diff options
| author | Abseil Team <absl-team@google.com> | 2020-02-13T14·52-0800 |
|---|---|---|
| committer | Mark Barolak <mbar@google.com> | 2020-02-13T18·56-0500 |
| commit | c44657f55692eddf5504156645d1f4ec7b3acabd (patch) | |
| tree | 3a0da3d468193fd9c3b5485777da30f64f06f93e /absl/debugging | |
| parent | 98eb410c93ad059f9bba1bf43f5bb916fc92a5ea (diff) | |
Export of internal Abseil changes
-- dc6d2715f0415082fcc8da8bf74e74bce69b236c by Derek Mauro <dmauro@google.com>: Correctly detect C++ exceptions support on Clang for Windows PiperOrigin-RevId: 294905116 -- b43c44501b4820f4a2f396e426619bd02565707e by Derek Mauro <dmauro@google.com>: Set CMAKE_CXX_STANDARD on the MacOS CMake build PiperOrigin-RevId: 294730418 -- 184a078649167f9738da60b0f12108256bcfd67b by Abseil Team <absl-team@google.com>: No need for custom spec to deal with limited platforms. PiperOrigin-RevId: 294700133 -- b437c7f659b809fc84a45eab284265fec497a3e3 by Abseil Team <absl-team@google.com>: Not calling sigaltstack on WatchOS and TVOS since they don't allow it. PiperOrigin-RevId: 294699951 -- 23ab8dd381ee4104125dece8455bc96b81239789 by Gennadiy Rozental <rogeeff@google.com>: Replace use of atomic+global Mutex+bool with absl::call_once for Flag initialization. This simplifies the initialization logic and helps with upcoming work with value storage rework. PiperOrigin-RevId: 294654938 -- cee576163a2753c6138bc254e81de4800ea3307a by Gennadiy Rozental <rogeeff@google.com>: Separate const bits from mutable bits. Since bit field is not atomic unit for reading/writing, we can't have constant bits which are not protected by data guard to share the space with mutable bits which are protected. This CL just reorder fields in class and does not make any other changes. PiperOrigin-RevId: 294501780 -- b4d0e2ab559d04f655c93f008594562234773c15 by Abseil Team <absl-team@google.com>: Correct the comment. PiperOrigin-RevId: 294499328 -- a788cf71af6247df033298c49939ba0414d71693 by Derek Mauro <dmauro@google.com>: Move the FAQ to the top level directory PiperOrigin-RevId: 294493863 GitOrigin-RevId: dc6d2715f0415082fcc8da8bf74e74bce69b236c Change-Id: I71b0d8cd401b48d41433417858ae0d69398b6602
Diffstat (limited to 'absl/debugging')
| -rw-r--r-- | absl/debugging/failure_signal_handler.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/absl/debugging/failure_signal_handler.cc b/absl/debugging/failure_signal_handler.cc index 470d676812c2..cd141ecf5d32 100644 --- a/absl/debugging/failure_signal_handler.cc +++ b/absl/debugging/failure_signal_handler.cc @@ -24,6 +24,10 @@ #include <unistd.h> #endif +#ifdef __APPLE__ +#include <TargetConditionals.h> +#endif + #ifdef ABSL_HAVE_MMAP #include <sys/mman.h> #endif @@ -44,6 +48,11 @@ #ifndef _WIN32 #define ABSL_HAVE_SIGACTION +// Apple WatchOS and TVOS don't allow sigaltstack +#if !(defined(TARGET_OS_WATCH) && TARGET_OS_WATCH) && \ + !(defined(TARGET_OS_TV) && TARGET_OS_TV) +#define ABSL_HAVE_SIGALTSTACK +#endif #endif namespace absl { @@ -117,7 +126,7 @@ const char* FailureSignalToString(int signo) { } // namespace debugging_internal -#ifndef _WIN32 +#ifdef ABSL_HAVE_SIGALTSTACK static bool SetupAlternateStackOnce() { #if defined(__wasm__) || defined (__asjms__) @@ -169,7 +178,7 @@ static bool SetupAlternateStackOnce() { // Returns the appropriate flag for sig_action.sa_flags // if the system supports using an alternate stack. static int MaybeSetupAlternateStack() { -#ifndef _WIN32 +#ifdef ABSL_HAVE_SIGALTSTACK ABSL_ATTRIBUTE_UNUSED static const bool kOnce = SetupAlternateStackOnce(); return SA_ONSTACK; #else |