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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;
+}