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authorWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
committerWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
commite1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a (patch)
tree2c8d14e4dcc733f4227f0984ed05da5826b13acd /libpthread/linuxthreads/sysdeps/pthread/timer_gettime.c
parent6b6ede3d15f04fe825cfa9f697507457e3640344 (diff)
Revert "resolve merge"
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/pthread/timer_gettime.c')
-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/timer_gettime.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/timer_gettime.c b/libpthread/linuxthreads/sysdeps/pthread/timer_gettime.c
new file mode 100644
index 000000000..6bd2b84e2
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/pthread/timer_gettime.c
@@ -0,0 +1,76 @@
+/* Copyright (C) 2000, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
+
+ 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; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <pthread.h>
+#include <time.h>
+
+#include "posix-timer.h"
+
+
+/* Get current value of timer TIMERID and store it in VLAUE. */
+int
+timer_gettime (timerid, value)
+ timer_t timerid;
+ struct itimerspec *value;
+{
+ struct timer_node *timer;
+ struct timespec now, expiry;
+ int retval = -1, armed = 0, valid;
+ clock_t clock = 0;
+
+ pthread_mutex_lock (&__timer_mutex);
+
+ timer = timer_id2ptr (timerid);
+ valid = timer_valid (timer);
+
+ if (valid) {
+ armed = timer->armed;
+ expiry = timer->expirytime;
+ clock = timer->clock;
+ value->it_interval = timer->value.it_interval;
+ }
+
+ pthread_mutex_unlock (&__timer_mutex);
+
+ if (valid)
+ {
+ if (armed)
+ {
+ clock_gettime (clock, &now);
+ if (timespec_compare (&now, &expiry) < 0)
+ timespec_sub (&value->it_value, &expiry, &now);
+ else
+ {
+ value->it_value.tv_sec = 0;
+ value->it_value.tv_nsec = 0;
+ }
+ }
+ else
+ {
+ value->it_value.tv_sec = 0;
+ value->it_value.tv_nsec = 0;
+ }
+
+ retval = 0;
+ }
+ else
+ __set_errno (EINVAL);
+
+ return retval;
+}