# HG changeset patch

# User Michael Gerdts <[email protected]>

# Date 1412623353 25200

#      Mon Oct 06 12:22:33 2014 -0700

# Node ID 0293c398eda727bf812a867600a25b7831928db7

# Parent  b63f212d891d9cffbc8f4a0e2293532fe44aaa16

name threads to improve observability - developed by Oracle

Not submitted upstream: Uses feature first present in Solaris 12

diff -r b63f212d891d -r 0293c398eda7 yarn.c

--- a/yarn.c

+++ b/yarn.c

@@ -258,7 +258,12 @@

 /* not all POSIX implementations create threads as joinable by default, so that

    is made explicit here */

+#ifdef HAVE_PTHREAD_SETNAME_NP

+#undef launch

+thread *launch(const char *probename, void (*probe)(void *), void *payload)

+#else

 thread *launch(void (*probe)(void *), void *payload)

+#endif

 {

     int ret;

     thread *th;

@@ -284,7 +289,9 @@

         (ret = pthread_create(&(th->id), &attr, ignition, capsule)) ||

         (ret = pthread_attr_destroy(&attr)))

         fail(ret);

-

+#ifdef HAVE_PTHREAD_SETNAME_NP

+    (void)pthread_setname_np(th->id, probename);

+#endif

     /* put the thread in the threads list for join_all() */

     th->done = 0;

     th->next = threads;

diff -r b63f212d891d -r 0293c398eda7 yarn.h

--- a/yarn.h

+++ b/yarn.h

@@ -115,7 +115,12 @@

 void yarn_mem(void *(*)(size_t), void (*)(void *));

 typedef struct thread_s thread;

+#ifdef HAVE_PTHREAD_SETNAME_NP

+thread *launch(const char *, void (*)(void *), void *);

+#define launch(p, a) launch(#p, p, a)

+#else

 thread *launch(void (*)(void *), void *);

+#endif

 void join(thread *);

 int join_all(void);

 void destruct(thread *);