diff options
Diffstat (limited to 'sysdeps/nptl')
-rw-r--r-- | sysdeps/nptl/timer_routines.h | 51 |
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 0000000000..9931015684 --- /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 */ |