1*53ee8cc1Swenshuai.xi 2*53ee8cc1Swenshuai.xi #ifndef _FCNTL_ 3*53ee8cc1Swenshuai.xi #ifdef __cplusplus 4*53ee8cc1Swenshuai.xi extern "C" { 5*53ee8cc1Swenshuai.xi #endif 6*53ee8cc1Swenshuai.xi #define _FCNTL_ 7*53ee8cc1Swenshuai.xi #include <_ansi.h> 8*53ee8cc1Swenshuai.xi #define _FOPEN (-1) /* from sys/file.h, kernel use only */ 9*53ee8cc1Swenshuai.xi #define _FREAD 0x0001 /* read enabled */ 10*53ee8cc1Swenshuai.xi #define _FWRITE 0x0002 /* write enabled */ 11*53ee8cc1Swenshuai.xi #define _FAPPEND 0x0008 /* append (writes guaranteed at the end) */ 12*53ee8cc1Swenshuai.xi #define _FMARK 0x0010 /* internal; mark during gc() */ 13*53ee8cc1Swenshuai.xi #define _FDEFER 0x0020 /* internal; defer for next gc pass */ 14*53ee8cc1Swenshuai.xi #define _FASYNC 0x0040 /* signal pgrp when data ready */ 15*53ee8cc1Swenshuai.xi #define _FSHLOCK 0x0080 /* BSD flock() shared lock present */ 16*53ee8cc1Swenshuai.xi #define _FEXLOCK 0x0100 /* BSD flock() exclusive lock present */ 17*53ee8cc1Swenshuai.xi #define _FCREAT 0x0200 /* open with file create */ 18*53ee8cc1Swenshuai.xi #define _FTRUNC 0x0400 /* open with truncation */ 19*53ee8cc1Swenshuai.xi #define _FEXCL 0x0800 /* error on open if file exists */ 20*53ee8cc1Swenshuai.xi #define _FNBIO 0x1000 /* non blocking I/O (sys5 style) */ 21*53ee8cc1Swenshuai.xi #define _FSYNC 0x2000 /* do all writes synchronously */ 22*53ee8cc1Swenshuai.xi #define _FNONBLOCK 0x4000 /* non blocking I/O (POSIX style) */ 23*53ee8cc1Swenshuai.xi #define _FNDELAY _FNONBLOCK /* non blocking I/O (4.2 style) */ 24*53ee8cc1Swenshuai.xi #define _FNOCTTY 0x8000 /* don't assign a ctty on this open */ 25*53ee8cc1Swenshuai.xi 26*53ee8cc1Swenshuai.xi #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) 27*53ee8cc1Swenshuai.xi 28*53ee8cc1Swenshuai.xi /* 29*53ee8cc1Swenshuai.xi * Flag values for open(2) and fcntl(2) 30*53ee8cc1Swenshuai.xi * The kernel adds 1 to the open modes to turn it into some 31*53ee8cc1Swenshuai.xi * combination of FREAD and FWRITE. 32*53ee8cc1Swenshuai.xi */ 33*53ee8cc1Swenshuai.xi #define O_RDONLY 0 /* +1 == FREAD */ 34*53ee8cc1Swenshuai.xi #define O_WRONLY 1 /* +1 == FWRITE */ 35*53ee8cc1Swenshuai.xi #define O_RDWR 2 /* +1 == FREAD|FWRITE */ 36*53ee8cc1Swenshuai.xi #define O_APPEND _FAPPEND 37*53ee8cc1Swenshuai.xi #define O_CREAT _FCREAT 38*53ee8cc1Swenshuai.xi #define O_TRUNC _FTRUNC 39*53ee8cc1Swenshuai.xi #define O_EXCL _FEXCL 40*53ee8cc1Swenshuai.xi #define O_SYNC _FSYNC 41*53ee8cc1Swenshuai.xi /* O_NDELAY _FNDELAY set in include/fcntl.h */ 42*53ee8cc1Swenshuai.xi /* O_NDELAY _FNBIO set in include/fcntl.h */ 43*53ee8cc1Swenshuai.xi #define O_NONBLOCK _FNONBLOCK 44*53ee8cc1Swenshuai.xi #define O_NOCTTY _FNOCTTY 45*53ee8cc1Swenshuai.xi /* For machines which care - */ 46*53ee8cc1Swenshuai.xi #if defined (_WIN32) || defined (__CYGWIN__) 47*53ee8cc1Swenshuai.xi #define _FBINARY 0x10000 48*53ee8cc1Swenshuai.xi #define _FTEXT 0x20000 49*53ee8cc1Swenshuai.xi #define _FNOINHERIT 0x40000 50*53ee8cc1Swenshuai.xi 51*53ee8cc1Swenshuai.xi #define O_BINARY _FBINARY 52*53ee8cc1Swenshuai.xi #define O_TEXT _FTEXT 53*53ee8cc1Swenshuai.xi #define O_NOINHERIT _FNOINHERIT 54*53ee8cc1Swenshuai.xi 55*53ee8cc1Swenshuai.xi /* The windows header files define versions with a leading underscore. */ 56*53ee8cc1Swenshuai.xi #define _O_RDONLY O_RDONLY 57*53ee8cc1Swenshuai.xi #define _O_WRONLY O_WRONLY 58*53ee8cc1Swenshuai.xi #define _O_RDWR O_RDWR 59*53ee8cc1Swenshuai.xi #define _O_APPEND O_APPEND 60*53ee8cc1Swenshuai.xi #define _O_CREAT O_CREAT 61*53ee8cc1Swenshuai.xi #define _O_TRUNC O_TRUNC 62*53ee8cc1Swenshuai.xi #define _O_EXCL O_EXCL 63*53ee8cc1Swenshuai.xi #define _O_TEXT O_TEXT 64*53ee8cc1Swenshuai.xi #define _O_BINARY O_BINARY 65*53ee8cc1Swenshuai.xi #define _O_RAW O_BINARY 66*53ee8cc1Swenshuai.xi #define _O_NOINHERIT O_NOINHERIT 67*53ee8cc1Swenshuai.xi #endif 68*53ee8cc1Swenshuai.xi 69*53ee8cc1Swenshuai.xi #ifndef _POSIX_SOURCE 70*53ee8cc1Swenshuai.xi 71*53ee8cc1Swenshuai.xi /* 72*53ee8cc1Swenshuai.xi * Flags that work for fcntl(fd, F_SETFL, FXXXX) 73*53ee8cc1Swenshuai.xi */ 74*53ee8cc1Swenshuai.xi #define FAPPEND _FAPPEND 75*53ee8cc1Swenshuai.xi #define FSYNC _FSYNC 76*53ee8cc1Swenshuai.xi #define FASYNC _FASYNC 77*53ee8cc1Swenshuai.xi #define FNBIO _FNBIO 78*53ee8cc1Swenshuai.xi #define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */ 79*53ee8cc1Swenshuai.xi #define FNDELAY _FNDELAY 80*53ee8cc1Swenshuai.xi 81*53ee8cc1Swenshuai.xi /* 82*53ee8cc1Swenshuai.xi * Flags that are disallowed for fcntl's (FCNTLCANT); 83*53ee8cc1Swenshuai.xi * used for opens, internal state, or locking. 84*53ee8cc1Swenshuai.xi */ 85*53ee8cc1Swenshuai.xi #define FREAD _FREAD 86*53ee8cc1Swenshuai.xi #define FWRITE _FWRITE 87*53ee8cc1Swenshuai.xi #define FMARK _FMARK 88*53ee8cc1Swenshuai.xi #define FDEFER _FDEFER 89*53ee8cc1Swenshuai.xi #define FSHLOCK _FSHLOCK 90*53ee8cc1Swenshuai.xi #define FEXLOCK _FEXLOCK 91*53ee8cc1Swenshuai.xi 92*53ee8cc1Swenshuai.xi /* 93*53ee8cc1Swenshuai.xi * The rest of the flags, used only for opens 94*53ee8cc1Swenshuai.xi */ 95*53ee8cc1Swenshuai.xi #define FOPEN _FOPEN 96*53ee8cc1Swenshuai.xi #define FCREAT _FCREAT 97*53ee8cc1Swenshuai.xi #define FTRUNC _FTRUNC 98*53ee8cc1Swenshuai.xi #define FEXCL _FEXCL 99*53ee8cc1Swenshuai.xi #define FNOCTTY _FNOCTTY 100*53ee8cc1Swenshuai.xi 101*53ee8cc1Swenshuai.xi #endif /* !_POSIX_SOURCE */ 102*53ee8cc1Swenshuai.xi 103*53ee8cc1Swenshuai.xi /* XXX close on exec request; must match UF_EXCLOSE in user.h */ 104*53ee8cc1Swenshuai.xi #define FD_CLOEXEC 1 /* posix */ 105*53ee8cc1Swenshuai.xi 106*53ee8cc1Swenshuai.xi /* fcntl(2) requests */ 107*53ee8cc1Swenshuai.xi #define F_DUPFD 0 /* Duplicate fildes */ 108*53ee8cc1Swenshuai.xi #define F_GETFD 1 /* Get fildes flags (close on exec) */ 109*53ee8cc1Swenshuai.xi #define F_SETFD 2 /* Set fildes flags (close on exec) */ 110*53ee8cc1Swenshuai.xi #define F_GETFL 3 /* Get file flags */ 111*53ee8cc1Swenshuai.xi #define F_SETFL 4 /* Set file flags */ 112*53ee8cc1Swenshuai.xi #ifndef _POSIX_SOURCE 113*53ee8cc1Swenshuai.xi #define F_GETOWN 5 /* Get owner - for ASYNC */ 114*53ee8cc1Swenshuai.xi #define F_SETOWN 6 /* Set owner - for ASYNC */ 115*53ee8cc1Swenshuai.xi #endif /* !_POSIX_SOURCE */ 116*53ee8cc1Swenshuai.xi #define F_GETLK 7 /* Get record-locking information */ 117*53ee8cc1Swenshuai.xi #define F_SETLK 8 /* Set or Clear a record-lock (Non-Blocking) */ 118*53ee8cc1Swenshuai.xi #define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */ 119*53ee8cc1Swenshuai.xi #ifndef _POSIX_SOURCE 120*53ee8cc1Swenshuai.xi #define F_RGETLK 10 /* Test a remote lock to see if it is blocked */ 121*53ee8cc1Swenshuai.xi #define F_RSETLK 11 /* Set or unlock a remote lock */ 122*53ee8cc1Swenshuai.xi #define F_CNVT 12 /* Convert a fhandle to an open fd */ 123*53ee8cc1Swenshuai.xi #define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */ 124*53ee8cc1Swenshuai.xi #endif /* !_POSIX_SOURCE */ 125*53ee8cc1Swenshuai.xi 126*53ee8cc1Swenshuai.xi /* fcntl(2) flags (l_type field of flock structure) */ 127*53ee8cc1Swenshuai.xi #define F_RDLCK 1 /* read lock */ 128*53ee8cc1Swenshuai.xi #define F_WRLCK 2 /* write lock */ 129*53ee8cc1Swenshuai.xi #define F_UNLCK 3 /* remove lock(s) */ 130*53ee8cc1Swenshuai.xi #ifndef _POSIX_SOURCE 131*53ee8cc1Swenshuai.xi #define F_UNLKSYS 4 /* remove remote locks for a given system */ 132*53ee8cc1Swenshuai.xi #endif /* !_POSIX_SOURCE */ 133*53ee8cc1Swenshuai.xi 134*53ee8cc1Swenshuai.xi /*#include <sys/stdtypes.h>*/ 135*53ee8cc1Swenshuai.xi 136*53ee8cc1Swenshuai.xi #ifndef __CYGWIN__ 137*53ee8cc1Swenshuai.xi /* file segment locking set data type - information passed to system by user */ 138*53ee8cc1Swenshuai.xi struct flock { 139*53ee8cc1Swenshuai.xi short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ 140*53ee8cc1Swenshuai.xi short l_whence; /* flag to choose starting offset */ 141*53ee8cc1Swenshuai.xi long l_start; /* relative offset, in bytes */ 142*53ee8cc1Swenshuai.xi long l_len; /* length, in bytes; 0 means lock to EOF */ 143*53ee8cc1Swenshuai.xi short l_pid; /* returned with F_GETLK */ 144*53ee8cc1Swenshuai.xi short l_xxx; /* reserved for future use */ 145*53ee8cc1Swenshuai.xi }; 146*53ee8cc1Swenshuai.xi #endif /* __CYGWIN__ */ 147*53ee8cc1Swenshuai.xi 148*53ee8cc1Swenshuai.xi #ifndef _POSIX_SOURCE 149*53ee8cc1Swenshuai.xi /* extended file segment locking set data type */ 150*53ee8cc1Swenshuai.xi struct eflock { 151*53ee8cc1Swenshuai.xi short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ 152*53ee8cc1Swenshuai.xi short l_whence; /* flag to choose starting offset */ 153*53ee8cc1Swenshuai.xi long l_start; /* relative offset, in bytes */ 154*53ee8cc1Swenshuai.xi long l_len; /* length, in bytes; 0 means lock to EOF */ 155*53ee8cc1Swenshuai.xi short l_pid; /* returned with F_GETLK */ 156*53ee8cc1Swenshuai.xi short l_xxx; /* reserved for future use */ 157*53ee8cc1Swenshuai.xi long l_rpid; /* Remote process id wanting this lock */ 158*53ee8cc1Swenshuai.xi long l_rsys; /* Remote system id wanting this lock */ 159*53ee8cc1Swenshuai.xi }; 160*53ee8cc1Swenshuai.xi #endif /* !_POSIX_SOURCE */ 161*53ee8cc1Swenshuai.xi 162*53ee8cc1Swenshuai.xi 163*53ee8cc1Swenshuai.xi #include <sys/types.h> 164*53ee8cc1Swenshuai.xi #include <sys/stat.h> /* sigh. for the mode bits for open/creat */ 165*53ee8cc1Swenshuai.xi 166*53ee8cc1Swenshuai.xi extern int open _PARAMS ((const char *, int, ...)); 167*53ee8cc1Swenshuai.xi extern int creat _PARAMS ((const char *, mode_t)); 168*53ee8cc1Swenshuai.xi extern int fcntl _PARAMS ((int, int, ...)); 169*53ee8cc1Swenshuai.xi 170*53ee8cc1Swenshuai.xi /* Provide _<systemcall> prototypes for functions provided by some versions 171*53ee8cc1Swenshuai.xi of newlib. */ 172*53ee8cc1Swenshuai.xi #ifdef _COMPILING_NEWLIB 173*53ee8cc1Swenshuai.xi extern int _open _PARAMS ((const char *, int, ...)); 174*53ee8cc1Swenshuai.xi extern int _fcntl _PARAMS ((int, int, ...)); 175*53ee8cc1Swenshuai.xi #ifdef __LARGE64_FILES 176*53ee8cc1Swenshuai.xi extern int _open64 _PARAMS ((const char *, int, ...)); 177*53ee8cc1Swenshuai.xi #endif 178*53ee8cc1Swenshuai.xi #endif 179*53ee8cc1Swenshuai.xi 180*53ee8cc1Swenshuai.xi #ifdef __cplusplus 181*53ee8cc1Swenshuai.xi } 182*53ee8cc1Swenshuai.xi #endif 183*53ee8cc1Swenshuai.xi #endif /* !_FCNTL_ */ 184