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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-09 22:55:12 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-10 01:03:54 +0000
commit8a195ec810f3d4acddcbd6c2d753edf11d105798 (patch)
treea14d1e66dfde577325bd130f6c97e8ed7b654a2b /nptl/tst-sem3.c
parente9644c20ce4718ca99953cab0d306b7789303c8e (diff)
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pthread: Move most sem tests from nptl to sysdeps/pthread
So they can be checked with htl too.
Diffstat (limited to 'nptl/tst-sem3.c')
-rw-r--r--nptl/tst-sem3.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/nptl/tst-sem3.c b/nptl/tst-sem3.c
deleted file mode 100644
index 6568840112..0000000000
--- a/nptl/tst-sem3.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- 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, see
- <https://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <semaphore.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/wait.h>
-
-
-int
-do_test (void)
-{
- size_t ps = sysconf (_SC_PAGESIZE);
- char tmpfname[] = "/tmp/tst-sem3.XXXXXX";
- char data[ps];
- void *mem;
- int fd;
- sem_t *s;
- pid_t pid;
- char *p;
-
- fd = mkstemp (tmpfname);
- if (fd == -1)
- {
- printf ("cannot open temporary file: %m\n");
- return 1;
- }
-
- /* Make sure it is always removed. */
- unlink (tmpfname);
-
- /* Create one page of data. */
- memset (data, '\0', ps);
-
- /* Write the data to the file. */
- if (write (fd, data, ps) != (ssize_t) ps)
- {
- puts ("short write");
- return 1;
- }
-
- mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (mem == MAP_FAILED)
- {
- printf ("mmap failed: %m\n");
- return 1;
- }
-
- s = (sem_t *) (((uintptr_t) mem + __alignof (sem_t))
- & ~(__alignof (sem_t) - 1));
- p = (char *) (s + 1);
-
- if (sem_init (s, 1, 1) == -1)
- {
- puts ("init failed");
- return 1;
- }
-
- if (TEMP_FAILURE_RETRY (sem_wait (s)) == -1)
- {
- puts ("1st wait failed");
- return 1;
- }
-
- errno = 0;
- if (TEMP_FAILURE_RETRY (sem_trywait (s)) != -1)
- {
- puts ("trywait succeeded");
- return 1;
- }
- else if (errno != EAGAIN)
- {
- puts ("trywait didn't return EAGAIN");
- return 1;
- }
-
- *p = 0;
-
- puts ("going to fork now");
- pid = fork ();
- if (pid == -1)
- {
- puts ("fork failed");
- return 1;
- }
- else if (pid == 0)
- {
- /* Play some lock ping-pong. It's our turn to unlock first. */
- if ((*p)++ != 0)
- {
- puts ("child: *p != 0");
- return 1;
- }
-
- if (sem_post (s) == -1)
- {
- puts ("child: 1st post failed");
- return 1;
- }
-
- puts ("child done");
- }
- else
- {
- if (TEMP_FAILURE_RETRY (sem_wait (s)) == -1)
- {
- printf ("parent: 2nd wait failed: %m\n");
- return 1;
- }
-
- if (*p != 1)
- {
- puts ("*p != 1");
- return 1;
- }
-
- puts ("parent done");
- }
-
- return 0;
-}
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"