57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
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#ifndef SYS_LINUX_FCNTL_H_
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#define SYS_LINUX_FCNTL_H_
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#include <sys/types.h>
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struct flock
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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off_t l_start; /* Offset where the lock begins. */
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off_t l_len; /* Size of the locked area; zero means until EOF. */
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pid_t l_pid; /* Process holding the lock. */
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};
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struct flock64
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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off64_t l_start; /* Offset where the lock begins. */
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off64_t l_len; /* Size of the locked area; zero means until EOF. */
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pid_t l_pid; /* Process holding the lock. */
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};
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#define O_ACCMODE 0003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#define O_CREAT 0100 /* Not fcntl. */
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#define O_EXCL 0200 /* Not fcntl. */
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#define O_NOCTTY 0400 /* Not fcntl. */
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#define O_TRUNC 01000 /* Not fcntl. */
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#define O_APPEND 02000
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#define O_NONBLOCK 04000
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#define O_NDELAY O_NONBLOCK
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#define O_SYNC 04010000
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#define O_FSYNC O_SYNC
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#define O_ASYNC 020000
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#define O_LARGEFILE 0100000
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#define O_DIRECTORY 0200000
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#define O_NOFOLLOW 0400000
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#define O_CLOEXEC 02000000
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#define O_DIRECT 040000
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#define O_NOATIME 01000000
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#define O_PATH 010000000
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#define O_DSYNC 010000
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#define O_TMPFILE (020000000 | __O_DIRECTORY)
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#define F_GETLK 5 /* Get record locking info. */
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#define F_SETLK 6 /* Set record locking info (non-blocking). */
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#define F_SETLKW 7 /* Set record locking info (blocking). */
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#define F_GETLK64 12 /* Get record locking info. */
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#define F_SETLK64 13 /* Set record locking info (non-blocking). */
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#define F_SETLKW64 14 /* Set record locking info (blocking). */
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#endif
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