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- /* Copyright (C) 1992, 1993, 1994 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., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <signal.h>
- #include <time.h>
- #include <unistd.h>
- #include <mach.h>
-
- /* Make the process sleep for SECONDS seconds, or until a signal arrives
- and is not ignored. The function returns the number of seconds less
- than SECONDS which it actually slept (zero if it slept the full time).
- There is no return value to indicate error, but if `sleep' returns
- SECONDS, it probably didn't work. */
- unsigned int
- DEFUN(sleep, (seconds), unsigned int seconds)
- {
- time_t before, after;
- mach_port_t recv;
-
- recv = __mach_reply_port ();
-
- before = time ((time_t *) NULL);
- (void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
- 0, 0, recv, seconds * 1000, MACH_PORT_NULL);
- after = time ((time_t *) NULL);
- __mach_port_destroy (__mach_task_self (), recv);
-
- return seconds - (after - before);
- }
-