1 files changed, 34 insertions, 2 deletions
diff --git a/gdb/testsuite/gdb.mi/pthreads.c b/gdb/testsuite/gdb.mi/pthreads.c
index 1ba5a15f9fd..0d8f1b616fc 100644
--- a/gdb/testsuite/gdb.mi/pthreads.c
+++ b/gdb/testsuite/gdb.mi/pthreads.c
@@ -1,3 +1,28 @@
+/* Pthreads test program.
+   Copyright 1996, 2002, 2003, 2004
+   Free Software Foundation, Inc.
+
+   Written by Keith Seitz of Red Hat.
+   Copied from gdb.threads/pthreads.c.
+   Contributed by Red Hat.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
 #include <stdio.h>
 #include <pthread.h>
 
@@ -17,7 +42,14 @@ static pthread_attr_t null_attr;
 void *
 routine (void *arg)
 {
-  sleep (9);
+  /* When gdb is running, it sets hidden breakpoints in the thread
+     library.  The signals caused by these hidden breakpoints can
+     cause system calls such as 'sleep' to return early.  Pay attention
+     to the return value from 'sleep' to get the full sleep.  */
+  int unslept = 9;
+  while (unslept > 0)
+    unslept = sleep (unslept);
+
   printf ("hello thread\n");
 }
 
@@ -26,7 +58,7 @@ void
 done_making_threads (void)
 {
   /* Nothing */
-};
+}
 
 void
 create_thread (void)