| ftruncate.c (36808) | ftruncate.c (71579) |
|---|---|
| 1/* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. 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 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. | 1/* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. 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 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. |
| 32 * 33 * $FreeBSD: head/lib/libc/sys/ftruncate.c 71579 2001-01-24 13:01:12Z deischen $ |
|
| 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35static char sccsid[] = "@(#)ftruncate.c 8.1 (Berkeley) 6/17/93"; 36#endif /* LIBC_SCCS and not lint */ 37 38#include <sys/types.h> 39#include <sys/syscall.h> 40#include <unistd.h> | 34 */ 35 36#if defined(LIBC_SCCS) && !defined(lint) 37static char sccsid[] = "@(#)ftruncate.c 8.1 (Berkeley) 6/17/93"; 38#endif /* LIBC_SCCS and not lint */ 39 40#include <sys/types.h> 41#include <sys/syscall.h> 42#include <unistd.h> |
| 41#ifdef _THREAD_SAFE 42#include <pthread.h> 43#include "pthread_private.h" 44#endif | |
| 45 46/* 47 * This function provides 64-bit offset padding that 48 * is not supplied by GCC 1.X but is supplied by GCC 2.X. 49 */ 50int 51ftruncate(fd, length) 52 int fd; 53 off_t length; 54{ 55 | 43 44/* 45 * This function provides 64-bit offset padding that 46 * is not supplied by GCC 1.X but is supplied by GCC 2.X. 47 */ 48int 49ftruncate(fd, length) 50 int fd; 51 off_t length; 52{ 53 |
| 56#ifdef _THREAD_SAFE 57 int retval; 58 if (_FD_LOCK(fd, FD_RDWR, NULL) != 0) { 59 retval = -1; 60 } else { 61 retval = __syscall((quad_t)SYS_ftruncate, fd, 0, length); 62 _FD_UNLOCK(fd, FD_RDWR); 63 } 64 return(retval); 65#else | |
| 66 return(__syscall((quad_t)SYS_ftruncate, fd, 0, length)); | 54 return(__syscall((quad_t)SYS_ftruncate, fd, 0, length)); |
| 67#endif | |
| 68} | 55} |