diff options
Diffstat (limited to 'sysdeps/mach/nanosleep.c')
-rw-r--r-- | sysdeps/mach/nanosleep.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/sysdeps/mach/nanosleep.c b/sysdeps/mach/nanosleep.c deleted file mode 100644 index a932e82cf1..0000000000 --- a/sysdeps/mach/nanosleep.c +++ /dev/null @@ -1,70 +0,0 @@ -/* nanosleep -- sleep for a period specified with a struct timespec - Copyright (C) 2002-2017 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 <errno.h> -#include <mach.h> -#include <sys/time.h> -#include <time.h> -#include <unistd.h> - -int -__libc_nanosleep (const struct timespec *requested_time, - struct timespec *remaining) -{ - mach_port_t recv; - struct timeval before, after; - - if (requested_time->tv_sec < 0 - || requested_time->tv_nsec < 0 - || requested_time->tv_nsec >= 1000000000) - { - errno = EINVAL; - return -1; - } - - const mach_msg_timeout_t ms - = requested_time->tv_sec * 1000 - + (requested_time->tv_nsec + 999999) / 1000000; - - recv = __mach_reply_port (); - - if (remaining && __gettimeofday (&before, NULL) < 0) - return -1; - error_t err = __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT, - 0, 0, recv, ms, MACH_PORT_NULL); - __mach_port_destroy (mach_task_self (), recv); - if (err == EMACH_RCV_INTERRUPTED) - { - if (remaining && __gettimeofday (&after, NULL) >= 0) - { - struct timeval req_time, elapsed, rem; - TIMESPEC_TO_TIMEVAL (&req_time, requested_time); - timersub (&after, &before, &elapsed); - timersub (&req_time, &elapsed, &rem); - TIMEVAL_TO_TIMESPEC (&rem, remaining); - } - - errno = EINTR; - return -1; - } - - return 0; -} -weak_alias(__libc_nanosleep, __nanosleep) -libc_hidden_def (__nanosleep) -weak_alias (__libc_nanosleep, nanosleep) |