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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 "schmorp.h" |
9 | #if !defined mg_findext |
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10 | # define mg_findext(sv,type,vtbl) mg_find (sv, type) |
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11 | #endif |
10 | |
12 | |
11 | #include <stddef.h> |
13 | #include <stddef.h> |
12 | #include <stdlib.h> |
14 | #include <stdlib.h> |
13 | #include <errno.h> |
15 | #include <errno.h> |
14 | #include <sys/types.h> |
16 | #include <sys/types.h> |
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17 | #include <sys/socket.h> |
15 | #include <sys/stat.h> |
18 | #include <sys/stat.h> |
16 | #include <limits.h> |
19 | #include <limits.h> |
17 | #include <fcntl.h> |
20 | #include <fcntl.h> |
18 | #include <sched.h> |
21 | #include <sched.h> |
19 | |
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20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
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21 | # include <sys/mman.h> |
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22 | #endif |
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23 | |
22 | |
24 | /* the incompetent fool that created musl keeps __linux__, refuses |
23 | /* the incompetent fool that created musl keeps __linux__, refuses |
25 | * to implement any linux standard apis, and also has no way to test |
24 | * to implement any linux standard apis, and also has no way to test |
26 | * for his broken iplementation. don't complain to me if this fails |
25 | * for his broken iplementation. don't complain to me if this fails |
27 | * for you. |
26 | * for you. |
… | |
… | |
75 | #undef fchmod |
74 | #undef fchmod |
76 | #undef dup |
75 | #undef dup |
77 | #undef dup2 |
76 | #undef dup2 |
78 | #undef abort |
77 | #undef abort |
79 | #undef pipe |
78 | #undef pipe |
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79 | #undef utime |
80 | |
80 | |
81 | #define EIO_STRUCT_STAT struct _stati64 |
81 | #define EIO_STRUCT_STAT struct _stati64 |
82 | #define EIO_STRUCT_STATI64 |
82 | #define EIO_STRUCT_STATI64 |
83 | |
83 | |
84 | #else |
84 | #else |
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103 | |
103 | |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
106 | |
106 | |
107 | /*****************************************************************************/ |
107 | /*****************************************************************************/ |
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108 | |
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109 | #include "config.h" |
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110 | |
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111 | #if HAVE_SYS_MKDEV_H |
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112 | # include <sys/mkdev.h> |
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113 | #elif HAVE_SYS_SYSMACROS_H |
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114 | # include <sys/sysmacros.h> |
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115 | #endif |
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116 | |
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117 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
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118 | # include <sys/mman.h> |
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119 | #endif |
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120 | |
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121 | #if HAVE_ST_XTIMENSEC |
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122 | # define ATIMENSEC PL_statcache.st_atimensec |
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123 | # define MTIMENSEC PL_statcache.st_mtimensec |
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124 | # define CTIMENSEC PL_statcache.st_ctimensec |
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125 | #elif HAVE_ST_XTIMESPEC |
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126 | # define ATIMENSEC PL_statcache.st_atim.tv_nsec |
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127 | # define MTIMENSEC PL_statcache.st_mtim.tv_nsec |
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128 | # define CTIMENSEC PL_statcache.st_ctim.tv_nsec |
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129 | #else |
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130 | # define ATIMENSEC 0 |
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131 | # define MTIMENSEC 0 |
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132 | # define CTIMENSEC 0 |
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133 | #endif |
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134 | |
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135 | #if HAVE_ST_BIRTHTIMENSEC |
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136 | # define BTIMESEC PL_statcache.st_birthtime |
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137 | # define BTIMENSEC PL_statcache.st_birthtimensec |
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138 | #elif HAVE_ST_BIRTHTIMESPEC |
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139 | # define BTIMESEC PL_statcache.st_birthtim.tv_sec |
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140 | # define BTIMENSEC PL_statcache.st_birthtim.tv_nsec |
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141 | #else |
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142 | # define BTIMESEC 0 |
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143 | # define BTIMENSEC 0 |
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144 | #endif |
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145 | |
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146 | #if HAVE_ST_GEN |
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147 | # define ST_GEN PL_statcache.st_gen |
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148 | #else |
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149 | # define ST_GEN 0 |
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150 | #endif |
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151 | |
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152 | #include "schmorp.h" |
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153 | |
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154 | #if HAVE_EVENTFD |
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155 | # include <sys/eventfd.h> |
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156 | #endif |
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157 | |
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158 | #if HAVE_TIMERFD |
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159 | # include <sys/timerfd.h> |
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160 | #endif |
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161 | |
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162 | #if HAVE_RLIMITS |
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163 | #include <sys/time.h> |
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164 | #include <sys/resource.h> |
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165 | #endif |
108 | |
166 | |
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
167 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
110 | typedef int aio_rfd; /* read file desriptor */ |
168 | typedef int aio_rfd; /* read file desriptor */ |
111 | typedef int aio_wfd; /* write file descriptor */ |
169 | typedef int aio_wfd; /* write file descriptor */ |
112 | |
170 | |
… | |
… | |
119 | STRLEN stroffset; \ |
177 | STRLEN stroffset; \ |
120 | SV *self; |
178 | SV *self; |
121 | |
179 | |
122 | #define EIO_NO_WRAPPERS 1 |
180 | #define EIO_NO_WRAPPERS 1 |
123 | |
181 | |
124 | #include "libeio/config.h" |
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125 | #include "libeio/eio.h" |
182 | #include "libeio/eio.h" |
126 | |
183 | |
127 | static int req_invoke (eio_req *req); |
184 | static int req_invoke (eio_req *req); |
128 | #define EIO_FINISH(req) req_invoke (req) |
185 | #define EIO_FINISH(req) req_invoke (req) |
129 | static void req_destroy (eio_req *grp); |
186 | static void req_destroy (eio_req *grp); |
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145 | # else |
202 | # else |
146 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
203 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
147 | # endif |
204 | # endif |
148 | #endif |
205 | #endif |
149 | |
206 | |
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207 | #ifndef makedev |
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208 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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209 | #endif |
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210 | #ifndef major |
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211 | # define major(dev) ((dev) >> 8) |
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212 | #endif |
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213 | #ifndef minor |
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214 | # define minor(dev) ((dev) & 0xff) |
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215 | #endif |
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216 | |
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217 | /* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */ |
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218 | #ifdef __sun |
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219 | # undef PAGESIZE |
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220 | #endif |
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221 | |
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222 | #if PAGESIZE <= 0 |
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223 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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224 | #endif |
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225 | |
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226 | /*****************************************************************************/ |
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227 | |
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228 | #if !_POSIX_MAPPED_FILES |
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229 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
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230 | # define munmap(addr,length) EIO_ENOSYS () |
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231 | #endif |
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232 | |
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233 | #if !_POSIX_MEMORY_PROTECTION |
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234 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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235 | #endif |
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236 | |
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237 | #if !MREMAP_MAYMOVE |
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238 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
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239 | #endif |
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240 | |
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241 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
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242 | |
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243 | static int ecb_cold |
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244 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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245 | { |
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246 | int old_errno = errno; |
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247 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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248 | errno = old_errno; |
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249 | |
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250 | mg->mg_obj = 0; /* just in case */ |
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251 | |
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252 | SvREADONLY_off (sv); |
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253 | |
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254 | if (SvPVX (sv) != mg->mg_ptr) |
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255 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
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256 | |
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257 | SvCUR_set (sv, 0); |
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258 | SvPVX (sv) = 0; |
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259 | SvOK_off (sv); |
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260 | |
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261 | return 0; |
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262 | } |
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263 | |
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264 | static MGVTBL mmap_vtbl = { |
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265 | 0, 0, 0, 0, mmap_free |
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266 | }; |
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267 | |
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268 | static int ecb_cold |
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269 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
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270 | { |
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271 | free (mg->mg_ptr); |
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272 | mg->mg_obj = 0; /* just in case */ |
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273 | |
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274 | SvREADONLY_off (sv); |
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275 | |
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276 | if (SvPVX (sv) != mg->mg_ptr) |
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277 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
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278 | |
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279 | SvCUR_set (sv, 0); |
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280 | SvPVX (sv) = 0; |
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281 | SvOK_off (sv); |
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282 | |
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283 | return 0; |
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284 | } |
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285 | |
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286 | static MGVTBL sysfree_vtbl = { |
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287 | 0, 0, 0, 0, sysfree_free |
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288 | }; |
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289 | |
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290 | /*****************************************************************************/ |
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291 | |
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292 | /* helper: set scalar to foreign ptr with custom free */ |
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293 | static void |
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294 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
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295 | { |
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296 | sv_force_normal (sv); |
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297 | |
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298 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
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299 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
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300 | ->mg_obj = (SV *)length; |
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301 | |
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302 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
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303 | |
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304 | if (SvLEN (sv)) |
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305 | Safefree (SvPVX (sv)); |
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306 | |
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|
307 | SvPVX (sv) = (char *)addr; |
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|
308 | SvCUR_set (sv, length); |
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309 | SvLEN_set (sv, 0); |
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310 | SvPOK_only (sv); |
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311 | } |
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312 | |
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313 | static void |
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314 | sv_clear_foreign (SV *sv) |
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315 | { |
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316 | /* todo: iterate over magic and only free ours, but of course */ |
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317 | /* the perl5porters will call that (correct) behaviour buggy */ |
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318 | sv_unmagic (sv, FOREIGN_MAGIC); |
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319 | } |
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320 | |
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321 | /*****************************************************************************/ |
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|
322 | |
150 | /* defines all sorts of constants to 0 unless they are already defined */ |
323 | /* defines all sorts of constants to 0 unless they are already defined */ |
151 | /* also provides const_iv_ and const_niv_ macros for them */ |
324 | /* also provides const_iv_ and const_niv_ macros for them */ |
152 | #include "def0.h" |
325 | #include "def0.h" |
153 | |
|
|
154 | #ifndef makedev |
|
|
155 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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|
156 | #endif |
|
|
157 | #ifndef major |
|
|
158 | # define major(dev) ((dev) >> 8) |
|
|
159 | #endif |
|
|
160 | #ifndef minor |
|
|
161 | # define minor(dev) ((dev) & 0xff) |
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|
162 | #endif |
|
|
163 | |
|
|
164 | #if PAGESIZE <= 0 |
|
|
165 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
|
|
166 | #endif |
|
|
167 | |
326 | |
168 | /*****************************************************************************/ |
327 | /*****************************************************************************/ |
169 | |
328 | |
170 | static void |
329 | static void |
171 | fiemap (eio_req *req) |
330 | fiemap (eio_req *req) |
… | |
… | |
262 | errno = ENOSYS; |
421 | errno = ENOSYS; |
263 | #endif |
422 | #endif |
264 | } |
423 | } |
265 | |
424 | |
266 | /*****************************************************************************/ |
425 | /*****************************************************************************/ |
|
|
426 | |
|
|
427 | static int close_fd; /* dummy fd to close fds via dup2 */ |
267 | |
428 | |
268 | enum { |
429 | enum { |
269 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
430 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
270 | }; |
431 | }; |
271 | |
432 | |
… | |
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591 | SvSETMAGIC (req->sv2); |
752 | SvSETMAGIC (req->sv2); |
592 | PUSHs (sv_result); |
753 | PUSHs (sv_result); |
593 | } |
754 | } |
594 | break; |
755 | break; |
595 | |
756 | |
|
|
757 | case EIO_SLURP: |
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758 | { |
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759 | if (req->result >= 0) |
|
|
760 | { |
|
|
761 | /* if length was originally not known, we steal the malloc'ed memory */ |
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762 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
763 | { |
|
|
764 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
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765 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
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766 | } |
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767 | else |
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768 | { |
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769 | SvCUR_set (req->sv2, req->result); |
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770 | *SvEND (req->sv2) = 0; |
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771 | SvPOK_only (req->sv2); |
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772 | } |
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773 | |
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774 | SvSETMAGIC (req->sv2); |
|
|
775 | } |
|
|
776 | |
|
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777 | PUSHs (sv_result); |
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778 | } |
|
|
779 | break; |
|
|
780 | |
596 | case EIO_CUSTOM: |
781 | case EIO_CUSTOM: |
597 | if (req->feed == fiemap) |
782 | if (req->feed == fiemap) |
598 | { |
783 | { |
599 | #if HAVE_FIEMAP |
784 | #if HAVE_FIEMAP |
600 | if (!req->result) |
785 | if (!req->result) |
… | |
… | |
743 | create_respipe (); |
928 | create_respipe (); |
744 | |
929 | |
745 | if (eio_init (want_poll, done_poll) < 0) |
930 | if (eio_init (want_poll, done_poll) < 0) |
746 | croak ("IO::AIO: unable to initialise eio library"); |
931 | croak ("IO::AIO: unable to initialise eio library"); |
747 | } |
932 | } |
748 | |
|
|
749 | /*****************************************************************************/ |
|
|
750 | |
|
|
751 | #if !_POSIX_MAPPED_FILES |
|
|
752 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
753 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | #if !_POSIX_MEMORY_PROTECTION |
|
|
757 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
758 | #endif |
|
|
759 | |
|
|
760 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
761 | |
|
|
762 | static int ecb_cold |
|
|
763 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
764 | { |
|
|
765 | int old_errno = errno; |
|
|
766 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
767 | errno = old_errno; |
|
|
768 | |
|
|
769 | mg->mg_obj = 0; /* just in case */ |
|
|
770 | |
|
|
771 | SvREADONLY_off (sv); |
|
|
772 | |
|
|
773 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
774 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
775 | |
|
|
776 | SvCUR_set (sv, 0); |
|
|
777 | SvPVX (sv) = 0; |
|
|
778 | SvOK_off (sv); |
|
|
779 | |
|
|
780 | return 0; |
|
|
781 | } |
|
|
782 | |
|
|
783 | static MGVTBL mmap_vtbl = { |
|
|
784 | 0, 0, 0, 0, mmap_free |
|
|
785 | }; |
|
|
786 | |
933 | |
787 | /*****************************************************************************/ |
934 | /*****************************************************************************/ |
788 | |
935 | |
789 | static SV * |
936 | static SV * |
790 | get_cb (SV *cb_sv) |
937 | get_cb (SV *cb_sv) |
… | |
… | |
886 | req_set_path1 (req, fh_or_path); |
1033 | req_set_path1 (req, fh_or_path); |
887 | break; |
1034 | break; |
888 | } |
1035 | } |
889 | } |
1036 | } |
890 | |
1037 | |
|
|
1038 | /*****************************************************************************/ |
|
|
1039 | |
|
|
1040 | static void |
|
|
1041 | ts_set (struct timespec *ts, NV value) |
|
|
1042 | { |
|
|
1043 | ts->tv_sec = value; |
|
|
1044 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
|
|
1045 | } |
|
|
1046 | |
|
|
1047 | static NV |
|
|
1048 | ts_get (const struct timespec *ts) |
|
|
1049 | { |
|
|
1050 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
|
|
1051 | } |
|
|
1052 | |
|
|
1053 | /*****************************************************************************/ |
|
|
1054 | |
891 | XS(boot_IO__AIO) ecb_cold; |
1055 | XS(boot_IO__AIO) ecb_cold; |
892 | |
1056 | |
893 | MODULE = IO::AIO PACKAGE = IO::AIO |
1057 | MODULE = IO::AIO PACKAGE = IO::AIO |
894 | |
1058 | |
895 | PROTOTYPES: ENABLE |
1059 | PROTOTYPES: ENABLE |
… | |
… | |
924 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
1088 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
925 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
1089 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
926 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
1090 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
927 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
1091 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
928 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
1092 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
929 | const_niv (MADV_FREE , POSIX_MADV_FREE) |
|
|
930 | |
1093 | |
931 | /* the second block will be 0 when missing */ |
1094 | /* the second block will be 0 when missing */ |
|
|
1095 | const_iv (O_ACCMODE) |
|
|
1096 | |
932 | const_iv (O_RDONLY) |
1097 | const_iv (O_RDONLY) |
933 | const_iv (O_WRONLY) |
1098 | const_iv (O_WRONLY) |
934 | const_iv (O_RDWR) |
1099 | const_iv (O_RDWR) |
935 | const_iv (O_CREAT) |
1100 | const_iv (O_CREAT) |
936 | const_iv (O_TRUNC) |
1101 | const_iv (O_TRUNC) |
… | |
… | |
995 | const_iv (MAP_NONBLOCK) |
1160 | const_iv (MAP_NONBLOCK) |
996 | const_iv (MAP_GROWSDOWN) |
1161 | const_iv (MAP_GROWSDOWN) |
997 | const_iv (MAP_32BIT) |
1162 | const_iv (MAP_32BIT) |
998 | const_iv (MAP_HUGETLB) |
1163 | const_iv (MAP_HUGETLB) |
999 | const_iv (MAP_STACK) |
1164 | const_iv (MAP_STACK) |
|
|
1165 | |
|
|
1166 | const_iv (MREMAP_MAYMOVE) |
|
|
1167 | const_iv (MREMAP_FIXED) |
|
|
1168 | |
|
|
1169 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1170 | |
|
|
1171 | const_iv (MSG_CMSG_CLOEXEC) |
|
|
1172 | const_iv (SOCK_CLOEXEC) |
|
|
1173 | |
|
|
1174 | const_iv (F_OFD_GETLK) |
|
|
1175 | const_iv (F_OFD_SETLK) |
|
|
1176 | const_iv (F_OFD_GETLKW) |
1000 | |
1177 | |
1001 | const_iv (FIFREEZE) |
1178 | const_iv (FIFREEZE) |
1002 | const_iv (FITHAW) |
1179 | const_iv (FITHAW) |
1003 | const_iv (FITRIM) |
1180 | const_iv (FITRIM) |
1004 | const_iv (FICLONE) |
1181 | const_iv (FICLONE) |
… | |
… | |
1073 | const_iv (SPLICE_F_MOVE) |
1250 | const_iv (SPLICE_F_MOVE) |
1074 | const_iv (SPLICE_F_NONBLOCK) |
1251 | const_iv (SPLICE_F_NONBLOCK) |
1075 | const_iv (SPLICE_F_MORE) |
1252 | const_iv (SPLICE_F_MORE) |
1076 | const_iv (SPLICE_F_GIFT) |
1253 | const_iv (SPLICE_F_GIFT) |
1077 | |
1254 | |
|
|
1255 | const_iv (EFD_CLOEXEC) |
|
|
1256 | const_iv (EFD_NONBLOCK) |
|
|
1257 | const_iv (EFD_SEMAPHORE) |
|
|
1258 | |
|
|
1259 | const_iv (CLOCK_REALTIME) |
|
|
1260 | const_iv (CLOCK_MONOTONIC) |
|
|
1261 | const_iv (CLOCK_BOOTTIME) |
|
|
1262 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1263 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1264 | |
|
|
1265 | const_iv (TFD_NONBLOCK) |
|
|
1266 | const_iv (TFD_CLOEXEC) |
|
|
1267 | |
|
|
1268 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1269 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1270 | |
1078 | /* these are libeio constants, and are independent of gendef0 */ |
1271 | /* these are libeio constants, and are independent of gendef0 */ |
1079 | const_eio (SEEK_SET) |
1272 | const_eio (SEEK_SET) |
1080 | const_eio (SEEK_CUR) |
1273 | const_eio (SEEK_CUR) |
1081 | const_eio (SEEK_END) |
1274 | const_eio (SEEK_END) |
1082 | |
1275 | |
1083 | const_eio (MCL_FUTURE) |
1276 | const_eio (MCL_FUTURE) |
1084 | const_eio (MCL_CURRENT) |
1277 | const_eio (MCL_CURRENT) |
|
|
1278 | const_eio (MCL_ONFAULT) |
1085 | |
1279 | |
1086 | const_eio (MS_ASYNC) |
1280 | const_eio (MS_ASYNC) |
1087 | const_eio (MS_INVALIDATE) |
1281 | const_eio (MS_INVALIDATE) |
1088 | const_eio (MS_SYNC) |
1282 | const_eio (MS_SYNC) |
1089 | |
1283 | |
… | |
… | |
1095 | |
1289 | |
1096 | const_eio (FALLOC_FL_KEEP_SIZE) |
1290 | const_eio (FALLOC_FL_KEEP_SIZE) |
1097 | const_eio (FALLOC_FL_PUNCH_HOLE) |
1291 | const_eio (FALLOC_FL_PUNCH_HOLE) |
1098 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
1292 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
1099 | const_eio (FALLOC_FL_ZERO_RANGE) |
1293 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1294 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1295 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1296 | |
|
|
1297 | const_eio (RENAME_NOREPLACE) |
|
|
1298 | const_eio (RENAME_EXCHANGE) |
|
|
1299 | const_eio (RENAME_WHITEOUT) |
1100 | |
1300 | |
1101 | const_eio (READDIR_DENTS) |
1301 | const_eio (READDIR_DENTS) |
1102 | const_eio (READDIR_DIRS_FIRST) |
1302 | const_eio (READDIR_DIRS_FIRST) |
1103 | const_eio (READDIR_STAT_ORDER) |
1303 | const_eio (READDIR_STAT_ORDER) |
1104 | const_eio (READDIR_FOUND_UNKNOWN) |
1304 | const_eio (READDIR_FOUND_UNKNOWN) |
… | |
… | |
1122 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1322 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1123 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1323 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1124 | |
1324 | |
1125 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1325 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1126 | |
1326 | |
|
|
1327 | /* allocate dummy pipe fd for aio_close */ |
|
|
1328 | { |
|
|
1329 | int pipefd [2]; |
|
|
1330 | |
|
|
1331 | if ( |
|
|
1332 | #ifdef _WIN32 |
|
|
1333 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1334 | #else |
|
|
1335 | pipe (pipefd) < 0 |
|
|
1336 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1337 | #endif |
|
|
1338 | || close (pipefd [1]) < 0 |
|
|
1339 | ) |
|
|
1340 | croak ("IO::AIO: unable to create dummy pipe for aio_close"); |
|
|
1341 | |
|
|
1342 | close_fd = pipefd [0]; |
|
|
1343 | } |
|
|
1344 | |
1127 | reinit (); |
1345 | reinit (); |
1128 | } |
1346 | } |
1129 | |
1347 | |
1130 | void |
1348 | void |
1131 | reinit () |
1349 | reinit () |
… | |
… | |
1253 | |
1471 | |
1254 | void |
1472 | void |
1255 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
1473 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
1256 | PPCODE: |
1474 | PPCODE: |
1257 | { |
1475 | { |
1258 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1259 | int fd = s_fileno_croak (fh, 0); |
1476 | int fd = s_fileno_croak (fh, 0); |
1260 | dREQ; |
1477 | dREQ; |
1261 | |
|
|
1262 | if (expect_false (close_fd < 0)) |
|
|
1263 | { |
|
|
1264 | int pipefd [2]; |
|
|
1265 | |
|
|
1266 | if ( |
|
|
1267 | #ifdef _WIN32 |
|
|
1268 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1269 | #else |
|
|
1270 | pipe (pipefd) < 0 |
|
|
1271 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1272 | #endif |
|
|
1273 | || close (pipefd [1]) < 0 |
|
|
1274 | ) |
|
|
1275 | abort (); /*D*/ |
|
|
1276 | |
|
|
1277 | close_fd = pipefd [0]; |
|
|
1278 | } |
|
|
1279 | |
1478 | |
1280 | req->type = EIO_DUP2; |
1479 | req->type = EIO_DUP2; |
1281 | req->int1 = close_fd; |
1480 | req->int1 = close_fd; |
1282 | req->sv2 = newSVsv (fh); |
1481 | req->sv2 = newSVsv (fh); |
1283 | req->int2 = fd; |
1482 | req->int2 = fd; |
… | |
… | |
1459 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1658 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1460 | |
1659 | |
1461 | REQ_SEND; |
1660 | REQ_SEND; |
1462 | } |
1661 | } |
1463 | |
1662 | |
|
|
1663 | void |
|
|
1664 | st_xtime () |
|
|
1665 | ALIAS: |
|
|
1666 | st_atime = 0x01 |
|
|
1667 | st_mtime = 0x02 |
|
|
1668 | st_ctime = 0x04 |
|
|
1669 | st_btime = 0x08 |
|
|
1670 | st_xtime = 0x0f |
|
|
1671 | PPCODE: |
|
|
1672 | EXTEND (SP, 4); |
|
|
1673 | if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); |
|
|
1674 | if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); |
|
|
1675 | if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); |
|
|
1676 | if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC)); |
|
|
1677 | |
|
|
1678 | void |
|
|
1679 | st_xtimensec () |
|
|
1680 | ALIAS: |
|
|
1681 | st_atimensec = 0x01 |
|
|
1682 | st_mtimensec = 0x02 |
|
|
1683 | st_ctimensec = 0x04 |
|
|
1684 | st_btimensec = 0x08 |
|
|
1685 | st_xtimensec = 0x0f |
|
|
1686 | st_btimesec = 0x10 |
|
|
1687 | st_gen = 0x20 |
|
|
1688 | PPCODE: |
|
|
1689 | EXTEND (SP, 4); |
|
|
1690 | if (ix & 0x01) PUSHs (newSViv (ATIMENSEC)); |
|
|
1691 | if (ix & 0x02) PUSHs (newSViv (MTIMENSEC)); |
|
|
1692 | if (ix & 0x04) PUSHs (newSViv (CTIMENSEC)); |
|
|
1693 | if (ix & 0x08) PUSHs (newSViv (BTIMENSEC)); |
|
|
1694 | if (ix & 0x10) PUSHs (newSVuv (BTIMESEC)); |
|
|
1695 | if (ix & 0x20) PUSHs (newSVuv (ST_GEN)); |
|
|
1696 | |
1464 | UV |
1697 | UV |
1465 | major (UV dev) |
1698 | major (UV dev) |
1466 | ALIAS: |
1699 | ALIAS: |
1467 | minor = 1 |
1700 | minor = 1 |
1468 | CODE: |
1701 | CODE: |
… | |
… | |
1591 | |
1824 | |
1592 | REQ_SEND; |
1825 | REQ_SEND; |
1593 | } |
1826 | } |
1594 | |
1827 | |
1595 | void |
1828 | void |
|
|
1829 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
|
|
1830 | PPCODE: |
|
|
1831 | { |
|
|
1832 | eio_wd wd2 = 0; |
|
|
1833 | dREQ; |
|
|
1834 | |
|
|
1835 | req->type = EIO_RENAME; |
|
|
1836 | req_set_path1 (req, oldpath); |
|
|
1837 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1838 | req->int2 = flags; |
|
|
1839 | req->int3 = (long)wd2; |
|
|
1840 | |
|
|
1841 | REQ_SEND; |
|
|
1842 | } |
|
|
1843 | |
|
|
1844 | void |
1596 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1845 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1597 | PPCODE: |
1846 | PPCODE: |
1598 | { |
1847 | { |
1599 | dREQ; |
1848 | dREQ; |
1600 | |
1849 | |
… | |
… | |
1605 | |
1854 | |
1606 | REQ_SEND; |
1855 | REQ_SEND; |
1607 | } |
1856 | } |
1608 | |
1857 | |
1609 | void |
1858 | void |
1610 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) |
1859 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
1611 | ALIAS: |
1860 | ALIAS: |
1612 | aio_mtouch = EIO_MTOUCH |
1861 | aio_mtouch = EIO_MTOUCH |
1613 | aio_msync = EIO_MSYNC |
1862 | aio_msync = EIO_MSYNC |
1614 | PPCODE: |
1863 | PPCODE: |
1615 | { |
1864 | { |
1616 | STRLEN svlen; |
1865 | STRLEN svlen; |
1617 | char *svptr = SvPVbyte (data, svlen); |
1866 | char *svptr = SvPVbyte (data, svlen); |
1618 | UV len = SvUV (length); |
1867 | UV len = SvUV (length); |
|
|
1868 | |
|
|
1869 | if (flags < 0) |
|
|
1870 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
1619 | |
1871 | |
1620 | if (offset < 0) |
1872 | if (offset < 0) |
1621 | offset += svlen; |
1873 | offset += svlen; |
1622 | |
1874 | |
1623 | if (offset < 0 || offset > svlen) |
1875 | if (offset < 0 || offset > svlen) |
… | |
… | |
1699 | req->int2 = flags; |
1951 | req->int2 = flags; |
1700 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
1952 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
1701 | #endif |
1953 | #endif |
1702 | |
1954 | |
1703 | REQ_SEND; |
1955 | REQ_SEND; |
|
|
1956 | } |
|
|
1957 | |
|
|
1958 | void |
|
|
1959 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
1960 | PPCODE: |
|
|
1961 | { |
|
|
1962 | char *svptr = 0; |
|
|
1963 | |
|
|
1964 | sv_clear_foreign (data); |
|
|
1965 | |
|
|
1966 | if (length) /* known length, directly read into scalar */ |
|
|
1967 | { |
|
|
1968 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1969 | svptr = sv_grow (data, length + 1); |
|
|
1970 | else if (SvCUR (data) < length) |
|
|
1971 | croak ("length outside of scalar, and cannot grow"); |
|
|
1972 | else |
|
|
1973 | svptr = SvPVbyte_nolen (data); |
|
|
1974 | } |
|
|
1975 | |
|
|
1976 | { |
|
|
1977 | dREQ; |
|
|
1978 | |
|
|
1979 | req->type = EIO_SLURP; |
|
|
1980 | req_set_path1 (req, pathname); |
|
|
1981 | req->offs = offset; |
|
|
1982 | req->size = length; |
|
|
1983 | req->sv2 = SvREFCNT_inc (data); |
|
|
1984 | req->ptr2 = svptr; |
|
|
1985 | |
|
|
1986 | if (!SvREADONLY (data)) |
|
|
1987 | { |
|
|
1988 | SvREADONLY_on (data); |
|
|
1989 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1990 | } |
|
|
1991 | |
|
|
1992 | REQ_SEND; |
|
|
1993 | } |
1704 | } |
1994 | } |
1705 | |
1995 | |
1706 | void |
1996 | void |
1707 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1997 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1708 | PPCODE: |
1998 | PPCODE: |
… | |
… | |
1845 | RETVAL |
2135 | RETVAL |
1846 | |
2136 | |
1847 | void |
2137 | void |
1848 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
2138 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1849 | PPCODE: |
2139 | PPCODE: |
1850 | sv_unmagic (scalar, MMAP_MAGIC); |
2140 | sv_clear_foreign (scalar); |
1851 | { |
2141 | { |
1852 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
2142 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1853 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
2143 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1854 | if (addr == (void *)-1) |
2144 | if (addr == (void *)-1) |
1855 | XSRETURN_NO; |
2145 | XSRETURN_NO; |
1856 | |
2146 | |
1857 | sv_force_normal (scalar); |
2147 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
1858 | |
|
|
1859 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1860 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1861 | ->mg_obj = (SV *)length; |
|
|
1862 | |
|
|
1863 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1864 | |
2148 | |
1865 | if (!(prot & PROT_WRITE)) |
2149 | if (!(prot & PROT_WRITE)) |
1866 | SvREADONLY_on (scalar); |
2150 | SvREADONLY_on (scalar); |
1867 | |
2151 | |
1868 | if (SvLEN (scalar)) |
|
|
1869 | Safefree (SvPVX (scalar)); |
|
|
1870 | |
|
|
1871 | SvPVX (scalar) = (char *)addr; |
|
|
1872 | SvCUR_set (scalar, length); |
|
|
1873 | SvLEN_set (scalar, 0); |
|
|
1874 | SvPOK_only (scalar); |
|
|
1875 | |
|
|
1876 | XSRETURN_YES; |
2152 | XSRETURN_YES; |
1877 | } |
2153 | } |
1878 | |
2154 | |
1879 | void |
2155 | void |
1880 | munmap (SV *scalar) |
2156 | munmap (SV *scalar) |
1881 | CODE: |
2157 | CODE: |
1882 | sv_unmagic (scalar, MMAP_MAGIC); |
2158 | sv_clear_foreign (scalar); |
|
|
2159 | |
|
|
2160 | SV * |
|
|
2161 | mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0) |
|
|
2162 | CODE: |
|
|
2163 | { |
|
|
2164 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2165 | void *new; |
|
|
2166 | |
|
|
2167 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2168 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2169 | |
|
|
2170 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2171 | |
|
|
2172 | RETVAL = &PL_sv_no; |
|
|
2173 | |
|
|
2174 | if (new != (void *)-1) |
|
|
2175 | { |
|
|
2176 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2177 | ? newSVpvn ("0 but true", 10) |
|
|
2178 | : &PL_sv_yes; |
|
|
2179 | |
|
|
2180 | mg->mg_ptr = (char *)new; |
|
|
2181 | mg->mg_obj = (SV *)new_length; |
|
|
2182 | |
|
|
2183 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2184 | SvCUR_set (scalar, new_length); |
|
|
2185 | } |
|
|
2186 | } |
|
|
2187 | OUTPUT: |
|
|
2188 | RETVAL |
1883 | |
2189 | |
1884 | int |
2190 | int |
1885 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
2191 | madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1886 | ALIAS: |
2192 | ALIAS: |
1887 | mprotect = 1 |
2193 | mprotect = 1 |
1888 | CODE: |
2194 | CODE: |
1889 | { |
2195 | { |
1890 | STRLEN svlen; |
2196 | STRLEN svlen; |
… | |
… | |
1911 | } |
2217 | } |
1912 | OUTPUT: |
2218 | OUTPUT: |
1913 | RETVAL |
2219 | RETVAL |
1914 | |
2220 | |
1915 | int |
2221 | int |
1916 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
2222 | munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef) |
1917 | CODE: |
2223 | CODE: |
1918 | { |
2224 | { |
1919 | STRLEN svlen; |
2225 | STRLEN svlen; |
1920 | void *addr = SvPVbyte (scalar, svlen); |
2226 | void *addr = SvPVbyte (scalar, svlen); |
1921 | size_t len = SvUV (length); |
2227 | size_t len = SvUV (length); |
… | |
… | |
1936 | #else |
2242 | #else |
1937 | RETVAL = EIO_ENOSYS (); |
2243 | RETVAL = EIO_ENOSYS (); |
1938 | #endif |
2244 | #endif |
1939 | } |
2245 | } |
1940 | OUTPUT: |
2246 | OUTPUT: |
|
|
2247 | RETVAL |
|
|
2248 | |
|
|
2249 | int |
|
|
2250 | mlockall (int flags) |
|
|
2251 | PROTOTYPE: $; |
|
|
2252 | CODE: |
|
|
2253 | RETVAL = eio_mlockall_sync (flags); |
|
|
2254 | OUTPUT: |
1941 | RETVAL |
2255 | RETVAL |
1942 | |
2256 | |
1943 | int |
2257 | int |
1944 | munlockall () |
2258 | munlockall () |
1945 | CODE: |
2259 | CODE: |
… | |
… | |
2017 | { |
2331 | { |
2018 | EXTEND (SP, 2); |
2332 | EXTEND (SP, 2); |
2019 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2333 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2020 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2334 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2021 | } |
2335 | } |
|
|
2336 | } |
|
|
2337 | |
|
|
2338 | void |
|
|
2339 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2340 | PPCODE: |
|
|
2341 | { |
|
|
2342 | int fd; |
|
|
2343 | #if HAVE_EVENTFD |
|
|
2344 | fd = eventfd (initval, flags); |
|
|
2345 | #else |
|
|
2346 | fd = (errno = ENOSYS, -1); |
|
|
2347 | #endif |
|
|
2348 | |
|
|
2349 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2350 | } |
|
|
2351 | |
|
|
2352 | void |
|
|
2353 | timerfd_create (int clockid, int flags = 0) |
|
|
2354 | PPCODE: |
|
|
2355 | { |
|
|
2356 | int fd; |
|
|
2357 | #if HAVE_TIMERFD |
|
|
2358 | fd = timerfd_create (clockid, flags); |
|
|
2359 | #else |
|
|
2360 | fd = (errno = ENOSYS, -1); |
|
|
2361 | #endif |
|
|
2362 | |
|
|
2363 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2364 | } |
|
|
2365 | |
|
|
2366 | void |
|
|
2367 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2368 | PPCODE: |
|
|
2369 | { |
|
|
2370 | int fd = s_fileno_croak (fh, 0); |
|
|
2371 | #if HAVE_TIMERFD |
|
|
2372 | int res; |
|
|
2373 | struct itimerspec its, ots; |
|
|
2374 | |
|
|
2375 | ts_set (&its.it_interval, interval); |
|
|
2376 | ts_set (&its.it_value , value); |
|
|
2377 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2378 | |
|
|
2379 | if (!res) |
|
|
2380 | { |
|
|
2381 | EXTEND (SP, 2); |
|
|
2382 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2383 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2384 | } |
|
|
2385 | #else |
|
|
2386 | errno = ENOSYS; |
|
|
2387 | #endif |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | void |
|
|
2391 | timerfd_gettime (SV *fh) |
|
|
2392 | PPCODE: |
|
|
2393 | { |
|
|
2394 | int fd = s_fileno_croak (fh, 0); |
|
|
2395 | #if HAVE_TIMERFD |
|
|
2396 | int res; |
|
|
2397 | struct itimerspec ots; |
|
|
2398 | res = timerfd_gettime (fd, &ots); |
|
|
2399 | |
|
|
2400 | if (!res) |
|
|
2401 | { |
|
|
2402 | EXTEND (SP, 2); |
|
|
2403 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2404 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2405 | } |
|
|
2406 | #else |
|
|
2407 | errno = ENOSYS; |
|
|
2408 | #endif |
|
|
2409 | } |
|
|
2410 | |
|
|
2411 | UV |
|
|
2412 | get_fdlimit () |
|
|
2413 | CODE: |
|
|
2414 | #if HAVE_RLIMITS |
|
|
2415 | struct rlimit rl; |
|
|
2416 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2417 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2418 | #endif |
|
|
2419 | XSRETURN_UNDEF; |
|
|
2420 | OUTPUT: |
|
|
2421 | RETVAL |
|
|
2422 | |
|
|
2423 | void |
|
|
2424 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2425 | CODE: |
|
|
2426 | { |
|
|
2427 | #if HAVE_RLIMITS |
|
|
2428 | struct rlimit rl; |
|
|
2429 | rlim_t orig_rlim_max; |
|
|
2430 | UV bit; |
|
|
2431 | |
|
|
2432 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2433 | goto fail; |
|
|
2434 | |
|
|
2435 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2436 | XSRETURN_YES; |
|
|
2437 | |
|
|
2438 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2439 | |
|
|
2440 | if (rl.rlim_cur < limit) |
|
|
2441 | { |
|
|
2442 | rl.rlim_cur = limit; |
|
|
2443 | |
|
|
2444 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2445 | rl.rlim_max = rl.rlim_cur; |
|
|
2446 | } |
|
|
2447 | |
|
|
2448 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2449 | XSRETURN_YES; |
|
|
2450 | |
|
|
2451 | if (errno == EPERM) |
|
|
2452 | { |
|
|
2453 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2454 | /* our limit overflows a system-wide limit */ |
|
|
2455 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2456 | rl.rlim_max = 0; |
|
|
2457 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2458 | { |
|
|
2459 | rl.rlim_max |= bit; |
|
|
2460 | rl.rlim_cur = rl.rlim_max; |
|
|
2461 | |
|
|
2462 | /* nevr decrease the hard limit */ |
|
|
2463 | if (rl.rlim_max < orig_rlim_max) |
|
|
2464 | break; |
|
|
2465 | |
|
|
2466 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2467 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2468 | } |
|
|
2469 | |
|
|
2470 | /* now, raise the soft limit to the max permitted */ |
|
|
2471 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2472 | { |
|
|
2473 | rl.rlim_cur = rl.rlim_max; |
|
|
2474 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2475 | errno = EPERM; |
|
|
2476 | } |
|
|
2477 | } |
|
|
2478 | #endif |
|
|
2479 | fail: |
|
|
2480 | XSRETURN_UNDEF; |
2022 | } |
2481 | } |
2023 | |
2482 | |
2024 | void _on_next_submit (SV *cb) |
2483 | void _on_next_submit (SV *cb) |
2025 | CODE: |
2484 | CODE: |
2026 | SvREFCNT_dec (on_next_submit); |
2485 | SvREFCNT_dec (on_next_submit); |