diff options
| -rw-r--r-- | base/mac/os_crash_dumps.cc | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/base/mac/os_crash_dumps.cc b/base/mac/os_crash_dumps.cc index e82fd73..e6b0996 100644 --- a/base/mac/os_crash_dumps.cc +++ b/base/mac/os_crash_dumps.cc @@ -8,6 +8,7 @@ #include <unistd.h> #include "base/basictypes.h" +#include "base/logging.h" namespace base { namespace mac { @@ -37,8 +38,19 @@ void DisableOSCrashDumps() { }; // For all these signals, just wire things up so we exit immediately. - for (size_t i = 0; i < arraysize(signals_to_intercept); ++i) - signal(signals_to_intercept[i], ExitSignalHandler); + for (size_t i = 0; i < arraysize(signals_to_intercept); ++i) { + struct sigaction act = {}; + act.sa_handler = ExitSignalHandler; + + // It is better to allow the signal handler to run on the stack + // registered with sigaltstack(), if one is present. + act.sa_flags = SA_ONSTACK; + + if (sigemptyset(&act.sa_mask) != 0) + DLOG_ERRNO(FATAL) << "sigemptyset() failed"; + if (sigaction(signals_to_intercept[i], &act, NULL) != 0) + DLOG_ERRNO(FATAL) << "sigaction() failed"; + } } } // namespace mac |