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author | Roland McGrath <roland@gnu.org> | 2002-06-05 08:56:41 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2002-06-05 08:56:41 +0000 |
commit | 7db20e36c819dc7b5973f724da43b778321ea62e (patch) | |
tree | c955fdbff29c041d481f090d345cbe4fff7b0636 /sysdeps/mach/nanosleep.c | |
parent | 17d7201a97152b459fad11291de16cf0e6485cfa (diff) | |
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* io/Makefile (routines): Add sendfile and sendfile64.
(headers): Add sys/sendfile.h to the list.
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Don't add it here.
* sysdeps/unix/sysv/linux/sys/sendfile.h: Moved to ...
* io/sys/sendfile.h: ... here.
* sysdeps/generic/sendfile.c: New file.
* sysdeps/generic/sendfile64.c: New file.
* sysdeps/unix/sysv/linux/Versions (GLIBC_2.1, GLIBC_2.3):
Move sendfile, sendfile64 to ...
* io/Versions (GLIBC_2.1, GLIBC_2.3): ... here.
* sysdeps/mach/hurd/sendfile.c: New file.
* sysdeps/mach/hurd/sendfile64.c: New file.
* sysdeps/mach/nanosleep.c: New file.
Diffstat (limited to 'sysdeps/mach/nanosleep.c')
-rw-r--r-- | sysdeps/mach/nanosleep.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/mach/nanosleep.c b/sysdeps/mach/nanosleep.c new file mode 100644 index 0000000000..8484a99001 --- /dev/null +++ b/sysdeps/mach/nanosleep.c @@ -0,0 +1,53 @@ +/* nanosleep -- sleep for a period specified with a struct timespec + Copyright (C) 2002 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, 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> + +int +__nanosleep (const struct timespec *requested_time, + struct timespec *remaining) +{ + mach_port_t recv; + struct timeval before, after; + 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; + (void) __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 (remaining && __gettimeofday (&after, NULL) < 0) + return -1; + + if (remaining) + { + timersub (&after, &before, &after); + TIMEVAL_TO_TIMESPEC (&after, remaining); + } + + return 0; +} +weak_alias (__nanosleep, nanosleep) |