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glibc/nptl/tst-kill4.c
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/* Copyright (C) 2003, 2006 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, write to the Free | |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
02111-1307 USA. */ | |
#include <errno.h> | |
#include <pthread.h> | |
#include <signal.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
static void * | |
tf (void *a) | |
{ | |
return NULL; | |
} | |
int | |
do_test (void) | |
{ | |
pthread_attr_t at; | |
if (pthread_attr_init (&at) != 0) | |
{ | |
puts ("attr_create failed"); | |
exit (1); | |
} | |
/* Limit thread stack size, because if it is too large, pthread_join | |
will free it immediately rather than put it into stack cache. */ | |
if (pthread_attr_setstacksize (&at, 2 * 1024 * 1024) != 0) | |
{ | |
puts ("setstacksize failed"); | |
exit (1); | |
} | |
pthread_t th; | |
if (pthread_create (&th, &at, tf, NULL) != 0) | |
{ | |
puts ("create failed"); | |
exit (1); | |
} | |
pthread_attr_destroy (&at); | |
if (pthread_join (th, NULL) != 0) | |
{ | |
puts ("join failed"); | |
exit (1); | |
} | |
/* The following only works because we assume here something about | |
the implementation. Namely, that the memory allocated for the | |
thread descriptor is not going away, that the the TID field is | |
cleared and therefore the signal is sent to process 0, and that | |
we can savely assume there is no other process with this ID at | |
that time. */ | |
int e = pthread_kill (th, 0); | |
if (e == 0) | |
{ | |
puts ("pthread_kill succeeded"); | |
exit (1); | |
} | |
if (e != ESRCH) | |
{ | |
puts ("pthread_kill didn't return ESRCH"); | |
exit (1); | |
} | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |