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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