[PATCH] D38669: [sanitizer] Don't intercept signal and sigaction on Fuchsia
Petr Hosek via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Oct 7 19:58:47 PDT 2017
phosek created this revision.
Herald added a subscriber: kubamracek.
Fuchsia doesn't support signals, so don't use interceptors for signal or sigaction.
Repository:
rL LLVM
https://reviews.llvm.org/D38669
Files:
lib/sanitizer_common/sanitizer_fuchsia.cc
lib/sanitizer_common/sanitizer_platform_interceptors.h
Index: lib/sanitizer_common/sanitizer_platform_interceptors.h
===================================================================
--- lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -389,7 +389,7 @@
#define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE (!SI_MAC)
#define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID
#define SANITIZER_INTERCEPT_WCSCAT SI_POSIX
-#define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS)
+#define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA)
#define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID
#endif // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H
Index: lib/sanitizer_common/sanitizer_fuchsia.cc
===================================================================
--- lib/sanitizer_common/sanitizer_fuchsia.cc
+++ lib/sanitizer_common/sanitizer_fuchsia.cc
@@ -94,6 +94,9 @@
void ReportDeadlySignal(const SignalContext &sig, u32 tid,
UnwindSignalStackCallbackType unwind,
const void *unwind_context) {}
+void HandleDeadlySignal(void *siginfo, void *context, u32 tid,
+ UnwindSignalStackCallbackType unwind,
+ const void *unwind_context) {}
void SetAlternateSignalStack() {}
void UnsetAlternateSignalStack() {}
void InitTlsSize() {}
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