| 1 | |
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| 2 | #ifndef _SYS__DEFAULT_FCNTL_H_ |
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| 3 | #ifdef __cplusplus |
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| 4 | extern "C" { |
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| 5 | #endif |
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| 6 | #define _SYS__DEFAULT_FCNTL_H_ |
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| 7 | #include <_ansi.h> |
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| 8 | #include <sys/cdefs.h> |
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| 9 | #define _FOPEN (-1) /* from sys/file.h, kernel use only */ |
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| 10 | #define _FREAD 0x0001 /* read enabled */ |
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| 11 | #define _FWRITE 0x0002 /* write enabled */ |
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| 12 | #define _FAPPEND 0x0008 /* append (writes guaranteed at the end) */ |
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| 13 | #define _FMARK 0x0010 /* internal; mark during gc() */ |
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| 14 | #define _FDEFER 0x0020 /* internal; defer for next gc pass */ |
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| 15 | #define _FASYNC 0x0040 /* signal pgrp when data ready */ |
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| 16 | #define _FSHLOCK 0x0080 /* BSD flock() shared lock present */ |
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| 17 | #define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */ |
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| 18 | #define _FCREAT 0x0200 /* open with file create */ |
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| 19 | #define _FTRUNC 0x0400 /* open with truncation */ |
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| 20 | #define _FEXCL 0x0800 /* error on open if file exists */ |
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| 21 | #define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */ |
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| 22 | #define _FSYNC 0x2000 /* do all writes synchronously */ |
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| 23 | #define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */ |
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| 24 | #define _FNDELAY _FNONBLOCK /* non blocking I/O (4.2 style) */ |
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| 25 | #define _FNOCTTY 0x8000 /* don't assign a ctty on this open */ |
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| 26 | |
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| 27 | #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) |
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| 28 | |
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| 29 | /* |
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| 30 | * Flag values for open(2) and fcntl(2) |
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| 31 | * The kernel adds 1 to the open modes to turn it into some |
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| 32 | * combination of FREAD and FWRITE. |
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| 33 | */ |
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| 34 | #define O_RDONLY 0 /* +1 == FREAD */ |
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| 35 | #define O_WRONLY 1 /* +1 == FWRITE */ |
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| 36 | #define O_RDWR 2 /* +1 == FREAD|FWRITE */ |
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| 37 | #define O_APPEND _FAPPEND |
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| 38 | #define O_CREAT _FCREAT |
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| 39 | #define O_TRUNC _FTRUNC |
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| 40 | #define O_EXCL _FEXCL |
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| 41 | #define O_SYNC _FSYNC |
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| 42 | /* O_NDELAY _FNDELAY set in include/fcntl.h */ |
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| 43 | /* O_NDELAY _FNBIO set in include/fcntl.h */ |
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| 44 | #define O_NONBLOCK _FNONBLOCK |
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| 45 | #define O_NOCTTY _FNOCTTY |
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| 46 | /* For machines which care - */ |
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| 47 | #if defined (__CYGWIN__) |
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| 48 | #define _FBINARY 0x10000 |
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| 49 | #define _FTEXT 0x20000 |
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| 50 | #define _FNOINHERIT 0x40000 |
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| 51 | #define _FDIRECT 0x80000 |
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| 52 | #define _FNOFOLLOW 0x100000 |
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| 53 | #define _FDIRECTORY 0x200000 |
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| 54 | #define _FEXECSRCH 0x400000 |
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| 55 | #define _FTMPFILE 0x800000 |
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| 56 | #define _FNOATIME 0x1000000 |
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| 57 | |
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| 58 | #define O_BINARY _FBINARY |
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| 59 | #define O_TEXT _FTEXT |
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| 60 | #define O_DSYNC _FSYNC |
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| 61 | #define O_RSYNC _FSYNC |
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| 62 | #define O_EXEC _FEXECSRCH |
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| 63 | #define O_SEARCH _FEXECSRCH |
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| 64 | |
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| 65 | /* POSIX-1.2008 specific flags */ |
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| 66 | #if __POSIX_VISIBLE >= 200809 |
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| 67 | #define O_CLOEXEC _FNOINHERIT |
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| 68 | #define O_NOFOLLOW _FNOFOLLOW |
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| 69 | #define O_DIRECTORY _FDIRECTORY |
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| 70 | #endif |
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| 71 | |
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| 72 | /* Linux-specific flags */ |
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| 73 | #if __GNU_VISIBLE |
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| 74 | #define O_DIRECT _FDIRECT |
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| 75 | #define O_TMPFILE _FTMPFILE |
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| 76 | #define O_NOATIME _FNOATIME |
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| 77 | #endif |
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| 78 | #endif |
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| 79 | |
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| 80 | #if __MISC_VISIBLE |
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| 81 | |
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| 82 | /* |
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| 83 | * Flags that work for fcntl(fd, F_SETFL, FXXXX) |
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| 84 | */ |
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| 85 | #define FAPPEND _FAPPEND |
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| 86 | #define FSYNC _FSYNC |
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| 87 | #define FASYNC _FASYNC |
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| 88 | #define FNBIO _FNBIO |
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| 89 | #define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */ |
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| 90 | #define FNDELAY _FNDELAY |
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| 91 | |
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| 92 | /* |
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| 93 | * Flags that are disallowed for fcntl's (FCNTLCANT); |
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| 94 | * used for opens, internal state, or locking. |
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| 95 | */ |
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| 96 | #define FREAD _FREAD |
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| 97 | #define FWRITE _FWRITE |
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| 98 | #define FMARK _FMARK |
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| 99 | #define FDEFER _FDEFER |
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| 100 | #define FSHLOCK _FSHLOCK |
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| 101 | #define FEXLOCK _FEXLOCK |
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| 102 | |
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| 103 | /* |
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| 104 | * The rest of the flags, used only for opens |
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| 105 | */ |
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| 106 | #define FOPEN _FOPEN |
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| 107 | #define FCREAT _FCREAT |
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| 108 | #define FTRUNC _FTRUNC |
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| 109 | #define FEXCL _FEXCL |
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| 110 | #define FNOCTTY _FNOCTTY |
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| 111 | |
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| 112 | #endif /* __MISC_VISIBLE */ |
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| 113 | |
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| 114 | #if __BSD_VISIBLE |
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| 115 | #define FNONBLOCK _FNONBLOCK |
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| 116 | #endif /* __BSD_VISIBLE */ |
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| 117 | |
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| 118 | /* XXX close on exec request; must match UF_EXCLOSE in user.h */ |
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| 119 | #define FD_CLOEXEC 1 /* posix */ |
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| 120 | |
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| 121 | /* fcntl(2) requests */ |
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| 122 | #define F_DUPFD 0 /* Duplicate fildes */ |
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| 123 | #define F_GETFD 1 /* Get fildes flags (close on exec) */ |
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| 124 | #define F_SETFD 2 /* Set fildes flags (close on exec) */ |
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| 125 | #define F_GETFL 3 /* Get file flags */ |
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| 126 | #define F_SETFL 4 /* Set file flags */ |
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| 127 | #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 |
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| 128 | #define F_GETOWN 5 /* Get owner - for ASYNC */ |
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| 129 | #define F_SETOWN 6 /* Set owner - for ASYNC */ |
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| 130 | #endif /* __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 */ |
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| 131 | #define F_GETLK 7 /* Get record-locking information */ |
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| 132 | #define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */ |
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| 133 | #define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */ |
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| 134 | #if __MISC_VISIBLE |
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| 135 | #define F_RGETLK 10 /* Test a remote lock to see if it is blocked */ |
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| 136 | #define F_RSETLK 11 /* Set or unlock a remote lock */ |
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| 137 | #define F_CNVT 12 /* Convert a fhandle to an open fd */ |
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| 138 | #define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */ |
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| 139 | #endif /* __MISC_VISIBLE */ |
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| 140 | #if __POSIX_VISIBLE >= 200809 |
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| 141 | #define F_DUPFD_CLOEXEC 14 /* As F_DUPFD, but set close-on-exec flag */ |
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| 142 | #endif |
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| 143 | |
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| 144 | /* fcntl(2) flags (l_type field of flock structure) */ |
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| 145 | #define F_RDLCK 1 /* read lock */ |
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| 146 | #define F_WRLCK 2 /* write lock */ |
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| 147 | #define F_UNLCK 3 /* remove lock(s) */ |
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| 148 | #if __MISC_VISIBLE |
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| 149 | #define F_UNLKSYS 4 /* remove remote locks for a given system */ |
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| 150 | #endif /* __MISC_VISIBLE */ |
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| 151 | |
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| 152 | #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 |
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| 153 | /* Special descriptor value to denote the cwd in calls to openat(2) etc. */ |
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| 154 | #define AT_FDCWD -2 |
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| 155 | |
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| 156 | /* Flag values for faccessat2) et al. */ |
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| 157 | #define AT_EACCESS 1 |
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| 158 | #define AT_SYMLINK_NOFOLLOW 2 |
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| 159 | #define AT_SYMLINK_FOLLOW 4 |
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| 160 | #define AT_REMOVEDIR 8 |
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| 161 | #endif |
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| 162 | |
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| 163 | #if __BSD_VISIBLE |
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| 164 | /* lock operations for flock(2) */ |
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| 165 | #define LOCK_SH 0x01 /* shared file lock */ |
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| 166 | #define LOCK_EX 0x02 /* exclusive file lock */ |
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| 167 | #define LOCK_NB 0x04 /* don't block when locking */ |
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| 168 | #define LOCK_UN 0x08 /* unlock file */ |
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| 169 | #endif |
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| 170 | |
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| 171 | /*#include <sys/stdtypes.h>*/ |
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| 172 | |
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| 173 | #ifndef __CYGWIN__ |
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| 174 | /* file segment locking set data type - information passed to system by user */ |
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| 175 | struct flock { |
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| 176 | short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ |
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| 177 | short l_whence; /* flag to choose starting offset */ |
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| 178 | long l_start; /* relative offset, in bytes */ |
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| 179 | long l_len; /* length, in bytes; 0 means lock to EOF */ |
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| 180 | short l_pid; /* returned with F_GETLK */ |
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| 181 | short l_xxx; /* reserved for future use */ |
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| 182 | }; |
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| 183 | #endif /* __CYGWIN__ */ |
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| 184 | |
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| 185 | #if __MISC_VISIBLE |
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| 186 | /* extended file segment locking set data type */ |
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| 187 | struct eflock { |
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| 188 | short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ |
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| 189 | short l_whence; /* flag to choose starting offset */ |
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| 190 | long l_start; /* relative offset, in bytes */ |
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| 191 | long l_len; /* length, in bytes; 0 means lock to EOF */ |
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| 192 | short l_pid; /* returned with F_GETLK */ |
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| 193 | short l_xxx; /* reserved for future use */ |
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| 194 | long l_rpid; /* Remote process id wanting this lock */ |
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| 195 | long l_rsys; /* Remote system id wanting this lock */ |
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| 196 | }; |
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| 197 | #endif /* __MISC_VISIBLE */ |
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| 198 | |
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| 199 | #include <sys/types.h> |
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| 200 | #include <sys/stat.h> /* sigh. for the mode bits for open/creat */ |
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| 201 | |
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| 202 | extern int open (const char *, int, ...); |
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| 203 | #if __ATFILE_VISIBLE |
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| 204 | extern int openat (int, const char *, int, ...); |
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| 205 | #endif |
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| 206 | extern int creat (const char *, mode_t); |
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| 207 | extern int fcntl (int, int, ...); |
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| 208 | #if __BSD_VISIBLE |
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| 209 | extern int flock (int, int); |
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| 210 | #endif |
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| 211 | #if __GNU_VISIBLE |
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| 212 | #include <sys/time.h> |
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| 213 | extern int futimesat (int, const char *, const struct timeval *); |
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| 214 | #endif |
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| 215 | |
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| 216 | /* Provide _<systemcall> prototypes for functions provided by some versions |
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| 217 | of newlib. */ |
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| 218 | #ifdef _COMPILING_NEWLIB |
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| 219 | extern int _open (const char *, int, ...); |
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| 220 | extern int _fcntl (int, int, ...); |
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| 221 | #ifdef __LARGE64_FILES |
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| 222 | extern int _open64 (const char *, int, ...); |
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| 223 | #endif |
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| 224 | #endif |
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| 225 | |
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| 226 | #ifdef __cplusplus |
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| 227 | } |
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| 228 | #endif |
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| 229 | #endif /* !_SYS__DEFAULT_FCNTL_H_ */ |
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