|
|
1 | #define PERL_NO_GET_CONTEXT |
|
|
2 | |
1 | #include "EXTERN.h" |
3 | #include "EXTERN.h" |
2 | #include "perl.h" |
4 | #include "perl.h" |
3 | #include "XSUB.h" |
5 | #include "XSUB.h" |
4 | |
6 | |
5 | #include <sys/types.h> |
7 | #include <sys/types.h> |
6 | #include <sys/stat.h> |
8 | #include <sys/stat.h> |
7 | #include <unistd.h> |
9 | #include <unistd.h> |
8 | #include <fcntl.h> |
10 | #include <fcntl.h> |
9 | #include <signal.h> |
11 | #include <signal.h> |
10 | #include <sched.h> |
12 | #include <sched.h> |
|
|
13 | #include <endian.h> |
11 | |
14 | |
12 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
15 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
13 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
16 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
14 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
17 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
15 | |
18 | |
16 | #ifndef __NR_pread64 |
19 | #if __i386 || __amd64 |
17 | # define __NR_pread64 __NR_pread |
20 | # define STACKSIZE ( 256 * sizeof (long)) |
|
|
21 | #elif __ia64 |
|
|
22 | # define STACKSIZE (8192 * sizeof (long)) |
|
|
23 | #else |
|
|
24 | # define STACKSIZE ( 512 * sizeof (long)) |
18 | #endif |
25 | #endif |
19 | #ifndef __NR_pwrite64 |
|
|
20 | # define __NR_pwrite64 __NR_pwrite |
|
|
21 | #endif |
|
|
22 | |
26 | |
23 | #define STACKSIZE 1024 /* yeah */ |
27 | enum { |
24 | |
28 | REQ_QUIT, |
25 | enum { REQ_QUIT, REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE, REQ_STAT, REQ_LSTAT, REQ_FSTAT}; |
29 | REQ_OPEN, REQ_CLOSE, REQ_READ, REQ_WRITE, |
|
|
30 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK |
|
|
31 | }; |
26 | |
32 | |
27 | typedef struct { |
33 | typedef struct { |
28 | char stack[STACKSIZE]; |
34 | char stack[STACKSIZE]; |
29 | } aio_thread; |
35 | } aio_thread; |
30 | |
36 | |
31 | typedef struct { |
37 | typedef struct aio_cb { |
|
|
38 | struct aio_cb *next; |
|
|
39 | |
32 | int type; |
40 | int type; |
33 | aio_thread *thread; |
41 | aio_thread *thread; |
34 | |
42 | |
35 | int fd; |
43 | int fd; |
36 | off_t offset; |
44 | off_t offset; |
… | |
… | |
40 | int errorno; |
48 | int errorno; |
41 | SV *data, *callback; |
49 | SV *data, *callback; |
42 | void *dataptr; |
50 | void *dataptr; |
43 | STRLEN dataoffset; |
51 | STRLEN dataoffset; |
44 | |
52 | |
45 | struct stat64 *statdata; |
53 | Stat_t *statdata; |
46 | } aio_cb; |
54 | } aio_cb; |
47 | |
55 | |
48 | typedef aio_cb *aio_req; |
56 | typedef aio_cb *aio_req; |
49 | |
57 | |
50 | static int started; |
58 | static int started; |
51 | static int nreqs; |
59 | static int nreqs; |
52 | static int reqpipe[2], respipe[2]; |
60 | static int reqpipe[2], respipe[2]; |
53 | |
61 | |
|
|
62 | static aio_req qs, qe; /* queue start, queue end */ |
|
|
63 | |
54 | static int aio_proc(void *arg); |
64 | static int aio_proc(void *arg); |
55 | |
65 | |
56 | static void |
66 | static void |
57 | start_thread(void) |
67 | start_thread (void) |
58 | { |
68 | { |
59 | aio_thread *thr; |
69 | aio_thread *thr; |
60 | |
70 | |
61 | New (0, thr, 1, aio_thread); |
71 | New (0, thr, 1, aio_thread); |
62 | |
72 | |
63 | if (clone (aio_proc, |
73 | if (clone (aio_proc, |
64 | &(thr->stack[STACKSIZE]), |
74 | &(thr->stack[STACKSIZE - 16]), |
65 | CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND, |
75 | CLONE_VM|CLONE_FS|CLONE_FILES, |
66 | thr) >= 0) |
76 | thr) >= 0) |
67 | started++; |
77 | started++; |
68 | else |
78 | else |
69 | Safefree (thr); |
79 | Safefree (thr); |
70 | } |
80 | } |
71 | |
81 | |
72 | static void |
82 | static void |
|
|
83 | send_reqs (void) |
|
|
84 | { |
|
|
85 | /* this write is atomic */ |
|
|
86 | while (qs && write (reqpipe[1], &qs, sizeof qs) == sizeof qs) |
|
|
87 | { |
|
|
88 | qs = qs->next; |
|
|
89 | if (!qs) qe = 0; |
|
|
90 | } |
|
|
91 | } |
|
|
92 | |
|
|
93 | static void |
|
|
94 | send_req (aio_req req) |
|
|
95 | { |
|
|
96 | nreqs++; |
|
|
97 | req->next = 0; |
|
|
98 | |
|
|
99 | if (qe) |
|
|
100 | { |
|
|
101 | qe->next = req; |
|
|
102 | qe = req; |
|
|
103 | } |
|
|
104 | else |
|
|
105 | qe = qs = req; |
|
|
106 | |
|
|
107 | send_reqs (); |
|
|
108 | } |
|
|
109 | |
|
|
110 | static void |
73 | end_thread(void) |
111 | end_thread (void) |
74 | { |
112 | { |
75 | aio_req req; |
113 | aio_req req; |
76 | New (0, req, 1, aio_cb); |
114 | New (0, req, 1, aio_cb); |
77 | req->type = REQ_QUIT; |
115 | req->type = REQ_QUIT; |
78 | write (reqpipe[1], &req, sizeof (aio_req)); |
116 | |
|
|
117 | send_req (req); |
79 | } |
118 | } |
80 | |
119 | |
81 | static void |
120 | static void |
82 | send_req (aio_req req) |
121 | read_write (pTHX_ |
83 | { |
|
|
84 | nreqs++; |
|
|
85 | write (reqpipe[1], &req, sizeof (aio_req)); |
|
|
86 | } |
|
|
87 | |
|
|
88 | static void |
|
|
89 | read_write (pTHX_ int dowrite, int fd, off_t offset, size_t length, |
122 | int dowrite, int fd, off_t offset, size_t length, |
90 | SV *data, STRLEN dataoffset, SV*callback) |
123 | SV *data, STRLEN dataoffset, SV *callback) |
91 | { |
124 | { |
92 | aio_req req; |
125 | aio_req req; |
93 | STRLEN svlen; |
126 | STRLEN svlen; |
94 | char *svptr = SvPV (data, svlen); |
127 | char *svptr = SvPV (data, svlen); |
95 | |
128 | |
… | |
… | |
131 | req->callback = SvREFCNT_inc (callback); |
164 | req->callback = SvREFCNT_inc (callback); |
132 | |
165 | |
133 | send_req (req); |
166 | send_req (req); |
134 | } |
167 | } |
135 | |
168 | |
|
|
169 | static void |
|
|
170 | poll_wait () |
|
|
171 | { |
|
|
172 | fd_set rfd; |
|
|
173 | FD_ZERO(&rfd); |
|
|
174 | FD_SET(respipe[0], &rfd); |
|
|
175 | |
|
|
176 | select (respipe[0] + 1, &rfd, 0, 0, 0); |
|
|
177 | } |
|
|
178 | |
136 | static int |
179 | static int |
137 | poll_cb (pTHX) |
180 | poll_cb (pTHX) |
138 | { |
181 | { |
139 | dSP; |
182 | dSP; |
140 | int count = 0; |
183 | int count = 0; |
141 | aio_req req; |
184 | aio_req req; |
142 | |
185 | |
143 | while (read (respipe[0], (void *)&req, sizeof (req)) == sizeof (req)) |
186 | while (read (respipe[0], (void *)&req, sizeof (req)) == sizeof (req)) |
144 | { |
187 | { |
|
|
188 | nreqs--; |
|
|
189 | |
145 | if (req->type == REQ_QUIT) |
190 | if (req->type == REQ_QUIT) |
146 | { |
191 | { |
147 | Safefree (req->thread); |
192 | Safefree (req->thread); |
148 | started--; |
193 | started--; |
149 | } |
194 | } |
… | |
… | |
159 | if (req->data) |
204 | if (req->data) |
160 | SvREFCNT_dec (req->data); |
205 | SvREFCNT_dec (req->data); |
161 | |
206 | |
162 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
207 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
163 | { |
208 | { |
164 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
209 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
165 | PL_laststatval = req->result; |
210 | PL_laststatval = req->result; |
166 | PL_statcache.st_dev = req->statdata->st_dev; |
211 | PL_statcache = *(req->statdata); |
167 | PL_statcache.st_ino = req->statdata->st_ino; |
|
|
168 | PL_statcache.st_mode = req->statdata->st_mode; |
|
|
169 | PL_statcache.st_nlink = req->statdata->st_nlink; |
|
|
170 | PL_statcache.st_uid = req->statdata->st_uid; |
|
|
171 | PL_statcache.st_gid = req->statdata->st_gid; |
|
|
172 | PL_statcache.st_rdev = req->statdata->st_rdev; |
|
|
173 | PL_statcache.st_size = req->statdata->st_size; |
|
|
174 | PL_statcache.st_atime = req->statdata->st_atime; |
|
|
175 | PL_statcache.st_mtime = req->statdata->st_mtime; |
|
|
176 | PL_statcache.st_ctime = req->statdata->st_ctime; |
|
|
177 | PL_statcache.st_blksize = req->statdata->st_blksize; |
|
|
178 | PL_statcache.st_blocks = req->statdata->st_blocks; |
|
|
179 | |
212 | |
180 | Safefree (req->statdata); |
213 | Safefree (req->statdata); |
181 | } |
214 | } |
182 | |
215 | |
183 | PUSHMARK (SP); |
216 | PUSHMARK (SP); |
… | |
… | |
188 | |
221 | |
189 | if (req->callback) |
222 | if (req->callback) |
190 | SvREFCNT_dec (req->callback); |
223 | SvREFCNT_dec (req->callback); |
191 | |
224 | |
192 | errno = errorno; |
225 | errno = errorno; |
193 | nreqs--; |
|
|
194 | count++; |
226 | count++; |
195 | } |
227 | } |
196 | |
228 | |
197 | Safefree (req); |
229 | Safefree (req); |
198 | } |
230 | } |
199 | |
231 | |
|
|
232 | if (qs) |
|
|
233 | send_reqs (); |
|
|
234 | |
200 | return count; |
235 | return count; |
201 | } |
236 | } |
202 | |
237 | |
203 | static sigset_t fullsigset; |
238 | static sigset_t fullsigset; |
204 | |
239 | |
205 | #undef errno |
240 | #undef errno |
206 | #include <asm/unistd.h> |
241 | #include <asm/unistd.h> |
|
|
242 | #include <linux/types.h> |
|
|
243 | #include <sys/prctl.h> |
|
|
244 | |
|
|
245 | #if BYTE_ORDER == LITTLE_ENDIAN |
|
|
246 | # define LONG_LONG_PAIR(HI, LO) LO, HI |
|
|
247 | #elif BYTE_ORDER == BIG_ENDIAN |
|
|
248 | # define LONG_LONG_PAIR(HI, LO) HI, LO |
|
|
249 | #endif |
|
|
250 | |
|
|
251 | #if __alpha || __ia64 || __hppa || __v850__ |
|
|
252 | # define stat kernelstat |
|
|
253 | # define stat64 kernelstat64 |
|
|
254 | # include <asm/stat.h> |
|
|
255 | # undef stat |
|
|
256 | # undef stat64 |
|
|
257 | #else |
|
|
258 | # define kernelstat stat |
|
|
259 | # define kernelstat64 stat64 |
|
|
260 | #endif |
|
|
261 | |
|
|
262 | #define COPY_STATDATA \ |
|
|
263 | req->statdata->st_dev = statdata.st_dev; \ |
|
|
264 | req->statdata->st_ino = statdata.st_ino; \ |
|
|
265 | req->statdata->st_mode = statdata.st_mode; \ |
|
|
266 | req->statdata->st_nlink = statdata.st_nlink; \ |
|
|
267 | req->statdata->st_uid = statdata.st_uid; \ |
|
|
268 | req->statdata->st_gid = statdata.st_gid; \ |
|
|
269 | req->statdata->st_rdev = statdata.st_rdev; \ |
|
|
270 | req->statdata->st_size = statdata.st_size; \ |
|
|
271 | req->statdata->st_atime = statdata.st_atime; \ |
|
|
272 | req->statdata->st_mtime = statdata.st_mtime; \ |
|
|
273 | req->statdata->st_ctime = statdata.st_ctime; \ |
|
|
274 | req->statdata->st_blksize = statdata.st_blksize; \ |
|
|
275 | req->statdata->st_blocks = statdata.st_blocks; \ |
207 | |
276 | |
208 | static int |
277 | static int |
209 | aio_proc(void *thr_arg) |
278 | aio_proc (void *thr_arg) |
210 | { |
279 | { |
211 | aio_thread *thr = thr_arg; |
280 | aio_thread *thr = thr_arg; |
212 | aio_req req; |
281 | aio_req req; |
213 | int errno; |
282 | int errno; |
214 | |
283 | |
215 | /* this is very much x86 and kernel-specific :(:(:( */ |
284 | /* this is very much kernel-specific :(:(:( */ |
216 | /* we rely on gcc's ability to create closures. */ |
285 | /* we rely on gcc's ability to create closures. */ |
217 | _syscall3(int,read,int,fd,char *,buf,size_t,count) |
286 | _syscall3(__kernel_size_t,read,unsigned int,fd,char *,buf,__kernel_size_t,count) |
218 | _syscall3(int,write,int,fd,char *,buf,size_t,count) |
287 | _syscall3(__kernel_size_t,write,unsigned int,fd,char *,buf,__kernel_size_t,count) |
219 | |
288 | |
220 | _syscall3(int,open,char *,pathname,int,flags,mode_t,mode) |
289 | _syscall3(int,open,char *,pathname,int,flags,int,mode) |
221 | _syscall1(int,close,int,fd) |
290 | _syscall1(int,close,unsigned int,fd) |
222 | |
291 | |
|
|
292 | #ifndef __NR_pread64 |
|
|
293 | # define __NR_pread64 __NR_pread |
|
|
294 | # define __NR_pwrite64 __NR_write |
|
|
295 | #endif |
223 | _syscall5(int,pread64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) |
296 | _syscall5(__kernel_ssize_t,pread64,unsigned int,fd,char *,buf,__kernel_size_t,count,unsigned int,offset_lh,unsigned int,offset_hl) |
224 | _syscall5(int,pwrite64,int,fd,char *,buf,size_t,count,unsigned int,offset_lo,unsigned int,offset_hi) |
297 | _syscall5(__kernel_ssize_t,pwrite64,unsigned int,fd,char *,buf,__kernel_size_t,count,unsigned int,offset_lh,unsigned int,offset_hl) |
225 | |
298 | |
|
|
299 | #if __NR_stat64 |
226 | _syscall2(int,stat64, const char *, filename, struct stat64 *, buf) |
300 | _syscall2(int,stat64, const char *, filename, struct kernelstat64 *, buf) |
227 | _syscall2(int,lstat64, const char *, filename, struct stat64 *, buf) |
301 | _syscall2(int,lstat64, const char *, filename, struct kernelstat64 *, buf) |
228 | _syscall2(int,fstat64, int, fd, struct stat64 *, buf) |
302 | _syscall2(int,fstat64, int, fd, struct kernelstat64 *, buf) |
|
|
303 | #elif __NR_stat |
|
|
304 | _syscall2(int,stat, const char *, filename, struct kernelstat *, buf) |
|
|
305 | _syscall2(int,lstat, const char *, filename, struct kernelstat *, buf) |
|
|
306 | _syscall2(int,fstat, int, fd, struct kernelstat *, buf) |
|
|
307 | #else |
|
|
308 | # error "neither stat64 nor stat defined" |
|
|
309 | #endif |
|
|
310 | |
|
|
311 | _syscall1(int,unlink, char *, filename); |
229 | |
312 | |
230 | sigprocmask (SIG_SETMASK, &fullsigset, 0); |
313 | sigprocmask (SIG_SETMASK, &fullsigset, 0); |
|
|
314 | prctl (PR_SET_PDEATHSIG, SIGKILL); |
231 | |
315 | |
232 | /* then loop */ |
316 | /* then loop */ |
233 | while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req)) |
317 | while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req)) |
234 | { |
318 | { |
235 | req->thread = thr; |
319 | req->thread = thr; |
236 | errno = 0; /* strictly unnecessary */ |
320 | errno = 0; /* strictly unnecessary */ |
237 | |
321 | |
238 | if (req->type == REQ_READ) |
322 | switch (req->type) |
239 | req->result = pread64 (req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); |
|
|
240 | else if (req->type == REQ_WRITE) |
|
|
241 | req->result = pwrite64(req->fd, req->dataptr, req->length, req->offset & 0xffffffff, req->offset >> 32); |
|
|
242 | else if (req->type == REQ_OPEN) |
|
|
243 | req->result = open (req->dataptr, req->fd, req->mode); |
|
|
244 | else if (req->type == REQ_CLOSE) |
|
|
245 | req->result = close (req->fd); |
|
|
246 | else if (req->type == REQ_STAT) |
|
|
247 | req->result = stat64 (req->dataptr, req->statdata); |
|
|
248 | else if (req->type == REQ_LSTAT) |
|
|
249 | req->result = lstat64 (req->dataptr, req->statdata); |
|
|
250 | else if (req->type == REQ_FSTAT) |
|
|
251 | req->result = fstat64 (req->fd, req->statdata); |
|
|
252 | else |
|
|
253 | { |
323 | { |
|
|
324 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, |
|
|
325 | LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break; |
|
|
326 | case REQ_WRITE: req->result = pwrite64(req->fd, req->dataptr, req->length, |
|
|
327 | LONG_LONG_PAIR (req->offset >> 32, req->offset & 0xffffffff)); break; |
|
|
328 | #if __NR_stat64 |
|
|
329 | struct kernelstat64 statdata; |
|
|
330 | case REQ_STAT: req->result = stat64 (req->dataptr, &statdata); COPY_STATDATA; break; |
|
|
331 | case REQ_LSTAT: req->result = lstat64 (req->dataptr, &statdata); COPY_STATDATA; break; |
|
|
332 | case REQ_FSTAT: req->result = fstat64 (req->fd, &statdata); COPY_STATDATA; break; |
|
|
333 | #else |
|
|
334 | struct kernelstat statdata; |
|
|
335 | case REQ_STAT: req->result = stat (req->dataptr, &statdata); COPY_STATDATA; break; |
|
|
336 | case REQ_LSTAT: req->result = lstat (req->dataptr, &statdata); COPY_STATDATA; break; |
|
|
337 | case REQ_FSTAT: req->result = fstat (req->fd, &statdata); COPY_STATDATA; break; |
|
|
338 | #endif |
|
|
339 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
340 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
341 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
342 | |
|
|
343 | case REQ_QUIT: |
|
|
344 | default: |
254 | write (respipe[1], (void *)&req, sizeof (req)); |
345 | write (respipe[1], (void *)&req, sizeof (req)); |
255 | break; |
346 | return 0; |
256 | } |
347 | } |
257 | |
348 | |
258 | req->errorno = errno; |
349 | req->errorno = errno; |
259 | write (respipe[1], (void *)&req, sizeof (req)); |
350 | write (respipe[1], (void *)&req, sizeof (req)); |
260 | } |
351 | } |
… | |
… | |
272 | sigdelset (&fullsigset, SIGABRT); |
363 | sigdelset (&fullsigset, SIGABRT); |
273 | sigdelset (&fullsigset, SIGINT); |
364 | sigdelset (&fullsigset, SIGINT); |
274 | |
365 | |
275 | if (pipe (reqpipe) || pipe (respipe)) |
366 | if (pipe (reqpipe) || pipe (respipe)) |
276 | croak ("unable to initialize request or result pipe"); |
367 | croak ("unable to initialize request or result pipe"); |
|
|
368 | |
|
|
369 | if (fcntl (reqpipe[1], F_SETFL, O_NONBLOCK)) |
|
|
370 | croak ("cannot set result pipe to nonblocking mode"); |
277 | |
371 | |
278 | if (fcntl (respipe[0], F_SETFL, O_NONBLOCK)) |
372 | if (fcntl (respipe[0], F_SETFL, O_NONBLOCK)) |
279 | croak ("cannot set result pipe to nonblocking mode"); |
373 | croak ("cannot set result pipe to nonblocking mode"); |
280 | } |
374 | } |
281 | |
375 | |
… | |
… | |
299 | cur--; |
393 | cur--; |
300 | } |
394 | } |
301 | |
395 | |
302 | while (started > nthreads) |
396 | while (started > nthreads) |
303 | { |
397 | { |
304 | fd_set rfd; |
398 | poll_wait (); |
305 | FD_ZERO(&rfd); |
|
|
306 | FD_SET(respipe[0], &rfd); |
|
|
307 | |
|
|
308 | select (respipe[0] + 1, &rfd, 0, 0, 0); |
|
|
309 | poll_cb (); |
399 | poll_cb (aTHX); |
310 | } |
400 | } |
311 | |
401 | |
312 | void |
402 | void |
313 | aio_open(pathname,flags,mode,callback) |
403 | aio_open(pathname,flags,mode,callback) |
314 | SV * pathname |
404 | SV * pathname |
… | |
… | |
389 | Newz (0, req, 1, aio_cb); |
479 | Newz (0, req, 1, aio_cb); |
390 | |
480 | |
391 | if (!req) |
481 | if (!req) |
392 | croak ("out of memory during aio_req allocation"); |
482 | croak ("out of memory during aio_req allocation"); |
393 | |
483 | |
394 | New (0, req->statdata, 1, struct stat64); |
484 | New (0, req->statdata, 1, Stat_t); |
395 | |
485 | |
396 | if (!req->statdata) |
486 | if (!req->statdata) |
397 | croak ("out of memory during aio_req->statdata allocation"); |
487 | croak ("out of memory during aio_req->statdata allocation"); |
398 | |
488 | |
399 | if (SvPOK (fh_or_path)) |
489 | if (SvPOK (fh_or_path)) |
… | |
… | |
410 | |
500 | |
411 | req->callback = SvREFCNT_inc (callback); |
501 | req->callback = SvREFCNT_inc (callback); |
412 | |
502 | |
413 | send_req (req); |
503 | send_req (req); |
414 | |
504 | |
|
|
505 | void |
|
|
506 | aio_unlink(pathname,callback) |
|
|
507 | SV * pathname |
|
|
508 | SV * callback |
|
|
509 | PROTOTYPE: $$ |
|
|
510 | CODE: |
|
|
511 | aio_req req; |
|
|
512 | |
|
|
513 | Newz (0, req, 1, aio_cb); |
|
|
514 | |
|
|
515 | if (!req) |
|
|
516 | croak ("out of memory during aio_req allocation"); |
|
|
517 | |
|
|
518 | req->type = REQ_UNLINK; |
|
|
519 | req->data = newSVsv (pathname); |
|
|
520 | req->dataptr = SvPV_nolen (req->data); |
|
|
521 | req->callback = SvREFCNT_inc (callback); |
|
|
522 | |
|
|
523 | send_req (req); |
|
|
524 | |
415 | int |
525 | int |
416 | poll_fileno() |
526 | poll_fileno() |
417 | PROTOTYPE: |
527 | PROTOTYPE: |
418 | CODE: |
528 | CODE: |
419 | RETVAL = respipe[0]; |
529 | RETVAL = respipe[0]; |
… | |
… | |
426 | CODE: |
536 | CODE: |
427 | RETVAL = poll_cb (aTHX); |
537 | RETVAL = poll_cb (aTHX); |
428 | OUTPUT: |
538 | OUTPUT: |
429 | RETVAL |
539 | RETVAL |
430 | |
540 | |
|
|
541 | void |
|
|
542 | poll_wait() |
|
|
543 | PROTOTYPE: |
|
|
544 | CODE: |
|
|
545 | poll_wait (); |
|
|
546 | |
431 | int |
547 | int |
432 | nreqs() |
548 | nreqs() |
433 | PROTOTYPE: |
549 | PROTOTYPE: |
434 | CODE: |
550 | CODE: |
435 | RETVAL = nreqs; |
551 | RETVAL = nreqs; |