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Diffstat (limited to 'nptl/tst-cond6.c')
| -rw-r--r-- | nptl/tst-cond6.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/nptl/tst-cond6.c b/nptl/tst-cond6.c deleted file mode 100644 index ebfd449ffb..0000000000 --- a/nptl/tst-cond6.c +++ /dev/null @@ -1,233 +0,0 @@ -/* Copyright (C) 2002-2017 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 <time.h> -#include <unistd.h> -#include <sys/mman.h> -#include <sys/time.h> -#include <sys/wait.h> - - -int *condition; - -static int -do_test (void) -{ - size_t ps = sysconf (_SC_PAGESIZE); - char tmpfname[] = "/tmp/tst-cond6.XXXXXX"; - char data[ps]; - void *mem; - int fd; - pthread_mutexattr_t ma; - pthread_mutex_t *mut1; - pthread_mutex_t *mut2; - pthread_condattr_t ca; - pthread_cond_t *cond; - pid_t pid; - int result = 0; - - fd = mkstemp (tmpfname); - if (fd == -1) - { - printf ("cannot open temporary file: %m\n"); - exit (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"); - exit (1); - } - - mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if (mem == MAP_FAILED) - { - printf ("mmap failed: %m\n"); - exit (1); - } - - mut1 = (pthread_mutex_t *) (((uintptr_t) mem - + __alignof (pthread_mutex_t)) - & ~(__alignof (pthread_mutex_t) - 1)); - mut2 = mut1 + 1; - - cond = (pthread_cond_t *) (((uintptr_t) (mut2 + 1) - + __alignof (pthread_cond_t)) - & ~(__alignof (pthread_cond_t) - 1)); - - condition = (int *) (((uintptr_t) (cond + 1) + __alignof (int)) - & ~(__alignof (int) - 1)); - - if (pthread_mutexattr_init (&ma) != 0) - { - puts ("mutexattr_init failed"); - exit (1); - } - - if (pthread_mutexattr_setpshared (&ma, PTHREAD_PROCESS_SHARED) != 0) - { - puts ("mutexattr_setpshared failed"); - exit (1); - } - - if (pthread_mutex_init (mut1, &ma) != 0) - { - puts ("1st mutex_init failed"); - exit (1); - } - - if (pthread_mutex_init (mut2, &ma) != 0) - { - puts ("2nd mutex_init failed"); - exit (1); - } - - if (pthread_condattr_init (&ca) != 0) - { - puts ("condattr_init failed"); - exit (1); - } - - if (pthread_condattr_setpshared (&ca, PTHREAD_PROCESS_SHARED) != 0) - { - puts ("condattr_setpshared failed"); - exit (1); - } - - if (pthread_cond_init (cond, &ca) != 0) - { - puts ("cond_init failed"); - exit (1); - } - - if (pthread_mutex_lock (mut1) != 0) - { - puts ("parent: 1st mutex_lock failed"); - exit (1); - } - - puts ("going to fork now"); - pid = fork (); - if (pid == -1) - { - puts ("fork failed"); - exit (1); - } - else if (pid == 0) - { - struct timespec ts; - struct timeval tv; - - if (pthread_mutex_lock (mut2) != 0) - { - puts ("child: mutex_lock failed"); - exit (1); - } - - if (pthread_mutex_unlock (mut1) != 0) - { - puts ("child: 1st mutex_unlock failed"); - exit (1); - } - - if (gettimeofday (&tv, NULL) != 0) - { - puts ("gettimeofday failed"); - exit (1); - } - - TIMEVAL_TO_TIMESPEC (&tv, &ts); - ts.tv_nsec += 500000000; - if (ts.tv_nsec >= 1000000000) - { - ts.tv_nsec -= 1000000000; - ++ts.tv_sec; - } - - do - if (pthread_cond_timedwait (cond, mut2, &ts) != 0) - { - puts ("child: cond_wait failed"); - exit (1); - } - while (*condition == 0); - - if (pthread_mutex_unlock (mut2) != 0) - { - puts ("child: 2nd mutex_unlock failed"); - exit (1); - } - - puts ("child done"); - } - else - { - int status; - - if (pthread_mutex_lock (mut1) != 0) - { - puts ("parent: 2nd mutex_lock failed"); - exit (1); - } - - if (pthread_mutex_lock (mut2) != 0) - { - puts ("parent: 3rd mutex_lock failed"); - exit (1); - } - - if (pthread_cond_signal (cond) != 0) - { - puts ("parent: cond_signal failed"); - exit (1); - } - - *condition = 1; - - if (pthread_mutex_unlock (mut2) != 0) - { - puts ("parent: mutex_unlock failed"); - exit (1); - } - - puts ("waiting for child"); - - waitpid (pid, &status, 0); - result |= status; - - puts ("parent done"); - } - - return result; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |