1 | #if __linux |
1 | /* solaris */ |
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2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
2 | # define _GNU_SOURCE |
5 | # define _GNU_SOURCE |
3 | #endif |
6 | #endif |
4 | |
7 | |
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8 | /* just in case */ |
5 | #define _REENTRANT 1 |
9 | #define _REENTRANT 1 |
6 | |
10 | |
7 | #include <errno.h> |
11 | #include <errno.h> |
8 | |
12 | |
9 | #include "EXTERN.h" |
13 | #include "EXTERN.h" |
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… | |
13 | #include "autoconf/config.h" |
17 | #include "autoconf/config.h" |
14 | |
18 | |
15 | #include <pthread.h> |
19 | #include <pthread.h> |
16 | |
20 | |
17 | #include <stddef.h> |
21 | #include <stddef.h> |
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22 | #include <stdlib.h> |
18 | #include <errno.h> |
23 | #include <errno.h> |
19 | #include <sys/time.h> |
24 | #include <sys/time.h> |
20 | #include <sys/select.h> |
25 | #include <sys/select.h> |
21 | #include <sys/types.h> |
26 | #include <sys/types.h> |
22 | #include <sys/stat.h> |
27 | #include <sys/stat.h> |
… | |
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39 | # else |
44 | # else |
40 | # error sendfile support requested but not available |
45 | # error sendfile support requested but not available |
41 | # endif |
46 | # endif |
42 | #endif |
47 | #endif |
43 | |
48 | |
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49 | /* number of seconds after which idle threads exit */ |
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50 | #define IDLE_TIMEOUT 10 |
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51 | |
44 | /* used for struct dirent, AIX doesn't provide it */ |
52 | /* used for struct dirent, AIX doesn't provide it */ |
45 | #ifndef NAME_MAX |
53 | #ifndef NAME_MAX |
46 | # define NAME_MAX 4096 |
54 | # define NAME_MAX 4096 |
47 | #endif |
55 | #endif |
48 | |
56 | |
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57 | #ifndef PTHREAD_STACK_MIN |
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58 | /* care for broken platforms, e.g. windows */ |
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59 | # define PTHREAD_STACK_MIN 16384 |
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60 | #endif |
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61 | |
49 | #if __ia64 |
62 | #if __ia64 |
50 | # define STACKSIZE 65536 |
63 | # define STACKSIZE 65536 |
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64 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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65 | # define STACKSIZE PTHREAD_STACK_MIN |
51 | #else |
66 | #else |
52 | # define STACKSIZE 8192 |
67 | # define STACKSIZE 16384 |
53 | #endif |
68 | #endif |
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69 | |
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70 | /* wether word reads are potentially non-atomic. |
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71 | * this is conservatice, likely most arches this runs |
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72 | * on have atomic word read/writes. |
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73 | */ |
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74 | #ifndef WORDACCESS_UNSAFE |
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75 | # if __i386 || __x86_64 |
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76 | # define WORDACCESS_UNSAFE 0 |
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77 | # else |
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78 | # define WORDACCESS_UNSAFE 1 |
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79 | # endif |
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80 | #endif |
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81 | |
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82 | /* buffer size for various temporary buffers */ |
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83 | #define AIO_BUFSIZE 65536 |
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84 | |
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85 | #define dBUF \ |
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86 | char *aio_buf; \ |
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87 | LOCK (wrklock); \ |
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88 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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89 | UNLOCK (wrklock); \ |
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90 | if (!aio_buf) \ |
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91 | return -1; |
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92 | |
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93 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
54 | |
94 | |
55 | enum { |
95 | enum { |
56 | REQ_QUIT, |
96 | REQ_QUIT, |
57 | REQ_OPEN, REQ_CLOSE, |
97 | REQ_OPEN, REQ_CLOSE, |
58 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
98 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
59 | REQ_SENDFILE, |
99 | REQ_SENDFILE, |
60 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
100 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
61 | REQ_FSYNC, REQ_FDATASYNC, |
101 | REQ_FSYNC, REQ_FDATASYNC, |
62 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
102 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
63 | REQ_READDIR, |
103 | REQ_MKNOD, REQ_READDIR, |
64 | REQ_LINK, REQ_SYMLINK, |
104 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
65 | REQ_GROUP, REQ_NOP, |
105 | REQ_GROUP, REQ_NOP, |
66 | REQ_SLEEP, |
106 | REQ_BUSY, |
67 | }; |
107 | }; |
68 | |
108 | |
69 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
70 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
110 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
71 | |
111 | |
72 | typedef struct aio_cb |
112 | typedef struct aio_cb |
73 | { |
113 | { |
74 | struct aio_cb *volatile next; |
114 | struct aio_cb *volatile next; |
75 | |
115 | |
76 | SV *data, *callback; |
116 | SV *callback, *fh; |
77 | SV *fh, *fh2; |
117 | SV *sv1, *sv2; |
78 | void *dataptr, *data2ptr; |
118 | void *ptr1, *ptr2; |
79 | Stat_t *statdata; |
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80 | off_t offset; |
119 | off_t offs; |
81 | size_t length; |
120 | size_t size; |
82 | ssize_t result; |
121 | ssize_t result; |
83 | |
122 | |
84 | STRLEN dataoffset; |
123 | STRLEN stroffset; |
85 | int type; |
124 | int type; |
86 | int fd, fd2; |
125 | int int1, int2; |
87 | int errorno; |
126 | int errorno; |
88 | mode_t mode; /* open */ |
127 | mode_t mode; /* open */ |
89 | |
128 | |
90 | unsigned char flags; |
129 | unsigned char flags; |
91 | unsigned char pri; |
130 | unsigned char pri; |
… | |
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93 | SV *self; /* the perl counterpart of this request, if any */ |
132 | SV *self; /* the perl counterpart of this request, if any */ |
94 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
133 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
95 | } aio_cb; |
134 | } aio_cb; |
96 | |
135 | |
97 | enum { |
136 | enum { |
98 | FLAG_CANCELLED = 0x01, |
137 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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138 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
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139 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
99 | }; |
140 | }; |
100 | |
141 | |
101 | typedef aio_cb *aio_req; |
142 | typedef aio_cb *aio_req; |
102 | typedef aio_cb *aio_req_ornot; |
143 | typedef aio_cb *aio_req_ornot; |
103 | |
144 | |
… | |
… | |
105 | PRI_MIN = -4, |
146 | PRI_MIN = -4, |
106 | PRI_MAX = 4, |
147 | PRI_MAX = 4, |
107 | |
148 | |
108 | DEFAULT_PRI = 0, |
149 | DEFAULT_PRI = 0, |
109 | PRI_BIAS = -PRI_MIN, |
150 | PRI_BIAS = -PRI_MIN, |
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151 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
110 | }; |
152 | }; |
111 | |
153 | |
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154 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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155 | |
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156 | static unsigned int max_poll_time = 0; |
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157 | static unsigned int max_poll_reqs = 0; |
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158 | |
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159 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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160 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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161 | { |
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162 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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163 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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164 | } |
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165 | |
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166 | static pthread_t main_tid; |
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167 | static int main_sig; |
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168 | static int block_sig_level; |
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169 | |
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170 | void block_sig () |
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171 | { |
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172 | sigset_t ss; |
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173 | |
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174 | if (block_sig_level++) |
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175 | return; |
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176 | |
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177 | if (!main_sig) |
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178 | return; |
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179 | |
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180 | sigemptyset (&ss); |
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181 | sigaddset (&ss, main_sig); |
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182 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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183 | } |
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184 | |
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185 | void unblock_sig () |
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186 | { |
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187 | sigset_t ss; |
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188 | |
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189 | if (--block_sig_level) |
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190 | return; |
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191 | |
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192 | if (!main_sig) |
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193 | return; |
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194 | |
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195 | sigemptyset (&ss); |
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196 | sigaddset (&ss, main_sig); |
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197 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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198 | } |
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199 | |
112 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
200 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
113 | |
201 | |
114 | static int started, wanted; |
202 | static unsigned int started, idle, wanted; |
115 | static volatile int nreqs; |
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116 | static int max_outstanding = 1<<30; |
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117 | static int respipe [2]; |
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118 | |
203 | |
119 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
204 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
120 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
205 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
121 | #else |
206 | #else |
122 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
207 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
123 | #endif |
208 | #endif |
124 | |
209 | |
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210 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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211 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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212 | |
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213 | /* worker threads management */ |
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214 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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215 | |
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216 | typedef struct worker { |
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217 | /* locked by wrklock */ |
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218 | struct worker *prev, *next; |
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219 | |
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220 | pthread_t tid; |
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221 | |
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222 | /* locked by reslock, reqlock or wrklock */ |
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223 | aio_req req; /* currently processed request */ |
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224 | void *dbuf; |
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225 | DIR *dirp; |
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226 | } worker; |
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227 | |
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228 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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229 | |
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230 | static void worker_clear (worker *wrk) |
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231 | { |
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232 | if (wrk->dirp) |
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233 | { |
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234 | closedir (wrk->dirp); |
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235 | wrk->dirp = 0; |
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236 | } |
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237 | |
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238 | if (wrk->dbuf) |
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239 | { |
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240 | free (wrk->dbuf); |
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241 | wrk->dbuf = 0; |
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242 | } |
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243 | } |
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244 | |
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245 | static void worker_free (worker *wrk) |
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246 | { |
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247 | wrk->next->prev = wrk->prev; |
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248 | wrk->prev->next = wrk->next; |
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249 | |
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250 | free (wrk); |
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251 | } |
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252 | |
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253 | static volatile unsigned int nreqs, nready, npending; |
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254 | static volatile unsigned int max_idle = 4; |
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255 | static volatile unsigned int max_outstanding = 0xffffffff; |
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256 | static int respipe [2]; |
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257 | |
125 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
258 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
126 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
259 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
127 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
260 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
128 | |
261 | |
129 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
262 | #if WORDACCESS_UNSAFE |
130 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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131 | |
263 | |
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264 | static unsigned int get_nready () |
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265 | { |
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266 | unsigned int retval; |
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267 | |
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268 | LOCK (reqlock); |
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269 | retval = nready; |
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270 | UNLOCK (reqlock); |
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271 | |
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272 | return retval; |
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273 | } |
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274 | |
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275 | static unsigned int get_npending () |
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276 | { |
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277 | unsigned int retval; |
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278 | |
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279 | LOCK (reslock); |
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280 | retval = npending; |
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281 | UNLOCK (reslock); |
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282 | |
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283 | return retval; |
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284 | } |
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285 | |
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286 | static unsigned int get_nthreads () |
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287 | { |
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288 | unsigned int retval; |
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289 | |
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290 | LOCK (wrklock); |
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291 | retval = started; |
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292 | UNLOCK (wrklock); |
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293 | |
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294 | return retval; |
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295 | } |
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296 | |
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297 | #else |
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298 | |
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299 | # define get_nready() nready |
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300 | # define get_npending() npending |
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301 | # define get_nthreads() started |
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302 | |
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303 | #endif |
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304 | |
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305 | /* |
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306 | * a somewhat faster data structure might be nice, but |
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307 | * with 8 priorities this actually needs <20 insns |
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308 | * per shift, the most expensive operation. |
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309 | */ |
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310 | typedef struct { |
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311 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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312 | int size; |
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313 | } reqq; |
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314 | |
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315 | static reqq req_queue; |
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316 | static reqq res_queue; |
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317 | |
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318 | int reqq_push (reqq *q, aio_req req) |
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319 | { |
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320 | int pri = req->pri; |
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321 | req->next = 0; |
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322 | |
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323 | if (q->qe[pri]) |
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324 | { |
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325 | q->qe[pri]->next = req; |
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326 | q->qe[pri] = req; |
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327 | } |
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328 | else |
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329 | q->qe[pri] = q->qs[pri] = req; |
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330 | |
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331 | return q->size++; |
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332 | } |
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333 | |
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334 | aio_req reqq_shift (reqq *q) |
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335 | { |
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336 | int pri; |
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337 | |
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338 | if (!q->size) |
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339 | return 0; |
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340 | |
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341 | --q->size; |
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342 | |
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343 | for (pri = NUM_PRI; pri--; ) |
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344 | { |
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345 | aio_req req = q->qs[pri]; |
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346 | |
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347 | if (req) |
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348 | { |
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349 | if (!(q->qs[pri] = req->next)) |
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350 | q->qe[pri] = 0; |
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351 | |
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352 | return req; |
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353 | } |
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354 | } |
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355 | |
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356 | abort (); |
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357 | } |
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358 | |
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359 | static int poll_cb (); |
132 | static void req_invoke (aio_req req); |
360 | static int req_invoke (aio_req req); |
133 | static void req_free (aio_req req); |
361 | static void req_free (aio_req req); |
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362 | static void req_cancel (aio_req req); |
134 | |
363 | |
135 | /* must be called at most once */ |
364 | /* must be called at most once */ |
136 | static SV *req_sv (aio_req req, const char *klass) |
365 | static SV *req_sv (aio_req req, const char *klass) |
137 | { |
366 | { |
138 | if (!req->self) |
367 | if (!req->self) |
… | |
… | |
156 | return mg ? (aio_req)mg->mg_ptr : 0; |
385 | return mg ? (aio_req)mg->mg_ptr : 0; |
157 | } |
386 | } |
158 | |
387 | |
159 | static void aio_grp_feed (aio_req grp) |
388 | static void aio_grp_feed (aio_req grp) |
160 | { |
389 | { |
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390 | block_sig (); |
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391 | |
161 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
392 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
162 | { |
393 | { |
163 | int old_len = grp->length; |
394 | int old_len = grp->size; |
164 | |
395 | |
165 | if (grp->fh2 && SvOK (grp->fh2)) |
396 | if (grp->sv2 && SvOK (grp->sv2)) |
166 | { |
397 | { |
167 | dSP; |
398 | dSP; |
168 | |
399 | |
169 | ENTER; |
400 | ENTER; |
170 | SAVETMPS; |
401 | SAVETMPS; |
171 | PUSHMARK (SP); |
402 | PUSHMARK (SP); |
172 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
403 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
173 | PUTBACK; |
404 | PUTBACK; |
174 | call_sv (grp->fh2, G_VOID | G_EVAL); |
405 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
175 | SPAGAIN; |
406 | SPAGAIN; |
176 | FREETMPS; |
407 | FREETMPS; |
177 | LEAVE; |
408 | LEAVE; |
178 | } |
409 | } |
179 | |
410 | |
180 | /* stop if no progress has been made */ |
411 | /* stop if no progress has been made */ |
181 | if (old_len == grp->length) |
412 | if (old_len == grp->size) |
182 | { |
413 | { |
183 | SvREFCNT_dec (grp->fh2); |
414 | SvREFCNT_dec (grp->sv2); |
184 | grp->fh2 = 0; |
415 | grp->sv2 = 0; |
185 | break; |
416 | break; |
186 | } |
417 | } |
187 | } |
418 | } |
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419 | |
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420 | unblock_sig (); |
188 | } |
421 | } |
189 | |
422 | |
190 | static void aio_grp_dec (aio_req grp) |
423 | static void aio_grp_dec (aio_req grp) |
191 | { |
424 | { |
192 | --grp->length; |
425 | --grp->size; |
193 | |
426 | |
194 | /* call feeder, if applicable */ |
427 | /* call feeder, if applicable */ |
195 | aio_grp_feed (grp); |
428 | aio_grp_feed (grp); |
196 | |
429 | |
197 | /* finish, if done */ |
430 | /* finish, if done */ |
198 | if (!grp->length && grp->fd) |
431 | if (!grp->size && grp->int1) |
199 | { |
432 | { |
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433 | block_sig (); |
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434 | |
200 | req_invoke (grp); |
435 | if (!req_invoke (grp)) |
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436 | { |
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437 | req_free (grp); |
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438 | unblock_sig (); |
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439 | croak (0); |
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440 | } |
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441 | |
201 | req_free (grp); |
442 | req_free (grp); |
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443 | unblock_sig (); |
202 | } |
444 | } |
203 | } |
445 | } |
204 | |
446 | |
205 | static void poll_wait () |
447 | static int req_invoke (aio_req req) |
206 | { |
448 | { |
207 | fd_set rfd; |
449 | dSP; |
208 | |
450 | |
209 | while (nreqs) |
451 | if (req->flags & FLAG_SV1_RO_OFF) |
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452 | SvREADONLY_off (req->sv1); |
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453 | |
|
|
454 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
210 | { |
455 | { |
211 | aio_req req; |
456 | ENTER; |
212 | #if !(__x86 || __x86_64) /* safe without sempahore on this archs */ |
457 | SAVETMPS; |
213 | pthread_mutex_lock (&reslock); |
458 | PUSHMARK (SP); |
214 | #endif |
459 | EXTEND (SP, 1); |
215 | req = ress; |
|
|
216 | #if !(__x86 || __x86_64) /* safe without sempahore on this archs */ |
|
|
217 | pthread_mutex_unlock (&reslock); |
|
|
218 | #endif |
|
|
219 | |
460 | |
220 | if (req) |
461 | switch (req->type) |
221 | return; |
462 | { |
|
|
463 | case REQ_READDIR: |
|
|
464 | { |
|
|
465 | SV *rv = &PL_sv_undef; |
222 | |
466 | |
223 | FD_ZERO(&rfd); |
467 | if (req->result >= 0) |
224 | FD_SET(respipe [0], &rfd); |
468 | { |
|
|
469 | int i; |
|
|
470 | char *buf = req->ptr2; |
|
|
471 | AV *av = newAV (); |
225 | |
472 | |
226 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
473 | av_extend (av, req->result - 1); |
|
|
474 | |
|
|
475 | for (i = 0; i < req->result; ++i) |
|
|
476 | { |
|
|
477 | SV *sv = newSVpv (buf, 0); |
|
|
478 | |
|
|
479 | av_store (av, i, sv); |
|
|
480 | buf += SvCUR (sv) + 1; |
|
|
481 | } |
|
|
482 | |
|
|
483 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
484 | } |
|
|
485 | |
|
|
486 | PUSHs (rv); |
|
|
487 | } |
|
|
488 | break; |
|
|
489 | |
|
|
490 | case REQ_OPEN: |
|
|
491 | { |
|
|
492 | /* convert fd to fh */ |
|
|
493 | SV *fh; |
|
|
494 | |
|
|
495 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
496 | PUTBACK; |
|
|
497 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
498 | SPAGAIN; |
|
|
499 | |
|
|
500 | fh = POPs; |
|
|
501 | PUSHMARK (SP); |
|
|
502 | XPUSHs (fh); |
|
|
503 | } |
|
|
504 | break; |
|
|
505 | |
|
|
506 | case REQ_GROUP: |
|
|
507 | req->int1 = 2; /* mark group as finished */ |
|
|
508 | |
|
|
509 | if (req->sv1) |
|
|
510 | { |
|
|
511 | int i; |
|
|
512 | AV *av = (AV *)req->sv1; |
|
|
513 | |
|
|
514 | EXTEND (SP, AvFILL (av) + 1); |
|
|
515 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
516 | PUSHs (*av_fetch (av, i, 0)); |
|
|
517 | } |
|
|
518 | break; |
|
|
519 | |
|
|
520 | case REQ_NOP: |
|
|
521 | case REQ_BUSY: |
|
|
522 | break; |
|
|
523 | |
|
|
524 | case REQ_READLINK: |
|
|
525 | if (req->result > 0) |
|
|
526 | { |
|
|
527 | SvCUR_set (req->sv1, req->result); |
|
|
528 | *SvEND (req->sv1) = 0; |
|
|
529 | PUSHs (req->sv1); |
|
|
530 | } |
|
|
531 | break; |
|
|
532 | |
|
|
533 | case REQ_STAT: |
|
|
534 | case REQ_LSTAT: |
|
|
535 | case REQ_FSTAT: |
|
|
536 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
537 | PL_laststatval = req->result; |
|
|
538 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
539 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
540 | break; |
|
|
541 | |
|
|
542 | case REQ_READ: |
|
|
543 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
544 | *SvEND (req->sv1) = 0; |
|
|
545 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
546 | break; |
|
|
547 | |
|
|
548 | default: |
|
|
549 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
550 | break; |
|
|
551 | } |
|
|
552 | |
|
|
553 | errno = req->errorno; |
|
|
554 | |
|
|
555 | PUTBACK; |
|
|
556 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
557 | SPAGAIN; |
|
|
558 | |
|
|
559 | FREETMPS; |
|
|
560 | LEAVE; |
227 | } |
561 | } |
228 | } |
|
|
229 | |
562 | |
230 | static void req_invoke (aio_req req) |
|
|
231 | { |
|
|
232 | dSP; |
|
|
233 | int errorno = errno; |
|
|
234 | |
|
|
235 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
|
|
236 | return; |
|
|
237 | |
|
|
238 | errno = req->errorno; |
|
|
239 | |
|
|
240 | ENTER; |
|
|
241 | SAVETMPS; |
|
|
242 | PUSHMARK (SP); |
|
|
243 | EXTEND (SP, 1); |
|
|
244 | |
|
|
245 | switch (req->type) |
|
|
246 | { |
|
|
247 | case REQ_READDIR: |
|
|
248 | { |
|
|
249 | SV *rv = &PL_sv_undef; |
|
|
250 | |
|
|
251 | if (req->result >= 0) |
|
|
252 | { |
|
|
253 | char *buf = req->data2ptr; |
|
|
254 | AV *av = newAV (); |
|
|
255 | |
|
|
256 | while (req->result) |
|
|
257 | { |
|
|
258 | SV *sv = newSVpv (buf, 0); |
|
|
259 | |
|
|
260 | av_push (av, sv); |
|
|
261 | buf += SvCUR (sv) + 1; |
|
|
262 | req->result--; |
|
|
263 | } |
|
|
264 | |
|
|
265 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
266 | } |
|
|
267 | |
|
|
268 | PUSHs (rv); |
|
|
269 | } |
|
|
270 | break; |
|
|
271 | |
|
|
272 | case REQ_OPEN: |
|
|
273 | { |
|
|
274 | /* convert fd to fh */ |
|
|
275 | SV *fh; |
|
|
276 | |
|
|
277 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
278 | PUTBACK; |
|
|
279 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
280 | SPAGAIN; |
|
|
281 | |
|
|
282 | fh = SvREFCNT_inc (POPs); |
|
|
283 | |
|
|
284 | PUSHMARK (SP); |
|
|
285 | XPUSHs (sv_2mortal (fh)); |
|
|
286 | } |
|
|
287 | break; |
|
|
288 | |
|
|
289 | case REQ_GROUP: |
|
|
290 | req->fd = 2; /* mark group as finished */ |
|
|
291 | |
|
|
292 | if (req->data) |
|
|
293 | { |
|
|
294 | int i; |
|
|
295 | AV *av = (AV *)req->data; |
|
|
296 | |
|
|
297 | EXTEND (SP, AvFILL (av) + 1); |
|
|
298 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
299 | PUSHs (*av_fetch (av, i, 0)); |
|
|
300 | } |
|
|
301 | break; |
|
|
302 | |
|
|
303 | case REQ_NOP: |
|
|
304 | case REQ_SLEEP: |
|
|
305 | break; |
|
|
306 | |
|
|
307 | default: |
|
|
308 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
309 | break; |
|
|
310 | } |
|
|
311 | |
|
|
312 | |
|
|
313 | PUTBACK; |
|
|
314 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
315 | SPAGAIN; |
|
|
316 | |
|
|
317 | FREETMPS; |
|
|
318 | LEAVE; |
|
|
319 | |
|
|
320 | errno = errorno; |
|
|
321 | |
|
|
322 | if (SvTRUE (ERRSV)) |
|
|
323 | { |
|
|
324 | req_free (req); |
|
|
325 | croak (0); |
|
|
326 | } |
|
|
327 | } |
|
|
328 | |
|
|
329 | static void req_free (aio_req req) |
|
|
330 | { |
|
|
331 | if (req->grp) |
563 | if (req->grp) |
332 | { |
564 | { |
333 | aio_req grp = req->grp; |
565 | aio_req grp = req->grp; |
334 | |
566 | |
335 | /* unlink request */ |
567 | /* unlink request */ |
… | |
… | |
340 | grp->grp_first = req->grp_next; |
572 | grp->grp_first = req->grp_next; |
341 | |
573 | |
342 | aio_grp_dec (grp); |
574 | aio_grp_dec (grp); |
343 | } |
575 | } |
344 | |
576 | |
|
|
577 | return !SvTRUE (ERRSV); |
|
|
578 | } |
|
|
579 | |
|
|
580 | static void req_free (aio_req req) |
|
|
581 | { |
345 | if (req->self) |
582 | if (req->self) |
346 | { |
583 | { |
347 | sv_unmagic (req->self, PERL_MAGIC_ext); |
584 | sv_unmagic (req->self, PERL_MAGIC_ext); |
348 | SvREFCNT_dec (req->self); |
585 | SvREFCNT_dec (req->self); |
349 | } |
586 | } |
350 | |
587 | |
351 | SvREFCNT_dec (req->data); |
|
|
352 | SvREFCNT_dec (req->fh); |
588 | SvREFCNT_dec (req->fh); |
|
|
589 | SvREFCNT_dec (req->sv1); |
353 | SvREFCNT_dec (req->fh2); |
590 | SvREFCNT_dec (req->sv2); |
354 | SvREFCNT_dec (req->callback); |
591 | SvREFCNT_dec (req->callback); |
355 | Safefree (req->statdata); |
|
|
356 | |
592 | |
357 | if (req->type == REQ_READDIR && req->result >= 0) |
593 | if (req->flags & FLAG_PTR2_FREE) |
358 | free (req->data2ptr); |
594 | free (req->ptr2); |
359 | |
595 | |
360 | Safefree (req); |
596 | Safefree (req); |
361 | } |
597 | } |
362 | |
598 | |
|
|
599 | static void req_cancel_subs (aio_req grp) |
|
|
600 | { |
|
|
601 | aio_req sub; |
|
|
602 | |
|
|
603 | if (grp->type != REQ_GROUP) |
|
|
604 | return; |
|
|
605 | |
|
|
606 | SvREFCNT_dec (grp->sv2); |
|
|
607 | grp->sv2 = 0; |
|
|
608 | |
|
|
609 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
610 | req_cancel (sub); |
|
|
611 | } |
|
|
612 | |
363 | static void req_cancel (aio_req req) |
613 | static void req_cancel (aio_req req) |
364 | { |
614 | { |
365 | req->flags |= FLAG_CANCELLED; |
615 | req->flags |= FLAG_CANCELLED; |
366 | |
616 | |
367 | if (req->type == REQ_GROUP) |
617 | req_cancel_subs (req); |
368 | { |
|
|
369 | aio_req sub; |
|
|
370 | |
|
|
371 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
372 | req_cancel (sub); |
|
|
373 | } |
|
|
374 | } |
|
|
375 | |
|
|
376 | static int poll_cb () |
|
|
377 | { |
|
|
378 | dSP; |
|
|
379 | int count = 0; |
|
|
380 | int do_croak = 0; |
|
|
381 | aio_req req; |
|
|
382 | |
|
|
383 | for (;;) |
|
|
384 | { |
|
|
385 | pthread_mutex_lock (&reslock); |
|
|
386 | req = ress; |
|
|
387 | |
|
|
388 | if (req) |
|
|
389 | { |
|
|
390 | ress = req->next; |
|
|
391 | |
|
|
392 | if (!ress) |
|
|
393 | { |
|
|
394 | /* read any signals sent by the worker threads */ |
|
|
395 | char buf [32]; |
|
|
396 | while (read (respipe [0], buf, 32) == 32) |
|
|
397 | ; |
|
|
398 | |
|
|
399 | rese = 0; |
|
|
400 | } |
|
|
401 | } |
|
|
402 | |
|
|
403 | pthread_mutex_unlock (&reslock); |
|
|
404 | |
|
|
405 | if (!req) |
|
|
406 | break; |
|
|
407 | |
|
|
408 | --nreqs; |
|
|
409 | |
|
|
410 | if (req->type == REQ_QUIT) |
|
|
411 | started--; |
|
|
412 | else if (req->type == REQ_GROUP && req->length) |
|
|
413 | { |
|
|
414 | req->fd = 1; /* mark request as delayed */ |
|
|
415 | continue; |
|
|
416 | } |
|
|
417 | else |
|
|
418 | { |
|
|
419 | if (req->type == REQ_READ) |
|
|
420 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
421 | |
|
|
422 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
423 | SvREADONLY_off (req->data); |
|
|
424 | |
|
|
425 | if (req->statdata) |
|
|
426 | { |
|
|
427 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
428 | PL_laststatval = req->result; |
|
|
429 | PL_statcache = *(req->statdata); |
|
|
430 | } |
|
|
431 | |
|
|
432 | req_invoke (req); |
|
|
433 | |
|
|
434 | count++; |
|
|
435 | } |
|
|
436 | |
|
|
437 | req_free (req); |
|
|
438 | } |
|
|
439 | |
|
|
440 | return count; |
|
|
441 | } |
618 | } |
442 | |
619 | |
443 | static void *aio_proc(void *arg); |
620 | static void *aio_proc(void *arg); |
444 | |
621 | |
445 | static void start_thread (void) |
622 | static void start_thread (void) |
446 | { |
623 | { |
447 | sigset_t fullsigset, oldsigset; |
624 | sigset_t fullsigset, oldsigset; |
448 | pthread_t tid; |
|
|
449 | pthread_attr_t attr; |
625 | pthread_attr_t attr; |
|
|
626 | |
|
|
627 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
628 | |
|
|
629 | if (!wrk) |
|
|
630 | croak ("unable to allocate worker thread data"); |
450 | |
631 | |
451 | pthread_attr_init (&attr); |
632 | pthread_attr_init (&attr); |
452 | pthread_attr_setstacksize (&attr, STACKSIZE); |
633 | pthread_attr_setstacksize (&attr, STACKSIZE); |
453 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
634 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
635 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
636 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
637 | #endif |
454 | |
638 | |
455 | sigfillset (&fullsigset); |
639 | sigfillset (&fullsigset); |
|
|
640 | |
|
|
641 | LOCK (wrklock); |
456 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
642 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
457 | |
643 | |
458 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
644 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
459 | started++; |
|
|
460 | |
|
|
461 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
462 | } |
|
|
463 | |
|
|
464 | static void req_send (aio_req req) |
|
|
465 | { |
|
|
466 | while (started < wanted && nreqs >= started) |
|
|
467 | start_thread (); |
|
|
468 | |
|
|
469 | ++nreqs; |
|
|
470 | |
|
|
471 | pthread_mutex_lock (&reqlock); |
|
|
472 | |
|
|
473 | req->next = 0; |
|
|
474 | |
|
|
475 | if (reqe) |
|
|
476 | { |
645 | { |
477 | reqe->next = req; |
646 | wrk->prev = &wrk_first; |
478 | reqe = req; |
647 | wrk->next = wrk_first.next; |
|
|
648 | wrk_first.next->prev = wrk; |
|
|
649 | wrk_first.next = wrk; |
|
|
650 | ++started; |
479 | } |
651 | } |
480 | else |
652 | else |
481 | reqe = reqs = req; |
653 | free (wrk); |
482 | |
654 | |
|
|
655 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
656 | UNLOCK (wrklock); |
|
|
657 | } |
|
|
658 | |
|
|
659 | static void maybe_start_thread () |
|
|
660 | { |
|
|
661 | if (get_nthreads () >= wanted) |
|
|
662 | return; |
|
|
663 | |
|
|
664 | /* todo: maybe use idle here, but might be less exact */ |
|
|
665 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
666 | return; |
|
|
667 | |
|
|
668 | start_thread (); |
|
|
669 | } |
|
|
670 | |
|
|
671 | static void req_send (aio_req req) |
|
|
672 | { |
|
|
673 | block_sig (); |
|
|
674 | |
|
|
675 | ++nreqs; |
|
|
676 | |
|
|
677 | LOCK (reqlock); |
|
|
678 | ++nready; |
|
|
679 | reqq_push (&req_queue, req); |
483 | pthread_cond_signal (&reqwait); |
680 | pthread_cond_signal (&reqwait); |
484 | pthread_mutex_unlock (&reqlock); |
681 | UNLOCK (reqlock); |
485 | |
682 | |
486 | if (nreqs > max_outstanding) |
683 | unblock_sig (); |
487 | for (;;) |
|
|
488 | { |
|
|
489 | poll_cb (); |
|
|
490 | |
684 | |
491 | if (nreqs <= max_outstanding) |
685 | maybe_start_thread (); |
492 | break; |
|
|
493 | |
|
|
494 | poll_wait (); |
|
|
495 | } |
|
|
496 | } |
686 | } |
497 | |
687 | |
498 | static void end_thread (void) |
688 | static void end_thread (void) |
499 | { |
689 | { |
500 | aio_req req; |
690 | aio_req req; |
|
|
691 | |
501 | Newz (0, req, 1, aio_cb); |
692 | Newz (0, req, 1, aio_cb); |
|
|
693 | |
502 | req->type = REQ_QUIT; |
694 | req->type = REQ_QUIT; |
|
|
695 | req->pri = PRI_MAX + PRI_BIAS; |
503 | |
696 | |
504 | req_send (req); |
697 | LOCK (reqlock); |
|
|
698 | reqq_push (&req_queue, req); |
|
|
699 | pthread_cond_signal (&reqwait); |
|
|
700 | UNLOCK (reqlock); |
|
|
701 | |
|
|
702 | LOCK (wrklock); |
|
|
703 | --started; |
|
|
704 | UNLOCK (wrklock); |
|
|
705 | } |
|
|
706 | |
|
|
707 | static void set_max_idle (int nthreads) |
|
|
708 | { |
|
|
709 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
710 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
711 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
505 | } |
712 | } |
506 | |
713 | |
507 | static void min_parallel (int nthreads) |
714 | static void min_parallel (int nthreads) |
508 | { |
715 | { |
509 | if (wanted < nthreads) |
716 | if (wanted < nthreads) |
510 | wanted = nthreads; |
717 | wanted = nthreads; |
511 | } |
718 | } |
512 | |
719 | |
513 | static void max_parallel (int nthreads) |
720 | static void max_parallel (int nthreads) |
514 | { |
721 | { |
515 | int cur = started; |
|
|
516 | |
|
|
517 | if (wanted > nthreads) |
722 | if (wanted > nthreads) |
518 | wanted = nthreads; |
723 | wanted = nthreads; |
519 | |
724 | |
520 | while (cur > wanted) |
725 | while (started > wanted) |
|
|
726 | end_thread (); |
|
|
727 | } |
|
|
728 | |
|
|
729 | static void poll_wait () |
|
|
730 | { |
|
|
731 | fd_set rfd; |
|
|
732 | |
|
|
733 | while (nreqs) |
521 | { |
734 | { |
|
|
735 | int size; |
|
|
736 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
737 | size = res_queue.size; |
|
|
738 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
739 | |
|
|
740 | if (size) |
|
|
741 | return; |
|
|
742 | |
522 | end_thread (); |
743 | maybe_start_thread (); |
523 | cur--; |
744 | |
|
|
745 | FD_ZERO(&rfd); |
|
|
746 | FD_SET(respipe [0], &rfd); |
|
|
747 | |
|
|
748 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
524 | } |
749 | } |
|
|
750 | } |
525 | |
751 | |
526 | while (started > wanted) |
752 | static int poll_cb () |
|
|
753 | { |
|
|
754 | dSP; |
|
|
755 | int count = 0; |
|
|
756 | int maxreqs = max_poll_reqs; |
|
|
757 | int do_croak = 0; |
|
|
758 | struct timeval tv_start, tv_now; |
|
|
759 | aio_req req; |
|
|
760 | |
|
|
761 | if (max_poll_time) |
|
|
762 | gettimeofday (&tv_start, 0); |
|
|
763 | |
|
|
764 | block_sig (); |
|
|
765 | |
|
|
766 | for (;;) |
527 | { |
767 | { |
|
|
768 | for (;;) |
|
|
769 | { |
|
|
770 | maybe_start_thread (); |
|
|
771 | |
|
|
772 | LOCK (reslock); |
|
|
773 | req = reqq_shift (&res_queue); |
|
|
774 | |
|
|
775 | if (req) |
|
|
776 | { |
|
|
777 | --npending; |
|
|
778 | |
|
|
779 | if (!res_queue.size) |
|
|
780 | { |
|
|
781 | /* read any signals sent by the worker threads */ |
|
|
782 | char buf [4]; |
|
|
783 | while (read (respipe [0], buf, 4) == 4) |
|
|
784 | ; |
|
|
785 | } |
|
|
786 | } |
|
|
787 | |
|
|
788 | UNLOCK (reslock); |
|
|
789 | |
|
|
790 | if (!req) |
|
|
791 | break; |
|
|
792 | |
|
|
793 | --nreqs; |
|
|
794 | |
|
|
795 | if (req->type == REQ_GROUP && req->size) |
|
|
796 | { |
|
|
797 | req->int1 = 1; /* mark request as delayed */ |
|
|
798 | continue; |
|
|
799 | } |
|
|
800 | else |
|
|
801 | { |
|
|
802 | if (!req_invoke (req)) |
|
|
803 | { |
|
|
804 | req_free (req); |
|
|
805 | unblock_sig (); |
|
|
806 | croak (0); |
|
|
807 | } |
|
|
808 | |
|
|
809 | count++; |
|
|
810 | } |
|
|
811 | |
|
|
812 | req_free (req); |
|
|
813 | |
|
|
814 | if (maxreqs && !--maxreqs) |
|
|
815 | break; |
|
|
816 | |
|
|
817 | if (max_poll_time) |
|
|
818 | { |
|
|
819 | gettimeofday (&tv_now, 0); |
|
|
820 | |
|
|
821 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
822 | break; |
|
|
823 | } |
|
|
824 | } |
|
|
825 | |
|
|
826 | if (nreqs <= max_outstanding) |
|
|
827 | break; |
|
|
828 | |
528 | poll_wait (); |
829 | poll_wait (); |
529 | poll_cb (); |
830 | |
|
|
831 | ++maxreqs; |
530 | } |
832 | } |
|
|
833 | |
|
|
834 | unblock_sig (); |
|
|
835 | return count; |
531 | } |
836 | } |
532 | |
837 | |
533 | static void create_pipe () |
838 | static void create_pipe () |
534 | { |
839 | { |
535 | if (pipe (respipe)) |
840 | if (pipe (respipe)) |
… | |
… | |
559 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
864 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
560 | { |
865 | { |
561 | ssize_t res; |
866 | ssize_t res; |
562 | off_t ooffset; |
867 | off_t ooffset; |
563 | |
868 | |
564 | pthread_mutex_lock (&preadwritelock); |
869 | LOCK (preadwritelock); |
565 | ooffset = lseek (fd, 0, SEEK_CUR); |
870 | ooffset = lseek (fd, 0, SEEK_CUR); |
566 | lseek (fd, offset, SEEK_SET); |
871 | lseek (fd, offset, SEEK_SET); |
567 | res = read (fd, buf, count); |
872 | res = read (fd, buf, count); |
568 | lseek (fd, ooffset, SEEK_SET); |
873 | lseek (fd, ooffset, SEEK_SET); |
569 | pthread_mutex_unlock (&preadwritelock); |
874 | UNLOCK (preadwritelock); |
570 | |
875 | |
571 | return res; |
876 | return res; |
572 | } |
877 | } |
573 | |
878 | |
574 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
879 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
575 | { |
880 | { |
576 | ssize_t res; |
881 | ssize_t res; |
577 | off_t ooffset; |
882 | off_t ooffset; |
578 | |
883 | |
579 | pthread_mutex_lock (&preadwritelock); |
884 | LOCK (preadwritelock); |
580 | ooffset = lseek (fd, 0, SEEK_CUR); |
885 | ooffset = lseek (fd, 0, SEEK_CUR); |
581 | lseek (fd, offset, SEEK_SET); |
886 | lseek (fd, offset, SEEK_SET); |
582 | res = write (fd, buf, count); |
887 | res = write (fd, buf, count); |
583 | lseek (fd, offset, SEEK_SET); |
888 | lseek (fd, offset, SEEK_SET); |
584 | pthread_mutex_unlock (&preadwritelock); |
889 | UNLOCK (preadwritelock); |
585 | |
890 | |
586 | return res; |
891 | return res; |
587 | } |
892 | } |
588 | #endif |
893 | #endif |
589 | |
894 | |
590 | #if !HAVE_FDATASYNC |
895 | #if !HAVE_FDATASYNC |
591 | # define fdatasync fsync |
896 | # define fdatasync fsync |
592 | #endif |
897 | #endif |
593 | |
898 | |
594 | #if !HAVE_READAHEAD |
899 | #if !HAVE_READAHEAD |
595 | # define readahead aio_readahead |
900 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
596 | |
901 | |
597 | static ssize_t readahead (int fd, off_t offset, size_t count) |
902 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
598 | { |
903 | { |
599 | char readahead_buf[4096]; |
904 | dBUF; |
600 | |
905 | |
601 | while (count > 0) |
906 | while (count > 0) |
602 | { |
907 | { |
603 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
908 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
604 | |
909 | |
605 | pread (fd, readahead_buf, len, offset); |
910 | pread (fd, aio_buf, len, offset); |
606 | offset += len; |
911 | offset += len; |
607 | count -= len; |
912 | count -= len; |
608 | } |
913 | } |
609 | |
914 | |
610 | errno = 0; |
915 | errno = 0; |
611 | } |
916 | } |
|
|
917 | |
612 | #endif |
918 | #endif |
613 | |
919 | |
614 | #if !HAVE_READDIR_R |
920 | #if !HAVE_READDIR_R |
615 | # define readdir_r aio_readdir_r |
921 | # define readdir_r aio_readdir_r |
616 | |
922 | |
… | |
… | |
619 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
925 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
620 | { |
926 | { |
621 | struct dirent *e; |
927 | struct dirent *e; |
622 | int errorno; |
928 | int errorno; |
623 | |
929 | |
624 | pthread_mutex_lock (&readdirlock); |
930 | LOCK (readdirlock); |
625 | |
931 | |
626 | e = readdir (dirp); |
932 | e = readdir (dirp); |
627 | errorno = errno; |
933 | errorno = errno; |
628 | |
934 | |
629 | if (e) |
935 | if (e) |
… | |
… | |
632 | strcpy (ent->d_name, e->d_name); |
938 | strcpy (ent->d_name, e->d_name); |
633 | } |
939 | } |
634 | else |
940 | else |
635 | *res = 0; |
941 | *res = 0; |
636 | |
942 | |
637 | pthread_mutex_unlock (&readdirlock); |
943 | UNLOCK (readdirlock); |
638 | |
944 | |
639 | errno = errorno; |
945 | errno = errorno; |
640 | return e ? 0 : -1; |
946 | return e ? 0 : -1; |
641 | } |
947 | } |
642 | #endif |
948 | #endif |
643 | |
949 | |
644 | /* sendfile always needs emulation */ |
950 | /* sendfile always needs emulation */ |
645 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
951 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
646 | { |
952 | { |
647 | ssize_t res; |
953 | ssize_t res; |
648 | |
954 | |
649 | if (!count) |
955 | if (!count) |
650 | return 0; |
956 | return 0; |
… | |
… | |
661 | { |
967 | { |
662 | off_t sbytes; |
968 | off_t sbytes; |
663 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
969 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
664 | |
970 | |
665 | if (res < 0 && sbytes) |
971 | if (res < 0 && sbytes) |
666 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
972 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
667 | res = sbytes; |
973 | res = sbytes; |
668 | } |
974 | } |
669 | |
975 | |
670 | # elif __hpux |
976 | # elif __hpux |
671 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
977 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
699 | #endif |
1005 | #endif |
700 | ) |
1006 | ) |
701 | ) |
1007 | ) |
702 | { |
1008 | { |
703 | /* emulate sendfile. this is a major pain in the ass */ |
1009 | /* emulate sendfile. this is a major pain in the ass */ |
704 | char buf[4096]; |
1010 | dBUF; |
|
|
1011 | |
705 | res = 0; |
1012 | res = 0; |
706 | |
1013 | |
707 | while (count) |
1014 | while (count) |
708 | { |
1015 | { |
709 | ssize_t cnt; |
1016 | ssize_t cnt; |
710 | |
1017 | |
711 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
1018 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
712 | |
1019 | |
713 | if (cnt <= 0) |
1020 | if (cnt <= 0) |
714 | { |
1021 | { |
715 | if (cnt && !res) res = -1; |
1022 | if (cnt && !res) res = -1; |
716 | break; |
1023 | break; |
717 | } |
1024 | } |
718 | |
1025 | |
719 | cnt = write (ofd, buf, cnt); |
1026 | cnt = write (ofd, aio_buf, cnt); |
720 | |
1027 | |
721 | if (cnt <= 0) |
1028 | if (cnt <= 0) |
722 | { |
1029 | { |
723 | if (cnt && !res) res = -1; |
1030 | if (cnt && !res) res = -1; |
724 | break; |
1031 | break; |
… | |
… | |
732 | |
1039 | |
733 | return res; |
1040 | return res; |
734 | } |
1041 | } |
735 | |
1042 | |
736 | /* read a full directory */ |
1043 | /* read a full directory */ |
737 | static int scandir_ (const char *path, void **namesp) |
1044 | static void scandir_ (aio_req req, worker *self) |
738 | { |
1045 | { |
739 | DIR *dirp = opendir (path); |
1046 | DIR *dirp; |
740 | union |
1047 | union |
741 | { |
1048 | { |
742 | struct dirent d; |
1049 | struct dirent d; |
743 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1050 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
744 | } u; |
1051 | } *u; |
745 | struct dirent *entp; |
1052 | struct dirent *entp; |
746 | char *name, *names; |
1053 | char *name, *names; |
747 | int memlen = 4096; |
1054 | int memlen = 4096; |
748 | int memofs = 0; |
1055 | int memofs = 0; |
749 | int res = 0; |
1056 | int res = 0; |
750 | int errorno; |
1057 | int errorno; |
751 | |
1058 | |
752 | if (!dirp) |
1059 | LOCK (wrklock); |
753 | return -1; |
1060 | self->dirp = dirp = opendir (req->ptr1); |
754 | |
1061 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1062 | req->flags |= FLAG_PTR2_FREE; |
755 | names = malloc (memlen); |
1063 | req->ptr2 = names = malloc (memlen); |
|
|
1064 | UNLOCK (wrklock); |
|
|
1065 | |
|
|
1066 | if (dirp && u && names) |
|
|
1067 | for (;;) |
|
|
1068 | { |
|
|
1069 | errno = 0; |
|
|
1070 | readdir_r (dirp, &u->d, &entp); |
|
|
1071 | |
|
|
1072 | if (!entp) |
|
|
1073 | break; |
|
|
1074 | |
|
|
1075 | name = entp->d_name; |
|
|
1076 | |
|
|
1077 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1078 | { |
|
|
1079 | int len = strlen (name) + 1; |
|
|
1080 | |
|
|
1081 | res++; |
|
|
1082 | |
|
|
1083 | while (memofs + len > memlen) |
|
|
1084 | { |
|
|
1085 | memlen *= 2; |
|
|
1086 | LOCK (wrklock); |
|
|
1087 | req->ptr2 = names = realloc (names, memlen); |
|
|
1088 | UNLOCK (wrklock); |
|
|
1089 | |
|
|
1090 | if (!names) |
|
|
1091 | break; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | memcpy (names + memofs, name, len); |
|
|
1095 | memofs += len; |
|
|
1096 | } |
|
|
1097 | } |
|
|
1098 | |
|
|
1099 | if (errno) |
|
|
1100 | res = -1; |
|
|
1101 | |
|
|
1102 | req->result = res; |
|
|
1103 | } |
|
|
1104 | |
|
|
1105 | /*****************************************************************************/ |
|
|
1106 | |
|
|
1107 | static void *aio_proc (void *thr_arg) |
|
|
1108 | { |
|
|
1109 | aio_req req; |
|
|
1110 | struct timespec ts; |
|
|
1111 | worker *self = (worker *)thr_arg; |
|
|
1112 | |
|
|
1113 | /* try to distribute timeouts somewhat evenly */ |
|
|
1114 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1115 | * (1000000000UL / 1024UL); |
756 | |
1116 | |
757 | for (;;) |
1117 | for (;;) |
758 | { |
1118 | { |
759 | errno = 0, readdir_r (dirp, &u.d, &entp); |
1119 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
760 | |
1120 | |
761 | if (!entp) |
1121 | LOCK (reqlock); |
762 | break; |
|
|
763 | |
|
|
764 | name = entp->d_name; |
|
|
765 | |
|
|
766 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
767 | { |
|
|
768 | int len = strlen (name) + 1; |
|
|
769 | |
|
|
770 | res++; |
|
|
771 | |
|
|
772 | while (memofs + len > memlen) |
|
|
773 | { |
|
|
774 | memlen *= 2; |
|
|
775 | names = realloc (names, memlen); |
|
|
776 | if (!names) |
|
|
777 | break; |
|
|
778 | } |
|
|
779 | |
|
|
780 | memcpy (names + memofs, name, len); |
|
|
781 | memofs += len; |
|
|
782 | } |
|
|
783 | } |
|
|
784 | |
|
|
785 | errorno = errno; |
|
|
786 | closedir (dirp); |
|
|
787 | |
|
|
788 | if (errorno) |
|
|
789 | { |
|
|
790 | free (names); |
|
|
791 | errno = errorno; |
|
|
792 | res = -1; |
|
|
793 | } |
|
|
794 | |
|
|
795 | *namesp = (void *)names; |
|
|
796 | return res; |
|
|
797 | } |
|
|
798 | |
|
|
799 | /*****************************************************************************/ |
|
|
800 | |
|
|
801 | static void *aio_proc (void *thr_arg) |
|
|
802 | { |
|
|
803 | aio_req req; |
|
|
804 | int type; |
|
|
805 | |
|
|
806 | do |
|
|
807 | { |
|
|
808 | pthread_mutex_lock (&reqlock); |
|
|
809 | |
1122 | |
810 | for (;;) |
1123 | for (;;) |
811 | { |
1124 | { |
812 | req = reqs; |
1125 | self->req = req = reqq_shift (&req_queue); |
813 | |
|
|
814 | if (reqs) |
|
|
815 | { |
|
|
816 | reqs = reqs->next; |
|
|
817 | if (!reqs) reqe = 0; |
|
|
818 | } |
|
|
819 | |
1126 | |
820 | if (req) |
1127 | if (req) |
821 | break; |
1128 | break; |
822 | |
1129 | |
|
|
1130 | ++idle; |
|
|
1131 | |
|
|
1132 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1133 | == ETIMEDOUT) |
|
|
1134 | { |
|
|
1135 | if (idle > max_idle) |
|
|
1136 | { |
|
|
1137 | --idle; |
|
|
1138 | UNLOCK (reqlock); |
|
|
1139 | LOCK (wrklock); |
|
|
1140 | --started; |
|
|
1141 | UNLOCK (wrklock); |
|
|
1142 | goto quit; |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | /* we are allowed to idle, so do so without any timeout */ |
823 | pthread_cond_wait (&reqwait, &reqlock); |
1146 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1147 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | --idle; |
824 | } |
1151 | } |
825 | |
1152 | |
826 | pthread_mutex_unlock (&reqlock); |
1153 | --nready; |
|
|
1154 | |
|
|
1155 | UNLOCK (reqlock); |
827 | |
1156 | |
828 | errno = 0; /* strictly unnecessary */ |
1157 | errno = 0; /* strictly unnecessary */ |
829 | type = req->type; /* remember type for QUIT check */ |
|
|
830 | |
1158 | |
831 | if (!(req->flags & FLAG_CANCELLED)) |
1159 | if (!(req->flags & FLAG_CANCELLED)) |
832 | switch (type) |
1160 | switch (req->type) |
833 | { |
1161 | { |
834 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1162 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
835 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1163 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
836 | |
1164 | |
837 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1165 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
838 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
1166 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
839 | |
1167 | |
840 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1168 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
841 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1169 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
842 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1170 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
843 | |
1171 | |
844 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1172 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
845 | case REQ_CLOSE: req->result = close (req->fd); break; |
1173 | case REQ_CLOSE: req->result = close (req->int1); break; |
846 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1174 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
847 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1175 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
848 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1176 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
849 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1177 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
850 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1178 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1179 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1180 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
851 | |
1181 | |
852 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1182 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
853 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1183 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
854 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
1184 | case REQ_READDIR: scandir_ (req, self); break; |
855 | |
1185 | |
856 | case REQ_SLEEP: |
1186 | case REQ_BUSY: |
857 | { |
1187 | { |
858 | struct timeval tv; |
1188 | struct timeval tv; |
859 | |
1189 | |
860 | tv.tv_sec = req->fd; |
1190 | tv.tv_sec = req->int1; |
861 | tv.tv_usec = req->fd2; |
1191 | tv.tv_usec = req->int2; |
862 | |
1192 | |
863 | req->result = select (0, 0, 0, 0, &tv); |
1193 | req->result = select (0, 0, 0, 0, &tv); |
864 | } |
1194 | } |
865 | |
1195 | |
866 | case REQ_GROUP: |
1196 | case REQ_GROUP: |
867 | case REQ_NOP: |
1197 | case REQ_NOP: |
|
|
1198 | break; |
|
|
1199 | |
868 | case REQ_QUIT: |
1200 | case REQ_QUIT: |
869 | break; |
1201 | goto quit; |
870 | |
1202 | |
871 | default: |
1203 | default: |
872 | req->result = ENOSYS; |
1204 | req->result = ENOSYS; |
873 | break; |
1205 | break; |
874 | } |
1206 | } |
875 | |
1207 | |
876 | req->errorno = errno; |
1208 | req->errorno = errno; |
877 | |
1209 | |
878 | pthread_mutex_lock (&reslock); |
1210 | LOCK (reslock); |
879 | |
1211 | |
880 | req->next = 0; |
1212 | ++npending; |
881 | |
1213 | |
882 | if (rese) |
1214 | if (!reqq_push (&res_queue, req)) |
883 | { |
1215 | { |
884 | rese->next = req; |
|
|
885 | rese = req; |
|
|
886 | } |
|
|
887 | else |
|
|
888 | { |
|
|
889 | rese = ress = req; |
|
|
890 | |
|
|
891 | /* write a dummy byte to the pipe so fh becomes ready */ |
1216 | /* write a dummy byte to the pipe so fh becomes ready */ |
892 | write (respipe [1], &respipe, 1); |
1217 | write (respipe [1], &respipe, 1); |
|
|
1218 | |
|
|
1219 | /* optionally signal the main thread asynchronously */ |
|
|
1220 | if (main_sig) |
|
|
1221 | pthread_kill (main_tid, main_sig); |
893 | } |
1222 | } |
894 | |
1223 | |
895 | pthread_mutex_unlock (&reslock); |
1224 | self->req = 0; |
|
|
1225 | worker_clear (self); |
|
|
1226 | |
|
|
1227 | UNLOCK (reslock); |
896 | } |
1228 | } |
897 | while (type != REQ_QUIT); |
1229 | |
|
|
1230 | quit: |
|
|
1231 | LOCK (wrklock); |
|
|
1232 | worker_free (self); |
|
|
1233 | UNLOCK (wrklock); |
898 | |
1234 | |
899 | return 0; |
1235 | return 0; |
900 | } |
1236 | } |
901 | |
1237 | |
902 | /*****************************************************************************/ |
1238 | /*****************************************************************************/ |
903 | |
1239 | |
904 | static void atfork_prepare (void) |
1240 | static void atfork_prepare (void) |
905 | { |
1241 | { |
906 | pthread_mutex_lock (&reqlock); |
1242 | LOCK (wrklock); |
907 | pthread_mutex_lock (&reslock); |
1243 | LOCK (reqlock); |
|
|
1244 | LOCK (reslock); |
908 | #if !HAVE_PREADWRITE |
1245 | #if !HAVE_PREADWRITE |
909 | pthread_mutex_lock (&preadwritelock); |
1246 | LOCK (preadwritelock); |
910 | #endif |
1247 | #endif |
911 | #if !HAVE_READDIR_R |
1248 | #if !HAVE_READDIR_R |
912 | pthread_mutex_lock (&readdirlock); |
1249 | LOCK (readdirlock); |
913 | #endif |
1250 | #endif |
914 | } |
1251 | } |
915 | |
1252 | |
916 | static void atfork_parent (void) |
1253 | static void atfork_parent (void) |
917 | { |
1254 | { |
918 | #if !HAVE_READDIR_R |
1255 | #if !HAVE_READDIR_R |
919 | pthread_mutex_unlock (&readdirlock); |
1256 | UNLOCK (readdirlock); |
920 | #endif |
1257 | #endif |
921 | #if !HAVE_PREADWRITE |
1258 | #if !HAVE_PREADWRITE |
922 | pthread_mutex_unlock (&preadwritelock); |
1259 | UNLOCK (preadwritelock); |
923 | #endif |
1260 | #endif |
924 | pthread_mutex_unlock (&reslock); |
1261 | UNLOCK (reslock); |
925 | pthread_mutex_unlock (&reqlock); |
1262 | UNLOCK (reqlock); |
|
|
1263 | UNLOCK (wrklock); |
926 | } |
1264 | } |
927 | |
1265 | |
928 | static void atfork_child (void) |
1266 | static void atfork_child (void) |
929 | { |
1267 | { |
930 | aio_req prv; |
1268 | aio_req prv; |
931 | |
1269 | |
932 | started = 0; |
1270 | while (prv = reqq_shift (&req_queue)) |
|
|
1271 | req_free (prv); |
933 | |
1272 | |
934 | while (reqs) |
1273 | while (prv = reqq_shift (&res_queue)) |
|
|
1274 | req_free (prv); |
|
|
1275 | |
|
|
1276 | while (wrk_first.next != &wrk_first) |
935 | { |
1277 | { |
936 | prv = reqs; |
1278 | worker *wrk = wrk_first.next; |
937 | reqs = prv->next; |
1279 | |
|
|
1280 | if (wrk->req) |
|
|
1281 | req_free (wrk->req); |
|
|
1282 | |
|
|
1283 | worker_clear (wrk); |
938 | req_free (prv); |
1284 | worker_free (wrk); |
939 | } |
1285 | } |
940 | |
1286 | |
941 | reqs = reqe = 0; |
1287 | started = 0; |
942 | |
1288 | idle = 0; |
943 | while (ress) |
1289 | nreqs = 0; |
944 | { |
1290 | nready = 0; |
945 | prv = ress; |
1291 | npending = 0; |
946 | ress = prv->next; |
|
|
947 | req_free (prv); |
|
|
948 | } |
|
|
949 | |
|
|
950 | ress = rese = 0; |
|
|
951 | |
1292 | |
952 | close (respipe [0]); |
1293 | close (respipe [0]); |
953 | close (respipe [1]); |
1294 | close (respipe [1]); |
954 | create_pipe (); |
1295 | create_pipe (); |
955 | |
1296 | |
… | |
… | |
982 | PROTOTYPES: ENABLE |
1323 | PROTOTYPES: ENABLE |
983 | |
1324 | |
984 | BOOT: |
1325 | BOOT: |
985 | { |
1326 | { |
986 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1327 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1328 | |
987 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1329 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
988 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1330 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
989 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1331 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1332 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1333 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1334 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1335 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
990 | |
1336 | |
991 | create_pipe (); |
1337 | create_pipe (); |
992 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1338 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
993 | } |
1339 | } |
994 | |
1340 | |
995 | void |
1341 | void |
996 | min_parallel (nthreads) |
1342 | max_poll_reqs (int nreqs) |
997 | int nthreads |
|
|
998 | PROTOTYPE: $ |
1343 | PROTOTYPE: $ |
|
|
1344 | CODE: |
|
|
1345 | max_poll_reqs = nreqs; |
999 | |
1346 | |
1000 | void |
1347 | void |
1001 | max_parallel (nthreads) |
1348 | max_poll_time (double nseconds) |
1002 | int nthreads |
|
|
1003 | PROTOTYPE: $ |
1349 | PROTOTYPE: $ |
|
|
1350 | CODE: |
|
|
1351 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1352 | |
|
|
1353 | void |
|
|
1354 | min_parallel (int nthreads) |
|
|
1355 | PROTOTYPE: $ |
|
|
1356 | |
|
|
1357 | void |
|
|
1358 | max_parallel (int nthreads) |
|
|
1359 | PROTOTYPE: $ |
|
|
1360 | |
|
|
1361 | void |
|
|
1362 | max_idle (int nthreads) |
|
|
1363 | PROTOTYPE: $ |
|
|
1364 | CODE: |
|
|
1365 | set_max_idle (nthreads); |
1004 | |
1366 | |
1005 | int |
1367 | int |
1006 | max_outstanding (nreqs) |
1368 | max_outstanding (int maxreqs) |
1007 | int nreqs |
1369 | PROTOTYPE: $ |
1008 | PROTOTYPE: $ |
|
|
1009 | CODE: |
1370 | CODE: |
1010 | RETVAL = max_outstanding; |
1371 | RETVAL = max_outstanding; |
1011 | max_outstanding = nreqs; |
1372 | max_outstanding = maxreqs; |
|
|
1373 | OUTPUT: |
|
|
1374 | RETVAL |
1012 | |
1375 | |
1013 | void |
1376 | void |
1014 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1377 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1015 | SV * pathname |
1378 | SV8 * pathname |
1016 | int flags |
1379 | int flags |
1017 | int mode |
1380 | int mode |
1018 | SV * callback |
1381 | SV * callback |
1019 | PROTOTYPE: $$$;$ |
1382 | PROTOTYPE: $$$;$ |
1020 | PPCODE: |
1383 | PPCODE: |
1021 | { |
1384 | { |
1022 | dREQ; |
1385 | dREQ; |
1023 | |
1386 | |
1024 | req->type = REQ_OPEN; |
1387 | req->type = REQ_OPEN; |
1025 | req->data = newSVsv (pathname); |
1388 | req->sv1 = newSVsv (pathname); |
1026 | req->dataptr = SvPVbyte_nolen (req->data); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1027 | req->fd = flags; |
1390 | req->int1 = flags; |
1028 | req->mode = mode; |
1391 | req->mode = mode; |
1029 | |
1392 | |
1030 | REQ_SEND; |
1393 | REQ_SEND; |
1031 | } |
1394 | } |
1032 | |
1395 | |
… | |
… | |
1042 | PPCODE: |
1405 | PPCODE: |
1043 | { |
1406 | { |
1044 | dREQ; |
1407 | dREQ; |
1045 | |
1408 | |
1046 | req->type = ix; |
1409 | req->type = ix; |
1047 | req->fh = newSVsv (fh); |
1410 | req->fh = newSVsv (fh); |
1048 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1411 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1049 | |
1412 | |
1050 | REQ_SEND (req); |
1413 | REQ_SEND (req); |
1051 | } |
1414 | } |
1052 | |
1415 | |
1053 | void |
1416 | void |
1054 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1417 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1055 | SV * fh |
1418 | SV * fh |
1056 | UV offset |
1419 | UV offset |
1057 | UV length |
1420 | UV length |
1058 | SV * data |
1421 | SV8 * data |
1059 | UV dataoffset |
1422 | UV dataoffset |
1060 | SV * callback |
1423 | SV * callback |
1061 | ALIAS: |
1424 | ALIAS: |
1062 | aio_read = REQ_READ |
1425 | aio_read = REQ_READ |
1063 | aio_write = REQ_WRITE |
1426 | aio_write = REQ_WRITE |
1064 | PROTOTYPE: $$$$$;$ |
1427 | PROTOTYPE: $$$$$;$ |
1065 | PPCODE: |
1428 | PPCODE: |
1066 | { |
1429 | { |
1067 | aio_req req; |
|
|
1068 | STRLEN svlen; |
1430 | STRLEN svlen; |
1069 | char *svptr = SvPVbyte (data, svlen); |
1431 | char *svptr = SvPVbyte (data, svlen); |
1070 | |
1432 | |
1071 | SvUPGRADE (data, SVt_PV); |
1433 | SvUPGRADE (data, SVt_PV); |
1072 | SvPOK_on (data); |
1434 | SvPOK_on (data); |
… | |
… | |
1094 | |
1456 | |
1095 | { |
1457 | { |
1096 | dREQ; |
1458 | dREQ; |
1097 | |
1459 | |
1098 | req->type = ix; |
1460 | req->type = ix; |
1099 | req->fh = newSVsv (fh); |
1461 | req->fh = newSVsv (fh); |
1100 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1462 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1101 | : IoOFP (sv_2io (fh))); |
1463 | : IoOFP (sv_2io (fh))); |
1102 | req->offset = offset; |
1464 | req->offs = offset; |
1103 | req->length = length; |
1465 | req->size = length; |
1104 | req->data = SvREFCNT_inc (data); |
1466 | req->sv1 = SvREFCNT_inc (data); |
1105 | req->dataptr = (char *)svptr + dataoffset; |
1467 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1468 | req->stroffset = dataoffset; |
1106 | |
1469 | |
1107 | if (!SvREADONLY (data)) |
1470 | if (!SvREADONLY (data)) |
1108 | { |
1471 | { |
1109 | SvREADONLY_on (data); |
1472 | SvREADONLY_on (data); |
1110 | req->data2ptr = (void *)data; |
1473 | req->flags |= FLAG_SV1_RO_OFF; |
1111 | } |
1474 | } |
1112 | |
1475 | |
1113 | REQ_SEND; |
1476 | REQ_SEND; |
1114 | } |
1477 | } |
|
|
1478 | } |
|
|
1479 | |
|
|
1480 | void |
|
|
1481 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1482 | SV8 * path |
|
|
1483 | SV * callback |
|
|
1484 | PROTOTYPE: $$;$ |
|
|
1485 | PPCODE: |
|
|
1486 | { |
|
|
1487 | SV *data; |
|
|
1488 | dREQ; |
|
|
1489 | |
|
|
1490 | data = newSV (NAME_MAX); |
|
|
1491 | SvPOK_on (data); |
|
|
1492 | |
|
|
1493 | req->type = REQ_READLINK; |
|
|
1494 | req->fh = newSVsv (path); |
|
|
1495 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1496 | req->sv1 = data; |
|
|
1497 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1498 | |
|
|
1499 | REQ_SEND; |
1115 | } |
1500 | } |
1116 | |
1501 | |
1117 | void |
1502 | void |
1118 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1503 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1119 | SV * out_fh |
1504 | SV * out_fh |
… | |
… | |
1125 | PPCODE: |
1510 | PPCODE: |
1126 | { |
1511 | { |
1127 | dREQ; |
1512 | dREQ; |
1128 | |
1513 | |
1129 | req->type = REQ_SENDFILE; |
1514 | req->type = REQ_SENDFILE; |
1130 | req->fh = newSVsv (out_fh); |
1515 | req->fh = newSVsv (out_fh); |
1131 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1516 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1132 | req->fh2 = newSVsv (in_fh); |
1517 | req->sv2 = newSVsv (in_fh); |
1133 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1518 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1134 | req->offset = in_offset; |
1519 | req->offs = in_offset; |
1135 | req->length = length; |
1520 | req->size = length; |
1136 | |
1521 | |
1137 | REQ_SEND; |
1522 | REQ_SEND; |
1138 | } |
1523 | } |
1139 | |
1524 | |
1140 | void |
1525 | void |
… | |
… | |
1147 | PPCODE: |
1532 | PPCODE: |
1148 | { |
1533 | { |
1149 | dREQ; |
1534 | dREQ; |
1150 | |
1535 | |
1151 | req->type = REQ_READAHEAD; |
1536 | req->type = REQ_READAHEAD; |
1152 | req->fh = newSVsv (fh); |
1537 | req->fh = newSVsv (fh); |
1153 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1538 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1154 | req->offset = offset; |
1539 | req->offs = offset; |
1155 | req->length = length; |
1540 | req->size = length; |
1156 | |
1541 | |
1157 | REQ_SEND; |
1542 | REQ_SEND; |
1158 | } |
1543 | } |
1159 | |
1544 | |
1160 | void |
1545 | void |
1161 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1546 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1162 | SV * fh_or_path |
1547 | SV8 * fh_or_path |
1163 | SV * callback |
1548 | SV * callback |
1164 | ALIAS: |
1549 | ALIAS: |
1165 | aio_stat = REQ_STAT |
1550 | aio_stat = REQ_STAT |
1166 | aio_lstat = REQ_LSTAT |
1551 | aio_lstat = REQ_LSTAT |
1167 | PPCODE: |
1552 | PPCODE: |
1168 | { |
1553 | { |
1169 | dREQ; |
1554 | dREQ; |
1170 | |
1555 | |
1171 | New (0, req->statdata, 1, Stat_t); |
1556 | req->ptr2 = malloc (sizeof (Stat_t)); |
1172 | if (!req->statdata) |
1557 | if (!req->ptr2) |
1173 | { |
1558 | { |
1174 | req_free (req); |
1559 | req_free (req); |
1175 | croak ("out of memory during aio_req->statdata allocation"); |
1560 | croak ("out of memory during aio_stat statdata allocation"); |
1176 | } |
1561 | } |
|
|
1562 | |
|
|
1563 | req->flags |= FLAG_PTR2_FREE; |
1177 | |
1564 | |
1178 | if (SvPOK (fh_or_path)) |
1565 | if (SvPOK (fh_or_path)) |
1179 | { |
1566 | { |
1180 | req->type = ix; |
1567 | req->type = ix; |
1181 | req->data = newSVsv (fh_or_path); |
1568 | req->sv1 = newSVsv (fh_or_path); |
1182 | req->dataptr = SvPVbyte_nolen (req->data); |
1569 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1183 | } |
1570 | } |
1184 | else |
1571 | else |
1185 | { |
1572 | { |
1186 | req->type = REQ_FSTAT; |
1573 | req->type = REQ_FSTAT; |
1187 | req->fh = newSVsv (fh_or_path); |
1574 | req->fh = newSVsv (fh_or_path); |
1188 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1575 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1189 | } |
1576 | } |
1190 | |
1577 | |
1191 | REQ_SEND; |
1578 | REQ_SEND; |
1192 | } |
1579 | } |
1193 | |
1580 | |
1194 | void |
1581 | void |
1195 | aio_unlink (pathname,callback=&PL_sv_undef) |
1582 | aio_unlink (pathname,callback=&PL_sv_undef) |
1196 | SV * pathname |
1583 | SV8 * pathname |
1197 | SV * callback |
1584 | SV * callback |
1198 | ALIAS: |
1585 | ALIAS: |
1199 | aio_unlink = REQ_UNLINK |
1586 | aio_unlink = REQ_UNLINK |
1200 | aio_rmdir = REQ_RMDIR |
1587 | aio_rmdir = REQ_RMDIR |
1201 | aio_readdir = REQ_READDIR |
1588 | aio_readdir = REQ_READDIR |
1202 | PPCODE: |
1589 | PPCODE: |
1203 | { |
1590 | { |
1204 | dREQ; |
1591 | dREQ; |
1205 | |
1592 | |
1206 | req->type = ix; |
1593 | req->type = ix; |
1207 | req->data = newSVsv (pathname); |
1594 | req->sv1 = newSVsv (pathname); |
1208 | req->dataptr = SvPVbyte_nolen (req->data); |
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1209 | |
1596 | |
1210 | REQ_SEND; |
1597 | REQ_SEND; |
1211 | } |
1598 | } |
1212 | |
1599 | |
1213 | void |
1600 | void |
1214 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1601 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1215 | SV * oldpath |
1602 | SV8 * oldpath |
1216 | SV * newpath |
1603 | SV8 * newpath |
1217 | SV * callback |
1604 | SV * callback |
1218 | ALIAS: |
1605 | ALIAS: |
1219 | aio_link = REQ_LINK |
1606 | aio_link = REQ_LINK |
1220 | aio_symlink = REQ_SYMLINK |
1607 | aio_symlink = REQ_SYMLINK |
1221 | aio_rename = REQ_RENAME |
1608 | aio_rename = REQ_RENAME |
1222 | PPCODE: |
1609 | PPCODE: |
1223 | { |
1610 | { |
1224 | dREQ; |
1611 | dREQ; |
1225 | |
1612 | |
1226 | req->type = ix; |
1613 | req->type = ix; |
1227 | req->fh = newSVsv (oldpath); |
1614 | req->fh = newSVsv (oldpath); |
1228 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1615 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1229 | req->data = newSVsv (newpath); |
1616 | req->sv1 = newSVsv (newpath); |
1230 | req->dataptr = SvPVbyte_nolen (req->data); |
1617 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1231 | |
1618 | |
1232 | REQ_SEND; |
1619 | REQ_SEND; |
1233 | } |
1620 | } |
1234 | |
1621 | |
1235 | void |
1622 | void |
1236 | aio_sleep (delay,callback=&PL_sv_undef) |
1623 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1237 | double delay |
1624 | SV8 * pathname |
1238 | SV * callback |
1625 | SV * callback |
|
|
1626 | UV mode |
|
|
1627 | UV dev |
1239 | PPCODE: |
1628 | PPCODE: |
1240 | { |
1629 | { |
1241 | dREQ; |
1630 | dREQ; |
|
|
1631 | |
|
|
1632 | req->type = REQ_MKNOD; |
|
|
1633 | req->sv1 = newSVsv (pathname); |
|
|
1634 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1635 | req->mode = (mode_t)mode; |
|
|
1636 | req->offs = dev; |
|
|
1637 | |
|
|
1638 | REQ_SEND; |
|
|
1639 | } |
1242 | |
1640 | |
|
|
1641 | void |
|
|
1642 | aio_busy (delay,callback=&PL_sv_undef) |
|
|
1643 | double delay |
|
|
1644 | SV * callback |
|
|
1645 | PPCODE: |
|
|
1646 | { |
|
|
1647 | dREQ; |
|
|
1648 | |
1243 | req->type = REQ_SLEEP; |
1649 | req->type = REQ_BUSY; |
1244 | req->fd = delay < 0. ? 0 : delay; |
1650 | req->int1 = delay < 0. ? 0 : delay; |
1245 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1651 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1246 | |
1652 | |
1247 | REQ_SEND; |
1653 | REQ_SEND; |
1248 | } |
1654 | } |
1249 | |
1655 | |
1250 | void |
1656 | void |
… | |
… | |
1254 | PPCODE: |
1660 | PPCODE: |
1255 | { |
1661 | { |
1256 | dREQ; |
1662 | dREQ; |
1257 | |
1663 | |
1258 | req->type = REQ_GROUP; |
1664 | req->type = REQ_GROUP; |
|
|
1665 | |
1259 | req_send (req); |
1666 | req_send (req); |
1260 | |
|
|
1261 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1667 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1262 | } |
1668 | } |
1263 | |
1669 | |
1264 | void |
1670 | void |
1265 | aio_nop (callback=&PL_sv_undef) |
1671 | aio_nop (callback=&PL_sv_undef) |
1266 | SV * callback |
1672 | SV * callback |
1267 | PPCODE: |
1673 | PPCODE: |
1268 | { |
1674 | { |
1269 | dREQ; |
1675 | dREQ; |
1270 | |
1676 | |
1271 | req->type = REQ_NOP; |
1677 | req->type = REQ_NOP; |
1272 | |
1678 | |
1273 | REQ_SEND; |
1679 | REQ_SEND; |
1274 | } |
1680 | } |
1275 | |
1681 | |
1276 | #if 0 |
1682 | int |
1277 | |
1683 | aioreq_pri (int pri = 0) |
1278 | void |
1684 | PROTOTYPE: ;$ |
1279 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1280 | CODE: |
1685 | CODE: |
|
|
1686 | RETVAL = next_pri - PRI_BIAS; |
|
|
1687 | if (items > 0) |
|
|
1688 | { |
1281 | if (pri < PRI_MIN) pri = PRI_MIN; |
1689 | if (pri < PRI_MIN) pri = PRI_MIN; |
1282 | if (pri > PRI_MAX) pri = PRI_MAX; |
1690 | if (pri > PRI_MAX) pri = PRI_MAX; |
1283 | next_pri = pri + PRI_BIAS; |
1691 | next_pri = pri + PRI_BIAS; |
|
|
1692 | } |
|
|
1693 | OUTPUT: |
|
|
1694 | RETVAL |
1284 | |
1695 | |
1285 | #endif |
1696 | void |
|
|
1697 | aioreq_nice (int nice = 0) |
|
|
1698 | CODE: |
|
|
1699 | nice = next_pri - nice; |
|
|
1700 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1701 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1702 | next_pri = nice + PRI_BIAS; |
1286 | |
1703 | |
1287 | void |
1704 | void |
1288 | flush () |
1705 | flush () |
1289 | PROTOTYPE: |
1706 | PROTOTYPE: |
1290 | CODE: |
1707 | CODE: |
… | |
… | |
1292 | { |
1709 | { |
1293 | poll_wait (); |
1710 | poll_wait (); |
1294 | poll_cb (); |
1711 | poll_cb (); |
1295 | } |
1712 | } |
1296 | |
1713 | |
1297 | void |
1714 | int |
1298 | poll() |
1715 | poll() |
1299 | PROTOTYPE: |
1716 | PROTOTYPE: |
1300 | CODE: |
1717 | CODE: |
1301 | if (nreqs) |
|
|
1302 | { |
|
|
1303 | poll_wait (); |
1718 | poll_wait (); |
1304 | poll_cb (); |
1719 | RETVAL = poll_cb (); |
1305 | } |
1720 | OUTPUT: |
|
|
1721 | RETVAL |
1306 | |
1722 | |
1307 | int |
1723 | int |
1308 | poll_fileno() |
1724 | poll_fileno() |
1309 | PROTOTYPE: |
1725 | PROTOTYPE: |
1310 | CODE: |
1726 | CODE: |
… | |
… | |
1322 | |
1738 | |
1323 | void |
1739 | void |
1324 | poll_wait() |
1740 | poll_wait() |
1325 | PROTOTYPE: |
1741 | PROTOTYPE: |
1326 | CODE: |
1742 | CODE: |
1327 | if (nreqs) |
|
|
1328 | poll_wait (); |
1743 | poll_wait (); |
|
|
1744 | |
|
|
1745 | void |
|
|
1746 | setsig (int signum = SIGIO) |
|
|
1747 | PROTOTYPE: ;$ |
|
|
1748 | CODE: |
|
|
1749 | { |
|
|
1750 | if (block_sig_level) |
|
|
1751 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1752 | |
|
|
1753 | LOCK (reslock); |
|
|
1754 | main_tid = pthread_self (); |
|
|
1755 | main_sig = signum; |
|
|
1756 | UNLOCK (reslock); |
|
|
1757 | |
|
|
1758 | if (main_sig && npending) |
|
|
1759 | pthread_kill (main_tid, main_sig); |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | void |
|
|
1763 | aio_block (SV *cb) |
|
|
1764 | PROTOTYPE: & |
|
|
1765 | PPCODE: |
|
|
1766 | { |
|
|
1767 | int count; |
|
|
1768 | |
|
|
1769 | block_sig (); |
|
|
1770 | PUSHMARK (SP); |
|
|
1771 | PUTBACK; |
|
|
1772 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1773 | SPAGAIN; |
|
|
1774 | unblock_sig (); |
|
|
1775 | |
|
|
1776 | if (SvTRUE (ERRSV)) |
|
|
1777 | croak (0); |
|
|
1778 | |
|
|
1779 | XSRETURN (count); |
|
|
1780 | } |
1329 | |
1781 | |
1330 | int |
1782 | int |
1331 | nreqs() |
1783 | nreqs() |
1332 | PROTOTYPE: |
1784 | PROTOTYPE: |
1333 | CODE: |
1785 | CODE: |
1334 | RETVAL = nreqs; |
1786 | RETVAL = nreqs; |
1335 | OUTPUT: |
1787 | OUTPUT: |
1336 | RETVAL |
1788 | RETVAL |
1337 | |
1789 | |
|
|
1790 | int |
|
|
1791 | nready() |
|
|
1792 | PROTOTYPE: |
|
|
1793 | CODE: |
|
|
1794 | RETVAL = get_nready (); |
|
|
1795 | OUTPUT: |
|
|
1796 | RETVAL |
|
|
1797 | |
|
|
1798 | int |
|
|
1799 | npending() |
|
|
1800 | PROTOTYPE: |
|
|
1801 | CODE: |
|
|
1802 | RETVAL = get_npending (); |
|
|
1803 | OUTPUT: |
|
|
1804 | RETVAL |
|
|
1805 | |
|
|
1806 | int |
|
|
1807 | nthreads() |
|
|
1808 | PROTOTYPE: |
|
|
1809 | CODE: |
|
|
1810 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1811 | RETVAL = started; |
|
|
1812 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1813 | OUTPUT: |
|
|
1814 | RETVAL |
|
|
1815 | |
1338 | PROTOTYPES: DISABLE |
1816 | PROTOTYPES: DISABLE |
1339 | |
1817 | |
1340 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1818 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1341 | |
1819 | |
1342 | void |
1820 | void |
1343 | cancel (aio_req_ornot req) |
1821 | cancel (aio_req_ornot req) |
1344 | PROTOTYPE: |
|
|
1345 | CODE: |
1822 | CODE: |
1346 | req_cancel (req); |
1823 | req_cancel (req); |
1347 | |
1824 | |
1348 | void |
1825 | void |
1349 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1826 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
… | |
… | |
1358 | PPCODE: |
1835 | PPCODE: |
1359 | { |
1836 | { |
1360 | int i; |
1837 | int i; |
1361 | aio_req req; |
1838 | aio_req req; |
1362 | |
1839 | |
|
|
1840 | if (main_sig && !block_sig_level) |
|
|
1841 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1842 | |
1363 | if (grp->fd == 2) |
1843 | if (grp->int1 == 2) |
1364 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1844 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1365 | |
1845 | |
1366 | for (i = 1; i < items; ++i ) |
1846 | for (i = 1; i < items; ++i ) |
1367 | { |
1847 | { |
1368 | if (GIMME_V != G_VOID) |
1848 | if (GIMME_V != G_VOID) |
… | |
… | |
1370 | |
1850 | |
1371 | req = SvAIO_REQ (ST (i)); |
1851 | req = SvAIO_REQ (ST (i)); |
1372 | |
1852 | |
1373 | if (req) |
1853 | if (req) |
1374 | { |
1854 | { |
1375 | ++grp->length; |
1855 | ++grp->size; |
1376 | req->grp = grp; |
1856 | req->grp = grp; |
1377 | |
1857 | |
1378 | req->grp_prev = 0; |
1858 | req->grp_prev = 0; |
1379 | req->grp_next = grp->grp_first; |
1859 | req->grp_next = grp->grp_first; |
1380 | |
1860 | |
… | |
… | |
1385 | } |
1865 | } |
1386 | } |
1866 | } |
1387 | } |
1867 | } |
1388 | |
1868 | |
1389 | void |
1869 | void |
|
|
1870 | cancel_subs (aio_req_ornot req) |
|
|
1871 | CODE: |
|
|
1872 | req_cancel_subs (req); |
|
|
1873 | |
|
|
1874 | void |
1390 | result (aio_req grp, ...) |
1875 | result (aio_req grp, ...) |
1391 | CODE: |
1876 | CODE: |
1392 | { |
1877 | { |
1393 | int i; |
1878 | int i; |
|
|
1879 | AV *av; |
|
|
1880 | |
|
|
1881 | grp->errorno = errno; |
|
|
1882 | |
1394 | AV *av = newAV (); |
1883 | av = newAV (); |
1395 | |
1884 | |
1396 | for (i = 1; i < items; ++i ) |
1885 | for (i = 1; i < items; ++i ) |
1397 | av_push (av, newSVsv (ST (i))); |
1886 | av_push (av, newSVsv (ST (i))); |
1398 | |
1887 | |
1399 | SvREFCNT_dec (grp->data); |
1888 | SvREFCNT_dec (grp->sv1); |
1400 | grp->data = (SV *)av; |
1889 | grp->sv1 = (SV *)av; |
1401 | } |
1890 | } |
1402 | |
1891 | |
1403 | void |
1892 | void |
|
|
1893 | errno (aio_req grp, int errorno = errno) |
|
|
1894 | CODE: |
|
|
1895 | grp->errorno = errorno; |
|
|
1896 | |
|
|
1897 | void |
1404 | feed_limit (aio_req grp, int limit) |
1898 | limit (aio_req grp, int limit) |
1405 | CODE: |
1899 | CODE: |
1406 | grp->fd2 = limit; |
1900 | grp->int2 = limit; |
1407 | aio_grp_feed (grp); |
1901 | aio_grp_feed (grp); |
1408 | |
1902 | |
1409 | void |
1903 | void |
1410 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1904 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1411 | CODE: |
1905 | CODE: |
1412 | { |
1906 | { |
1413 | SvREFCNT_dec (grp->fh2); |
1907 | SvREFCNT_dec (grp->sv2); |
1414 | grp->fh2 = newSVsv (callback); |
1908 | grp->sv2 = newSVsv (callback); |
1415 | |
1909 | |
1416 | if (grp->fd2 <= 0) |
1910 | if (grp->int2 <= 0) |
1417 | grp->fd2 = 2; |
1911 | grp->int2 = 2; |
1418 | |
1912 | |
1419 | aio_grp_feed (grp); |
1913 | aio_grp_feed (grp); |
1420 | } |
1914 | } |
1421 | |
1915 | |