author | Enrico Perla <enrico.perla@oracle.com> |
Fri, 04 Nov 2016 05:32:50 -0700 | |
changeset 7245 | 934578b959f0 |
parent 5331 | 9c955076ffe3 |
permissions | -rw-r--r-- |
5331
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1 |
From 3facf7ecebdf10fbd48a87aabd688082c567b78c Mon Sep 17 00:00:00 2001 |
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From: David Crawshaw <[email protected]> |
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Date: Wed, 4 Nov 2015 11:21:55 -0500 |
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Subject: [PATCH 60/63] [release-branch.go1.5] misc/ios: keep whole buffer in |
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go_darwin_arm_exec |
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|
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The existing go_darwin_arm_exec.go script does not work with Xcode 7, |
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8 |
not due to any significant changes, but just ordering and timing of |
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9 |
statements from lldb. Unfortunately the current design of |
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10 |
go_darwin_arm_exec.go makes it not obvious what gets stuck where, so |
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11 |
this moves from a moving buffer window to a complete buffer of the |
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12 |
lldb output. |
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|
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14 |
The result is easier code to follow, and it works with Xcode 7. |
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15 |
|
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16 |
Updates #12660. |
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|
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Change-Id: I3b8b890b0bf4474119482e95d84e821a86d1eaed |
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19 |
Reviewed-on: https://go-review.googlesource.com/16634 |
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20 |
Reviewed-by: Michael Matloob <[email protected]> |
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21 |
Reviewed-on: https://go-review.googlesource.com/17146 |
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22 |
--- |
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misc/ios/go_darwin_arm_exec.go | 366 +++++++++++++++++------------------------ |
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24 |
1 file changed, 149 insertions(+), 217 deletions(-) |
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25 |
|
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diff --git a/misc/ios/go_darwin_arm_exec.go b/misc/ios/go_darwin_arm_exec.go |
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27 |
index debd2cd..3131b15 100644 |
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--- a/misc/ios/go_darwin_arm_exec.go |
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+++ b/misc/ios/go_darwin_arm_exec.go |
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@@ -160,9 +160,6 @@ func run(bin string, args []string) (err error) { |
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31 |
} |
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32 |
defer os.Chdir(oldwd) |
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33 |
|
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34 |
- type waitPanic struct { |
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- err error |
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36 |
- } |
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37 |
defer func() { |
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38 |
if r := recover(); r != nil { |
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if w, ok := r.(waitPanic); ok { |
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@@ -174,14 +171,96 @@ func run(bin string, args []string) (err error) { |
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}() |
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42 |
|
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43 |
defer exec.Command("killall", "ios-deploy").Run() // cleanup |
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44 |
- |
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45 |
exec.Command("killall", "ios-deploy").Run() |
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46 |
|
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47 |
var opts options |
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48 |
opts, args = parseArgs(args) |
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49 |
|
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50 |
// ios-deploy invokes lldb to give us a shell session with the app. |
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51 |
- cmd = exec.Command( |
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52 |
+ s, err := newSession(appdir, args, opts) |
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+ if err != nil { |
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+ return err |
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55 |
+ } |
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56 |
+ defer func() { |
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57 |
+ b := s.out.Bytes() |
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58 |
+ if err == nil && !debug { |
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59 |
+ i := bytes.Index(b, []byte("(lldb) process continue")) |
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+ if i > 0 { |
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61 |
+ b = b[i:] |
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62 |
+ } |
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63 |
+ } |
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64 |
+ os.Stdout.Write(b) |
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+ }() |
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66 |
+ |
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67 |
+ // Script LLDB. Oh dear. |
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68 |
+ s.do(`process handle SIGHUP --stop false --pass true --notify false`) |
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69 |
+ s.do(`process handle SIGPIPE --stop false --pass true --notify false`) |
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70 |
+ s.do(`process handle SIGUSR1 --stop false --pass true --notify false`) |
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+ s.do(`process handle SIGSEGV --stop false --pass true --notify false`) // does not work |
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72 |
+ s.do(`process handle SIGBUS --stop false --pass true --notify false`) // does not work |
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73 |
+ |
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74 |
+ if opts.lldb { |
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75 |
+ _, err := io.Copy(s.in, os.Stdin) |
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76 |
+ if err != io.EOF { |
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77 |
+ return err |
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78 |
+ } |
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79 |
+ return nil |
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80 |
+ } |
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81 |
+ |
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82 |
+ s.do(`breakpoint set -n getwd`) // in runtime/cgo/gcc_darwin_arm.go |
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83 |
+ |
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84 |
+ s.doCmd("run", "stop reason = breakpoint", 20*time.Second) |
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85 |
+ |
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86 |
+ // Move the current working directory into the faux gopath. |
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87 |
+ if pkgpath != "src" { |
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88 |
+ s.do(`breakpoint delete 1`) |
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89 |
+ s.do(`expr char* $mem = (char*)malloc(512)`) |
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90 |
+ s.do(`expr $mem = (char*)getwd($mem, 512)`) |
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91 |
+ s.do(`expr $mem = (char*)strcat($mem, "/` + pkgpath + `")`) |
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92 |
+ s.do(`call (void)chdir($mem)`) |
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93 |
+ } |
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94 |
+ |
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95 |
+ startTestsLen := s.out.Len() |
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96 |
+ fmt.Fprintln(s.in, `process continue`) |
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97 |
+ |
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98 |
+ passed := func(out *buf) bool { |
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99 |
+ // Just to make things fun, lldb sometimes translates \n into \r\n. |
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100 |
+ return s.out.LastIndex([]byte("\nPASS\n")) > startTestsLen || |
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101 |
+ s.out.LastIndex([]byte("\nPASS\r")) > startTestsLen || |
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102 |
+ s.out.LastIndex([]byte("\n(lldb) PASS\n")) > startTestsLen || |
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103 |
+ s.out.LastIndex([]byte("\n(lldb) PASS\r")) > startTestsLen |
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104 |
+ } |
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105 |
+ err = s.wait("test completion", passed, opts.timeout) |
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106 |
+ if passed(s.out) { |
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107 |
+ // The returned lldb error code is usually non-zero. |
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108 |
+ // We check for test success by scanning for the final |
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109 |
+ // PASS returned by the test harness, assuming the worst |
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110 |
+ // in its absence. |
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111 |
+ return nil |
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112 |
+ } |
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113 |
+ return err |
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114 |
+} |
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|
115 |
+ |
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116 |
+type lldbSession struct { |
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117 |
+ cmd *exec.Cmd |
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118 |
+ in *os.File |
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119 |
+ out *buf |
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120 |
+ timedout chan struct{} |
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121 |
+ exited chan error |
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122 |
+} |
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123 |
+ |
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124 |
+func newSession(appdir string, args []string, opts options) (*lldbSession, error) { |
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125 |
+ lldbr, in, err := os.Pipe() |
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126 |
+ if err != nil { |
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127 |
+ return nil, err |
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128 |
+ } |
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129 |
+ s := &lldbSession{ |
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130 |
+ in: in, |
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131 |
+ out: new(buf), |
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132 |
+ exited: make(chan error), |
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133 |
+ } |
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134 |
+ |
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135 |
+ s.cmd = exec.Command( |
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|
136 |
// lldb tries to be clever with terminals. |
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|
137 |
// So we wrap it in script(1) and be clever |
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|
138 |
// right back at it. |
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139 |
@@ -198,267 +277,120 @@ func run(bin string, args []string) (err error) { |
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|
140 |
"--bundle", appdir, |
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|
141 |
) |
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|
142 |
if debug { |
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|
143 |
- log.Println(strings.Join(cmd.Args, " ")) |
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|
144 |
+ log.Println(strings.Join(s.cmd.Args, " ")) |
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|
145 |
} |
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|
146 |
|
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|
147 |
- lldbr, lldb, err := os.Pipe() |
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|
148 |
- if err != nil { |
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|
149 |
- return err |
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|
150 |
- } |
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|
151 |
- w := new(bufWriter) |
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|
152 |
+ var out io.Writer = s.out |
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|
153 |
if opts.lldb { |
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|
154 |
- mw := io.MultiWriter(w, os.Stderr) |
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|
155 |
- cmd.Stdout = mw |
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|
156 |
- cmd.Stderr = mw |
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|
157 |
- } else { |
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|
158 |
- cmd.Stdout = w |
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|
159 |
- cmd.Stderr = w // everything of interest is on stderr |
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|
160 |
+ out = io.MultiWriter(out, os.Stderr) |
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|
161 |
} |
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|
162 |
- cmd.Stdin = lldbr |
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|
163 |
+ s.cmd.Stdout = out |
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|
164 |
+ s.cmd.Stderr = out // everything of interest is on stderr |
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|
165 |
+ s.cmd.Stdin = lldbr |
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|
166 |
|
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changeset
|
167 |
- if err := cmd.Start(); err != nil { |
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Shawn Walker-Salas <shawn.walker@oracle.com>
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|
168 |
- return fmt.Errorf("ios-deploy failed to start: %v", err) |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
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changeset
|
169 |
+ if err := s.cmd.Start(); err != nil { |
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Shawn Walker-Salas <shawn.walker@oracle.com>
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|
170 |
+ return nil, fmt.Errorf("ios-deploy failed to start: %v", err) |
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changeset
|
171 |
} |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
172 |
|
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
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changeset
|
173 |
// Manage the -test.timeout here, outside of the test. There is a lot |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
174 |
// of moving parts in an iOS test harness (notably lldb) that can |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
175 |
// swallow useful stdio or cause its own ruckus. |
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parents:
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changeset
|
176 |
- var timedout chan struct{} |
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diff
changeset
|
177 |
if opts.timeout > 1*time.Second { |
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changeset
|
178 |
- timedout = make(chan struct{}) |
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changeset
|
179 |
+ s.timedout = make(chan struct{}) |
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Shawn Walker-Salas <shawn.walker@oracle.com>
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|
180 |
time.AfterFunc(opts.timeout-1*time.Second, func() { |
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changeset
|
181 |
- close(timedout) |
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changeset
|
182 |
+ close(s.timedout) |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
183 |
}) |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
184 |
} |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
185 |
|
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parents:
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changeset
|
186 |
- exited := make(chan error) |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
187 |
go func() { |
9c955076ffe3
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parents:
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changeset
|
188 |
- exited <- cmd.Wait() |
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changeset
|
189 |
+ s.exited <- s.cmd.Wait() |
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changeset
|
190 |
}() |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
191 |
|
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
192 |
- waitFor := func(stage, str string, timeout time.Duration) error { |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
193 |
- select { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
194 |
- case <-timedout: |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
195 |
- w.printBuf() |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
196 |
- if p := cmd.Process; p != nil { |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
197 |
- p.Kill() |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
198 |
- } |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
199 |
- return fmt.Errorf("timeout (stage %s)", stage) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
200 |
- case err := <-exited: |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
201 |
- w.printBuf() |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
202 |
- return fmt.Errorf("failed (stage %s): %v", stage, err) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
203 |
- case i := <-w.find(str, timeout): |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
204 |
- if i < 0 { |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
205 |
- log.Printf("timed out on stage %q, retrying", stage) |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
206 |
- return errRetry |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
207 |
- } |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
208 |
- w.clearTo(i + len(str)) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
209 |
- return nil |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
210 |
- } |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
211 |
+ cond := func(out *buf) bool { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
212 |
+ i0 := s.out.LastIndex([]byte("(lldb)")) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
213 |
+ i1 := s.out.LastIndex([]byte("fruitstrap")) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
214 |
+ i2 := s.out.LastIndex([]byte(" connect")) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
215 |
+ return i0 > 0 && i1 > 0 && i2 > 0 |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
216 |
} |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
217 |
- do := func(cmd string) { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
218 |
- fmt.Fprintln(lldb, cmd) |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
219 |
- if err := waitFor(fmt.Sprintf("prompt after %q", cmd), "(lldb)", 0); err != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
220 |
- panic(waitPanic{err}) |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
221 |
- } |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
222 |
+ if err := s.wait("lldb start", cond, 5*time.Second); err != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
223 |
+ fmt.Printf("lldb start error: %v\n", err) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
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parents:
diff
changeset
|
224 |
+ return nil, errRetry |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
225 |
} |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
226 |
+ return s, nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
227 |
+} |
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changeset
|
228 |
|
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|
229 |
- // Wait for installation and connection. |
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|
230 |
- if err := waitFor("ios-deploy before run", "(lldb)", 0); err != nil { |
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parents:
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|
231 |
- // Retry if we see a rare and longstanding ios-deploy bug. |
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|
232 |
- // https://github.com/phonegap/ios-deploy/issues/11 |
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|
233 |
- // Assertion failed: (AMDeviceStartService(device, CFSTR("com.apple.debugserver"), &gdbfd, NULL) == 0) |
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|
234 |
- log.Printf("%v, retrying", err) |
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|
235 |
- return errRetry |
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|
236 |
- } |
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|
237 |
+func (s *lldbSession) do(cmd string) { s.doCmd(cmd, "(lldb)", 0) } |
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|
238 |
|
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changeset
|
239 |
- // Script LLDB. Oh dear. |
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|
240 |
- do(`process handle SIGHUP --stop false --pass true --notify false`) |
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parents:
diff
changeset
|
241 |
- do(`process handle SIGPIPE --stop false --pass true --notify false`) |
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parents:
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changeset
|
242 |
- do(`process handle SIGUSR1 --stop false --pass true --notify false`) |
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parents:
diff
changeset
|
243 |
- do(`process handle SIGSEGV --stop false --pass true --notify false`) // does not work |
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parents:
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|
244 |
- do(`process handle SIGBUS --stop false --pass true --notify false`) // does not work |
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|
245 |
- |
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changeset
|
246 |
- if opts.lldb { |
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|
247 |
- _, err := io.Copy(lldb, os.Stdin) |
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changeset
|
248 |
- if err != io.EOF { |
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|
249 |
- return err |
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changeset
|
250 |
- } |
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changeset
|
251 |
- return nil |
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|
252 |
+func (s *lldbSession) doCmd(cmd string, waitFor string, extraTimeout time.Duration) { |
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changeset
|
253 |
+ startLen := s.out.Len() |
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parents:
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changeset
|
254 |
+ fmt.Fprintln(s.in, cmd) |
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parents:
diff
changeset
|
255 |
+ cond := func(out *buf) bool { |
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parents:
diff
changeset
|
256 |
+ i := s.out.LastIndex([]byte(waitFor)) |
9c955076ffe3
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parents:
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changeset
|
257 |
+ return i > startLen |
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changeset
|
258 |
} |
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parents:
diff
changeset
|
259 |
- |
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
260 |
- do(`breakpoint set -n getwd`) // in runtime/cgo/gcc_darwin_arm.go |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
261 |
- |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
262 |
- fmt.Fprintln(lldb, `run`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
263 |
- if err := waitFor("br getwd", "stop reason = breakpoint", 20*time.Second); err != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
264 |
- // At this point we see several flaky errors from the iOS |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
265 |
- // build infrastructure. The most common is never reaching |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
266 |
- // the breakpoint, which we catch with a timeout. Very |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
267 |
- // occasionally lldb can produce errors like: |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
268 |
- // |
9c955076ffe3
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parents:
diff
changeset
|
269 |
- // Breakpoint 1: no locations (pending). |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
270 |
- // WARNING: Unable to resolve breakpoint to any actual locations. |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
271 |
- // |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
272 |
- // As no actual test code has been executed by this point, |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
273 |
- // we treat all errors as recoverable. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
274 |
- if err != errRetry { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
275 |
- log.Printf("%v, retrying", err) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
276 |
- err = errRetry |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
277 |
- } |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
278 |
- return err |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
279 |
- } |
9c955076ffe3
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Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
280 |
- if err := waitFor("br getwd prompt", "(lldb)", 0); err != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
281 |
- return err |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
282 |
+ if err := s.wait(fmt.Sprintf("running cmd %q", cmd), cond, extraTimeout); err != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
283 |
+ panic(waitPanic{err}) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
284 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
285 |
+} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
286 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
287 |
- // Move the current working directory into the faux gopath. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
288 |
- if pkgpath != "src" { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
289 |
- do(`breakpoint delete 1`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
290 |
- do(`expr char* $mem = (char*)malloc(512)`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
291 |
- do(`expr $mem = (char*)getwd($mem, 512)`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
292 |
- do(`expr $mem = (char*)strcat($mem, "/` + pkgpath + `")`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
293 |
- do(`call (void)chdir($mem)`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
294 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
295 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
296 |
- // Run the tests. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
297 |
- w.trimSuffix("(lldb) ") |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
298 |
- fmt.Fprintln(lldb, `process continue`) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
299 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
300 |
- // Wait for the test to complete. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
301 |
- select { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
302 |
- case <-timedout: |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
303 |
- w.printBuf() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
304 |
- if p := cmd.Process; p != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
305 |
- p.Kill() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
306 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
307 |
- return errors.New("timeout running tests") |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
308 |
- case <-w.find("\nPASS", 0): |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
309 |
- passed := w.isPass() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
310 |
- w.printBuf() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
311 |
- if passed { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
312 |
- return nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
313 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
314 |
- return errors.New("test failure") |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
315 |
- case err := <-exited: |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
316 |
- // The returned lldb error code is usually non-zero. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
317 |
- // We check for test success by scanning for the final |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
318 |
- // PASS returned by the test harness, assuming the worst |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
319 |
- // in its absence. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
320 |
- if w.isPass() { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
321 |
- err = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
322 |
- } else if err == nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
323 |
- err = errors.New("test failure") |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
324 |
+func (s *lldbSession) wait(reason string, cond func(out *buf) bool, extraTimeout time.Duration) error { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
325 |
+ doTimeout := 1*time.Second + extraTimeout |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
326 |
+ doTimedout := time.After(doTimeout) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
327 |
+ for { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
328 |
+ select { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
329 |
+ case <-s.timedout: |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
330 |
+ if p := s.cmd.Process; p != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
331 |
+ p.Kill() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
332 |
+ } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
333 |
+ return fmt.Errorf("test timeout (%s)", reason) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
334 |
+ case <-doTimedout: |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
335 |
+ return fmt.Errorf("command timeout (%s for %v)", reason, doTimeout) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
336 |
+ case err := <-s.exited: |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
337 |
+ return fmt.Errorf("exited (%s: %v)", reason, err) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
338 |
+ default: |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
339 |
+ if cond(s.out) { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
340 |
+ return nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
341 |
+ } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
342 |
+ time.Sleep(20 * time.Millisecond) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
343 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
344 |
- w.printBuf() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
345 |
- return err |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
346 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
347 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
348 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
349 |
-type bufWriter struct { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
350 |
- mu sync.Mutex |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
351 |
- buf []byte |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
352 |
- suffix []byte // remove from each Write |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
353 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
354 |
- findTxt []byte // search buffer on each Write |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
355 |
- findCh chan int // report find position |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
356 |
- findAfter *time.Timer |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
357 |
+type buf struct { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
358 |
+ mu sync.Mutex |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
359 |
+ buf []byte |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
360 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
361 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
362 |
-func (w *bufWriter) Write(in []byte) (n int, err error) { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
363 |
+func (w *buf) Write(in []byte) (n int, err error) { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
364 |
w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
365 |
defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
366 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
367 |
- n = len(in) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
368 |
- in = bytes.TrimSuffix(in, w.suffix) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
369 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
370 |
- if debug { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
371 |
- inTxt := strings.Replace(string(in), "\n", "\\n", -1) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
372 |
- findTxt := strings.Replace(string(w.findTxt), "\n", "\\n", -1) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
373 |
- fmt.Printf("debug --> %s <-- debug (findTxt='%s')\n", inTxt, findTxt) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
374 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
375 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
376 |
w.buf = append(w.buf, in...) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
377 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
378 |
- if len(w.findTxt) > 0 { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
379 |
- if i := bytes.Index(w.buf, w.findTxt); i >= 0 { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
380 |
- w.findCh <- i |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
381 |
- close(w.findCh) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
382 |
- w.findTxt = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
383 |
- w.findCh = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
384 |
- if w.findAfter != nil { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
385 |
- w.findAfter.Stop() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
386 |
- w.findAfter = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
387 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
388 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
389 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
390 |
- return n, nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
391 |
+ return len(in), nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
392 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
393 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
394 |
-func (w *bufWriter) trimSuffix(p string) { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
395 |
+func (w *buf) LastIndex(sep []byte) int { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
396 |
w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
397 |
defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
398 |
- w.suffix = []byte(p) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
399 |
+ return bytes.LastIndex(w.buf, sep) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
400 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
401 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
402 |
-func (w *bufWriter) printBuf() { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
403 |
+func (w *buf) Bytes() []byte { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
404 |
w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
405 |
defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
406 |
- fmt.Fprintf(os.Stderr, "%s", w.buf) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
407 |
- w.buf = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
408 |
-} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
409 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
410 |
-func (w *bufWriter) clearTo(i int) { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
411 |
- w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
412 |
- defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
413 |
- w.buf = w.buf[i:] |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
414 |
+ b := make([]byte, len(w.buf)) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
415 |
+ copy(b, w.buf) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
416 |
+ return b |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
417 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
418 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
419 |
-// find returns a channel that will have exactly one byte index sent |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
420 |
-// to it when the text str appears in the buffer. If the text does not |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
421 |
-// appear before timeout, -1 is sent. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
422 |
-// |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
423 |
-// A timeout of zero means no timeout. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
424 |
-func (w *bufWriter) find(str string, timeout time.Duration) <-chan int { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
425 |
+func (w *buf) Len() int { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
426 |
w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
427 |
defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
428 |
- if len(w.findTxt) > 0 { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
429 |
- panic(fmt.Sprintf("find(%s): already trying to find %s", str, w.findTxt)) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
430 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
431 |
- txt := []byte(str) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
432 |
- ch := make(chan int, 1) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
433 |
- if i := bytes.Index(w.buf, txt); i >= 0 { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
434 |
- ch <- i |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
435 |
- close(ch) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
436 |
- } else { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
437 |
- w.findTxt = txt |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
438 |
- w.findCh = ch |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
439 |
- if timeout > 0 { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
440 |
- w.findAfter = time.AfterFunc(timeout, func() { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
441 |
- w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
442 |
- defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
443 |
- if w.findCh == ch { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
444 |
- w.findTxt = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
445 |
- w.findCh = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
446 |
- w.findAfter = nil |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
447 |
- ch <- -1 |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
448 |
- close(ch) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
449 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
450 |
- }) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
451 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
452 |
- } |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
453 |
- return ch |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
454 |
+ return len(w.buf) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
455 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
456 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
457 |
-func (w *bufWriter) isPass() bool { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
458 |
- w.mu.Lock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
459 |
- defer w.mu.Unlock() |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
460 |
- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
461 |
- // The final stdio of lldb is non-deterministic, so we |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
462 |
- // scan the whole buffer. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
463 |
- // |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
464 |
- // Just to make things fun, lldb sometimes translates \n |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
465 |
- // into \r\n. |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
466 |
- return bytes.Contains(w.buf, []byte("\nPASS\n")) || bytes.Contains(w.buf, []byte("\nPASS\r")) |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
467 |
+type waitPanic struct { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
468 |
+ err error |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
469 |
} |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
470 |
|
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
471 |
type options struct { |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
472 |
-- |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
473 |
2.6.1 |
9c955076ffe3
PSARC/2015/203 Google Go version 1.5
Shawn Walker-Salas <shawn.walker@oracle.com>
parents:
diff
changeset
|
474 |