From c0e81195b7e1fc1db66b4c324ba0d356ef7a0032 Mon Sep 17 00:00:00 2001
From: "hp.com!davidm" <hp.com!davidm>
Date: Tue, 3 May 2005 09:13:17 +0000
Subject: [PATCH] (doit): Fail gracefully if we fail to create all NTHREADS
 threads.

(Logical change 1.290)
---
 tests/Gtest-concurrent.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/tests/Gtest-concurrent.c b/tests/Gtest-concurrent.c
index 638ad342..8fe2ef30 100644
--- a/tests/Gtest-concurrent.c
+++ b/tests/Gtest-concurrent.c
@@ -1,5 +1,5 @@
 /* libunwind - a platform-independent unwind library
-   Copyright (C) 2003-2004 Hewlett-Packard Co
+   Copyright (C) 2003-2005 Hewlett-Packard Co
 	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
 
 Permission is hereby granted, free of charge, to any person obtaining
@@ -84,7 +84,13 @@ doit (void)
   int i;
 
   for (i = 0; i < NTHREADS; ++i)
-    pthread_create (th + i, NULL, worker, NULL);
+    if (pthread_create (th + i, NULL, worker, NULL))
+      {
+	fprintf (stderr, "FAILURE: Failed to create %u threads "
+		 "(after %u threads)\n",
+		 NTHREADS, i);
+	exit (-1);
+      }
 
   for (i = 0; i < NTHREADS; ++i)
     pthread_join (th[i], NULL);
@@ -110,7 +116,10 @@ main (int argc, char **argv)
   unw_set_caching_policy (unw_local_addr_space, UNW_CACHE_PER_THREAD);
 
   if (nerrors)
-    fprintf (stderr, "FAILURE: detected %d errors\n", nerrors);
+    {
+      fprintf (stderr, "FAILURE: detected %d errors\n", nerrors);
+      exit (-1);
+    }
 
   if (verbose)
     printf ("SUCCESS\n");