1 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * sendfilev is the native interface : 32 bit app on 32 bit kernel 29 * and 64 bit app on 64 bit kernel. sendfilev64() is used by 30 * 32 bit apps on a 64 bit kernel or 32 bit kernel for large 31 * file offsets. Similar things apply to sendfile. 32 */ 33 34 #pragma weak sendfilev = _sendfilev 35 #pragma weak sendfile = _sendfile 36 37 #include <sys/types.h> 38 #include <sys/syscall.h> 39 #include <sys/sendfile.h> 40 #include <errno.h> 41 42 ssize_t 43 _sendfilev(int sock, const struct sendfilevec *vec, int sfvcnt, size_t *xferred) 44 { 45 sysret_t rval; 46 int error; 47 48 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, sock, vec, 49 sfvcnt, xferred); 50 if (error != 0) { 51 if (error == EINTR && *xferred != 0) { 52 rval.sys_rval1 = *xferred; 53 } else { 54 (void) __set_errno(error); 55 } 56 } 57 return ((ssize_t)rval.sys_rval1); 58 } 59 60 ssize_t 61 _sendfile(int sock, int fd, off_t *off, size_t len) 62 { 63 sysret_t rval; 64 int error; 65 struct sendfilevec sfv; 66 size_t xferred; 67 68 sfv.sfv_fd = fd; 69 sfv.sfv_flag = 0; 70 sfv.sfv_off = *off; 71 sfv.sfv_len = len; 72 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, sock, &sfv, 73 1, &xferred); 74 *off += xferred; 75 if (error != 0) { 76 if (error == EINTR && xferred != 0) { 77 rval.sys_rval1 = xferred; 78 } else { 79 (void) __set_errno(error); 80 } 81 } 82 return ((ssize_t)rval.sys_rval1); 83 } 84 85 #if (!defined(_LP64)) 86 87 #pragma weak sendfilev64 = _sendfilev64 88 #pragma weak sendfile64 = _sendfile64 89 90 ssize_t 91 _sendfilev64(int sock, const struct sendfilevec64 *vec, int sfvcnt, 92 size_t *xferred) 93 { 94 sysret_t rval; 95 int error; 96 97 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, sock, vec, 98 sfvcnt, xferred); 99 if (error != 0) { 100 if (error == EINTR && *xferred != 0) { 101 rval.sys_rval1 = *xferred; 102 } else { 103 (void) __set_errno(error); 104 } 105 } 106 return ((ssize_t)rval.sys_rval1); 107 } 108 109 ssize_t 110 _sendfile64(int sock, int fd, off64_t *off, size_t len) 111 { 112 sysret_t rval; 113 int error; 114 struct sendfilevec64 sfv; 115 size_t xferred; 116 117 sfv.sfv_fd = fd; 118 sfv.sfv_flag = 0; 119 sfv.sfv_off = *off; 120 sfv.sfv_len = len; 121 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, sock, &sfv, 122 1, &xferred); 123 *off += xferred; 124 if (error != 0) { 125 if (error == EINTR && xferred != 0) { 126 rval.sys_rval1 = xferred; 127 } else { 128 (void) __set_errno(error); 129 } 130 } 131 return ((ssize_t)rval.sys_rval1); 132 } 133 #endif 134