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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-02-09 22:55:12 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-02-10 01:03:54 +0000 |
commit | 8a195ec810f3d4acddcbd6c2d753edf11d105798 (patch) | |
tree | a14d1e66dfde577325bd130f6c97e8ed7b654a2b /nptl/tst-sem3.c | |
parent | e9644c20ce4718ca99953cab0d306b7789303c8e (diff) | |
download | glibc-8a195ec810f3d4acddcbd6c2d753edf11d105798.tar.gz glibc-8a195ec810f3d4acddcbd6c2d753edf11d105798.tar.xz glibc-8a195ec810f3d4acddcbd6c2d753edf11d105798.zip |
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.c | 144 |
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" |