… | |
… | |
4 | #include "EXTERN.h" |
4 | #include "EXTERN.h" |
5 | #include "perl.h" |
5 | #include "perl.h" |
6 | #include "XSUB.h" |
6 | #include "XSUB.h" |
7 | |
7 | |
8 | #include "autoconf/config.h" |
8 | #include "autoconf/config.h" |
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9 | |
|
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10 | #include <pthread.h> |
9 | |
11 | |
10 | #include <sys/types.h> |
12 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
12 | |
14 | |
13 | #include <unistd.h> |
15 | #include <unistd.h> |
14 | #include <fcntl.h> |
16 | #include <fcntl.h> |
15 | #include <signal.h> |
17 | #include <signal.h> |
16 | #include <sched.h> |
18 | #include <sched.h> |
17 | |
19 | |
18 | #include <pthread.h> |
20 | #if HAVE_SENDFILE |
19 | |
21 | # if __linux |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | # include <sys/sendfile.h> |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
23 | # elif __freebsd |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
24 | # include <sys/socket.h> |
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25 | # include <sys/uio.h> |
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26 | # elif __hpux |
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27 | # include <sys/socket.h> |
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28 | # elif __solaris /* not yet */ |
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29 | # include <sys/sendfile.h> |
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30 | # else |
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31 | # error sendfile support requested but not available |
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32 | # endif |
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33 | #endif |
23 | |
34 | |
24 | #if __ia64 |
35 | #if __ia64 |
25 | # define STACKSIZE 65536 |
36 | # define STACKSIZE 65536 |
26 | #else |
37 | #else |
27 | # define STACKSIZE 4096 |
38 | # define STACKSIZE 4096 |
… | |
… | |
29 | |
40 | |
30 | enum { |
41 | enum { |
31 | REQ_QUIT, |
42 | REQ_QUIT, |
32 | REQ_OPEN, REQ_CLOSE, |
43 | REQ_OPEN, REQ_CLOSE, |
33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
44 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
|
|
45 | REQ_SENDFILE, |
34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
46 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
35 | REQ_FSYNC, REQ_FDATASYNC, |
47 | REQ_FSYNC, REQ_FDATASYNC, |
36 | REQ_UNLINK, REQ_RMDIR, REQ_SYMLINK, |
48 | REQ_UNLINK, REQ_RMDIR, |
37 | REQ_SYMLINK, |
49 | REQ_SYMLINK, |
38 | }; |
50 | }; |
39 | |
51 | |
40 | typedef struct aio_cb { |
52 | typedef struct aio_cb { |
41 | struct aio_cb *volatile next; |
53 | struct aio_cb *volatile next; |
42 | |
54 | |
43 | int type; |
55 | int type; |
44 | |
56 | |
45 | int fd; |
57 | int fd, fd2; |
46 | off_t offset; |
58 | off_t offset; |
47 | size_t length; |
59 | size_t length; |
48 | ssize_t result; |
60 | ssize_t result; |
49 | mode_t mode; /* open */ |
61 | mode_t mode; /* open */ |
50 | int errorno; |
62 | int errorno; |
51 | SV *data, *callback, *fh; |
63 | SV *data, *callback; |
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|
64 | SV *fh, *fh2; |
52 | void *dataptr, *data2ptr; |
65 | void *dataptr, *data2ptr; |
53 | STRLEN dataoffset; |
66 | STRLEN dataoffset; |
54 | |
67 | |
55 | Stat_t *statdata; |
68 | Stat_t *statdata; |
56 | } aio_cb; |
69 | } aio_cb; |
57 | |
70 | |
58 | typedef aio_cb *aio_req; |
71 | typedef aio_cb *aio_req; |
59 | |
72 | |
60 | static int started; |
73 | static int started, wanted; |
61 | static volatile int nreqs; |
74 | static volatile int nreqs; |
62 | static int max_outstanding = 1<<30; |
75 | static int max_outstanding = 1<<30; |
63 | static int respipe [2]; |
76 | static int respipe [2]; |
64 | |
77 | |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
78 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
66 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
79 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
67 | static pthread_mutex_t frklock = PTHREAD_MUTEX_INITIALIZER; |
|
|
68 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
80 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
69 | |
81 | |
70 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
82 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
71 | static volatile aio_req ress, rese; /* queue start, queue end */ |
83 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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84 | |
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85 | static void free_req (aio_req req) |
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86 | { |
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87 | if (req->data) |
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88 | SvREFCNT_dec (req->data); |
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89 | |
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90 | if (req->fh) |
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91 | SvREFCNT_dec (req->fh); |
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92 | |
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93 | if (req->fh2) |
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94 | SvREFCNT_dec (req->fh2); |
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95 | |
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96 | if (req->statdata) |
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97 | Safefree (req->statdata); |
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98 | |
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99 | if (req->callback) |
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100 | SvREFCNT_dec (req->callback); |
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101 | |
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102 | Safefree (req); |
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103 | } |
72 | |
104 | |
73 | static void |
105 | static void |
74 | poll_wait () |
106 | poll_wait () |
75 | { |
107 | { |
76 | if (nreqs && !ress) |
108 | if (nreqs && !ress) |
… | |
… | |
86 | static int |
118 | static int |
87 | poll_cb () |
119 | poll_cb () |
88 | { |
120 | { |
89 | dSP; |
121 | dSP; |
90 | int count = 0; |
122 | int count = 0; |
|
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123 | int do_croak = 0; |
91 | aio_req req, prv; |
124 | aio_req req; |
92 | |
125 | |
93 | pthread_mutex_lock (&reslock); |
126 | for (;;) |
94 | |
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95 | { |
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96 | /* read any signals sent by the worker threads */ |
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97 | char buf [32]; |
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98 | while (read (respipe [0], buf, 32) == 32) |
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99 | ; |
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100 | } |
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101 | |
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102 | req = ress; |
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103 | ress = rese = 0; |
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104 | |
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105 | pthread_mutex_unlock (&reslock); |
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106 | |
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107 | while (req) |
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108 | { |
127 | { |
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128 | pthread_mutex_lock (&reslock); |
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129 | req = ress; |
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130 | |
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131 | if (req) |
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132 | { |
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133 | ress = req->next; |
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134 | |
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135 | if (!ress) |
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136 | { |
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137 | /* read any signals sent by the worker threads */ |
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138 | char buf [32]; |
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139 | while (read (respipe [0], buf, 32) == 32) |
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140 | ; |
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141 | |
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142 | rese = 0; |
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143 | } |
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144 | } |
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145 | |
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146 | pthread_mutex_unlock (&reslock); |
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147 | |
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148 | if (!req) |
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149 | break; |
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150 | |
109 | nreqs--; |
151 | nreqs--; |
110 | |
152 | |
111 | if (req->type == REQ_QUIT) |
153 | if (req->type == REQ_QUIT) |
112 | started--; |
154 | started--; |
113 | else |
155 | else |
114 | { |
156 | { |
115 | int errorno = errno; |
157 | int errorno = errno; |
116 | errno = req->errorno; |
158 | errno = req->errorno; |
117 | |
159 | |
118 | if (req->type == REQ_READ) |
160 | if (req->type == REQ_READ) |
119 | SvCUR_set (req->data, req->dataoffset |
161 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
120 | + req->result > 0 ? req->result : 0); |
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121 | |
162 | |
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163 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
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164 | SvREADONLY_off (req->data); |
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165 | |
122 | if (req->data) |
166 | if (req->statdata) |
123 | SvREFCNT_dec (req->data); |
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124 | |
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125 | if (req->fh) |
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126 | SvREFCNT_dec (req->fh); |
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127 | |
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128 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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129 | { |
167 | { |
130 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
168 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
131 | PL_laststatval = req->result; |
169 | PL_laststatval = req->result; |
132 | PL_statcache = *(req->statdata); |
170 | PL_statcache = *(req->statdata); |
133 | |
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134 | Safefree (req->statdata); |
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135 | } |
171 | } |
136 | |
172 | |
137 | ENTER; |
173 | ENTER; |
138 | PUSHMARK (SP); |
174 | PUSHMARK (SP); |
139 | XPUSHs (sv_2mortal (newSViv (req->result))); |
175 | XPUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
156 | if (SvOK (req->callback)) |
192 | if (SvOK (req->callback)) |
157 | { |
193 | { |
158 | PUTBACK; |
194 | PUTBACK; |
159 | call_sv (req->callback, G_VOID | G_EVAL); |
195 | call_sv (req->callback, G_VOID | G_EVAL); |
160 | SPAGAIN; |
196 | SPAGAIN; |
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197 | |
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198 | if (SvTRUE (ERRSV)) |
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199 | { |
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200 | free_req (req); |
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201 | croak (0); |
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202 | } |
161 | } |
203 | } |
162 | |
204 | |
163 | LEAVE; |
205 | LEAVE; |
164 | |
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165 | if (req->callback) |
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166 | SvREFCNT_dec (req->callback); |
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167 | |
206 | |
168 | errno = errorno; |
207 | errno = errorno; |
169 | count++; |
208 | count++; |
170 | } |
209 | } |
171 | |
210 | |
172 | prv = req; |
211 | free_req (req); |
173 | req = req->next; |
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174 | Safefree (prv); |
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175 | |
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176 | /* TODO: croak on errors? */ |
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177 | } |
212 | } |
178 | |
213 | |
179 | return count; |
214 | return count; |
180 | } |
215 | } |
181 | |
216 | |
… | |
… | |
202 | } |
237 | } |
203 | |
238 | |
204 | static void |
239 | static void |
205 | send_req (aio_req req) |
240 | send_req (aio_req req) |
206 | { |
241 | { |
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242 | while (started < wanted && nreqs >= started) |
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243 | start_thread (); |
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244 | |
207 | nreqs++; |
245 | nreqs++; |
208 | |
246 | |
209 | pthread_mutex_lock (&reqlock); |
247 | pthread_mutex_lock (&reqlock); |
210 | |
248 | |
211 | req->next = 0; |
249 | req->next = 0; |
… | |
… | |
219 | reqe = reqs = req; |
257 | reqe = reqs = req; |
220 | |
258 | |
221 | pthread_cond_signal (&reqwait); |
259 | pthread_cond_signal (&reqwait); |
222 | pthread_mutex_unlock (&reqlock); |
260 | pthread_mutex_unlock (&reqlock); |
223 | |
261 | |
224 | while (nreqs > max_outstanding) |
262 | if (nreqs > max_outstanding) |
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263 | for (;;) |
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264 | { |
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265 | poll_cb (); |
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266 | |
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267 | if (nreqs <= max_outstanding) |
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268 | break; |
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269 | |
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270 | poll_wait (); |
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271 | } |
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272 | } |
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273 | |
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274 | static void |
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275 | end_thread (void) |
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276 | { |
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277 | aio_req req; |
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278 | Newz (0, req, 1, aio_cb); |
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279 | req->type = REQ_QUIT; |
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280 | |
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281 | send_req (req); |
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282 | } |
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283 | |
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284 | static void min_parallel (int nthreads) |
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285 | { |
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286 | if (wanted < nthreads) |
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287 | wanted = nthreads; |
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288 | } |
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289 | |
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290 | static void max_parallel (int nthreads) |
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291 | { |
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292 | int cur = started; |
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293 | |
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294 | if (wanted > nthreads) |
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295 | wanted = nthreads; |
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296 | |
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297 | while (cur > wanted) |
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298 | { |
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299 | end_thread (); |
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300 | cur--; |
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301 | } |
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302 | |
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303 | while (started > wanted) |
225 | { |
304 | { |
226 | poll_wait (); |
305 | poll_wait (); |
227 | poll_cb (); |
306 | poll_cb (); |
228 | } |
307 | } |
229 | } |
308 | } |
230 | |
309 | |
231 | static void |
310 | static void create_pipe () |
232 | end_thread (void) |
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233 | { |
311 | { |
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312 | if (pipe (respipe)) |
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313 | croak ("unable to initialize result pipe"); |
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314 | |
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315 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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316 | croak ("cannot set result pipe to nonblocking mode"); |
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317 | |
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318 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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319 | croak ("cannot set result pipe to nonblocking mode"); |
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320 | } |
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321 | |
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322 | static void atfork_prepare (void) |
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323 | { |
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324 | pthread_mutex_lock (&reqlock); |
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325 | pthread_mutex_lock (&reslock); |
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326 | } |
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327 | |
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328 | static void atfork_parent (void) |
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329 | { |
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330 | pthread_mutex_unlock (&reslock); |
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331 | pthread_mutex_unlock (&reqlock); |
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332 | } |
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333 | |
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334 | static void atfork_child (void) |
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335 | { |
234 | aio_req req; |
336 | aio_req prv; |
235 | New (0, req, 1, aio_cb); |
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236 | req->type = REQ_QUIT; |
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237 | |
337 | |
238 | send_req (req); |
338 | started = 0; |
239 | } |
|
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240 | |
339 | |
241 | |
340 | while (reqs) |
242 | static void min_parallel (int nthreads) |
341 | { |
243 | { |
342 | prv = reqs; |
244 | while (nthreads > started) |
343 | reqs = prv->next; |
245 | start_thread (); |
344 | free_req (prv); |
246 | } |
|
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247 | |
|
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248 | static void max_parallel (int nthreads) |
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249 | { |
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250 | int cur = started; |
|
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251 | while (cur > nthreads) |
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252 | { |
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253 | end_thread (); |
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254 | cur--; |
|
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255 | } |
345 | } |
256 | |
346 | |
257 | while (started > nthreads) |
347 | reqs = reqe = 0; |
|
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348 | |
|
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349 | while (ress) |
258 | { |
350 | { |
259 | poll_wait (); |
351 | prv = ress; |
260 | poll_cb (); |
352 | ress = prv->next; |
|
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353 | free_req (prv); |
261 | } |
354 | } |
262 | } |
|
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263 | |
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264 | static int fork_started; |
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265 | |
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266 | static void atfork_prepare (void) |
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267 | { |
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268 | pthread_mutex_lock (&frklock); |
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269 | |
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270 | fork_started = started; |
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271 | |
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272 | for (;;) { |
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273 | while (nreqs) |
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274 | { |
355 | |
275 | poll_wait (); |
|
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276 | poll_cb (); |
|
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277 | } |
|
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278 | |
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279 | max_parallel (0); |
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280 | |
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281 | pthread_mutex_lock (&reqlock); |
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282 | |
|
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283 | if (!nreqs && !started) |
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284 | break; |
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285 | |
|
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286 | pthread_mutex_unlock (&reqlock); |
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287 | |
|
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288 | min_parallel (fork_started); |
|
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289 | } |
|
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290 | |
|
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291 | pthread_mutex_lock (&reslock); |
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292 | |
|
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293 | assert (!started); |
|
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294 | assert (!nreqs); |
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295 | assert (!reqs && !reqe); |
|
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296 | assert (!ress && !rese); |
|
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297 | } |
|
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298 | |
|
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299 | static void atfork_parent (void) |
|
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300 | { |
|
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301 | pthread_mutex_unlock (&reslock); |
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302 | min_parallel (fork_started); |
|
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303 | pthread_mutex_unlock (&reqlock); |
|
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304 | pthread_mutex_unlock (&frklock); |
|
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305 | } |
|
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306 | |
|
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307 | static void atfork_child (void) |
|
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308 | { |
|
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309 | reqs = reqe = 0; |
356 | ress = rese = 0; |
|
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357 | |
|
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358 | close (respipe [0]); |
|
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359 | close (respipe [1]); |
|
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360 | create_pipe (); |
310 | |
361 | |
311 | atfork_parent (); |
362 | atfork_parent (); |
312 | } |
363 | } |
|
|
364 | |
|
|
365 | /* currently noops */ |
|
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366 | #define LOCK_FD(fd) do { } while (0) |
|
|
367 | #define UNLOCK_FD(fd) do { } while (0) |
313 | |
368 | |
314 | /*****************************************************************************/ |
369 | /*****************************************************************************/ |
315 | /* work around various missing functions */ |
370 | /* work around various missing functions */ |
316 | |
371 | |
317 | #if !HAVE_PREADWRITE |
372 | #if !HAVE_PREADWRITE |
… | |
… | |
329 | pread (int fd, void *buf, size_t count, off_t offset) |
384 | pread (int fd, void *buf, size_t count, off_t offset) |
330 | { |
385 | { |
331 | ssize_t res; |
386 | ssize_t res; |
332 | off_t ooffset; |
387 | off_t ooffset; |
333 | |
388 | |
334 | pthread_mutex_lock (&iolock); |
389 | LOCK_FD (fd); |
|
|
390 | pthread_mutex_lock (&iolock); /* replace by LOCK_FD and private buffer */ |
335 | ooffset = lseek (fd, 0, SEEK_CUR); |
391 | ooffset = lseek (fd, 0, SEEK_CUR); |
336 | lseek (fd, offset, SEEK_SET); |
392 | lseek (fd, offset, SEEK_SET); |
337 | res = read (fd, buf, count); |
393 | res = read (fd, buf, count); |
338 | lseek (fd, ooffset, SEEK_SET); |
394 | lseek (fd, ooffset, SEEK_SET); |
339 | pthread_mutex_unlock (&iolock); |
395 | pthread_mutex_unlock (&iolock); |
|
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396 | UNLOCK_FD (d); |
340 | |
397 | |
341 | return res; |
398 | return res; |
342 | } |
399 | } |
343 | |
400 | |
344 | static ssize_t |
401 | static ssize_t |
345 | pwrite (int fd, void *buf, size_t count, off_t offset) |
402 | pwrite (int fd, void *buf, size_t count, off_t offset) |
346 | { |
403 | { |
347 | ssize_t res; |
404 | ssize_t res; |
348 | off_t ooffset; |
405 | off_t ooffset; |
349 | |
406 | |
350 | pthread_mutex_lock (&iolock); |
407 | LOCK_FD (fd); |
|
|
408 | pthread_mutex_lock (&iolock); /* replace by LOCK_FD and private buffer */ |
351 | ooffset = lseek (fd, 0, SEEK_CUR); |
409 | ooffset = lseek (fd, 0, SEEK_CUR); |
352 | lseek (fd, offset, SEEK_SET); |
410 | lseek (fd, offset, SEEK_SET); |
353 | res = write (fd, buf, count); |
411 | res = write (fd, buf, count); |
354 | lseek (fd, offset, SEEK_SET); |
412 | lseek (fd, offset, SEEK_SET); |
355 | pthread_mutex_unlock (&iolock); |
413 | pthread_mutex_unlock (&iolock); |
|
|
414 | UNLOCK_FD (d); |
356 | |
415 | |
357 | return res; |
416 | return res; |
358 | } |
417 | } |
359 | #endif |
418 | #endif |
360 | |
419 | |
… | |
… | |
380 | } |
439 | } |
381 | |
440 | |
382 | errno = 0; |
441 | errno = 0; |
383 | } |
442 | } |
384 | #endif |
443 | #endif |
|
|
444 | |
|
|
445 | /* sendfile always needs emulation */ |
|
|
446 | static ssize_t |
|
|
447 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
448 | { |
|
|
449 | ssize_t res; |
|
|
450 | |
|
|
451 | if (!count) |
|
|
452 | return 0; |
|
|
453 | |
|
|
454 | LOCK_FD (ofd); |
|
|
455 | |
|
|
456 | #if HAVE_SENDFILE |
|
|
457 | # if __linux |
|
|
458 | res = sendfile (ofd, ifd, &offset, count); |
|
|
459 | |
|
|
460 | # elif __freebsd |
|
|
461 | /* |
|
|
462 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
463 | * wasted on making it similar to other I/O functions. |
|
|
464 | */ |
|
|
465 | { |
|
|
466 | off_t sbytes; |
|
|
467 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
468 | |
|
|
469 | if (res < 0 && sbytes) |
|
|
470 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
471 | res = sbytes; |
|
|
472 | } |
|
|
473 | |
|
|
474 | # elif __hpux |
|
|
475 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
476 | |
|
|
477 | # elif __solaris |
|
|
478 | { |
|
|
479 | struct sendfilevec vec; |
|
|
480 | size_t sbytes; |
|
|
481 | |
|
|
482 | vec.sfv_fd = ifd; |
|
|
483 | vec.sfv_flag = 0; |
|
|
484 | vec.sfv_off = offset; |
|
|
485 | vec.sfv_len = count; |
|
|
486 | |
|
|
487 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
488 | |
|
|
489 | if (res < 0 && sbytes) |
|
|
490 | res = sbytes; |
|
|
491 | } |
|
|
492 | |
|
|
493 | # else |
|
|
494 | res = -1; |
|
|
495 | errno = ENOSYS; |
|
|
496 | # endif |
|
|
497 | #endif |
|
|
498 | |
|
|
499 | if (res < 0 |
|
|
500 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
501 | #if __solaris |
|
|
502 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
503 | #endif |
|
|
504 | ) |
|
|
505 | ) |
|
|
506 | { |
|
|
507 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
508 | char *buf = malloc (4096); |
|
|
509 | res = 0; |
|
|
510 | |
|
|
511 | for (;;) |
|
|
512 | { |
|
|
513 | ssize_t cnt; |
|
|
514 | |
|
|
515 | cnt = pread (ifd, buf, 4096, offset); |
|
|
516 | |
|
|
517 | if (cnt <= 0) |
|
|
518 | { |
|
|
519 | if (cnt && !res) res = -1; |
|
|
520 | break; |
|
|
521 | } |
|
|
522 | |
|
|
523 | cnt = write (ofd, buf, cnt); |
|
|
524 | |
|
|
525 | if (cnt <= 0) |
|
|
526 | { |
|
|
527 | if (cnt && !res) res = -1; |
|
|
528 | break; |
|
|
529 | } |
|
|
530 | |
|
|
531 | offset += cnt; |
|
|
532 | res += cnt; |
|
|
533 | } |
|
|
534 | |
|
|
535 | { |
|
|
536 | int errorno = errno; |
|
|
537 | free (buf); |
|
|
538 | errno = errorno; |
|
|
539 | } |
|
|
540 | } |
|
|
541 | |
|
|
542 | UNLOCK_FD (ofd); |
|
|
543 | |
|
|
544 | return res; |
|
|
545 | } |
385 | |
546 | |
386 | /*****************************************************************************/ |
547 | /*****************************************************************************/ |
387 | |
548 | |
388 | static void * |
549 | static void * |
389 | aio_proc (void *thr_arg) |
550 | aio_proc (void *thr_arg) |
… | |
… | |
421 | { |
582 | { |
422 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
583 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
423 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
584 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
424 | |
585 | |
425 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
586 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
587 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
426 | |
588 | |
427 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
589 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
428 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
590 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
429 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
591 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
430 | |
592 | |
… | |
… | |
479 | \ |
641 | \ |
480 | Newz (0, req, 1, aio_cb); \ |
642 | Newz (0, req, 1, aio_cb); \ |
481 | if (!req) \ |
643 | if (!req) \ |
482 | croak ("out of memory during aio_req allocation"); \ |
644 | croak ("out of memory during aio_req allocation"); \ |
483 | \ |
645 | \ |
484 | req->callback = SvREFCNT_inc (callback); |
646 | req->callback = newSVsv (callback); |
485 | |
647 | |
486 | MODULE = IO::AIO PACKAGE = IO::AIO |
648 | MODULE = IO::AIO PACKAGE = IO::AIO |
487 | |
649 | |
488 | PROTOTYPES: ENABLE |
650 | PROTOTYPES: ENABLE |
489 | |
651 | |
490 | BOOT: |
652 | BOOT: |
491 | { |
653 | { |
492 | if (pipe (respipe)) |
654 | create_pipe (); |
493 | croak ("unable to initialize result pipe"); |
|
|
494 | |
|
|
495 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
496 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
497 | |
|
|
498 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
499 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
500 | |
|
|
501 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
655 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
502 | } |
656 | } |
503 | |
657 | |
504 | void |
658 | void |
505 | min_parallel(nthreads) |
659 | min_parallel(nthreads) |
… | |
… | |
561 | |
715 | |
562 | void |
716 | void |
563 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
717 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
564 | SV * fh |
718 | SV * fh |
565 | UV offset |
719 | UV offset |
566 | IV length |
720 | UV length |
567 | SV * data |
721 | SV * data |
568 | IV dataoffset |
722 | UV dataoffset |
569 | SV * callback |
723 | SV * callback |
570 | ALIAS: |
724 | ALIAS: |
571 | aio_read = REQ_READ |
725 | aio_read = REQ_READ |
572 | aio_write = REQ_WRITE |
726 | aio_write = REQ_WRITE |
573 | PROTOTYPE: $$$$$;$ |
727 | PROTOTYPE: $$$$$;$ |
… | |
… | |
610 | : IoOFP (sv_2io (fh))); |
764 | : IoOFP (sv_2io (fh))); |
611 | req->offset = offset; |
765 | req->offset = offset; |
612 | req->length = length; |
766 | req->length = length; |
613 | req->data = SvREFCNT_inc (data); |
767 | req->data = SvREFCNT_inc (data); |
614 | req->dataptr = (char *)svptr + dataoffset; |
768 | req->dataptr = (char *)svptr + dataoffset; |
615 | req->callback = SvREFCNT_inc (callback); |
769 | |
|
|
770 | if (!SvREADONLY (data)) |
|
|
771 | { |
|
|
772 | SvREADONLY_on (data); |
|
|
773 | req->data2ptr = (void *)data; |
|
|
774 | } |
616 | |
775 | |
617 | send_req (req); |
776 | send_req (req); |
618 | } |
777 | } |
|
|
778 | } |
|
|
779 | |
|
|
780 | void |
|
|
781 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
|
|
782 | SV * out_fh |
|
|
783 | SV * in_fh |
|
|
784 | UV in_offset |
|
|
785 | UV length |
|
|
786 | SV * callback |
|
|
787 | PROTOTYPE: $$$$;$ |
|
|
788 | CODE: |
|
|
789 | { |
|
|
790 | dREQ; |
|
|
791 | |
|
|
792 | req->type = REQ_SENDFILE; |
|
|
793 | req->fh = newSVsv (out_fh); |
|
|
794 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
795 | req->fh2 = newSVsv (in_fh); |
|
|
796 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
797 | req->offset = in_offset; |
|
|
798 | req->length = length; |
|
|
799 | |
|
|
800 | send_req (req); |
619 | } |
801 | } |
620 | |
802 | |
621 | void |
803 | void |
622 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
804 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
623 | SV * fh |
805 | SV * fh |
… | |
… | |
649 | { |
831 | { |
650 | dREQ; |
832 | dREQ; |
651 | |
833 | |
652 | New (0, req->statdata, 1, Stat_t); |
834 | New (0, req->statdata, 1, Stat_t); |
653 | if (!req->statdata) |
835 | if (!req->statdata) |
|
|
836 | { |
|
|
837 | free_req (req); |
654 | croak ("out of memory during aio_req->statdata allocation (sorry, i just leaked memory, too)"); |
838 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
839 | } |
655 | |
840 | |
656 | if (SvPOK (fh_or_path)) |
841 | if (SvPOK (fh_or_path)) |
657 | { |
842 | { |
658 | req->type = ix; |
843 | req->type = ix; |
659 | req->data = newSVsv (fh_or_path); |
844 | req->data = newSVsv (fh_or_path); |