diff options
Diffstat (limited to 'test/nptl/tst-rwlock4.c')
| -rw-r--r-- | test/nptl/tst-rwlock4.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/test/nptl/tst-rwlock4.c b/test/nptl/tst-rwlock4.c deleted file mode 100644 index 0bbf083e7..000000000 --- a/test/nptl/tst-rwlock4.c +++ /dev/null @@ -1,189 +0,0 @@ -/* Copyright (C) 2002, 2003, 2004 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <sys/mman.h> -#include <sys/wait.h> - - -static int -do_test (void) -{ - size_t ps = sysconf (_SC_PAGESIZE); - char tmpfname[] = "/tmp/tst-rwlock4.XXXXXX"; - char data[ps]; - void *mem; - int fd; - pthread_rwlock_t *r; - pthread_rwlockattr_t a; - pid_t pid; - char *p; - int err; - int s; - - 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; - } - - r = (pthread_rwlock_t *) (((uintptr_t) mem + __alignof (pthread_rwlock_t)) - & ~(__alignof (pthread_rwlock_t) - 1)); - p = (char *) (r + 1); - - if (pthread_rwlockattr_init (&a) != 0) - { - puts ("rwlockattr_init failed"); - return 1; - } - - if (pthread_rwlockattr_getpshared (&a, &s) != 0) - { - puts ("1st rwlockattr_getpshared failed"); - return 1; - } - - if (s != PTHREAD_PROCESS_PRIVATE) - { - puts ("default pshared value wrong"); - return 1; - } - - if (pthread_rwlockattr_setpshared (&a, PTHREAD_PROCESS_SHARED) != 0) - { - puts ("rwlockattr_setpshared failed"); - return 1; - } - - if (pthread_rwlockattr_getpshared (&a, &s) != 0) - { - puts ("2nd rwlockattr_getpshared failed"); - return 1; - } - - if (s != PTHREAD_PROCESS_SHARED) - { - puts ("pshared value after setpshared call wrong"); - return 1; - } - - if (pthread_rwlock_init (r, &a) != 0) - { - puts ("rwlock_init failed"); - return 1; - } - - if (pthread_rwlock_rdlock (r) != 0) - { - puts ("rwlock_rdlock failed"); - return 1; - } - - if (pthread_rwlockattr_destroy (&a) != 0) - { - puts ("rwlockattr_destroy failed"); - return 1; - } - - err = pthread_rwlock_trywrlock (r); - if (err == 0) - { - puts ("rwlock_trywrlock succeeded"); - return 1; - } - else if (err != EBUSY) - { - puts ("rwlock_trywrlock didn't return EBUSY"); - 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 (pthread_rwlock_unlock (r) != 0) - { - puts ("child: 1st rwlock_unlock failed"); - return 1; - } - - puts ("child done"); - } - else - { - if (pthread_rwlock_wrlock (r) != 0) - { - puts ("parent: rwlock_wrlock failed"); - return 1; - } - - if (*p != 1) - { - puts ("*p != 1"); - return 1; - } - - puts ("parent done"); - } - - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |