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Improve multithreading

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Justine Tunney 2024-07-21 06:41:30 -07:00
parent d3167126aa
commit 30afd6ddbb
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GPG key ID: BE714B4575D6E328
38 changed files with 752 additions and 174 deletions
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43
test/libc/thread/pthread_cancel_masked_cond_test.c Normal file
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#include <errno.h>
#include <pthread.h>
#include <stdlib.h>
#include <unistd.h>
int got_cleanup;
pthread_cond_t cv = PTHREAD_COND_INITIALIZER;
pthread_mutex_t mu = PTHREAD_MUTEX_INITIALIZER;
void cleanup(void* arg) {
got_cleanup = 1;
}
void* worker(void* arg) {
if (pthread_setcancelstate(PTHREAD_CANCEL_MASKED, 0))
_Exit(10);
pthread_cleanup_push(cleanup, 0);
if (pthread_mutex_lock(&mu))
_Exit(11);
if (pthread_cond_wait(&cv, &mu) != ECANCELED)
_Exit(12);
if (pthread_mutex_trylock(&mu) != EBUSY)
_Exit(13);
if (pthread_mutex_unlock(&mu))
_Exit(14);
pthread_cleanup_pop(0);
return (void*)123;
}
int main(int argc, char* argv[]) {
void* rc;
pthread_t th;
if (pthread_create(&th, 0, worker, 0))
return 2;
if (pthread_cancel(th))
return 3;
if (pthread_join(th, &rc))
return 4;
if (rc != (void*)123)
return 5;
if (got_cleanup)
return 6;
}