1 | #define PERL_NO_GET_CONTEXT |
1 | #define _XOPEN_SOURCE 500 |
2 | |
2 | |
3 | #include "EXTERN.h" |
3 | #include "EXTERN.h" |
4 | #include "perl.h" |
4 | #include "perl.h" |
5 | #include "XSUB.h" |
5 | #include "XSUB.h" |
6 | |
6 | |
7 | #include <sys/types.h> |
7 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
8 | #include <sys/stat.h> |
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9 | |
9 | #include <unistd.h> |
10 | #include <unistd.h> |
10 | #include <fcntl.h> |
11 | #include <fcntl.h> |
11 | #include <signal.h> |
12 | #include <signal.h> |
12 | #include <sched.h> |
13 | #include <sched.h> |
13 | #include <endian.h> |
14 | #if __linux |
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15 | #include <sys/syscall.h> |
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16 | #endif |
14 | |
17 | |
15 | #include <pthread.h> |
18 | #include <pthread.h> |
16 | #include <sys/syscall.h> |
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17 | |
19 | |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | |
23 | |
… | |
… | |
42 | off_t offset; |
44 | off_t offset; |
43 | size_t length; |
45 | size_t length; |
44 | ssize_t result; |
46 | ssize_t result; |
45 | mode_t mode; /* open */ |
47 | mode_t mode; /* open */ |
46 | int errorno; |
48 | int errorno; |
47 | SV *data, *callback; |
49 | SV *data, *callback, *fh; |
48 | void *dataptr; |
50 | void *dataptr; |
49 | STRLEN dataoffset; |
51 | STRLEN dataoffset; |
50 | |
52 | |
51 | Stat_t *statdata; |
53 | Stat_t *statdata; |
52 | } aio_cb; |
54 | } aio_cb; |
53 | |
55 | |
54 | typedef aio_cb *aio_req; |
56 | typedef aio_cb *aio_req; |
55 | |
57 | |
56 | static int started; |
58 | static int started; |
57 | static int nreqs; |
59 | static volatile int nreqs; |
58 | static int max_outstanding = 1<<30; |
60 | static int max_outstanding = 1<<30; |
59 | static int respipe [2]; |
61 | static int respipe [2]; |
60 | |
62 | |
61 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
63 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
62 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
64 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
… | |
… | |
66 | static volatile aio_req ress, rese; /* queue start, queue end */ |
68 | static volatile aio_req ress, rese; /* queue start, queue end */ |
67 | |
69 | |
68 | static void |
70 | static void |
69 | poll_wait () |
71 | poll_wait () |
70 | { |
72 | { |
71 | if (!nreqs) |
73 | if (nreqs && !ress) |
72 | return; |
74 | { |
73 | |
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74 | fd_set rfd; |
75 | fd_set rfd; |
75 | FD_ZERO(&rfd); |
76 | FD_ZERO(&rfd); |
76 | FD_SET(respipe [0], &rfd); |
77 | FD_SET(respipe [0], &rfd); |
77 | |
78 | |
78 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
79 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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80 | } |
79 | } |
81 | } |
80 | |
82 | |
81 | static int |
83 | static int |
82 | poll_cb (pTHX) |
84 | poll_cb () |
83 | { |
85 | { |
84 | dSP; |
86 | dSP; |
85 | int count = 0; |
87 | int count = 0; |
86 | aio_req req; |
88 | aio_req req, prv; |
87 | |
89 | |
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90 | pthread_mutex_lock (&reslock); |
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91 | |
88 | { |
92 | { |
89 | /* read and signals sent by the worker threads */ |
93 | /* read any signals sent by the worker threads */ |
90 | char buf [32]; |
94 | char buf [32]; |
91 | while (read (respipe [0], buf, 32) > 0) |
95 | while (read (respipe [0], buf, 32) > 0) |
92 | ; |
96 | ; |
93 | } |
97 | } |
94 | |
98 | |
95 | for (;;) |
99 | req = ress; |
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100 | ress = rese = 0; |
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101 | |
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102 | pthread_mutex_unlock (&reslock); |
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103 | |
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104 | while (req) |
96 | { |
105 | { |
97 | pthread_mutex_lock (&reslock); |
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98 | |
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99 | req = ress; |
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100 | |
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101 | if (ress) |
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102 | { |
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103 | ress = ress->next; |
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104 | if (!ress) rese = 0; |
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105 | } |
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106 | |
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107 | pthread_mutex_unlock (&reslock); |
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108 | |
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109 | if (!req) |
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110 | break; |
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111 | |
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112 | nreqs--; |
106 | nreqs--; |
113 | |
107 | |
114 | if (req->type == REQ_QUIT) |
108 | if (req->type == REQ_QUIT) |
115 | started--; |
109 | started--; |
116 | else |
110 | else |
… | |
… | |
123 | + req->result > 0 ? req->result : 0); |
117 | + req->result > 0 ? req->result : 0); |
124 | |
118 | |
125 | if (req->data) |
119 | if (req->data) |
126 | SvREFCNT_dec (req->data); |
120 | SvREFCNT_dec (req->data); |
127 | |
121 | |
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122 | if (req->fh) |
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123 | SvREFCNT_dec (req->fh); |
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124 | |
128 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
125 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
129 | { |
126 | { |
130 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
127 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
131 | PL_laststatval = req->result; |
128 | PL_laststatval = req->result; |
132 | PL_statcache = *(req->statdata); |
129 | PL_statcache = *(req->statdata); |
133 | |
130 | |
134 | Safefree (req->statdata); |
131 | Safefree (req->statdata); |
135 | } |
132 | } |
136 | |
133 | |
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134 | ENTER; |
137 | PUSHMARK (SP); |
135 | PUSHMARK (SP); |
138 | XPUSHs (sv_2mortal (newSViv (req->result))); |
136 | XPUSHs (sv_2mortal (newSViv (req->result))); |
139 | |
137 | |
140 | if (req->type == REQ_OPEN) |
138 | if (req->type == REQ_OPEN) |
141 | { |
139 | { |
… | |
… | |
144 | |
142 | |
145 | PUTBACK; |
143 | PUTBACK; |
146 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
144 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
147 | SPAGAIN; |
145 | SPAGAIN; |
148 | |
146 | |
149 | fh = POPs; |
147 | fh = SvREFCNT_inc (POPs); |
150 | |
148 | |
151 | PUSHMARK (SP); |
149 | PUSHMARK (SP); |
152 | XPUSHs (fh); |
150 | XPUSHs (sv_2mortal (fh)); |
153 | } |
151 | } |
154 | |
152 | |
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153 | if (SvOK (req->callback)) |
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154 | { |
155 | PUTBACK; |
155 | PUTBACK; |
156 | call_sv (req->callback, G_VOID | G_EVAL); |
156 | call_sv (req->callback, G_VOID | G_EVAL); |
157 | SPAGAIN; |
157 | SPAGAIN; |
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158 | } |
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159 | |
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160 | LEAVE; |
158 | |
161 | |
159 | if (req->callback) |
162 | if (req->callback) |
160 | SvREFCNT_dec (req->callback); |
163 | SvREFCNT_dec (req->callback); |
161 | |
164 | |
162 | errno = errorno; |
165 | errno = errorno; |
163 | count++; |
166 | count++; |
164 | } |
167 | } |
165 | |
168 | |
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169 | prv = req; |
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170 | req = req->next; |
166 | Safefree (req); |
171 | Safefree (prv); |
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172 | |
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173 | /* TODO: croak on errors? */ |
167 | } |
174 | } |
168 | |
175 | |
169 | return count; |
176 | return count; |
170 | } |
177 | } |
171 | |
178 | |
… | |
… | |
226 | req->type = REQ_QUIT; |
233 | req->type = REQ_QUIT; |
227 | |
234 | |
228 | send_req (req); |
235 | send_req (req); |
229 | } |
236 | } |
230 | |
237 | |
231 | static void |
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232 | read_write (pTHX_ |
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233 | int dowrite, int fd, off_t offset, size_t length, |
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234 | SV *data, STRLEN dataoffset, SV *callback) |
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235 | { |
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236 | aio_req req; |
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237 | STRLEN svlen; |
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238 | char *svptr = SvPV (data, svlen); |
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239 | |
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240 | SvUPGRADE (data, SVt_PV); |
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241 | SvPOK_on (data); |
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242 | |
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243 | if (dataoffset < 0) |
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244 | dataoffset += svlen; |
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245 | |
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246 | if (dataoffset < 0 || dataoffset > svlen) |
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247 | croak ("data offset outside of string"); |
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248 | |
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249 | if (dowrite) |
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250 | { |
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251 | /* write: check length and adjust. */ |
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252 | if (length < 0 || length + dataoffset > svlen) |
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253 | length = svlen - dataoffset; |
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254 | } |
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255 | else |
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256 | { |
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257 | /* read: grow scalar as necessary */ |
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258 | svptr = SvGROW (data, length + dataoffset); |
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259 | } |
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260 | |
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261 | if (length < 0) |
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262 | croak ("length must not be negative"); |
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263 | |
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264 | Newz (0, req, 1, aio_cb); |
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265 | |
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266 | if (!req) |
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267 | croak ("out of memory during aio_req allocation"); |
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268 | |
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269 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
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270 | req->fd = fd; |
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271 | req->offset = offset; |
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272 | req->length = length; |
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273 | req->data = SvREFCNT_inc (data); |
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274 | req->dataptr = (char *)svptr + dataoffset; |
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275 | req->callback = SvREFCNT_inc (callback); |
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276 | |
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277 | send_req (req); |
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278 | } |
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279 | |
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280 | static void * |
238 | static void * |
281 | aio_proc (void *thr_arg) |
239 | aio_proc (void *thr_arg) |
282 | { |
240 | { |
283 | aio_req req; |
241 | aio_req req; |
284 | int type; |
242 | int type; |
… | |
… | |
309 | |
267 | |
310 | type = req->type; |
268 | type = req->type; |
311 | |
269 | |
312 | switch (type) |
270 | switch (type) |
313 | { |
271 | { |
314 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
272 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
315 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
273 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
316 | #if SYS_readahead |
274 | #if SYS_readahead |
317 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
275 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
318 | #else |
276 | #else |
319 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
277 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
320 | #endif |
278 | #endif |
… | |
… | |
364 | return 0; |
322 | return 0; |
365 | } |
323 | } |
366 | |
324 | |
367 | MODULE = IO::AIO PACKAGE = IO::AIO |
325 | MODULE = IO::AIO PACKAGE = IO::AIO |
368 | |
326 | |
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327 | PROTOTYPES: ENABLE |
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328 | |
369 | BOOT: |
329 | BOOT: |
370 | { |
330 | { |
371 | if (pipe (respipe)) |
331 | if (pipe (respipe)) |
372 | croak ("unable to initialize result pipe"); |
332 | croak ("unable to initialize result pipe"); |
373 | |
333 | |
… | |
… | |
400 | } |
360 | } |
401 | |
361 | |
402 | while (started > nthreads) |
362 | while (started > nthreads) |
403 | { |
363 | { |
404 | poll_wait (); |
364 | poll_wait (); |
405 | poll_cb (aTHX); |
365 | poll_cb (); |
406 | } |
366 | } |
407 | } |
367 | } |
408 | |
368 | |
409 | int |
369 | int |
410 | max_outstanding(nreqs) |
370 | max_outstanding(nreqs) |
… | |
… | |
413 | CODE: |
373 | CODE: |
414 | RETVAL = max_outstanding; |
374 | RETVAL = max_outstanding; |
415 | max_outstanding = nreqs; |
375 | max_outstanding = nreqs; |
416 | |
376 | |
417 | void |
377 | void |
418 | aio_open(pathname,flags,mode,callback) |
378 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
419 | SV * pathname |
379 | SV * pathname |
420 | int flags |
380 | int flags |
421 | int mode |
381 | int mode |
422 | SV * callback |
382 | SV * callback |
423 | PROTOTYPE: $$$$ |
383 | PROTOTYPE: $$$;$ |
424 | CODE: |
384 | CODE: |
425 | { |
385 | { |
426 | aio_req req; |
386 | aio_req req; |
427 | |
387 | |
428 | Newz (0, req, 1, aio_cb); |
388 | Newz (0, req, 1, aio_cb); |
… | |
… | |
439 | |
399 | |
440 | send_req (req); |
400 | send_req (req); |
441 | } |
401 | } |
442 | |
402 | |
443 | void |
403 | void |
444 | aio_close(fh,callback) |
404 | aio_close(fh,callback=&PL_sv_undef) |
445 | InputStream fh |
405 | SV * fh |
446 | SV * callback |
406 | SV * callback |
447 | PROTOTYPE: $$ |
407 | PROTOTYPE: $;$ |
448 | ALIAS: |
408 | ALIAS: |
449 | aio_close = REQ_CLOSE |
409 | aio_close = REQ_CLOSE |
450 | aio_fsync = REQ_FSYNC |
410 | aio_fsync = REQ_FSYNC |
451 | aio_fdatasync = REQ_FDATASYNC |
411 | aio_fdatasync = REQ_FDATASYNC |
452 | CODE: |
412 | CODE: |
… | |
… | |
457 | |
417 | |
458 | if (!req) |
418 | if (!req) |
459 | croak ("out of memory during aio_req allocation"); |
419 | croak ("out of memory during aio_req allocation"); |
460 | |
420 | |
461 | req->type = ix; |
421 | req->type = ix; |
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422 | req->fh = newSVsv (fh); |
462 | req->fd = PerlIO_fileno (fh); |
423 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
463 | req->callback = SvREFCNT_inc (callback); |
424 | req->callback = SvREFCNT_inc (callback); |
464 | |
425 | |
465 | send_req (req); |
426 | send_req (req); |
466 | } |
427 | } |
467 | |
428 | |
468 | void |
429 | void |
469 | aio_read(fh,offset,length,data,dataoffset,callback) |
430 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
470 | InputStream fh |
431 | SV * fh |
471 | UV offset |
432 | UV offset |
472 | IV length |
433 | IV length |
473 | SV * data |
434 | SV * data |
474 | IV dataoffset |
435 | IV dataoffset |
475 | SV * callback |
436 | SV * callback |
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437 | ALIAS: |
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438 | aio_read = REQ_READ |
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439 | aio_write = REQ_WRITE |
476 | PROTOTYPE: $$$$$$ |
440 | PROTOTYPE: $$$$$;$ |
477 | CODE: |
441 | CODE: |
478 | read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
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479 | |
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480 | void |
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481 | aio_write(fh,offset,length,data,dataoffset,callback) |
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482 | OutputStream fh |
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483 | UV offset |
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484 | IV length |
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485 | SV * data |
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486 | IV dataoffset |
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487 | SV * callback |
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488 | PROTOTYPE: $$$$$$ |
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489 | CODE: |
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490 | read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
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491 | |
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492 | void |
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493 | aio_readahead(fh,offset,length,callback) |
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494 | InputStream fh |
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495 | UV offset |
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496 | IV length |
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497 | SV * callback |
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498 | PROTOTYPE: $$$$ |
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499 | CODE: |
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500 | { |
442 | { |
501 | aio_req req; |
443 | aio_req req; |
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444 | STRLEN svlen; |
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445 | char *svptr = SvPV (data, svlen); |
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446 | |
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447 | SvUPGRADE (data, SVt_PV); |
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448 | SvPOK_on (data); |
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449 | |
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450 | if (dataoffset < 0) |
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451 | dataoffset += svlen; |
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452 | |
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453 | if (dataoffset < 0 || dataoffset > svlen) |
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454 | croak ("data offset outside of string"); |
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455 | |
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456 | if (ix == REQ_WRITE) |
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457 | { |
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458 | /* write: check length and adjust. */ |
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459 | if (length < 0 || length + dataoffset > svlen) |
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460 | length = svlen - dataoffset; |
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461 | } |
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462 | else |
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463 | { |
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464 | /* read: grow scalar as necessary */ |
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465 | svptr = SvGROW (data, length + dataoffset); |
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466 | } |
502 | |
467 | |
503 | if (length < 0) |
468 | if (length < 0) |
504 | croak ("length must not be negative"); |
469 | croak ("length must not be negative"); |
505 | |
470 | |
506 | Newz (0, req, 1, aio_cb); |
471 | Newz (0, req, 1, aio_cb); |
507 | |
472 | |
508 | if (!req) |
473 | if (!req) |
509 | croak ("out of memory during aio_req allocation"); |
474 | croak ("out of memory during aio_req allocation"); |
510 | |
475 | |
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476 | req->type = ix; |
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477 | req->fh = newSVsv (fh); |
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478 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
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479 | : IoOFP (sv_2io (fh))); |
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480 | req->offset = offset; |
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481 | req->length = length; |
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482 | req->data = SvREFCNT_inc (data); |
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483 | req->dataptr = (char *)svptr + dataoffset; |
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484 | req->callback = SvREFCNT_inc (callback); |
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485 | |
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486 | send_req (req); |
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487 | } |
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488 | |
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489 | void |
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490 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
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491 | SV * fh |
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492 | UV offset |
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493 | IV length |
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494 | SV * callback |
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495 | PROTOTYPE: $$$;$ |
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496 | CODE: |
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497 | { |
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498 | aio_req req; |
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499 | |
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500 | if (length < 0) |
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501 | croak ("length must not be negative"); |
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502 | |
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503 | Newz (0, req, 1, aio_cb); |
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504 | |
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505 | if (!req) |
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506 | croak ("out of memory during aio_req allocation"); |
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507 | |
511 | req->type = REQ_READAHEAD; |
508 | req->type = REQ_READAHEAD; |
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509 | req->fh = newSVsv (fh); |
512 | req->fd = PerlIO_fileno (fh); |
510 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
513 | req->offset = offset; |
511 | req->offset = offset; |
514 | req->length = length; |
512 | req->length = length; |
515 | req->callback = SvREFCNT_inc (callback); |
513 | req->callback = SvREFCNT_inc (callback); |
516 | |
514 | |
517 | send_req (req); |
515 | send_req (req); |
518 | } |
516 | } |
519 | |
517 | |
520 | void |
518 | void |
521 | aio_stat(fh_or_path,callback) |
519 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
522 | SV * fh_or_path |
520 | SV * fh_or_path |
523 | SV * callback |
521 | SV * callback |
524 | PROTOTYPE: $$ |
|
|
525 | ALIAS: |
522 | ALIAS: |
|
|
523 | aio_stat = REQ_STAT |
526 | aio_lstat = 1 |
524 | aio_lstat = REQ_LSTAT |
527 | CODE: |
525 | CODE: |
528 | { |
526 | { |
529 | aio_req req; |
527 | aio_req req; |
530 | |
528 | |
531 | Newz (0, req, 1, aio_cb); |
529 | Newz (0, req, 1, aio_cb); |
… | |
… | |
538 | if (!req->statdata) |
536 | if (!req->statdata) |
539 | croak ("out of memory during aio_req->statdata allocation"); |
537 | croak ("out of memory during aio_req->statdata allocation"); |
540 | |
538 | |
541 | if (SvPOK (fh_or_path)) |
539 | if (SvPOK (fh_or_path)) |
542 | { |
540 | { |
543 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
541 | req->type = ix; |
544 | req->data = newSVsv (fh_or_path); |
542 | req->data = newSVsv (fh_or_path); |
545 | req->dataptr = SvPV_nolen (req->data); |
543 | req->dataptr = SvPV_nolen (req->data); |
546 | } |
544 | } |
547 | else |
545 | else |
548 | { |
546 | { |
549 | req->type = REQ_FSTAT; |
547 | req->type = REQ_FSTAT; |
|
|
548 | req->fh = newSVsv (fh_or_path); |
550 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
549 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
551 | } |
550 | } |
552 | |
551 | |
553 | req->callback = SvREFCNT_inc (callback); |
552 | req->callback = SvREFCNT_inc (callback); |
554 | |
553 | |
555 | send_req (req); |
554 | send_req (req); |
556 | } |
555 | } |
557 | |
556 | |
558 | void |
557 | void |
559 | aio_unlink(pathname,callback) |
558 | aio_unlink(pathname,callback=&PL_sv_undef) |
560 | SV * pathname |
559 | SV * pathname |
561 | SV * callback |
560 | SV * callback |
562 | PROTOTYPE: $$ |
|
|
563 | CODE: |
561 | CODE: |
564 | { |
562 | { |
565 | aio_req req; |
563 | aio_req req; |
566 | |
564 | |
567 | Newz (0, req, 1, aio_cb); |
565 | Newz (0, req, 1, aio_cb); |
… | |
… | |
575 | req->callback = SvREFCNT_inc (callback); |
573 | req->callback = SvREFCNT_inc (callback); |
576 | |
574 | |
577 | send_req (req); |
575 | send_req (req); |
578 | } |
576 | } |
579 | |
577 | |
|
|
578 | void |
|
|
579 | flush() |
|
|
580 | PROTOTYPE: |
|
|
581 | CODE: |
|
|
582 | while (nreqs) |
|
|
583 | { |
|
|
584 | poll_wait (); |
|
|
585 | poll_cb (); |
|
|
586 | } |
|
|
587 | |
|
|
588 | void |
|
|
589 | poll() |
|
|
590 | PROTOTYPE: |
|
|
591 | CODE: |
|
|
592 | if (nreqs) |
|
|
593 | { |
|
|
594 | poll_wait (); |
|
|
595 | poll_cb (); |
|
|
596 | } |
|
|
597 | |
580 | int |
598 | int |
581 | poll_fileno() |
599 | poll_fileno() |
582 | PROTOTYPE: |
600 | PROTOTYPE: |
583 | CODE: |
601 | CODE: |
584 | RETVAL = respipe [0]; |
602 | RETVAL = respipe [0]; |
… | |
… | |
587 | |
605 | |
588 | int |
606 | int |
589 | poll_cb(...) |
607 | poll_cb(...) |
590 | PROTOTYPE: |
608 | PROTOTYPE: |
591 | CODE: |
609 | CODE: |
592 | RETVAL = poll_cb (aTHX); |
610 | RETVAL = poll_cb (); |
593 | OUTPUT: |
611 | OUTPUT: |
594 | RETVAL |
612 | RETVAL |
595 | |
613 | |
596 | void |
614 | void |
597 | poll_wait() |
615 | poll_wait() |