apps/include/fcntl.h

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   4
   5     This program is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU Lesser General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU Lesser General Public License for more details.
  14
  15     You should have received a copy of the GNU Lesser General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef _FCNTL_H_
  20 #define _FCNTL_H_
  21
  22 #include <sys/types.h>
  23
  24 #define R_OK 4 // Test for read permission
  25 #define W_OK 2 // Test for write permission
  26 #define X_OK 1 // Test for execute permission
  27 #define F_OK 0 // Test for existence
  28
  29 #ifndef SEEK_SET
  30   #define SEEK_SET 0 // Seek from beginning of file
  31   #define SEEK_CUR 1 // Seek from current position
  32   #define SEEK_END 2 // Seek from end of file
  33 #endif
  34
  35 #define O_RDONLY   1
  36 #define O_WRONLY   2
  37 #define O_RDWR     3
  38 #define O_CREAT    4
  39 #define O_EXCL     8
  40 #define O_NOCTTY   16
  41 #define O_TRUNC    32
  42 #define O_APPEND   64
  43 #define O_NONBLOCK 128
  44 #define O_SYNC     256
  45 #define O_ACCMODE  3
  46
  47 #define F_RDLCK 1
  48 #define F_UNLCK 2
  49 #define F_WRLCK 3
  50
  51 #define F_DUPFD   1
  52 #define F_GETFD   2
  53 #define F_SETFD   3
  54 #define F_GETFL   4
  55 #define F_SETFL   5
  56 #define F_GETLK   6
  57 #define F_SETLK   7
  58 #define F_SETLKW  8
  59 #define F_GETOWN  9
  60 #define F_SETOWN 10
  61
  62 #define FD_CLOEXEC 1
  63
  64 struct flock {
  65   short l_type;
  66   short l_whence;
  67   off_t l_start;
  68   off_t l_len;
  69   pid_t l_pid;
  70 };
  71
  72 int fcntl(int fildes,int cmd,...);
  73 int open(const char *path,int oflag,...);
  74
  75 static inline int creat(const char *path,mode_t mode) {
  76   return open(path,O_WRONLY|O_CREAT|O_TRUNC,mode);
  77 }
  78
  79 #endif