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7f9b49e4 JJ |
1 | |
2 | #ifndef _SYS__DEFAULT_FCNTL_H_ | |
3 | #ifdef __cplusplus | |
4 | extern "C" { | |
5 | #endif | |
6 | #define _SYS__DEFAULT_FCNTL_H_ | |
7 | #include <_ansi.h> | |
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 _FAPPEND 0x0008 /* append (writes guaranteed at the end) */ | |
12 | #define _FMARK 0x0010 /* internal; mark during gc() */ | |
13 | #define _FDEFER 0x0020 /* internal; defer for next gc pass */ | |
14 | #define _FASYNC 0x0040 /* signal pgrp when data ready */ | |
15 | #define _FSHLOCK 0x0080 /* BSD flock() shared lock present */ | |
16 | #define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */ | |
17 | #define _FCREAT 0x0200 /* open with file create */ | |
18 | #define _FTRUNC 0x0400 /* open with truncation */ | |
19 | #define _FEXCL 0x0800 /* error on open if file exists */ | |
20 | #define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */ | |
21 | #define _FSYNC 0x2000 /* do all writes synchronously */ | |
22 | #define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */ | |
23 | #define _FNDELAY _FNONBLOCK /* non blocking I/O (4.2 style) */ | |
24 | #define _FNOCTTY 0x8000 /* don't assign a ctty on this open */ | |
25 | ||
26 | #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) | |
27 | ||
28 | /* | |
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. | |
32 | */ | |
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 | |
39 | #define O_EXCL _FEXCL | |
40 | #define O_SYNC _FSYNC | |
41 | /* O_NDELAY _FNDELAY set in include/fcntl.h */ | |
42 | /* O_NDELAY _FNBIO set in include/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 | |
50 | ||
51 | #define O_BINARY _FBINARY | |
52 | #define O_TEXT _FTEXT | |
53 | #define O_NOINHERIT _FNOINHERIT | |
54 | ||
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 | |
67 | #endif | |
68 | ||
69 | #ifndef _POSIX_SOURCE | |
70 | ||
71 | /* | |
72 | * Flags that work for fcntl(fd, F_SETFL, FXXXX) | |
73 | */ | |
74 | #define FAPPEND _FAPPEND | |
75 | #define FSYNC _FSYNC | |
76 | #define FASYNC _FASYNC | |
77 | #define FNBIO _FNBIO | |
78 | #define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */ | |
79 | #define FNDELAY _FNDELAY | |
80 | ||
81 | /* | |
82 | * Flags that are disallowed for fcntl's (FCNTLCANT); | |
83 | * used for opens, internal state, or locking. | |
84 | */ | |
85 | #define FREAD _FREAD | |
86 | #define FWRITE _FWRITE | |
87 | #define FMARK _FMARK | |
88 | #define FDEFER _FDEFER | |
89 | #define FSHLOCK _FSHLOCK | |
90 | #define FEXLOCK _FEXLOCK | |
91 | ||
92 | /* | |
93 | * The rest of the flags, used only for opens | |
94 | */ | |
95 | #define FOPEN _FOPEN | |
96 | #define FCREAT _FCREAT | |
97 | #define FTRUNC _FTRUNC | |
98 | #define FEXCL _FEXCL | |
99 | #define FNOCTTY _FNOCTTY | |
100 | ||
101 | #endif /* !_POSIX_SOURCE */ | |
102 | ||
103 | /* XXX close on exec request; must match UF_EXCLOSE in user.h */ | |
104 | #define FD_CLOEXEC 1 /* posix */ | |
105 | ||
106 | /* fcntl(2) requests */ | |
107 | #define F_DUPFD 0 /* Duplicate fildes */ | |
108 | #define F_GETFD 1 /* Get fildes flags (close on exec) */ | |
109 | #define F_SETFD 2 /* Set fildes flags (close on exec) */ | |
110 | #define F_GETFL 3 /* Get file flags */ | |
111 | #define F_SETFL 4 /* Set file flags */ | |
112 | #ifndef _POSIX_SOURCE | |
113 | #define F_GETOWN 5 /* Get owner - for ASYNC */ | |
114 | #define F_SETOWN 6 /* Set owner - for ASYNC */ | |
115 | #endif /* !_POSIX_SOURCE */ | |
116 | #define F_GETLK 7 /* Get record-locking information */ | |
117 | #define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */ | |
118 | #define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */ | |
119 | #ifndef _POSIX_SOURCE | |
120 | #define F_RGETLK 10 /* Test a remote lock to see if it is blocked */ | |
121 | #define F_RSETLK 11 /* Set or unlock a remote lock */ | |
122 | #define F_CNVT 12 /* Convert a fhandle to an open fd */ | |
123 | #define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */ | |
124 | #endif /* !_POSIX_SOURCE */ | |
125 | ||
126 | /* fcntl(2) flags (l_type field of flock structure) */ | |
127 | #define F_RDLCK 1 /* read lock */ | |
128 | #define F_WRLCK 2 /* write lock */ | |
129 | #define F_UNLCK 3 /* remove lock(s) */ | |
130 | #ifndef _POSIX_SOURCE | |
131 | #define F_UNLKSYS 4 /* remove remote locks for a given system */ | |
132 | #endif /* !_POSIX_SOURCE */ | |
133 | ||
ca48eb65 CV |
134 | #ifdef __CYGWIN__ |
135 | /* Special descriptor value to denote the cwd in calls to openat(2) etc. */ | |
136 | #define AT_FDCWD -2 | |
137 | ||
138 | /* Flag values for faccessat2) et al. */ | |
139 | #define AT_EACCESS 1 | |
140 | #define AT_SYMLINK_NOFOLLOW 2 | |
141 | #define AT_SYMLINK_FOLLOW 4 | |
142 | #define AT_REMOVEDIR 8 | |
143 | #endif | |
144 | ||
7f9b49e4 JJ |
145 | /*#include <sys/stdtypes.h>*/ |
146 | ||
147 | #ifndef __CYGWIN__ | |
148 | /* file segment locking set data type - information passed to system by user */ | |
149 | struct flock { | |
150 | short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ | |
151 | short l_whence; /* flag to choose starting offset */ | |
152 | long l_start; /* relative offset, in bytes */ | |
153 | long l_len; /* length, in bytes; 0 means lock to EOF */ | |
154 | short l_pid; /* returned with F_GETLK */ | |
155 | short l_xxx; /* reserved for future use */ | |
156 | }; | |
157 | #endif /* __CYGWIN__ */ | |
158 | ||
159 | #ifndef _POSIX_SOURCE | |
160 | /* extended file segment locking set data type */ | |
161 | struct eflock { | |
162 | short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ | |
163 | short l_whence; /* flag to choose starting offset */ | |
164 | long l_start; /* relative offset, in bytes */ | |
165 | long l_len; /* length, in bytes; 0 means lock to EOF */ | |
166 | short l_pid; /* returned with F_GETLK */ | |
167 | short l_xxx; /* reserved for future use */ | |
168 | long l_rpid; /* Remote process id wanting this lock */ | |
169 | long l_rsys; /* Remote system id wanting this lock */ | |
170 | }; | |
171 | #endif /* !_POSIX_SOURCE */ | |
172 | ||
173 | ||
174 | #include <sys/types.h> | |
175 | #include <sys/stat.h> /* sigh. for the mode bits for open/creat */ | |
176 | ||
177 | extern int open _PARAMS ((const char *, int, ...)); | |
178 | extern int creat _PARAMS ((const char *, mode_t)); | |
179 | extern int fcntl _PARAMS ((int, int, ...)); | |
ca48eb65 | 180 | #ifdef __CYGWIN__ |
1fc30315 | 181 | #include <sys/time.h> |
ca48eb65 CV |
182 | extern int futimesat _PARAMS ((int, const char *, const struct timeval *)); |
183 | extern int openat _PARAMS ((int, const char *, int, ...)); | |
184 | extern int unlinkat _PARAMS ((int, const char *, int)); | |
185 | #endif | |
7f9b49e4 JJ |
186 | |
187 | /* Provide _<systemcall> prototypes for functions provided by some versions | |
188 | of newlib. */ | |
189 | #ifdef _COMPILING_NEWLIB | |
190 | extern int _open _PARAMS ((const char *, int, ...)); | |
191 | extern int _fcntl _PARAMS ((int, int, ...)); | |
192 | #ifdef __LARGE64_FILES | |
193 | extern int _open64 _PARAMS ((const char *, int, ...)); | |
194 | #endif | |
195 | #endif | |
196 | ||
197 | #ifdef __cplusplus | |
198 | } | |
199 | #endif | |
200 | #endif /* !_SYS__DEFAULT_FCNTL_H_ */ |