http://bugs.proftpd.org/show_bug.cgi?id=4162

--- a/modules/mod_xfer.c	2015-02-03 20:54:22.857151750 -0800

+++ b/modules/mod_xfer.c	2015-02-03 21:10:36.020000070 -0800

@@ -31,6 +31,9 @@

 #include "conf.h"

 #include "privs.h"

+#ifdef _SOLARIS_DTRACE

+#include "ftp_provider_impl.h"

+#endif

 #ifdef HAVE_SYS_SENDFILE_H

 # include <sys/sendfile.h>

@@ -1784,7 +1787,24 @@

      * be doing short writes, and we ideally should be more resilient/graceful

      * in the face of such things.

      */

+#ifdef _SOLARIS_DTRACE

+    if (ftp_transfer_start_enabled()) {

+      ftpproto_t proto;

+      FTP_TRANSFER_PROTO(&proto, stor_fh, 0);

+      ftp_transfer_start(&proto);

+    }

+#endif

+

     res = pr_fsio_write(stor_fh, lbuf, len);

+

+#ifdef _SOLARIS_DTRACE

+    if (ftp_transfer_done_enabled() && res == len) {

+      ftpproto_t proto;

+      FTP_TRANSFER_PROTO(&proto, stor_fh, res);

+      ftp_transfer_done(&proto);

+    }

+#endif

+

     if (res != len) {

       int xerrno = EIO;

       cmd->error_code = errno;

@@ -2203,7 +2223,24 @@

     if (XFER_ABORTED)

       break;

+#ifdef _SOLARIS_DTRACE

+    if (ftp_transfer_start_enabled()) {

+      ftpproto_t proto;

+      FTP_TRANSFER_PROTO(&proto, retr_fh, 0);

+      ftp_transfer_start(&proto);

+    }

+#endif

+

     len = transmit_data(nbytes_sent, &curr_pos, lbuf, bufsz);

+

+#ifdef _SOLARIS_DTRACE

+    if (ftp_transfer_done_enabled() && len > 0) {

+      ftpproto_t proto;

+      FTP_TRANSFER_PROTO(&proto, retr_fh, len);

+      ftp_transfer_done(&proto);

+    }

+#endif

+

     if (len == 0)

       break;