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author | Stefan Metzmacher <metze@samba.org> | 2004-05-24 23:01:20 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 12:56:13 -0500 |
commit | b744493be566d1edcfcc9c4b0d1bfbc271918203 (patch) | |
tree | 0281f4e972180c8804112dc85b87af230e09dc8d /source4/lib | |
parent | 1f033febfe19d6bb0b45524a672eaf1d1373f15e (diff) | |
download | samba-b744493be566d1edcfcc9c4b0d1bfbc271918203.tar.gz samba-b744493be566d1edcfcc9c4b0d1bfbc271918203.tar.bz2 samba-b744493be566d1edcfcc9c4b0d1bfbc271918203.zip |
r862: remove acl and sendfile stuff
it will be readded inside the ntvfs_posix module
metze
(This used to be commit ec624aefa86934da23105a5c014080b464efac28)
Diffstat (limited to 'source4/lib')
-rw-r--r-- | source4/lib/basic.mk | 1 | ||||
-rw-r--r-- | source4/lib/sendfile.c | 382 |
2 files changed, 0 insertions, 383 deletions
diff --git a/source4/lib/basic.mk b/source4/lib/basic.mk index 3a1f127853..865ba7342f 100644 --- a/source4/lib/basic.mk +++ b/source4/lib/basic.mk @@ -14,7 +14,6 @@ ADD_OBJ_FILES = \ lib/replace.o \ lib/signal.o \ lib/system.o \ - lib/sendfile.o \ lib/time.o \ lib/genrand.o \ lib/username.o \ diff --git a/source4/lib/sendfile.c b/source4/lib/sendfile.c deleted file mode 100644 index bcc8cb08ca..0000000000 --- a/source4/lib/sendfile.c +++ /dev/null @@ -1,382 +0,0 @@ -/* - Unix SMB/Netbios implementation. - Version 2.2.x / 3.0.x - sendfile implementations. - Copyright (C) Jeremy Allison 2002. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -/* - * This file handles the OS dependent sendfile implementations. - * The API is such that it returns -1 on error, else returns the - * number of bytes written. - */ - -#include "includes.h" - -#if defined(LINUX_SENDFILE_API) - -#include <sys/sendfile.h> - -#ifndef MSG_MORE -#define MSG_MORE 0x8000 -#endif - -ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count) -{ - size_t total=0; - ssize_t ret; - size_t hdr_len = 0; - - /* - * Send the header first. - * Use MSG_MORE to cork the TCP output until sendfile is called. - */ - - if (header) { - hdr_len = header->length; - while (total < hdr_len) { - ret = sys_send(tofd, header->data + total,hdr_len - total, MSG_MORE); - if (ret == -1) - return -1; - total += ret; - } - } - - total = count; - while (total) { - ssize_t nwritten; - do { -#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_SENDFILE64) - nwritten = sendfile64(tofd, fromfd, &offset, total); -#else - nwritten = sendfile(tofd, fromfd, &offset, total); -#endif - } while (nwritten == -1 && errno == EINTR); - if (nwritten == -1) - return -1; - if (nwritten == 0) - return -1; /* I think we're at EOF here... */ - total -= nwritten; - } - return count + hdr_len; -} - -#elif defined(LINUX_BROKEN_SENDFILE_API) - -/* - * We must use explicit 32 bit types here. This code path means Linux - * won't do proper 64-bit sendfile. JRA. - */ - -extern int32 sendfile (int out_fd, int in_fd, int32 *offset, uint32 count); - - -#ifndef MSG_MORE -#define MSG_MORE 0x8000 -#endif - -ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count) -{ - size_t total=0; - ssize_t ret; - ssize_t hdr_len = 0; - uint32 small_total = 0; - int32 small_offset; - - /* - * Fix for broken Linux 2.4 systems with no working sendfile64(). - * If the offset+count > 2 GB then pretend we don't have the - * system call sendfile at all. The upper layer catches this - * and uses a normal read. JRA. - */ - - if ((sizeof(SMB_OFF_T) >= 8) && (offset + count > (SMB_OFF_T)0x7FFFFFFF)) { - errno = ENOSYS; - return -1; - } - - /* - * Send the header first. - * Use MSG_MORE to cork the TCP output until sendfile is called. - */ - - if (header) { - hdr_len = header->length; - while (total < hdr_len) { - ret = sys_send(tofd, header->data + total,hdr_len - total, MSG_MORE); - if (ret == -1) - return -1; - total += ret; - } - } - - small_total = (uint32)count; - small_offset = (int32)offset; - - while (small_total) { - int32 nwritten; - do { - nwritten = sendfile(tofd, fromfd, &small_offset, small_total); - } while (nwritten == -1 && errno == EINTR); - if (nwritten == -1) - return -1; - if (nwritten == 0) - return -1; /* I think we're at EOF here... */ - small_total -= nwritten; - } - return count + hdr_len; -} - - -#elif defined(SOLARIS_SENDFILE_API) - -/* - * Solaris sendfile code written by Pierre Belanger <belanger@pobox.com>. - */ - -#include <sys/sendfile.h> - -ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count) -{ - int sfvcnt; - size_t total, xferred; - struct sendfilevec vec[2]; - ssize_t hdr_len = 0; - - if (header) { - sfvcnt = 2; - - vec[0].sfv_fd = SFV_FD_SELF; - vec[0].sfv_flag = 0; - vec[0].sfv_off = header->data; - vec[0].sfv_len = hdr_len = header->length; - - vec[1].sfv_fd = fromfd; - vec[1].sfv_flag = 0; - vec[1].sfv_off = offset; - vec[1].sfv_len = count; - - } else { - sfvcnt = 1; - - vec[0].sfv_fd = fromfd; - vec[0].sfv_flag = 0; - vec[0].sfv_off = offset; - vec[0].sfv_len = count; - } - - total = count + hdr_len; - - while (total) { - ssize_t nwritten; - - /* - * Although not listed in the API error returns, this is almost certainly - * a slow system call and will be interrupted by a signal with EINTR. JRA. - */ - - xferred = 0; - -#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_SENDFILEV64) - nwritten = sendfilev64(tofd, vec, sfvcnt, &xferred); -#else - nwritten = sendfilev(tofd, vec, sfvcnt, &xferred); -#endif - if (nwritten == -1 && errno == EINTR) { - if (xferred == 0) - continue; /* Nothing written yet. */ - else - nwritten = xferred; - } - - if (nwritten == -1) - return -1; - if (nwritten == 0) - return -1; /* I think we're at EOF here... */ - - /* - * If this was a short (signal interrupted) write we may need - * to subtract it from the header data, or null out the header - * data altogether if we wrote more than vec[0].sfv_len bytes. - * We move vec[1].* to vec[0].* and set sfvcnt to 1 - */ - - if (sfvcnt == 2 && nwritten >= vec[0].sfv_len) { - vec[1].sfv_off += nwritten - vec[0].sfv_len; - vec[1].sfv_len -= nwritten - vec[0].sfv_len; - - /* Move vec[1].* to vec[0].* and set sfvcnt to 1 */ - vec[0] = vec[1]; - sfvcnt = 1; - } else { - vec[0].sfv_off += nwritten; - vec[0].sfv_len -= nwritten; - } - total -= nwritten; - } - return count + hdr_len; -} - -#elif defined(HPUX_SENDFILE_API) - -#include <sys/socket.h> -#include <sys/uio.h> - -ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count) -{ - size_t total=0; - struct iovec hdtrl[2]; - size_t hdr_len = 0; - - if (header) { - /* Set up the header/trailer iovec. */ - hdtrl[0].iov_base = header->data; - hdtrl[0].iov_len = hdr_len = header->length; - } else { - hdtrl[0].iov_base = NULL; - hdtrl[0].iov_len = hdr_len = 0; - } - hdtrl[1].iov_base = NULL; - hdtrl[1].iov_base = 0; - - total = count; - while (total + hdtrl[0].iov_len) { - ssize_t nwritten; - - /* - * HPUX guarantees that if any data was written before - * a signal interrupt then sendfile returns the number of - * bytes written (which may be less than requested) not -1. - * nwritten includes the header data sent. - */ - - do { -#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_SENDFILE64) - nwritten = sendfile64(tofd, fromfd, offset, total, &hdtrl[0], 0); -#else - nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0); -#endif - } while (nwritten == -1 && errno == EINTR); - if (nwritten == -1) - return -1; - if (nwritten == 0) - return -1; /* I think we're at EOF here... */ - - /* - * If this was a short (signal interrupted) write we may need - * to subtract it from the header data, or null out the header - * data altogether if we wrote more than hdtrl[0].iov_len bytes. - * We change nwritten to be the number of file bytes written. - */ - - if (hdtrl[0].iov_base && hdtrl[0].iov_len) { - if (nwritten >= hdtrl[0].iov_len) { - nwritten -= hdtrl[0].iov_len; - hdtrl[0].iov_base = NULL; - hdtrl[0].iov_len = 0; - } else { - /* iov_base is defined as a void *... */ - hdtrl[0].iov_base = ((char *)hdtrl[0].iov_base) + nwritten; - hdtrl[0].iov_len -= nwritten; - nwritten = 0; - } - } - total -= nwritten; - offset += nwritten; - } - return count + hdr_len; -} - -#elif defined(FREEBSD_SENDFILE_API) - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/uio.h> - -ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count) -{ - size_t total=0; - struct sf_hdtr hdr; - struct iovec hdtrl; - size_t hdr_len = 0; - - hdr.headers = &hdtrl; - hdr.hdr_cnt = 1; - hdr.trailers = NULL; - hdr.trl_cnt = 0; - - /* Set up the header iovec. */ - if (header) { - hdtrl.iov_base = header->data; - hdtrl.iov_len = hdr_len = header->length; - } else { - hdtrl.iov_base = NULL; - hdtrl.iov_len = 0; - } - - total = count; - while (total + hdtrl.iov_len) { - SMB_OFF_T nwritten; - int ret; - - /* - * FreeBSD sendfile returns 0 on success, -1 on error. - * Remember, the tofd and fromfd are reversed..... :-). - * nwritten includes the header data sent. - */ - - do { - ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0); - } while (ret == -1 && errno == EINTR); - if (ret == -1) - return -1; - - if (nwritten == 0) - return -1; /* I think we're at EOF here... */ - - /* - * If this was a short (signal interrupted) write we may need - * to subtract it from the header data, or null out the header - * data altogether if we wrote more than hdtrl.iov_len bytes. - * We change nwritten to be the number of file bytes written. - */ - - if (hdtrl.iov_base && hdtrl.iov_len) { - if (nwritten >= hdtrl.iov_len) { - nwritten -= hdtrl.iov_len; - hdtrl.iov_base = NULL; - hdtrl.iov_len = 0; - } else { - hdtrl.iov_base += nwritten; - hdtrl.iov_len -= nwritten; - nwritten = 0; - } - } - total -= nwritten; - offset += nwritten; - } - return count + hdr_len; -} - -#else /* No sendfile implementation. Return error. */ - -ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count) -{ - /* No sendfile syscall. */ - errno = ENOSYS; - return -1; -} -#endif |