diff options
| author | Vitaly Buka <vitalybuka@google.com> | 2017-09-18 07:36:32 +0000 |
|---|---|---|
| committer | Vitaly Buka <vitalybuka@google.com> | 2017-09-18 07:36:32 +0000 |
| commit | 0af7953049526b89f4c202951afcc5796257645b (patch) | |
| tree | 27b13863aaae9862fa51df5248d3ec78ccea1827 /lib/sanitizer_common/sanitizer_common_libcdep.cc | |
| parent | fabb9da5777dcbf106a0aa2b6895bbe31521ed5b (diff) | |
[sanitizer] Move StartReportDeadlySignal into sanitizer_common_libcdep
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@313518 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_common_libcdep.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_common_libcdep.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_common_libcdep.cc b/lib/sanitizer_common/sanitizer_common_libcdep.cc index 4f26a2227..d96890ff5 100644 --- a/lib/sanitizer_common/sanitizer_common_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_common_libcdep.cc @@ -148,6 +148,14 @@ void BackgroundThread(void *arg) { #endif #if !SANITIZER_GO +void StartReportDeadlySignal() { + // Write the first message using fd=2, just in case. + // It may actually fail to write in case stderr is closed. + CatastrophicErrorWrite(SanitizerToolName, internal_strlen(SanitizerToolName)); + static const char kDeadlySignal[] = ":DEADLYSIGNAL\n"; + CatastrophicErrorWrite(kDeadlySignal, sizeof(kDeadlySignal) - 1); +} + static void MaybeReportNonExecRegion(uptr pc) { #if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD MemoryMappingLayout proc_maps(/*cache_enabled*/ true); |