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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" |
… | |
… | |
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 | |
… | |
… | |
61 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
66 | static pthread_mutex_t reqlock = 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 */ |
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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 | } |
66 | |
88 | |
67 | static void |
89 | static void |
68 | poll_wait () |
90 | poll_wait () |
69 | { |
91 | { |
70 | if (nreqs && !ress) |
92 | if (nreqs && !ress) |
… | |
… | |
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 | |
87 | pthread_mutex_lock (&reslock); |
110 | for (;;) |
88 | |
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89 | { |
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90 | /* read any signals sent by the worker threads */ |
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91 | char buf [32]; |
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92 | while (read (respipe [0], buf, 32) > 0) |
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93 | ; |
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94 | } |
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95 | |
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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); |
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100 | |
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101 | while (req) |
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102 | { |
111 | { |
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112 | pthread_mutex_lock (&reslock); |
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113 | req = ress; |
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114 | |
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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 | { |
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121 | rese = 0; |
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122 | |
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123 | /* read any signals sent by the worker threads */ |
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124 | char buf [32]; |
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125 | while (read (respipe [0], buf, 32) == 32) |
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126 | ; |
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127 | } |
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128 | } |
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129 | |
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130 | pthread_mutex_unlock (&reslock); |
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131 | |
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132 | if (!req) |
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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 | |
… | |
… | |
213 | reqe = reqs = req; |
238 | reqe = reqs = req; |
214 | |
239 | |
215 | pthread_cond_signal (&reqwait); |
240 | pthread_cond_signal (&reqwait); |
216 | pthread_mutex_unlock (&reqlock); |
241 | pthread_mutex_unlock (&reqlock); |
217 | |
242 | |
218 | while (nreqs > max_outstanding) |
243 | if (nreqs > max_outstanding) |
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244 | for (;;) |
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245 | { |
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246 | poll_cb (); |
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247 | |
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248 | if (nreqs <= max_outstanding) |
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249 | break; |
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250 | |
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251 | poll_wait (); |
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252 | } |
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253 | } |
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254 | |
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255 | static void |
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256 | end_thread (void) |
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257 | { |
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258 | aio_req req; |
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259 | Newz (0, req, 1, aio_cb); |
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260 | req->type = REQ_QUIT; |
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261 | |
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262 | send_req (req); |
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263 | } |
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264 | |
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265 | static void min_parallel (int nthreads) |
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266 | { |
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267 | while (nthreads > started) |
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268 | start_thread (); |
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269 | } |
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270 | |
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271 | static void max_parallel (int nthreads) |
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272 | { |
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273 | int cur = started; |
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274 | |
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275 | while (cur > nthreads) |
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276 | { |
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277 | end_thread (); |
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278 | cur--; |
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279 | } |
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280 | |
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281 | while (started > nthreads) |
219 | { |
282 | { |
220 | poll_wait (); |
283 | poll_wait (); |
221 | poll_cb (); |
284 | poll_cb (); |
222 | } |
285 | } |
223 | } |
286 | } |
224 | |
287 | |
225 | static void |
288 | static void create_pipe () |
226 | end_thread (void) |
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227 | { |
289 | { |
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290 | if (pipe (respipe)) |
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291 | croak ("unable to initialize result pipe"); |
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292 | |
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293 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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294 | croak ("cannot set result pipe to nonblocking mode"); |
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295 | |
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296 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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297 | croak ("cannot set result pipe to nonblocking mode"); |
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298 | } |
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299 | |
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300 | static void atfork_prepare (void) |
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301 | { |
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302 | pthread_mutex_lock (&reqlock); |
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303 | pthread_mutex_lock (&reslock); |
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304 | } |
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305 | |
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306 | static void atfork_parent (void) |
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307 | { |
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308 | pthread_mutex_unlock (&reslock); |
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309 | pthread_mutex_unlock (&reqlock); |
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310 | } |
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311 | |
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312 | static void atfork_child (void) |
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313 | { |
228 | aio_req req; |
314 | aio_req prv; |
229 | New (0, req, 1, aio_cb); |
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230 | req->type = REQ_QUIT; |
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231 | |
315 | |
232 | send_req (req); |
316 | int restart = started; |
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317 | started = 0; |
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318 | |
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319 | while (reqs) |
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320 | { |
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321 | prv = reqs; |
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322 | reqs = prv->next; |
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323 | free_req (prv); |
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324 | } |
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325 | |
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326 | reqs = reqe = 0; |
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327 | |
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328 | while (ress) |
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329 | { |
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330 | prv = ress; |
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331 | ress = prv->next; |
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332 | free_req (prv); |
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333 | } |
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334 | |
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335 | ress = rese = 0; |
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336 | |
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337 | close (respipe [0]); |
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338 | close (respipe [1]); |
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339 | create_pipe (); |
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340 | |
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341 | atfork_parent (); |
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342 | |
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343 | min_parallel (restart); |
233 | } |
344 | } |
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345 | |
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346 | /*****************************************************************************/ |
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347 | /* work around various missing functions */ |
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348 | |
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349 | #if !HAVE_PREADWRITE |
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350 | # define pread aio_pread |
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351 | # define pwrite aio_pwrite |
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352 | |
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353 | /* |
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354 | * make our pread/pwrite safe against themselves, but not against |
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355 | * normal read/write by using a mutex. slows down execution a lot, |
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356 | * but that's your problem, not mine. |
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357 | */ |
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358 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
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359 | |
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360 | static ssize_t |
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361 | pread (int fd, void *buf, size_t count, off_t offset) |
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362 | { |
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363 | ssize_t res; |
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364 | off_t ooffset; |
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365 | |
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366 | pthread_mutex_lock (&iolock); |
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367 | ooffset = lseek (fd, 0, SEEK_CUR); |
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368 | lseek (fd, offset, SEEK_SET); |
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369 | res = read (fd, buf, count); |
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370 | lseek (fd, ooffset, SEEK_SET); |
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371 | pthread_mutex_unlock (&iolock); |
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372 | |
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373 | return res; |
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374 | } |
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375 | |
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376 | static ssize_t |
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377 | pwrite (int fd, void *buf, size_t count, off_t offset) |
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378 | { |
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379 | ssize_t res; |
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380 | off_t ooffset; |
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381 | |
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382 | pthread_mutex_lock (&iolock); |
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383 | ooffset = lseek (fd, 0, SEEK_CUR); |
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384 | lseek (fd, offset, SEEK_SET); |
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385 | res = write (fd, buf, count); |
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386 | lseek (fd, offset, SEEK_SET); |
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387 | pthread_mutex_unlock (&iolock); |
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388 | |
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389 | return res; |
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390 | } |
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391 | #endif |
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392 | |
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393 | #if !HAVE_FDATASYNC |
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394 | # define fdatasync fsync |
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395 | #endif |
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396 | |
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397 | #if !HAVE_READAHEAD |
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398 | # define readahead aio_readahead |
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399 | |
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400 | static char readahead_buf[4096]; |
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401 | |
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402 | static ssize_t |
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403 | readahead (int fd, off_t offset, size_t count) |
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404 | { |
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405 | while (count > 0) |
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406 | { |
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407 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
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408 | |
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409 | pread (fd, readahead_buf, len, offset); |
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410 | offset += len; |
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411 | count -= len; |
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412 | } |
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413 | |
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414 | errno = 0; |
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415 | } |
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416 | #endif |
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417 | |
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418 | /*****************************************************************************/ |
234 | |
419 | |
235 | static void * |
420 | static void * |
236 | aio_proc (void *thr_arg) |
421 | aio_proc (void *thr_arg) |
237 | { |
422 | { |
238 | aio_req req; |
423 | aio_req req; |
… | |
… | |
264 | |
449 | |
265 | type = req->type; |
450 | type = req->type; |
266 | |
451 | |
267 | switch (type) |
452 | switch (type) |
268 | { |
453 | { |
269 | #if HAVE_PREADWRITE |
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270 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
454 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
271 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
455 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
272 | #else |
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273 | # error "pread/pwrite cannot be emulated, fix your os" |
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274 | #endif |
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275 | |
456 | |
276 | #if HAVE_READAHEAD |
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277 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
457 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
278 | #else |
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279 | // TODO: emulate |
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280 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
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281 | #endif |
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282 | |
458 | |
283 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
459 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
284 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
460 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
285 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
461 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
286 | |
462 | |
287 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
463 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
288 | case REQ_CLOSE: req->result = close (req->fd); break; |
464 | case REQ_CLOSE: req->result = close (req->fd); break; |
289 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
465 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
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466 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
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467 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
290 | |
468 | |
291 | case REQ_FDATASYNC: |
469 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
292 | #if HAVE_FDATASYNC |
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293 | req->result = fdatasync (req->fd); break; |
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294 | #endif |
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295 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
470 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
296 | |
471 | |
297 | case REQ_QUIT: |
472 | case REQ_QUIT: |
298 | break; |
473 | break; |
299 | |
474 | |
… | |
… | |
326 | while (type != REQ_QUIT); |
501 | while (type != REQ_QUIT); |
327 | |
502 | |
328 | return 0; |
503 | return 0; |
329 | } |
504 | } |
330 | |
505 | |
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506 | #define dREQ \ |
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507 | aio_req req; \ |
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508 | \ |
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509 | if (SvOK (callback) && !SvROK (callback)) \ |
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510 | croak ("clalback must be undef or of reference type"); \ |
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511 | \ |
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512 | Newz (0, req, 1, aio_cb); \ |
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513 | if (!req) \ |
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514 | croak ("out of memory during aio_req allocation"); \ |
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515 | \ |
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516 | req->callback = newSVsv (callback); |
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517 | |
331 | MODULE = IO::AIO PACKAGE = IO::AIO |
518 | MODULE = IO::AIO PACKAGE = IO::AIO |
332 | |
519 | |
333 | PROTOTYPES: ENABLE |
520 | PROTOTYPES: ENABLE |
334 | |
521 | |
335 | BOOT: |
522 | BOOT: |
336 | { |
523 | { |
337 | if (pipe (respipe)) |
524 | create_pipe (); |
338 | croak ("unable to initialize result pipe"); |
525 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
339 | |
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340 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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341 | croak ("cannot set result pipe to nonblocking mode"); |
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342 | |
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343 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
344 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
345 | } |
526 | } |
346 | |
527 | |
347 | void |
528 | void |
348 | min_parallel(nthreads) |
529 | min_parallel(nthreads) |
349 | int nthreads |
530 | int nthreads |
350 | PROTOTYPE: $ |
531 | PROTOTYPE: $ |
351 | CODE: |
|
|
352 | while (nthreads > started) |
|
|
353 | start_thread (); |
|
|
354 | |
532 | |
355 | void |
533 | void |
356 | max_parallel(nthreads) |
534 | max_parallel(nthreads) |
357 | int nthreads |
535 | int nthreads |
358 | PROTOTYPE: $ |
536 | PROTOTYPE: $ |
359 | CODE: |
|
|
360 | { |
|
|
361 | int cur = started; |
|
|
362 | while (cur > nthreads) |
|
|
363 | { |
|
|
364 | end_thread (); |
|
|
365 | cur--; |
|
|
366 | } |
|
|
367 | |
|
|
368 | while (started > nthreads) |
|
|
369 | { |
|
|
370 | poll_wait (); |
|
|
371 | poll_cb (); |
|
|
372 | } |
|
|
373 | } |
|
|
374 | |
537 | |
375 | int |
538 | int |
376 | max_outstanding(nreqs) |
539 | max_outstanding(nreqs) |
377 | int nreqs |
540 | int nreqs |
378 | PROTOTYPE: $ |
541 | PROTOTYPE: $ |
… | |
… | |
387 | int mode |
550 | int mode |
388 | SV * callback |
551 | SV * callback |
389 | PROTOTYPE: $$$;$ |
552 | PROTOTYPE: $$$;$ |
390 | CODE: |
553 | CODE: |
391 | { |
554 | { |
392 | aio_req req; |
555 | dREQ; |
393 | |
|
|
394 | Newz (0, req, 1, aio_cb); |
|
|
395 | |
|
|
396 | if (!req) |
|
|
397 | croak ("out of memory during aio_req allocation"); |
|
|
398 | |
556 | |
399 | req->type = REQ_OPEN; |
557 | req->type = REQ_OPEN; |
400 | req->data = newSVsv (pathname); |
558 | req->data = newSVsv (pathname); |
401 | req->dataptr = SvPV_nolen (req->data); |
559 | req->dataptr = SvPVbyte_nolen (req->data); |
402 | req->fd = flags; |
560 | req->fd = flags; |
403 | req->mode = mode; |
561 | req->mode = mode; |
404 | req->callback = SvREFCNT_inc (callback); |
|
|
405 | |
562 | |
406 | send_req (req); |
563 | send_req (req); |
407 | } |
564 | } |
408 | |
565 | |
409 | void |
566 | void |
… | |
… | |
415 | aio_close = REQ_CLOSE |
572 | aio_close = REQ_CLOSE |
416 | aio_fsync = REQ_FSYNC |
573 | aio_fsync = REQ_FSYNC |
417 | aio_fdatasync = REQ_FDATASYNC |
574 | aio_fdatasync = REQ_FDATASYNC |
418 | CODE: |
575 | CODE: |
419 | { |
576 | { |
420 | aio_req req; |
577 | dREQ; |
421 | |
|
|
422 | Newz (0, req, 1, aio_cb); |
|
|
423 | |
|
|
424 | if (!req) |
|
|
425 | croak ("out of memory during aio_req allocation"); |
|
|
426 | |
578 | |
427 | req->type = ix; |
579 | req->type = ix; |
428 | req->fh = newSVsv (fh); |
580 | req->fh = newSVsv (fh); |
429 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
581 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
430 | req->callback = SvREFCNT_inc (callback); |
|
|
431 | |
582 | |
432 | send_req (req); |
583 | send_req (req); |
433 | } |
584 | } |
434 | |
585 | |
435 | void |
586 | void |
… | |
… | |
446 | PROTOTYPE: $$$$$;$ |
597 | PROTOTYPE: $$$$$;$ |
447 | CODE: |
598 | CODE: |
448 | { |
599 | { |
449 | aio_req req; |
600 | aio_req req; |
450 | STRLEN svlen; |
601 | STRLEN svlen; |
451 | char *svptr = SvPV (data, svlen); |
602 | char *svptr = SvPVbyte (data, svlen); |
452 | |
603 | |
453 | SvUPGRADE (data, SVt_PV); |
604 | SvUPGRADE (data, SVt_PV); |
454 | SvPOK_on (data); |
605 | SvPOK_on (data); |
455 | |
606 | |
456 | if (dataoffset < 0) |
607 | if (dataoffset < 0) |
… | |
… | |
472 | } |
623 | } |
473 | |
624 | |
474 | if (length < 0) |
625 | if (length < 0) |
475 | croak ("length must not be negative"); |
626 | croak ("length must not be negative"); |
476 | |
627 | |
477 | Newz (0, req, 1, aio_cb); |
628 | { |
|
|
629 | dREQ; |
478 | |
630 | |
479 | if (!req) |
|
|
480 | croak ("out of memory during aio_req allocation"); |
|
|
481 | |
|
|
482 | req->type = ix; |
631 | req->type = ix; |
483 | req->fh = newSVsv (fh); |
632 | req->fh = newSVsv (fh); |
484 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
633 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
485 | : IoOFP (sv_2io (fh))); |
634 | : IoOFP (sv_2io (fh))); |
486 | req->offset = offset; |
635 | req->offset = offset; |
487 | req->length = length; |
636 | req->length = length; |
488 | req->data = SvREFCNT_inc (data); |
637 | req->data = SvREFCNT_inc (data); |
489 | req->dataptr = (char *)svptr + dataoffset; |
638 | req->dataptr = (char *)svptr + dataoffset; |
490 | req->callback = SvREFCNT_inc (callback); |
|
|
491 | |
639 | |
|
|
640 | if (!SvREADONLY (data)) |
|
|
641 | { |
|
|
642 | SvREADONLY_on (data); |
|
|
643 | req->data2ptr = (void *)data; |
|
|
644 | } |
|
|
645 | |
492 | send_req (req); |
646 | send_req (req); |
|
|
647 | } |
493 | } |
648 | } |
494 | |
649 | |
495 | void |
650 | void |
496 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
651 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
497 | SV * fh |
652 | SV * fh |
… | |
… | |
499 | IV length |
654 | IV length |
500 | SV * callback |
655 | SV * callback |
501 | PROTOTYPE: $$$;$ |
656 | PROTOTYPE: $$$;$ |
502 | CODE: |
657 | CODE: |
503 | { |
658 | { |
504 | aio_req req; |
659 | dREQ; |
505 | |
|
|
506 | if (length < 0) |
|
|
507 | croak ("length must not be negative"); |
|
|
508 | |
|
|
509 | Newz (0, req, 1, aio_cb); |
|
|
510 | |
|
|
511 | if (!req) |
|
|
512 | croak ("out of memory during aio_req allocation"); |
|
|
513 | |
660 | |
514 | req->type = REQ_READAHEAD; |
661 | req->type = REQ_READAHEAD; |
515 | req->fh = newSVsv (fh); |
662 | req->fh = newSVsv (fh); |
516 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
663 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
517 | req->offset = offset; |
664 | req->offset = offset; |
518 | req->length = length; |
665 | req->length = length; |
519 | req->callback = SvREFCNT_inc (callback); |
|
|
520 | |
666 | |
521 | send_req (req); |
667 | send_req (req); |
522 | } |
668 | } |
523 | |
669 | |
524 | void |
670 | void |
… | |
… | |
528 | ALIAS: |
674 | ALIAS: |
529 | aio_stat = REQ_STAT |
675 | aio_stat = REQ_STAT |
530 | aio_lstat = REQ_LSTAT |
676 | aio_lstat = REQ_LSTAT |
531 | CODE: |
677 | CODE: |
532 | { |
678 | { |
533 | aio_req req; |
679 | dREQ; |
534 | |
|
|
535 | Newz (0, req, 1, aio_cb); |
|
|
536 | |
|
|
537 | if (!req) |
|
|
538 | croak ("out of memory during aio_req allocation"); |
|
|
539 | |
680 | |
540 | New (0, req->statdata, 1, Stat_t); |
681 | New (0, req->statdata, 1, Stat_t); |
541 | |
|
|
542 | if (!req->statdata) |
682 | if (!req->statdata) |
|
|
683 | { |
|
|
684 | free_req (req); |
543 | croak ("out of memory during aio_req->statdata allocation"); |
685 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
686 | } |
544 | |
687 | |
545 | if (SvPOK (fh_or_path)) |
688 | if (SvPOK (fh_or_path)) |
546 | { |
689 | { |
547 | req->type = ix; |
690 | req->type = ix; |
548 | req->data = newSVsv (fh_or_path); |
691 | req->data = newSVsv (fh_or_path); |
549 | req->dataptr = SvPV_nolen (req->data); |
692 | req->dataptr = SvPVbyte_nolen (req->data); |
550 | } |
693 | } |
551 | else |
694 | else |
552 | { |
695 | { |
553 | req->type = REQ_FSTAT; |
696 | req->type = REQ_FSTAT; |
554 | req->fh = newSVsv (fh_or_path); |
697 | req->fh = newSVsv (fh_or_path); |
555 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
698 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
556 | } |
699 | } |
557 | |
700 | |
558 | req->callback = SvREFCNT_inc (callback); |
|
|
559 | |
|
|
560 | send_req (req); |
701 | send_req (req); |
561 | } |
702 | } |
562 | |
703 | |
563 | void |
704 | void |
564 | aio_unlink(pathname,callback=&PL_sv_undef) |
705 | aio_unlink(pathname,callback=&PL_sv_undef) |
565 | SV * pathname |
706 | SV * pathname |
566 | SV * callback |
707 | SV * callback |
|
|
708 | ALIAS: |
|
|
709 | aio_unlink = REQ_UNLINK |
|
|
710 | aio_rmdir = REQ_RMDIR |
567 | CODE: |
711 | CODE: |
568 | { |
712 | { |
569 | aio_req req; |
713 | dREQ; |
570 | |
714 | |
571 | Newz (0, req, 1, aio_cb); |
715 | req->type = ix; |
|
|
716 | req->data = newSVsv (pathname); |
|
|
717 | req->dataptr = SvPVbyte_nolen (req->data); |
572 | |
718 | |
573 | if (!req) |
719 | send_req (req); |
574 | croak ("out of memory during aio_req allocation"); |
720 | } |
|
|
721 | |
|
|
722 | void |
|
|
723 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
|
|
724 | SV * oldpath |
|
|
725 | SV * newpath |
|
|
726 | SV * callback |
|
|
727 | CODE: |
|
|
728 | { |
|
|
729 | dREQ; |
575 | |
730 | |
576 | req->type = REQ_UNLINK; |
731 | req->type = REQ_SYMLINK; |
|
|
732 | req->fh = newSVsv (oldpath); |
|
|
733 | req->data2ptr = SvPVbyte_nolen (req->fh); |
577 | req->data = newSVsv (pathname); |
734 | req->data = newSVsv (newpath); |
578 | req->dataptr = SvPV_nolen (req->data); |
735 | req->dataptr = SvPVbyte_nolen (req->data); |
579 | req->callback = SvREFCNT_inc (callback); |
|
|
580 | |
736 | |
581 | send_req (req); |
737 | send_req (req); |
582 | } |
738 | } |
583 | |
739 | |
584 | void |
740 | void |