mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-26 22:38:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Write more tests for signal handling

Browse source 
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
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
19 changed files with 407 additions and 75 deletions
Download patch file Download diff file Expand all files Collapse all files

16
libc/calls/sigcheck.c
View file

@ -23,18 +23,18 @@
#include "libc/sysv/errfuns.h"
textwindows int __sigcheck(sigset_t waitmask, bool restartable) {
int sig, handler_was_called;
int sig, handler_was_called = 0;
if (_check_cancel() == -1)
return -1;
if (_weaken(__sig_get) && (sig = _weaken(__sig_get)(waitmask))) {
handler_was_called = _weaken(__sig_relay)(sig, SI_KERNEL, waitmask);
while (_weaken(__sig_get) && (sig = _weaken(__sig_get)(waitmask))) {
handler_was_called |= _weaken(__sig_relay)(sig, SI_KERNEL, waitmask);
if (_check_cancel() == -1)
return -1;
if (handler_was_called & SIG_HANDLED_NO_RESTART)
return eintr();
if (handler_was_called & SIG_HANDLED_SA_RESTART)
if (!restartable)
return eintr();
}
if (handler_was_called & SIG_HANDLED_NO_RESTART)
return eintr();
if (handler_was_called & SIG_HANDLED_SA_RESTART)
if (!restartable)
return eintr();
return 0;
}