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Add missing lock to fork() on Windows

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Justine Tunney 2025-01-03 19:01:58 -08:00
parent e939659b70
commit fe01642a20
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GPG key ID: BE714B4575D6E328
19 changed files with 90 additions and 96 deletions
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12
libc/intrin/msync.c
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@ -68,23 +68,19 @@ int msync(void *addr, size_t size, int flags) {
} else {
sysflags = MS_ASYNC;
}
if (flags & MS_INVALIDATE) {
if (flags & MS_INVALIDATE)
sysflags |= MS_INVALIDATE;
}
// FreeBSD's manual says "The flags argument was both MS_ASYNC and
// MS_INVALIDATE. Only one of these flags is allowed." which makes
// following the POSIX recommendation somewhat difficult.
if (IsFreebsd()) {
if (sysflags == (MS_ASYNC | MS_INVALIDATE)) {
if (IsFreebsd())
if (sysflags == (MS_ASYNC | MS_INVALIDATE))
sysflags = MS_INVALIDATE;
}
}
// FreeBSD specifies MS_SYNC as 0 so we shift the Cosmo constants
if (IsFreebsd()) {
if (IsFreebsd())
sysflags >>= 1;
}
BEGIN_CANCELATION_POINT;
if (!IsWindows()) {