diff options
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/configure.in | 18 | ||||
| -rw-r--r-- | source3/lib/sendfile.c | 87 | ||||
| -rwxr-xr-x | source3/wscript | 15 |
3 files changed, 0 insertions, 120 deletions
diff --git a/source3/configure.in b/source3/configure.in index f2885d2ef4..c521e2e9f8 100644 --- a/source3/configure.in +++ b/source3/configure.in @@ -5484,28 +5484,10 @@ ssize_t nwritten = sendfile(tofd, fromfd, &offset, total); ], samba_cv_HAVE_SENDFILE=yes,samba_cv_HAVE_SENDFILE=no)]) -# Try and cope with broken Linux sendfile.... - AC_CACHE_CHECK([for broken linux sendfile support],samba_cv_HAVE_BROKEN_LINUX_SENDFILE,[ - AC_TRY_LINK([\ -#if defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64) -#undef _FILE_OFFSET_BITS -#endif -#include <sys/sendfile.h>], -[\ -int tofd, fromfd; -off_t offset; -size_t total; -ssize_t nwritten = sendfile(tofd, fromfd, &offset, total); -], -samba_cv_HAVE_BROKEN_LINUX_SENDFILE=yes,samba_cv_HAVE_BROKEN_LINUX_SENDFILE=no)]) - if test x"$samba_cv_HAVE_SENDFILE" = x"yes"; then AC_DEFINE(HAVE_SENDFILE,1,[Whether sendfile() is available]) AC_DEFINE(LINUX_SENDFILE_API,1,[Whether linux sendfile() API is available]) AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile() should be used]) - elif test x"$samba_cv_HAVE_BROKEN_LINUX_SENDFILE" = x"yes"; then - AC_DEFINE(LINUX_BROKEN_SENDFILE_API,1,[Whether (linux) sendfile() is broken]) - AC_DEFINE(WITH_SENDFILE,1,[Whether sendfile should be used]) else AC_MSG_RESULT(no); fi diff --git a/source3/lib/sendfile.c b/source3/lib/sendfile.c index a9607fa825..196ef6889b 100644 --- a/source3/lib/sendfile.c +++ b/source3/lib/sendfile.c @@ -89,93 +89,6 @@ ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, off_t offset 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, 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(off_t) >= 8) && (offset + count > (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); -#if defined(EWOULDBLOCK) - } while (nwritten == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)); -#else - } while (nwritten == -1 && (errno == EINTR || errno == EAGAIN)); -#endif - if (nwritten == -1) { - if (errno == ENOSYS || errno == EINVAL) { - /* Ok - we're in a world of pain here. We just sent - * the header, but the sendfile failed. We have to - * emulate the sendfile at an upper layer before we - * disable it's use. So we do something really ugly. - * We set the errno to a strange value so we can detect - * this at the upper level and take care of it without - * layer violation. JRA. - */ - errno = EINTR; /* Normally we can never return this. */ - } - return -1; - } - if (nwritten == 0) { - /* - * EOF, return a short read - */ - return hdr_len + (((uint32)count) - small_total); - } - small_total -= nwritten; - } - return count + hdr_len; -} - - #elif defined(SOLARIS_SENDFILE_API) /* diff --git a/source3/wscript b/source3/wscript index 02773c0350..4710d8059f 100755 --- a/source3/wscript +++ b/source3/wscript @@ -961,25 +961,10 @@ main() { headers='sys/sendfile.h', msg='Checking for linux sendfile support') - # Try and cope with broken Linux sendfile.... - conf.CHECK_CODE('''#if defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64) - #undef _FILE_OFFSET_BITS - #endif - #include <sys/sendfile.h> - int tofd, fromfd; - off_t offset; - size_t total; - ssize_t nwritten = sendfile(tofd, fromfd, &offset, total); - ''', - '_HAVE_BROKEN_LINUX_SENDFILE', - msg='Checking for broken linux sendfile support') if conf.CONFIG_SET('_HAVE_SENDFILE'): conf.DEFINE('HAVE_SENDFILE', '1') conf.DEFINE('LINUX_SENDFILE_API', '1') conf.DEFINE('WITH_SENDFILE', '1') - elif conf.CONFIG_SET('_HAVE_BROKEN_LINUX_SENDFILE'): - conf.DEFINE('LINUX_BROKEN_SENDFILE_API', '1') - conf.DEFINE('WITH_SENDFILE', '1') elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1): conf.CHECK_CODE(''' #include <sys/types.h> |