mirror of
https://github.com/checkpoint-restore/criu.git
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2e13f1f029
Move static and transition into zdtm top. We can't move all the micro tests themselves, as we need to distinguish static from non static (zdtm.py makes additional checks on static ones). Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
#include <stdio.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <errno.h>
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#include <signal.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check (via pthread/NPTL) that futeces behave through migration";
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const char *test_author = "Pavel Emelianov <xemul@parallels.com>";
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volatile int kid_passed;
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void *thread_fn(void *lock)
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{
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pthread_mutex_t *mutex;
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mutex = (pthread_mutex_t *)lock;
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pthread_mutex_lock(mutex);
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kid_passed++;
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pthread_mutex_unlock(mutex);
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return NULL;
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}
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#define DEF_NUM_THREADS 10
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#define MAX_NUM_THREADS 50
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int num_threads = DEF_NUM_THREADS;
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TEST_OPTION(num_threads, int, "number of threads "
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"(default " __stringify(DEF_NUM_THREADS)
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" maximum " __stringify(MAX_NUM_THREADS) ")", 0);
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int main(int argc, char **argv)
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{
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int i;
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pthread_t thr[num_threads];
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pthread_mutex_t m;
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test_init(argc, argv);
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if (num_threads > MAX_NUM_THREADS) {
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pr_perror("%d threads it too much. max is %d",
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num_threads, MAX_NUM_THREADS);
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goto out;
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}
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pthread_mutex_init(&m, NULL);
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pthread_mutex_lock(&m);
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for (i = 0; i < num_threads; i++)
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if (pthread_create(&thr[i], NULL, thread_fn, &m)) {
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pr_perror("Can't create %d'th thread", i + 1);
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goto out_kill;
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}
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kid_passed = 0;
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test_daemon();
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test_waitsig();
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sleep(1);
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if (kid_passed != 0)
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fail("some kids broke through\n");
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pthread_mutex_unlock(&m);
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for (i = 0; i < num_threads; i++)
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pthread_join(thr[i], NULL);
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if (pthread_mutex_trylock(&m)) {
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if (errno == EBUSY)
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fail("kids left my mutex locked\n");
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else
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pr_perror("kids spoiled my mutex");
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}
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if (kid_passed != num_threads)
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fail("some kids died during migration\n");
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pass();
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out:
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return 0;
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out_kill:
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for (i--; i >= 0; i--) {
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pthread_kill(thr[i], SIGKILL);
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pthread_join(thr[i], NULL);
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}
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goto out;
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}
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