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| author | Corinna Vinschen <corinna@vinschen.de> | 2006-08-07 19:29:14 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2006-08-07 19:29:14 +0000 |
| commit | 7636b58590621af3c341c3eb37a017e0e6598d3f (patch) | |
| tree | 7105f91a629f9f9d14224b6405442cf841cf875f /winsup/cygwin/pipe.cc | |
| parent | 76ddec15abf7557374341c96f999b4965bc10d8d (diff) | |
| download | cygnal-7636b58590621af3c341c3eb37a017e0e6598d3f.tar.gz cygnal-7636b58590621af3c341c3eb37a017e0e6598d3f.tar.bz2 cygnal-7636b58590621af3c341c3eb37a017e0e6598d3f.zip | |
* autoload.cc (NtSetInformationFile): Define.
* cygwin.din: Export posix_fadvise and posix_fallocate.
* fhandler.cc (fhandler_base::fadvise): New method.
(fhandler_base::ftruncate): Add allow_truncate parameter.
* fhandler.h (class fhandler_base): Add fadvise method. Accomodate
new parameter to ftruncate.
(class fhandler_pipe): Add fadvise and ftruncate methods.
(class fhandler_disk_file): Add fadvise method. Accomodate new
parameter to ftruncate.
* fhandler_disk_file.cc (fhandler_disk_file::fadvise): New method.
(fhandler_disk_file::ftruncate): Accomodate new allow_truncate
parameter. Set EOF using NtSetInformationFile on NT.
* ntdll.h (struct _FILE_END_OF_FILE_INFORMATION): Define.
(NtSetInformationFile): Declare.
* pipe.cc (fhandler_pipe::fadvise): New method.
(fhandler_pipe::ftruncate): Ditto.
* syscalls.cc (posix_fadvise): New function.
(posix_fallocate): Ditto.
(ftruncate64): Accomodate second parameter to fhandler's ftruncate
method.
* include/fcntl.h: Add POSIX_FADV_* flags. Add declarations of
posix_fadvise and posix_fallocate.
* include/cygwin/version.h: Bump API minor number.
Diffstat (limited to 'winsup/cygwin/pipe.cc')
| -rw-r--r-- | winsup/cygwin/pipe.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc index a6171f2f9..d56b32aff 100644 --- a/winsup/cygwin/pipe.cc +++ b/winsup/cygwin/pipe.cc @@ -151,6 +151,20 @@ fhandler_pipe::lseek (_off64_t offset, int whence) return -1; } +int +fhandler_pipe::fadvise (_off64_t offset, _off64_t length, int advice) +{ + set_errno (ESPIPE); + return -1; +} + +int +fhandler_pipe::ftruncate (_off64_t length, bool allow_truncate) +{ + set_errno (allow_truncate ? EINVAL : ESPIPE); + return -1; +} + void fhandler_pipe::set_close_on_exec (bool val) { |