source: buchla-68k/include/fcntl.h@ 9bf0f86

/*
   =============================================================================
        fcntl.h -- file control function header
        Version 3 -- 1987-06-26 -- D.N. Lynx Crowe
   =============================================================================
*/

/*
   =============================================================================
        The following symbols are used with open(), creat() and fcntl().
        The first 3 can only be set by open().
   =============================================================================
*/

#ifndef O_RDONLY        /* only define these once */

#define O_RDONLY        0x0000  /* Read-only value  */
#define O_WRONLY        0x0001  /* Write-only value */
#define O_RDWR          0x0002  /* Read-write value */

#define O_NDELAY        0x0004  /* Non-blocking I/O flag */
#define O_APPEND        0x0008  /* Append mode flag (write only at end) */

#define O_CREAT         0x0100  /* File creation flag (uses 3rd argument) */
#define O_TRUNC         0x0200  /* File truncation flag */
#define O_EXCL          0x0400  /* Exclusive access flag */

#define O_RAW           0x8000  /* Raw (binary) I/O flag for getc and putc */

#endif

/*
   =============================================================================
        The following symbols define requests used with the fcntl() function.
   =============================================================================
*/

#define F_DUPFD 0       /* Duplicate file descriptor */

#define F_GETFD 1       /* Get file descriptor flags */
#define F_SETFD 2       /* Set file descriptor flags */

#define F_GETFL 3       /* Get file flags */
#define F_SETFL 4       /* Set file flags */