Vitaly Buka b89704fa6f [lsan] Do not check for leaks in the forked process
Summary:
If calling process had threads then forked process will fail to detect
references from them.

Fixes https://github.com/google/sanitizers/issues/836

Reviewers: alekseyshl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D47751

llvm-svn: 334036
2018-06-05 18:15:57 +00:00

36 lines
792 B
C++

// Test forked process does not run lsan.
// RUN: %clangxx_lsan %s -o %t && %run %t 2>&1 | FileCheck %s
#include <pthread.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
static pthread_barrier_t barrier;
// CHECK-NOT: SUMMARY: {{(Leak|Address)}}Sanitizer:
static void *thread_func(void *arg) {
void *buffer = malloc(1337);
pthread_barrier_wait(&barrier);
for (;;)
pthread_yield();
return 0;
}
int main() {
pthread_barrier_init(&barrier, 0, 2);
pthread_t tid;
int res = pthread_create(&tid, 0, thread_func, 0);
pthread_barrier_wait(&barrier);
pthread_barrier_destroy(&barrier);
pid_t pid = fork();
if (pid > 0) {
int status = 0;
waitpid(pid, &status, 0);
}
return 0;
}
// CHECK: WARNING: LeakSanitizer is disabled in forked process