From cdeb75380c910f22b1c8d42defca5946fd594d75 Mon Sep 17 00:00:00 2001 From: Stephan Raue Date: Mon, 21 Sep 2009 18:35:40 -0700 Subject: add timerfd syscall and header Signed-off-by: Austin Foxley Signed-off-by: Stephan Raue --- libc/sysdeps/linux/common/sys/timerfd.h | 60 +++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 libc/sysdeps/linux/common/sys/timerfd.h (limited to 'libc/sysdeps/linux/common/sys') diff --git a/libc/sysdeps/linux/common/sys/timerfd.h b/libc/sysdeps/linux/common/sys/timerfd.h new file mode 100644 index 000000000..c1bb06f5f --- /dev/null +++ b/libc/sysdeps/linux/common/sys/timerfd.h @@ -0,0 +1,60 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_TIMERFD_H +#define _SYS_TIMERFD_H 1 + +#include + + +/* Bits to be set in the FLAGS parameter of `timerfd_create'. */ +enum + { + TFD_CLOEXEC = 02000000, +#define TFD_CLOEXEC TFD_CLOEXEC + TFD_NONBLOCK = 04000 +#define TFD_NONBLOCK TFD_NONBLOCK + }; + + +/* Bits to be set in the FLAGS parameter of `timerfd_settime'. */ +enum + { + TFD_TIMER_ABSTIME = 1 << 0 +#define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME + }; + + +__BEGIN_DECLS + +/* Return file descriptor for new interval timer source. */ +extern int timerfd_create (clockid_t __clock_id, int __flags) __THROW; + +/* Set next expiration time of interval timer source UFD to UTMR. If + FLAGS has the TFD_TIMER_ABSTIME flag set the timeout value is + absolute. Optionally return the old expiration time in OTMR. */ +extern int timerfd_settime (int __ufd, int __flags, + __const struct itimerspec *__utmr, + struct itimerspec *__otmr) __THROW; + +/* Return the next expiration time of UFD. */ +extern int timerfd_gettime (int __ufd, struct itimerspec *__otmr) __THROW; + +__END_DECLS + +#endif /* sys/timerfd.h */ -- cgit v1.2.3