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Diffstat (limited to 'gdb/hp-include/sys/fcntl.h')
| -rw-r--r-- | gdb/hp-include/sys/fcntl.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gdb/hp-include/sys/fcntl.h b/gdb/hp-include/sys/fcntl.h new file mode 100644 index 0000000..6d94600 --- /dev/null +++ b/gdb/hp-include/sys/fcntl.h @@ -0,0 +1,73 @@ +/* @(#)fcntl.h 1.3 86/07/16 SMI; from UCB 5.1 85/05/30 */ +/* + * Copyright (c) 1983 Regents of the University of California. + * All rights reserved. The Berkeley software License Agreement + * specifies the terms and conditions for redistribution. + */ + +#ifndef __FCNTL_HEADER__ +#define __FCNTL_HEADER__ + +/* + * Flag values accessible to open(2) and fcntl(2) + * (The first three can only be set by open) + */ +#define O_RDONLY 0 +#define O_WRONLY 1 +#define O_RDWR 2 +#define O_NDELAY FNDELAY /* Non-blocking I/O */ +#define O_APPEND FAPPEND /* append (writes guaranteed at the end) */ +#define O_CREAT FCREAT /* open with file create */ +#define O_TRUNC FTRUNC /* open with truncation */ +#define O_EXCL FEXCL /* error on create if file exists */ + +/* flags for F_GETFL, F_SETFL-- needed by <sys/file.h> */ +#define FNDELAY 00004 /* non-blocking reads */ +#define FAPPEND 00010 /* append on each write */ +#define FASYNC 00100 /* signal pgrp when data ready */ +#define FCREAT 01000 /* create if nonexistant */ +#define FTRUNC 02000 /* truncate to zero length */ +#define FEXCL 04000 /* error if already created */ + +/* fcntl(2) requests */ +#define F_DUPFD 0 /* Duplicate fildes */ +#define F_GETFD 1 /* Get fildes flags */ +#define F_SETFD 2 /* Set fildes flags */ +#define F_GETFL 3 /* Get file flags */ +#define F_SETFL 4 /* Set file flags */ +#define F_GETOWN 5 /* Get owner */ +#define F_SETOWN 6 /* Set owner */ +#define F_GETLK 7 /* Get record-locking information */ +#define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */ +#define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */ + +/* access(2) requests */ +#define F_OK 0 /* does file exist */ +#define X_OK 1 /* is it executable by caller */ +#define W_OK 2 /* writable by caller */ +#define R_OK 4 /* readable by caller */ + +/* System-V record-locking options */ +/* lockf(2) requests */ +#define F_ULOCK 0 /* Unlock a previously locked region */ +#define F_LOCK 1 /* Lock a region for exclusive use */ +#define F_TLOCK 2 /* Test and lock a region for exclusive use */ +#define F_TEST 3 /* Test a region for other processes locks */ + +/* fcntl(2) flags (l_type field of flock structure) */ +#define F_RDLCK 1 /* read lock */ +#define F_WRLCK 2 /* write lock */ +#define F_UNLCK 3 /* remove lock(s) */ + + +/* file segment locking set data type - information passed to system by user */ +struct flock { + short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ + short l_whence; /* flag to choose starting offset */ + long l_start; /* relative offset, in bytes */ + long l_len; /* length, in bytes; 0 means lock to EOF */ + short l_pid; /* returned with F_GETLK */ + short l_xxx; /* reserved for future use */ +}; + +#endif !__FCNTL_HEADER__ |