Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/nptl/tst-cancel18.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
173 lines (138 sloc)
3.53 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Copyright (C) 2003-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
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 <stdio.h> | |
#include <stdlib.h> | |
#include <time.h> | |
#include <unistd.h> | |
static pthread_barrier_t b; | |
/* Cleanup handling test. */ | |
static int cl_called; | |
static void | |
cl (void *arg) | |
{ | |
++cl_called; | |
} | |
static void * | |
tf (void *arg) | |
{ | |
int r = pthread_barrier_wait (&b); | |
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("barrier_wait failed"); | |
exit (1); | |
} | |
pthread_cleanup_push (cl, NULL); | |
struct timespec ts = { .tv_sec = arg == NULL ? 10000000 : 0, .tv_nsec = 0 }; | |
TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts)); | |
pthread_cleanup_pop (0); | |
puts ("clock_nanosleep returned"); | |
exit (1); | |
} | |
static int | |
do_test (void) | |
{ | |
if (pthread_barrier_init (&b, NULL, 2) != 0) | |
{ | |
puts ("barrier_init failed"); | |
return 1; | |
} | |
pthread_t th; | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("1st create failed"); | |
return 1; | |
} | |
int r = pthread_barrier_wait (&b); | |
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("barrier_wait failed"); | |
exit (1); | |
} | |
struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 }; | |
while (nanosleep (&ts, &ts) != 0) | |
continue; | |
puts ("going to cancel in-time"); | |
if (pthread_cancel (th) != 0) | |
{ | |
puts ("1st cancel failed"); | |
return 1; | |
} | |
void *status; | |
if (pthread_join (th, &status) != 0) | |
{ | |
puts ("1st join failed"); | |
return 1; | |
} | |
if (status != PTHREAD_CANCELED) | |
{ | |
puts ("1st thread not canceled"); | |
return 1; | |
} | |
if (cl_called == 0) | |
{ | |
puts ("cleanup handler not called"); | |
return 1; | |
} | |
if (cl_called > 1) | |
{ | |
puts ("cleanup handler called more than once"); | |
return 1; | |
} | |
puts ("in-time cancellation succeeded"); | |
cl_called = 0; | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("2nd create failed"); | |
return 1; | |
} | |
puts ("going to cancel early"); | |
if (pthread_cancel (th) != 0) | |
{ | |
puts ("2nd cancel failed"); | |
return 1; | |
} | |
r = pthread_barrier_wait (&b); | |
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("barrier_wait failed"); | |
exit (1); | |
} | |
if (pthread_join (th, &status) != 0) | |
{ | |
puts ("2nd join failed"); | |
return 1; | |
} | |
if (status != PTHREAD_CANCELED) | |
{ | |
puts ("2nd thread not canceled"); | |
return 1; | |
} | |
if (cl_called == 0) | |
{ | |
printf ("cleanup handler not called\n"); | |
return 1; | |
} | |
if (cl_called > 1) | |
{ | |
printf ("cleanup handler called more than once\n"); | |
return 1; | |
} | |
puts ("early cancellation succeeded"); | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |