7636b58590
* 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.
43 lines
933 B
C
43 lines
933 B
C
/* fcntl.h
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Copyright 1996, 1998, 2001, 2005, 2006 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _FCNTL_H
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#define _FCNTL_H
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#include <sys/fcntl.h>
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#define O_NDELAY _FNDELAY
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/* sys/fcntl defines values up to 0x40000 (O_NOINHERIT). */
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#define _FDIRECT 0x80000
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#define _FNOFOLLOW 0x100000
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#define O_DIRECT _FDIRECT
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#define O_NOFOLLOW _FNOFOLLOW
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#define O_DSYNC _FSYNC
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#define O_RSYNC _FSYNC
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#define POSIX_FADV_NORMAL 0
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#define POSIX_FADV_SEQUENTIAL 1
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#define POSIX_FADV_RANDOM 2
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#define POSIX_FADV_WILLNEED 3
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#define POSIX_FADV_DONTNEED 4
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#define POSIX_FADV_NOREUSE 5
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int posix_fadvise _PARAMS ((int, off_t, off_t, int));
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extern int posix_fallocate _PARAMS ((int, off_t, off_t));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FCNTL_H */
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