maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[asan] Get rid of rand_r (not available on all targets). 

llvm-svn: 253021
This commit is contained in:
Yury Gribov 2015-11-13 09:43:30 +00:00
parent ac9c5b1901
commit 1e89f53902
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
compiler-rt/test/asan/TestCases/Linux/halt_on_error-torture.cc
View File

@ -2,11 +2,11 @@
//
// RUN: %clangxx_asan -fsanitize-recover=address -pthread %s -o %t
//
// RUN: env ASAN_OPTIONS=halt_on_error=false:max_errors=1000 %run %t 1 10 >1.txt 2>&1
// RUN: env ASAN_OPTIONS=halt_on_error=false %run %t 1 10 >1.txt 2>&1
// RUN: FileCheck %s < 1.txt
// RUN: [ $(wc -l < 1.txt) -gt 1 ]
//
// RUN: env ASAN_OPTIONS=halt_on_error=false:max_errors=1000 %run %t 10 20 >10.txt 2>&1
// RUN: env ASAN_OPTIONS=halt_on_error=false %run %t 10 20 >10.txt 2>&1
// RUN: FileCheck %s < 10.txt
// This one is racy although very unlikely to fail:
// RUN: [ $(wc -l < 10.txt) -gt 1 ]
@ -14,9 +14,6 @@
// RUN: FileCheck --check-prefix=CHECK-COLLISION %s < 1.txt || FileCheck --check-prefix=CHECK-NO-COLLISION %s < 1.txt
//
// REQUIRES: stable-runtime
// UNSUPPORTED: android
#define _POSIX_C_SOURCE 200112 // rand_r
#include <stdio.h>
#include <stdlib.h>
@ -28,6 +25,12 @@
size_t nthreads = 10;
size_t niter = 10;
void random_delay(unsigned *seed) {
*seed = 1664525 * *seed + 1013904223;
struct timespec delay = { 0, (*seed % 1000) * 1000 };
nanosleep(&delay, 0);
}
void *run(void *arg) {
unsigned seed = (unsigned)(size_t)arg;
@ -35,9 +38,7 @@ void *run(void *arg) {
__asan_poison_memory_region(&tmp, sizeof(tmp));
for (size_t i = 0; i < niter; ++i) {
struct timespec delay = { 0, rand_r(&seed) * 1000000 };
nanosleep(&delay, 0);
random_delay(&seed);
// Expect error collisions here
// CHECK: AddressSanitizer: use-after-poison
volatile int idx = 0;