| 1 | /* Helper code for POSIX timer implementation on NPTL. |
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| 2 | Copyright (C) 2000-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public License as |
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| 7 | published by the Free Software Foundation; either version 2.1 of the |
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| 8 | License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; see the file COPYING.LIB. If |
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| 17 | not, see <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef _TIMER_ROUTINES_H |
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| 20 | #define _TIMER_ROUTINES_H 1 |
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| 21 | |
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| 22 | #include <internaltypes.h> |
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| 23 | #include <string.h> |
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| 24 | |
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| 25 | /* Compare two pthread_attr_t thread attributes for exact equality. |
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| 26 | Returns 1 if they are equal, otherwise zero if they are not equal |
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| 27 | or contain illegal values. This version is NPTL-specific for |
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| 28 | performance reason. One could use the access functions to get the |
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| 29 | values of all the fields of the attribute structure. */ |
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| 30 | static inline int |
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| 31 | thread_attr_compare (const pthread_attr_t *left, const pthread_attr_t *right) |
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| 32 | { |
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| 33 | struct pthread_attr *ileft = (struct pthread_attr *) left; |
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| 34 | struct pthread_attr *iright = (struct pthread_attr *) right; |
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| 35 | |
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| 36 | return (ileft->flags == iright->flags |
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| 37 | && ileft->schedpolicy == iright->schedpolicy |
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| 38 | && (ileft->schedparam.sched_priority |
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| 39 | == iright->schedparam.sched_priority) |
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| 40 | && ileft->guardsize == iright->guardsize |
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| 41 | && ileft->stackaddr == iright->stackaddr |
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| 42 | && ileft->stacksize == iright->stacksize |
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| 43 | && ((ileft->cpuset == NULL && iright->cpuset == NULL) |
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| 44 | || (ileft->cpuset != NULL && iright->cpuset != NULL |
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| 45 | && ileft->cpusetsize == iright->cpusetsize |
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| 46 | && memcmp (ileft->cpuset, iright->cpuset, |
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| 47 | ileft->cpusetsize) == 0))); |
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| 48 | } |
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| 49 | |
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| 50 | #endif /* timer_routines.h */ |
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| 51 | |
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