diff options
Diffstat (limited to 'sys/sys/futex.h')
| -rw-r--r-- | sys/sys/futex.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sys/sys/futex.h b/sys/sys/futex.h new file mode 100644 index 0000000..62e32c9 --- /dev/null +++ b/sys/sys/futex.h @@ -0,0 +1,41 @@ +/* $OpenBSD: futex.h,v 1.2 2018/06/03 15:09:26 kettenis Exp $ */ + +/* + * Copyright (c) 2016 Martin Pieuchot + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _SYS_FUTEX_H_ +#define _SYS_FUTEX_H_ + +#ifndef _KERNEL +#include <sys/cdefs.h> + +__BEGIN_DECLS +int futex(volatile uint32_t *, int, int, const struct timespec *, + volatile uint32_t *); +__END_DECLS +#endif /* ! _KERNEL */ + +#define FUTEX_WAIT 1 +#define FUTEX_WAKE 2 +#define FUTEX_REQUEUE 3 + +#define FUTEX_PRIVATE_FLAG 128 + +#define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG) +#define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG) +#define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG) + +#endif /* _SYS_FUTEX_H_ */ |