commit a38921823532d2ddb3ef123cc4697dfc04919f35
author Alex Brachet <alexbrachetmialot@gmail.com> Thu Feb 20 14:05:34 2020 -0500
committer Copybara-Service <copybara-worker@google.com> Sun Aug 30 14:12:41 2020 -0700
tree 18b279e5d17b0c4adb797743c821cc3a5a6e884c
parent 271cc214d18b69340e3e66d85ac38126d21fd7f1

[libc] Add Initial Support for Signals

Summary:
This patch adds signal support on Linux. The current implementation gets the SIG* macros and types like `sigset_t` from <linux/signals.h>

This patch also adds raise(3), and internal routines  `block_all_signals` and `restore_signals`

Reviewers: sivachandra, MaskRay, gchatelet

Reviewed By: sivachandra

Subscribers: libc-commits, mgorny, tschuett

Differential Revision: https://reviews.llvm.org/D74528

GitOrigin-RevId: 5d2baa956ac3784e3956e35f610e118cacc7128b