aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/nptl/timer_routines.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/nptl/timer_routines.h')
-rw-r--r--sysdeps/nptl/timer_routines.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/nptl/timer_routines.h b/sysdeps/nptl/timer_routines.h
new file mode 100644
index 0000000..9931015
--- /dev/null
+++ b/sysdeps/nptl/timer_routines.h
@@ -0,0 +1,51 @@
+/* Helper code for POSIX timer implementation on NPTL.
+ Copyright (C) 2000-2018 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/>. */
+
+#ifndef _TIMER_ROUTINES_H
+#define _TIMER_ROUTINES_H 1
+
+#include <internaltypes.h>
+#include <string.h>
+
+/* Compare two pthread_attr_t thread attributes for exact equality.
+ Returns 1 if they are equal, otherwise zero if they are not equal
+ or contain illegal values. This version is NPTL-specific for
+ performance reason. One could use the access functions to get the
+ values of all the fields of the attribute structure. */
+static inline int
+thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right)
+{
+ struct pthread_attr *ileft = (struct pthread_attr *) left;
+ struct pthread_attr *iright = (struct pthread_attr *) right;
+
+ return (ileft->flags == iright->flags
+ && ileft->schedpolicy == iright->schedpolicy
+ && (ileft->schedparam.sched_priority
+ == iright->schedparam.sched_priority)
+ && ileft->guardsize == iright->guardsize
+ && ileft->stackaddr == iright->stackaddr
+ && ileft->stacksize == iright->stacksize
+ && ((ileft->cpuset == NULL && iright->cpuset == NULL)
+ || (ileft->cpuset != NULL && iright->cpuset != NULL
+ && ileft->cpusetsize == iright->cpusetsize
+ && memcmp (ileft->cpuset, iright->cpuset,
+ ileft->cpusetsize) == 0)));
+}
+
+#endif /* timer_routines.h */