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Diffstat (limited to 'REORG.TODO/sysdeps/mach/sleep.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/sleep.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/sleep.c b/REORG.TODO/sysdeps/mach/sleep.c new file mode 100644 index 0000000000..260280ce34 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/sleep.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1992-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#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 +__sleep (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); +} +weak_alias (__sleep, sleep) |