1 | #include "eio.h" |
1 | #include "eio.h" |
2 | #include "xthread.h" |
2 | #include "xthread.h" |
3 | |
3 | |
4 | #include <errno.h> |
4 | #include <errno.h> |
5 | |
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6 | #include "EXTERN.h" |
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7 | #include "perl.h" |
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8 | #include "XSUB.h" |
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9 | |
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10 | #include <stddef.h> |
5 | #include <stddef.h> |
11 | #include <stdlib.h> |
6 | #include <stdlib.h> |
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7 | #include <string.h> |
12 | #include <errno.h> |
8 | #include <errno.h> |
13 | #include <sys/types.h> |
9 | #include <sys/types.h> |
14 | #include <sys/stat.h> |
10 | #include <sys/stat.h> |
15 | #include <limits.h> |
11 | #include <limits.h> |
16 | #include <fcntl.h> |
12 | #include <fcntl.h> |
17 | #include <sched.h> |
13 | #include <assert.h> |
18 | |
14 | |
19 | #ifndef EIO_FINISH |
15 | #ifndef EIO_FINISH |
20 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
16 | # define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0 |
21 | #endif |
17 | #endif |
22 | |
18 | |
… | |
… | |
38 | # include <sys/time.h> |
34 | # include <sys/time.h> |
39 | # include <sys/select.h> |
35 | # include <sys/select.h> |
40 | # include <unistd.h> |
36 | # include <unistd.h> |
41 | # include <utime.h> |
37 | # include <utime.h> |
42 | # include <signal.h> |
38 | # include <signal.h> |
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39 | # include <dirent.h> |
43 | |
40 | |
44 | # ifndef EIO_STRUCT_DIRENT |
41 | # ifndef EIO_STRUCT_DIRENT |
45 | # define EIO_STRUCT_DIRENT struct dirent |
42 | # define EIO_STRUCT_DIRENT struct dirent |
46 | # endif |
43 | # endif |
47 | |
44 | |
48 | #endif |
45 | #endif |
49 | |
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50 | # ifndef EIO_STRUCT_STAT |
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51 | # define EIO_STRUCT_STAT struct stat |
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52 | # endif |
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53 | |
46 | |
54 | #if HAVE_SENDFILE |
47 | #if HAVE_SENDFILE |
55 | # if __linux |
48 | # if __linux |
56 | # include <sys/sendfile.h> |
49 | # include <sys/sendfile.h> |
57 | # elif __freebsd |
50 | # elif __freebsd |
… | |
… | |
77 | /* buffer size for various temporary buffers */ |
70 | /* buffer size for various temporary buffers */ |
78 | #define EIO_BUFSIZE 65536 |
71 | #define EIO_BUFSIZE 65536 |
79 | |
72 | |
80 | #define dBUF \ |
73 | #define dBUF \ |
81 | char *eio_buf; \ |
74 | char *eio_buf; \ |
82 | X_LOCK (wrklock); \ |
75 | X_LOCK (etplock); \ |
83 | self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \ |
76 | self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \ |
84 | X_UNLOCK (wrklock); \ |
77 | X_UNLOCK (etplock); \ |
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78 | errno = ENOMEM; \ |
85 | if (!eio_buf) \ |
79 | if (!eio_buf) \ |
86 | return -1; |
80 | return -1; |
87 | |
81 | |
88 | #define EIO_TICKS ((1000000 + 1023) >> 10) |
82 | #define EIO_TICKS ((1000000 + 1023) >> 10) |
89 | |
83 | |
90 | static void (*want_poll_cb) (void); |
84 | /*****************************************************************************/ |
91 | static void (*done_poll_cb) (void); |
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92 | |
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93 | static unsigned int max_poll_time = 0; |
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94 | static unsigned int max_poll_reqs = 0; |
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95 | |
85 | |
96 | /* calculcate time difference in ~1/EIO_TICKS of a second */ |
86 | /* calculcate time difference in ~1/EIO_TICKS of a second */ |
97 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
87 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
98 | { |
88 | { |
99 | return (tv2->tv_sec - tv1->tv_sec ) * EIO_TICKS |
89 | return (tv2->tv_sec - tv1->tv_sec ) * EIO_TICKS |
100 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
90 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
101 | } |
91 | } |
102 | |
92 | |
103 | static unsigned int started, idle, wanted; |
93 | static unsigned int started, idle, wanted = 4; |
104 | |
94 | |
105 | /* worker threads management */ |
95 | typedef struct etp_pool |
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96 | { |
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97 | void (*want_poll_cb) (void); |
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98 | void (*done_poll_cb) (void); |
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99 | |
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100 | unsigned int max_poll_time; |
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101 | unsigned int max_poll_reqs; |
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102 | } etp_pool; |
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103 | |
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104 | static volatile unsigned int nreqs, nready, npending; |
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105 | static volatile unsigned int max_idle = 4; |
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106 | |
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107 | static mutex_t etplock = X_MUTEX_INIT; |
106 | static mutex_t wrklock = X_MUTEX_INIT; |
108 | static mutex_t reslock = X_MUTEX_INIT; |
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109 | static mutex_t reqlock = X_MUTEX_INIT; |
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110 | static cond_t reqwait = X_COND_INIT; |
107 | |
111 | |
108 | typedef struct worker { |
112 | typedef struct worker |
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113 | { |
109 | /* locked by wrklock */ |
114 | /* locked by etplock */ |
110 | struct worker *prev, *next; |
115 | struct worker *prev, *next; |
111 | |
116 | |
112 | thread_t tid; |
117 | thread_t tid; |
113 | |
118 | |
114 | /* locked by reslock, reqlock or wrklock */ |
119 | /* locked by reslock, reqlock or etplock */ |
115 | eio_req *req; /* currently processed request */ |
120 | eio_req *req; /* currently processed request */ |
116 | void *dbuf; |
121 | void *dbuf; |
117 | DIR *dirp; |
122 | DIR *dirp; |
118 | } worker; |
123 | } worker; |
119 | |
124 | |
120 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
125 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; /* NOT etp */ |
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126 | |
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127 | /* worker threads management */ |
121 | |
128 | |
122 | static void worker_clear (worker *wrk) |
129 | static void worker_clear (worker *wrk) |
123 | { |
130 | { |
124 | if (wrk->dirp) |
131 | if (wrk->dirp) |
125 | { |
132 | { |
… | |
… | |
139 | wrk->next->prev = wrk->prev; |
146 | wrk->next->prev = wrk->prev; |
140 | wrk->prev->next = wrk->next; |
147 | wrk->prev->next = wrk->next; |
141 | |
148 | |
142 | free (wrk); |
149 | free (wrk); |
143 | } |
150 | } |
144 | |
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145 | static volatile unsigned int nreqs, nready, npending; |
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146 | static volatile unsigned int max_idle = 4; |
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147 | |
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148 | static mutex_t reslock = X_MUTEX_INIT; |
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149 | static mutex_t reqlock = X_MUTEX_INIT; |
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150 | static cond_t reqwait = X_COND_INIT; |
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151 | |
151 | |
152 | unsigned int eio_nreqs (void) |
152 | unsigned int eio_nreqs (void) |
153 | { |
153 | { |
154 | return nreqs; |
154 | return nreqs; |
155 | } |
155 | } |
… | |
… | |
239 | } |
239 | } |
240 | |
240 | |
241 | abort (); |
241 | abort (); |
242 | } |
242 | } |
243 | |
243 | |
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244 | static void etp_atfork_prepare (void) |
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245 | { |
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246 | X_LOCK (etplock); |
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247 | X_LOCK (reqlock); |
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248 | X_LOCK (reslock); |
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249 | #if !HAVE_PREADWRITE |
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250 | X_LOCK (preadwritelock); |
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251 | #endif |
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252 | #if !HAVE_READDIR_R |
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253 | X_LOCK (readdirlock); |
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254 | #endif |
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255 | } |
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256 | |
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257 | static void etp_atfork_parent (void) |
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258 | { |
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259 | #if !HAVE_READDIR_R |
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260 | X_UNLOCK (readdirlock); |
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261 | #endif |
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262 | #if !HAVE_PREADWRITE |
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263 | X_UNLOCK (preadwritelock); |
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264 | #endif |
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265 | X_UNLOCK (reslock); |
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266 | X_UNLOCK (reqlock); |
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267 | X_UNLOCK (etplock); |
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268 | } |
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269 | |
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270 | static void etp_atfork_child (void) |
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271 | { |
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272 | eio_req *prv; |
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273 | |
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274 | while (prv = reqq_shift (&req_queue)) |
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275 | eio_destroy (prv); |
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276 | |
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277 | while (prv = reqq_shift (&res_queue)) |
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278 | eio_destroy (prv); |
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279 | |
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280 | while (wrk_first.next != &wrk_first) |
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281 | { |
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282 | worker *wrk = wrk_first.next; |
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283 | |
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284 | if (wrk->req) |
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285 | eio_destroy (wrk->req); |
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286 | |
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287 | worker_clear (wrk); |
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288 | worker_free (wrk); |
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289 | } |
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290 | |
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291 | started = 0; |
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292 | idle = 0; |
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293 | nreqs = 0; |
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294 | nready = 0; |
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295 | npending = 0; |
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296 | |
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297 | etp_atfork_parent (); |
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298 | } |
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299 | |
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300 | static void |
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301 | etp_once_init (void) |
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302 | { |
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303 | X_THREAD_ATFORK (etp_atfork_prepare, etp_atfork_parent, etp_atfork_child); |
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304 | } |
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305 | |
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306 | static int |
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307 | etp_init (etp_pool *etp, void (*want_poll)(void), void (*done_poll)(void)) |
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308 | { |
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309 | static pthread_once_t doinit = PTHREAD_ONCE_INIT; |
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310 | |
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311 | pthread_once (&doinit, etp_once_init); |
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312 | |
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313 | memset (etp, 0, sizeof *etp); |
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314 | |
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315 | etp->want_poll_cb = want_poll; |
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316 | etp->done_poll_cb = done_poll; |
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317 | } |
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318 | |
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319 | static etp_pool etp; |
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320 | |
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321 | /*****************************************************************************/ |
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322 | |
244 | static void grp_try_feed (eio_req *grp) |
323 | static void grp_try_feed (eio_req *grp) |
245 | { |
324 | { |
246 | while (grp->size < grp->int2 && !EIO_CANCELLED (grp)) |
325 | while (grp->size < grp->int2 && !EIO_CANCELLED (grp)) |
247 | { |
326 | { |
248 | int old_len = grp->size; |
327 | int old_len = grp->size; |
… | |
… | |
274 | return 0; |
353 | return 0; |
275 | } |
354 | } |
276 | |
355 | |
277 | void eio_destroy (eio_req *req) |
356 | void eio_destroy (eio_req *req) |
278 | { |
357 | { |
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358 | if ((req)->flags & EIO_FLAG_PTR1_FREE) free (req->ptr1); |
279 | if ((req)->flags & EIO_FLAG_PTR2_FREE) |
359 | if ((req)->flags & EIO_FLAG_PTR2_FREE) free (req->ptr2); |
280 | free (req->ptr2); |
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281 | |
360 | |
282 | EIO_DESTROY (req); |
361 | EIO_DESTROY (req); |
283 | } |
362 | } |
284 | |
363 | |
285 | static int eio_finish (eio_req *req) |
364 | static int eio_finish (eio_req *req) |
… | |
… | |
315 | eio_cancel (grp); |
394 | eio_cancel (grp); |
316 | } |
395 | } |
317 | |
396 | |
318 | void eio_cancel (eio_req *req) |
397 | void eio_cancel (eio_req *req) |
319 | { |
398 | { |
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399 | X_LOCK (etplock); |
320 | req->flags |= EIO_FLAG_CANCELLED; |
400 | req->flags |= EIO_FLAG_CANCELLED; |
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401 | X_UNLOCK (etplock); |
321 | |
402 | |
322 | eio_grp_cancel (req); |
403 | eio_grp_cancel (req); |
323 | } |
404 | } |
324 | |
405 | |
325 | X_THREAD_PROC (eio_proc); |
406 | X_THREAD_PROC (eio_proc); |
326 | |
407 | |
327 | static void start_thread (void) |
408 | static void start_thread (void) |
328 | { |
409 | { |
329 | worker *wrk = calloc (1, sizeof (worker)); |
410 | worker *wrk = calloc (1, sizeof (worker)); |
330 | |
411 | |
331 | if (!wrk) |
412 | /*TODO*/ |
332 | croak ("unable to allocate worker thread data"); |
413 | assert (("unable to allocate worker thread data", wrk)); |
333 | |
414 | |
334 | X_LOCK (wrklock); |
415 | X_LOCK (etplock); |
335 | |
416 | |
336 | if (thread_create (&wrk->tid, eio_proc, (void *)wrk)) |
417 | if (thread_create (&wrk->tid, eio_proc, (void *)wrk)) |
337 | { |
418 | { |
338 | wrk->prev = &wrk_first; |
419 | wrk->prev = &wrk_first; |
339 | wrk->next = wrk_first.next; |
420 | wrk->next = wrk_first.next; |
… | |
… | |
342 | ++started; |
423 | ++started; |
343 | } |
424 | } |
344 | else |
425 | else |
345 | free (wrk); |
426 | free (wrk); |
346 | |
427 | |
347 | X_UNLOCK (wrklock); |
428 | X_UNLOCK (etplock); |
348 | } |
429 | } |
349 | |
430 | |
350 | static void maybe_start_thread (void) |
431 | static void maybe_start_thread (void) |
351 | { |
432 | { |
352 | if (eio_nthreads () >= wanted) |
433 | if (eio_nthreads () >= wanted) |
… | |
… | |
359 | start_thread (); |
440 | start_thread (); |
360 | } |
441 | } |
361 | |
442 | |
362 | void eio_submit (eio_req *req) |
443 | void eio_submit (eio_req *req) |
363 | { |
444 | { |
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445 | req->pri += EIO_PRI_BIAS; |
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446 | |
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447 | if (req->pri < EIO_PRI_MIN + EIO_PRI_BIAS) req->pri = EIO_PRI_MIN + EIO_PRI_BIAS; |
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448 | if (req->pri > EIO_PRI_MAX + EIO_PRI_BIAS) req->pri = EIO_PRI_MAX + EIO_PRI_BIAS; |
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449 | |
364 | ++nreqs; |
450 | ++nreqs; |
365 | |
451 | |
366 | X_LOCK (reqlock); |
452 | X_LOCK (reqlock); |
367 | ++nready; |
453 | ++nready; |
368 | reqq_push (&req_queue, req); |
454 | reqq_push (&req_queue, req); |
… | |
… | |
382 | X_LOCK (reqlock); |
468 | X_LOCK (reqlock); |
383 | reqq_push (&req_queue, req); |
469 | reqq_push (&req_queue, req); |
384 | X_COND_SIGNAL (reqwait); |
470 | X_COND_SIGNAL (reqwait); |
385 | X_UNLOCK (reqlock); |
471 | X_UNLOCK (reqlock); |
386 | |
472 | |
387 | X_LOCK (wrklock); |
473 | X_LOCK (etplock); |
388 | --started; |
474 | --started; |
389 | X_UNLOCK (wrklock); |
475 | X_UNLOCK (etplock); |
390 | } |
476 | } |
391 | |
477 | |
392 | void eio_set_max_poll_time (double nseconds) |
478 | void eio_set_max_poll_time (double nseconds) |
393 | { |
479 | { |
394 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
480 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
395 | max_poll_time = nseconds; |
481 | etp.max_poll_time = nseconds; |
396 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
482 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
397 | } |
483 | } |
398 | |
484 | |
399 | void eio_set_max_poll_reqs (unsigned int maxreqs) |
485 | void eio_set_max_poll_reqs (unsigned int maxreqs) |
400 | { |
486 | { |
401 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
487 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
402 | max_poll_reqs = maxreqs; |
488 | etp.max_poll_reqs = maxreqs; |
403 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
489 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
404 | } |
490 | } |
405 | |
491 | |
406 | void eio_set_max_idle (unsigned int nthreads) |
492 | void eio_set_max_idle (unsigned int nthreads) |
407 | { |
493 | { |
… | |
… | |
425 | end_thread (); |
511 | end_thread (); |
426 | } |
512 | } |
427 | |
513 | |
428 | int eio_poll (void) |
514 | int eio_poll (void) |
429 | { |
515 | { |
430 | int maxreqs = max_poll_reqs; |
516 | int maxreqs = etp.max_poll_reqs; |
431 | struct timeval tv_start, tv_now; |
517 | struct timeval tv_start, tv_now; |
432 | eio_req *req; |
518 | eio_req *req; |
433 | |
519 | |
434 | if (max_poll_time) |
520 | if (etp.max_poll_time) |
435 | gettimeofday (&tv_start, 0); |
521 | gettimeofday (&tv_start, 0); |
436 | |
522 | |
437 | for (;;) |
523 | for (;;) |
438 | { |
524 | { |
439 | maybe_start_thread (); |
525 | maybe_start_thread (); |
… | |
… | |
443 | |
529 | |
444 | if (req) |
530 | if (req) |
445 | { |
531 | { |
446 | --npending; |
532 | --npending; |
447 | |
533 | |
448 | if (!res_queue.size && done_poll_cb) |
534 | if (!res_queue.size && etp.done_poll_cb) |
449 | done_poll_cb (); |
535 | etp.done_poll_cb (); |
450 | } |
536 | } |
451 | |
537 | |
452 | X_UNLOCK (reslock); |
538 | X_UNLOCK (reslock); |
453 | |
539 | |
454 | if (!req) |
540 | if (!req) |
… | |
… | |
469 | } |
555 | } |
470 | |
556 | |
471 | if (maxreqs && !--maxreqs) |
557 | if (maxreqs && !--maxreqs) |
472 | break; |
558 | break; |
473 | |
559 | |
474 | if (max_poll_time) |
560 | if (etp.max_poll_time) |
475 | { |
561 | { |
476 | gettimeofday (&tv_now, 0); |
562 | gettimeofday (&tv_now, 0); |
477 | |
563 | |
478 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
564 | if (tvdiff (&tv_start, &tv_now) >= etp.max_poll_time) |
479 | break; |
565 | break; |
480 | } |
566 | } |
481 | } |
567 | } |
482 | |
568 | |
483 | errno = EAGAIN; |
569 | errno = EAGAIN; |
… | |
… | |
486 | |
572 | |
487 | /*****************************************************************************/ |
573 | /*****************************************************************************/ |
488 | /* work around various missing functions */ |
574 | /* work around various missing functions */ |
489 | |
575 | |
490 | #if !HAVE_PREADWRITE |
576 | #if !HAVE_PREADWRITE |
491 | # define pread aio_pread |
577 | # define pread eio__pread |
492 | # define pwrite aio_pwrite |
578 | # define pwrite eio__pwrite |
493 | |
579 | |
494 | /* |
580 | /* |
495 | * make our pread/pwrite safe against themselves, but not against |
581 | * make our pread/pwrite safe against themselves, but not against |
496 | * normal read/write by using a mutex. slows down execution a lot, |
582 | * normal read/write by using a mutex. slows down execution a lot, |
497 | * but that's your problem, not mine. |
583 | * but that's your problem, not mine. |
498 | */ |
584 | */ |
499 | static mutex_t preadwritelock = X_MUTEX_INIT; |
585 | static mutex_t preadwritelock = X_MUTEX_INIT; |
500 | |
586 | |
501 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
587 | static ssize_t |
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588 | eio__pread (int fd, void *buf, size_t count, off_t offset) |
502 | { |
589 | { |
503 | ssize_t res; |
590 | ssize_t res; |
504 | off_t ooffset; |
591 | off_t ooffset; |
505 | |
592 | |
506 | X_LOCK (preadwritelock); |
593 | X_LOCK (preadwritelock); |
… | |
… | |
511 | X_UNLOCK (preadwritelock); |
598 | X_UNLOCK (preadwritelock); |
512 | |
599 | |
513 | return res; |
600 | return res; |
514 | } |
601 | } |
515 | |
602 | |
516 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
603 | static ssize_t |
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604 | eio__pwrite (int fd, void *buf, size_t count, off_t offset) |
517 | { |
605 | { |
518 | ssize_t res; |
606 | ssize_t res; |
519 | off_t ooffset; |
607 | off_t ooffset; |
520 | |
608 | |
521 | X_LOCK (preadwritelock); |
609 | X_LOCK (preadwritelock); |
… | |
… | |
529 | } |
617 | } |
530 | #endif |
618 | #endif |
531 | |
619 | |
532 | #ifndef HAVE_FUTIMES |
620 | #ifndef HAVE_FUTIMES |
533 | |
621 | |
534 | # define utimes(path,times) aio_utimes (path, times) |
622 | # define utimes(path,times) eio__utimes (path, times) |
535 | # define futimes(fd,times) aio_futimes (fd, times) |
623 | # define futimes(fd,times) eio__futimes (fd, times) |
536 | |
624 | |
|
|
625 | static int |
537 | static int aio_utimes (const char *filename, const struct timeval times[2]) |
626 | eio__utimes (const char *filename, const struct timeval times[2]) |
538 | { |
627 | { |
539 | if (times) |
628 | if (times) |
540 | { |
629 | { |
541 | struct utimbuf buf; |
630 | struct utimbuf buf; |
542 | |
631 | |
… | |
… | |
547 | } |
636 | } |
548 | else |
637 | else |
549 | return utime (filename, 0); |
638 | return utime (filename, 0); |
550 | } |
639 | } |
551 | |
640 | |
552 | static int aio_futimes (int fd, const struct timeval tv[2]) |
641 | static int eio__futimes (int fd, const struct timeval tv[2]) |
553 | { |
642 | { |
554 | errno = ENOSYS; |
643 | errno = ENOSYS; |
555 | return -1; |
644 | return -1; |
556 | } |
645 | } |
557 | |
646 | |
… | |
… | |
560 | #if !HAVE_FDATASYNC |
649 | #if !HAVE_FDATASYNC |
561 | # define fdatasync fsync |
650 | # define fdatasync fsync |
562 | #endif |
651 | #endif |
563 | |
652 | |
564 | #if !HAVE_READAHEAD |
653 | #if !HAVE_READAHEAD |
565 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
654 | # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) |
566 | |
655 | |
|
|
656 | static ssize_t |
567 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
657 | eio__readahead (int fd, off_t offset, size_t count, worker *self) |
568 | { |
658 | { |
569 | size_t todo = count; |
659 | size_t todo = count; |
570 | dBUF; |
660 | dBUF; |
571 | |
661 | |
572 | while (todo > 0) |
662 | while (todo > 0) |
573 | { |
663 | { |
574 | size_t len = todo < EIO_BUFSIZE ? todo : EIO_BUFSIZE; |
664 | size_t len = todo < EIO_BUFSIZE ? todo : EIO_BUFSIZE; |
575 | |
665 | |
576 | pread (fd, aio_buf, len, offset); |
666 | pread (fd, eio_buf, len, offset); |
577 | offset += len; |
667 | offset += len; |
578 | todo -= len; |
668 | todo -= len; |
579 | } |
669 | } |
580 | |
670 | |
581 | errno = 0; |
671 | errno = 0; |
… | |
… | |
583 | } |
673 | } |
584 | |
674 | |
585 | #endif |
675 | #endif |
586 | |
676 | |
587 | #if !HAVE_READDIR_R |
677 | #if !HAVE_READDIR_R |
588 | # define readdir_r aio_readdir_r |
678 | # define readdir_r eio__readdir_r |
589 | |
679 | |
590 | static mutex_t readdirlock = X_MUTEX_INIT; |
680 | static mutex_t readdirlock = X_MUTEX_INIT; |
591 | |
681 | |
592 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
682 | static int |
|
|
683 | eio__readdir_r (DIR *dirp, EIO_STRUCT_DIRENT *ent, EIO_STRUCT_DIRENT **res) |
593 | { |
684 | { |
594 | X_DIRENT *e; |
685 | EIO_STRUCT_DIRENT *e; |
595 | int errorno; |
686 | int errorno; |
596 | |
687 | |
597 | X_LOCK (readdirlock); |
688 | X_LOCK (readdirlock); |
598 | |
689 | |
599 | e = readdir (dirp); |
690 | e = readdir (dirp); |
… | |
… | |
613 | return e ? 0 : -1; |
704 | return e ? 0 : -1; |
614 | } |
705 | } |
615 | #endif |
706 | #endif |
616 | |
707 | |
617 | /* sendfile always needs emulation */ |
708 | /* sendfile always needs emulation */ |
|
|
709 | static ssize_t |
618 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
710 | eio__sendfile (int ofd, int ifd, off_t offset, size_t count, worker *self) |
619 | { |
711 | { |
620 | ssize_t res; |
712 | ssize_t res; |
621 | |
713 | |
622 | if (!count) |
714 | if (!count) |
623 | return 0; |
715 | return 0; |
… | |
… | |
706 | |
798 | |
707 | return res; |
799 | return res; |
708 | } |
800 | } |
709 | |
801 | |
710 | /* read a full directory */ |
802 | /* read a full directory */ |
|
|
803 | static void |
711 | static void scandir_ (eio_req *req, worker *self) |
804 | eio__scandir (eio_req *req, worker *self) |
712 | { |
805 | { |
713 | DIR *dirp; |
806 | DIR *dirp; |
714 | union |
807 | union |
715 | { |
808 | { |
716 | EIO_STRUCT_DIRENT d; |
809 | EIO_STRUCT_DIRENT d; |
… | |
… | |
720 | char *name, *names; |
813 | char *name, *names; |
721 | int memlen = 4096; |
814 | int memlen = 4096; |
722 | int memofs = 0; |
815 | int memofs = 0; |
723 | int res = 0; |
816 | int res = 0; |
724 | |
817 | |
725 | X_LOCK (wrklock); |
818 | X_LOCK (etplock); |
726 | self->dirp = dirp = opendir (req->ptr1); |
819 | self->dirp = dirp = opendir (req->ptr1); |
727 | self->dbuf = u = malloc (sizeof (*u)); |
820 | self->dbuf = u = malloc (sizeof (*u)); |
728 | req->flags |= EIO_FLAG_PTR2_FREE; |
821 | req->flags |= EIO_FLAG_PTR2_FREE; |
729 | req->ptr2 = names = malloc (memlen); |
822 | req->ptr2 = names = malloc (memlen); |
730 | X_UNLOCK (wrklock); |
823 | X_UNLOCK (etplock); |
731 | |
824 | |
732 | if (dirp && u && names) |
825 | if (dirp && u && names) |
733 | for (;;) |
826 | for (;;) |
734 | { |
827 | { |
735 | errno = 0; |
828 | errno = 0; |
… | |
… | |
747 | res++; |
840 | res++; |
748 | |
841 | |
749 | while (memofs + len > memlen) |
842 | while (memofs + len > memlen) |
750 | { |
843 | { |
751 | memlen *= 2; |
844 | memlen *= 2; |
752 | X_LOCK (wrklock); |
845 | X_LOCK (etplock); |
753 | req->ptr2 = names = realloc (names, memlen); |
846 | req->ptr2 = names = realloc (names, memlen); |
754 | X_UNLOCK (wrklock); |
847 | X_UNLOCK (etplock); |
755 | |
848 | |
756 | if (!names) |
849 | if (!names) |
757 | break; |
850 | break; |
758 | } |
851 | } |
759 | |
852 | |
… | |
… | |
767 | |
860 | |
768 | req->result = res; |
861 | req->result = res; |
769 | } |
862 | } |
770 | |
863 | |
771 | /*****************************************************************************/ |
864 | /*****************************************************************************/ |
|
|
865 | |
|
|
866 | #define ALLOC(len) \ |
|
|
867 | if (!req->ptr2) \ |
|
|
868 | { \ |
|
|
869 | X_LOCK (etplock); \ |
|
|
870 | req->flags |= EIO_FLAG_PTR2_FREE; \ |
|
|
871 | X_UNLOCK (etplock); \ |
|
|
872 | req->ptr2 = malloc (len); \ |
|
|
873 | if (!req->ptr2) \ |
|
|
874 | { \ |
|
|
875 | errno = ENOMEM; \ |
|
|
876 | req->result = -1; \ |
|
|
877 | break; \ |
|
|
878 | } \ |
|
|
879 | } |
772 | |
880 | |
773 | X_THREAD_PROC (eio_proc) |
881 | X_THREAD_PROC (eio_proc) |
774 | { |
882 | { |
775 | eio_req *req; |
883 | eio_req *req; |
776 | struct timespec ts; |
884 | struct timespec ts; |
… | |
… | |
798 | { |
906 | { |
799 | if (idle > max_idle) |
907 | if (idle > max_idle) |
800 | { |
908 | { |
801 | --idle; |
909 | --idle; |
802 | X_UNLOCK (reqlock); |
910 | X_UNLOCK (reqlock); |
803 | X_LOCK (wrklock); |
911 | X_LOCK (etplock); |
804 | --started; |
912 | --started; |
805 | X_UNLOCK (wrklock); |
913 | X_UNLOCK (etplock); |
806 | goto quit; |
914 | goto quit; |
807 | } |
915 | } |
808 | |
916 | |
809 | /* we are allowed to idle, so do so without any timeout */ |
917 | /* we are allowed to idle, so do so without any timeout */ |
810 | X_COND_WAIT (reqwait, reqlock); |
918 | X_COND_WAIT (reqwait, reqlock); |
… | |
… | |
821 | errno = 0; /* strictly unnecessary */ |
929 | errno = 0; /* strictly unnecessary */ |
822 | |
930 | |
823 | if (!EIO_CANCELLED (req)) |
931 | if (!EIO_CANCELLED (req)) |
824 | switch (req->type) |
932 | switch (req->type) |
825 | { |
933 | { |
|
|
934 | case EIO_READ: ALLOC (req->size); |
826 | case EIO_READ: req->result = req->offs >= 0 |
935 | req->result = req->offs >= 0 |
827 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
936 | ? pread (req->int1, req->ptr2, req->size, req->offs) |
828 | : read (req->int1, req->ptr2, req->size); break; |
937 | : read (req->int1, req->ptr2, req->size); break; |
829 | case EIO_WRITE: req->result = req->offs >= 0 |
938 | case EIO_WRITE: req->result = req->offs >= 0 |
830 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
939 | ? pwrite (req->int1, req->ptr2, req->size, req->offs) |
831 | : write (req->int1, req->ptr2, req->size); break; |
940 | : write (req->int1, req->ptr2, req->size); break; |
832 | |
941 | |
833 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
942 | case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
834 | case EIO_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
943 | case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break; |
835 | |
944 | |
|
|
945 | case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
836 | case EIO_STAT: req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
946 | req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
947 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
837 | case EIO_LSTAT: req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
948 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
|
|
949 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
838 | case EIO_FSTAT: req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
950 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
839 | |
951 | |
840 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
952 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
841 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
953 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
842 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
954 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
843 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
955 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
… | |
… | |
852 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
964 | case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; |
853 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
965 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
854 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
966 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
855 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
967 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
856 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
968 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; |
|
|
969 | |
|
|
970 | case EIO_READLINK: ALLOC (NAME_MAX); |
857 | case EIO_READLINK: req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
971 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
858 | |
972 | |
859 | case EIO_SYNC: req->result = 0; sync (); break; |
973 | case EIO_SYNC: req->result = 0; sync (); break; |
860 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
974 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
861 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
975 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
862 | |
976 | |
863 | case EIO_READDIR: scandir_ (req, self); break; |
977 | case EIO_READDIR: eio__scandir (req, self); break; |
864 | |
978 | |
865 | case EIO_BUSY: |
979 | case EIO_BUSY: |
866 | #ifdef _WIN32 |
980 | #ifdef _WIN32 |
867 | Sleep (req->nv1 * 1000.); |
981 | Sleep (req->nv1 * 1000.); |
868 | #else |
982 | #else |
… | |
… | |
901 | : utimes (req->ptr1, times); |
1015 | : utimes (req->ptr1, times); |
902 | } |
1016 | } |
903 | |
1017 | |
904 | case EIO_GROUP: |
1018 | case EIO_GROUP: |
905 | case EIO_NOP: |
1019 | case EIO_NOP: |
|
|
1020 | req->result = 0; |
906 | break; |
1021 | break; |
907 | |
1022 | |
908 | case EIO_QUIT: |
1023 | case EIO_QUIT: |
909 | goto quit; |
1024 | goto quit; |
910 | |
1025 | |
… | |
… | |
917 | |
1032 | |
918 | X_LOCK (reslock); |
1033 | X_LOCK (reslock); |
919 | |
1034 | |
920 | ++npending; |
1035 | ++npending; |
921 | |
1036 | |
922 | if (!reqq_push (&res_queue, req) && want_poll_cb) |
1037 | if (!reqq_push (&res_queue, req) && etp.want_poll_cb) |
923 | want_poll_cb (); |
1038 | etp.want_poll_cb (); |
924 | |
1039 | |
925 | self->req = 0; |
1040 | self->req = 0; |
926 | worker_clear (self); |
1041 | worker_clear (self); |
927 | |
1042 | |
928 | X_UNLOCK (reslock); |
1043 | X_UNLOCK (reslock); |
929 | } |
1044 | } |
930 | |
1045 | |
931 | quit: |
1046 | quit: |
932 | X_LOCK (wrklock); |
1047 | X_LOCK (etplock); |
933 | worker_free (self); |
1048 | worker_free (self); |
934 | X_UNLOCK (wrklock); |
1049 | X_UNLOCK (etplock); |
935 | |
1050 | |
936 | return 0; |
1051 | return 0; |
937 | } |
1052 | } |
938 | |
1053 | |
939 | /*****************************************************************************/ |
1054 | /*****************************************************************************/ |
940 | |
1055 | |
941 | static void eio_atfork_prepare (void) |
|
|
942 | { |
|
|
943 | X_LOCK (wrklock); |
|
|
944 | X_LOCK (reqlock); |
|
|
945 | X_LOCK (reslock); |
|
|
946 | #if !HAVE_PREADWRITE |
|
|
947 | X_LOCK (preadwritelock); |
|
|
948 | #endif |
|
|
949 | #if !HAVE_READDIR_R |
|
|
950 | X_LOCK (readdirlock); |
|
|
951 | #endif |
|
|
952 | } |
|
|
953 | |
|
|
954 | static void eio_atfork_parent (void) |
|
|
955 | { |
|
|
956 | #if !HAVE_READDIR_R |
|
|
957 | X_UNLOCK (readdirlock); |
|
|
958 | #endif |
|
|
959 | #if !HAVE_PREADWRITE |
|
|
960 | X_UNLOCK (preadwritelock); |
|
|
961 | #endif |
|
|
962 | X_UNLOCK (reslock); |
|
|
963 | X_UNLOCK (reqlock); |
|
|
964 | X_UNLOCK (wrklock); |
|
|
965 | } |
|
|
966 | |
|
|
967 | static void eio_atfork_child (void) |
|
|
968 | { |
|
|
969 | eio_req *prv; |
|
|
970 | |
|
|
971 | while (prv = reqq_shift (&req_queue)) |
|
|
972 | eio_destroy (prv); |
|
|
973 | |
|
|
974 | while (prv = reqq_shift (&res_queue)) |
|
|
975 | eio_destroy (prv); |
|
|
976 | |
|
|
977 | while (wrk_first.next != &wrk_first) |
|
|
978 | { |
|
|
979 | worker *wrk = wrk_first.next; |
|
|
980 | |
|
|
981 | if (wrk->req) |
|
|
982 | eio_destroy (wrk->req); |
|
|
983 | |
|
|
984 | worker_clear (wrk); |
|
|
985 | worker_free (wrk); |
|
|
986 | } |
|
|
987 | |
|
|
988 | started = 0; |
|
|
989 | idle = 0; |
|
|
990 | nreqs = 0; |
|
|
991 | nready = 0; |
|
|
992 | npending = 0; |
|
|
993 | |
|
|
994 | eio_atfork_parent (); |
|
|
995 | } |
|
|
996 | |
|
|
997 | int eio_init (void (*want_poll)(void), void (*done_poll)(void)) |
1056 | int eio_init (void (*want_poll)(void), void (*done_poll)(void)) |
998 | { |
1057 | { |
999 | want_poll_cb = want_poll; |
1058 | etp_init (&etp, want_poll, done_poll); |
1000 | done_poll_cb = done_poll; |
|
|
1001 | |
|
|
1002 | #ifdef _WIN32 |
|
|
1003 | X_MUTEX_CHECK (wrklock); |
|
|
1004 | X_MUTEX_CHECK (reslock); |
|
|
1005 | X_MUTEX_CHECK (reqlock); |
|
|
1006 | X_MUTEX_CHECK (reqwait); |
|
|
1007 | X_MUTEX_CHECK (preadwritelock); |
|
|
1008 | X_MUTEX_CHECK (readdirlock); |
|
|
1009 | |
|
|
1010 | X_COND_CHECK (reqwait); |
|
|
1011 | #endif |
|
|
1012 | |
|
|
1013 | X_THREAD_ATFORK (eio_atfork_prepare, eio_atfork_parent, eio_atfork_child); |
|
|
1014 | } |
1059 | } |
1015 | |
1060 | |
1016 | #if 0 |
1061 | static void eio_api_destroy (eio_req *req) |
|
|
1062 | { |
|
|
1063 | free (req); |
|
|
1064 | } |
1017 | |
1065 | |
|
|
1066 | #define REQ(rtype) \ |
|
|
1067 | eio_req *req; \ |
|
|
1068 | \ |
|
|
1069 | req = (eio_req *)calloc (1, sizeof *req); \ |
|
|
1070 | if (!req) \ |
|
|
1071 | return 0; \ |
|
|
1072 | \ |
|
|
1073 | req->type = rtype; \ |
|
|
1074 | req->pri = pri; \ |
|
|
1075 | req->finish = cb; \ |
|
|
1076 | req->data = data; \ |
|
|
1077 | req->destroy = eio_api_destroy; |
|
|
1078 | |
|
|
1079 | #define SEND eio_submit (req); return req |
|
|
1080 | |
|
|
1081 | #define PATH \ |
|
|
1082 | req->flags |= EIO_FLAG_PTR1_FREE; \ |
|
|
1083 | req->ptr1 = strdup (path); \ |
|
|
1084 | if (!req->ptr1) \ |
|
|
1085 | { \ |
|
|
1086 | eio_api_destroy (req); \ |
|
|
1087 | return 0; \ |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | #ifndef EIO_NO_WRAPPERS |
|
|
1091 | |
|
|
1092 | eio_req *eio_nop (int pri, eio_cb cb, void *data) |
|
|
1093 | { |
|
|
1094 | REQ (EIO_NOP); SEND; |
|
|
1095 | } |
|
|
1096 | |
|
|
1097 | eio_req *eio_busy (double delay, int pri, eio_cb cb, void *data) |
|
|
1098 | { |
|
|
1099 | REQ (EIO_BUSY); req->nv1 = delay; SEND; |
|
|
1100 | } |
|
|
1101 | |
1018 | eio_req *eio_fsync (int fd, eio_cb cb); |
1102 | eio_req *eio_sync (int pri, eio_cb cb, void *data) |
|
|
1103 | { |
|
|
1104 | REQ (EIO_SYNC); SEND; |
|
|
1105 | } |
|
|
1106 | |
|
|
1107 | eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data) |
|
|
1108 | { |
|
|
1109 | REQ (EIO_FSYNC); req->int1 = fd; SEND; |
|
|
1110 | } |
|
|
1111 | |
1019 | eio_req *eio_fdatasync (int fd, eio_cb cb); |
1112 | eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) |
1020 | eio_req *eio_dupclose (int fd, eio_cb cb); |
1113 | { |
|
|
1114 | REQ (EIO_FDATASYNC); req->int1 = fd; SEND; |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | eio_req *eio_close (int fd, int pri, eio_cb cb, void *data) |
|
|
1118 | { |
|
|
1119 | REQ (EIO_CLOSE); req->int1 = fd; SEND; |
|
|
1120 | } |
|
|
1121 | |
1021 | eio_req *eio_readahead (int fd, off_t offset, size_t length, eio_cb cb); |
1122 | eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data) |
1022 | eio_req *eio_read (int fd, off_t offs, size_t length, char *data, eio_cb cb); |
1123 | { |
1023 | eio_req *eio_write (int fd, off_t offs, size_t length, char *data, eio_cb cb); |
1124 | REQ (EIO_READAHEAD); req->int1 = fd; req->offs = offset; req->size = length; SEND; |
1024 | eio_req *eio_fstat (int fd, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ |
1125 | } |
|
|
1126 | |
|
|
1127 | eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data) |
|
|
1128 | { |
|
|
1129 | REQ (EIO_READ); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND; |
|
|
1130 | } |
|
|
1131 | |
|
|
1132 | eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data) |
|
|
1133 | { |
|
|
1134 | REQ (EIO_WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND; |
|
|
1135 | } |
|
|
1136 | |
|
|
1137 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
|
|
1138 | { |
|
|
1139 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
|
|
1140 | } |
|
|
1141 | |
1025 | eio_req *eio_futime (int fd, double atime, double mtime, eio_cb cb); |
1142 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
|
|
1143 | { |
|
|
1144 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
|
|
1145 | } |
|
|
1146 | |
1026 | eio_req *eio_ftruncate (int fd, off_t offset, eio_cb cb); |
1147 | eio_req *eio_ftruncate (int fd, off_t offset, int pri, eio_cb cb, void *data) |
|
|
1148 | { |
|
|
1149 | REQ (EIO_FTRUNCATE); req->int1 = fd; req->offs = offset; SEND; |
|
|
1150 | } |
|
|
1151 | |
1027 | eio_req *eio_fchmod (int fd, mode_t mode, eio_cb cb); |
1152 | eio_req *eio_fchmod (int fd, mode_t mode, int pri, eio_cb cb, void *data) |
|
|
1153 | { |
|
|
1154 | REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; |
|
|
1155 | } |
|
|
1156 | |
1028 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, eio_cb cb); |
1157 | eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
|
|
1158 | { |
|
|
1159 | REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
|
|
1160 | } |
|
|
1161 | |
1029 | eio_req *eio_dup2 (int fd, int fd2, eio_cb cb); |
1162 | eio_req *eio_dup2 (int fd, int fd2, int pri, eio_cb cb, void *data) |
|
|
1163 | { |
|
|
1164 | REQ (EIO_DUP2); req->int1 = fd; req->int2 = fd2; SEND; |
|
|
1165 | } |
|
|
1166 | |
1030 | eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, eio_cb cb); |
1167 | eio_req *eio_sendfile (int out_fd, int in_fd, off_t in_offset, size_t length, int pri, eio_cb cb, void *data) |
|
|
1168 | { |
|
|
1169 | REQ (EIO_SENDFILE); req->int1 = out_fd; req->int2 = in_fd; req->offs = in_offset; req->size = length; SEND; |
|
|
1170 | } |
|
|
1171 | |
1031 | eio_req *eio_open (const char *path, int flags, mode_t mode, eio_cb cb); |
1172 | eio_req *eio_open (const char *path, int flags, mode_t mode, int pri, eio_cb cb, void *data) |
1032 | eio_req *eio_readlink (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ |
1173 | { |
1033 | eio_req *eio_stat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ |
1174 | REQ (EIO_OPEN); PATH; req->int1 = flags; req->int2 = (long)mode; SEND; |
1034 | eio_req *eio_lstat (const char *path, eio_cb cb); /* stat buffer=ptr2 allocates dynamically */ |
1175 | } |
|
|
1176 | |
1035 | eio_req *eio_utime (const char *path, double atime, double mtime, eio_cb cb); |
1177 | eio_req *eio_utime (const char *path, double atime, double mtime, int pri, eio_cb cb, void *data) |
|
|
1178 | { |
|
|
1179 | REQ (EIO_UTIME); PATH; req->nv1 = atime; req->nv2 = mtime; SEND; |
|
|
1180 | } |
|
|
1181 | |
1036 | eio_req *eio_truncate (const char *path, off_t offset, eio_cb cb); |
1182 | eio_req *eio_truncate (const char *path, off_t offset, int pri, eio_cb cb, void *data) |
1037 | eio_req *eio_chmod (const char *path, mode_t mode, eio_cb cb); |
1183 | { |
1038 | eio_req *eio_mkdir (const char *path, mode_t mode, eio_cb cb); |
1184 | REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; |
|
|
1185 | } |
|
|
1186 | |
1039 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, eio_cb cb); |
1187 | eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) |
|
|
1188 | { |
|
|
1189 | REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; |
|
|
1190 | } |
|
|
1191 | |
|
|
1192 | eio_req *eio_chmod (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
|
|
1193 | { |
|
|
1194 | REQ (EIO_CHMOD); PATH; req->int2 = (long)mode; SEND; |
|
|
1195 | } |
|
|
1196 | |
|
|
1197 | eio_req *eio_mkdir (const char *path, mode_t mode, int pri, eio_cb cb, void *data) |
|
|
1198 | { |
|
|
1199 | REQ (EIO_MKDIR); PATH; req->int2 = (long)mode; SEND; |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | static eio_req * |
|
|
1203 | eio__1path (int type, const char *path, int pri, eio_cb cb, void *data) |
|
|
1204 | { |
|
|
1205 | REQ (type); PATH; SEND; |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | eio_req *eio_readlink (const char *path, int pri, eio_cb cb, void *data) |
|
|
1209 | { |
|
|
1210 | return eio__1path (EIO_READLINK, path, pri, cb, data); |
|
|
1211 | } |
|
|
1212 | |
|
|
1213 | eio_req *eio_stat (const char *path, int pri, eio_cb cb, void *data) |
|
|
1214 | { |
|
|
1215 | return eio__1path (EIO_STAT, path, pri, cb, data); |
|
|
1216 | } |
|
|
1217 | |
|
|
1218 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
|
|
1219 | { |
|
|
1220 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
|
|
1221 | } |
|
|
1222 | |
1040 | eio_req *eio_unlink (const char *path, eio_cb cb); |
1223 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
|
|
1224 | { |
|
|
1225 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
|
|
1226 | } |
|
|
1227 | |
1041 | eio_req *eio_rmdir (const char *path, eio_cb cb); |
1228 | eio_req *eio_rmdir (const char *path, int pri, eio_cb cb, void *data) |
1042 | eio_req *eio_readdir (const char *path, eio_cb cb); /* result=ptr2 allocated dynamically */ |
1229 | { |
|
|
1230 | return eio__1path (EIO_RMDIR, path, pri, cb, data); |
|
|
1231 | } |
|
|
1232 | |
|
|
1233 | eio_req *eio_readdir (const char *path, int pri, eio_cb cb, void *data) |
|
|
1234 | { |
|
|
1235 | return eio__1path (EIO_READDIR, path, pri, cb, data); |
|
|
1236 | } |
|
|
1237 | |
1043 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, eio_cb cb); |
1238 | eio_req *eio_mknod (const char *path, mode_t mode, dev_t dev, int pri, eio_cb cb, void *data) |
1044 | eio_req *eio_busy (double delay, eio_cb cb); /* ties a thread for this long, simulating busyness */ |
|
|
1045 | eio_req *eio_nop (eio_cb cb); /* does nothing except go through the whole process */ |
|
|
1046 | void |
|
|
1047 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1048 | PROTOTYPE: $$$;$ |
|
|
1049 | PPCODE: |
|
|
1050 | { |
1239 | { |
1051 | dREQ; |
1240 | REQ (EIO_MKNOD); PATH; req->int2 = (long)mode; req->int2 = (long)dev; SEND; |
1052 | |
|
|
1053 | req->type = EIO_OPEN; |
|
|
1054 | req->sv1 = newSVsv (pathname); |
|
|
1055 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1056 | req->int1 = flags; |
|
|
1057 | req->int2 = mode; |
|
|
1058 | |
|
|
1059 | EIO_SEND; |
|
|
1060 | } |
1241 | } |
1061 | |
1242 | |
1062 | void |
1243 | static eio_req * |
1063 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1244 | eio__2path (int type, const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1064 | PROTOTYPE: $;$ |
|
|
1065 | ALIAS: |
|
|
1066 | aio_fsync = EIO_FSYNC |
|
|
1067 | aio_fdatasync = EIO_FDATASYNC |
|
|
1068 | PPCODE: |
|
|
1069 | { |
1245 | { |
1070 | dREQ; |
1246 | REQ (type); PATH; |
1071 | |
1247 | |
1072 | req->type = ix; |
|
|
1073 | req->sv1 = newSVsv (fh); |
|
|
1074 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1075 | |
|
|
1076 | EIO_SEND (req); |
|
|
1077 | } |
|
|
1078 | |
|
|
1079 | void |
|
|
1080 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1081 | PROTOTYPE: $;$ |
|
|
1082 | PPCODE: |
|
|
1083 | { |
|
|
1084 | dREQ; |
|
|
1085 | |
|
|
1086 | req->type = EIO_CLOSE; |
|
|
1087 | req->sv1 = newSVsv (fh); |
|
|
1088 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1089 | |
|
|
1090 | EIO_SEND (req); |
|
|
1091 | } |
|
|
1092 | |
|
|
1093 | void |
|
|
1094 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
|
|
1095 | ALIAS: |
|
|
1096 | aio_read = EIO_READ |
|
|
1097 | aio_write = EIO_WRITE |
|
|
1098 | PROTOTYPE: $$$$$;$ |
|
|
1099 | PPCODE: |
|
|
1100 | { |
|
|
1101 | STRLEN svlen; |
|
|
1102 | char *svptr = SvPVbyte (data, svlen); |
|
|
1103 | UV len = SvUV (length); |
|
|
1104 | |
|
|
1105 | SvUPGRADE (data, SVt_PV); |
|
|
1106 | SvPOK_on (data); |
|
|
1107 | |
|
|
1108 | if (dataoffset < 0) |
|
|
1109 | dataoffset += svlen; |
|
|
1110 | |
|
|
1111 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
1112 | croak ("dataoffset outside of data scalar"); |
|
|
1113 | |
|
|
1114 | if (ix == EIO_WRITE) |
|
|
1115 | { |
|
|
1116 | /* write: check length and adjust. */ |
|
|
1117 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
1118 | len = svlen - dataoffset; |
|
|
1119 | } |
|
|
1120 | else |
|
|
1121 | { |
|
|
1122 | /* read: grow scalar as necessary */ |
|
|
1123 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1124 | } |
|
|
1125 | |
|
|
1126 | if (len < 0) |
|
|
1127 | croak ("length must not be negative"); |
|
|
1128 | |
|
|
1129 | { |
|
|
1130 | dREQ; |
|
|
1131 | |
|
|
1132 | req->type = ix; |
|
|
1133 | req->sv1 = newSVsv (fh); |
|
|
1134 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
|
|
1135 | : IoOFP (sv_2io (fh))); |
|
|
1136 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1137 | req->size = len; |
|
|
1138 | req->sv2 = SvREFCNT_inc (data); |
|
|
1139 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1140 | req->stroffset = dataoffset; |
|
|
1141 | |
|
|
1142 | if (!SvREADONLY (data)) |
|
|
1143 | { |
|
|
1144 | SvREADONLY_on (data); |
|
|
1145 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1146 | } |
|
|
1147 | |
|
|
1148 | EIO_SEND; |
|
|
1149 | } |
|
|
1150 | } |
|
|
1151 | |
|
|
1152 | void |
|
|
1153 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1154 | PROTOTYPE: $$;$ |
|
|
1155 | PPCODE: |
|
|
1156 | { |
|
|
1157 | SV *data; |
|
|
1158 | dREQ; |
|
|
1159 | |
|
|
1160 | data = newSV (NAME_MAX); |
|
|
1161 | SvPOK_on (data); |
|
|
1162 | |
|
|
1163 | req->type = EIO_READLINK; |
|
|
1164 | req->sv1 = newSVsv (path); |
|
|
1165 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1166 | req->sv2 = data; |
|
|
1167 | req->ptr2 = SvPVbyte_nolen (data); |
|
|
1168 | |
|
|
1169 | EIO_SEND; |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | void |
|
|
1173 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
|
|
1174 | PROTOTYPE: $$$$;$ |
|
|
1175 | PPCODE: |
|
|
1176 | { |
|
|
1177 | dREQ; |
|
|
1178 | |
|
|
1179 | req->type = EIO_SENDFILE; |
|
|
1180 | req->sv1 = newSVsv (out_fh); |
|
|
1181 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1182 | req->sv2 = newSVsv (in_fh); |
|
|
1183 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1184 | req->offs = SvVAL64 (in_offset); |
|
|
1185 | req->size = length; |
|
|
1186 | |
|
|
1187 | EIO_SEND; |
|
|
1188 | } |
|
|
1189 | |
|
|
1190 | void |
|
|
1191 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
|
|
1192 | PROTOTYPE: $$$;$ |
|
|
1193 | PPCODE: |
|
|
1194 | { |
|
|
1195 | dREQ; |
|
|
1196 | |
|
|
1197 | req->type = EIO_READAHEAD; |
|
|
1198 | req->sv1 = newSVsv (fh); |
|
|
1199 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1200 | req->offs = SvVAL64 (offset); |
|
|
1201 | req->size = length; |
|
|
1202 | |
|
|
1203 | EIO_SEND; |
|
|
1204 | } |
|
|
1205 | |
|
|
1206 | void |
|
|
1207 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
1208 | ALIAS: |
|
|
1209 | aio_stat = EIO_STAT |
|
|
1210 | aio_lstat = EIO_LSTAT |
|
|
1211 | PPCODE: |
|
|
1212 | { |
|
|
1213 | dREQ; |
|
|
1214 | |
|
|
1215 | req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
|
|
1216 | if (!req->ptr2) |
|
|
1217 | { |
|
|
1218 | req_destroy (req); |
|
|
1219 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1220 | } |
|
|
1221 | |
|
|
1222 | req->flags |= FLAG_PTR2_FREE; |
1248 | req->flags |= EIO_FLAG_PTR2_FREE; |
1223 | req->sv1 = newSVsv (fh_or_path); |
1249 | req->ptr2 = strdup (new_path); |
|
|
1250 | if (!req->ptr2) |
|
|
1251 | { |
|
|
1252 | eio_api_destroy (req); |
|
|
1253 | return 0; |
|
|
1254 | } |
1224 | |
1255 | |
1225 | if (SvPOK (fh_or_path)) |
1256 | SEND; |
1226 | { |
|
|
1227 | req->type = ix; |
|
|
1228 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1229 | } |
|
|
1230 | else |
|
|
1231 | { |
|
|
1232 | req->type = EIO_FSTAT; |
|
|
1233 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1234 | } |
|
|
1235 | |
|
|
1236 | EIO_SEND; |
|
|
1237 | } |
1257 | } |
1238 | |
1258 | |
1239 | void |
1259 | eio_req *eio_link (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1240 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1241 | PPCODE: |
|
|
1242 | { |
1260 | { |
1243 | dREQ; |
1261 | return eio__2path (EIO_LINK, path, new_path, pri, cb, data); |
1244 | |
|
|
1245 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1246 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1247 | req->sv1 = newSVsv (fh_or_path); |
|
|
1248 | |
|
|
1249 | if (SvPOK (fh_or_path)) |
|
|
1250 | { |
|
|
1251 | req->type = EIO_UTIME; |
|
|
1252 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1253 | } |
|
|
1254 | else |
|
|
1255 | { |
|
|
1256 | req->type = EIO_FUTIME; |
|
|
1257 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1258 | } |
|
|
1259 | |
|
|
1260 | EIO_SEND; |
|
|
1261 | } |
1262 | } |
1262 | |
1263 | |
1263 | void |
1264 | eio_req *eio_symlink (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1264 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1265 | PPCODE: |
|
|
1266 | { |
1265 | { |
1267 | dREQ; |
1266 | return eio__2path (EIO_SYMLINK, path, new_path, pri, cb, data); |
1268 | |
|
|
1269 | req->sv1 = newSVsv (fh_or_path); |
|
|
1270 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1271 | |
|
|
1272 | if (SvPOK (fh_or_path)) |
|
|
1273 | { |
|
|
1274 | req->type = EIO_TRUNCATE; |
|
|
1275 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1276 | } |
|
|
1277 | else |
|
|
1278 | { |
|
|
1279 | req->type = EIO_FTRUNCATE; |
|
|
1280 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1281 | } |
|
|
1282 | |
|
|
1283 | EIO_SEND; |
|
|
1284 | } |
1267 | } |
1285 | |
1268 | |
1286 | void |
1269 | eio_req *eio_rename (const char *path, const char *new_path, int pri, eio_cb cb, void *data) |
1287 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1288 | ALIAS: |
|
|
1289 | aio_chmod = EIO_CHMOD |
|
|
1290 | aio_fchmod = EIO_FCHMOD |
|
|
1291 | aio_mkdir = EIO_MKDIR |
|
|
1292 | PPCODE: |
|
|
1293 | { |
1270 | { |
1294 | dREQ; |
1271 | return eio__2path (EIO_RENAME, path, new_path, pri, cb, data); |
1295 | |
|
|
1296 | req->type = type; |
|
|
1297 | req->int2 = mode; |
|
|
1298 | req->sv1 = newSVsv (fh_or_path); |
|
|
1299 | |
|
|
1300 | if (ix == EIO_FCHMOD) |
|
|
1301 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1302 | else |
|
|
1303 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1304 | |
|
|
1305 | EIO_SEND; |
|
|
1306 | } |
1272 | } |
1307 | |
1273 | |
1308 | void |
|
|
1309 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1310 | PPCODE: |
|
|
1311 | { |
|
|
1312 | dREQ; |
|
|
1313 | |
|
|
1314 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1315 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1316 | req->sv1 = newSVsv (fh_or_path); |
|
|
1317 | |
|
|
1318 | if (SvPOK (fh_or_path)) |
|
|
1319 | { |
|
|
1320 | req->type = EIO_CHOWN; |
|
|
1321 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1322 | } |
|
|
1323 | else |
|
|
1324 | { |
|
|
1325 | req->type = EIO_FCHOWN; |
|
|
1326 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1327 | } |
|
|
1328 | |
|
|
1329 | EIO_SEND; |
|
|
1330 | } |
|
|
1331 | |
|
|
1332 | void |
|
|
1333 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1334 | ALIAS: |
|
|
1335 | aio_unlink = EIO_UNLINK |
|
|
1336 | aio_rmdir = EIO_RMDIR |
|
|
1337 | aio_readdir = EIO_READDIR |
|
|
1338 | PPCODE: |
|
|
1339 | { |
|
|
1340 | dREQ; |
|
|
1341 | |
|
|
1342 | req->type = ix; |
|
|
1343 | req->sv1 = newSVsv (pathname); |
|
|
1344 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1345 | |
|
|
1346 | EIO_SEND; |
|
|
1347 | } |
|
|
1348 | |
|
|
1349 | void |
|
|
1350 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1351 | ALIAS: |
|
|
1352 | aio_link = EIO_LINK |
|
|
1353 | aio_symlink = EIO_SYMLINK |
|
|
1354 | aio_rename = EIO_RENAME |
|
|
1355 | PPCODE: |
|
|
1356 | { |
|
|
1357 | dREQ; |
|
|
1358 | |
|
|
1359 | req->type = ix; |
|
|
1360 | req->sv1 = newSVsv (oldpath); |
|
|
1361 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1362 | req->sv2 = newSVsv (newpath); |
|
|
1363 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1364 | |
|
|
1365 | EIO_SEND; |
|
|
1366 | } |
|
|
1367 | |
|
|
1368 | void |
|
|
1369 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1370 | PPCODE: |
|
|
1371 | { |
|
|
1372 | dREQ; |
|
|
1373 | |
|
|
1374 | req->type = EIO_MKNOD; |
|
|
1375 | req->sv1 = newSVsv (pathname); |
|
|
1376 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1377 | req->int2 = (mode_t)mode; |
|
|
1378 | req->offs = dev; |
|
|
1379 | |
|
|
1380 | EIO_SEND; |
|
|
1381 | } |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1385 | PPCODE: |
|
|
1386 | { |
|
|
1387 | dREQ; |
|
|
1388 | |
|
|
1389 | req->type = EIO_BUSY; |
|
|
1390 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1391 | |
|
|
1392 | EIO_SEND; |
|
|
1393 | } |
|
|
1394 | |
|
|
1395 | void |
|
|
1396 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1397 | PROTOTYPE: ;$ |
|
|
1398 | PPCODE: |
|
|
1399 | { |
|
|
1400 | dREQ; |
|
|
1401 | |
|
|
1402 | req->type = EIO_GROUP; |
|
|
1403 | |
|
|
1404 | req_send (req); |
|
|
1405 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1406 | } |
|
|
1407 | |
|
|
1408 | void |
|
|
1409 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1410 | ALIAS: |
|
|
1411 | aio_nop = EIO_NOP |
|
|
1412 | aio_sync = EIO_SYNC |
|
|
1413 | PPCODE: |
|
|
1414 | { |
|
|
1415 | dREQ; |
|
|
1416 | |
|
|
1417 | #endif |
1274 | #endif |
|
|
1275 | |
|
|
1276 | eio_req *eio_grp (eio_cb cb, void *data) |
|
|
1277 | { |
|
|
1278 | const int pri = EIO_PRI_MAX; |
|
|
1279 | |
|
|
1280 | REQ (EIO_GROUP); SEND; |
|
|
1281 | } |
|
|
1282 | |
|
|
1283 | #undef REQ |
|
|
1284 | #undef PATH |
|
|
1285 | #undef SEND |
|
|
1286 | |
|
|
1287 | /*****************************************************************************/ |
|
|
1288 | /* grp functions */ |
1418 | |
1289 | |
1419 | void eio_grp_feed (eio_req *grp, void (*feed)(eio_req *req), int limit) |
1290 | void eio_grp_feed (eio_req *grp, void (*feed)(eio_req *req), int limit) |
1420 | { |
1291 | { |
1421 | grp->int2 = limit; |
1292 | grp->int2 = limit; |
1422 | grp->feed = feed; |
1293 | grp->feed = feed; |
… | |
… | |
1445 | grp->grp_first->grp_prev = req; |
1316 | grp->grp_first->grp_prev = req; |
1446 | |
1317 | |
1447 | grp->grp_first = req; |
1318 | grp->grp_first = req; |
1448 | } |
1319 | } |
1449 | |
1320 | |
|
|
1321 | /*****************************************************************************/ |
|
|
1322 | /* misc garbage */ |
1450 | |
1323 | |
|
|
1324 | ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) |
|
|
1325 | { |
|
|
1326 | worker wrk; |
|
|
1327 | |
|
|
1328 | wrk.dbuf = 0; |
|
|
1329 | |
|
|
1330 | eio__sendfile (ofd, ifd, offset, count, &wrk); |
|
|
1331 | |
|
|
1332 | if (wrk.dbuf) |
|
|
1333 | free (wrk.dbuf); |
|
|
1334 | } |
|
|
1335 | |