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authorRoland McGrath <roland@gnu.org>2002-06-11 23:04:51 +0000
committerRoland McGrath <roland@gnu.org>2002-06-11 23:04:51 +0000
commit337738b77123cbfed07d53c9408eb74109856d0a (patch)
treeb5eba5547489c0efef99967e7f427f4ae4b4e727 /sysdeps/mach/hurd/sendfile.c
parent522c33f6bb802f6bf7840c78a5805b6929fd3ccd (diff)
downloadglibc-337738b77123cbfed07d53c9408eb74109856d0a.tar.gz
* sysdeps/mach/hurd/xstat64.c: Conditionalize entire contents of the
file on [!RTLD_STAT64]. * sysdeps/mach/hurd/fxstat64.c: Likewise. * sysdeps/mach/hurd/tmpfile.c (tmpfile64): Define as alias of tmpfile. (__fdopen): Use INTUSE. * sysdeps/mach/hurd/tmpfile64.c: New file, empty placeholder. * stdio-common/tmpfile64.c: File removed. * sysdeps/generic/tmpfile64.c: New file. * sysdeps/generic/tmpfile.c (GEN_THIS): New macro, define to __GT_FILE if not already defined. (tmpfile): Use it in place of __GT_FILE. * include/unistd.h: Declare __chown_internal. * sysdeps/mach/hurd/sendfile64.c (sendfile64): Do real work here. * sysdeps/mach/hurd/sendfile.c (sendfile): Call that. 2002-06-09 Roland McGrath <roland@frob.com> Update to new Hurd RPC interfaces supporting 64-bit file sizes. * sysdeps/mach/hurd/configure.in: Check for <hurd/version.h> with value of HURD_INTERFACE_VERSION >= 20020609. * sysdeps/mach/hurd/configure: Regenerated. * shlib-versions (.*-.*-gnu-gnu.*): Set libhurduser=0.3. * sysdeps/mach/hurd/xstatconv.c (xstat64_conv): Rewritten to convert a struct stat64 into a struct stat and return 0 or -1 with errno set to EOVERFLOW. * sysdeps/mach/hurd/statfsconv.c (statfs64_conv): Likewise for struct statfs64 to struct statfs. * sysdeps/mach/hurd/xstat.c (__xstat): Use converter and call ... * sysdeps/mach/hurd/xstat64.c (__xstat64): ... this, real work here. * sysdeps/mach/hurd/fxstat.c (__fxstat): Likewise. * sysdeps/mach/hurd/fxstat64.c (__fxstat64): Likewise. * sysdeps/mach/hurd/lxstat.c (__lxstat): Likewise. * sysdeps/mach/hurd/lxstat64.c (__lxstat64): Likewise. * sysdeps/mach/hurd/statfs.c (__statfs): Likewise. * sysdeps/mach/hurd/statfs64.c (__statfs64): Likewise. * sysdeps/mach/hurd/fstatfs.c (__fstatfs): Likewise. * sysdeps/mach/hurd/fstatfs64.c (__fstatfs64): Likewise. * sysdeps/mach/hurd/pwrite64.c (__libc_pwrite64): Do real work here. * sysdeps/mach/hurd/pwrite.c (__libc_pwrite): Call that. * sysdeps/mach/hurd/pread64.c (__libc_pread64): Do real work here. * sysdeps/mach/hurd/pread.c (__libc_pread): Call that. * sysdeps/mach/hurd/lseek64.c (__libc_lseek64): Do real work here. * sysdeps/mach/hurd/lseek.c (__libc_lseek): Call that. * sysdeps/mach/hurd/readdir64.c (__readdir64): Do real work here. * sysdeps/mach/hurd/readdir.c (__readdir): Call that. * sysdeps/mach/hurd/readdir64_r.c (__readdir64_r): Do real work here. * sysdeps/mach/hurd/readdir_r.c (__readdir64_r): Call that. * hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Use struct stat64 for io_stat argument. * sysdeps/mach/hurd/readlink.c (__readlink): Likewise. * hurd/fopenport.c (seekio): Remove EOVERFLOW check, pass POS directly to io_seek. * hurd/fd-read.c (_hurd_fd_read): Use loff_t for OFFSET argument. * hurd/fd-write.c (_hurd_fd_write): Likewise. * hurd/hurd/fd.h: Update decls. * sysdeps/mach/hurd/getcwd.c (_hurd_canonicalize_directory_name_internal): Use ino64_t and struct dirent64. * sysdeps/mach/hurd/dl-sysdep.c (open_file): Use struct stat64. (__xstat): Renamed to __xstat64, use struct stat64 for argument. (__fxstat): Renamed to __fxstat64, use struct stat64 for argument. (__lseek): Renamed to __libc_lseek64, use off64_t for argument. 2002-06-08 Roland McGrath <roland@frob.com> * sysdeps/mach/hurd/dirstream.h (struct __dirstream): Use size_t instead of unsigned long int for __allocation and __size members. 2002-05-19 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'sysdeps/mach/hurd/sendfile.c')
-rw-r--r--sysdeps/mach/hurd/sendfile.c39
1 files changed, 8 insertions, 31 deletions
diff --git a/sysdeps/mach/hurd/sendfile.c b/sysdeps/mach/hurd/sendfile.c
index b1849d2bf9..683365fc03 100644
--- a/sysdeps/mach/hurd/sendfile.c
+++ b/sysdeps/mach/hurd/sendfile.c
@@ -18,43 +18,20 @@
02111-1307 USA. */
#include <sys/sendfile.h>
-#include <hurd.h>
-#include <hurd/fd.h>
-#include <sys/mman.h>
+#include <stddef.h>
/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to
descriptor OUT_FD. */
ssize_t
sendfile (int out_fd, int in_fd, off_t *offset, size_t count)
{
- /* We just do a vanilla io_read followed by a vanilla io_write here.
- In theory the IN_FD filesystem can return us out-of-line data that
- we then send out-of-line to the OUT_FD filesystem and no copying
- takes place until those pages need to be flushed or packaged by
- that filesystem (e.g. packetized by a network socket). However,
- we momentarily consume COUNT bytes of our local address space,
- which might blow if it's huge or address space is real tight. */
-
- char *data = 0;
- size_t datalen = 0;
- error_t err = HURD_DPORT_USE (in_fd,
- __io_read (port, &data, &datalen,
- offset ? *offset : (off_t) -1,
- count));
- if (err == 0)
+ if (offset == NULL || sizeof (off_t) == sizeof (off64_t))
+ return sendfile64 (out_fd, in_fd, (off64_t *) offset, count);
+ else
{
- size_t nwrote;
- if (datalen == 0)
- return 0;
- err = HURD_DPORT_USE (out_fd, __io_write (port, data, datalen,
- (off_t) -1, &nwrote));
- munmap (data, datalen);
- if (err == 0)
- {
- if (offset)
- *offset += datalen;
- return nwrote;
- }
+ off64_t ofs = *offset;
+ ssize_t ret = sendfile64 (out_fd, in_fd, &ofs, count);
+ *offset = ofs;
+ return ret;
}
- return __hurd_fail (err);
}