d0fb5d8b00
Add pthread_tryjoin_np() and pthread_timedjoin_np() interceptors on Linux, so that ThreadSanitizer can handle programs using these functions. Author: Yuri Per (yuri) Reviewed in: https://reviews.llvm.org/D54521 llvm-svn: 347383
40 lines
881 B
C
40 lines
881 B
C
// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
|
|
#define _GNU_SOURCE
|
|
#include "../test.h"
|
|
#include <errno.h>
|
|
|
|
int var;
|
|
|
|
void *Thread(void *x) {
|
|
barrier_wait(&barrier);
|
|
var = 1;
|
|
return 0;
|
|
}
|
|
|
|
static void check(int res, int expect) {
|
|
if (res != expect) {
|
|
fprintf(stderr, "Unexpected result of pthread_timedjoin_np: %d\n", res);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
barrier_init(&barrier, 2);
|
|
pthread_t t;
|
|
pthread_create(&t, 0, Thread, 0);
|
|
struct timespec ts;
|
|
clock_gettime(CLOCK_REALTIME, &ts);
|
|
check(pthread_timedjoin_np(t, 0, &ts), ETIMEDOUT);
|
|
barrier_wait(&barrier);
|
|
clock_gettime(CLOCK_REALTIME, &ts);
|
|
ts.tv_sec += 10000;
|
|
check(pthread_timedjoin_np(t, 0, &ts), 0);
|
|
var = 2;
|
|
fprintf(stderr, "PASS\n");
|
|
return 0;
|
|
}
|
|
|
|
// CHECK-NOT: WARNING: ThreadSanitizer: data race
|
|
// CHECK-NOT: WARNING: ThreadSanitizer: thread leak
|
|
// CHECK: PASS
|