diff options
Diffstat (limited to 'test/sanitizer_common')
-rw-r--r-- | test/sanitizer_common/TestCases/Linux/allocator_fork_no_hang.cc | 118 | ||||
-rw-r--r-- | test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc | 2 |
2 files changed, 1 insertions, 119 deletions
diff --git a/test/sanitizer_common/TestCases/Linux/allocator_fork_no_hang.cc b/test/sanitizer_common/TestCases/Linux/allocator_fork_no_hang.cc deleted file mode 100644 index d159d85ee2d6..000000000000 --- a/test/sanitizer_common/TestCases/Linux/allocator_fork_no_hang.cc +++ /dev/null @@ -1,118 +0,0 @@ -// https://github.com/google/sanitizers/issues/774 -// Test that sanitizer allocator is fork-safe. -// Run a number of threads that perform memory allocation/deallocation, then fork -// and verify that malloc/free do not deadlock in the child process. - -// RUN: %clangxx -std=c++11 -O0 %s -o %t -// RUN: ASAN_OPTIONS=detect_leaks=0 %run %t 2>&1 | FileCheck %s - -// Fun fact: if test output is redirected to a file (as opposed to -// being piped directly to FileCheck), we may lose some "done"s due to -// a kernel bug: -// https://lkml.org/lkml/2014/2/17/324 - -// UNSUPPORTED: tsan - -// Flaky on PPC64. -// UNSUPPORTED: powerpc64-target-arch -// UNSUPPORTED: powerpc64le-target-arch - -#include <pthread.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <sys/time.h> -#include <signal.h> -#include <errno.h> - -int done; - -void *worker(void *arg) { - while (true) { - void *p = malloc(4); - if (__atomic_load_n(&done, __ATOMIC_RELAXED)) - return 0; - } - return 0; -} - -// Run through malloc/free in the child process. -// This can deadlock on allocator cache refilling. -void child() { - for (int i = 0; i < 10000; ++i) { - void *p = malloc(4); - } - write(2, "done\n", 5); -} - -void test() { - const int kThreads = 10; - pthread_t t[kThreads]; - for (int i = 0; i < kThreads; ++i) - pthread_create(&t[i], NULL, worker, (void*)(long)i); - usleep(100000); - pid_t pid = fork(); - if (pid) { - // parent - __atomic_store_n(&done, 1, __ATOMIC_RELAXED); - pid_t p; - while ((p = wait(NULL)) == -1) { } - } else { - // child - child(); - } -} - -int main() { - const int kChildren = 30; - for (int i = 0; i < kChildren; ++i) { - pid_t pid = fork(); - if (pid) { - // parent - } else { - test(); - exit(0); - } - } - - for (int i = 0; i < kChildren; ++i) { - pid_t p; - while ((p = wait(NULL)) == -1) { } - } - - return 0; -} - -// Expect 30 (== kChildren) "done" messages. -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done -// CHECK: done diff --git a/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc b/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc index b7246ebf2751..1a4ad1f066d9 100644 --- a/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc +++ b/test/sanitizer_common/TestCases/sanitizer_coverage_inline8bit_counter.cc @@ -1,7 +1,7 @@ // Tests -fsanitize-coverage=inline-8bit-counters // // REQUIRES: has_sancovcc,stable-runtime -// UNSUPPORTED: i386-darwin +// UNSUPPORTED: i386-darwin, x86_64-darwin, x86_64h-darwin // // RUN: %clangxx -O0 %s -fsanitize-coverage=inline-8bit-counters 2>&1 |