glibc/sysdeps/mach/usleep.c
Ulrich Drepper 7287c36dd8 Update.
* conform/conformtest.pl: Run Unix tests for XPG6.
	Implement handling of known namespace violations.
	Improve printing of results.

	* posix/unistd.h (usleep): Correct return type.
	* sysdeps/unix/sysv/linux/usleep.c: Correct return type.
	* sysdeps/unix/bsd/usleep.c: Correct return type.
	* sysdeps/mach/usleep.c: Correct return type.
	* sysdeps/generic/usleep.c: Correct return type.

	* posix/unistd.h (sync): Correct return type.
	* sysdeps/generic/sync.c: Likewise.
	* sysdeps/mach/hurd/sync.c: Likewise.

	* sysdeps/generic/bits/confname.h (_SC_IOV_MAX): New definition.
2001-01-25 09:33:04 +00:00

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1.5 KiB
C

/* Copyright (C) 1992, 93, 94, 97, 98, 99, 2001 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <mach.h>
#include <sys/time.h>
#include <unistd.h>
/* Sleep USECONDS microseconds, or until a previously set timer goes off. */
int
usleep (useconds_t useconds)
{
mach_port_t recv;
struct timeval before, after;
recv = __mach_reply_port ();
if (__gettimeofday (&before, NULL) < 0)
return -1;
(void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
0, 0, recv, (useconds + 999) / 1000, MACH_PORT_NULL);
__mach_port_destroy (mach_task_self (), recv);
if (__gettimeofday (&after, NULL) < 0)
return -1;
return 0;
}