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authorRoland McGrath <roland@gnu.org>2002-06-05 08:56:41 +0000
committerRoland McGrath <roland@gnu.org>2002-06-05 08:56:41 +0000
commit7db20e36c819dc7b5973f724da43b778321ea62e (patch)
treec955fdbff29c041d481f090d345cbe4fff7b0636 /sysdeps/mach/nanosleep.c
parent17d7201a97152b459fad11291de16cf0e6485cfa (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.c53
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)