diff options
| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2018-03-27 00:31:16 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2018-03-27 00:31:16 +0000 |
| commit | 4637a721ec1e9399c884a941d71d966bd0c1af74 (patch) | |
| tree | aeb12f27d0f5bff3e63ce1deb72526237a129c7f /lib | |
| parent | d7962b9d3455e69f0fd558d6226d9c70d711740e (diff) | |
Revert "[asan] Replace vfork with fork."
Replacing vfork with fork results in significant slowdown of certain
apps (in particular, memcached).
This reverts r327752.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@328600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/asan/asan_interceptors.cc | 11 | ||||
| -rw-r--r-- | lib/asan/asan_interceptors.h | 2 |
2 files changed, 0 insertions, 13 deletions
diff --git a/lib/asan/asan_interceptors.cc b/lib/asan/asan_interceptors.cc index 97f75136b..0b59561b8 100644 --- a/lib/asan/asan_interceptors.cc +++ b/lib/asan/asan_interceptors.cc @@ -572,13 +572,6 @@ INTERCEPTOR(int, __cxa_atexit, void (*func)(void *), void *arg, } #endif // ASAN_INTERCEPT___CXA_ATEXIT -#if ASAN_INTERCEPT_VFORK -extern "C" int fork(void); -INTERCEPTOR(int, vfork, void) { - return fork(); -} -#endif // ASAN_INTERCEPT_VFORK - // ---------------------- InitializeAsanInterceptors ---------------- {{{1 namespace __asan { void InitializeAsanInterceptors() { @@ -656,10 +649,6 @@ void InitializeAsanInterceptors() { ASAN_INTERCEPT_FUNC(__cxa_atexit); #endif -#if ASAN_INTERCEPT_VFORK - ASAN_INTERCEPT_FUNC(vfork); -#endif - InitializePlatformInterceptors(); VReport(1, "AddressSanitizer: libc interceptors initialized\n"); diff --git a/lib/asan/asan_interceptors.h b/lib/asan/asan_interceptors.h index 19a946cca..cf7bbaa27 100644 --- a/lib/asan/asan_interceptors.h +++ b/lib/asan/asan_interceptors.h @@ -46,13 +46,11 @@ void InitializePlatformInterceptors(); # define ASAN_INTERCEPT__LONGJMP 1 # define ASAN_INTERCEPT_INDEX 1 # define ASAN_INTERCEPT_PTHREAD_CREATE 1 -# define ASAN_INTERCEPT_VFORK 1 #else # define ASAN_INTERCEPT_ATOLL_AND_STRTOLL 0 # define ASAN_INTERCEPT__LONGJMP 0 # define ASAN_INTERCEPT_INDEX 0 # define ASAN_INTERCEPT_PTHREAD_CREATE 0 -# define ASAN_INTERCEPT_VFORK 0 #endif #if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD || \ |