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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * sendfilev is the native interface : 32 bit app on 32 bit kernel 31 * and 64 bit app on 64 bit kernel. sendfilev64() is used by 32 * 32 bit apps on a 64 bit kernel or 32 bit kernel for large 33 * file offsets. Similar things apply to sendfile. 34 */ 35 36 #pragma weak sendfilev = _sendfilev 37 #pragma weak sendfile = _sendfile 38 39 #include <sys/types.h> 40 #include <sys/syscall.h> 41 #include <sys/sendfile.h> 42 #include <errno.h> 43 44 ssize_t 45 _sendfilev(int sock, const struct sendfilevec *vec, int sfvcnt, size_t *xferred) 46 { 47 sysret_t rval; 48 int error; 49 50 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, sock, vec, 51 sfvcnt, xferred); 52 if (error != 0) { 53 if (error == EINTR && *xferred != 0) { 54 rval.sys_rval1 = *xferred; 55 } else { 56 (void) __set_errno(error); 57 } 58 } 59 return ((ssize_t)rval.sys_rval1); 60 } 61 62 ssize_t 63 _sendfile(int sock, int fd, off_t *off, size_t len) 64 { 65 sysret_t rval; 66 int error; 67 struct sendfilevec sfv; 68 size_t xferred; 69 70 sfv.sfv_fd = fd; 71 sfv.sfv_flag = 0; 72 sfv.sfv_off = *off; 73 sfv.sfv_len = len; 74 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV, sock, &sfv, 75 1, &xferred); 76 *off += xferred; 77 if (error != 0) { 78 if (error == EINTR && xferred != 0) { 79 rval.sys_rval1 = xferred; 80 } else { 81 (void) __set_errno(error); 82 } 83 } 84 return ((ssize_t)rval.sys_rval1); 85 } 86 87 #if (!defined(_LP64)) 88 89 #pragma weak sendfilev64 = _sendfilev64 90 #pragma weak sendfile64 = _sendfile64 91 92 ssize_t 93 _sendfilev64(int sock, const struct sendfilevec64 *vec, int sfvcnt, 94 size_t *xferred) 95 { 96 sysret_t rval; 97 int error; 98 99 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, sock, vec, 100 sfvcnt, xferred); 101 if (error != 0) { 102 if (error == EINTR && *xferred != 0) { 103 rval.sys_rval1 = *xferred; 104 } else { 105 (void) __set_errno(error); 106 } 107 } 108 return ((ssize_t)rval.sys_rval1); 109 } 110 111 ssize_t 112 _sendfile64(int sock, int fd, off64_t *off, size_t len) 113 { 114 sysret_t rval; 115 int error; 116 struct sendfilevec64 sfv; 117 size_t xferred; 118 119 sfv.sfv_fd = fd; 120 sfv.sfv_flag = 0; 121 sfv.sfv_off = *off; 122 sfv.sfv_len = len; 123 error = __systemcall(&rval, SYS_sendfilev, SENDFILEV64, sock, &sfv, 124 1, &xferred); 125 *off += xferred; 126 if (error != 0) { 127 if (error == EINTR && xferred != 0) { 128 rval.sys_rval1 = xferred; 129 } else { 130 (void) __set_errno(error); 131 } 132 } 133 return ((ssize_t)rval.sys_rval1); 134 } 135 #endif 136