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Make forking off threads reliable on Windows

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This change makes posix_spawn_test no longer flaky on Windows, by (1)
fixing a race condition in wait(), and (2) removing a misguided vfork
implementation which was letting Windows bypass pthread_atfork().
This commit is contained in:
Justine Tunney 2023-07-30 08:55:01 -07:00
parent 2ebc5781a1
commit 58352df0a4
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GPG key ID: BE714B4575D6E328
30 changed files with 230 additions and 187 deletions
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2
third_party/nsync/futex.c vendored
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@ -174,7 +174,7 @@ static int nsync_futex_wait_win32_ (atomic_int *w, int expect, char pshare, stru
deadline = timespec_max;
}
while (!(rc = _check_interrupts (false, 0))) {
while (!(rc = _check_interrupts (0, 0))) {
now = timespec_real ();
if (timespec_cmp (now, deadline) > 0) {
rc = etimedout();