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1 | #define _REENTRANT 1 |
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2 | #include <errno.h> |
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3 | |
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4 | #include "EXTERN.h" |
1 | #include "perl.h" |
5 | #include "perl.h" |
2 | #include "XSUB.h" |
6 | #include "XSUB.h" |
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7 | |
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8 | #include "autoconf/config.h" |
3 | |
9 | |
4 | #include <sys/types.h> |
10 | #include <sys/types.h> |
5 | #include <sys/stat.h> |
11 | #include <sys/stat.h> |
6 | |
12 | |
7 | #include <unistd.h> |
13 | #include <unistd.h> |
8 | #include <fcntl.h> |
14 | #include <fcntl.h> |
9 | #include <signal.h> |
15 | #include <signal.h> |
10 | #include <sched.h> |
16 | #include <sched.h> |
11 | #if __linux |
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12 | #include <sys/syscall.h> |
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13 | #endif |
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14 | |
17 | |
15 | #include <pthread.h> |
18 | #include <pthread.h> |
16 | |
19 | |
17 | 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 ;) */ |
18 | 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 ;) */ |
… | |
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26 | |
29 | |
27 | enum { |
30 | enum { |
28 | REQ_QUIT, |
31 | REQ_QUIT, |
29 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
30 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
31 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
32 | 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, |
33 | }; |
38 | }; |
34 | |
39 | |
35 | typedef struct aio_cb { |
40 | typedef struct aio_cb { |
36 | struct aio_cb *volatile next; |
41 | struct aio_cb *volatile next; |
37 | |
42 | |
… | |
… | |
42 | size_t length; |
47 | size_t length; |
43 | ssize_t result; |
48 | ssize_t result; |
44 | mode_t mode; /* open */ |
49 | mode_t mode; /* open */ |
45 | int errorno; |
50 | int errorno; |
46 | SV *data, *callback, *fh; |
51 | SV *data, *callback, *fh; |
47 | void *dataptr; |
52 | void *dataptr, *data2ptr; |
48 | STRLEN dataoffset; |
53 | STRLEN dataoffset; |
49 | |
54 | |
50 | Stat_t *statdata; |
55 | Stat_t *statdata; |
51 | } aio_cb; |
56 | } aio_cb; |
52 | |
57 | |
53 | typedef aio_cb *aio_req; |
58 | typedef aio_cb *aio_req; |
54 | |
59 | |
55 | static int started; |
60 | static int started, wanted; |
56 | static volatile int nreqs; |
61 | static volatile int nreqs; |
57 | static int max_outstanding = 1<<30; |
62 | static int max_outstanding = 1<<30; |
58 | static int respipe [2]; |
63 | static int respipe [2]; |
59 | |
64 | |
60 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
… | |
… | |
62 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
67 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
63 | |
68 | |
64 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
69 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
65 | static volatile aio_req ress, rese; /* queue start, queue end */ |
70 | static volatile aio_req ress, rese; /* queue start, queue end */ |
66 | |
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 | |
67 | static void |
89 | static void |
68 | poll_wait () |
90 | poll_wait () |
69 | { |
91 | { |
70 | if (nreqs && !ress) |
92 | if (nreqs && !ress) |
71 | { |
93 | { |
… | |
… | |
80 | static int |
102 | static int |
81 | poll_cb () |
103 | poll_cb () |
82 | { |
104 | { |
83 | dSP; |
105 | dSP; |
84 | int count = 0; |
106 | int count = 0; |
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107 | int do_croak = 0; |
85 | aio_req req, prv; |
108 | aio_req req; |
86 | |
109 | |
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110 | for (;;) |
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111 | { |
87 | pthread_mutex_lock (&reslock); |
112 | pthread_mutex_lock (&reslock); |
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113 | req = ress; |
88 | |
114 | |
89 | { |
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 | { |
90 | /* read any signals sent by the worker threads */ |
121 | /* read any signals sent by the worker threads */ |
91 | char buf [32]; |
122 | char buf [32]; |
92 | 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 | } |
93 | ; |
128 | } |
94 | } |
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95 | |
129 | |
96 | req = ress; |
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97 | ress = rese = 0; |
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98 | |
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99 | pthread_mutex_unlock (&reslock); |
130 | pthread_mutex_unlock (&reslock); |
100 | |
131 | |
101 | while (req) |
132 | if (!req) |
102 | { |
133 | break; |
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134 | |
103 | nreqs--; |
135 | nreqs--; |
104 | |
136 | |
105 | if (req->type == REQ_QUIT) |
137 | if (req->type == REQ_QUIT) |
106 | started--; |
138 | started--; |
107 | else |
139 | else |
108 | { |
140 | { |
109 | int errorno = errno; |
141 | int errorno = errno; |
110 | errno = req->errorno; |
142 | errno = req->errorno; |
111 | |
143 | |
112 | if (req->type == REQ_READ) |
144 | if (req->type == REQ_READ) |
113 | SvCUR_set (req->data, req->dataoffset |
145 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
114 | + req->result > 0 ? req->result : 0); |
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115 | |
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 | |
116 | if (req->data) |
150 | if (req->statdata) |
117 | SvREFCNT_dec (req->data); |
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118 | |
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119 | if (req->fh) |
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120 | SvREFCNT_dec (req->fh); |
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121 | |
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122 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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123 | { |
151 | { |
124 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
152 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
125 | PL_laststatval = req->result; |
153 | PL_laststatval = req->result; |
126 | PL_statcache = *(req->statdata); |
154 | PL_statcache = *(req->statdata); |
127 | |
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128 | Safefree (req->statdata); |
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129 | } |
155 | } |
130 | |
156 | |
131 | ENTER; |
157 | ENTER; |
132 | PUSHMARK (SP); |
158 | PUSHMARK (SP); |
133 | XPUSHs (sv_2mortal (newSViv (req->result))); |
159 | XPUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
150 | if (SvOK (req->callback)) |
176 | if (SvOK (req->callback)) |
151 | { |
177 | { |
152 | PUTBACK; |
178 | PUTBACK; |
153 | call_sv (req->callback, G_VOID | G_EVAL); |
179 | call_sv (req->callback, G_VOID | G_EVAL); |
154 | 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 | } |
155 | } |
187 | } |
156 | |
188 | |
157 | LEAVE; |
189 | LEAVE; |
158 | |
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159 | if (req->callback) |
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160 | SvREFCNT_dec (req->callback); |
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161 | |
190 | |
162 | errno = errorno; |
191 | errno = errorno; |
163 | count++; |
192 | count++; |
164 | } |
193 | } |
165 | |
194 | |
166 | prv = req; |
195 | free_req (req); |
167 | req = req->next; |
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168 | Safefree (prv); |
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169 | |
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170 | /* TODO: croak on errors? */ |
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171 | } |
196 | } |
172 | |
197 | |
173 | return count; |
198 | return count; |
174 | } |
199 | } |
175 | |
200 | |
… | |
… | |
196 | } |
221 | } |
197 | |
222 | |
198 | static void |
223 | static void |
199 | send_req (aio_req req) |
224 | send_req (aio_req req) |
200 | { |
225 | { |
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226 | while (started < wanted && nreqs >= started) |
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227 | start_thread (); |
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228 | |
201 | nreqs++; |
229 | nreqs++; |
202 | |
230 | |
203 | pthread_mutex_lock (&reqlock); |
231 | pthread_mutex_lock (&reqlock); |
204 | |
232 | |
205 | req->next = 0; |
233 | req->next = 0; |
… | |
… | |
213 | reqe = reqs = req; |
241 | reqe = reqs = req; |
214 | |
242 | |
215 | pthread_cond_signal (&reqwait); |
243 | pthread_cond_signal (&reqwait); |
216 | pthread_mutex_unlock (&reqlock); |
244 | pthread_mutex_unlock (&reqlock); |
217 | |
245 | |
218 | 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) |
219 | { |
288 | { |
220 | poll_wait (); |
289 | poll_wait (); |
221 | poll_cb (); |
290 | poll_cb (); |
222 | } |
291 | } |
223 | } |
292 | } |
224 | |
293 | |
225 | static void |
294 | static void create_pipe () |
226 | end_thread (void) |
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227 | { |
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 | { |
228 | aio_req req; |
320 | aio_req prv; |
229 | New (0, req, 1, aio_cb); |
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230 | req->type = REQ_QUIT; |
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231 | |
321 | |
232 | send_req (req); |
322 | started = 0; |
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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 (); |
233 | } |
347 | } |
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348 | |
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349 | /*****************************************************************************/ |
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350 | /* work around various missing functions */ |
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351 | |
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352 | #if !HAVE_PREADWRITE |
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353 | # define pread aio_pread |
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354 | # define pwrite aio_pwrite |
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355 | |
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356 | /* |
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357 | * make our pread/pwrite safe against themselves, but not against |
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358 | * normal read/write by using a mutex. slows down execution a lot, |
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359 | * but that's your problem, not mine. |
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360 | */ |
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361 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
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362 | |
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363 | static ssize_t |
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364 | pread (int fd, void *buf, size_t count, off_t offset) |
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365 | { |
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366 | ssize_t res; |
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367 | off_t ooffset; |
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368 | |
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369 | pthread_mutex_lock (&iolock); |
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370 | ooffset = lseek (fd, 0, SEEK_CUR); |
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371 | lseek (fd, offset, SEEK_SET); |
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372 | res = read (fd, buf, count); |
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373 | lseek (fd, ooffset, SEEK_SET); |
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374 | pthread_mutex_unlock (&iolock); |
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375 | |
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376 | return res; |
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377 | } |
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378 | |
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379 | static ssize_t |
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380 | pwrite (int fd, void *buf, size_t count, off_t offset) |
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381 | { |
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382 | ssize_t res; |
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383 | off_t ooffset; |
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384 | |
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385 | pthread_mutex_lock (&iolock); |
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386 | ooffset = lseek (fd, 0, SEEK_CUR); |
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387 | lseek (fd, offset, SEEK_SET); |
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388 | res = write (fd, buf, count); |
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389 | lseek (fd, offset, SEEK_SET); |
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390 | pthread_mutex_unlock (&iolock); |
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391 | |
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392 | return res; |
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393 | } |
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394 | #endif |
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395 | |
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396 | #if !HAVE_FDATASYNC |
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397 | # define fdatasync fsync |
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398 | #endif |
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399 | |
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400 | #if !HAVE_READAHEAD |
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401 | # define readahead aio_readahead |
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402 | |
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403 | static char readahead_buf[4096]; |
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404 | |
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405 | static ssize_t |
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406 | readahead (int fd, off_t offset, size_t count) |
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407 | { |
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408 | while (count > 0) |
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409 | { |
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410 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
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411 | |
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412 | pread (fd, readahead_buf, len, offset); |
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413 | offset += len; |
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414 | count -= len; |
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415 | } |
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416 | |
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417 | errno = 0; |
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418 | } |
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419 | #endif |
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420 | |
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421 | /*****************************************************************************/ |
234 | |
422 | |
235 | static void * |
423 | static void * |
236 | aio_proc (void *thr_arg) |
424 | aio_proc (void *thr_arg) |
237 | { |
425 | { |
238 | aio_req req; |
426 | aio_req req; |
… | |
… | |
266 | |
454 | |
267 | switch (type) |
455 | switch (type) |
268 | { |
456 | { |
269 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
457 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
270 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
458 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
271 | #if SYS_readahead |
459 | |
272 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
460 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
273 | #else |
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274 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
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275 | #endif |
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276 | |
461 | |
277 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
462 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
278 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
463 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
279 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
464 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
280 | |
465 | |
281 | 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; |
282 | case REQ_CLOSE: req->result = close (req->fd); break; |
467 | case REQ_CLOSE: req->result = close (req->fd); break; |
283 | 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; |
284 | |
471 | |
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472 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
285 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
473 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
286 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
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287 | |
474 | |
288 | case REQ_QUIT: |
475 | case REQ_QUIT: |
289 | break; |
476 | break; |
290 | |
477 | |
291 | default: |
478 | default: |
… | |
… | |
317 | while (type != REQ_QUIT); |
504 | while (type != REQ_QUIT); |
318 | |
505 | |
319 | return 0; |
506 | return 0; |
320 | } |
507 | } |
321 | |
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) \ |
|
|
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 | |
322 | MODULE = IO::AIO PACKAGE = IO::AIO |
521 | MODULE = IO::AIO PACKAGE = IO::AIO |
323 | |
522 | |
324 | PROTOTYPES: ENABLE |
523 | PROTOTYPES: ENABLE |
325 | |
524 | |
326 | BOOT: |
525 | BOOT: |
327 | { |
526 | { |
328 | if (pipe (respipe)) |
527 | create_pipe (); |
329 | croak ("unable to initialize result pipe"); |
528 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
330 | |
|
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331 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
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332 | croak ("cannot set result pipe to nonblocking mode"); |
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333 | |
|
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334 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
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335 | croak ("cannot set result pipe to nonblocking mode"); |
|
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336 | } |
529 | } |
337 | |
530 | |
338 | void |
531 | void |
339 | min_parallel(nthreads) |
532 | min_parallel(nthreads) |
340 | int nthreads |
533 | int nthreads |
341 | PROTOTYPE: $ |
534 | PROTOTYPE: $ |
342 | CODE: |
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343 | while (nthreads > started) |
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344 | start_thread (); |
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345 | |
535 | |
346 | void |
536 | void |
347 | max_parallel(nthreads) |
537 | max_parallel(nthreads) |
348 | int nthreads |
538 | int nthreads |
349 | PROTOTYPE: $ |
539 | PROTOTYPE: $ |
350 | CODE: |
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351 | { |
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352 | int cur = started; |
|
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353 | while (cur > nthreads) |
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354 | { |
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355 | end_thread (); |
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356 | cur--; |
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357 | } |
|
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358 | |
|
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359 | while (started > nthreads) |
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360 | { |
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361 | poll_wait (); |
|
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362 | poll_cb (); |
|
|
363 | } |
|
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364 | } |
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|
365 | |
540 | |
366 | int |
541 | int |
367 | max_outstanding(nreqs) |
542 | max_outstanding(nreqs) |
368 | int nreqs |
543 | int nreqs |
369 | PROTOTYPE: $ |
544 | PROTOTYPE: $ |
… | |
… | |
378 | int mode |
553 | int mode |
379 | SV * callback |
554 | SV * callback |
380 | PROTOTYPE: $$$;$ |
555 | PROTOTYPE: $$$;$ |
381 | CODE: |
556 | CODE: |
382 | { |
557 | { |
383 | aio_req req; |
558 | dREQ; |
384 | |
|
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385 | Newz (0, req, 1, aio_cb); |
|
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386 | |
|
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387 | if (!req) |
|
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388 | croak ("out of memory during aio_req allocation"); |
|
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389 | |
559 | |
390 | req->type = REQ_OPEN; |
560 | req->type = REQ_OPEN; |
391 | req->data = newSVsv (pathname); |
561 | req->data = newSVsv (pathname); |
392 | req->dataptr = SvPV_nolen (req->data); |
562 | req->dataptr = SvPVbyte_nolen (req->data); |
393 | req->fd = flags; |
563 | req->fd = flags; |
394 | req->mode = mode; |
564 | req->mode = mode; |
395 | req->callback = SvREFCNT_inc (callback); |
|
|
396 | |
565 | |
397 | send_req (req); |
566 | send_req (req); |
398 | } |
567 | } |
399 | |
568 | |
400 | void |
569 | void |
… | |
… | |
406 | aio_close = REQ_CLOSE |
575 | aio_close = REQ_CLOSE |
407 | aio_fsync = REQ_FSYNC |
576 | aio_fsync = REQ_FSYNC |
408 | aio_fdatasync = REQ_FDATASYNC |
577 | aio_fdatasync = REQ_FDATASYNC |
409 | CODE: |
578 | CODE: |
410 | { |
579 | { |
411 | aio_req req; |
580 | dREQ; |
412 | |
|
|
413 | Newz (0, req, 1, aio_cb); |
|
|
414 | |
|
|
415 | if (!req) |
|
|
416 | croak ("out of memory during aio_req allocation"); |
|
|
417 | |
581 | |
418 | req->type = ix; |
582 | req->type = ix; |
419 | req->fh = newSVsv (fh); |
583 | req->fh = newSVsv (fh); |
420 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
584 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
421 | req->callback = SvREFCNT_inc (callback); |
|
|
422 | |
585 | |
423 | send_req (req); |
586 | send_req (req); |
424 | } |
587 | } |
425 | |
588 | |
426 | void |
589 | void |
… | |
… | |
437 | PROTOTYPE: $$$$$;$ |
600 | PROTOTYPE: $$$$$;$ |
438 | CODE: |
601 | CODE: |
439 | { |
602 | { |
440 | aio_req req; |
603 | aio_req req; |
441 | STRLEN svlen; |
604 | STRLEN svlen; |
442 | char *svptr = SvPV (data, svlen); |
605 | char *svptr = SvPVbyte (data, svlen); |
443 | |
606 | |
444 | SvUPGRADE (data, SVt_PV); |
607 | SvUPGRADE (data, SVt_PV); |
445 | SvPOK_on (data); |
608 | SvPOK_on (data); |
446 | |
609 | |
447 | if (dataoffset < 0) |
610 | if (dataoffset < 0) |
… | |
… | |
463 | } |
626 | } |
464 | |
627 | |
465 | if (length < 0) |
628 | if (length < 0) |
466 | croak ("length must not be negative"); |
629 | croak ("length must not be negative"); |
467 | |
630 | |
468 | Newz (0, req, 1, aio_cb); |
631 | { |
|
|
632 | dREQ; |
469 | |
633 | |
470 | if (!req) |
|
|
471 | croak ("out of memory during aio_req allocation"); |
|
|
472 | |
|
|
473 | req->type = ix; |
634 | req->type = ix; |
474 | req->fh = newSVsv (fh); |
635 | req->fh = newSVsv (fh); |
475 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
636 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
476 | : IoOFP (sv_2io (fh))); |
637 | : IoOFP (sv_2io (fh))); |
477 | req->offset = offset; |
638 | req->offset = offset; |
478 | req->length = length; |
639 | req->length = length; |
479 | req->data = SvREFCNT_inc (data); |
640 | req->data = SvREFCNT_inc (data); |
480 | req->dataptr = (char *)svptr + dataoffset; |
641 | req->dataptr = (char *)svptr + dataoffset; |
481 | req->callback = SvREFCNT_inc (callback); |
|
|
482 | |
642 | |
|
|
643 | if (!SvREADONLY (data)) |
|
|
644 | { |
|
|
645 | SvREADONLY_on (data); |
|
|
646 | req->data2ptr = (void *)data; |
|
|
647 | } |
|
|
648 | |
483 | send_req (req); |
649 | send_req (req); |
|
|
650 | } |
484 | } |
651 | } |
485 | |
652 | |
486 | void |
653 | void |
487 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
654 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
488 | SV * fh |
655 | SV * fh |
… | |
… | |
490 | IV length |
657 | IV length |
491 | SV * callback |
658 | SV * callback |
492 | PROTOTYPE: $$$;$ |
659 | PROTOTYPE: $$$;$ |
493 | CODE: |
660 | CODE: |
494 | { |
661 | { |
495 | aio_req req; |
662 | dREQ; |
496 | |
|
|
497 | if (length < 0) |
|
|
498 | croak ("length must not be negative"); |
|
|
499 | |
|
|
500 | Newz (0, req, 1, aio_cb); |
|
|
501 | |
|
|
502 | if (!req) |
|
|
503 | croak ("out of memory during aio_req allocation"); |
|
|
504 | |
663 | |
505 | req->type = REQ_READAHEAD; |
664 | req->type = REQ_READAHEAD; |
506 | req->fh = newSVsv (fh); |
665 | req->fh = newSVsv (fh); |
507 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
666 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
508 | req->offset = offset; |
667 | req->offset = offset; |
509 | req->length = length; |
668 | req->length = length; |
510 | req->callback = SvREFCNT_inc (callback); |
|
|
511 | |
669 | |
512 | send_req (req); |
670 | send_req (req); |
513 | } |
671 | } |
514 | |
672 | |
515 | void |
673 | void |
… | |
… | |
519 | ALIAS: |
677 | ALIAS: |
520 | aio_stat = REQ_STAT |
678 | aio_stat = REQ_STAT |
521 | aio_lstat = REQ_LSTAT |
679 | aio_lstat = REQ_LSTAT |
522 | CODE: |
680 | CODE: |
523 | { |
681 | { |
524 | aio_req req; |
682 | dREQ; |
525 | |
|
|
526 | Newz (0, req, 1, aio_cb); |
|
|
527 | |
|
|
528 | if (!req) |
|
|
529 | croak ("out of memory during aio_req allocation"); |
|
|
530 | |
683 | |
531 | New (0, req->statdata, 1, Stat_t); |
684 | New (0, req->statdata, 1, Stat_t); |
532 | |
|
|
533 | if (!req->statdata) |
685 | if (!req->statdata) |
|
|
686 | { |
|
|
687 | free_req (req); |
534 | croak ("out of memory during aio_req->statdata allocation"); |
688 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
689 | } |
535 | |
690 | |
536 | if (SvPOK (fh_or_path)) |
691 | if (SvPOK (fh_or_path)) |
537 | { |
692 | { |
538 | req->type = ix; |
693 | req->type = ix; |
539 | req->data = newSVsv (fh_or_path); |
694 | req->data = newSVsv (fh_or_path); |
540 | req->dataptr = SvPV_nolen (req->data); |
695 | req->dataptr = SvPVbyte_nolen (req->data); |
541 | } |
696 | } |
542 | else |
697 | else |
543 | { |
698 | { |
544 | req->type = REQ_FSTAT; |
699 | req->type = REQ_FSTAT; |
545 | req->fh = newSVsv (fh_or_path); |
700 | req->fh = newSVsv (fh_or_path); |
546 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
701 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
547 | } |
702 | } |
548 | |
703 | |
549 | req->callback = SvREFCNT_inc (callback); |
|
|
550 | |
|
|
551 | send_req (req); |
704 | send_req (req); |
552 | } |
705 | } |
553 | |
706 | |
554 | void |
707 | void |
555 | aio_unlink(pathname,callback=&PL_sv_undef) |
708 | aio_unlink(pathname,callback=&PL_sv_undef) |
556 | SV * pathname |
709 | SV * pathname |
557 | SV * callback |
710 | SV * callback |
|
|
711 | ALIAS: |
|
|
712 | aio_unlink = REQ_UNLINK |
|
|
713 | aio_rmdir = REQ_RMDIR |
558 | CODE: |
714 | CODE: |
559 | { |
715 | { |
560 | aio_req req; |
716 | dREQ; |
561 | |
717 | |
562 | Newz (0, req, 1, aio_cb); |
718 | req->type = ix; |
|
|
719 | req->data = newSVsv (pathname); |
|
|
720 | req->dataptr = SvPVbyte_nolen (req->data); |
563 | |
721 | |
564 | if (!req) |
722 | send_req (req); |
565 | 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; |
566 | |
733 | |
567 | req->type = REQ_UNLINK; |
734 | req->type = REQ_SYMLINK; |
|
|
735 | req->fh = newSVsv (oldpath); |
|
|
736 | req->data2ptr = SvPVbyte_nolen (req->fh); |
568 | req->data = newSVsv (pathname); |
737 | req->data = newSVsv (newpath); |
569 | req->dataptr = SvPV_nolen (req->data); |
738 | req->dataptr = SvPVbyte_nolen (req->data); |
570 | req->callback = SvREFCNT_inc (callback); |
|
|
571 | |
739 | |
572 | send_req (req); |
740 | send_req (req); |
573 | } |
741 | } |
574 | |
742 | |
575 | void |
743 | void |