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drd/tests/pth_barrier: Reduce stack usage

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11968
This commit is contained in:
Bart Van Assche 2011-08-12 15:21:31 +00:00
parent 5800c7271c
commit e6b3e4178d
1 changed files with 12 additions and 4 deletions
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16
drd/tests/pth_barrier.c
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@ -10,11 +10,11 @@
/***********************/
#include <assert.h>
#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/*********************/
@ -65,7 +65,8 @@ static void* threadfunc(struct threadinfo* p)
/** Actual test, consisting of nthread threads. */
static void barriers_and_races(const int nthread, const int iterations)
{
int i;
int i, res;
pthread_attr_t attr;
struct threadinfo* t;
pthread_barrier_t b;
int* array;
@ -78,18 +79,25 @@ static void barriers_and_races(const int nthread, const int iterations)
pthread_barrier_init(&b, 0, nthread);
pthread_attr_init(&attr);
res = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN + 4096);
assert(res == 0);
for (i = 0; i < nthread; i++)
{
t[i].b = &b;
t[i].array = array;
t[i].iterations = iterations;
if (pthread_create(&t[i].tid, 0, (void*(*)(void*))threadfunc, &t[i])) {
res = pthread_create(&t[i].tid, &attr, (void*(*)(void*))threadfunc, &t[i]);
if (res != 0) {
fprintf(stderr, "Could not create thread #%d (of %d): %s\n",
i, nthread, strerror(errno));
i, nthread, strerror(res));
exit(1);
}
}
pthread_attr_destroy(&attr);
for (i = 0; i < nthread; i++)
{
pthread_join(t[i].tid, 0);