| thr_setschedparam.c (125968) | thr_setschedparam.c (129484) |
|---|---|
| 1/* 2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * | 1/* 2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * |
| 32 * $FreeBSD: head/lib/libthr/thread/thr_setschedparam.c 125968 2004-02-18 15:26:00Z mtm $ | 32 * $FreeBSD: head/lib/libthr/thread/thr_setschedparam.c 129484 2004-05-20 12:06:16Z mtm $ |
| 33 */ 34#include <errno.h> 35#include <sys/param.h> 36#include <pthread.h> 37#include <stdlib.h> 38#include "thr_private.h" 39 40__weak_reference(_pthread_getschedparam, pthread_getschedparam); --- 30 unchanged lines hidden (view full) --- 71 return (ESRCH); 72 73 /* 74 * If the pthread is waiting on a mutex grab it now. Doing it now 75 * even though we do not need it immediately greatly simplifies the 76 * LOR avoidance code. 77 */ 78 do { | 33 */ 34#include <errno.h> 35#include <sys/param.h> 36#include <pthread.h> 37#include <stdlib.h> 38#include "thr_private.h" 39 40__weak_reference(_pthread_getschedparam, pthread_getschedparam); --- 30 unchanged lines hidden (view full) --- 71 return (ESRCH); 72 73 /* 74 * If the pthread is waiting on a mutex grab it now. Doing it now 75 * even though we do not need it immediately greatly simplifies the 76 * LOR avoidance code. 77 */ 78 do { |
| 79 _thread_critical_enter(pthread); 80 if (pthread->state == PS_MUTEX_WAIT) { | 79 PTHREAD_LOCK(pthread); 80 if ((pthread->flags & PTHREAD_FLAGS_IN_MUTEXQ) != 0) { |
| 81 mtx = pthread->data.mutex; 82 if (_spintrylock(&mtx->lock) == EBUSY) | 81 mtx = pthread->data.mutex; 82 if (_spintrylock(&mtx->lock) == EBUSY) |
| 83 _thread_critical_exit(pthread); | 83 PTHREAD_UNLOCK(pthread); |
| 84 else 85 break; 86 } else { 87 break; 88 } 89 } while (1); 90 91 PTHREAD_ASSERT(pthread->active_priority >= pthread->inherited_priority, --- 18 unchanged lines hidden (view full) --- 110 * mutexes this thread is waiting on and its position in the 111 * queue. 112 */ 113 pthread->active_priority = param->sched_priority; 114 readjust_priorities(pthread, mtx); 115 116 } 117 pthread->attr.sched_policy = policy; | 84 else 85 break; 86 } else { 87 break; 88 } 89 } while (1); 90 91 PTHREAD_ASSERT(pthread->active_priority >= pthread->inherited_priority, --- 18 unchanged lines hidden (view full) --- 110 * mutexes this thread is waiting on and its position in the 111 * queue. 112 */ 113 pthread->active_priority = param->sched_priority; 114 readjust_priorities(pthread, mtx); 115 116 } 117 pthread->attr.sched_policy = policy; |
| 118 _thread_critical_exit(pthread); | 118 PTHREAD_UNLOCK(pthread); |
| 119 if (mtx != NULL) 120 _SPINUNLOCK(&mtx->lock); 121 return(0); 122} | 119 if (mtx != NULL) 120 _SPINUNLOCK(&mtx->lock); 121 return(0); 122} |