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Diffstat (limited to 'nptl/tst-barrier2.c')
| -rw-r--r-- | nptl/tst-barrier2.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/nptl/tst-barrier2.c b/nptl/tst-barrier2.c deleted file mode 100644 index d55f704d78..0000000000 --- a/nptl/tst-barrier2.c +++ /dev/null @@ -1,185 +0,0 @@ -/* Tests process-shared barriers. - 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 <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-barrier2.XXXXXX"; - char data[ps]; - void *mem; - int fd; - pthread_barrier_t *b; - pthread_barrierattr_t a; - pid_t pid; - int serials = 0; - int cnt; - int status; - int 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; - } - - b = (pthread_barrier_t *) (((uintptr_t) mem + __alignof (pthread_barrier_t)) - & ~(__alignof (pthread_barrier_t) - 1)); - - if (pthread_barrierattr_init (&a) != 0) - { - puts ("barrierattr_init failed"); - return 1; - } - - if (pthread_barrierattr_getpshared (&a, &p) != 0) - { - puts ("1st barrierattr_getpshared failed"); - return 1; - } - - if (p != PTHREAD_PROCESS_PRIVATE) - { - puts ("default pshared value wrong"); - return 1; - } - - if (pthread_barrierattr_setpshared (&a, PTHREAD_PROCESS_SHARED) != 0) - { - puts ("barrierattr_setpshared failed"); - return 1; - } - - if (pthread_barrierattr_getpshared (&a, &p) != 0) - { - puts ("2nd barrierattr_getpshared failed"); - return 1; - } - - if (p != PTHREAD_PROCESS_SHARED) - { - puts ("pshared value after setpshared call wrong"); - return 1; - } - - if (pthread_barrier_init (b, &a, 2) != 0) - { - puts ("barrier_init failed"); - return 1; - } - - if (pthread_barrierattr_destroy (&a) != 0) - { - puts ("barrierattr_destroy failed"); - return 1; - } - - puts ("going to fork now"); - pid = fork (); - if (pid == -1) - { - puts ("fork failed"); - return 1; - } - - /* Just to be sure we don't hang forever. */ - alarm (4); - -#define N 30 - for (cnt = 0; cnt < N; ++cnt) - { - int e; - - e = pthread_barrier_wait (b); - if (e == PTHREAD_BARRIER_SERIAL_THREAD) - ++serials; - else if (e != 0) - { - printf ("%s: barrier_wait returned value %d != 0 and PTHREAD_BARRIER_SERIAL_THREAD\n", - pid == 0 ? "child" : "parent", e); - return 1; - } - } - - alarm (0); - - printf ("%s: was %d times the serial thread\n", - pid == 0 ? "child" : "parent", serials); - - if (pid == 0) - /* The child. Pass the number of times we had the serializing - thread back to the parent. */ - exit (serials); - - if (waitpid (pid, &status, 0) != pid) - { - puts ("waitpid failed"); - return 1; - } - - if (!WIFEXITED (status)) - { - puts ("child exited abnormally"); - return 1; - } - - if (WEXITSTATUS (status) + serials != N) - { - printf ("total number of serials is %d, expected %d\n", - WEXITSTATUS (status) + serials, N); - return 1; - } - - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |