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1 | #define _REENTRANT 1 |
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2 | #include <errno.h> |
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3 | |
1 | #include "EXTERN.h" |
4 | #include "EXTERN.h" |
2 | #include "perl.h" |
5 | #include "perl.h" |
3 | #include "XSUB.h" |
6 | #include "XSUB.h" |
4 | |
7 | |
5 | #include "autoconf/config.h" |
8 | #include "autoconf/config.h" |
… | |
… | |
9 | |
12 | |
10 | #include <unistd.h> |
13 | #include <unistd.h> |
11 | #include <fcntl.h> |
14 | #include <fcntl.h> |
12 | #include <signal.h> |
15 | #include <signal.h> |
13 | #include <sched.h> |
16 | #include <sched.h> |
14 | |
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15 | #ifndef _REENTRANT |
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16 | # define _REENTRANT 1 |
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17 | #endif |
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18 | #include <errno.h> |
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19 | |
17 | |
20 | #include <pthread.h> |
18 | #include <pthread.h> |
21 | |
19 | |
22 | 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 ;) */ |
23 | 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 ;) */ |
… | |
… | |
31 | |
29 | |
32 | enum { |
30 | enum { |
33 | REQ_QUIT, |
31 | REQ_QUIT, |
34 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
35 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
36 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
37 | REQ_FSYNC, REQ_FDATASYNC, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
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36 | REQ_UNLINK, REQ_RMDIR, |
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37 | REQ_SYMLINK, |
38 | }; |
38 | }; |
39 | |
39 | |
40 | typedef struct aio_cb { |
40 | typedef struct aio_cb { |
41 | struct aio_cb *volatile next; |
41 | struct aio_cb *volatile next; |
42 | |
42 | |
… | |
… | |
47 | size_t length; |
47 | size_t length; |
48 | ssize_t result; |
48 | ssize_t result; |
49 | mode_t mode; /* open */ |
49 | mode_t mode; /* open */ |
50 | int errorno; |
50 | int errorno; |
51 | SV *data, *callback, *fh; |
51 | SV *data, *callback, *fh; |
52 | void *dataptr; |
52 | void *dataptr, *data2ptr; |
53 | STRLEN dataoffset; |
53 | STRLEN dataoffset; |
54 | |
54 | |
55 | Stat_t *statdata; |
55 | Stat_t *statdata; |
56 | } aio_cb; |
56 | } aio_cb; |
57 | |
57 | |
58 | typedef aio_cb *aio_req; |
58 | typedef aio_cb *aio_req; |
59 | |
59 | |
60 | static int started; |
60 | static int started, wanted; |
61 | static volatile int nreqs; |
61 | static volatile int nreqs; |
62 | static int max_outstanding = 1<<30; |
62 | static int max_outstanding = 1<<30; |
63 | static int respipe [2]; |
63 | static int respipe [2]; |
64 | |
64 | |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
… | |
… | |
67 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
67 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
68 | |
68 | |
69 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
69 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
70 | static volatile aio_req ress, rese; /* queue start, queue end */ |
70 | static volatile aio_req ress, rese; /* queue start, queue end */ |
71 | |
71 | |
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72 | static void free_req (aio_req req) |
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73 | { |
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74 | if (req->data) |
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75 | SvREFCNT_dec (req->data); |
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76 | |
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77 | if (req->fh) |
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78 | SvREFCNT_dec (req->fh); |
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79 | |
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80 | if (req->statdata) |
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81 | Safefree (req->statdata); |
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82 | |
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83 | if (req->callback) |
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84 | SvREFCNT_dec (req->callback); |
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85 | |
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86 | Safefree (req); |
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87 | } |
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88 | |
72 | static void |
89 | static void |
73 | poll_wait () |
90 | poll_wait () |
74 | { |
91 | { |
75 | if (nreqs && !ress) |
92 | if (nreqs && !ress) |
76 | { |
93 | { |
… | |
… | |
85 | static int |
102 | static int |
86 | poll_cb () |
103 | poll_cb () |
87 | { |
104 | { |
88 | dSP; |
105 | dSP; |
89 | int count = 0; |
106 | int count = 0; |
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107 | int do_croak = 0; |
90 | aio_req req, prv; |
108 | aio_req req; |
91 | |
109 | |
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110 | for (;;) |
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111 | { |
92 | pthread_mutex_lock (&reslock); |
112 | pthread_mutex_lock (&reslock); |
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113 | req = ress; |
93 | |
114 | |
94 | { |
115 | if (req) |
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116 | { |
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117 | ress = req->next; |
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118 | |
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119 | if (!ress) |
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120 | { |
95 | /* read any signals sent by the worker threads */ |
121 | /* read any signals sent by the worker threads */ |
96 | char buf [32]; |
122 | char buf [32]; |
97 | while (read (respipe [0], buf, 32) > 0) |
123 | while (read (respipe [0], buf, 32) == 32) |
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124 | ; |
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125 | |
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126 | rese = 0; |
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127 | } |
98 | ; |
128 | } |
99 | } |
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100 | |
129 | |
101 | req = ress; |
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102 | ress = rese = 0; |
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103 | |
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104 | pthread_mutex_unlock (&reslock); |
130 | pthread_mutex_unlock (&reslock); |
105 | |
131 | |
106 | while (req) |
132 | if (!req) |
107 | { |
133 | break; |
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134 | |
108 | nreqs--; |
135 | nreqs--; |
109 | |
136 | |
110 | if (req->type == REQ_QUIT) |
137 | if (req->type == REQ_QUIT) |
111 | started--; |
138 | started--; |
112 | else |
139 | else |
113 | { |
140 | { |
114 | int errorno = errno; |
141 | int errorno = errno; |
115 | errno = req->errorno; |
142 | errno = req->errorno; |
116 | |
143 | |
117 | if (req->type == REQ_READ) |
144 | if (req->type == REQ_READ) |
118 | SvCUR_set (req->data, req->dataoffset |
145 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
119 | + req->result > 0 ? req->result : 0); |
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120 | |
146 | |
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147 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
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148 | SvREADONLY_off (req->data); |
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149 | |
121 | if (req->data) |
150 | if (req->statdata) |
122 | SvREFCNT_dec (req->data); |
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123 | |
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124 | if (req->fh) |
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125 | SvREFCNT_dec (req->fh); |
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126 | |
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127 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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128 | { |
151 | { |
129 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
152 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
130 | PL_laststatval = req->result; |
153 | PL_laststatval = req->result; |
131 | PL_statcache = *(req->statdata); |
154 | PL_statcache = *(req->statdata); |
132 | |
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133 | Safefree (req->statdata); |
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134 | } |
155 | } |
135 | |
156 | |
136 | ENTER; |
157 | ENTER; |
137 | PUSHMARK (SP); |
158 | PUSHMARK (SP); |
138 | XPUSHs (sv_2mortal (newSViv (req->result))); |
159 | XPUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
155 | if (SvOK (req->callback)) |
176 | if (SvOK (req->callback)) |
156 | { |
177 | { |
157 | PUTBACK; |
178 | PUTBACK; |
158 | call_sv (req->callback, G_VOID | G_EVAL); |
179 | call_sv (req->callback, G_VOID | G_EVAL); |
159 | SPAGAIN; |
180 | SPAGAIN; |
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181 | |
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182 | if (SvTRUE (ERRSV)) |
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183 | { |
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184 | free_req (req); |
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185 | croak (0); |
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186 | } |
160 | } |
187 | } |
161 | |
188 | |
162 | LEAVE; |
189 | LEAVE; |
163 | |
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164 | if (req->callback) |
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165 | SvREFCNT_dec (req->callback); |
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166 | |
190 | |
167 | errno = errorno; |
191 | errno = errorno; |
168 | count++; |
192 | count++; |
169 | } |
193 | } |
170 | |
194 | |
171 | prv = req; |
195 | free_req (req); |
172 | req = req->next; |
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173 | Safefree (prv); |
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174 | |
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175 | /* TODO: croak on errors? */ |
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176 | } |
196 | } |
177 | |
197 | |
178 | return count; |
198 | return count; |
179 | } |
199 | } |
180 | |
200 | |
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… | |
187 | pthread_t tid; |
207 | pthread_t tid; |
188 | pthread_attr_t attr; |
208 | pthread_attr_t attr; |
189 | |
209 | |
190 | pthread_attr_init (&attr); |
210 | pthread_attr_init (&attr); |
191 | pthread_attr_setstacksize (&attr, STACKSIZE); |
211 | pthread_attr_setstacksize (&attr, STACKSIZE); |
192 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
212 | // pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
193 | |
213 | |
194 | sigfillset (&fullsigset); |
214 | sigfillset (&fullsigset); |
195 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
215 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
196 | |
216 | |
197 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
217 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
… | |
… | |
201 | } |
221 | } |
202 | |
222 | |
203 | static void |
223 | static void |
204 | send_req (aio_req req) |
224 | send_req (aio_req req) |
205 | { |
225 | { |
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226 | while (started < wanted && nreqs >= started) |
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227 | start_thread (); |
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228 | |
206 | nreqs++; |
229 | nreqs++; |
207 | |
230 | |
208 | pthread_mutex_lock (&reqlock); |
231 | pthread_mutex_lock (&reqlock); |
209 | |
232 | |
210 | req->next = 0; |
233 | req->next = 0; |
… | |
… | |
218 | reqe = reqs = req; |
241 | reqe = reqs = req; |
219 | |
242 | |
220 | pthread_cond_signal (&reqwait); |
243 | pthread_cond_signal (&reqwait); |
221 | pthread_mutex_unlock (&reqlock); |
244 | pthread_mutex_unlock (&reqlock); |
222 | |
245 | |
223 | while (nreqs > max_outstanding) |
246 | if (nreqs > max_outstanding) |
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247 | for (;;) |
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248 | { |
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249 | poll_cb (); |
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250 | |
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251 | if (nreqs <= max_outstanding) |
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252 | break; |
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253 | |
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254 | poll_wait (); |
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255 | } |
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256 | } |
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257 | |
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258 | static void |
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259 | end_thread (void) |
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260 | { |
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261 | aio_req req; |
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262 | Newz (0, req, 1, aio_cb); |
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263 | req->type = REQ_QUIT; |
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264 | |
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265 | send_req (req); |
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266 | } |
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267 | |
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268 | static void min_parallel (int nthreads) |
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269 | { |
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270 | if (wanted < nthreads) |
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271 | wanted = nthreads; |
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272 | } |
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273 | |
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274 | static void max_parallel (int nthreads) |
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275 | { |
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276 | int cur = started; |
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277 | |
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278 | if (wanted > nthreads) |
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279 | wanted = nthreads; |
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280 | |
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281 | while (cur > wanted) |
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282 | { |
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283 | end_thread (); |
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284 | cur--; |
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285 | } |
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286 | |
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287 | while (started > wanted) |
224 | { |
288 | { |
225 | poll_wait (); |
289 | poll_wait (); |
226 | poll_cb (); |
290 | poll_cb (); |
227 | } |
291 | } |
228 | } |
292 | } |
229 | |
293 | |
230 | static void |
294 | static void create_pipe () |
231 | end_thread (void) |
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232 | { |
295 | { |
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296 | if (pipe (respipe)) |
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297 | croak ("unable to initialize result pipe"); |
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298 | |
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299 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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300 | croak ("cannot set result pipe to nonblocking mode"); |
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301 | |
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302 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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303 | croak ("cannot set result pipe to nonblocking mode"); |
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304 | } |
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305 | |
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306 | static void atfork_prepare (void) |
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307 | { |
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308 | pthread_mutex_lock (&reqlock); |
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309 | pthread_mutex_lock (&reslock); |
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310 | } |
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311 | |
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312 | static void atfork_parent (void) |
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313 | { |
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314 | pthread_mutex_unlock (&reslock); |
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315 | pthread_mutex_unlock (&reqlock); |
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316 | } |
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317 | |
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318 | static void atfork_child (void) |
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319 | { |
233 | aio_req req; |
320 | aio_req prv; |
234 | New (0, req, 1, aio_cb); |
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235 | req->type = REQ_QUIT; |
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236 | |
321 | |
237 | send_req (req); |
322 | started = 0; |
238 | } |
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239 | |
323 | |
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324 | while (reqs) |
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325 | { |
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326 | prv = reqs; |
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327 | reqs = prv->next; |
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328 | free_req (prv); |
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329 | } |
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330 | |
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331 | reqs = reqe = 0; |
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332 | |
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333 | while (ress) |
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334 | { |
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335 | prv = ress; |
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336 | ress = prv->next; |
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337 | free_req (prv); |
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338 | } |
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339 | |
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340 | ress = rese = 0; |
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341 | |
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342 | close (respipe [0]); |
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343 | close (respipe [1]); |
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344 | create_pipe (); |
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345 | |
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346 | atfork_parent (); |
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347 | } |
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348 | |
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349 | /*****************************************************************************/ |
240 | /* work around various missing functions */ |
350 | /* work around various missing functions */ |
241 | |
351 | |
242 | #if !HAVE_PREADWRITE |
352 | #if !HAVE_PREADWRITE |
243 | # define pread aio_pread |
353 | # define pread aio_pread |
244 | # define pwrite aio_pwrite |
354 | # define pwrite aio_pwrite |
… | |
… | |
306 | |
416 | |
307 | errno = 0; |
417 | errno = 0; |
308 | } |
418 | } |
309 | #endif |
419 | #endif |
310 | |
420 | |
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421 | /*****************************************************************************/ |
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422 | |
311 | static void * |
423 | static void * |
312 | aio_proc (void *thr_arg) |
424 | aio_proc (void *thr_arg) |
313 | { |
425 | { |
314 | aio_req req; |
426 | aio_req req; |
315 | int type; |
427 | int type; |
… | |
… | |
352 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
464 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
353 | |
465 | |
354 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
466 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
355 | case REQ_CLOSE: req->result = close (req->fd); break; |
467 | case REQ_CLOSE: req->result = close (req->fd); break; |
356 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
468 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
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469 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
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470 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
357 | |
471 | |
358 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
472 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
359 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
473 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
360 | |
474 | |
361 | case REQ_QUIT: |
475 | case REQ_QUIT: |
… | |
… | |
390 | while (type != REQ_QUIT); |
504 | while (type != REQ_QUIT); |
391 | |
505 | |
392 | return 0; |
506 | return 0; |
393 | } |
507 | } |
394 | |
508 | |
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509 | #define dREQ \ |
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510 | aio_req req; \ |
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511 | \ |
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512 | if (SvOK (callback) && !SvROK (callback)) \ |
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513 | croak ("clalback must be undef or of reference type"); \ |
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514 | \ |
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515 | Newz (0, req, 1, aio_cb); \ |
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516 | if (!req) \ |
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517 | croak ("out of memory during aio_req allocation"); \ |
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518 | \ |
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519 | req->callback = newSVsv (callback); |
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520 | |
395 | MODULE = IO::AIO PACKAGE = IO::AIO |
521 | MODULE = IO::AIO PACKAGE = IO::AIO |
396 | |
522 | |
397 | PROTOTYPES: ENABLE |
523 | PROTOTYPES: ENABLE |
398 | |
524 | |
399 | BOOT: |
525 | BOOT: |
400 | { |
526 | { |
401 | if (pipe (respipe)) |
527 | create_pipe (); |
402 | croak ("unable to initialize result pipe"); |
528 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
403 | |
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404 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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405 | croak ("cannot set result pipe to nonblocking mode"); |
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406 | |
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407 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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408 | croak ("cannot set result pipe to nonblocking mode"); |
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409 | } |
529 | } |
410 | |
530 | |
411 | void |
531 | void |
412 | min_parallel(nthreads) |
532 | min_parallel(nthreads) |
413 | int nthreads |
533 | int nthreads |
414 | PROTOTYPE: $ |
534 | PROTOTYPE: $ |
415 | CODE: |
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416 | while (nthreads > started) |
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417 | start_thread (); |
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418 | |
535 | |
419 | void |
536 | void |
420 | max_parallel(nthreads) |
537 | max_parallel(nthreads) |
421 | int nthreads |
538 | int nthreads |
422 | PROTOTYPE: $ |
539 | PROTOTYPE: $ |
423 | CODE: |
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424 | { |
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425 | int cur = started; |
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426 | while (cur > nthreads) |
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427 | { |
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428 | end_thread (); |
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429 | cur--; |
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430 | } |
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431 | |
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432 | while (started > nthreads) |
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433 | { |
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434 | poll_wait (); |
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435 | poll_cb (); |
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436 | } |
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437 | } |
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438 | |
540 | |
439 | int |
541 | int |
440 | max_outstanding(nreqs) |
542 | max_outstanding(nreqs) |
441 | int nreqs |
543 | int nreqs |
442 | PROTOTYPE: $ |
544 | PROTOTYPE: $ |
… | |
… | |
451 | int mode |
553 | int mode |
452 | SV * callback |
554 | SV * callback |
453 | PROTOTYPE: $$$;$ |
555 | PROTOTYPE: $$$;$ |
454 | CODE: |
556 | CODE: |
455 | { |
557 | { |
456 | aio_req req; |
558 | dREQ; |
457 | |
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|
458 | Newz (0, req, 1, aio_cb); |
|
|
459 | |
|
|
460 | if (!req) |
|
|
461 | croak ("out of memory during aio_req allocation"); |
|
|
462 | |
559 | |
463 | req->type = REQ_OPEN; |
560 | req->type = REQ_OPEN; |
464 | req->data = newSVsv (pathname); |
561 | req->data = newSVsv (pathname); |
465 | req->dataptr = SvPV_nolen (req->data); |
562 | req->dataptr = SvPVbyte_nolen (req->data); |
466 | req->fd = flags; |
563 | req->fd = flags; |
467 | req->mode = mode; |
564 | req->mode = mode; |
468 | req->callback = SvREFCNT_inc (callback); |
|
|
469 | |
565 | |
470 | send_req (req); |
566 | send_req (req); |
471 | } |
567 | } |
472 | |
568 | |
473 | void |
569 | void |
… | |
… | |
479 | aio_close = REQ_CLOSE |
575 | aio_close = REQ_CLOSE |
480 | aio_fsync = REQ_FSYNC |
576 | aio_fsync = REQ_FSYNC |
481 | aio_fdatasync = REQ_FDATASYNC |
577 | aio_fdatasync = REQ_FDATASYNC |
482 | CODE: |
578 | CODE: |
483 | { |
579 | { |
484 | aio_req req; |
580 | dREQ; |
485 | |
|
|
486 | Newz (0, req, 1, aio_cb); |
|
|
487 | |
|
|
488 | if (!req) |
|
|
489 | croak ("out of memory during aio_req allocation"); |
|
|
490 | |
581 | |
491 | req->type = ix; |
582 | req->type = ix; |
492 | req->fh = newSVsv (fh); |
583 | req->fh = newSVsv (fh); |
493 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
584 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
494 | req->callback = SvREFCNT_inc (callback); |
|
|
495 | |
585 | |
496 | send_req (req); |
586 | send_req (req); |
497 | } |
587 | } |
498 | |
588 | |
499 | void |
589 | void |
… | |
… | |
510 | PROTOTYPE: $$$$$;$ |
600 | PROTOTYPE: $$$$$;$ |
511 | CODE: |
601 | CODE: |
512 | { |
602 | { |
513 | aio_req req; |
603 | aio_req req; |
514 | STRLEN svlen; |
604 | STRLEN svlen; |
515 | char *svptr = SvPV (data, svlen); |
605 | char *svptr = SvPVbyte (data, svlen); |
516 | |
606 | |
517 | SvUPGRADE (data, SVt_PV); |
607 | SvUPGRADE (data, SVt_PV); |
518 | SvPOK_on (data); |
608 | SvPOK_on (data); |
519 | |
609 | |
520 | if (dataoffset < 0) |
610 | if (dataoffset < 0) |
… | |
… | |
536 | } |
626 | } |
537 | |
627 | |
538 | if (length < 0) |
628 | if (length < 0) |
539 | croak ("length must not be negative"); |
629 | croak ("length must not be negative"); |
540 | |
630 | |
541 | Newz (0, req, 1, aio_cb); |
631 | { |
|
|
632 | dREQ; |
542 | |
633 | |
543 | if (!req) |
|
|
544 | croak ("out of memory during aio_req allocation"); |
|
|
545 | |
|
|
546 | req->type = ix; |
634 | req->type = ix; |
547 | req->fh = newSVsv (fh); |
635 | req->fh = newSVsv (fh); |
548 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
636 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
549 | : IoOFP (sv_2io (fh))); |
637 | : IoOFP (sv_2io (fh))); |
550 | req->offset = offset; |
638 | req->offset = offset; |
551 | req->length = length; |
639 | req->length = length; |
552 | req->data = SvREFCNT_inc (data); |
640 | req->data = SvREFCNT_inc (data); |
553 | req->dataptr = (char *)svptr + dataoffset; |
641 | req->dataptr = (char *)svptr + dataoffset; |
554 | req->callback = SvREFCNT_inc (callback); |
|
|
555 | |
642 | |
|
|
643 | if (!SvREADONLY (data)) |
|
|
644 | { |
|
|
645 | SvREADONLY_on (data); |
|
|
646 | req->data2ptr = (void *)data; |
|
|
647 | } |
|
|
648 | |
556 | send_req (req); |
649 | send_req (req); |
|
|
650 | } |
557 | } |
651 | } |
558 | |
652 | |
559 | void |
653 | void |
560 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
654 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
561 | SV * fh |
655 | SV * fh |
… | |
… | |
563 | IV length |
657 | IV length |
564 | SV * callback |
658 | SV * callback |
565 | PROTOTYPE: $$$;$ |
659 | PROTOTYPE: $$$;$ |
566 | CODE: |
660 | CODE: |
567 | { |
661 | { |
568 | aio_req req; |
662 | dREQ; |
569 | |
|
|
570 | if (length < 0) |
|
|
571 | croak ("length must not be negative"); |
|
|
572 | |
|
|
573 | Newz (0, req, 1, aio_cb); |
|
|
574 | |
|
|
575 | if (!req) |
|
|
576 | croak ("out of memory during aio_req allocation"); |
|
|
577 | |
663 | |
578 | req->type = REQ_READAHEAD; |
664 | req->type = REQ_READAHEAD; |
579 | req->fh = newSVsv (fh); |
665 | req->fh = newSVsv (fh); |
580 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
666 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
581 | req->offset = offset; |
667 | req->offset = offset; |
582 | req->length = length; |
668 | req->length = length; |
583 | req->callback = SvREFCNT_inc (callback); |
|
|
584 | |
669 | |
585 | send_req (req); |
670 | send_req (req); |
586 | } |
671 | } |
587 | |
672 | |
588 | void |
673 | void |
… | |
… | |
592 | ALIAS: |
677 | ALIAS: |
593 | aio_stat = REQ_STAT |
678 | aio_stat = REQ_STAT |
594 | aio_lstat = REQ_LSTAT |
679 | aio_lstat = REQ_LSTAT |
595 | CODE: |
680 | CODE: |
596 | { |
681 | { |
597 | aio_req req; |
682 | dREQ; |
598 | |
|
|
599 | Newz (0, req, 1, aio_cb); |
|
|
600 | |
|
|
601 | if (!req) |
|
|
602 | croak ("out of memory during aio_req allocation"); |
|
|
603 | |
683 | |
604 | New (0, req->statdata, 1, Stat_t); |
684 | New (0, req->statdata, 1, Stat_t); |
605 | |
|
|
606 | if (!req->statdata) |
685 | if (!req->statdata) |
|
|
686 | { |
|
|
687 | free_req (req); |
607 | croak ("out of memory during aio_req->statdata allocation"); |
688 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
689 | } |
608 | |
690 | |
609 | if (SvPOK (fh_or_path)) |
691 | if (SvPOK (fh_or_path)) |
610 | { |
692 | { |
611 | req->type = ix; |
693 | req->type = ix; |
612 | req->data = newSVsv (fh_or_path); |
694 | req->data = newSVsv (fh_or_path); |
613 | req->dataptr = SvPV_nolen (req->data); |
695 | req->dataptr = SvPVbyte_nolen (req->data); |
614 | } |
696 | } |
615 | else |
697 | else |
616 | { |
698 | { |
617 | req->type = REQ_FSTAT; |
699 | req->type = REQ_FSTAT; |
618 | req->fh = newSVsv (fh_or_path); |
700 | req->fh = newSVsv (fh_or_path); |
619 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
701 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
620 | } |
702 | } |
621 | |
703 | |
622 | req->callback = SvREFCNT_inc (callback); |
|
|
623 | |
|
|
624 | send_req (req); |
704 | send_req (req); |
625 | } |
705 | } |
626 | |
706 | |
627 | void |
707 | void |
628 | aio_unlink(pathname,callback=&PL_sv_undef) |
708 | aio_unlink(pathname,callback=&PL_sv_undef) |
629 | SV * pathname |
709 | SV * pathname |
630 | SV * callback |
710 | SV * callback |
|
|
711 | ALIAS: |
|
|
712 | aio_unlink = REQ_UNLINK |
|
|
713 | aio_rmdir = REQ_RMDIR |
631 | CODE: |
714 | CODE: |
632 | { |
715 | { |
633 | aio_req req; |
716 | dREQ; |
634 | |
717 | |
635 | Newz (0, req, 1, aio_cb); |
718 | req->type = ix; |
|
|
719 | req->data = newSVsv (pathname); |
|
|
720 | req->dataptr = SvPVbyte_nolen (req->data); |
636 | |
721 | |
637 | if (!req) |
722 | send_req (req); |
638 | croak ("out of memory during aio_req allocation"); |
723 | } |
|
|
724 | |
|
|
725 | void |
|
|
726 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
|
|
727 | SV * oldpath |
|
|
728 | SV * newpath |
|
|
729 | SV * callback |
|
|
730 | CODE: |
|
|
731 | { |
|
|
732 | dREQ; |
639 | |
733 | |
640 | req->type = REQ_UNLINK; |
734 | req->type = REQ_SYMLINK; |
|
|
735 | req->fh = newSVsv (oldpath); |
|
|
736 | req->data2ptr = SvPVbyte_nolen (req->fh); |
641 | req->data = newSVsv (pathname); |
737 | req->data = newSVsv (newpath); |
642 | req->dataptr = SvPV_nolen (req->data); |
738 | req->dataptr = SvPVbyte_nolen (req->data); |
643 | req->callback = SvREFCNT_inc (callback); |
|
|
644 | |
739 | |
645 | send_req (req); |
740 | send_req (req); |
646 | } |
741 | } |
647 | |
742 | |
648 | void |
743 | void |