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authorStefan Metzmacher <metze@samba.org>2004-05-24 23:01:20 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:56:13 -0500
commitb744493be566d1edcfcc9c4b0d1bfbc271918203 (patch)
tree0281f4e972180c8804112dc85b87af230e09dc8d /source4/lib
parent1f033febfe19d6bb0b45524a672eaf1d1373f15e (diff)
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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.mk1
-rw-r--r--source4/lib/sendfile.c382
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