1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s -check-prefix=CHECK-DIE 2 // RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=die_after_fork=0 %run %t 2>&1 | FileCheck %s -check-prefix=CHECK-NODIE 3 // UNSUPPORTED: darwin 4 #include "test.h" 5 #include <errno.h> 6 #include <sys/types.h> 7 #include <sys/wait.h> 8 9 static void *sleeper(void *p) { 10 sleep(10); // not intended to exit during test 11 return 0; 12 } 13 14 static void *nop(void *p) { 15 return 0; 16 } 17 18 int main() { 19 barrier_init(&barrier, 2); 20 pthread_t th; 21 pthread_create(&th, 0, sleeper, 0); 22 switch (fork()) { 23 default: // parent 24 while (wait(0) < 0) {} 25 break; 26 case 0: // child 27 { 28 pthread_t th2; 29 pthread_create(&th2, 0, nop, 0); 30 exit(0); 31 break; 32 } 33 case -1: // error 34 fprintf(stderr, "failed to fork (%d)\n", errno); 35 exit(1); 36 } 37 fprintf(stderr, "OK\n"); 38 } 39 40 // CHECK-DIE: ThreadSanitizer: starting new threads after multi-threaded fork is not supported 41 // CHECK-DIE: OK 42 43 // CHECK-NODIE-NOT: ThreadSanitizer: starting new threads after multi-threaded fork is not supported 44 // CHECK-NODIE: OK 45 46
