1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
8 | |
8 | |
9 | #include "autoconf/config.h" |
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10 | |
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11 | #include <stddef.h> |
9 | #include <stddef.h> |
12 | #include <stdlib.h> |
10 | #include <stdlib.h> |
13 | #include <errno.h> |
11 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
12 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
18 | #include <limits.h> |
14 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
15 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #include <sched.h> |
16 | #include <sched.h> |
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17 | |
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18 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
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19 | # include <sys/mman.h> |
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20 | #endif |
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21 | |
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22 | /* the incompetent fool that created musl keeps __linux__, refuses |
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23 | * to implement any linux standard apis, and also has no way to test |
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24 | * for his broken iplementation. don't complain to me if this fails |
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25 | * for you. |
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26 | */ |
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27 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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28 | # include <linux/fs.h> |
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29 | # ifdef FS_IOC_FIEMAP |
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30 | # include <linux/types.h> |
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31 | # include <linux/fiemap.h> |
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32 | # define HAVE_FIEMAP 1 |
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33 | # endif |
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34 | #endif |
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35 | |
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36 | /* perl namespace pollution */ |
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37 | #undef VERSION |
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38 | |
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39 | /* perl stupidly overrides readdir and maybe others */ |
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40 | /* with thread-unsafe versions, imagine that :( */ |
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41 | #undef readdir |
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42 | #undef opendir |
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43 | #undef closedir |
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44 | |
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45 | #ifdef _WIN32 |
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46 | |
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47 | // perl overrides all those nice libc functions |
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48 | |
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49 | #undef malloc |
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50 | #undef free |
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51 | #undef open |
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52 | #undef read |
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53 | #undef write |
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54 | #undef send |
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55 | #undef recv |
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56 | #undef stat |
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57 | #undef lstat |
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58 | #undef fstat |
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59 | #undef truncate |
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60 | #undef ftruncate |
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61 | #undef open |
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62 | #undef link |
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63 | #undef close |
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64 | #undef unlink |
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65 | #undef mkdir |
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66 | #undef rmdir |
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67 | #undef rename |
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68 | #undef lseek |
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69 | #undef opendir |
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70 | #undef readdir |
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71 | #undef closedir |
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72 | #undef chmod |
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73 | #undef fchmod |
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74 | #undef dup |
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75 | #undef dup2 |
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76 | #undef abort |
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77 | #undef pipe |
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78 | |
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79 | #define EIO_STRUCT_STAT struct _stati64 |
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80 | #define EIO_STRUCT_STATI64 |
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81 | |
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82 | #else |
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83 | |
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84 | #include <sys/time.h> |
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85 | #include <sys/select.h> |
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86 | #include <unistd.h> |
23 | #include <utime.h> |
87 | #include <utime.h> |
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88 | #include <signal.h> |
24 | |
89 | |
25 | #if HAVE_SENDFILE |
90 | #define EIO_STRUCT_STAT Stat_t |
26 | # if __linux |
91 | |
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92 | #endif |
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93 | |
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94 | /*****************************************************************************/ |
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95 | |
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96 | #if __GNUC__ >= 3 |
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97 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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98 | #else |
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99 | # define expect(expr,value) (expr) |
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100 | #endif |
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101 | |
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102 | #define expect_false(expr) expect ((expr) != 0, 0) |
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103 | #define expect_true(expr) expect ((expr) != 0, 1) |
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104 | |
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105 | /*****************************************************************************/ |
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106 | |
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107 | #include "libeio/config.h" |
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108 | |
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109 | #include "schmorp.h" |
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110 | |
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111 | #if HAVE_EVENTFD |
27 | # include <sys/sendfile.h> |
112 | # include <sys/eventfd.h> |
28 | # elif __freebsd |
113 | #endif |
29 | # include <sys/socket.h> |
114 | |
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115 | #if HAVE_TIMERFD |
30 | # include <sys/uio.h> |
116 | # include <sys/timerfd.h> |
31 | # elif __hpux |
117 | #endif |
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118 | |
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119 | #if HAVE_RLIMITS |
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120 | #include <sys/time.h> |
32 | # include <sys/socket.h> |
121 | #include <sys/resource.h> |
33 | # elif __solaris /* not yet */ |
122 | #endif |
34 | # include <sys/sendfile.h> |
123 | |
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124 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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125 | typedef int aio_rfd; /* read file desriptor */ |
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126 | typedef int aio_wfd; /* write file descriptor */ |
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127 | |
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128 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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129 | |
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130 | #define EIO_REQ_MEMBERS \ |
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131 | SV *callback; \ |
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132 | SV *sv1, *sv2; \ |
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133 | SV *sv3, *sv4; \ |
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134 | STRLEN stroffset; \ |
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135 | SV *self; |
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136 | |
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137 | #define EIO_NO_WRAPPERS 1 |
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138 | |
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139 | #include "libeio/eio.h" |
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140 | |
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141 | static int req_invoke (eio_req *req); |
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142 | #define EIO_FINISH(req) req_invoke (req) |
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143 | static void req_destroy (eio_req *grp); |
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144 | #define EIO_DESTROY(req) req_destroy (req) |
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145 | |
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146 | #include "libeio/eio.c" |
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147 | |
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148 | #if !HAVE_POSIX_FADVISE |
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149 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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150 | #endif |
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151 | |
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152 | #if !HAVE_POSIX_MADVISE |
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153 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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154 | #endif |
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155 | |
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156 | #ifndef MAP_ANONYMOUS |
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157 | # ifdef MAP_ANON |
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158 | # define MAP_ANONYMOUS MAP_ANON |
35 | # else |
159 | # else |
36 | # error sendfile support requested but not available |
160 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
37 | # endif |
161 | # endif |
38 | #endif |
162 | #endif |
39 | |
163 | |
40 | /* number of seconds after which idle threads exit */ |
164 | /* defines all sorts of constants to 0 unless they are already defined */ |
41 | #define IDLE_TIMEOUT 10 |
165 | /* also provides const_iv_ and const_niv_ macros for them */ |
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166 | #include "def0.h" |
42 | |
167 | |
43 | /* used for struct dirent, AIX doesn't provide it */ |
168 | #ifndef makedev |
44 | #ifndef NAME_MAX |
169 | # define makedev(maj,min) (((maj) << 8) | (min)) |
45 | # define NAME_MAX 4096 |
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46 | #endif |
170 | #endif |
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171 | #ifndef major |
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172 | # define major(dev) ((dev) >> 8) |
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173 | #endif |
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174 | #ifndef minor |
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175 | # define minor(dev) ((dev) & 0xff) |
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176 | #endif |
47 | |
177 | |
48 | /* buffer size for various temporary buffers */ |
178 | #if PAGESIZE <= 0 |
49 | #define AIO_BUFSIZE 65536 |
179 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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180 | #endif |
50 | |
181 | |
51 | #define dBUF \ |
182 | /*****************************************************************************/ |
52 | char *aio_buf; \ |
183 | |
53 | LOCK (wrklock); \ |
184 | #if !_POSIX_MAPPED_FILES |
54 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
185 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
55 | UNLOCK (wrklock); \ |
186 | # define munmap(addr,length) EIO_ENOSYS () |
56 | if (!aio_buf) \ |
187 | #endif |
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188 | |
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189 | #if !_POSIX_MEMORY_PROTECTION |
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190 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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191 | #endif |
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192 | |
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193 | #if !MREMAP_MAYMOVE |
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194 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
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195 | #endif |
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196 | |
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197 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
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198 | |
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199 | static int ecb_cold |
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200 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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201 | { |
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202 | int old_errno = errno; |
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203 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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204 | errno = old_errno; |
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205 | |
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206 | mg->mg_obj = 0; /* just in case */ |
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207 | |
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208 | SvREADONLY_off (sv); |
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209 | |
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210 | if (SvPVX (sv) != mg->mg_ptr) |
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211 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
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212 | |
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213 | SvCUR_set (sv, 0); |
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214 | SvPVX (sv) = 0; |
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215 | SvOK_off (sv); |
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216 | |
57 | return -1; |
217 | return 0; |
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218 | } |
58 | |
219 | |
59 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
220 | static MGVTBL mmap_vtbl = { |
60 | |
221 | 0, 0, 0, 0, mmap_free |
61 | enum { |
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62 | REQ_QUIT, |
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63 | REQ_OPEN, REQ_CLOSE, |
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64 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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65 | REQ_SENDFILE, |
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66 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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67 | REQ_UTIME, REQ_FUTIME, /* must be consecutive */ |
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68 | REQ_CHMOD, REQ_FCHMOD, /* must be consecutive */ |
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69 | REQ_CHOWN, REQ_FCHOWN, /* must be consecutive */ |
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70 | REQ_FSYNC, REQ_FDATASYNC, |
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71 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
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72 | REQ_MKNOD, REQ_READDIR, |
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73 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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74 | REQ_GROUP, REQ_NOP, |
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75 | REQ_BUSY, |
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76 | }; |
222 | }; |
77 | |
223 | |
78 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
224 | static int ecb_cold |
79 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
225 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
80 | |
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81 | typedef struct aio_cb |
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82 | { |
226 | { |
83 | struct aio_cb *volatile next; |
227 | free (mg->mg_ptr); |
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228 | mg->mg_obj = 0; /* just in case */ |
84 | |
229 | |
85 | SV *callback; |
230 | SvREADONLY_off (sv); |
86 | SV *sv1, *sv2; |
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87 | void *ptr1, *ptr2; |
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88 | off_t offs; |
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89 | size_t size; |
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90 | ssize_t result; |
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91 | double nv1, nv2; |
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92 | |
231 | |
93 | STRLEN stroffset; |
232 | if (SvPVX (sv) != mg->mg_ptr) |
94 | int type; |
233 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
95 | int int1, int2, int3; |
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96 | int errorno; |
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97 | mode_t mode; /* open */ |
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98 | |
234 | |
99 | unsigned char flags; |
235 | SvCUR_set (sv, 0); |
100 | unsigned char pri; |
236 | SvPVX (sv) = 0; |
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237 | SvOK_off (sv); |
101 | |
238 | |
102 | SV *self; /* the perl counterpart of this request, if any */ |
239 | return 0; |
103 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
240 | } |
104 | } aio_cb; |
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105 | |
241 | |
106 | enum { |
242 | static MGVTBL sysfree_vtbl = { |
107 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
243 | 0, 0, 0, 0, sysfree_free |
108 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
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109 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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110 | }; |
244 | }; |
111 | |
245 | |
112 | typedef aio_cb *aio_req; |
246 | /*****************************************************************************/ |
113 | typedef aio_cb *aio_req_ornot; |
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114 | |
247 | |
115 | enum { |
248 | /* helper: set scalar to foreign ptr with custom free */ |
116 | PRI_MIN = -4, |
249 | static void |
117 | PRI_MAX = 4, |
250 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
118 | |
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119 | DEFAULT_PRI = 0, |
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120 | PRI_BIAS = -PRI_MIN, |
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121 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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122 | }; |
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123 | |
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124 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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125 | |
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126 | static unsigned int max_poll_time = 0; |
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127 | static unsigned int max_poll_reqs = 0; |
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128 | |
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129 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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130 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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131 | { |
251 | { |
132 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
252 | sv_force_normal (sv); |
133 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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134 | } |
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135 | |
253 | |
136 | static thread_t main_tid; |
254 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
137 | static int main_sig; |
255 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
138 | static int block_sig_level; |
256 | ->mg_obj = (SV *)length; |
139 | |
257 | |
140 | void block_sig () |
258 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
141 | { |
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142 | sigset_t ss; |
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143 | |
259 | |
144 | if (block_sig_level++) |
260 | if (SvLEN (sv)) |
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261 | Safefree (SvPVX (sv)); |
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262 | |
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263 | SvPVX (sv) = (char *)addr; |
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264 | SvCUR_set (sv, length); |
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265 | SvLEN_set (sv, 0); |
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266 | SvPOK_only (sv); |
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267 | } |
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268 | |
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269 | static void |
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270 | sv_clear_foreign (SV *sv) |
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271 | { |
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272 | /* todo: iterate over magic and only free ours, but of course */ |
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273 | /* the perl5porters will call that (correct) behaviour buggy */ |
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274 | sv_unmagic (sv, FOREIGN_MAGIC); |
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275 | } |
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276 | |
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277 | /*****************************************************************************/ |
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278 | |
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279 | static void |
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280 | fiemap (eio_req *req) |
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281 | { |
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282 | req->result = -1; |
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283 | |
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284 | #if HAVE_FIEMAP |
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285 | /* assume some c99 */ |
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286 | struct fiemap *fiemap = 0; |
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287 | size_t end_offset; |
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288 | int count = req->int3; |
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289 | |
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290 | req->flags |= EIO_FLAG_PTR1_FREE; |
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291 | |
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292 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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293 | /* increase in 3.5kb steps */ |
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294 | if (count < 0) |
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295 | count = 8; |
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296 | |
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297 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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298 | errno = ENOMEM; |
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299 | if (!fiemap) |
145 | return; |
300 | return; |
146 | |
301 | |
147 | if (!main_sig) |
302 | req->ptr1 = fiemap; |
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303 | |
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304 | fiemap->fm_start = req->offs; |
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305 | fiemap->fm_length = req->size; |
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306 | fiemap->fm_flags = req->int2; |
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307 | fiemap->fm_extent_count = count; |
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308 | |
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309 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
148 | return; |
310 | return; |
149 | |
311 | |
150 | sigemptyset (&ss); |
312 | if (req->int3 >= 0 /* not autosizing */ |
151 | sigaddset (&ss, main_sig); |
313 | || !fiemap->fm_mapped_extents /* no more extents */ |
152 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
314 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
153 | } |
315 | goto done; |
154 | |
316 | |
155 | void unblock_sig () |
317 | /* else we have to loop - |
156 | { |
318 | * it would be tempting (actually I tried that first) to just query the |
157 | sigset_t ss; |
319 | * number of extents needed, but linux often feels like not returning all |
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320 | * extents, without telling us it left any out. this complicates |
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321 | * this quite a bit. |
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322 | */ |
158 | |
323 | |
159 | if (--block_sig_level) |
324 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
160 | return; |
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161 | |
325 | |
162 | if (!main_sig) |
326 | for (;;) |
163 | return; |
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164 | |
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165 | sigemptyset (&ss); |
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166 | sigaddset (&ss, main_sig); |
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167 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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168 | } |
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169 | |
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170 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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171 | |
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172 | static unsigned int started, idle, wanted; |
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173 | |
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174 | /* worker threads management */ |
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175 | static mutex_t wrklock = MUTEX_INIT; |
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176 | |
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177 | typedef struct worker { |
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178 | /* locked by wrklock */ |
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179 | struct worker *prev, *next; |
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180 | |
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181 | thread_t tid; |
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182 | |
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183 | /* locked by reslock, reqlock or wrklock */ |
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184 | aio_req req; /* currently processed request */ |
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185 | void *dbuf; |
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186 | DIR *dirp; |
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187 | } worker; |
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188 | |
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189 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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190 | |
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191 | static void worker_clear (worker *wrk) |
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192 | { |
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193 | if (wrk->dirp) |
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194 | { |
327 | { |
195 | closedir (wrk->dirp); |
328 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
196 | wrk->dirp = 0; |
329 | char scratch[3072]; |
197 | } |
330 | struct fiemap *incmap = (struct fiemap *)scratch; |
198 | |
331 | |
199 | if (wrk->dbuf) |
332 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
200 | { |
333 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
201 | free (wrk->dbuf); |
334 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
202 | wrk->dbuf = 0; |
335 | incmap->fm_flags = fiemap->fm_flags; |
203 | } |
336 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
204 | } |
|
|
205 | |
337 | |
206 | static void worker_free (worker *wrk) |
338 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
207 | { |
|
|
208 | wrk->next->prev = wrk->prev; |
|
|
209 | wrk->prev->next = wrk->next; |
|
|
210 | |
|
|
211 | free (wrk); |
|
|
212 | } |
|
|
213 | |
|
|
214 | static volatile unsigned int nreqs, nready, npending; |
|
|
215 | static volatile unsigned int max_idle = 4; |
|
|
216 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
217 | static int respipe [2]; |
|
|
218 | |
|
|
219 | static mutex_t reslock = MUTEX_INIT; |
|
|
220 | static mutex_t reqlock = MUTEX_INIT; |
|
|
221 | static cond_t reqwait = COND_INIT; |
|
|
222 | |
|
|
223 | #if WORDACCESS_UNSAFE |
|
|
224 | |
|
|
225 | static unsigned int get_nready () |
|
|
226 | { |
|
|
227 | unsigned int retval; |
|
|
228 | |
|
|
229 | LOCK (reqlock); |
|
|
230 | retval = nready; |
|
|
231 | UNLOCK (reqlock); |
|
|
232 | |
|
|
233 | return retval; |
|
|
234 | } |
|
|
235 | |
|
|
236 | static unsigned int get_npending () |
|
|
237 | { |
|
|
238 | unsigned int retval; |
|
|
239 | |
|
|
240 | LOCK (reslock); |
|
|
241 | retval = npending; |
|
|
242 | UNLOCK (reslock); |
|
|
243 | |
|
|
244 | return retval; |
|
|
245 | } |
|
|
246 | |
|
|
247 | static unsigned int get_nthreads () |
|
|
248 | { |
|
|
249 | unsigned int retval; |
|
|
250 | |
|
|
251 | LOCK (wrklock); |
|
|
252 | retval = started; |
|
|
253 | UNLOCK (wrklock); |
|
|
254 | |
|
|
255 | return retval; |
|
|
256 | } |
|
|
257 | |
|
|
258 | #else |
|
|
259 | |
|
|
260 | # define get_nready() nready |
|
|
261 | # define get_npending() npending |
|
|
262 | # define get_nthreads() started |
|
|
263 | |
|
|
264 | #endif |
|
|
265 | |
|
|
266 | /* |
|
|
267 | * a somewhat faster data structure might be nice, but |
|
|
268 | * with 8 priorities this actually needs <20 insns |
|
|
269 | * per shift, the most expensive operation. |
|
|
270 | */ |
|
|
271 | typedef struct { |
|
|
272 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
273 | int size; |
|
|
274 | } reqq; |
|
|
275 | |
|
|
276 | static reqq req_queue; |
|
|
277 | static reqq res_queue; |
|
|
278 | |
|
|
279 | int reqq_push (reqq *q, aio_req req) |
|
|
280 | { |
|
|
281 | int pri = req->pri; |
|
|
282 | req->next = 0; |
|
|
283 | |
|
|
284 | if (q->qe[pri]) |
|
|
285 | { |
|
|
286 | q->qe[pri]->next = req; |
|
|
287 | q->qe[pri] = req; |
|
|
288 | } |
|
|
289 | else |
|
|
290 | q->qe[pri] = q->qs[pri] = req; |
|
|
291 | |
|
|
292 | return q->size++; |
|
|
293 | } |
|
|
294 | |
|
|
295 | aio_req reqq_shift (reqq *q) |
|
|
296 | { |
|
|
297 | int pri; |
|
|
298 | |
|
|
299 | if (!q->size) |
|
|
300 | return 0; |
339 | return; |
301 | |
340 | |
302 | --q->size; |
341 | if (!incmap->fm_mapped_extents) |
|
|
342 | goto done; |
303 | |
343 | |
304 | for (pri = NUM_PRI; pri--; ) |
344 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
305 | { |
345 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
306 | aio_req req = q->qs[pri]; |
346 | errno = ENOMEM; |
307 | |
|
|
308 | if (req) |
347 | if (!fiemap) |
|
|
348 | return; |
|
|
349 | |
|
|
350 | req->ptr1 = fiemap; |
|
|
351 | |
|
|
352 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
309 | { |
353 | { |
310 | if (!(q->qs[pri] = req->next)) |
354 | struct fiemap_extent *e = incmap->fm_extents + count; |
311 | q->qe[pri] = 0; |
|
|
312 | |
355 | |
313 | return req; |
356 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
357 | goto done; |
|
|
358 | |
|
|
359 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
360 | |
|
|
361 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
362 | goto done; |
|
|
363 | |
314 | } |
364 | } |
315 | } |
365 | } |
316 | |
366 | |
317 | abort (); |
367 | done: |
318 | } |
368 | req->result = 0; |
319 | |
369 | |
320 | static int poll_cb (); |
370 | #else |
321 | static int req_invoke (aio_req req); |
371 | errno = ENOSYS; |
|
|
372 | #endif |
|
|
373 | } |
|
|
374 | |
|
|
375 | /*****************************************************************************/ |
|
|
376 | |
|
|
377 | enum { |
|
|
378 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
379 | }; |
|
|
380 | |
|
|
381 | typedef eio_req *aio_req; |
|
|
382 | typedef eio_req *aio_req_ornot; |
|
|
383 | typedef eio_wd aio_wd; |
|
|
384 | |
|
|
385 | static SV *on_next_submit; |
|
|
386 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
387 | static int max_outstanding; |
|
|
388 | |
|
|
389 | static s_epipe respipe; |
|
|
390 | |
322 | static void req_free (aio_req req); |
391 | static void req_destroy (aio_req req); |
323 | static void req_cancel (aio_req req); |
392 | static void req_cancel (aio_req req); |
324 | |
393 | |
|
|
394 | static void |
|
|
395 | want_poll (void) |
|
|
396 | { |
|
|
397 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
398 | s_epipe_signal (&respipe); |
|
|
399 | } |
|
|
400 | |
|
|
401 | static void |
|
|
402 | done_poll (void) |
|
|
403 | { |
|
|
404 | /* read any signals sent by the worker threads */ |
|
|
405 | s_epipe_drain (&respipe); |
|
|
406 | } |
|
|
407 | |
325 | /* must be called at most once */ |
408 | /* must be called at most once */ |
326 | static SV *req_sv (aio_req req, const char *klass) |
409 | static SV * |
|
|
410 | req_sv (aio_req req, HV *stash) |
327 | { |
411 | { |
328 | if (!req->self) |
412 | if (!req->self) |
329 | { |
413 | { |
330 | req->self = (SV *)newHV (); |
414 | req->self = (SV *)newHV (); |
331 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
415 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
332 | } |
416 | } |
333 | |
417 | |
334 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
418 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
335 | } |
419 | } |
336 | |
420 | |
337 | static aio_req SvAIO_REQ (SV *sv) |
421 | static SV * |
|
|
422 | newSVaio_wd (aio_wd wd) |
|
|
423 | { |
|
|
424 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
425 | } |
|
|
426 | |
|
|
427 | static aio_req |
|
|
428 | SvAIO_REQ (SV *sv) |
338 | { |
429 | { |
339 | MAGIC *mg; |
430 | MAGIC *mg; |
340 | |
431 | |
341 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
432 | if (!SvROK (sv) |
|
|
433 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
434 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
435 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
436 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
342 | croak ("object of class " AIO_REQ_KLASS " expected"); |
437 | croak ("object of class IO::AIO::REQ expected"); |
343 | |
438 | |
344 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
439 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
345 | |
440 | |
346 | return mg ? (aio_req)mg->mg_ptr : 0; |
441 | return mg ? (aio_req)mg->mg_ptr : 0; |
347 | } |
442 | } |
348 | |
443 | |
|
|
444 | static aio_wd |
|
|
445 | SvAIO_WD (SV *sv) |
|
|
446 | { |
|
|
447 | if (!SvROK (sv) |
|
|
448 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
449 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
450 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
451 | |
|
|
452 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
453 | } |
|
|
454 | |
|
|
455 | static SV * |
|
|
456 | newmortalFH (int fd, int flags) |
|
|
457 | { |
|
|
458 | if (fd < 0) |
|
|
459 | return &PL_sv_undef; |
|
|
460 | |
|
|
461 | GV *gv = (GV *)sv_newmortal (); |
|
|
462 | char sym[64]; |
|
|
463 | int symlen; |
|
|
464 | |
|
|
465 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
466 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
467 | |
|
|
468 | symlen = snprintf ( |
|
|
469 | sym, |
|
|
470 | sizeof (sym), |
|
|
471 | "%s&=%d", |
|
|
472 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
473 | fd |
|
|
474 | ); |
|
|
475 | |
|
|
476 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
477 | ? (SV *)gv : &PL_sv_undef; |
|
|
478 | } |
|
|
479 | |
|
|
480 | static void |
349 | static void aio_grp_feed (aio_req grp) |
481 | aio_grp_feed (aio_req grp) |
350 | { |
482 | { |
351 | block_sig (); |
483 | if (grp->sv2 && SvOK (grp->sv2)) |
352 | |
|
|
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
354 | { |
484 | { |
355 | int old_len = grp->size; |
|
|
356 | |
|
|
357 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
358 | { |
|
|
359 | dSP; |
485 | dSP; |
360 | |
486 | |
361 | ENTER; |
487 | ENTER; |
362 | SAVETMPS; |
488 | SAVETMPS; |
363 | PUSHMARK (SP); |
489 | PUSHMARK (SP); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
490 | XPUSHs (req_sv (grp, aio_grp_stash)); |
365 | PUTBACK; |
491 | PUTBACK; |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
492 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
367 | SPAGAIN; |
493 | SPAGAIN; |
368 | FREETMPS; |
494 | FREETMPS; |
369 | LEAVE; |
495 | LEAVE; |
370 | } |
|
|
371 | |
|
|
372 | /* stop if no progress has been made */ |
|
|
373 | if (old_len == grp->size) |
|
|
374 | { |
|
|
375 | SvREFCNT_dec (grp->sv2); |
|
|
376 | grp->sv2 = 0; |
|
|
377 | break; |
|
|
378 | } |
|
|
379 | } |
496 | } |
380 | |
|
|
381 | unblock_sig (); |
|
|
382 | } |
497 | } |
383 | |
498 | |
384 | static void aio_grp_dec (aio_req grp) |
499 | static void |
|
|
500 | req_submit (eio_req *req) |
385 | { |
501 | { |
386 | --grp->size; |
502 | eio_submit (req); |
387 | |
503 | |
388 | /* call feeder, if applicable */ |
504 | if (expect_false (on_next_submit)) |
389 | aio_grp_feed (grp); |
|
|
390 | |
|
|
391 | /* finish, if done */ |
|
|
392 | if (!grp->size && grp->int1) |
|
|
393 | { |
505 | { |
394 | block_sig (); |
506 | dSP; |
|
|
507 | SV *cb = sv_2mortal (on_next_submit); |
395 | |
508 | |
396 | if (!req_invoke (grp)) |
509 | on_next_submit = 0; |
397 | { |
|
|
398 | req_free (grp); |
|
|
399 | unblock_sig (); |
|
|
400 | croak (0); |
|
|
401 | } |
|
|
402 | |
510 | |
403 | req_free (grp); |
511 | PUSHMARK (SP); |
404 | unblock_sig (); |
512 | PUTBACK; |
|
|
513 | call_sv (cb, G_DISCARD | G_EVAL); |
405 | } |
514 | } |
406 | } |
515 | } |
407 | |
516 | |
|
|
517 | static int |
408 | static int req_invoke (aio_req req) |
518 | req_invoke (eio_req *req) |
409 | { |
519 | { |
410 | dSP; |
|
|
411 | |
|
|
412 | if (req->flags & FLAG_SV1_RO_OFF) |
520 | if (req->flags & FLAG_SV2_RO_OFF) |
413 | SvREADONLY_off (req->sv1); |
521 | SvREADONLY_off (req->sv2); |
414 | |
522 | |
415 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
523 | if (!EIO_CANCELLED (req) && req->callback) |
416 | { |
524 | { |
|
|
525 | dSP; |
|
|
526 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
527 | SV *sv_result; |
|
|
528 | |
417 | ENTER; |
529 | ENTER; |
418 | SAVETMPS; |
530 | SAVETMPS; |
419 | PUSHMARK (SP); |
531 | PUSHMARK (SP); |
420 | EXTEND (SP, 1); |
532 | EXTEND (SP, 1); |
421 | |
533 | |
|
|
534 | /* do not recreate the result IV from scratch each time */ |
|
|
535 | if (expect_true (sv_result_cache)) |
|
|
536 | { |
|
|
537 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
538 | SvIV_set (sv_result, req->result); |
|
|
539 | SvIOK_only (sv_result); |
|
|
540 | } |
|
|
541 | else |
|
|
542 | { |
|
|
543 | sv_result = newSViv (req->result); |
|
|
544 | SvREADONLY_on (sv_result); |
|
|
545 | } |
|
|
546 | |
422 | switch (req->type) |
547 | switch (req->type) |
423 | { |
548 | { |
|
|
549 | case EIO_WD_OPEN: |
|
|
550 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
551 | break; |
|
|
552 | |
424 | case REQ_READDIR: |
553 | case EIO_READDIR: |
425 | { |
554 | { |
426 | SV *rv = &PL_sv_undef; |
555 | SV *rv = &PL_sv_undef; |
427 | |
556 | |
428 | if (req->result >= 0) |
557 | if (req->result >= 0) |
429 | { |
558 | { |
430 | int i; |
559 | int i; |
431 | char *buf = req->ptr2; |
560 | char *names = (char *)req->ptr2; |
|
|
561 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
432 | AV *av = newAV (); |
562 | AV *av = newAV (); |
433 | |
563 | |
434 | av_extend (av, req->result - 1); |
564 | av_extend (av, req->result - 1); |
435 | |
565 | |
436 | for (i = 0; i < req->result; ++i) |
566 | for (i = 0; i < req->result; ++i) |
437 | { |
567 | { |
438 | SV *sv = newSVpv (buf, 0); |
568 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
569 | { |
|
|
570 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
439 | |
571 | |
|
|
572 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
573 | { |
|
|
574 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
575 | AV *avent = newAV (); |
|
|
576 | |
|
|
577 | av_extend (avent, 2); |
|
|
578 | |
|
|
579 | if (!sv_type [ent->type]) |
|
|
580 | { |
|
|
581 | sv_type [ent->type] = newSViv (ent->type); |
|
|
582 | SvREADONLY_on (sv_type [ent->type]); |
|
|
583 | } |
|
|
584 | |
|
|
585 | av_store (avent, 0, namesv); |
|
|
586 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
587 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
588 | |
|
|
589 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
590 | } |
|
|
591 | else |
440 | av_store (av, i, sv); |
592 | av_store (av, i, namesv); |
|
|
593 | |
|
|
594 | ++ent; |
|
|
595 | } |
|
|
596 | else |
|
|
597 | { |
|
|
598 | SV *name = newSVpv (names, 0); |
|
|
599 | av_store (av, i, name); |
441 | buf += SvCUR (sv) + 1; |
600 | names += SvCUR (name) + 1; |
|
|
601 | } |
442 | } |
602 | } |
443 | |
603 | |
444 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
604 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
445 | } |
605 | } |
446 | |
606 | |
447 | PUSHs (rv); |
607 | PUSHs (rv); |
|
|
608 | |
|
|
609 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
610 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
448 | } |
611 | } |
449 | break; |
612 | break; |
450 | |
613 | |
451 | case REQ_OPEN: |
614 | case EIO_OPEN: |
|
|
615 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
616 | break; |
|
|
617 | |
|
|
618 | case EIO_STATVFS: |
|
|
619 | case EIO_FSTATVFS: |
452 | { |
620 | { |
453 | /* convert fd to fh */ |
621 | SV *rv = &PL_sv_undef; |
454 | SV *fh; |
622 | |
|
|
623 | #ifndef _WIN32 |
|
|
624 | if (req->result >= 0) |
|
|
625 | { |
|
|
626 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
627 | HV *hv = newHV (); |
|
|
628 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
629 | * chooses to make it a struct. |
|
|
630 | */ |
|
|
631 | unsigned long fsid = 0; |
|
|
632 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
455 | |
633 | |
456 | PUSHs (sv_2mortal (newSViv (req->result))); |
634 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
457 | PUTBACK; |
|
|
458 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
459 | SPAGAIN; |
|
|
460 | |
635 | |
461 | fh = POPs; |
636 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
462 | PUSHMARK (SP); |
637 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
638 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
639 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
640 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
641 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
642 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
643 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
644 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
645 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
646 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
647 | } |
|
|
648 | #endif |
|
|
649 | |
463 | XPUSHs (fh); |
650 | PUSHs (rv); |
464 | } |
651 | } |
|
|
652 | |
465 | break; |
653 | break; |
466 | |
654 | |
467 | case REQ_GROUP: |
655 | case EIO_GROUP: |
468 | req->int1 = 2; /* mark group as finished */ |
656 | req->int1 = 2; /* mark group as finished */ |
469 | |
657 | |
470 | if (req->sv1) |
658 | if (req->sv1) |
471 | { |
659 | { |
472 | int i; |
660 | int i; |
… | |
… | |
476 | for (i = 0; i <= AvFILL (av); ++i) |
664 | for (i = 0; i <= AvFILL (av); ++i) |
477 | PUSHs (*av_fetch (av, i, 0)); |
665 | PUSHs (*av_fetch (av, i, 0)); |
478 | } |
666 | } |
479 | break; |
667 | break; |
480 | |
668 | |
481 | case REQ_NOP: |
669 | case EIO_NOP: |
482 | case REQ_BUSY: |
670 | case EIO_BUSY: |
483 | break; |
671 | break; |
484 | |
672 | |
485 | case REQ_READLINK: |
673 | case EIO_READLINK: |
|
|
674 | case EIO_REALPATH: |
486 | if (req->result > 0) |
675 | if (req->result > 0) |
|
|
676 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
677 | break; |
|
|
678 | |
|
|
679 | case EIO_STAT: |
|
|
680 | case EIO_LSTAT: |
|
|
681 | case EIO_FSTAT: |
|
|
682 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
683 | |
|
|
684 | if (!(PL_laststatval = req->result)) |
|
|
685 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
686 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
687 | |
|
|
688 | PUSHs (sv_result); |
|
|
689 | break; |
|
|
690 | |
|
|
691 | case EIO_SEEK: |
|
|
692 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
693 | break; |
|
|
694 | |
|
|
695 | case EIO_READ: |
|
|
696 | { |
|
|
697 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
698 | *SvEND (req->sv2) = 0; |
|
|
699 | SvPOK_only (req->sv2); |
|
|
700 | SvSETMAGIC (req->sv2); |
|
|
701 | PUSHs (sv_result); |
|
|
702 | } |
|
|
703 | break; |
|
|
704 | |
|
|
705 | case EIO_SLURP: |
|
|
706 | { |
|
|
707 | if (req->result >= 0) |
|
|
708 | { |
|
|
709 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
710 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
711 | { |
|
|
712 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
713 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
714 | } |
|
|
715 | else |
|
|
716 | { |
|
|
717 | SvCUR_set (req->sv2, req->result); |
|
|
718 | *SvEND (req->sv2) = 0; |
|
|
719 | SvPOK_only (req->sv2); |
|
|
720 | } |
|
|
721 | |
|
|
722 | SvSETMAGIC (req->sv2); |
|
|
723 | } |
|
|
724 | |
|
|
725 | PUSHs (sv_result); |
|
|
726 | } |
|
|
727 | break; |
|
|
728 | |
|
|
729 | case EIO_CUSTOM: |
|
|
730 | if (req->feed == fiemap) |
487 | { |
731 | { |
488 | SvCUR_set (req->sv2, req->result); |
732 | #if HAVE_FIEMAP |
489 | *SvEND (req->sv2) = 0; |
|
|
490 | PUSHs (req->sv2); |
733 | if (!req->result) |
|
|
734 | { |
|
|
735 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
736 | |
|
|
737 | if (fiemap->fm_extent_count) |
|
|
738 | { |
|
|
739 | AV *av = newAV (); |
|
|
740 | int i; |
|
|
741 | |
|
|
742 | while (fiemap->fm_mapped_extents) |
|
|
743 | { |
|
|
744 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
745 | AV *ext_av = newAV (); |
|
|
746 | |
|
|
747 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
748 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
749 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
750 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
751 | |
|
|
752 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
753 | } |
|
|
754 | |
|
|
755 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
756 | } |
|
|
757 | else |
|
|
758 | { |
|
|
759 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
760 | PUSHs (sv_result); |
|
|
761 | } |
|
|
762 | } |
|
|
763 | #endif |
491 | } |
764 | } |
|
|
765 | else |
|
|
766 | PUSHs (sv_result); |
492 | break; |
767 | break; |
493 | |
768 | |
494 | case REQ_STAT: |
769 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
495 | case REQ_LSTAT: |
770 | if (req->result > 0) |
496 | case REQ_FSTAT: |
771 | SvIV_set (sv_result, 0); |
497 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
772 | /* FALLTHROUGH */ |
498 | PL_laststatval = req->result; |
|
|
499 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
500 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
501 | break; |
|
|
502 | |
|
|
503 | case REQ_READ: |
|
|
504 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
505 | *SvEND (req->sv2) = 0; |
|
|
506 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
507 | break; |
|
|
508 | |
773 | |
509 | default: |
774 | default: |
510 | PUSHs (sv_2mortal (newSViv (req->result))); |
775 | PUSHs (sv_result); |
511 | break; |
776 | break; |
512 | } |
777 | } |
513 | |
778 | |
514 | errno = req->errorno; |
779 | errno = req->errorno; |
515 | |
780 | |
516 | PUTBACK; |
781 | PUTBACK; |
517 | call_sv (req->callback, G_VOID | G_EVAL); |
782 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
518 | SPAGAIN; |
783 | SPAGAIN; |
|
|
784 | |
|
|
785 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
786 | SvREFCNT_dec (sv_result); |
|
|
787 | else |
|
|
788 | sv_result_cache = sv_result; |
519 | |
789 | |
520 | FREETMPS; |
790 | FREETMPS; |
521 | LEAVE; |
791 | LEAVE; |
|
|
792 | |
|
|
793 | PUTBACK; |
522 | } |
794 | } |
523 | |
795 | |
524 | if (req->grp) |
|
|
525 | { |
|
|
526 | aio_req grp = req->grp; |
|
|
527 | |
|
|
528 | /* unlink request */ |
|
|
529 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
530 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
531 | |
|
|
532 | if (grp->grp_first == req) |
|
|
533 | grp->grp_first = req->grp_next; |
|
|
534 | |
|
|
535 | aio_grp_dec (grp); |
|
|
536 | } |
|
|
537 | |
|
|
538 | return !SvTRUE (ERRSV); |
796 | return !!SvTRUE (ERRSV); |
539 | } |
797 | } |
540 | |
798 | |
541 | static void req_free (aio_req req) |
799 | static void |
|
|
800 | req_destroy (aio_req req) |
542 | { |
801 | { |
543 | if (req->self) |
802 | if (req->self) |
544 | { |
803 | { |
545 | sv_unmagic (req->self, PERL_MAGIC_ext); |
804 | sv_unmagic (req->self, PERL_MAGIC_ext); |
546 | SvREFCNT_dec (req->self); |
805 | SvREFCNT_dec (req->self); |
547 | } |
806 | } |
548 | |
807 | |
549 | SvREFCNT_dec (req->sv1); |
808 | SvREFCNT_dec (req->sv1); |
550 | SvREFCNT_dec (req->sv2); |
809 | SvREFCNT_dec (req->sv2); |
|
|
810 | SvREFCNT_dec (req->sv3); |
|
|
811 | SvREFCNT_dec (req->sv4); |
551 | SvREFCNT_dec (req->callback); |
812 | SvREFCNT_dec (req->callback); |
552 | |
813 | |
553 | if (req->flags & FLAG_PTR2_FREE) |
|
|
554 | free (req->ptr2); |
|
|
555 | |
|
|
556 | Safefree (req); |
814 | free (req); |
557 | } |
815 | } |
558 | |
816 | |
|
|
817 | static void |
559 | static void req_cancel_subs (aio_req grp) |
818 | req_cancel_subs (aio_req grp) |
560 | { |
819 | { |
561 | aio_req sub; |
|
|
562 | |
|
|
563 | if (grp->type != REQ_GROUP) |
820 | if (grp->type != EIO_GROUP) |
564 | return; |
821 | return; |
565 | |
822 | |
566 | SvREFCNT_dec (grp->sv2); |
823 | SvREFCNT_dec (grp->sv2); |
567 | grp->sv2 = 0; |
824 | grp->sv2 = 0; |
568 | |
825 | |
569 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
826 | eio_grp_cancel (grp); |
570 | req_cancel (sub); |
|
|
571 | } |
827 | } |
572 | |
828 | |
573 | static void req_cancel (aio_req req) |
829 | static void ecb_cold |
|
|
830 | create_respipe (void) |
574 | { |
831 | { |
575 | req->flags |= FLAG_CANCELLED; |
832 | if (s_epipe_renew (&respipe)) |
576 | |
833 | croak ("IO::AIO: unable to initialize result pipe"); |
577 | req_cancel_subs (req); |
|
|
578 | } |
834 | } |
579 | |
835 | |
580 | static void *aio_proc(void *arg); |
836 | static void |
581 | |
837 | poll_wait (void) |
582 | static void start_thread (void) |
|
|
583 | { |
838 | { |
584 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
585 | |
|
|
586 | if (!wrk) |
|
|
587 | croak ("unable to allocate worker thread data"); |
|
|
588 | |
|
|
589 | LOCK (wrklock); |
|
|
590 | |
|
|
591 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
592 | { |
|
|
593 | wrk->prev = &wrk_first; |
|
|
594 | wrk->next = wrk_first.next; |
|
|
595 | wrk_first.next->prev = wrk; |
|
|
596 | wrk_first.next = wrk; |
|
|
597 | ++started; |
|
|
598 | } |
|
|
599 | else |
|
|
600 | free (wrk); |
|
|
601 | |
|
|
602 | UNLOCK (wrklock); |
|
|
603 | } |
|
|
604 | |
|
|
605 | static void maybe_start_thread () |
|
|
606 | { |
|
|
607 | if (get_nthreads () >= wanted) |
|
|
608 | return; |
|
|
609 | |
|
|
610 | /* todo: maybe use idle here, but might be less exact */ |
|
|
611 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
612 | return; |
|
|
613 | |
|
|
614 | start_thread (); |
|
|
615 | } |
|
|
616 | |
|
|
617 | static void req_send (aio_req req) |
|
|
618 | { |
|
|
619 | block_sig (); |
|
|
620 | |
|
|
621 | ++nreqs; |
|
|
622 | |
|
|
623 | LOCK (reqlock); |
|
|
624 | ++nready; |
|
|
625 | reqq_push (&req_queue, req); |
|
|
626 | COND_SIGNAL (reqwait); |
|
|
627 | UNLOCK (reqlock); |
|
|
628 | |
|
|
629 | unblock_sig (); |
|
|
630 | |
|
|
631 | maybe_start_thread (); |
|
|
632 | } |
|
|
633 | |
|
|
634 | static void end_thread (void) |
|
|
635 | { |
|
|
636 | aio_req req; |
|
|
637 | |
|
|
638 | Newz (0, req, 1, aio_cb); |
|
|
639 | |
|
|
640 | req->type = REQ_QUIT; |
|
|
641 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
642 | |
|
|
643 | LOCK (reqlock); |
|
|
644 | reqq_push (&req_queue, req); |
|
|
645 | COND_SIGNAL (reqwait); |
|
|
646 | UNLOCK (reqlock); |
|
|
647 | |
|
|
648 | LOCK (wrklock); |
|
|
649 | --started; |
|
|
650 | UNLOCK (wrklock); |
|
|
651 | } |
|
|
652 | |
|
|
653 | static void set_max_idle (int nthreads) |
|
|
654 | { |
|
|
655 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
656 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
657 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
658 | } |
|
|
659 | |
|
|
660 | static void min_parallel (int nthreads) |
|
|
661 | { |
|
|
662 | if (wanted < nthreads) |
|
|
663 | wanted = nthreads; |
|
|
664 | } |
|
|
665 | |
|
|
666 | static void max_parallel (int nthreads) |
|
|
667 | { |
|
|
668 | if (wanted > nthreads) |
|
|
669 | wanted = nthreads; |
|
|
670 | |
|
|
671 | while (started > wanted) |
|
|
672 | end_thread (); |
|
|
673 | } |
|
|
674 | |
|
|
675 | static void poll_wait () |
|
|
676 | { |
|
|
677 | fd_set rfd; |
|
|
678 | |
|
|
679 | while (nreqs) |
839 | while (eio_nreqs ()) |
680 | { |
840 | { |
681 | int size; |
841 | int size; |
682 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
842 | |
|
|
843 | X_LOCK (EIO_POOL->reslock); |
683 | size = res_queue.size; |
844 | size = EIO_POOL->res_queue.size; |
684 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
845 | X_UNLOCK (EIO_POOL->reslock); |
685 | |
846 | |
686 | if (size) |
847 | if (size) |
687 | return; |
848 | return; |
688 | |
849 | |
689 | maybe_start_thread (); |
850 | etp_maybe_start_thread (EIO_POOL); |
690 | |
851 | |
691 | FD_ZERO(&rfd); |
852 | s_epipe_wait (&respipe); |
692 | FD_SET(respipe [0], &rfd); |
|
|
693 | |
|
|
694 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
695 | } |
853 | } |
696 | } |
854 | } |
697 | |
855 | |
698 | static int poll_cb () |
856 | static int |
|
|
857 | poll_cb (void) |
699 | { |
858 | { |
700 | dSP; |
|
|
701 | int count = 0; |
|
|
702 | int maxreqs = max_poll_reqs; |
|
|
703 | int do_croak = 0; |
|
|
704 | struct timeval tv_start, tv_now; |
|
|
705 | aio_req req; |
|
|
706 | |
|
|
707 | if (max_poll_time) |
|
|
708 | gettimeofday (&tv_start, 0); |
|
|
709 | |
|
|
710 | block_sig (); |
|
|
711 | |
|
|
712 | for (;;) |
859 | for (;;) |
713 | { |
860 | { |
714 | for (;;) |
861 | int res = eio_poll (); |
|
|
862 | |
|
|
863 | if (res > 0) |
|
|
864 | croak (0); |
|
|
865 | |
|
|
866 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
867 | return res; |
|
|
868 | |
|
|
869 | poll_wait (); |
|
|
870 | } |
|
|
871 | } |
|
|
872 | |
|
|
873 | static void ecb_cold |
|
|
874 | reinit (void) |
|
|
875 | { |
|
|
876 | create_respipe (); |
|
|
877 | |
|
|
878 | if (eio_init (want_poll, done_poll) < 0) |
|
|
879 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
880 | } |
|
|
881 | |
|
|
882 | /*****************************************************************************/ |
|
|
883 | |
|
|
884 | static SV * |
|
|
885 | get_cb (SV *cb_sv) |
|
|
886 | { |
|
|
887 | SvGETMAGIC (cb_sv); |
|
|
888 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
889 | } |
|
|
890 | |
|
|
891 | static aio_req ecb_noinline |
|
|
892 | dreq (SV *callback) |
|
|
893 | { |
|
|
894 | SV *cb_cv; |
|
|
895 | aio_req req; |
|
|
896 | int req_pri = next_pri; |
|
|
897 | next_pri = EIO_PRI_DEFAULT; |
|
|
898 | |
|
|
899 | cb_cv = get_cb (callback); |
|
|
900 | |
|
|
901 | req = calloc (sizeof (*req), 1); |
|
|
902 | if (!req) |
|
|
903 | croak ("out of memory during eio_req allocation"); |
|
|
904 | |
|
|
905 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
906 | req->pri = req_pri; |
|
|
907 | |
|
|
908 | return req; |
|
|
909 | } |
|
|
910 | |
|
|
911 | #define dREQ \ |
|
|
912 | aio_req req = dreq (callback); \ |
|
|
913 | |
|
|
914 | #define REQ_SEND \ |
|
|
915 | PUTBACK; \ |
|
|
916 | req_submit (req); \ |
|
|
917 | SPAGAIN; \ |
|
|
918 | \ |
|
|
919 | if (GIMME_V != G_VOID) \ |
|
|
920 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
921 | |
|
|
922 | ecb_inline void |
|
|
923 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
924 | { |
|
|
925 | if (expect_false (SvROK (path))) |
|
|
926 | { |
|
|
927 | SV *rv = SvRV (path); |
|
|
928 | SV *wdob; |
|
|
929 | |
|
|
930 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
715 | { |
931 | { |
716 | maybe_start_thread (); |
932 | path = AvARRAY (rv)[1]; |
|
|
933 | wdob = AvARRAY (rv)[0]; |
717 | |
934 | |
718 | LOCK (reslock); |
935 | if (SvOK (wdob)) |
719 | req = reqq_shift (&res_queue); |
|
|
720 | |
|
|
721 | if (req) |
|
|
722 | { |
936 | { |
723 | --npending; |
937 | *wd = SvAIO_WD (wdob); |
724 | |
938 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
725 | if (!res_queue.size) |
|
|
726 | { |
|
|
727 | /* read any signals sent by the worker threads */ |
|
|
728 | char buf [4]; |
|
|
729 | while (read (respipe [0], buf, 4) == 4) |
|
|
730 | ; |
|
|
731 | } |
|
|
732 | } |
|
|
733 | |
|
|
734 | UNLOCK (reslock); |
|
|
735 | |
|
|
736 | if (!req) |
|
|
737 | break; |
|
|
738 | |
|
|
739 | --nreqs; |
|
|
740 | |
|
|
741 | if (req->type == REQ_GROUP && req->size) |
|
|
742 | { |
|
|
743 | req->int1 = 1; /* mark request as delayed */ |
|
|
744 | continue; |
|
|
745 | } |
939 | } |
746 | else |
940 | else |
747 | { |
941 | *wd = EIO_INVALID_WD; |
748 | if (!req_invoke (req)) |
|
|
749 | { |
|
|
750 | req_free (req); |
|
|
751 | unblock_sig (); |
|
|
752 | croak (0); |
|
|
753 | } |
|
|
754 | |
|
|
755 | count++; |
|
|
756 | } |
|
|
757 | |
|
|
758 | req_free (req); |
|
|
759 | |
|
|
760 | if (maxreqs && !--maxreqs) |
|
|
761 | break; |
|
|
762 | |
|
|
763 | if (max_poll_time) |
|
|
764 | { |
|
|
765 | gettimeofday (&tv_now, 0); |
|
|
766 | |
|
|
767 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
768 | break; |
|
|
769 | } |
|
|
770 | } |
942 | } |
|
|
943 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
944 | { |
|
|
945 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
946 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
947 | *ptr = "."; |
|
|
948 | return; /* path set to "." */ |
|
|
949 | } |
|
|
950 | else |
|
|
951 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
952 | } |
771 | |
953 | |
772 | if (nreqs <= max_outstanding) |
954 | *pathsv = newSVsv (path); |
|
|
955 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
956 | } |
|
|
957 | |
|
|
958 | static void ecb_noinline |
|
|
959 | req_set_path1 (aio_req req, SV *path) |
|
|
960 | { |
|
|
961 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
962 | } |
|
|
963 | |
|
|
964 | static void ecb_noinline |
|
|
965 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
966 | { |
|
|
967 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
968 | |
|
|
969 | switch (SvTYPE (rv)) |
|
|
970 | { |
|
|
971 | case SVt_PVIO: |
|
|
972 | case SVt_PVLV: |
|
|
973 | case SVt_PVGV: |
|
|
974 | req->type = type_fh; |
|
|
975 | req->sv1 = newSVsv (fh_or_path); |
|
|
976 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
773 | break; |
977 | break; |
774 | |
978 | |
775 | poll_wait (); |
979 | default: |
776 | |
980 | req->type = type_path; |
777 | ++maxreqs; |
981 | req_set_path1 (req, fh_or_path); |
|
|
982 | break; |
778 | } |
983 | } |
779 | |
|
|
780 | unblock_sig (); |
|
|
781 | return count; |
|
|
782 | } |
|
|
783 | |
|
|
784 | static void create_pipe () |
|
|
785 | { |
|
|
786 | if (pipe (respipe)) |
|
|
787 | croak ("unable to initialize result pipe"); |
|
|
788 | |
|
|
789 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
790 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
791 | |
|
|
792 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
793 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
794 | } |
984 | } |
795 | |
985 | |
796 | /*****************************************************************************/ |
986 | /*****************************************************************************/ |
797 | /* work around various missing functions */ |
|
|
798 | |
987 | |
799 | #if !HAVE_PREADWRITE |
988 | static void |
800 | # define pread aio_pread |
989 | ts_set (struct timespec *ts, NV value) |
801 | # define pwrite aio_pwrite |
|
|
802 | |
|
|
803 | /* |
|
|
804 | * make our pread/pwrite safe against themselves, but not against |
|
|
805 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
806 | * but that's your problem, not mine. |
|
|
807 | */ |
|
|
808 | static mutex_t preadwritelock = MUTEX_INIT; |
|
|
809 | |
|
|
810 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
811 | { |
990 | { |
812 | ssize_t res; |
991 | ts->tv_sec = value; |
813 | off_t ooffset; |
992 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
814 | |
|
|
815 | LOCK (preadwritelock); |
|
|
816 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
817 | lseek (fd, offset, SEEK_SET); |
|
|
818 | res = read (fd, buf, count); |
|
|
819 | lseek (fd, ooffset, SEEK_SET); |
|
|
820 | UNLOCK (preadwritelock); |
|
|
821 | |
|
|
822 | return res; |
|
|
823 | } |
993 | } |
824 | |
994 | |
825 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
995 | static NV |
|
|
996 | ts_get (const struct timespec *ts) |
826 | { |
997 | { |
827 | ssize_t res; |
998 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
828 | off_t ooffset; |
|
|
829 | |
|
|
830 | LOCK (preadwritelock); |
|
|
831 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
832 | lseek (fd, offset, SEEK_SET); |
|
|
833 | res = write (fd, buf, count); |
|
|
834 | lseek (fd, offset, SEEK_SET); |
|
|
835 | UNLOCK (preadwritelock); |
|
|
836 | |
|
|
837 | return res; |
|
|
838 | } |
|
|
839 | #endif |
|
|
840 | |
|
|
841 | #ifndef HAVE_FUTIMES |
|
|
842 | |
|
|
843 | # define utimes(path,times) aio_utimes (path, times) |
|
|
844 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
845 | |
|
|
846 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
847 | { |
|
|
848 | if (times) |
|
|
849 | { |
|
|
850 | struct utimbuf buf; |
|
|
851 | |
|
|
852 | buf.actime = times[0].tv_sec; |
|
|
853 | buf.modtime = times[1].tv_sec; |
|
|
854 | |
|
|
855 | return utime (filename, &buf); |
|
|
856 | } |
|
|
857 | else |
|
|
858 | return utime (filename, 0); |
|
|
859 | } |
|
|
860 | |
|
|
861 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
862 | { |
|
|
863 | errno = ENOSYS; |
|
|
864 | return -1; |
|
|
865 | } |
|
|
866 | |
|
|
867 | #endif |
|
|
868 | |
|
|
869 | #if !HAVE_FDATASYNC |
|
|
870 | # define fdatasync fsync |
|
|
871 | #endif |
|
|
872 | |
|
|
873 | #if !HAVE_READAHEAD |
|
|
874 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
875 | |
|
|
876 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
877 | { |
|
|
878 | dBUF; |
|
|
879 | |
|
|
880 | while (count > 0) |
|
|
881 | { |
|
|
882 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
883 | |
|
|
884 | pread (fd, aio_buf, len, offset); |
|
|
885 | offset += len; |
|
|
886 | count -= len; |
|
|
887 | } |
|
|
888 | |
|
|
889 | errno = 0; |
|
|
890 | } |
|
|
891 | |
|
|
892 | #endif |
|
|
893 | |
|
|
894 | #if !HAVE_READDIR_R |
|
|
895 | # define readdir_r aio_readdir_r |
|
|
896 | |
|
|
897 | static mutex_t readdirlock = MUTEX_INIT; |
|
|
898 | |
|
|
899 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
900 | { |
|
|
901 | struct dirent *e; |
|
|
902 | int errorno; |
|
|
903 | |
|
|
904 | LOCK (readdirlock); |
|
|
905 | |
|
|
906 | e = readdir (dirp); |
|
|
907 | errorno = errno; |
|
|
908 | |
|
|
909 | if (e) |
|
|
910 | { |
|
|
911 | *res = ent; |
|
|
912 | strcpy (ent->d_name, e->d_name); |
|
|
913 | } |
|
|
914 | else |
|
|
915 | *res = 0; |
|
|
916 | |
|
|
917 | UNLOCK (readdirlock); |
|
|
918 | |
|
|
919 | errno = errorno; |
|
|
920 | return e ? 0 : -1; |
|
|
921 | } |
|
|
922 | #endif |
|
|
923 | |
|
|
924 | /* sendfile always needs emulation */ |
|
|
925 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
926 | { |
|
|
927 | ssize_t res; |
|
|
928 | |
|
|
929 | if (!count) |
|
|
930 | return 0; |
|
|
931 | |
|
|
932 | #if HAVE_SENDFILE |
|
|
933 | # if __linux |
|
|
934 | res = sendfile (ofd, ifd, &offset, count); |
|
|
935 | |
|
|
936 | # elif __freebsd |
|
|
937 | /* |
|
|
938 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
939 | * wasted on making it similar to other I/O functions. |
|
|
940 | */ |
|
|
941 | { |
|
|
942 | off_t sbytes; |
|
|
943 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
944 | |
|
|
945 | if (res < 0 && sbytes) |
|
|
946 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
947 | res = sbytes; |
|
|
948 | } |
|
|
949 | |
|
|
950 | # elif __hpux |
|
|
951 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
952 | |
|
|
953 | # elif __solaris |
|
|
954 | { |
|
|
955 | struct sendfilevec vec; |
|
|
956 | size_t sbytes; |
|
|
957 | |
|
|
958 | vec.sfv_fd = ifd; |
|
|
959 | vec.sfv_flag = 0; |
|
|
960 | vec.sfv_off = offset; |
|
|
961 | vec.sfv_len = count; |
|
|
962 | |
|
|
963 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
964 | |
|
|
965 | if (res < 0 && sbytes) |
|
|
966 | res = sbytes; |
|
|
967 | } |
|
|
968 | |
|
|
969 | # endif |
|
|
970 | #else |
|
|
971 | res = -1; |
|
|
972 | errno = ENOSYS; |
|
|
973 | #endif |
|
|
974 | |
|
|
975 | if (res < 0 |
|
|
976 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
977 | #if __solaris |
|
|
978 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
979 | #endif |
|
|
980 | ) |
|
|
981 | ) |
|
|
982 | { |
|
|
983 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
984 | dBUF; |
|
|
985 | |
|
|
986 | res = 0; |
|
|
987 | |
|
|
988 | while (count) |
|
|
989 | { |
|
|
990 | ssize_t cnt; |
|
|
991 | |
|
|
992 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
993 | |
|
|
994 | if (cnt <= 0) |
|
|
995 | { |
|
|
996 | if (cnt && !res) res = -1; |
|
|
997 | break; |
|
|
998 | } |
|
|
999 | |
|
|
1000 | cnt = write (ofd, aio_buf, cnt); |
|
|
1001 | |
|
|
1002 | if (cnt <= 0) |
|
|
1003 | { |
|
|
1004 | if (cnt && !res) res = -1; |
|
|
1005 | break; |
|
|
1006 | } |
|
|
1007 | |
|
|
1008 | offset += cnt; |
|
|
1009 | res += cnt; |
|
|
1010 | count -= cnt; |
|
|
1011 | } |
|
|
1012 | } |
|
|
1013 | |
|
|
1014 | return res; |
|
|
1015 | } |
|
|
1016 | |
|
|
1017 | /* read a full directory */ |
|
|
1018 | static void scandir_ (aio_req req, worker *self) |
|
|
1019 | { |
|
|
1020 | DIR *dirp; |
|
|
1021 | union |
|
|
1022 | { |
|
|
1023 | struct dirent d; |
|
|
1024 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
1025 | } *u; |
|
|
1026 | struct dirent *entp; |
|
|
1027 | char *name, *names; |
|
|
1028 | int memlen = 4096; |
|
|
1029 | int memofs = 0; |
|
|
1030 | int res = 0; |
|
|
1031 | int errorno; |
|
|
1032 | |
|
|
1033 | LOCK (wrklock); |
|
|
1034 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1035 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1036 | req->flags |= FLAG_PTR2_FREE; |
|
|
1037 | req->ptr2 = names = malloc (memlen); |
|
|
1038 | UNLOCK (wrklock); |
|
|
1039 | |
|
|
1040 | if (dirp && u && names) |
|
|
1041 | for (;;) |
|
|
1042 | { |
|
|
1043 | errno = 0; |
|
|
1044 | readdir_r (dirp, &u->d, &entp); |
|
|
1045 | |
|
|
1046 | if (!entp) |
|
|
1047 | break; |
|
|
1048 | |
|
|
1049 | name = entp->d_name; |
|
|
1050 | |
|
|
1051 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1052 | { |
|
|
1053 | int len = strlen (name) + 1; |
|
|
1054 | |
|
|
1055 | res++; |
|
|
1056 | |
|
|
1057 | while (memofs + len > memlen) |
|
|
1058 | { |
|
|
1059 | memlen *= 2; |
|
|
1060 | LOCK (wrklock); |
|
|
1061 | req->ptr2 = names = realloc (names, memlen); |
|
|
1062 | UNLOCK (wrklock); |
|
|
1063 | |
|
|
1064 | if (!names) |
|
|
1065 | break; |
|
|
1066 | } |
|
|
1067 | |
|
|
1068 | memcpy (names + memofs, name, len); |
|
|
1069 | memofs += len; |
|
|
1070 | } |
|
|
1071 | } |
|
|
1072 | |
|
|
1073 | if (errno) |
|
|
1074 | res = -1; |
|
|
1075 | |
|
|
1076 | req->result = res; |
|
|
1077 | } |
999 | } |
1078 | |
1000 | |
1079 | /*****************************************************************************/ |
1001 | /*****************************************************************************/ |
1080 | |
1002 | |
1081 | static void *aio_proc (void *thr_arg) |
1003 | XS(boot_IO__AIO) ecb_cold; |
1082 | { |
|
|
1083 | aio_req req; |
|
|
1084 | struct timespec ts; |
|
|
1085 | worker *self = (worker *)thr_arg; |
|
|
1086 | |
1004 | |
1087 | /* try to distribute timeouts somewhat evenly */ |
|
|
1088 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1089 | * (1000000000UL / 1024UL); |
|
|
1090 | |
|
|
1091 | for (;;) |
|
|
1092 | { |
|
|
1093 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1094 | |
|
|
1095 | LOCK (reqlock); |
|
|
1096 | |
|
|
1097 | for (;;) |
|
|
1098 | { |
|
|
1099 | self->req = req = reqq_shift (&req_queue); |
|
|
1100 | |
|
|
1101 | if (req) |
|
|
1102 | break; |
|
|
1103 | |
|
|
1104 | ++idle; |
|
|
1105 | |
|
|
1106 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1107 | == ETIMEDOUT) |
|
|
1108 | { |
|
|
1109 | if (idle > max_idle) |
|
|
1110 | { |
|
|
1111 | --idle; |
|
|
1112 | UNLOCK (reqlock); |
|
|
1113 | LOCK (wrklock); |
|
|
1114 | --started; |
|
|
1115 | UNLOCK (wrklock); |
|
|
1116 | goto quit; |
|
|
1117 | } |
|
|
1118 | |
|
|
1119 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1120 | COND_WAIT (reqwait, reqlock); |
|
|
1121 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | --idle; |
|
|
1125 | } |
|
|
1126 | |
|
|
1127 | --nready; |
|
|
1128 | |
|
|
1129 | UNLOCK (reqlock); |
|
|
1130 | |
|
|
1131 | errno = 0; /* strictly unnecessary */ |
|
|
1132 | |
|
|
1133 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1134 | switch (req->type) |
|
|
1135 | { |
|
|
1136 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1137 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1138 | |
|
|
1139 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1140 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1141 | |
|
|
1142 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1143 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1144 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1145 | |
|
|
1146 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1147 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1148 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1149 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1150 | |
|
|
1151 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1152 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1153 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1154 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1155 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1156 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1157 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1158 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1159 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1160 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1161 | |
|
|
1162 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1163 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1164 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1165 | |
|
|
1166 | case REQ_BUSY: |
|
|
1167 | { |
|
|
1168 | struct timeval tv; |
|
|
1169 | |
|
|
1170 | tv.tv_sec = req->nv1; |
|
|
1171 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
|
|
1172 | |
|
|
1173 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1174 | } |
|
|
1175 | |
|
|
1176 | case REQ_UTIME: |
|
|
1177 | case REQ_FUTIME: |
|
|
1178 | { |
|
|
1179 | struct timeval tv[2]; |
|
|
1180 | struct timeval *times; |
|
|
1181 | |
|
|
1182 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1183 | { |
|
|
1184 | tv[0].tv_sec = req->nv1; |
|
|
1185 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1186 | tv[1].tv_sec = req->nv2; |
|
|
1187 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1188 | |
|
|
1189 | times = tv; |
|
|
1190 | } |
|
|
1191 | else |
|
|
1192 | times = 0; |
|
|
1193 | |
|
|
1194 | |
|
|
1195 | req->result = req->type == REQ_FUTIME |
|
|
1196 | ? futimes (req->int1, times) |
|
|
1197 | : utimes (req->ptr1, times); |
|
|
1198 | } |
|
|
1199 | |
|
|
1200 | case REQ_GROUP: |
|
|
1201 | case REQ_NOP: |
|
|
1202 | break; |
|
|
1203 | |
|
|
1204 | case REQ_QUIT: |
|
|
1205 | goto quit; |
|
|
1206 | |
|
|
1207 | default: |
|
|
1208 | req->result = -1; |
|
|
1209 | break; |
|
|
1210 | } |
|
|
1211 | |
|
|
1212 | req->errorno = errno; |
|
|
1213 | |
|
|
1214 | LOCK (reslock); |
|
|
1215 | |
|
|
1216 | ++npending; |
|
|
1217 | |
|
|
1218 | if (!reqq_push (&res_queue, req)) |
|
|
1219 | { |
|
|
1220 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1221 | write (respipe [1], &respipe, 1); |
|
|
1222 | |
|
|
1223 | /* optionally signal the main thread asynchronously */ |
|
|
1224 | if (main_sig) |
|
|
1225 | pthread_kill (main_tid, main_sig); |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | self->req = 0; |
|
|
1229 | worker_clear (self); |
|
|
1230 | |
|
|
1231 | UNLOCK (reslock); |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | quit: |
|
|
1235 | LOCK (wrklock); |
|
|
1236 | worker_free (self); |
|
|
1237 | UNLOCK (wrklock); |
|
|
1238 | |
|
|
1239 | return 0; |
|
|
1240 | } |
|
|
1241 | |
|
|
1242 | /*****************************************************************************/ |
|
|
1243 | |
|
|
1244 | static void atfork_prepare (void) |
|
|
1245 | { |
|
|
1246 | LOCK (wrklock); |
|
|
1247 | LOCK (reqlock); |
|
|
1248 | LOCK (reslock); |
|
|
1249 | #if !HAVE_PREADWRITE |
|
|
1250 | LOCK (preadwritelock); |
|
|
1251 | #endif |
|
|
1252 | #if !HAVE_READDIR_R |
|
|
1253 | LOCK (readdirlock); |
|
|
1254 | #endif |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | static void atfork_parent (void) |
|
|
1258 | { |
|
|
1259 | #if !HAVE_READDIR_R |
|
|
1260 | UNLOCK (readdirlock); |
|
|
1261 | #endif |
|
|
1262 | #if !HAVE_PREADWRITE |
|
|
1263 | UNLOCK (preadwritelock); |
|
|
1264 | #endif |
|
|
1265 | UNLOCK (reslock); |
|
|
1266 | UNLOCK (reqlock); |
|
|
1267 | UNLOCK (wrklock); |
|
|
1268 | } |
|
|
1269 | |
|
|
1270 | static void atfork_child (void) |
|
|
1271 | { |
|
|
1272 | aio_req prv; |
|
|
1273 | |
|
|
1274 | while (prv = reqq_shift (&req_queue)) |
|
|
1275 | req_free (prv); |
|
|
1276 | |
|
|
1277 | while (prv = reqq_shift (&res_queue)) |
|
|
1278 | req_free (prv); |
|
|
1279 | |
|
|
1280 | while (wrk_first.next != &wrk_first) |
|
|
1281 | { |
|
|
1282 | worker *wrk = wrk_first.next; |
|
|
1283 | |
|
|
1284 | if (wrk->req) |
|
|
1285 | req_free (wrk->req); |
|
|
1286 | |
|
|
1287 | worker_clear (wrk); |
|
|
1288 | worker_free (wrk); |
|
|
1289 | } |
|
|
1290 | |
|
|
1291 | started = 0; |
|
|
1292 | idle = 0; |
|
|
1293 | nreqs = 0; |
|
|
1294 | nready = 0; |
|
|
1295 | npending = 0; |
|
|
1296 | |
|
|
1297 | close (respipe [0]); |
|
|
1298 | close (respipe [1]); |
|
|
1299 | create_pipe (); |
|
|
1300 | |
|
|
1301 | atfork_parent (); |
|
|
1302 | } |
|
|
1303 | |
|
|
1304 | #define dREQ \ |
|
|
1305 | aio_req req; \ |
|
|
1306 | int req_pri = next_pri; \ |
|
|
1307 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1308 | \ |
|
|
1309 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1310 | croak ("callback must be undef or of reference type"); \ |
|
|
1311 | \ |
|
|
1312 | Newz (0, req, 1, aio_cb); \ |
|
|
1313 | if (!req) \ |
|
|
1314 | croak ("out of memory during aio_req allocation"); \ |
|
|
1315 | \ |
|
|
1316 | req->callback = newSVsv (callback); \ |
|
|
1317 | req->pri = req_pri |
|
|
1318 | |
|
|
1319 | #define REQ_SEND \ |
|
|
1320 | req_send (req); \ |
|
|
1321 | \ |
|
|
1322 | if (GIMME_V != G_VOID) \ |
|
|
1323 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1324 | |
|
|
1325 | MODULE = IO::AIO PACKAGE = IO::AIO |
1005 | MODULE = IO::AIO PACKAGE = IO::AIO |
1326 | |
1006 | |
1327 | PROTOTYPES: ENABLE |
1007 | PROTOTYPES: ENABLE |
1328 | |
1008 | |
1329 | BOOT: |
1009 | BOOT: |
1330 | { |
1010 | { |
|
|
1011 | static const struct { |
|
|
1012 | const char *name; |
|
|
1013 | IV iv; |
|
|
1014 | } *civ, const_iv[] = { |
|
|
1015 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
1016 | # define const_iv(name) { # name, (IV) name }, |
|
|
1017 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
1018 | |
|
|
1019 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
1020 | /* the first block can be undef if missing */ |
|
|
1021 | const_iv (ENOSYS) |
|
|
1022 | const_iv (EXDEV) |
|
|
1023 | const_iv (EBADR) |
|
|
1024 | |
|
|
1025 | /* for lseek */ |
|
|
1026 | const_iv (SEEK_DATA) |
|
|
1027 | const_iv (SEEK_HOLE) |
|
|
1028 | |
|
|
1029 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
1030 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
1031 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
1032 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
1033 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
1034 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
1035 | |
|
|
1036 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
1037 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
1038 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
1039 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
1040 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
1041 | |
|
|
1042 | /* the second block will be 0 when missing */ |
|
|
1043 | const_iv (O_RDONLY) |
|
|
1044 | const_iv (O_WRONLY) |
|
|
1045 | const_iv (O_RDWR) |
|
|
1046 | const_iv (O_CREAT) |
|
|
1047 | const_iv (O_TRUNC) |
|
|
1048 | const_iv (O_EXCL) |
|
|
1049 | const_iv (O_APPEND) |
|
|
1050 | |
|
|
1051 | const_iv (O_ASYNC) |
|
|
1052 | const_iv (O_DIRECT) |
|
|
1053 | const_iv (O_NOATIME) |
|
|
1054 | |
|
|
1055 | const_iv (O_CLOEXEC) |
|
|
1056 | const_iv (O_NOCTTY) |
|
|
1057 | const_iv (O_NOFOLLOW) |
|
|
1058 | const_iv (O_NONBLOCK) |
|
|
1059 | const_iv (O_EXEC) |
|
|
1060 | const_iv (O_SEARCH) |
|
|
1061 | const_iv (O_DIRECTORY) |
|
|
1062 | const_iv (O_DSYNC) |
|
|
1063 | const_iv (O_RSYNC) |
|
|
1064 | const_iv (O_SYNC) |
|
|
1065 | const_iv (O_PATH) |
|
|
1066 | const_iv (O_TMPFILE) |
|
|
1067 | const_iv (O_TTY_INIT) |
|
|
1068 | |
|
|
1069 | const_iv (S_IFIFO) |
|
|
1070 | const_iv (S_IFCHR) |
|
|
1071 | const_iv (S_IFBLK) |
|
|
1072 | const_iv (S_IFLNK) |
|
|
1073 | const_iv (S_IFREG) |
|
|
1074 | const_iv (S_IFDIR) |
|
|
1075 | const_iv (S_IFWHT) |
|
|
1076 | const_iv (S_IFSOCK) |
|
|
1077 | const_iv (S_IFMT) |
|
|
1078 | |
|
|
1079 | const_iv (ST_RDONLY) |
|
|
1080 | const_iv (ST_NOSUID) |
|
|
1081 | const_iv (ST_NODEV) |
|
|
1082 | const_iv (ST_NOEXEC) |
|
|
1083 | const_iv (ST_SYNCHRONOUS) |
|
|
1084 | const_iv (ST_MANDLOCK) |
|
|
1085 | const_iv (ST_WRITE) |
|
|
1086 | const_iv (ST_APPEND) |
|
|
1087 | const_iv (ST_IMMUTABLE) |
|
|
1088 | const_iv (ST_NOATIME) |
|
|
1089 | const_iv (ST_NODIRATIME) |
|
|
1090 | const_iv (ST_RELATIME) |
|
|
1091 | |
|
|
1092 | const_iv (PROT_NONE) |
|
|
1093 | const_iv (PROT_EXEC) |
|
|
1094 | const_iv (PROT_READ) |
|
|
1095 | const_iv (PROT_WRITE) |
|
|
1096 | |
|
|
1097 | const_iv (MAP_PRIVATE) |
|
|
1098 | const_iv (MAP_SHARED) |
|
|
1099 | const_iv (MAP_FIXED) |
|
|
1100 | const_iv (MAP_ANONYMOUS) |
|
|
1101 | |
|
|
1102 | /* linuxish */ |
|
|
1103 | const_iv (MAP_LOCKED) |
|
|
1104 | const_iv (MAP_NORESERVE) |
|
|
1105 | const_iv (MAP_POPULATE) |
|
|
1106 | const_iv (MAP_NONBLOCK) |
|
|
1107 | const_iv (MAP_GROWSDOWN) |
|
|
1108 | const_iv (MAP_32BIT) |
|
|
1109 | const_iv (MAP_HUGETLB) |
|
|
1110 | const_iv (MAP_STACK) |
|
|
1111 | |
|
|
1112 | const_iv (MREMAP_MAYMOVE) |
|
|
1113 | const_iv (MREMAP_FIXED) |
|
|
1114 | |
|
|
1115 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1116 | |
|
|
1117 | const_iv (F_OFD_GETLK) |
|
|
1118 | const_iv (F_OFD_SETLK) |
|
|
1119 | const_iv (F_OFD_GETLKW) |
|
|
1120 | |
|
|
1121 | const_iv (FIFREEZE) |
|
|
1122 | const_iv (FITHAW) |
|
|
1123 | const_iv (FITRIM) |
|
|
1124 | const_iv (FICLONE) |
|
|
1125 | const_iv (FICLONERANGE) |
|
|
1126 | const_iv (FIDEDUPERANGE) |
|
|
1127 | |
|
|
1128 | const_iv (FS_IOC_GETFLAGS) |
|
|
1129 | const_iv (FS_IOC_SETFLAGS) |
|
|
1130 | const_iv (FS_IOC_GETVERSION) |
|
|
1131 | const_iv (FS_IOC_SETVERSION) |
|
|
1132 | const_iv (FS_IOC_FIEMAP) |
|
|
1133 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1134 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1135 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1136 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1137 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1138 | |
|
|
1139 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1140 | |
|
|
1141 | const_iv (FS_SECRM_FL) |
|
|
1142 | const_iv (FS_UNRM_FL) |
|
|
1143 | const_iv (FS_COMPR_FL) |
|
|
1144 | const_iv (FS_SYNC_FL) |
|
|
1145 | const_iv (FS_IMMUTABLE_FL) |
|
|
1146 | const_iv (FS_APPEND_FL) |
|
|
1147 | const_iv (FS_NODUMP_FL) |
|
|
1148 | const_iv (FS_NOATIME_FL) |
|
|
1149 | const_iv (FS_DIRTY_FL) |
|
|
1150 | const_iv (FS_COMPRBLK_FL) |
|
|
1151 | const_iv (FS_NOCOMP_FL) |
|
|
1152 | const_iv (FS_ENCRYPT_FL) |
|
|
1153 | const_iv (FS_BTREE_FL) |
|
|
1154 | const_iv (FS_INDEX_FL) |
|
|
1155 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1156 | const_iv (FS_NOTAIL_FL) |
|
|
1157 | const_iv (FS_DIRSYNC_FL) |
|
|
1158 | const_iv (FS_TOPDIR_FL) |
|
|
1159 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1160 | |
|
|
1161 | const_iv (FS_XFLAG_REALTIME) |
|
|
1162 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1163 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1164 | const_iv (FS_XFLAG_APPEND) |
|
|
1165 | const_iv (FS_XFLAG_SYNC) |
|
|
1166 | const_iv (FS_XFLAG_NOATIME) |
|
|
1167 | const_iv (FS_XFLAG_NODUMP) |
|
|
1168 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1169 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1170 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1171 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1172 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1173 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1174 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1175 | const_iv (FS_XFLAG_DAX) |
|
|
1176 | const_iv (FS_XFLAG_HASATTR) |
|
|
1177 | |
|
|
1178 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1179 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1180 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1181 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1182 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1183 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1184 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1185 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1186 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1187 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1188 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1189 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1190 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1191 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1192 | |
|
|
1193 | const_iv (SPLICE_F_MOVE) |
|
|
1194 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1195 | const_iv (SPLICE_F_MORE) |
|
|
1196 | const_iv (SPLICE_F_GIFT) |
|
|
1197 | |
|
|
1198 | const_iv (EFD_CLOEXEC) |
|
|
1199 | const_iv (EFD_NONBLOCK) |
|
|
1200 | const_iv (EFD_SEMAPHORE) |
|
|
1201 | |
|
|
1202 | const_iv (CLOCK_REALTIME) |
|
|
1203 | const_iv (CLOCK_MONOTONIC) |
|
|
1204 | const_iv (CLOCK_BOOTTIME) |
|
|
1205 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1206 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1207 | |
|
|
1208 | const_iv (TFD_NONBLOCK) |
|
|
1209 | const_iv (TFD_CLOEXEC) |
|
|
1210 | |
|
|
1211 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1212 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1213 | |
|
|
1214 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1215 | const_eio (SEEK_SET) |
|
|
1216 | const_eio (SEEK_CUR) |
|
|
1217 | const_eio (SEEK_END) |
|
|
1218 | |
|
|
1219 | const_eio (MCL_FUTURE) |
|
|
1220 | const_eio (MCL_CURRENT) |
|
|
1221 | |
|
|
1222 | const_eio (MS_ASYNC) |
|
|
1223 | const_eio (MS_INVALIDATE) |
|
|
1224 | const_eio (MS_SYNC) |
|
|
1225 | |
|
|
1226 | const_eio (MT_MODIFY) |
|
|
1227 | |
|
|
1228 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1229 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1230 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1231 | |
|
|
1232 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1233 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1234 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1235 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1236 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1237 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1238 | |
|
|
1239 | const_eio (RENAME_NOREPLACE) |
|
|
1240 | const_eio (RENAME_EXCHANGE) |
|
|
1241 | const_eio (RENAME_WHITEOUT) |
|
|
1242 | |
|
|
1243 | const_eio (READDIR_DENTS) |
|
|
1244 | const_eio (READDIR_DIRS_FIRST) |
|
|
1245 | const_eio (READDIR_STAT_ORDER) |
|
|
1246 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1247 | |
|
|
1248 | const_eio (DT_UNKNOWN) |
|
|
1249 | const_eio (DT_FIFO) |
|
|
1250 | const_eio (DT_CHR) |
|
|
1251 | const_eio (DT_DIR) |
|
|
1252 | const_eio (DT_BLK) |
|
|
1253 | const_eio (DT_REG) |
|
|
1254 | const_eio (DT_LNK) |
|
|
1255 | const_eio (DT_SOCK) |
|
|
1256 | const_eio (DT_WHT) |
|
|
1257 | }; |
|
|
1258 | |
1331 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1259 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1260 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1261 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1262 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1332 | |
1263 | |
1333 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1264 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1334 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1265 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1335 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1336 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1337 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1338 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1339 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1340 | |
1266 | |
1341 | create_pipe (); |
1267 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1342 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
|
|
1343 | } |
|
|
1344 | |
1268 | |
|
|
1269 | reinit (); |
|
|
1270 | } |
|
|
1271 | |
1345 | void |
1272 | void |
|
|
1273 | reinit () |
|
|
1274 | PROTOTYPE: |
|
|
1275 | |
|
|
1276 | void |
1346 | max_poll_reqs (int nreqs) |
1277 | max_poll_reqs (unsigned int nreqs) |
1347 | PROTOTYPE: $ |
1278 | PROTOTYPE: $ |
1348 | CODE: |
1279 | CODE: |
1349 | max_poll_reqs = nreqs; |
1280 | eio_set_max_poll_reqs (nreqs); |
1350 | |
1281 | |
1351 | void |
1282 | void |
1352 | max_poll_time (double nseconds) |
1283 | max_poll_time (double nseconds) |
1353 | PROTOTYPE: $ |
1284 | PROTOTYPE: $ |
1354 | CODE: |
1285 | CODE: |
1355 | max_poll_time = nseconds * AIO_TICKS; |
1286 | eio_set_max_poll_time (nseconds); |
1356 | |
1287 | |
1357 | void |
1288 | void |
1358 | min_parallel (int nthreads) |
1289 | min_parallel (unsigned int nthreads) |
1359 | PROTOTYPE: $ |
|
|
1360 | |
|
|
1361 | void |
|
|
1362 | max_parallel (int nthreads) |
|
|
1363 | PROTOTYPE: $ |
|
|
1364 | |
|
|
1365 | void |
|
|
1366 | max_idle (int nthreads) |
|
|
1367 | PROTOTYPE: $ |
1290 | PROTOTYPE: $ |
1368 | CODE: |
1291 | CODE: |
1369 | set_max_idle (nthreads); |
1292 | eio_set_min_parallel (nthreads); |
1370 | |
1293 | |
1371 | int |
1294 | void |
1372 | max_outstanding (int maxreqs) |
1295 | max_parallel (unsigned int nthreads) |
1373 | PROTOTYPE: $ |
1296 | PROTOTYPE: $ |
1374 | CODE: |
1297 | CODE: |
1375 | RETVAL = max_outstanding; |
1298 | eio_set_max_parallel (nthreads); |
|
|
1299 | |
|
|
1300 | void |
|
|
1301 | max_idle (unsigned int nthreads) |
|
|
1302 | PROTOTYPE: $ |
|
|
1303 | CODE: |
|
|
1304 | eio_set_max_idle (nthreads); |
|
|
1305 | |
|
|
1306 | void |
|
|
1307 | idle_timeout (unsigned int seconds) |
|
|
1308 | PROTOTYPE: $ |
|
|
1309 | CODE: |
|
|
1310 | eio_set_idle_timeout (seconds); |
|
|
1311 | |
|
|
1312 | void |
|
|
1313 | max_outstanding (unsigned int maxreqs) |
|
|
1314 | PROTOTYPE: $ |
|
|
1315 | CODE: |
1376 | max_outstanding = maxreqs; |
1316 | max_outstanding = maxreqs; |
1377 | OUTPUT: |
|
|
1378 | RETVAL |
|
|
1379 | |
1317 | |
1380 | void |
1318 | void |
1381 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1319 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1382 | PROTOTYPE: $$$;$ |
|
|
1383 | PPCODE: |
1320 | PPCODE: |
1384 | { |
1321 | { |
1385 | dREQ; |
1322 | dREQ; |
1386 | |
1323 | |
|
|
1324 | req->type = EIO_WD_OPEN; |
|
|
1325 | req_set_path1 (req, pathname); |
|
|
1326 | |
|
|
1327 | REQ_SEND; |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | void |
|
|
1331 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1332 | PPCODE: |
|
|
1333 | { |
|
|
1334 | dREQ; |
|
|
1335 | |
1387 | req->type = REQ_OPEN; |
1336 | req->type = EIO_OPEN; |
1388 | req->sv1 = newSVsv (pathname); |
1337 | req_set_path1 (req, pathname); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1390 | req->int1 = flags; |
1338 | req->int1 = flags; |
1391 | req->mode = mode; |
1339 | req->int2 = mode; |
1392 | |
1340 | |
1393 | REQ_SEND; |
1341 | REQ_SEND; |
1394 | } |
1342 | } |
1395 | |
1343 | |
1396 | void |
1344 | void |
1397 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1345 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1398 | PROTOTYPE: $;$ |
|
|
1399 | ALIAS: |
1346 | ALIAS: |
1400 | aio_close = REQ_CLOSE |
|
|
1401 | aio_fsync = REQ_FSYNC |
1347 | aio_fsync = EIO_FSYNC |
1402 | aio_fdatasync = REQ_FDATASYNC |
1348 | aio_fdatasync = EIO_FDATASYNC |
|
|
1349 | aio_syncfs = EIO_SYNCFS |
1403 | PPCODE: |
1350 | PPCODE: |
1404 | { |
1351 | { |
|
|
1352 | int fd = s_fileno_croak (fh, 0); |
1405 | dREQ; |
1353 | dREQ; |
1406 | |
1354 | |
1407 | req->type = ix; |
1355 | req->type = ix; |
1408 | req->sv1 = newSVsv (fh); |
1356 | req->sv1 = newSVsv (fh); |
1409 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1357 | req->int1 = fd; |
1410 | |
1358 | |
1411 | REQ_SEND (req); |
1359 | REQ_SEND; |
1412 | } |
1360 | } |
1413 | |
1361 | |
1414 | void |
1362 | void |
|
|
1363 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1364 | PPCODE: |
|
|
1365 | { |
|
|
1366 | int fd = s_fileno_croak (fh, 0); |
|
|
1367 | dREQ; |
|
|
1368 | |
|
|
1369 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1370 | req->sv1 = newSVsv (fh); |
|
|
1371 | req->int1 = fd; |
|
|
1372 | req->offs = offset; |
|
|
1373 | req->size = nbytes; |
|
|
1374 | req->int2 = flags; |
|
|
1375 | |
|
|
1376 | REQ_SEND; |
|
|
1377 | } |
|
|
1378 | |
|
|
1379 | void |
|
|
1380 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1381 | PPCODE: |
|
|
1382 | { |
|
|
1383 | int fd = s_fileno_croak (fh, 0); |
|
|
1384 | dREQ; |
|
|
1385 | |
|
|
1386 | req->type = EIO_FALLOCATE; |
|
|
1387 | req->sv1 = newSVsv (fh); |
|
|
1388 | req->int1 = fd; |
|
|
1389 | req->int2 = mode; |
|
|
1390 | req->offs = offset; |
|
|
1391 | req->size = len; |
|
|
1392 | |
|
|
1393 | REQ_SEND; |
|
|
1394 | } |
|
|
1395 | |
|
|
1396 | void |
|
|
1397 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1398 | PPCODE: |
|
|
1399 | { |
|
|
1400 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1401 | int fd = s_fileno_croak (fh, 0); |
|
|
1402 | dREQ; |
|
|
1403 | |
|
|
1404 | if (expect_false (close_fd < 0)) |
|
|
1405 | { |
|
|
1406 | int pipefd [2]; |
|
|
1407 | |
|
|
1408 | if ( |
|
|
1409 | #ifdef _WIN32 |
|
|
1410 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1411 | #else |
|
|
1412 | pipe (pipefd) < 0 |
|
|
1413 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1414 | #endif |
|
|
1415 | || close (pipefd [1]) < 0 |
|
|
1416 | ) |
|
|
1417 | abort (); /*D*/ |
|
|
1418 | |
|
|
1419 | close_fd = pipefd [0]; |
|
|
1420 | } |
|
|
1421 | |
|
|
1422 | req->type = EIO_DUP2; |
|
|
1423 | req->int1 = close_fd; |
|
|
1424 | req->sv2 = newSVsv (fh); |
|
|
1425 | req->int2 = fd; |
|
|
1426 | |
|
|
1427 | REQ_SEND; |
|
|
1428 | } |
|
|
1429 | |
|
|
1430 | void |
|
|
1431 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1432 | PPCODE: |
|
|
1433 | { |
|
|
1434 | int fd = s_fileno_croak (fh, 0); |
|
|
1435 | dREQ; |
|
|
1436 | |
|
|
1437 | req->type = EIO_SEEK; |
|
|
1438 | req->sv1 = newSVsv (fh); |
|
|
1439 | req->int1 = fd; |
|
|
1440 | req->offs = SvVAL64 (offset); |
|
|
1441 | req->int2 = whence; |
|
|
1442 | |
|
|
1443 | REQ_SEND; |
|
|
1444 | } |
|
|
1445 | |
|
|
1446 | void |
1415 | aio_read (SV *fh, UV offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef) |
1447 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1416 | ALIAS: |
1448 | ALIAS: |
1417 | aio_read = REQ_READ |
1449 | aio_read = EIO_READ |
1418 | aio_write = REQ_WRITE |
1450 | aio_write = EIO_WRITE |
1419 | PROTOTYPE: $$$$$;$ |
|
|
1420 | PPCODE: |
1451 | PPCODE: |
1421 | { |
1452 | { |
1422 | STRLEN svlen; |
1453 | STRLEN svlen; |
|
|
1454 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1423 | char *svptr = SvPVbyte (data, svlen); |
1455 | char *svptr = SvPVbyte (data, svlen); |
1424 | |
1456 | UV len = SvUV (length); |
1425 | SvUPGRADE (data, SVt_PV); |
|
|
1426 | SvPOK_on (data); |
|
|
1427 | |
1457 | |
1428 | if (dataoffset < 0) |
1458 | if (dataoffset < 0) |
1429 | dataoffset += svlen; |
1459 | dataoffset += svlen; |
1430 | |
1460 | |
1431 | if (dataoffset < 0 || dataoffset > svlen) |
1461 | if (dataoffset < 0 || dataoffset > svlen) |
1432 | croak ("data offset outside of string"); |
1462 | croak ("dataoffset outside of data scalar"); |
1433 | |
1463 | |
1434 | if (ix == REQ_WRITE) |
1464 | if (ix == EIO_WRITE) |
1435 | { |
1465 | { |
1436 | /* write: check length and adjust. */ |
1466 | /* write: check length and adjust. */ |
1437 | if (length < 0 || length + dataoffset > svlen) |
1467 | if (!SvOK (length) || len + dataoffset > svlen) |
1438 | length = svlen - dataoffset; |
1468 | len = svlen - dataoffset; |
1439 | } |
1469 | } |
1440 | else |
1470 | else |
1441 | { |
1471 | { |
1442 | /* read: grow scalar as necessary */ |
1472 | /* read: check type and grow scalar as necessary */ |
|
|
1473 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1443 | svptr = SvGROW (data, length + dataoffset + 1); |
1474 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1475 | else if (SvCUR (data) < len + dataoffset) |
|
|
1476 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1444 | } |
1477 | } |
1445 | |
|
|
1446 | if (length < 0) |
|
|
1447 | croak ("length must not be negative"); |
|
|
1448 | |
1478 | |
1449 | { |
1479 | { |
1450 | dREQ; |
1480 | dREQ; |
1451 | |
1481 | |
1452 | req->type = ix; |
1482 | req->type = ix; |
1453 | req->sv1 = newSVsv (fh); |
1483 | req->sv1 = newSVsv (fh); |
1454 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1484 | req->int1 = fd; |
1455 | : IoOFP (sv_2io (fh))); |
1485 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1486 | req->size = len; |
|
|
1487 | req->sv2 = SvREFCNT_inc (data); |
|
|
1488 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1489 | req->stroffset = dataoffset; |
|
|
1490 | |
|
|
1491 | if (!SvREADONLY (data)) |
|
|
1492 | { |
|
|
1493 | SvREADONLY_on (data); |
|
|
1494 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | REQ_SEND; |
|
|
1498 | } |
|
|
1499 | } |
|
|
1500 | |
|
|
1501 | void |
|
|
1502 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
|
|
1503 | ALIAS: |
|
|
1504 | aio_ioctl = EIO_IOCTL |
|
|
1505 | aio_fcntl = EIO_FCNTL |
|
|
1506 | PPCODE: |
|
|
1507 | { |
|
|
1508 | int fd = s_fileno_croak (fh, 0); |
|
|
1509 | char *svptr; |
|
|
1510 | |
|
|
1511 | if (SvPOK (arg) || !SvNIOK (arg)) |
|
|
1512 | { |
|
|
1513 | STRLEN svlen; |
|
|
1514 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
|
|
1515 | #ifdef IOCPARM_LEN |
|
|
1516 | STRLEN need = IOCPARM_LEN (request); |
|
|
1517 | #else |
|
|
1518 | STRLEN need = 256; |
|
|
1519 | #endif |
|
|
1520 | |
|
|
1521 | if (svlen < need) |
|
|
1522 | svptr = SvGROW (arg, need); |
|
|
1523 | } |
|
|
1524 | else |
|
|
1525 | svptr = (char *)SvIV (arg); |
|
|
1526 | |
|
|
1527 | { |
|
|
1528 | dREQ; |
|
|
1529 | |
|
|
1530 | req->type = ix; |
|
|
1531 | req->sv1 = newSVsv (fh); |
|
|
1532 | req->int1 = fd; |
|
|
1533 | req->int2 = (long)request; |
|
|
1534 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1535 | req->ptr2 = svptr; |
|
|
1536 | |
|
|
1537 | REQ_SEND; |
|
|
1538 | } |
|
|
1539 | } |
|
|
1540 | |
|
|
1541 | void |
|
|
1542 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1543 | ALIAS: |
|
|
1544 | aio_readlink = EIO_READLINK |
|
|
1545 | aio_realpath = EIO_REALPATH |
|
|
1546 | PPCODE: |
|
|
1547 | { |
|
|
1548 | dREQ; |
|
|
1549 | |
|
|
1550 | req->type = ix; |
|
|
1551 | req_set_path1 (req, pathname); |
|
|
1552 | |
|
|
1553 | REQ_SEND; |
|
|
1554 | } |
|
|
1555 | |
|
|
1556 | void |
|
|
1557 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1558 | PPCODE: |
|
|
1559 | { |
|
|
1560 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1561 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1562 | dREQ; |
|
|
1563 | |
|
|
1564 | req->type = EIO_SENDFILE; |
|
|
1565 | req->sv1 = newSVsv (out_fh); |
|
|
1566 | req->int1 = ofd; |
|
|
1567 | req->sv2 = newSVsv (in_fh); |
|
|
1568 | req->int2 = ifd; |
|
|
1569 | req->offs = in_offset; |
|
|
1570 | req->size = length; |
|
|
1571 | |
|
|
1572 | REQ_SEND; |
|
|
1573 | } |
|
|
1574 | |
|
|
1575 | void |
|
|
1576 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1577 | PPCODE: |
|
|
1578 | { |
|
|
1579 | int fd = s_fileno_croak (fh, 0); |
|
|
1580 | dREQ; |
|
|
1581 | |
|
|
1582 | req->type = EIO_READAHEAD; |
|
|
1583 | req->sv1 = newSVsv (fh); |
|
|
1584 | req->int1 = fd; |
|
|
1585 | req->offs = offset; |
|
|
1586 | req->size = length; |
|
|
1587 | |
|
|
1588 | REQ_SEND; |
|
|
1589 | } |
|
|
1590 | |
|
|
1591 | void |
|
|
1592 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
|
|
1593 | ALIAS: |
|
|
1594 | aio_stat = EIO_STAT |
|
|
1595 | aio_lstat = EIO_LSTAT |
|
|
1596 | aio_statvfs = EIO_STATVFS |
|
|
1597 | PPCODE: |
|
|
1598 | { |
|
|
1599 | dREQ; |
|
|
1600 | |
|
|
1601 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | UV |
|
|
1607 | major (UV dev) |
|
|
1608 | ALIAS: |
|
|
1609 | minor = 1 |
|
|
1610 | CODE: |
|
|
1611 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1612 | OUTPUT: |
|
|
1613 | RETVAL |
|
|
1614 | |
|
|
1615 | UV |
|
|
1616 | makedev (UV maj, UV min) |
|
|
1617 | CODE: |
|
|
1618 | RETVAL = makedev (maj, min); |
|
|
1619 | OUTPUT: |
|
|
1620 | RETVAL |
|
|
1621 | |
|
|
1622 | void |
|
|
1623 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1624 | PPCODE: |
|
|
1625 | { |
|
|
1626 | dREQ; |
|
|
1627 | |
|
|
1628 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1629 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1630 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1631 | |
|
|
1632 | REQ_SEND; |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | void |
|
|
1636 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1637 | PPCODE: |
|
|
1638 | { |
|
|
1639 | dREQ; |
|
|
1640 | |
|
|
1641 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1642 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1643 | |
|
|
1644 | REQ_SEND; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | void |
|
|
1648 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1649 | PPCODE: |
|
|
1650 | { |
|
|
1651 | dREQ; |
|
|
1652 | |
|
|
1653 | req->int2 = mode; |
|
|
1654 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1655 | |
|
|
1656 | REQ_SEND; |
|
|
1657 | } |
|
|
1658 | |
|
|
1659 | void |
|
|
1660 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1661 | PPCODE: |
|
|
1662 | { |
|
|
1663 | dREQ; |
|
|
1664 | |
|
|
1665 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1666 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1667 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1668 | |
|
|
1669 | REQ_SEND; |
|
|
1670 | } |
|
|
1671 | |
|
|
1672 | void |
|
|
1673 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1674 | PPCODE: |
|
|
1675 | { |
|
|
1676 | dREQ; |
|
|
1677 | |
|
|
1678 | req->type = EIO_READDIR; |
|
|
1679 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1680 | |
|
|
1681 | if (flags & EIO_READDIR_DENTS) |
|
|
1682 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1683 | |
|
|
1684 | req_set_path1 (req, pathname); |
|
|
1685 | |
|
|
1686 | REQ_SEND; |
|
|
1687 | } |
|
|
1688 | |
|
|
1689 | void |
|
|
1690 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1691 | PPCODE: |
|
|
1692 | { |
|
|
1693 | dREQ; |
|
|
1694 | |
|
|
1695 | req->type = EIO_MKDIR; |
|
|
1696 | req->int2 = mode; |
|
|
1697 | req_set_path1 (req, pathname); |
|
|
1698 | |
|
|
1699 | REQ_SEND; |
|
|
1700 | } |
|
|
1701 | |
|
|
1702 | void |
|
|
1703 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1704 | ALIAS: |
|
|
1705 | aio_unlink = EIO_UNLINK |
|
|
1706 | aio_rmdir = EIO_RMDIR |
|
|
1707 | aio_readdir = EIO_READDIR |
|
|
1708 | PPCODE: |
|
|
1709 | { |
|
|
1710 | dREQ; |
|
|
1711 | |
|
|
1712 | req->type = ix; |
|
|
1713 | req_set_path1 (req, pathname); |
|
|
1714 | |
|
|
1715 | REQ_SEND; |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void |
|
|
1719 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
|
|
1720 | ALIAS: |
|
|
1721 | aio_link = EIO_LINK |
|
|
1722 | aio_symlink = EIO_SYMLINK |
|
|
1723 | aio_rename = EIO_RENAME |
|
|
1724 | PPCODE: |
|
|
1725 | { |
|
|
1726 | eio_wd wd2 = 0; |
|
|
1727 | dREQ; |
|
|
1728 | |
|
|
1729 | req->type = ix; |
|
|
1730 | req_set_path1 (req, oldpath); |
|
|
1731 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1732 | req->int3 = (long)wd2; |
|
|
1733 | |
|
|
1734 | REQ_SEND; |
|
|
1735 | } |
|
|
1736 | |
|
|
1737 | void |
|
|
1738 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
|
|
1739 | PPCODE: |
|
|
1740 | { |
|
|
1741 | eio_wd wd2 = 0; |
|
|
1742 | dREQ; |
|
|
1743 | |
|
|
1744 | req->type = EIO_RENAME; |
|
|
1745 | req_set_path1 (req, oldpath); |
|
|
1746 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1747 | req->int2 = flags; |
|
|
1748 | req->int3 = (long)wd2; |
|
|
1749 | |
|
|
1750 | REQ_SEND; |
|
|
1751 | } |
|
|
1752 | |
|
|
1753 | void |
|
|
1754 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
|
|
1755 | PPCODE: |
|
|
1756 | { |
|
|
1757 | dREQ; |
|
|
1758 | |
|
|
1759 | req->type = EIO_MKNOD; |
|
|
1760 | req->int2 = (mode_t)mode; |
|
|
1761 | req->offs = dev; |
|
|
1762 | req_set_path1 (req, pathname); |
|
|
1763 | |
|
|
1764 | REQ_SEND; |
|
|
1765 | } |
|
|
1766 | |
|
|
1767 | void |
|
|
1768 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
|
|
1769 | ALIAS: |
|
|
1770 | aio_mtouch = EIO_MTOUCH |
|
|
1771 | aio_msync = EIO_MSYNC |
|
|
1772 | PPCODE: |
|
|
1773 | { |
|
|
1774 | STRLEN svlen; |
|
|
1775 | char *svptr = SvPVbyte (data, svlen); |
|
|
1776 | UV len = SvUV (length); |
|
|
1777 | |
|
|
1778 | if (flags < 0) |
|
|
1779 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1780 | |
|
|
1781 | if (offset < 0) |
|
|
1782 | offset += svlen; |
|
|
1783 | |
|
|
1784 | if (offset < 0 || offset > svlen) |
|
|
1785 | croak ("offset outside of scalar"); |
|
|
1786 | |
|
|
1787 | if (!SvOK (length) || len + offset > svlen) |
|
|
1788 | len = svlen - offset; |
|
|
1789 | |
|
|
1790 | { |
|
|
1791 | dREQ; |
|
|
1792 | |
|
|
1793 | req->type = ix; |
|
|
1794 | req->sv2 = SvREFCNT_inc (data); |
|
|
1795 | req->ptr2 = (char *)svptr + offset; |
|
|
1796 | req->size = len; |
|
|
1797 | req->int1 = flags; |
|
|
1798 | |
|
|
1799 | REQ_SEND; |
|
|
1800 | } |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | void |
|
|
1804 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1805 | PPCODE: |
|
|
1806 | { |
|
|
1807 | STRLEN svlen; |
|
|
1808 | char *svptr = SvPVbyte (data, svlen); |
|
|
1809 | UV len = SvUV (length); |
|
|
1810 | |
|
|
1811 | if (offset < 0) |
|
|
1812 | offset += svlen; |
|
|
1813 | |
|
|
1814 | if (offset < 0 || offset > svlen) |
|
|
1815 | croak ("offset outside of scalar"); |
|
|
1816 | |
|
|
1817 | if (!SvOK (length) || len + offset > svlen) |
|
|
1818 | len = svlen - offset; |
|
|
1819 | |
|
|
1820 | { |
|
|
1821 | dREQ; |
|
|
1822 | |
|
|
1823 | req->type = EIO_MLOCK; |
|
|
1824 | req->sv2 = SvREFCNT_inc (data); |
|
|
1825 | req->ptr2 = (char *)svptr + offset; |
|
|
1826 | req->size = len; |
|
|
1827 | |
|
|
1828 | REQ_SEND; |
|
|
1829 | } |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | void |
|
|
1833 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1834 | PPCODE: |
|
|
1835 | { |
|
|
1836 | dREQ; |
|
|
1837 | |
|
|
1838 | req->type = EIO_MLOCKALL; |
|
|
1839 | req->int1 = flags; |
|
|
1840 | |
|
|
1841 | REQ_SEND; |
|
|
1842 | } |
|
|
1843 | |
|
|
1844 | void |
|
|
1845 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1846 | PPCODE: |
|
|
1847 | { |
|
|
1848 | int fd = s_fileno_croak (fh, 0); |
|
|
1849 | dREQ; |
|
|
1850 | |
|
|
1851 | req->type = EIO_CUSTOM; |
|
|
1852 | req->sv1 = newSVsv (fh); |
|
|
1853 | req->int1 = fd; |
|
|
1854 | |
|
|
1855 | req->feed = fiemap; |
|
|
1856 | #if HAVE_FIEMAP |
|
|
1857 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1858 | req->offs = start; |
|
|
1859 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1860 | req->int2 = flags; |
|
|
1861 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1862 | #endif |
|
|
1863 | |
|
|
1864 | REQ_SEND; |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | void |
|
|
1868 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
1869 | PPCODE: |
|
|
1870 | { |
|
|
1871 | char *svptr = 0; |
|
|
1872 | |
|
|
1873 | sv_clear_foreign (data); |
|
|
1874 | |
|
|
1875 | if (length) /* known length, directly read into scalar */ |
|
|
1876 | { |
|
|
1877 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1878 | svptr = sv_grow (data, length + 1); |
|
|
1879 | else if (SvCUR (data) < length) |
|
|
1880 | croak ("length outside of scalar, and cannot grow"); |
|
|
1881 | else |
|
|
1882 | svptr = SvPVbyte_nolen (data); |
|
|
1883 | } |
|
|
1884 | |
|
|
1885 | { |
|
|
1886 | dREQ; |
|
|
1887 | |
|
|
1888 | req->type = EIO_SLURP; |
|
|
1889 | req_set_path1 (req, pathname); |
1456 | req->offs = offset; |
1890 | req->offs = offset; |
1457 | req->size = length; |
1891 | req->size = length; |
1458 | req->sv2 = SvREFCNT_inc (data); |
1892 | req->sv2 = SvREFCNT_inc (data); |
1459 | req->ptr1 = (char *)svptr + dataoffset; |
1893 | req->ptr2 = svptr; |
1460 | req->stroffset = dataoffset; |
|
|
1461 | |
1894 | |
1462 | if (!SvREADONLY (data)) |
1895 | if (!SvREADONLY (data)) |
1463 | { |
1896 | { |
1464 | SvREADONLY_on (data); |
1897 | SvREADONLY_on (data); |
1465 | req->flags |= FLAG_SV1_RO_OFF; |
1898 | req->flags |= FLAG_SV2_RO_OFF; |
1466 | } |
1899 | } |
1467 | |
1900 | |
1468 | REQ_SEND; |
1901 | REQ_SEND; |
1469 | } |
1902 | } |
1470 | } |
1903 | } |
1471 | |
1904 | |
1472 | void |
1905 | void |
1473 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1906 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1474 | PROTOTYPE: $$;$ |
1907 | PPCODE: |
|
|
1908 | { |
|
|
1909 | dREQ; |
|
|
1910 | |
|
|
1911 | req->type = EIO_BUSY; |
|
|
1912 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1913 | |
|
|
1914 | REQ_SEND; |
|
|
1915 | } |
|
|
1916 | |
|
|
1917 | void |
|
|
1918 | aio_group (SV *callback = &PL_sv_undef) |
1475 | PPCODE: |
1919 | PPCODE: |
1476 | { |
1920 | { |
1477 | SV *data; |
|
|
1478 | dREQ; |
|
|
1479 | |
|
|
1480 | data = newSV (NAME_MAX); |
|
|
1481 | SvPOK_on (data); |
|
|
1482 | |
|
|
1483 | req->type = REQ_READLINK; |
|
|
1484 | req->sv1 = newSVsv (path); |
|
|
1485 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1486 | req->sv2 = data; |
|
|
1487 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1488 | |
|
|
1489 | REQ_SEND; |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | void |
|
|
1493 | aio_sendfile (SV *out_fh, SV *in_fh, UV in_offset, UV length, SV *callback=&PL_sv_undef) |
|
|
1494 | PROTOTYPE: $$$$;$ |
|
|
1495 | PPCODE: |
|
|
1496 | { |
|
|
1497 | dREQ; |
1921 | dREQ; |
1498 | |
1922 | |
1499 | req->type = REQ_SENDFILE; |
1923 | req->type = EIO_GROUP; |
1500 | req->sv1 = newSVsv (out_fh); |
|
|
1501 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1502 | req->sv2 = newSVsv (in_fh); |
|
|
1503 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1504 | req->offs = in_offset; |
|
|
1505 | req->size = length; |
|
|
1506 | |
1924 | |
1507 | REQ_SEND; |
1925 | PUTBACK; |
1508 | } |
1926 | req_submit (req); |
|
|
1927 | SPAGAIN; |
1509 | |
1928 | |
|
|
1929 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1930 | } |
|
|
1931 | |
1510 | void |
1932 | void |
1511 | aio_readahead (SV *fh, UV offset, IV length, SV *callback=&PL_sv_undef) |
1933 | aio_nop (SV *callback = &PL_sv_undef) |
1512 | PROTOTYPE: $$$;$ |
1934 | ALIAS: |
1513 | PPCODE: |
1935 | aio_nop = EIO_NOP |
|
|
1936 | aio_sync = EIO_SYNC |
|
|
1937 | PPCODE: |
1514 | { |
1938 | { |
1515 | dREQ; |
1939 | dREQ; |
1516 | |
1940 | |
1517 | req->type = REQ_READAHEAD; |
|
|
1518 | req->sv1 = newSVsv (fh); |
|
|
1519 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1520 | req->offs = offset; |
|
|
1521 | req->size = length; |
|
|
1522 | |
|
|
1523 | REQ_SEND; |
|
|
1524 | } |
|
|
1525 | |
|
|
1526 | void |
|
|
1527 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
1528 | ALIAS: |
|
|
1529 | aio_stat = REQ_STAT |
|
|
1530 | aio_lstat = REQ_LSTAT |
|
|
1531 | PPCODE: |
|
|
1532 | { |
|
|
1533 | dREQ; |
|
|
1534 | |
|
|
1535 | req->ptr2 = malloc (sizeof (Stat_t)); |
|
|
1536 | if (!req->ptr2) |
|
|
1537 | { |
|
|
1538 | req_free (req); |
|
|
1539 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | req->flags |= FLAG_PTR2_FREE; |
|
|
1543 | req->sv1 = newSVsv (fh_or_path); |
|
|
1544 | |
|
|
1545 | if (SvPOK (fh_or_path)) |
|
|
1546 | { |
|
|
1547 | req->type = ix; |
|
|
1548 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1549 | } |
|
|
1550 | else |
|
|
1551 | { |
|
|
1552 | req->type = REQ_FSTAT; |
|
|
1553 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1554 | } |
|
|
1555 | |
|
|
1556 | REQ_SEND; |
|
|
1557 | } |
|
|
1558 | |
|
|
1559 | void |
|
|
1560 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1561 | PPCODE: |
|
|
1562 | { |
|
|
1563 | dREQ; |
|
|
1564 | |
|
|
1565 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1566 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1567 | req->sv1 = newSVsv (fh_or_path); |
|
|
1568 | |
|
|
1569 | if (SvPOK (fh_or_path)) |
|
|
1570 | { |
|
|
1571 | req->type = REQ_UTIME; |
|
|
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1573 | } |
|
|
1574 | else |
|
|
1575 | { |
|
|
1576 | req->type = REQ_FUTIME; |
|
|
1577 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1578 | } |
|
|
1579 | |
|
|
1580 | REQ_SEND; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void |
|
|
1584 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1585 | PPCODE: |
|
|
1586 | { |
|
|
1587 | dREQ; |
|
|
1588 | |
|
|
1589 | req->mode = mode; |
|
|
1590 | req->sv1 = newSVsv (fh_or_path); |
|
|
1591 | |
|
|
1592 | if (SvPOK (fh_or_path)) |
|
|
1593 | { |
|
|
1594 | req->type = REQ_CHMOD; |
|
|
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1596 | } |
|
|
1597 | else |
|
|
1598 | { |
|
|
1599 | req->type = REQ_FCHMOD; |
|
|
1600 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1601 | } |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | void |
|
|
1607 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1608 | PPCODE: |
|
|
1609 | { |
|
|
1610 | dREQ; |
|
|
1611 | |
|
|
1612 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1613 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1614 | req->sv1 = newSVsv (fh_or_path); |
|
|
1615 | |
|
|
1616 | if (SvPOK (fh_or_path)) |
|
|
1617 | { |
|
|
1618 | req->type = REQ_CHOWN; |
|
|
1619 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1620 | } |
|
|
1621 | else |
|
|
1622 | { |
|
|
1623 | req->type = REQ_FCHOWN; |
|
|
1624 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | REQ_SEND; |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | void |
|
|
1631 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1632 | ALIAS: |
|
|
1633 | aio_unlink = REQ_UNLINK |
|
|
1634 | aio_rmdir = REQ_RMDIR |
|
|
1635 | aio_readdir = REQ_READDIR |
|
|
1636 | PPCODE: |
|
|
1637 | { |
|
|
1638 | dREQ; |
|
|
1639 | |
|
|
1640 | req->type = ix; |
1941 | req->type = ix; |
1641 | req->sv1 = newSVsv (pathname); |
|
|
1642 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1643 | |
1942 | |
1644 | REQ_SEND; |
1943 | REQ_SEND; |
1645 | } |
1944 | } |
1646 | |
1945 | |
1647 | void |
|
|
1648 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1649 | PPCODE: |
|
|
1650 | { |
|
|
1651 | dREQ; |
|
|
1652 | |
|
|
1653 | req->type = REQ_MKDIR; |
|
|
1654 | req->sv1 = newSVsv (pathname); |
|
|
1655 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1656 | req->mode = mode; |
|
|
1657 | |
|
|
1658 | REQ_SEND; |
|
|
1659 | } |
|
|
1660 | |
|
|
1661 | void |
|
|
1662 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1663 | ALIAS: |
|
|
1664 | aio_link = REQ_LINK |
|
|
1665 | aio_symlink = REQ_SYMLINK |
|
|
1666 | aio_rename = REQ_RENAME |
|
|
1667 | PPCODE: |
|
|
1668 | { |
|
|
1669 | dREQ; |
|
|
1670 | |
|
|
1671 | req->type = ix; |
|
|
1672 | req->sv2 = newSVsv (oldpath); |
|
|
1673 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1674 | req->sv1 = newSVsv (newpath); |
|
|
1675 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1676 | |
|
|
1677 | REQ_SEND; |
|
|
1678 | } |
|
|
1679 | |
|
|
1680 | void |
|
|
1681 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1682 | PPCODE: |
|
|
1683 | { |
|
|
1684 | dREQ; |
|
|
1685 | |
|
|
1686 | req->type = REQ_MKNOD; |
|
|
1687 | req->sv1 = newSVsv (pathname); |
|
|
1688 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1689 | req->mode = (mode_t)mode; |
|
|
1690 | req->offs = dev; |
|
|
1691 | |
|
|
1692 | REQ_SEND; |
|
|
1693 | } |
|
|
1694 | |
|
|
1695 | void |
|
|
1696 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1697 | PPCODE: |
|
|
1698 | { |
|
|
1699 | dREQ; |
|
|
1700 | |
|
|
1701 | req->type = REQ_BUSY; |
|
|
1702 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1703 | |
|
|
1704 | REQ_SEND; |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | void |
|
|
1708 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1709 | PROTOTYPE: ;$ |
|
|
1710 | PPCODE: |
|
|
1711 | { |
|
|
1712 | dREQ; |
|
|
1713 | |
|
|
1714 | req->type = REQ_GROUP; |
|
|
1715 | |
|
|
1716 | req_send (req); |
|
|
1717 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1718 | } |
|
|
1719 | |
|
|
1720 | void |
|
|
1721 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1722 | PPCODE: |
|
|
1723 | { |
|
|
1724 | dREQ; |
|
|
1725 | |
|
|
1726 | req->type = REQ_NOP; |
|
|
1727 | |
|
|
1728 | REQ_SEND; |
|
|
1729 | } |
|
|
1730 | |
|
|
1731 | int |
1946 | int |
1732 | aioreq_pri (int pri = 0) |
1947 | aioreq_pri (int pri = NO_INIT) |
1733 | PROTOTYPE: ;$ |
|
|
1734 | CODE: |
1948 | CODE: |
1735 | RETVAL = next_pri - PRI_BIAS; |
1949 | RETVAL = next_pri; |
1736 | if (items > 0) |
1950 | if (items > 0) |
1737 | { |
1951 | { |
1738 | if (pri < PRI_MIN) pri = PRI_MIN; |
1952 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1739 | if (pri > PRI_MAX) pri = PRI_MAX; |
1953 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1740 | next_pri = pri + PRI_BIAS; |
1954 | next_pri = pri; |
1741 | } |
1955 | } |
1742 | OUTPUT: |
1956 | OUTPUT: |
1743 | RETVAL |
1957 | RETVAL |
1744 | |
1958 | |
1745 | void |
1959 | void |
1746 | aioreq_nice (int nice = 0) |
1960 | aioreq_nice (int nice = 0) |
1747 | CODE: |
1961 | CODE: |
1748 | nice = next_pri - nice; |
1962 | nice = next_pri - nice; |
1749 | if (nice < PRI_MIN) nice = PRI_MIN; |
1963 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1750 | if (nice > PRI_MAX) nice = PRI_MAX; |
1964 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1751 | next_pri = nice + PRI_BIAS; |
1965 | next_pri = nice; |
1752 | |
1966 | |
1753 | void |
1967 | void |
1754 | flush () |
1968 | flush () |
1755 | PROTOTYPE: |
|
|
1756 | CODE: |
1969 | CODE: |
1757 | while (nreqs) |
1970 | while (eio_nreqs ()) |
1758 | { |
1971 | { |
1759 | poll_wait (); |
1972 | poll_wait (); |
1760 | poll_cb (); |
1973 | poll_cb (); |
1761 | } |
1974 | } |
1762 | |
1975 | |
1763 | int |
1976 | int |
1764 | poll() |
1977 | poll () |
1765 | PROTOTYPE: |
|
|
1766 | CODE: |
1978 | CODE: |
1767 | poll_wait (); |
1979 | poll_wait (); |
1768 | RETVAL = poll_cb (); |
1980 | RETVAL = poll_cb (); |
1769 | OUTPUT: |
1981 | OUTPUT: |
1770 | RETVAL |
1982 | RETVAL |
1771 | |
1983 | |
1772 | int |
1984 | int |
1773 | poll_fileno() |
1985 | poll_fileno () |
1774 | PROTOTYPE: |
|
|
1775 | CODE: |
1986 | CODE: |
1776 | RETVAL = respipe [0]; |
1987 | RETVAL = s_epipe_fd (&respipe); |
1777 | OUTPUT: |
1988 | OUTPUT: |
1778 | RETVAL |
1989 | RETVAL |
1779 | |
1990 | |
1780 | int |
1991 | int |
1781 | poll_cb(...) |
1992 | poll_cb (...) |
1782 | PROTOTYPE: |
1993 | PROTOTYPE: |
1783 | CODE: |
1994 | CODE: |
1784 | RETVAL = poll_cb (); |
1995 | RETVAL = poll_cb (); |
1785 | OUTPUT: |
1996 | OUTPUT: |
1786 | RETVAL |
1997 | RETVAL |
1787 | |
1998 | |
1788 | void |
1999 | void |
1789 | poll_wait() |
2000 | poll_wait () |
1790 | PROTOTYPE: |
|
|
1791 | CODE: |
2001 | CODE: |
1792 | poll_wait (); |
2002 | poll_wait (); |
1793 | |
2003 | |
1794 | void |
|
|
1795 | setsig (int signum = SIGIO) |
|
|
1796 | PROTOTYPE: ;$ |
|
|
1797 | CODE: |
|
|
1798 | { |
|
|
1799 | if (block_sig_level) |
|
|
1800 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1801 | |
|
|
1802 | LOCK (reslock); |
|
|
1803 | main_tid = pthread_self (); |
|
|
1804 | main_sig = signum; |
|
|
1805 | UNLOCK (reslock); |
|
|
1806 | |
|
|
1807 | if (main_sig && npending) |
|
|
1808 | pthread_kill (main_tid, main_sig); |
|
|
1809 | } |
|
|
1810 | |
|
|
1811 | void |
|
|
1812 | aio_block (SV *cb) |
|
|
1813 | PROTOTYPE: & |
|
|
1814 | PPCODE: |
|
|
1815 | { |
|
|
1816 | int count; |
|
|
1817 | |
|
|
1818 | block_sig (); |
|
|
1819 | PUSHMARK (SP); |
|
|
1820 | PUTBACK; |
|
|
1821 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1822 | SPAGAIN; |
|
|
1823 | unblock_sig (); |
|
|
1824 | |
|
|
1825 | if (SvTRUE (ERRSV)) |
|
|
1826 | croak (0); |
|
|
1827 | |
|
|
1828 | XSRETURN (count); |
|
|
1829 | } |
|
|
1830 | |
|
|
1831 | int |
2004 | int |
1832 | nreqs() |
2005 | nreqs () |
1833 | PROTOTYPE: |
|
|
1834 | CODE: |
2006 | CODE: |
1835 | RETVAL = nreqs; |
2007 | RETVAL = eio_nreqs (); |
1836 | OUTPUT: |
2008 | OUTPUT: |
1837 | RETVAL |
2009 | RETVAL |
1838 | |
2010 | |
1839 | int |
2011 | int |
1840 | nready() |
2012 | nready () |
1841 | PROTOTYPE: |
|
|
1842 | CODE: |
2013 | CODE: |
1843 | RETVAL = get_nready (); |
2014 | RETVAL = eio_nready (); |
1844 | OUTPUT: |
2015 | OUTPUT: |
1845 | RETVAL |
2016 | RETVAL |
1846 | |
2017 | |
1847 | int |
2018 | int |
1848 | npending() |
2019 | npending () |
1849 | PROTOTYPE: |
|
|
1850 | CODE: |
2020 | CODE: |
1851 | RETVAL = get_npending (); |
2021 | RETVAL = eio_npending (); |
1852 | OUTPUT: |
2022 | OUTPUT: |
1853 | RETVAL |
2023 | RETVAL |
1854 | |
2024 | |
1855 | int |
2025 | int |
1856 | nthreads() |
2026 | nthreads () |
1857 | PROTOTYPE: |
|
|
1858 | CODE: |
2027 | CODE: |
1859 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
2028 | RETVAL = eio_nthreads (); |
1860 | RETVAL = started; |
|
|
1861 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1862 | OUTPUT: |
2029 | OUTPUT: |
1863 | RETVAL |
2030 | RETVAL |
1864 | |
2031 | |
|
|
2032 | int |
|
|
2033 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
2034 | CODE: |
|
|
2035 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
2036 | OUTPUT: |
|
|
2037 | RETVAL |
|
|
2038 | |
|
|
2039 | IV |
|
|
2040 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
2041 | CODE: |
|
|
2042 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
2043 | OUTPUT: |
|
|
2044 | RETVAL |
|
|
2045 | |
|
|
2046 | void |
|
|
2047 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2048 | PPCODE: |
|
|
2049 | sv_clear_foreign (scalar); |
|
|
2050 | { |
|
|
2051 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2052 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2053 | if (addr == (void *)-1) |
|
|
2054 | XSRETURN_NO; |
|
|
2055 | |
|
|
2056 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2057 | |
|
|
2058 | if (!(prot & PROT_WRITE)) |
|
|
2059 | SvREADONLY_on (scalar); |
|
|
2060 | |
|
|
2061 | XSRETURN_YES; |
|
|
2062 | } |
|
|
2063 | |
|
|
2064 | void |
|
|
2065 | munmap (SV *scalar) |
|
|
2066 | CODE: |
|
|
2067 | sv_clear_foreign (scalar); |
|
|
2068 | |
|
|
2069 | SV * |
|
|
2070 | mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0) |
|
|
2071 | CODE: |
|
|
2072 | { |
|
|
2073 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2074 | void *new; |
|
|
2075 | |
|
|
2076 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2077 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2078 | |
|
|
2079 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2080 | |
|
|
2081 | RETVAL = &PL_sv_no; |
|
|
2082 | |
|
|
2083 | if (new != (void *)-1) |
|
|
2084 | { |
|
|
2085 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2086 | ? newSVpvn ("0 but true", 10) |
|
|
2087 | : &PL_sv_yes; |
|
|
2088 | |
|
|
2089 | mg->mg_ptr = (char *)new; |
|
|
2090 | mg->mg_obj = (SV *)new_length; |
|
|
2091 | |
|
|
2092 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2093 | SvCUR_set (scalar, new_length); |
|
|
2094 | } |
|
|
2095 | } |
|
|
2096 | OUTPUT: |
|
|
2097 | RETVAL |
|
|
2098 | |
|
|
2099 | int |
|
|
2100 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2101 | ALIAS: |
|
|
2102 | mprotect = 1 |
|
|
2103 | CODE: |
|
|
2104 | { |
|
|
2105 | STRLEN svlen; |
|
|
2106 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2107 | STRLEN len = SvUV (length); |
|
|
2108 | |
|
|
2109 | if (offset < 0) |
|
|
2110 | offset += svlen; |
|
|
2111 | |
|
|
2112 | if (offset < 0 || offset > svlen) |
|
|
2113 | croak ("offset outside of scalar"); |
|
|
2114 | |
|
|
2115 | if (!SvOK (length) || len + offset > svlen) |
|
|
2116 | len = svlen - offset; |
|
|
2117 | |
|
|
2118 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2119 | eio_page_align (&addr, &len); |
|
|
2120 | |
|
|
2121 | switch (ix) |
|
|
2122 | { |
|
|
2123 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2124 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2125 | } |
|
|
2126 | } |
|
|
2127 | OUTPUT: |
|
|
2128 | RETVAL |
|
|
2129 | |
|
|
2130 | int |
|
|
2131 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
2132 | CODE: |
|
|
2133 | { |
|
|
2134 | STRLEN svlen; |
|
|
2135 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2136 | size_t len = SvUV (length); |
|
|
2137 | |
|
|
2138 | if (offset < 0) |
|
|
2139 | offset += svlen; |
|
|
2140 | |
|
|
2141 | if (offset < 0 || offset > svlen) |
|
|
2142 | croak ("offset outside of scalar"); |
|
|
2143 | |
|
|
2144 | if (!SvOK (length) || len + offset > svlen) |
|
|
2145 | len = svlen - offset; |
|
|
2146 | |
|
|
2147 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2148 | eio_page_align (&addr, &len); |
|
|
2149 | #if _POSIX_MEMLOCK_RANGE |
|
|
2150 | RETVAL = munlock (addr, len); |
|
|
2151 | #else |
|
|
2152 | RETVAL = EIO_ENOSYS (); |
|
|
2153 | #endif |
|
|
2154 | } |
|
|
2155 | OUTPUT: |
|
|
2156 | RETVAL |
|
|
2157 | |
|
|
2158 | int |
|
|
2159 | munlockall () |
|
|
2160 | CODE: |
|
|
2161 | #if _POSIX_MEMLOCK |
|
|
2162 | munlockall (); |
|
|
2163 | #else |
|
|
2164 | RETVAL = EIO_ENOSYS (); |
|
|
2165 | #endif |
|
|
2166 | OUTPUT: |
|
|
2167 | RETVAL |
|
|
2168 | |
|
|
2169 | int |
|
|
2170 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2171 | CODE: |
|
|
2172 | { |
|
|
2173 | #if HAVE_LINUX_SPLICE |
|
|
2174 | loff_t off_in_, off_out_; |
|
|
2175 | RETVAL = splice ( |
|
|
2176 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2177 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2178 | length, flags |
|
|
2179 | ); |
|
|
2180 | #else |
|
|
2181 | RETVAL = EIO_ENOSYS (); |
|
|
2182 | #endif |
|
|
2183 | } |
|
|
2184 | OUTPUT: |
|
|
2185 | RETVAL |
|
|
2186 | |
|
|
2187 | int |
|
|
2188 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2189 | CODE: |
|
|
2190 | #if HAVE_LINUX_SPLICE |
|
|
2191 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2192 | #else |
|
|
2193 | RETVAL = EIO_ENOSYS (); |
|
|
2194 | #endif |
|
|
2195 | OUTPUT: |
|
|
2196 | RETVAL |
|
|
2197 | |
|
|
2198 | int |
|
|
2199 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2200 | PROTOTYPE: $;$ |
|
|
2201 | CODE: |
|
|
2202 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2203 | if (new_size >= 0) |
|
|
2204 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2205 | else |
|
|
2206 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2207 | #else |
|
|
2208 | errno = ENOSYS; |
|
|
2209 | RETVAL = -1; |
|
|
2210 | #endif |
|
|
2211 | OUTPUT: |
|
|
2212 | RETVAL |
|
|
2213 | |
|
|
2214 | void |
|
|
2215 | pipe2 (int flags = 0) |
|
|
2216 | PROTOTYPE: ;$ |
|
|
2217 | PPCODE: |
|
|
2218 | { |
|
|
2219 | int fd[2]; |
|
|
2220 | int res; |
|
|
2221 | |
|
|
2222 | if (flags) |
|
|
2223 | #if HAVE_PIPE2 |
|
|
2224 | res = pipe2 (fd, flags); |
|
|
2225 | #else |
|
|
2226 | res = (errno = ENOSYS, -1); |
|
|
2227 | #endif |
|
|
2228 | else |
|
|
2229 | res = pipe (fd); |
|
|
2230 | |
|
|
2231 | if (!res) |
|
|
2232 | { |
|
|
2233 | EXTEND (SP, 2); |
|
|
2234 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2235 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2236 | } |
|
|
2237 | } |
|
|
2238 | |
|
|
2239 | void |
|
|
2240 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2241 | PPCODE: |
|
|
2242 | { |
|
|
2243 | int fd; |
|
|
2244 | #if HAVE_EVENTFD |
|
|
2245 | fd = eventfd (initval, flags); |
|
|
2246 | #else |
|
|
2247 | fd = (errno = ENOSYS, -1); |
|
|
2248 | #endif |
|
|
2249 | |
|
|
2250 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | void |
|
|
2254 | timerfd_create (int clockid, int flags = 0) |
|
|
2255 | PPCODE: |
|
|
2256 | { |
|
|
2257 | int fd; |
|
|
2258 | #if HAVE_TIMERFD |
|
|
2259 | fd = timerfd_create (clockid, flags); |
|
|
2260 | #else |
|
|
2261 | fd = (errno = ENOSYS, -1); |
|
|
2262 | #endif |
|
|
2263 | |
|
|
2264 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2265 | } |
|
|
2266 | |
|
|
2267 | void |
|
|
2268 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2269 | PPCODE: |
|
|
2270 | { |
|
|
2271 | int fd = s_fileno_croak (fh, 0); |
|
|
2272 | #if HAVE_TIMERFD |
|
|
2273 | int res; |
|
|
2274 | struct itimerspec its, ots; |
|
|
2275 | |
|
|
2276 | ts_set (&its.it_interval, interval); |
|
|
2277 | ts_set (&its.it_value , value); |
|
|
2278 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2279 | |
|
|
2280 | if (!res) |
|
|
2281 | { |
|
|
2282 | EXTEND (SP, 2); |
|
|
2283 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2284 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2285 | } |
|
|
2286 | #else |
|
|
2287 | errno = ENOSYS; |
|
|
2288 | #endif |
|
|
2289 | } |
|
|
2290 | |
|
|
2291 | void |
|
|
2292 | timerfd_gettime (SV *fh) |
|
|
2293 | PPCODE: |
|
|
2294 | { |
|
|
2295 | int fd = s_fileno_croak (fh, 0); |
|
|
2296 | #if HAVE_TIMERFD |
|
|
2297 | int res; |
|
|
2298 | struct itimerspec ots; |
|
|
2299 | res = timerfd_gettime (fd, &ots); |
|
|
2300 | |
|
|
2301 | if (!res) |
|
|
2302 | { |
|
|
2303 | EXTEND (SP, 2); |
|
|
2304 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2305 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2306 | } |
|
|
2307 | #else |
|
|
2308 | errno = ENOSYS; |
|
|
2309 | #endif |
|
|
2310 | } |
|
|
2311 | |
|
|
2312 | UV |
|
|
2313 | get_fdlimit () |
|
|
2314 | CODE: |
|
|
2315 | #if HAVE_RLIMITS |
|
|
2316 | struct rlimit rl; |
|
|
2317 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2318 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2319 | #endif |
|
|
2320 | XSRETURN_UNDEF; |
|
|
2321 | OUTPUT: |
|
|
2322 | RETVAL |
|
|
2323 | |
|
|
2324 | void |
|
|
2325 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2326 | CODE: |
|
|
2327 | { |
|
|
2328 | #if HAVE_RLIMITS |
|
|
2329 | struct rlimit rl; |
|
|
2330 | rlim_t orig_rlim_max; |
|
|
2331 | UV bit; |
|
|
2332 | |
|
|
2333 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2334 | goto fail; |
|
|
2335 | |
|
|
2336 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2337 | XSRETURN_YES; |
|
|
2338 | |
|
|
2339 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2340 | |
|
|
2341 | if (rl.rlim_cur < limit) |
|
|
2342 | { |
|
|
2343 | rl.rlim_cur = limit; |
|
|
2344 | |
|
|
2345 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2346 | rl.rlim_max = rl.rlim_cur; |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2350 | XSRETURN_YES; |
|
|
2351 | |
|
|
2352 | if (errno == EPERM) |
|
|
2353 | { |
|
|
2354 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2355 | /* our limit overflows a system-wide limit */ |
|
|
2356 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2357 | rl.rlim_max = 0; |
|
|
2358 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2359 | { |
|
|
2360 | rl.rlim_max |= bit; |
|
|
2361 | rl.rlim_cur = rl.rlim_max; |
|
|
2362 | |
|
|
2363 | /* nevr decrease the hard limit */ |
|
|
2364 | if (rl.rlim_max < orig_rlim_max) |
|
|
2365 | break; |
|
|
2366 | |
|
|
2367 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2368 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | /* now, raise the soft limit to the max permitted */ |
|
|
2372 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2373 | { |
|
|
2374 | rl.rlim_cur = rl.rlim_max; |
|
|
2375 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2376 | errno = EPERM; |
|
|
2377 | } |
|
|
2378 | } |
|
|
2379 | #endif |
|
|
2380 | fail: |
|
|
2381 | XSRETURN_UNDEF; |
|
|
2382 | } |
|
|
2383 | |
|
|
2384 | void _on_next_submit (SV *cb) |
|
|
2385 | CODE: |
|
|
2386 | SvREFCNT_dec (on_next_submit); |
|
|
2387 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
2388 | |
1865 | PROTOTYPES: DISABLE |
2389 | PROTOTYPES: DISABLE |
|
|
2390 | |
|
|
2391 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2392 | |
|
|
2393 | BOOT: |
|
|
2394 | { |
|
|
2395 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2396 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2397 | } |
|
|
2398 | |
|
|
2399 | void |
|
|
2400 | DESTROY (SV *self) |
|
|
2401 | CODE: |
|
|
2402 | { |
|
|
2403 | aio_wd wd = SvAIO_WD (self); |
|
|
2404 | #if HAVE_AT |
|
|
2405 | { |
|
|
2406 | SV *callback = &PL_sv_undef; |
|
|
2407 | dREQ; /* clobbers next_pri :/ */ |
|
|
2408 | next_pri = req->pri; /* restore next_pri */ |
|
|
2409 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2410 | req->type = EIO_WD_CLOSE; |
|
|
2411 | req->wd = wd; |
|
|
2412 | REQ_SEND; |
|
|
2413 | } |
|
|
2414 | #else |
|
|
2415 | eio_wd_close_sync (wd); |
|
|
2416 | #endif |
|
|
2417 | } |
1866 | |
2418 | |
1867 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2419 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1868 | |
2420 | |
1869 | void |
2421 | void |
1870 | cancel (aio_req_ornot req) |
2422 | cancel (aio_req_ornot req) |
1871 | CODE: |
2423 | CODE: |
1872 | req_cancel (req); |
2424 | eio_cancel (req); |
1873 | |
2425 | |
1874 | void |
2426 | void |
1875 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2427 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1876 | CODE: |
2428 | PPCODE: |
|
|
2429 | { |
|
|
2430 | if (GIMME_V != G_VOID) |
|
|
2431 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2432 | |
|
|
2433 | if (items > 1) |
|
|
2434 | { |
|
|
2435 | SV *cb_cv = get_cb (callback); |
|
|
2436 | |
1877 | SvREFCNT_dec (req->callback); |
2437 | SvREFCNT_dec (req->callback); |
1878 | req->callback = newSVsv (callback); |
2438 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2439 | } |
|
|
2440 | } |
1879 | |
2441 | |
1880 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2442 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1881 | |
2443 | |
1882 | void |
2444 | void |
1883 | add (aio_req grp, ...) |
2445 | add (aio_req grp, ...) |
1884 | PPCODE: |
2446 | PPCODE: |
1885 | { |
2447 | { |
1886 | int i; |
2448 | int i; |
1887 | aio_req req; |
|
|
1888 | |
|
|
1889 | if (main_sig && !block_sig_level) |
|
|
1890 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1891 | |
2449 | |
1892 | if (grp->int1 == 2) |
2450 | if (grp->int1 == 2) |
1893 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2451 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1894 | |
2452 | |
1895 | for (i = 1; i < items; ++i ) |
2453 | for (i = 1; i < items; ++i ) |
1896 | { |
2454 | { |
|
|
2455 | aio_req req; |
|
|
2456 | |
1897 | if (GIMME_V != G_VOID) |
2457 | if (GIMME_V != G_VOID) |
1898 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2458 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1899 | |
2459 | |
1900 | req = SvAIO_REQ (ST (i)); |
2460 | req = SvAIO_REQ (ST (i)); |
1901 | |
2461 | |
1902 | if (req) |
2462 | if (req) |
1903 | { |
2463 | eio_grp_add (grp, req); |
1904 | ++grp->size; |
|
|
1905 | req->grp = grp; |
|
|
1906 | |
|
|
1907 | req->grp_prev = 0; |
|
|
1908 | req->grp_next = grp->grp_first; |
|
|
1909 | |
|
|
1910 | if (grp->grp_first) |
|
|
1911 | grp->grp_first->grp_prev = req; |
|
|
1912 | |
|
|
1913 | grp->grp_first = req; |
|
|
1914 | } |
|
|
1915 | } |
2464 | } |
1916 | } |
2465 | } |
1917 | |
2466 | |
1918 | void |
2467 | void |
1919 | cancel_subs (aio_req_ornot req) |
2468 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1928 | AV *av; |
2477 | AV *av; |
1929 | |
2478 | |
1930 | grp->errorno = errno; |
2479 | grp->errorno = errno; |
1931 | |
2480 | |
1932 | av = newAV (); |
2481 | av = newAV (); |
|
|
2482 | av_extend (av, items - 1); |
1933 | |
2483 | |
1934 | for (i = 1; i < items; ++i ) |
2484 | for (i = 1; i < items; ++i ) |
1935 | av_push (av, newSVsv (ST (i))); |
2485 | av_push (av, newSVsv (ST (i))); |
1936 | |
2486 | |
1937 | SvREFCNT_dec (grp->sv1); |
2487 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1944 | grp->errorno = errorno; |
2494 | grp->errorno = errorno; |
1945 | |
2495 | |
1946 | void |
2496 | void |
1947 | limit (aio_req grp, int limit) |
2497 | limit (aio_req grp, int limit) |
1948 | CODE: |
2498 | CODE: |
1949 | grp->int2 = limit; |
2499 | eio_grp_limit (grp, limit); |
1950 | aio_grp_feed (grp); |
|
|
1951 | |
2500 | |
1952 | void |
2501 | void |
1953 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2502 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1954 | CODE: |
2503 | CODE: |
1955 | { |
2504 | { |
1956 | SvREFCNT_dec (grp->sv2); |
2505 | SvREFCNT_dec (grp->sv2); |
1957 | grp->sv2 = newSVsv (callback); |
2506 | grp->sv2 = newSVsv (callback); |
|
|
2507 | grp->feed = aio_grp_feed; |
1958 | |
2508 | |
1959 | if (grp->int2 <= 0) |
2509 | if (grp->int2 <= 0) |
1960 | grp->int2 = 2; |
2510 | grp->int2 = 2; |
1961 | |
2511 | |
1962 | aio_grp_feed (grp); |
2512 | eio_grp_limit (grp, grp->int2); |
1963 | } |
2513 | } |
1964 | |
2514 | |