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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2016-05-23 06:47:37 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2016-05-23 06:47:37 +0000 |
| commit | b8b0be93ef7b51cb81240d725f4c2cbe2d7f5c4d (patch) | |
| tree | bc789402e5428b270ddbeae984bef0fa37e78b5a /llvm/lib/Support/Unix | |
| parent | a6d010482310fe8ebb55d52954fc14f9b7979910 (diff) | |
| download | bcm5719-llvm-b8b0be93ef7b51cb81240d725f4c2cbe2d7f5c4d.tar.gz bcm5719-llvm-b8b0be93ef7b51cb81240d725f4c2cbe2d7f5c4d.zip | |
Enable use of sigaltstack for signal handlers when available. With this,
backtraces from the signal handler on stack overflow now work reliably (on my
system at least...).
llvm-svn: 270395
Diffstat (limited to 'llvm/lib/Support/Unix')
| -rw-r--r-- | llvm/lib/Support/Unix/Signals.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Support/Unix/Signals.inc b/llvm/lib/Support/Unix/Signals.inc index 3d9d3de3a13..8e0d2057c76 100644 --- a/llvm/lib/Support/Unix/Signals.inc +++ b/llvm/lib/Support/Unix/Signals.inc @@ -107,7 +107,7 @@ static void RegisterHandler(int Signal) { struct sigaction NewHandler; NewHandler.sa_handler = SignalHandler; - NewHandler.sa_flags = SA_NODEFER|SA_RESETHAND; + NewHandler.sa_flags = SA_NODEFER | SA_RESETHAND | SA_ONSTACK; sigemptyset(&NewHandler.sa_mask); // Install the new handler, save the old one in RegisteredSignalInfo. |
