| sem.c (125521) | sem.c (149313) |
|---|---|
| 1/* 2 * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>. 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 --- 12 unchanged lines hidden (view full) --- 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * | 1/* 2 * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>. 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 --- 12 unchanged lines hidden (view full) --- 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * |
| 29 * $FreeBSD: head/lib/libc/gen/sem.c 125521 2004-02-06 15:15:44Z deischen $ | 29 * $FreeBSD: head/lib/libc/gen/sem.c 149313 2005-08-20 07:59:13Z stefanf $ |
| 30 */ 31 32/* 33 * Some notes about this implementation. 34 * 35 * This is mostly a simple implementation of POSIX semaphores that 36 * does not need threading. Any semaphore created is a kernel-based 37 * semaphore regardless of the pshared attribute. This is necessary --- 14 unchanged lines hidden (view full) --- 52 * 53 * The function sem_init() should be overridden by a threads 54 * library if it wants to provide a different userland version 55 * of semaphores. The functions sem_wait() and sem_timedwait() 56 * need to be wrapped to provide cancellation points. The function 57 * sem_post() may need to be wrapped to be signal-safe. 58 */ 59#include "namespace.h" | 30 */ 31 32/* 33 * Some notes about this implementation. 34 * 35 * This is mostly a simple implementation of POSIX semaphores that 36 * does not need threading. Any semaphore created is a kernel-based 37 * semaphore regardless of the pshared attribute. This is necessary --- 14 unchanged lines hidden (view full) --- 52 * 53 * The function sem_init() should be overridden by a threads 54 * library if it wants to provide a different userland version 55 * of semaphores. The functions sem_wait() and sem_timedwait() 56 * need to be wrapped to provide cancellation points. The function 57 * sem_post() may need to be wrapped to be signal-safe. 58 */ 59#include "namespace.h" |
| 60#include <sys/types.h> |
|
| 60#include <sys/queue.h> 61#include <errno.h> 62#include <fcntl.h> 63#include <pthread.h> 64#include <semaphore.h> 65#include <stdarg.h> 66#include <stdlib.h> 67#include <time.h> --- 293 unchanged lines hidden --- | 61#include <sys/queue.h> 62#include <errno.h> 63#include <fcntl.h> 64#include <pthread.h> 65#include <semaphore.h> 66#include <stdarg.h> 67#include <stdlib.h> 68#include <time.h> --- 293 unchanged lines hidden --- |