[asan] Remove a flaky test.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@252805 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/asan/TestCases/Linux/halt_on_error-signals.c b/test/asan/TestCases/Linux/halt_on_error-signals.c
deleted file mode 100644
index a1ea8c8..0000000
--- a/test/asan/TestCases/Linux/halt_on_error-signals.c
+++ /dev/null
@@ -1,109 +0,0 @@
-// Test interaction of Asan recovery mode with asynch signals.
-//
-// RUN: %clang_asan -fsanitize-recover=address -pthread %s -o %t
-//
-// RUN: rm -f %t.log
-// RUN: env ASAN_OPTIONS=halt_on_error=false %run %t 1000 >%t.log 2>&1 || true
-// RUN: FileCheck %s < %t.log
-// Collision will almost always get triggered but we still need to check the unlikely case:
-// RUN: FileCheck --check-prefix=CHECK-COLLISION %s < %t.log || FileCheck --check-prefix=CHECK-NO-COLLISION %s < %t.log
-//
-// REQUIRES: stable-runtime
-
-#define _POSIX_C_SOURCE 200112 // rand_r
-#define _SVID_SOURCE 1 // SA_NODEFER
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <pthread.h>
-#include <time.h>
-#include <signal.h>
-
-#include <sanitizer/asan_interface.h>
-
-void random_sleep(unsigned *seed) {
- struct timespec delay = { 0, rand_r(seed) * 1000000 };
- nanosleep(&delay, 0);
-}
-
-volatile char bad[2] = {1, };
-
-void error() {
- // CHECK-COLLISION: AddressSanitizer: nested bug in the same thread, aborting
- // CHECK: AddressSanitizer: use-after-poison
- volatile int idx = 0;
- bad[idx] = 0;
-}
-
-size_t niter = 10;
-pthread_t sender_tid, receiver_tid;
-
-void *sender(void *arg) {
- unsigned seed = 0;
- for (size_t i = 0; i < niter; ++i) {
- random_sleep(&seed);
- pthread_kill(receiver_tid, SIGUSR1);
- }
- return 0;
-}
-
-void handler(int sig) {
- // Expect error collisions here
- error();
-}
-
-void *receiver(void *arg) {
- unsigned seed = 1;
- for (size_t i = 0; i < niter; ++i) {
- random_sleep(&seed);
- // And here
- error();
- }
- return 0;
-}
-
-int main(int argc, char **argv) {
- if (argc != 2) {
- fprintf(stderr, "Syntax: %s niter\n", argv[0]);
- exit(1);
- }
-
- niter = (size_t)strtoul(argv[1], 0, 0);
-
- struct sigaction sa;
- memset(&sa, 0, sizeof(sa));
- sa.sa_handler = handler;
- sa.sa_flags = SA_NODEFER; // Enable nested handlers to add more stress
- if (0 != sigaction(SIGUSR1, &sa, 0)) {
- fprintf(stderr, "Failed to set sighandler\n");
- exit(1);
- }
-
- __asan_poison_memory_region(&bad, sizeof(bad));
-
- if (0 != pthread_create(&receiver_tid, 0, receiver, 0)) {
- fprintf(stderr, "Failed to start receiver thread\n");
- exit(1);
- }
-
- if (0 != pthread_create(&sender_tid, 0, sender, 0)) {
- fprintf(stderr, "Failed to start sender thread\n");
- exit(1);
- }
-
- if (0 != pthread_join(receiver_tid, 0)) {
- fprintf(stderr, "Failed to wait receiver thread\n");
- exit(1);
- }
-
- if (0 != pthread_join(sender_tid, 0)) {
- fprintf(stderr, "Failed to wait sender thread\n");
- exit(1);
- }
-
- // CHECK-NO-COLLISION: All threads terminated
- printf("All threads terminated\n");
-
- return 0;
-}