8 #define _FOPEN (-1) /* from sys/file.h, kernel use only */
9 #define _FREAD 0x0001 /* read enabled */
10 #define _FWRITE 0x0002 /* write enabled */
11 #define _FNDELAY 0x0004 /* non blocking I/O (4.2 style) */
12 #define _FAPPEND 0x0008 /* append (writes guaranteed at the end) */
13 #define _FMARK 0x0010 /* internal; mark during gc() */
14 #define _FDEFER 0x0020 /* internal; defer for next gc pass */
15 #define _FASYNC 0x0040 /* signal pgrp when data ready */
16 #define _FSHLOCK 0x0080 /* BSD flock() shared lock present */
17 #define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */
18 #define _FCREAT 0x0200 /* open with file create */
19 #define _FTRUNC 0x0400 /* open with truncation */
20 #define _FEXCL 0x0800 /* error on open if file exists */
21 #define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */
22 #define _FSYNC 0x2000 /* do all writes synchronously */
23 #define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */
24 #define _FNOCTTY 0x8000 /* don't assign a ctty on this open */
26 #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
29 * Flag values for open(2) and fcntl(2)
30 * The kernel adds 1 to the open modes to turn it into some
31 * combination of FREAD and FWRITE.
33 #define O_RDONLY 0 /* +1 == FREAD */
34 #define O_WRONLY 1 /* +1 == FWRITE */
35 #define O_RDWR 2 /* +1 == FREAD|FWRITE */
36 #define O_APPEND _FAPPEND
37 #define O_CREAT _FCREAT
38 #define O_TRUNC _FTRUNC
40 /* O_SYNC _FSYNC not posix, defined below */
41 /* O_NDELAY _FNDELAY set in include/fcntl.h */
42 /* O_NDELAY _FNBIO set in 5include/fcntl.h */
43 #define O_NONBLOCK _FNONBLOCK
44 #define O_NOCTTY _FNOCTTY
45 /* For machines which care - */
46 #if defined (_WIN32) || defined (__CYGWIN__)
47 #define _FBINARY 0x10000
48 #define _FTEXT 0x20000
49 #define _FNOINHERIT 0x40000
51 #define O_BINARY _FBINARY
53 #define O_NOINHERIT _FNOINHERIT
55 /* The windows header files define versions with a leading underscore. */
56 #define _O_RDONLY O_RDONLY
57 #define _O_WRONLY O_WRONLY
58 #define _O_RDWR O_RDWR
59 #define _O_APPEND O_APPEND
60 #define _O_CREAT O_CREAT
61 #define _O_TRUNC O_TRUNC
62 #define _O_EXCL O_EXCL
63 #define _O_TEXT O_TEXT
64 #define _O_BINARY O_BINARY
65 #define _O_RAW O_BINARY
66 #define _O_NOINHERIT O_NOINHERIT
74 * Flags that work for fcntl(fd, F_SETFL, FXXXX)
76 #define FAPPEND _FAPPEND
78 #define FASYNC _FASYNC
80 #define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */
81 #define FNDELAY _FNDELAY
84 * Flags that are disallowed for fcntl's (FCNTLCANT);
85 * used for opens, internal state, or locking.
88 #define FWRITE _FWRITE
90 #define FDEFER _FDEFER
91 #define FSHLOCK _FSHLOCK
92 #define FEXLOCK _FEXLOCK
95 * The rest of the flags, used only for opens
98 #define FCREAT _FCREAT
99 #define FTRUNC _FTRUNC
101 #define FNOCTTY _FNOCTTY
103 #endif /* !_POSIX_SOURCE */
105 /* XXX close on exec request; must match UF_EXCLOSE in user.h */
106 #define FD_CLOEXEC 1 /* posix */
108 /* fcntl(2) requests */
109 #define F_DUPFD 0 /* Duplicate fildes */
110 #define F_GETFD 1 /* Get fildes flags (close on exec) */
111 #define F_SETFD 2 /* Set fildes flags (close on exec) */
112 #define F_GETFL 3 /* Get file flags */
113 #define F_SETFL 4 /* Set file flags */
114 #ifndef _POSIX_SOURCE
115 #define F_GETOWN 5 /* Get owner - for ASYNC */
116 #define F_SETOWN 6 /* Set owner - for ASYNC */
117 #endif /* !_POSIX_SOURCE */
118 #define F_GETLK 7 /* Get record-locking information */
119 #define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */
120 #define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */
121 #ifndef _POSIX_SOURCE
122 #define F_RGETLK 10 /* Test a remote lock to see if it is blocked */
123 #define F_RSETLK 11 /* Set or unlock a remote lock */
124 #define F_CNVT 12 /* Convert a fhandle to an open fd */
125 #define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */
126 #endif /* !_POSIX_SOURCE */
128 /* fcntl(2) flags (l_type field of flock structure) */
129 #define F_RDLCK 1 /* read lock */
130 #define F_WRLCK 2 /* write lock */
131 #define F_UNLCK 3 /* remove lock(s) */
132 #ifndef _POSIX_SOURCE
133 #define F_UNLKSYS 4 /* remove remote locks for a given system */
134 #endif /* !_POSIX_SOURCE */
136 /*#include <sys/stdtypes.h>*/
138 /* file segment locking set data type - information passed to system by user */
140 short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
141 short l_whence; /* flag to choose starting offset */
142 long l_start; /* relative offset, in bytes */
143 long l_len; /* length, in bytes; 0 means lock to EOF */
144 short l_pid; /* returned with F_GETLK */
145 short l_xxx; /* reserved for future use */
148 #ifndef _POSIX_SOURCE
149 /* extended file segment locking set data type */
151 short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */
152 short l_whence; /* flag to choose starting offset */
153 long l_start; /* relative offset, in bytes */
154 long l_len; /* length, in bytes; 0 means lock to EOF */
155 short l_pid; /* returned with F_GETLK */
156 short l_xxx; /* reserved for future use */
157 long l_rpid; /* Remote process id wanting this lock */
158 long l_rsys; /* Remote system id wanting this lock */
160 #endif /* !_POSIX_SOURCE */
163 #include <sys/types.h>
164 #include <sys/stat.h> /* sigh. for the mode bits for open/creat */
166 extern int open _PARAMS ((const char *, int, ...));
167 extern int creat _PARAMS ((const char *, mode_t));
168 extern int fcntl _PARAMS ((int, int, ...));
170 /* Provide _<systemcall> prototypes for functions provided by some versions
172 extern int _open _PARAMS ((const char *, int, ...));
173 extern int _fcntl _PARAMS ((int, int, ...));
178 #endif /* !_FCNTL_ */
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