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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s -check-prefix=CHECK-DIE
// RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=die_after_fork=0 %run %t 2>&1 | FileCheck %s -check-prefix=CHECK-NODIE
#include "test.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
static void *sleeper(void *p) {
sleep(1000); // not intended to exit during test
return 0;
}
static void *nop(void *p) {
return 0;
}
int main() {
barrier_init(&barrier, 2);
pthread_t th;
pthread_create(&th, 0, sleeper, 0);
switch (fork()) {
default: // parent
while (wait(0) < 0) {}
break;
case 0: // child
{
pthread_t th2;
pthread_create(&th2, 0, nop, 0);
exit(0);
break;
}
case -1: // error
fprintf(stderr, "failed to fork (%d)\n", errno);
exit(1);
}
fprintf(stderr, "OK\n");
}
// CHECK-DIE: ThreadSanitizer: starting new threads after multi-threaded fork is not supported
// CHECK-DIE: OK
// CHECK-NODIE-NOT: ThreadSanitizer: starting new threads after multi-threaded fork is not supported
// CHECK-NODIE: OK
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