81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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fcntl.h
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File control options.
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*******************************************************************************/
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/* TODO: POSIX-1.2008 compliance is only partial */
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#ifndef INCLUDE_FCNTL_H
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#define INCLUDE_FCNTL_H
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#include <sys/cdefs.h>
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#include <sys/__/types.h>
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#include <sortix/fcntl.h>
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#include <sortix/seek.h>
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#include <sys/stat.h>
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__BEGIN_DECLS
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/* The kernel would like to simply deal with one bit for each base access mode,
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but using the traditional names O_RDONLY, O_WRONLY and O_RDWR for this would
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be weird, so it uses O_READ and O_WRITE bits instead. However, we provide the
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traditional names here instead to remain compatible. */
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#define O_RDONLY O_READ
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#define O_WRONLY O_WRITE
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#define O_RDWR (O_READ | O_WRITE)
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/* Backwards compatibility with existing systems that call it O_CREAT. */
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#define O_CREAT O_CREATE
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/* Compatibility with Linux and other systems that have this. */
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#define O_ACCMODE (O_READ | O_WRITE | O_EXEC | O_SEARCH)
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/* TODO: F_* missing here */
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/* TODO: F_RDLCK, F_UNLCK, F_WRLCK missing here */
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/* TODO: AT_SYMLINK_FOLLOW missing here */
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/* TODO: POSIX_FADV_* missing here */
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@include(pid_t.h)
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struct flock
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{
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short l_type; /* Type of lock; F_RDLCK, F_WRLCK, F_UNLCK. */
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short l_whence; /* Type of lock; F_RDLCK, F_WRLCK, F_UNLCK. */
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off_t l_start; /* Relative offset in bytes. */
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off_t l_len; /* Size; if 0 then until EOF. */
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pid_t l_pid; /* Process ID of the process holding the lock; returned with F_GETLK. */
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};
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int creat(const char* path, mode_t mode);
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int fcntl(int fd, int cmd, ...);
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int open(const char* path, int oflag, ...);
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int openat(int fd, const char* path, int oflag, ...);
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__END_DECLS
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#endif
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