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Support futexes on FreeBSD

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This commit is contained in:
Justine Tunney 2022-10-02 11:56:27 -07:00
parent 795d295590
commit 7549a5755e
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GPG key ID: BE714B4575D6E328
10 changed files with 81 additions and 31 deletions
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3
libc/thread/wait0.c
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@ -29,6 +29,7 @@
#include "libc/nt/runtime.h"
#include "libc/nt/synchronization.h"
#include "libc/sysv/consts/futex.h"
#include "libc/thread/freebsd.internal.h"
#include "libc/thread/wait0.internal.h"
int _futex(atomic_int *, int, int, const struct timespec *);
@ -64,6 +65,8 @@ static void _wait0_futex(const atomic_int *a, int e) {
} else {
rc = -GetLastError();
}
} else if (IsFreebsd()) {
rc = sys_umtx_op(a, UMTX_OP_WAIT_UINT, 0, 0, 0);
} else {
rc = _futex(a, op, e, 0);
if (IsOpenbsd() && rc > 0) {