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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
libc/sock/sendfile.c
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@ -57,7 +57,7 @@ static textwindows int SendfileBlock(int64_t handle,
NTTRACE("WSAWaitForMultipleEvents failed %lm");
return __winsockerr();
} else if (i == kNtWaitTimeout || i == kNtWaitIoCompletion) {
if (_check_interrupts(true, g_fds.p)) return -1;
if (_check_interrupts(kSigOpRestartable, g_fds.p)) return -1;
#if _NTTRACE
POLLTRACE("WSAWaitForMultipleEvents...");
#endif