1 2 #ifndef _FCNTL_ 3 #ifdef __cplusplus 4 extern "C" { 5 #endif 6 #define _FCNTL_ 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 /* 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 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 #define O_SYNC _FSYNC 72 73 /* 74 * Flags that work for fcntl(fd, F_SETFL, FXXXX) 75 */ 76 #define FAPPEND _FAPPEND 77 #define FSYNC _FSYNC 78 #define FASYNC _FASYNC 79 #define FNBIO _FNBIO 80 #define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */ 81 #define FNDELAY _FNDELAY 82 83 /* 84 * Flags that are disallowed for fcntl's (FCNTLCANT); 85 * used for opens, internal state, or locking. 86 */ 87 #define FREAD _FREAD 88 #define FWRITE _FWRITE 89 #define FMARK _FMARK 90 #define FDEFER _FDEFER 91 #define FSHLOCK _FSHLOCK 92 #define FEXLOCK _FEXLOCK 93 94 /* 95 * The rest of the flags, used only for opens 96 */ 97 #define FOPEN _FOPEN 98 #define FCREAT _FCREAT 99 #define FTRUNC _FTRUNC 100 #define FEXCL _FEXCL 101 #define FNOCTTY _FNOCTTY 102 103 #endif /* !_POSIX_SOURCE */ 104 105 /* XXX close on exec request; must match UF_EXCLOSE in user.h */ 106 #define FD_CLOEXEC 1 /* posix */ 107 108 /* 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 */ 127 128 /* 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 */ 135 136 /*#include <sys/stdtypes.h>*/ 137 138 /* file segment locking set data type - information passed to system by user */ 139 struct flock { 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 */ 146 }; 147 148 #ifndef _POSIX_SOURCE 149 /* extended file segment locking set data type */ 150 struct eflock { 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 */ 159 }; 160 #endif /* !_POSIX_SOURCE */ 161 162 163 #include <sys/types.h> 164 #include <sys/stat.h> /* sigh. for the mode bits for open/creat */ 165 166 extern int open _PARAMS ((const char *, int, ...)); 167 extern int creat _PARAMS ((const char *, mode_t)); 168 extern int fcntl _PARAMS ((int, int, ...)); 169 170 /* Provide _<systemcall> prototypes for functions provided by some versions 171 of newlib. */ 172 extern int _open _PARAMS ((const char *, int, ...)); 173 extern int _fcntl _PARAMS ((int, int, ...)); 174 175 #ifdef __cplusplus 176 } 177 #endif 178 #endif /* !_FCNTL_ */ |