| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1992-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <signal.h> |
| 19 | #include <time.h> |
| 20 | #include <unistd.h> |
| 21 | #include <mach.h> |
| 22 | |
| 23 | /* Make the process sleep for SECONDS seconds, or until a signal arrives |
| 24 | and is not ignored. The function returns the number of seconds less |
| 25 | than SECONDS which it actually slept (zero if it slept the full time). |
| 26 | There is no return value to indicate error, but if `sleep' returns |
| 27 | SECONDS, it probably didn't work. */ |
| 28 | unsigned int |
| 29 | __sleep (unsigned int seconds) |
| 30 | { |
| 31 | time_t before, after; |
| 32 | mach_port_t recv; |
| 33 | |
| 34 | recv = __mach_reply_port (); |
| 35 | |
| 36 | before = time ((time_t *) NULL); |
| 37 | (void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT, |
| 38 | 0, 0, recv, seconds * 1000, MACH_PORT_NULL); |
| 39 | after = time ((time_t *) NULL); |
| 40 | __mach_port_destroy (__mach_task_self (), recv); |
| 41 | |
| 42 | return seconds - (after - before); |
| 43 | } |
| 44 | weak_alias (__sleep, sleep) |