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Write more tests for signal handling

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There's now a much stronger level of assurance that signaling on Windows
will be atomic, low-latency, low tail latency, and shall never deadlock.
This commit is contained in:
Justine Tunney 2024-09-21 05:24:56 -07:00
parent 0e59afb403
commit dd8c4dbd7d
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GPG key ID: BE714B4575D6E328
19 changed files with 407 additions and 75 deletions
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3
libc/intrin/sig.c
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@ -44,9 +44,8 @@ void __sig_unblock(sigset_t m) {
if (IsWindows() || IsMetal()) {
if (__tls_enabled) {
atomic_store_explicit(&__get_tls()->tib_sigmask, m, memory_order_release);
if (_weaken(__sig_check)) {
if (_weaken(__sig_check))
_weaken(__sig_check)();
}
}
} else {
sys_sigprocmask(SIG_SETMASK, &m, 0);