Thurston Dang 531acf9e2f Reapply "[sanitizer_common] AND signals in BlockSignals instead of deleting (#113443)" for non-Android Linux only (#115790) ...

The original patch (25fd366d6a) was
reverted in 083a5cdbea because it broke
some buildbots.

This revised patch makes two changes:
- Reverts to *pre-#98200* behavior for Android. This avoids a build
breakage on Android.
- Only define KeepUnblocked if SANITIZER_LINUX: this avoids a build
breakage on solaris, which does not support internal_sigdelset.
N.B. Other buildbot failures were non-sanitizer tests and are therefore
unrelated.

Original commit message:
    My earlier patch https://github.com/llvm/llvm-project/pull/98200
    caused a regression because it unconditionally unblocked synchronous
    signals, even if the user program had deliberately blocked them.
    This patch fixes the issue by checking the current signal mask, as
    suggested by Vitaly. It also adds tests.
    Fixes #113385

2024-11-14 10:35:35 -08:00

89 KiB

Raw Blame History

View Raw