लिनक्स/linux-0.01.tar/include/fcntl.h
दिखावट
< लिनक्स | linux-0.01.tar
#ifndef _FCNTL_H #define _FCNTL_H #include <sys/types.h> /* open/fcntl - NOCTTY, NDELAY isn't implemented yet */ #define O_ACCMODE 00003 #define O_RDONLY 00 #define O_WRONLY 01 #define O_RDWR 02 #define O_CREAT 00100 /* not fcntl */ #define O_EXCL 00200 /* not fcntl */ #define O_NOCTTY 00400 /* not fcntl */ #define O_TRUNC 01000 /* not fcntl */ #define O_APPEND 02000 #define O_NONBLOCK 04000 /* not fcntl */ #define O_NDELAY O_NONBLOCK /* Defines for fcntl-commands. Note that currently * locking isn't supported, and other things aren't really * tested. */ #define F_DUPFD 0 /* dup */ #define F_GETFD 1 /* get f_flags */ #define F_SETFD 2 /* set f_flags */ #define F_GETFL 3 /* more flags (cloexec) */ #define F_SETFL 4 #define F_GETLK 5 /* not implemented */ #define F_SETLK 6 #define F_SETLKW 7 /* for F_[GET|SET]FL */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* Ok, these are locking features, and aren't implemented at any * level. POSIX wants them. */ #define F_RDLCK 0 #define F_WRLCK 1 #define F_UNLCK 2 /* Once again - not implemented, but ... */ struct flock { short l_type; short l_whence; off_t l_start; off_t l_len; pid_t l_pid; }; extern int creat(const char * filename,mode_t mode); extern int fcntl(int fildes,int cmd, ...); extern int open(const char * filename, int flags, ...); #endif