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authorUlrich Drepper <drepper@redhat.com>2003-05-31 19:58:46 +0000
committerUlrich Drepper <drepper@redhat.com>2003-05-31 19:58:46 +0000
commitdcfc8224315f0c38a595be5e208b7925596ac4cd (patch)
tree74f39e55132353edead4c12ae08cdb0e5044a7ed /nptl/tst-sem9.c
parent49b650430eb51350cc96adf7dd621560eb40af04 (diff)
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Update.
	* Makefile (tests): Add tst-sem8 and tst-sem9.
	* tst-sem8.c: New file.
	* tst-sem9.c: New file.
	* sem_open.c: Fix creation of in_use record if the file exists but
	no internal record.
Diffstat (limited to 'nptl/tst-sem9.c')
-rw-r--r--nptl/tst-sem9.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/nptl/tst-sem9.c b/nptl/tst-sem9.c
new file mode 100644
index 0000000000..2b35446b46
--- /dev/null
+++ b/nptl/tst-sem9.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <semaphore.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static void
+remove_sem (int status, void *arg)
+{
+  sem_unlink (arg);
+}
+
+
+int
+main (void)
+{
+  sem_t *s;
+  sem_t *s2;
+  sem_t *s3;
+  int i;
+
+  on_exit (remove_sem, (void *) "/glibc-tst-sem9");
+
+  for (i = 0; i < 3; ++i)
+    {
+      s = sem_open ("/glibc-tst-sem9", O_CREAT, 0600, 1);
+      if (s == SEM_FAILED)
+	{
+	  if (errno == ENOSYS)
+	    {
+	      puts ("sem_open not supported.  Oh well.");
+	      return 0;
+	    }
+
+	  /* Maybe the shm filesystem has strict permissions.  */
+	  if (errno == EACCES)
+	    {
+	      puts ("sem_open not allowed.  Oh well.");
+	      return 0;
+	    }
+
+	  printf ("sem_open: %m\n");
+	  return 1;
+	}
+
+      /* Now close the handle.  */
+      if (sem_close (s) != 0)
+	{
+	  puts ("sem_close failed");
+	  return 1;
+	}
+
+      /* And remove it.  */
+      if (sem_unlink ("/glibc-tst-sem9") != 0)
+	{
+	  puts ("sem_unlink failed");
+	  return 1;
+	}
+    }
+
+  return 0;
+}