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[asan] new run-time flag: sleep_before_dying (asan Issue #31) 

llvm-svn: 149306
This commit is contained in:
Kostya Serebryany 2012-01-31 00:52:18 +00:00
parent 5d0d607b6b
commit bca91defcb
4 changed files with 12 additions and 0 deletions
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1
compiler-rt/lib/asan/asan_internal.h
View File

@ -166,6 +166,7 @@ extern bool FLAG_use_fake_stack;
extern size_t FLAG_max_malloc_fill_size; extern size_t FLAG_max_malloc_fill_size;
extern int FLAG_exitcode; extern int FLAG_exitcode;
extern bool FLAG_allow_user_poisoning; extern bool FLAG_allow_user_poisoning;
extern int FLAG_sleep_before_dying;
extern bool FLAG_handle_segv; extern bool FLAG_handle_segv;
extern int asan_inited; extern int asan_inited;

4
compiler-rt/lib/asan/asan_posix.cc
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@ -70,6 +70,10 @@ void AsanDisableCoreDumper() {
} }
void AsanDie() { void AsanDie() {
if (FLAG_sleep_before_dying) {
Report("Sleeping for %d second(s)\n", FLAG_sleep_before_dying);
sleep(FLAG_sleep_before_dying);
}
_exit(FLAG_exitcode); _exit(FLAG_exitcode);
} }

2
compiler-rt/lib/asan/asan_rtl.cc
View File

@ -47,6 +47,7 @@ size_t FLAG_max_malloc_fill_size = 0;
bool FLAG_use_fake_stack; bool FLAG_use_fake_stack;
int FLAG_exitcode = EXIT_FAILURE; int FLAG_exitcode = EXIT_FAILURE;
bool FLAG_allow_user_poisoning; bool FLAG_allow_user_poisoning;
int FLAG_sleep_before_dying;
// -------------------------- Globals --------------------- {{{1 // -------------------------- Globals --------------------- {{{1
int asan_inited; int asan_inited;
@ -411,6 +412,7 @@ void __asan_init() {
FLAG_exitcode = IntFlagValue(options, "exitcode=", EXIT_FAILURE); FLAG_exitcode = IntFlagValue(options, "exitcode=", EXIT_FAILURE);
FLAG_allow_user_poisoning = IntFlagValue(options, FLAG_allow_user_poisoning = IntFlagValue(options,
"allow_user_poisoning=", 1); "allow_user_poisoning=", 1);
FLAG_sleep_before_dying = IntFlagValue(options, "sleep_before_dying=", 0);
if (FLAG_atexit) { if (FLAG_atexit) {
atexit(asan_atexit); atexit(asan_atexit);

5
compiler-rt/lib/asan/tests/test_output.sh
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@ -19,6 +19,11 @@ $CC -g -faddress-sanitizer -O2 $C_TEST.c -pie
./a.out 2>&1 | grep "heap-use-after-free" > /dev/null ./a.out 2>&1 | grep "heap-use-after-free" > /dev/null
rm ./a.out rm ./a.out
echo "Testing sleep_before_dying"
$CC -g -faddress-sanitizer -O2 $C_TEST.c
ASAN_OPTIONS=sleep_before_dying=1 ./a.out 2>&1 | grep "Sleeping for 1 second" > /dev/null
rm a.out
for t in *.tmpl; do for t in *.tmpl; do
for b in 32 64; do for b in 32 64; do
for O in 0 1 2 3; do for O in 0 1 2 3; do