1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "autoconf/config.h" |
18 | |
10 | |
19 | #include <pthread.h> |
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20 | |
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21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
14 | #include <sys/time.h> |
24 | #include <sys/select.h> |
15 | #include <sys/select.h> |
25 | #include <sys/types.h> |
16 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
… | |
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51 | /* used for struct dirent, AIX doesn't provide it */ |
42 | /* used for struct dirent, AIX doesn't provide it */ |
52 | #ifndef NAME_MAX |
43 | #ifndef NAME_MAX |
53 | # define NAME_MAX 4096 |
44 | # define NAME_MAX 4096 |
54 | #endif |
45 | #endif |
55 | |
46 | |
56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
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79 | #endif |
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80 | |
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81 | /* buffer size for various temporary buffers */ |
47 | /* buffer size for various temporary buffers */ |
82 | #define AIO_BUFSIZE 65536 |
48 | #define AIO_BUFSIZE 65536 |
83 | |
49 | |
84 | #define dBUF \ |
50 | #define dBUF \ |
85 | char *aio_buf; \ |
51 | char *aio_buf; \ |
… | |
… | |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
53 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | UNLOCK (wrklock); \ |
54 | UNLOCK (wrklock); \ |
89 | if (!aio_buf) \ |
55 | if (!aio_buf) \ |
90 | return -1; |
56 | return -1; |
91 | |
57 | |
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58 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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59 | |
92 | enum { |
60 | enum { |
93 | REQ_QUIT, |
61 | REQ_QUIT, |
94 | REQ_OPEN, REQ_CLOSE, |
62 | REQ_OPEN, REQ_CLOSE, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
63 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
96 | REQ_SENDFILE, |
64 | REQ_SENDFILE, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
65 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
66 | REQ_FSYNC, REQ_FDATASYNC, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
67 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
100 | REQ_MKNOD, REQ_READDIR, |
68 | REQ_MKNOD, REQ_READDIR, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
69 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
102 | REQ_GROUP, REQ_NOP, |
70 | REQ_GROUP, REQ_NOP, |
103 | REQ_BUSY, |
71 | REQ_BUSY, |
104 | }; |
72 | }; |
… | |
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129 | SV *self; /* the perl counterpart of this request, if any */ |
97 | SV *self; /* the perl counterpart of this request, if any */ |
130 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
98 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
131 | } aio_cb; |
99 | } aio_cb; |
132 | |
100 | |
133 | enum { |
101 | enum { |
134 | FLAG_CANCELLED = 0x01, |
102 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
135 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
103 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
136 | FLAG_PTR2_FREE = 0x80, /* need free(ptr2) */ |
104 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
137 | }; |
105 | }; |
138 | |
106 | |
139 | typedef aio_cb *aio_req; |
107 | typedef aio_cb *aio_req; |
140 | typedef aio_cb *aio_req_ornot; |
108 | typedef aio_cb *aio_req_ornot; |
141 | |
109 | |
… | |
… | |
158 | { |
126 | { |
159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
127 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
128 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
161 | } |
129 | } |
162 | |
130 | |
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131 | static thread_t main_tid; |
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132 | static int main_sig; |
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133 | static int block_sig_level; |
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134 | |
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135 | void block_sig () |
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136 | { |
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137 | sigset_t ss; |
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138 | |
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139 | if (block_sig_level++) |
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140 | return; |
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141 | |
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142 | if (!main_sig) |
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143 | return; |
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144 | |
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145 | sigemptyset (&ss); |
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146 | sigaddset (&ss, main_sig); |
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147 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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148 | } |
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149 | |
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150 | void unblock_sig () |
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151 | { |
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152 | sigset_t ss; |
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153 | |
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154 | if (--block_sig_level) |
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155 | return; |
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156 | |
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157 | if (!main_sig) |
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158 | return; |
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159 | |
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160 | sigemptyset (&ss); |
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161 | sigaddset (&ss, main_sig); |
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162 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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163 | } |
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164 | |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
164 | |
166 | |
165 | static unsigned int started, idle, wanted; |
167 | static unsigned int started, idle, wanted; |
166 | |
168 | |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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169 | #else |
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170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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171 | #endif |
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172 | |
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173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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175 | |
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176 | /* worker threads management */ |
169 | /* worker threads management */ |
177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
170 | static mutex_t wrklock = MUTEX_INIT; |
178 | |
171 | |
179 | typedef struct worker { |
172 | typedef struct worker { |
180 | /* locked by wrklock */ |
173 | /* locked by wrklock */ |
181 | struct worker *prev, *next; |
174 | struct worker *prev, *next; |
182 | |
175 | |
183 | pthread_t tid; |
176 | thread_t tid; |
184 | |
177 | |
185 | /* locked by reslock, reqlock or wrklock */ |
178 | /* locked by reslock, reqlock or wrklock */ |
186 | aio_req req; /* currently processed request */ |
179 | aio_req req; /* currently processed request */ |
187 | void *dbuf; |
180 | void *dbuf; |
188 | DIR *dirp; |
181 | DIR *dirp; |
… | |
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216 | static volatile unsigned int nreqs, nready, npending; |
209 | static volatile unsigned int nreqs, nready, npending; |
217 | static volatile unsigned int max_idle = 4; |
210 | static volatile unsigned int max_idle = 4; |
218 | static volatile unsigned int max_outstanding = 0xffffffff; |
211 | static volatile unsigned int max_outstanding = 0xffffffff; |
219 | static int respipe [2]; |
212 | static int respipe [2]; |
220 | |
213 | |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
214 | static mutex_t reslock = MUTEX_INIT; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
215 | static mutex_t reqlock = MUTEX_INIT; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
216 | static cond_t reqwait = COND_INIT; |
224 | |
217 | |
225 | #if WORDACCESS_UNSAFE |
218 | #if WORDACCESS_UNSAFE |
226 | |
219 | |
227 | static unsigned int get_nready () |
220 | static unsigned int get_nready () |
228 | { |
221 | { |
… | |
… | |
318 | |
311 | |
319 | abort (); |
312 | abort (); |
320 | } |
313 | } |
321 | |
314 | |
322 | static int poll_cb (); |
315 | static int poll_cb (); |
323 | static void req_invoke (aio_req req); |
316 | static int req_invoke (aio_req req); |
324 | static void req_free (aio_req req); |
317 | static void req_free (aio_req req); |
325 | static void req_cancel (aio_req req); |
318 | static void req_cancel (aio_req req); |
326 | |
319 | |
327 | /* must be called at most once */ |
320 | /* must be called at most once */ |
328 | static SV *req_sv (aio_req req, const char *klass) |
321 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
341 | return mg ? (aio_req)mg->mg_ptr : 0; |
349 | } |
342 | } |
350 | |
343 | |
351 | static void aio_grp_feed (aio_req grp) |
344 | static void aio_grp_feed (aio_req grp) |
352 | { |
345 | { |
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346 | block_sig (); |
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347 | |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
348 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
354 | { |
349 | { |
355 | int old_len = grp->size; |
350 | int old_len = grp->size; |
356 | |
351 | |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
352 | if (grp->sv2 && SvOK (grp->sv2)) |
… | |
… | |
375 | SvREFCNT_dec (grp->sv2); |
370 | SvREFCNT_dec (grp->sv2); |
376 | grp->sv2 = 0; |
371 | grp->sv2 = 0; |
377 | break; |
372 | break; |
378 | } |
373 | } |
379 | } |
374 | } |
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375 | |
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376 | unblock_sig (); |
380 | } |
377 | } |
381 | |
378 | |
382 | static void aio_grp_dec (aio_req grp) |
379 | static void aio_grp_dec (aio_req grp) |
383 | { |
380 | { |
384 | --grp->size; |
381 | --grp->size; |
… | |
… | |
387 | aio_grp_feed (grp); |
384 | aio_grp_feed (grp); |
388 | |
385 | |
389 | /* finish, if done */ |
386 | /* finish, if done */ |
390 | if (!grp->size && grp->int1) |
387 | if (!grp->size && grp->int1) |
391 | { |
388 | { |
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389 | block_sig (); |
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390 | |
392 | req_invoke (grp); |
391 | if (!req_invoke (grp)) |
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392 | { |
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393 | req_free (grp); |
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394 | unblock_sig (); |
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395 | croak (0); |
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396 | } |
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397 | |
393 | req_free (grp); |
398 | req_free (grp); |
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399 | unblock_sig (); |
394 | } |
400 | } |
395 | } |
401 | } |
396 | |
402 | |
397 | static void req_invoke (aio_req req) |
403 | static int req_invoke (aio_req req) |
398 | { |
404 | { |
399 | dSP; |
405 | dSP; |
400 | |
406 | |
401 | if (req->flags & FLAG_SV1_RO_OFF) |
407 | if (req->flags & FLAG_SV1_RO_OFF) |
402 | SvREADONLY_off (req->sv1); |
408 | SvREADONLY_off (req->sv1); |
… | |
… | |
445 | PUSHs (sv_2mortal (newSViv (req->result))); |
451 | PUSHs (sv_2mortal (newSViv (req->result))); |
446 | PUTBACK; |
452 | PUTBACK; |
447 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
453 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
448 | SPAGAIN; |
454 | SPAGAIN; |
449 | |
455 | |
450 | fh = SvREFCNT_inc (POPs); |
456 | fh = POPs; |
451 | |
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452 | PUSHMARK (SP); |
457 | PUSHMARK (SP); |
453 | XPUSHs (sv_2mortal (fh)); |
458 | XPUSHs (fh); |
454 | } |
459 | } |
455 | break; |
460 | break; |
456 | |
461 | |
457 | case REQ_GROUP: |
462 | case REQ_GROUP: |
458 | req->int1 = 2; /* mark group as finished */ |
463 | req->int1 = 2; /* mark group as finished */ |
… | |
… | |
523 | grp->grp_first = req->grp_next; |
528 | grp->grp_first = req->grp_next; |
524 | |
529 | |
525 | aio_grp_dec (grp); |
530 | aio_grp_dec (grp); |
526 | } |
531 | } |
527 | |
532 | |
528 | if (SvTRUE (ERRSV)) |
533 | return !SvTRUE (ERRSV); |
529 | { |
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530 | req_free (req); |
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531 | croak (0); |
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532 | } |
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533 | } |
534 | } |
534 | |
535 | |
535 | static void req_free (aio_req req) |
536 | static void req_free (aio_req req) |
536 | { |
537 | { |
537 | if (req->self) |
538 | if (req->self) |
… | |
… | |
574 | |
575 | |
575 | static void *aio_proc(void *arg); |
576 | static void *aio_proc(void *arg); |
576 | |
577 | |
577 | static void start_thread (void) |
578 | static void start_thread (void) |
578 | { |
579 | { |
579 | sigset_t fullsigset, oldsigset; |
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580 | pthread_attr_t attr; |
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581 | |
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582 | worker *wrk = calloc (1, sizeof (worker)); |
580 | worker *wrk = calloc (1, sizeof (worker)); |
583 | |
581 | |
584 | if (!wrk) |
582 | if (!wrk) |
585 | croak ("unable to allocate worker thread data"); |
583 | croak ("unable to allocate worker thread data"); |
586 | |
584 | |
587 | pthread_attr_init (&attr); |
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588 | pthread_attr_setstacksize (&attr, STACKSIZE); |
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589 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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590 | #ifdef PTHREAD_SCOPE_PROCESS |
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591 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
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592 | #endif |
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593 | |
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594 | sigfillset (&fullsigset); |
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595 | |
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596 | LOCK (wrklock); |
585 | LOCK (wrklock); |
597 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
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598 | |
586 | |
599 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
587 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
600 | { |
588 | { |
601 | wrk->prev = &wrk_first; |
589 | wrk->prev = &wrk_first; |
602 | wrk->next = wrk_first.next; |
590 | wrk->next = wrk_first.next; |
603 | wrk_first.next->prev = wrk; |
591 | wrk_first.next->prev = wrk; |
604 | wrk_first.next = wrk; |
592 | wrk_first.next = wrk; |
605 | ++started; |
593 | ++started; |
606 | } |
594 | } |
607 | else |
595 | else |
608 | free (wrk); |
596 | free (wrk); |
609 | |
597 | |
610 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
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611 | UNLOCK (wrklock); |
598 | UNLOCK (wrklock); |
612 | } |
599 | } |
613 | |
600 | |
614 | static void maybe_start_thread () |
601 | static void maybe_start_thread () |
615 | { |
602 | { |
… | |
… | |
623 | start_thread (); |
610 | start_thread (); |
624 | } |
611 | } |
625 | |
612 | |
626 | static void req_send (aio_req req) |
613 | static void req_send (aio_req req) |
627 | { |
614 | { |
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615 | block_sig (); |
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616 | |
628 | ++nreqs; |
617 | ++nreqs; |
629 | |
618 | |
630 | LOCK (reqlock); |
619 | LOCK (reqlock); |
631 | ++nready; |
620 | ++nready; |
632 | reqq_push (&req_queue, req); |
621 | reqq_push (&req_queue, req); |
633 | pthread_cond_signal (&reqwait); |
622 | COND_SIGNAL (reqwait); |
634 | UNLOCK (reqlock); |
623 | UNLOCK (reqlock); |
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624 | |
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625 | unblock_sig (); |
635 | |
626 | |
636 | maybe_start_thread (); |
627 | maybe_start_thread (); |
637 | } |
628 | } |
638 | |
629 | |
639 | static void end_thread (void) |
630 | static void end_thread (void) |
… | |
… | |
645 | req->type = REQ_QUIT; |
636 | req->type = REQ_QUIT; |
646 | req->pri = PRI_MAX + PRI_BIAS; |
637 | req->pri = PRI_MAX + PRI_BIAS; |
647 | |
638 | |
648 | LOCK (reqlock); |
639 | LOCK (reqlock); |
649 | reqq_push (&req_queue, req); |
640 | reqq_push (&req_queue, req); |
650 | pthread_cond_signal (&reqwait); |
641 | COND_SIGNAL (reqwait); |
651 | UNLOCK (reqlock); |
642 | UNLOCK (reqlock); |
652 | |
643 | |
653 | LOCK (wrklock); |
644 | LOCK (wrklock); |
654 | --started; |
645 | --started; |
655 | UNLOCK (wrklock); |
646 | UNLOCK (wrklock); |
… | |
… | |
710 | aio_req req; |
701 | aio_req req; |
711 | |
702 | |
712 | if (max_poll_time) |
703 | if (max_poll_time) |
713 | gettimeofday (&tv_start, 0); |
704 | gettimeofday (&tv_start, 0); |
714 | |
705 | |
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706 | block_sig (); |
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707 | |
715 | for (;;) |
708 | for (;;) |
716 | { |
709 | { |
717 | for (;;) |
710 | for (;;) |
718 | { |
711 | { |
719 | maybe_start_thread (); |
712 | maybe_start_thread (); |
… | |
… | |
726 | --npending; |
719 | --npending; |
727 | |
720 | |
728 | if (!res_queue.size) |
721 | if (!res_queue.size) |
729 | { |
722 | { |
730 | /* read any signals sent by the worker threads */ |
723 | /* read any signals sent by the worker threads */ |
731 | char buf [32]; |
724 | char buf [4]; |
732 | while (read (respipe [0], buf, 32) == 32) |
725 | while (read (respipe [0], buf, 4) == 4) |
733 | ; |
726 | ; |
734 | } |
727 | } |
735 | } |
728 | } |
736 | |
729 | |
737 | UNLOCK (reslock); |
730 | UNLOCK (reslock); |
… | |
… | |
746 | req->int1 = 1; /* mark request as delayed */ |
739 | req->int1 = 1; /* mark request as delayed */ |
747 | continue; |
740 | continue; |
748 | } |
741 | } |
749 | else |
742 | else |
750 | { |
743 | { |
751 | req_invoke (req); |
744 | if (!req_invoke (req)) |
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745 | { |
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746 | req_free (req); |
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747 | unblock_sig (); |
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748 | croak (0); |
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749 | } |
752 | |
750 | |
753 | count++; |
751 | count++; |
754 | } |
752 | } |
755 | |
753 | |
756 | req_free (req); |
754 | req_free (req); |
… | |
… | |
773 | poll_wait (); |
771 | poll_wait (); |
774 | |
772 | |
775 | ++maxreqs; |
773 | ++maxreqs; |
776 | } |
774 | } |
777 | |
775 | |
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|
776 | unblock_sig (); |
778 | return count; |
777 | return count; |
779 | } |
778 | } |
780 | |
779 | |
781 | static void create_pipe () |
780 | static void create_pipe () |
782 | { |
781 | { |
… | |
… | |
800 | /* |
799 | /* |
801 | * make our pread/pwrite safe against themselves, but not against |
800 | * make our pread/pwrite safe against themselves, but not against |
802 | * normal read/write by using a mutex. slows down execution a lot, |
801 | * normal read/write by using a mutex. slows down execution a lot, |
803 | * but that's your problem, not mine. |
802 | * but that's your problem, not mine. |
804 | */ |
803 | */ |
805 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
804 | static mutex_t preadwritelock = MUTEX_INIT; |
806 | |
805 | |
807 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
806 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
808 | { |
807 | { |
809 | ssize_t res; |
808 | ssize_t res; |
810 | off_t ooffset; |
809 | off_t ooffset; |
… | |
… | |
861 | #endif |
860 | #endif |
862 | |
861 | |
863 | #if !HAVE_READDIR_R |
862 | #if !HAVE_READDIR_R |
864 | # define readdir_r aio_readdir_r |
863 | # define readdir_r aio_readdir_r |
865 | |
864 | |
866 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
865 | static mutex_t readdirlock = MUTEX_INIT; |
867 | |
866 | |
868 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
867 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
869 | { |
868 | { |
870 | struct dirent *e; |
869 | struct dirent *e; |
871 | int errorno; |
870 | int errorno; |
… | |
… | |
1070 | if (req) |
1069 | if (req) |
1071 | break; |
1070 | break; |
1072 | |
1071 | |
1073 | ++idle; |
1072 | ++idle; |
1074 | |
1073 | |
1075 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
1074 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
1076 | == ETIMEDOUT) |
1075 | == ETIMEDOUT) |
1077 | { |
1076 | { |
1078 | if (idle > max_idle) |
1077 | if (idle > max_idle) |
1079 | { |
1078 | { |
1080 | --idle; |
1079 | --idle; |
… | |
… | |
1084 | UNLOCK (wrklock); |
1083 | UNLOCK (wrklock); |
1085 | goto quit; |
1084 | goto quit; |
1086 | } |
1085 | } |
1087 | |
1086 | |
1088 | /* we are allowed to idle, so do so without any timeout */ |
1087 | /* we are allowed to idle, so do so without any timeout */ |
1089 | pthread_cond_wait (&reqwait, &reqlock); |
1088 | COND_WAIT (reqwait, reqlock); |
1090 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1089 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1091 | } |
1090 | } |
1092 | |
1091 | |
1093 | --idle; |
1092 | --idle; |
1094 | } |
1093 | } |
… | |
… | |
1114 | |
1113 | |
1115 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1114 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1116 | case REQ_CLOSE: req->result = close (req->int1); break; |
1115 | case REQ_CLOSE: req->result = close (req->int1); break; |
1117 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1116 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1118 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1117 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1118 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1121 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1121 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1122 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1122 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1123 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1123 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
… | |
… | |
1153 | LOCK (reslock); |
1153 | LOCK (reslock); |
1154 | |
1154 | |
1155 | ++npending; |
1155 | ++npending; |
1156 | |
1156 | |
1157 | if (!reqq_push (&res_queue, req)) |
1157 | if (!reqq_push (&res_queue, req)) |
|
|
1158 | { |
1158 | /* write a dummy byte to the pipe so fh becomes ready */ |
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
1159 | write (respipe [1], &respipe, 1); |
1160 | write (respipe [1], &respipe, 1); |
|
|
1161 | |
|
|
1162 | /* optionally signal the main thread asynchronously */ |
|
|
1163 | if (main_sig) |
|
|
1164 | pthread_kill (main_tid, main_sig); |
|
|
1165 | } |
1160 | |
1166 | |
1161 | self->req = 0; |
1167 | self->req = 0; |
1162 | worker_clear (self); |
1168 | worker_clear (self); |
1163 | |
1169 | |
1164 | UNLOCK (reslock); |
1170 | UNLOCK (reslock); |
… | |
… | |
1267 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1273 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1268 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1274 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1269 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1275 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1270 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1276 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1271 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1277 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1278 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1272 | |
1279 | |
1273 | create_pipe (); |
1280 | create_pipe (); |
1274 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1281 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1275 | } |
1282 | } |
1276 | |
1283 | |
1277 | void |
1284 | void |
1278 | max_poll_reqs (int nreqs) |
1285 | max_poll_reqs (int nreqs) |
1279 | PROTOTYPE: $ |
1286 | PROTOTYPE: $ |
… | |
… | |
1309 | OUTPUT: |
1316 | OUTPUT: |
1310 | RETVAL |
1317 | RETVAL |
1311 | |
1318 | |
1312 | void |
1319 | void |
1313 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1320 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1314 | SV * pathname |
1321 | SV8 * pathname |
1315 | int flags |
1322 | int flags |
1316 | int mode |
1323 | int mode |
1317 | SV * callback |
1324 | SV * callback |
1318 | PROTOTYPE: $$$;$ |
1325 | PROTOTYPE: $$$;$ |
1319 | PPCODE: |
1326 | PPCODE: |
1320 | { |
1327 | { |
1321 | dREQ; |
1328 | dREQ; |
1322 | |
1329 | |
1323 | req->type = REQ_OPEN; |
1330 | req->type = REQ_OPEN; |
1324 | req->sv1 = newSVsv (pathname); |
1331 | req->sv1 = newSVsv (pathname); |
1325 | req->ptr1 = SvPVbyte_nolen (pathname); |
1332 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1326 | req->int1 = flags; |
1333 | req->int1 = flags; |
1327 | req->mode = mode; |
1334 | req->mode = mode; |
1328 | |
1335 | |
1329 | REQ_SEND; |
1336 | REQ_SEND; |
1330 | } |
1337 | } |
… | |
… | |
1352 | void |
1359 | void |
1353 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1360 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1354 | SV * fh |
1361 | SV * fh |
1355 | UV offset |
1362 | UV offset |
1356 | UV length |
1363 | UV length |
1357 | SV * data |
1364 | SV8 * data |
1358 | UV dataoffset |
1365 | UV dataoffset |
1359 | SV * callback |
1366 | SV * callback |
1360 | ALIAS: |
1367 | ALIAS: |
1361 | aio_read = REQ_READ |
1368 | aio_read = REQ_READ |
1362 | aio_write = REQ_WRITE |
1369 | aio_write = REQ_WRITE |
… | |
… | |
1382 | length = svlen - dataoffset; |
1389 | length = svlen - dataoffset; |
1383 | } |
1390 | } |
1384 | else |
1391 | else |
1385 | { |
1392 | { |
1386 | /* read: grow scalar as necessary */ |
1393 | /* read: grow scalar as necessary */ |
1387 | svptr = SvGROW (data, length + dataoffset); |
1394 | svptr = SvGROW (data, length + dataoffset + 1); |
1388 | } |
1395 | } |
1389 | |
1396 | |
1390 | if (length < 0) |
1397 | if (length < 0) |
1391 | croak ("length must not be negative"); |
1398 | croak ("length must not be negative"); |
1392 | |
1399 | |
… | |
… | |
1413 | } |
1420 | } |
1414 | } |
1421 | } |
1415 | |
1422 | |
1416 | void |
1423 | void |
1417 | aio_readlink (path,callback=&PL_sv_undef) |
1424 | aio_readlink (path,callback=&PL_sv_undef) |
1418 | SV * path |
1425 | SV8 * path |
1419 | SV * callback |
1426 | SV * callback |
1420 | PROTOTYPE: $$;$ |
1427 | PROTOTYPE: $$;$ |
1421 | PPCODE: |
1428 | PPCODE: |
1422 | { |
1429 | { |
1423 | SV *data; |
1430 | SV *data; |
… | |
… | |
1426 | data = newSV (NAME_MAX); |
1433 | data = newSV (NAME_MAX); |
1427 | SvPOK_on (data); |
1434 | SvPOK_on (data); |
1428 | |
1435 | |
1429 | req->type = REQ_READLINK; |
1436 | req->type = REQ_READLINK; |
1430 | req->fh = newSVsv (path); |
1437 | req->fh = newSVsv (path); |
1431 | req->ptr2 = SvPVbyte_nolen (path); |
1438 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1432 | req->sv1 = data; |
1439 | req->sv1 = data; |
1433 | req->ptr1 = SvPVbyte_nolen (data); |
1440 | req->ptr1 = SvPVbyte_nolen (data); |
1434 | |
1441 | |
1435 | REQ_SEND; |
1442 | REQ_SEND; |
1436 | } |
1443 | } |
… | |
… | |
1478 | REQ_SEND; |
1485 | REQ_SEND; |
1479 | } |
1486 | } |
1480 | |
1487 | |
1481 | void |
1488 | void |
1482 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1489 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1483 | SV * fh_or_path |
1490 | SV8 * fh_or_path |
1484 | SV * callback |
1491 | SV * callback |
1485 | ALIAS: |
1492 | ALIAS: |
1486 | aio_stat = REQ_STAT |
1493 | aio_stat = REQ_STAT |
1487 | aio_lstat = REQ_LSTAT |
1494 | aio_lstat = REQ_LSTAT |
1488 | PPCODE: |
1495 | PPCODE: |
… | |
… | |
1500 | |
1507 | |
1501 | if (SvPOK (fh_or_path)) |
1508 | if (SvPOK (fh_or_path)) |
1502 | { |
1509 | { |
1503 | req->type = ix; |
1510 | req->type = ix; |
1504 | req->sv1 = newSVsv (fh_or_path); |
1511 | req->sv1 = newSVsv (fh_or_path); |
1505 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1512 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1506 | } |
1513 | } |
1507 | else |
1514 | else |
1508 | { |
1515 | { |
1509 | req->type = REQ_FSTAT; |
1516 | req->type = REQ_FSTAT; |
1510 | req->fh = newSVsv (fh_or_path); |
1517 | req->fh = newSVsv (fh_or_path); |
… | |
… | |
1514 | REQ_SEND; |
1521 | REQ_SEND; |
1515 | } |
1522 | } |
1516 | |
1523 | |
1517 | void |
1524 | void |
1518 | aio_unlink (pathname,callback=&PL_sv_undef) |
1525 | aio_unlink (pathname,callback=&PL_sv_undef) |
1519 | SV * pathname |
1526 | SV8 * pathname |
1520 | SV * callback |
1527 | SV * callback |
1521 | ALIAS: |
1528 | ALIAS: |
1522 | aio_unlink = REQ_UNLINK |
1529 | aio_unlink = REQ_UNLINK |
1523 | aio_rmdir = REQ_RMDIR |
1530 | aio_rmdir = REQ_RMDIR |
1524 | aio_readdir = REQ_READDIR |
1531 | aio_readdir = REQ_READDIR |
… | |
… | |
1526 | { |
1533 | { |
1527 | dREQ; |
1534 | dREQ; |
1528 | |
1535 | |
1529 | req->type = ix; |
1536 | req->type = ix; |
1530 | req->sv1 = newSVsv (pathname); |
1537 | req->sv1 = newSVsv (pathname); |
1531 | req->ptr1 = SvPVbyte_nolen (pathname); |
1538 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1532 | |
1539 | |
1533 | REQ_SEND; |
1540 | REQ_SEND; |
1534 | } |
1541 | } |
1535 | |
1542 | |
1536 | void |
1543 | void |
|
|
1544 | aio_mkdir (pathname,mode,callback=&PL_sv_undef) |
|
|
1545 | SV8 * pathname |
|
|
1546 | UV mode |
|
|
1547 | SV * callback |
|
|
1548 | PPCODE: |
|
|
1549 | { |
|
|
1550 | dREQ; |
|
|
1551 | |
|
|
1552 | req->type = REQ_MKDIR; |
|
|
1553 | req->sv1 = newSVsv (pathname); |
|
|
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1555 | req->mode = mode; |
|
|
1556 | |
|
|
1557 | REQ_SEND; |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | void |
1537 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1561 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1538 | SV * oldpath |
1562 | SV8 * oldpath |
1539 | SV * newpath |
1563 | SV8 * newpath |
1540 | SV * callback |
1564 | SV * callback |
1541 | ALIAS: |
1565 | ALIAS: |
1542 | aio_link = REQ_LINK |
1566 | aio_link = REQ_LINK |
1543 | aio_symlink = REQ_SYMLINK |
1567 | aio_symlink = REQ_SYMLINK |
1544 | aio_rename = REQ_RENAME |
1568 | aio_rename = REQ_RENAME |
… | |
… | |
1548 | |
1572 | |
1549 | req->type = ix; |
1573 | req->type = ix; |
1550 | req->fh = newSVsv (oldpath); |
1574 | req->fh = newSVsv (oldpath); |
1551 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1575 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1552 | req->sv1 = newSVsv (newpath); |
1576 | req->sv1 = newSVsv (newpath); |
1553 | req->ptr1 = SvPVbyte_nolen (newpath); |
1577 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1554 | |
1578 | |
1555 | REQ_SEND; |
1579 | REQ_SEND; |
1556 | } |
1580 | } |
1557 | |
1581 | |
1558 | void |
1582 | void |
1559 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1583 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1560 | SV * pathname |
1584 | SV8 * pathname |
1561 | SV * callback |
|
|
1562 | UV mode |
1585 | UV mode |
1563 | UV dev |
1586 | UV dev |
|
|
1587 | SV * callback |
1564 | PPCODE: |
1588 | PPCODE: |
1565 | { |
1589 | { |
1566 | dREQ; |
1590 | dREQ; |
1567 | |
1591 | |
1568 | req->type = REQ_MKNOD; |
1592 | req->type = REQ_MKNOD; |
1569 | req->sv1 = newSVsv (pathname); |
1593 | req->sv1 = newSVsv (pathname); |
1570 | req->ptr1 = SvPVbyte_nolen (pathname); |
1594 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1571 | req->mode = (mode_t)mode; |
1595 | req->mode = (mode_t)mode; |
1572 | req->offs = dev; |
1596 | req->offs = dev; |
1573 | |
1597 | |
1574 | REQ_SEND; |
1598 | REQ_SEND; |
1575 | } |
1599 | } |
… | |
… | |
1642 | PROTOTYPE: |
1666 | PROTOTYPE: |
1643 | CODE: |
1667 | CODE: |
1644 | while (nreqs) |
1668 | while (nreqs) |
1645 | { |
1669 | { |
1646 | poll_wait (); |
1670 | poll_wait (); |
1647 | poll_cb (0); |
1671 | poll_cb (); |
1648 | } |
1672 | } |
1649 | |
1673 | |
1650 | void |
1674 | int |
1651 | poll() |
1675 | poll() |
1652 | PROTOTYPE: |
1676 | PROTOTYPE: |
1653 | CODE: |
1677 | CODE: |
1654 | if (nreqs) |
|
|
1655 | { |
|
|
1656 | poll_wait (); |
1678 | poll_wait (); |
1657 | poll_cb (0); |
1679 | RETVAL = poll_cb (); |
1658 | } |
1680 | OUTPUT: |
|
|
1681 | RETVAL |
1659 | |
1682 | |
1660 | int |
1683 | int |
1661 | poll_fileno() |
1684 | poll_fileno() |
1662 | PROTOTYPE: |
1685 | PROTOTYPE: |
1663 | CODE: |
1686 | CODE: |
… | |
… | |
1675 | |
1698 | |
1676 | void |
1699 | void |
1677 | poll_wait() |
1700 | poll_wait() |
1678 | PROTOTYPE: |
1701 | PROTOTYPE: |
1679 | CODE: |
1702 | CODE: |
1680 | if (nreqs) |
|
|
1681 | poll_wait (); |
1703 | poll_wait (); |
|
|
1704 | |
|
|
1705 | void |
|
|
1706 | setsig (int signum = SIGIO) |
|
|
1707 | PROTOTYPE: ;$ |
|
|
1708 | CODE: |
|
|
1709 | { |
|
|
1710 | if (block_sig_level) |
|
|
1711 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1712 | |
|
|
1713 | LOCK (reslock); |
|
|
1714 | main_tid = pthread_self (); |
|
|
1715 | main_sig = signum; |
|
|
1716 | UNLOCK (reslock); |
|
|
1717 | |
|
|
1718 | if (main_sig && npending) |
|
|
1719 | pthread_kill (main_tid, main_sig); |
|
|
1720 | } |
|
|
1721 | |
|
|
1722 | void |
|
|
1723 | aio_block (SV *cb) |
|
|
1724 | PROTOTYPE: & |
|
|
1725 | PPCODE: |
|
|
1726 | { |
|
|
1727 | int count; |
|
|
1728 | |
|
|
1729 | block_sig (); |
|
|
1730 | PUSHMARK (SP); |
|
|
1731 | PUTBACK; |
|
|
1732 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1733 | SPAGAIN; |
|
|
1734 | unblock_sig (); |
|
|
1735 | |
|
|
1736 | if (SvTRUE (ERRSV)) |
|
|
1737 | croak (0); |
|
|
1738 | |
|
|
1739 | XSRETURN (count); |
|
|
1740 | } |
1682 | |
1741 | |
1683 | int |
1742 | int |
1684 | nreqs() |
1743 | nreqs() |
1685 | PROTOTYPE: |
1744 | PROTOTYPE: |
1686 | CODE: |
1745 | CODE: |
… | |
… | |
1736 | PPCODE: |
1795 | PPCODE: |
1737 | { |
1796 | { |
1738 | int i; |
1797 | int i; |
1739 | aio_req req; |
1798 | aio_req req; |
1740 | |
1799 | |
|
|
1800 | if (main_sig && !block_sig_level) |
|
|
1801 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1802 | |
1741 | if (grp->int1 == 2) |
1803 | if (grp->int1 == 2) |
1742 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1804 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1743 | |
1805 | |
1744 | for (i = 1; i < items; ++i ) |
1806 | for (i = 1; i < items; ++i ) |
1745 | { |
1807 | { |