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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) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
1 | #define _REENTRANT 1 |
9 | #define _REENTRANT 1 |
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10 | |
2 | #include <errno.h> |
11 | #include <errno.h> |
3 | |
12 | |
4 | #include "EXTERN.h" |
13 | #include "EXTERN.h" |
5 | #include "perl.h" |
14 | #include "perl.h" |
6 | #include "XSUB.h" |
15 | #include "XSUB.h" |
… | |
… | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
48 | /* used for struct dirent, AIX doesn't provide it */ |
40 | #ifndef NAME_MAX |
49 | #ifndef NAME_MAX |
41 | # define NAME_MAX 4096 |
50 | # define NAME_MAX 4096 |
42 | #endif |
51 | #endif |
43 | |
52 | |
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53 | #ifndef PTHREAD_STACK_MIN |
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54 | /* care for broken platforms, e.g. windows */ |
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55 | # define PTHREAD_STACK_MIN 16384 |
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56 | #endif |
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57 | |
44 | #if __ia64 |
58 | #if __ia64 |
45 | # define STACKSIZE 65536 |
59 | # define STACKSIZE 65536 |
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60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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61 | # define STACKSIZE PTHREAD_STACK_MIN |
46 | #else |
62 | #else |
47 | # define STACKSIZE 8192 |
63 | # define STACKSIZE 16384 |
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64 | #endif |
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65 | |
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66 | /* wether word reads are potentially non-atomic. |
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67 | * this is conservatice, likely most arches this runs |
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68 | * on have atomic word read/writes. |
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69 | */ |
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70 | #ifndef WORDREAD_UNSAFE |
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71 | # if __i386 || __x86_64 |
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72 | # define WORDREAD_UNSAFE 0 |
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73 | # else |
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74 | # define WORDREAD_UNSAFE 1 |
48 | #endif |
75 | # endif |
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76 | #endif |
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77 | |
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78 | /* buffer size for various temporary buffers */ |
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79 | #define AIO_BUFSIZE 65536 |
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80 | |
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81 | #define dBUF \ |
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82 | char *aio_buf; \ |
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83 | LOCK (wrklock); \ |
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84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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85 | UNLOCK (wrklock); \ |
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86 | if (!aio_buf) \ |
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87 | return -1; |
49 | |
88 | |
50 | enum { |
89 | enum { |
51 | REQ_QUIT, |
90 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
91 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
54 | REQ_SENDFILE, |
93 | REQ_SENDFILE, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
95 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
97 | REQ_MKNOD, REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
98 | REQ_LINK, REQ_SYMLINK, |
60 | REQ_SLEEP, |
99 | REQ_GROUP, REQ_NOP, |
61 | REQ_GROUP, |
100 | REQ_BUSY, |
62 | }; |
101 | }; |
63 | |
102 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
104 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
105 | |
67 | typedef struct aio_cb |
106 | typedef struct aio_cb |
68 | { |
107 | { |
69 | struct aio_cb *volatile next; |
108 | struct aio_cb *volatile next; |
70 | |
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71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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72 | |
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73 | SV *self; /* the perl counterpart of this request, if any */ |
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74 | |
109 | |
75 | SV *data, *callback; |
110 | SV *data, *callback; |
76 | SV *fh, *fh2; |
111 | SV *fh, *fh2; |
77 | void *dataptr, *data2ptr; |
112 | void *dataptr, *data2ptr; |
78 | Stat_t *statdata; |
113 | Stat_t *statdata; |
79 | off_t offset; |
114 | off_t offset; |
80 | size_t length; |
115 | size_t length; |
81 | ssize_t result; |
116 | ssize_t result; |
82 | |
117 | |
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118 | STRLEN dataoffset; |
83 | int type; |
119 | int type; |
84 | int fd, fd2; |
120 | int fd, fd2; |
85 | int errorno; |
121 | int errorno; |
86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
122 | mode_t mode; /* open */ |
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123 | |
88 | unsigned char cancelled; |
124 | unsigned char flags; |
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125 | unsigned char pri; |
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126 | |
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127 | SV *self; /* the perl counterpart of this request, if any */ |
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128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
89 | } aio_cb; |
129 | } aio_cb; |
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130 | |
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131 | enum { |
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132 | FLAG_CANCELLED = 0x01, |
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133 | }; |
90 | |
134 | |
91 | typedef aio_cb *aio_req; |
135 | typedef aio_cb *aio_req; |
92 | typedef aio_cb *aio_req_ornot; |
136 | typedef aio_cb *aio_req_ornot; |
93 | |
137 | |
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138 | enum { |
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139 | PRI_MIN = -4, |
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140 | PRI_MAX = 4, |
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141 | |
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142 | DEFAULT_PRI = 0, |
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143 | PRI_BIAS = -PRI_MIN, |
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144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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145 | }; |
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146 | |
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147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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148 | |
94 | static int started, wanted; |
149 | static unsigned int started, wanted; |
95 | static volatile int nreqs; |
150 | |
96 | static int max_outstanding = 1<<30; |
151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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153 | #else |
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154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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155 | #endif |
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156 | |
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157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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159 | |
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160 | /* worker threads management */ |
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161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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162 | |
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163 | typedef struct worker { |
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164 | /* locked by wrklock */ |
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165 | struct worker *prev, *next; |
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166 | |
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167 | pthread_t tid; |
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168 | |
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169 | /* locked by reslock, reqlock or wrklock */ |
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170 | aio_req req; /* currently processed request */ |
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171 | void *dbuf; |
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172 | DIR *dirp; |
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173 | } worker; |
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174 | |
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175 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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176 | |
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177 | static void worker_clear (worker *wrk) |
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178 | { |
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179 | if (wrk->dirp) |
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180 | { |
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181 | closedir (wrk->dirp); |
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182 | wrk->dirp = 0; |
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183 | } |
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184 | |
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185 | if (wrk->dbuf) |
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186 | { |
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187 | free (wrk->dbuf); |
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188 | wrk->dbuf = 0; |
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189 | } |
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190 | } |
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191 | |
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192 | static void worker_free (worker *wrk) |
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193 | { |
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194 | wrk->next->prev = wrk->prev; |
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195 | wrk->prev->next = wrk->next; |
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196 | |
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197 | free (wrk); |
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198 | } |
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199 | |
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200 | static volatile unsigned int nreqs, nready, npending; |
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201 | static volatile unsigned int max_outstanding = 0xffffffff; |
97 | static int respipe [2]; |
202 | static int respipe [2]; |
98 | |
203 | |
99 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
100 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
102 | |
207 | |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
208 | #if WORDREAD_UNSAFE |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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105 | |
209 | |
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210 | static unsigned int get_nready () |
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211 | { |
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212 | unsigned int retval; |
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213 | |
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214 | LOCK (reqlock); |
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215 | retval = nready; |
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216 | UNLOCK (reqlock); |
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217 | |
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218 | return retval; |
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219 | } |
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220 | |
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221 | static unsigned int get_npending () |
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222 | { |
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223 | unsigned int retval; |
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224 | |
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225 | LOCK (reslock); |
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226 | retval = npending; |
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227 | UNLOCK (reslock); |
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228 | |
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229 | return retval; |
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230 | } |
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231 | |
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232 | #else |
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233 | |
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234 | # define get_nready() nready |
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235 | # define get_npending() npending |
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236 | |
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237 | #endif |
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238 | |
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239 | /* |
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240 | * a somewhat faster data structure might be nice, but |
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241 | * with 8 priorities this actually needs <20 insns |
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242 | * per shift, the most expensive operation. |
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243 | */ |
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244 | typedef struct { |
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245 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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246 | int size; |
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247 | } reqq; |
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248 | |
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249 | static reqq req_queue; |
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250 | static reqq res_queue; |
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251 | |
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252 | int reqq_push (reqq *q, aio_req req) |
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253 | { |
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254 | int pri = req->pri; |
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255 | req->next = 0; |
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256 | |
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257 | if (q->qe[pri]) |
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258 | { |
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259 | q->qe[pri]->next = req; |
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260 | q->qe[pri] = req; |
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261 | } |
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262 | else |
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263 | q->qe[pri] = q->qs[pri] = req; |
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264 | |
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265 | return q->size++; |
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266 | } |
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267 | |
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268 | aio_req reqq_shift (reqq *q) |
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269 | { |
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270 | int pri; |
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271 | |
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272 | if (!q->size) |
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273 | return 0; |
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274 | |
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275 | --q->size; |
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276 | |
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277 | for (pri = NUM_PRI; pri--; ) |
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278 | { |
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279 | aio_req req = q->qs[pri]; |
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280 | |
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281 | if (req) |
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282 | { |
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283 | if (!(q->qs[pri] = req->next)) |
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284 | q->qe[pri] = 0; |
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285 | |
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286 | return req; |
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287 | } |
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288 | } |
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289 | |
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290 | abort (); |
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291 | } |
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292 | |
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293 | static int poll_cb (int max); |
106 | static void req_invoke (aio_req req); |
294 | static void req_invoke (aio_req req); |
107 | static void req_free (aio_req req); |
295 | static void req_free (aio_req req); |
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296 | static void req_cancel (aio_req req); |
108 | |
297 | |
109 | /* must be called at most once */ |
298 | /* must be called at most once */ |
110 | static SV *req_sv (aio_req req, const char *klass) |
299 | static SV *req_sv (aio_req req, const char *klass) |
111 | { |
300 | { |
112 | if (!req->self) |
301 | if (!req->self) |
… | |
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118 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
307 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
119 | } |
308 | } |
120 | |
309 | |
121 | static aio_req SvAIO_REQ (SV *sv) |
310 | static aio_req SvAIO_REQ (SV *sv) |
122 | { |
311 | { |
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312 | MAGIC *mg; |
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313 | |
123 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
314 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
124 | croak ("object of class " AIO_REQ_KLASS " expected"); |
315 | croak ("object of class " AIO_REQ_KLASS " expected"); |
125 | |
316 | |
126 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
317 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
127 | |
318 | |
128 | return mg ? (aio_req)mg->mg_ptr : 0; |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
129 | } |
320 | } |
130 | |
321 | |
131 | static void aio_grp_feed (aio_req grp) |
322 | static void aio_grp_feed (aio_req grp) |
132 | { |
323 | { |
133 | while (grp->length < grp->fd2) |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
134 | { |
325 | { |
135 | int old_len = grp->length; |
326 | int old_len = grp->length; |
136 | |
327 | |
137 | if (grp->fh2 && SvOK (grp->fh2)) |
328 | if (grp->fh2 && SvOK (grp->fh2)) |
138 | { |
329 | { |
… | |
… | |
141 | ENTER; |
332 | ENTER; |
142 | SAVETMPS; |
333 | SAVETMPS; |
143 | PUSHMARK (SP); |
334 | PUSHMARK (SP); |
144 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
145 | PUTBACK; |
336 | PUTBACK; |
146 | call_sv (grp->fh2, G_VOID | G_EVAL); |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
147 | SPAGAIN; |
338 | SPAGAIN; |
148 | FREETMPS; |
339 | FREETMPS; |
149 | LEAVE; |
340 | LEAVE; |
150 | } |
341 | } |
151 | |
342 | |
… | |
… | |
172 | req_invoke (grp); |
363 | req_invoke (grp); |
173 | req_free (grp); |
364 | req_free (grp); |
174 | } |
365 | } |
175 | } |
366 | } |
176 | |
367 | |
177 | static void poll_wait () |
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178 | { |
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179 | if (nreqs && !ress) |
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180 | { |
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181 | fd_set rfd; |
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182 | FD_ZERO(&rfd); |
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183 | FD_SET(respipe [0], &rfd); |
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184 | |
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185 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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186 | } |
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187 | } |
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188 | |
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189 | static void req_invoke (aio_req req) |
368 | static void req_invoke (aio_req req) |
190 | { |
369 | { |
191 | dSP; |
370 | dSP; |
192 | int errorno = errno; |
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193 | |
371 | |
194 | if (req->cancelled || !SvOK (req->callback)) |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
195 | return; |
373 | { |
196 | |
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197 | errno = req->errorno; |
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198 | |
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199 | ENTER; |
374 | ENTER; |
200 | SAVETMPS; |
375 | SAVETMPS; |
201 | PUSHMARK (SP); |
376 | PUSHMARK (SP); |
202 | EXTEND (SP, 1); |
377 | EXTEND (SP, 1); |
203 | |
378 | |
204 | switch (req->type) |
379 | switch (req->type) |
205 | { |
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206 | case REQ_READDIR: |
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207 | { |
380 | { |
208 | SV *rv = &PL_sv_undef; |
381 | case REQ_READDIR: |
209 | |
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210 | if (req->result >= 0) |
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211 | { |
382 | { |
212 | char *buf = req->data2ptr; |
383 | SV *rv = &PL_sv_undef; |
213 | AV *av = newAV (); |
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214 | |
384 | |
215 | while (req->result) |
385 | if (req->result >= 0) |
216 | { |
386 | { |
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387 | int i; |
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388 | char *buf = req->data2ptr; |
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389 | AV *av = newAV (); |
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390 | |
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391 | av_extend (av, req->result - 1); |
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392 | |
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393 | for (i = 0; i < req->result; ++i) |
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394 | { |
217 | SV *sv = newSVpv (buf, 0); |
395 | SV *sv = newSVpv (buf, 0); |
218 | |
396 | |
219 | av_push (av, sv); |
397 | av_store (av, i, sv); |
220 | buf += SvCUR (sv) + 1; |
398 | buf += SvCUR (sv) + 1; |
221 | req->result--; |
399 | } |
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400 | |
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401 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
222 | } |
402 | } |
223 | |
403 | |
224 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
404 | PUSHs (rv); |
225 | } |
405 | } |
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406 | break; |
226 | |
407 | |
227 | PUSHs (rv); |
408 | case REQ_OPEN: |
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409 | { |
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410 | /* convert fd to fh */ |
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411 | SV *fh; |
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412 | |
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413 | PUSHs (sv_2mortal (newSViv (req->result))); |
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414 | PUTBACK; |
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415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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416 | SPAGAIN; |
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417 | |
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418 | fh = SvREFCNT_inc (POPs); |
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419 | |
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420 | PUSHMARK (SP); |
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421 | XPUSHs (sv_2mortal (fh)); |
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422 | } |
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423 | break; |
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424 | |
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425 | case REQ_GROUP: |
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426 | req->fd = 2; /* mark group as finished */ |
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427 | |
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428 | if (req->data) |
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429 | { |
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430 | int i; |
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431 | AV *av = (AV *)req->data; |
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432 | |
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433 | EXTEND (SP, AvFILL (av) + 1); |
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434 | for (i = 0; i <= AvFILL (av); ++i) |
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435 | PUSHs (*av_fetch (av, i, 0)); |
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436 | } |
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437 | break; |
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438 | |
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439 | case REQ_NOP: |
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440 | case REQ_BUSY: |
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441 | break; |
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442 | |
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443 | default: |
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444 | PUSHs (sv_2mortal (newSViv (req->result))); |
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445 | break; |
228 | } |
446 | } |
229 | break; |
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230 | |
447 | |
231 | case REQ_OPEN: |
448 | errno = req->errorno; |
232 | { |
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233 | /* convert fd to fh */ |
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234 | SV *fh; |
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235 | |
449 | |
236 | PUSHs (sv_2mortal (newSViv (req->result))); |
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237 | PUTBACK; |
450 | PUTBACK; |
238 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
239 | SPAGAIN; |
|
|
240 | |
|
|
241 | fh = SvREFCNT_inc (POPs); |
|
|
242 | |
|
|
243 | PUSHMARK (SP); |
|
|
244 | XPUSHs (sv_2mortal (fh)); |
|
|
245 | } |
|
|
246 | break; |
|
|
247 | |
|
|
248 | case REQ_GROUP: |
|
|
249 | req->fd = 2; /* mark group as finished */ |
|
|
250 | |
|
|
251 | if (req->data) |
|
|
252 | { |
|
|
253 | int i; |
|
|
254 | AV *av = (AV *)req->data; |
|
|
255 | |
|
|
256 | EXTEND (SP, AvFILL (av) + 1); |
|
|
257 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
258 | PUSHs (*av_fetch (av, i, 0)); |
|
|
259 | } |
|
|
260 | break; |
|
|
261 | |
|
|
262 | case REQ_SLEEP: |
|
|
263 | break; |
|
|
264 | |
|
|
265 | default: |
|
|
266 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
267 | break; |
|
|
268 | } |
|
|
269 | |
|
|
270 | |
|
|
271 | PUTBACK; |
|
|
272 | call_sv (req->callback, G_VOID | G_EVAL); |
451 | call_sv (req->callback, G_VOID | G_EVAL); |
273 | SPAGAIN; |
452 | SPAGAIN; |
274 | |
453 | |
275 | FREETMPS; |
454 | FREETMPS; |
276 | LEAVE; |
455 | LEAVE; |
277 | |
|
|
278 | errno = errorno; |
|
|
279 | |
|
|
280 | if (SvTRUE (ERRSV)) |
|
|
281 | { |
456 | } |
282 | req_free (req); |
|
|
283 | croak (0); |
|
|
284 | } |
|
|
285 | } |
|
|
286 | |
457 | |
287 | static void req_free (aio_req req) |
|
|
288 | { |
|
|
289 | if (req->grp) |
458 | if (req->grp) |
290 | { |
459 | { |
291 | aio_req grp = req->grp; |
460 | aio_req grp = req->grp; |
292 | |
461 | |
293 | /* unlink request */ |
462 | /* unlink request */ |
… | |
… | |
298 | grp->grp_first = req->grp_next; |
467 | grp->grp_first = req->grp_next; |
299 | |
468 | |
300 | aio_grp_dec (grp); |
469 | aio_grp_dec (grp); |
301 | } |
470 | } |
302 | |
471 | |
|
|
472 | if (SvTRUE (ERRSV)) |
|
|
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
|
|
478 | |
|
|
479 | static void req_free (aio_req req) |
|
|
480 | { |
303 | if (req->self) |
481 | if (req->self) |
304 | { |
482 | { |
305 | sv_unmagic (req->self, PERL_MAGIC_ext); |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
306 | SvREFCNT_dec (req->self); |
484 | SvREFCNT_dec (req->self); |
307 | } |
485 | } |
… | |
… | |
310 | SvREFCNT_dec (req->fh); |
488 | SvREFCNT_dec (req->fh); |
311 | SvREFCNT_dec (req->fh2); |
489 | SvREFCNT_dec (req->fh2); |
312 | SvREFCNT_dec (req->callback); |
490 | SvREFCNT_dec (req->callback); |
313 | Safefree (req->statdata); |
491 | Safefree (req->statdata); |
314 | |
492 | |
315 | if (req->type == REQ_READDIR && req->result >= 0) |
493 | if (req->type == REQ_READDIR) |
316 | free (req->data2ptr); |
494 | free (req->data2ptr); |
317 | |
495 | |
318 | Safefree (req); |
496 | Safefree (req); |
319 | } |
497 | } |
320 | |
498 | |
|
|
499 | static void req_cancel_subs (aio_req grp) |
|
|
500 | { |
|
|
501 | aio_req sub; |
|
|
502 | |
|
|
503 | if (grp->type != REQ_GROUP) |
|
|
504 | return; |
|
|
505 | |
|
|
506 | SvREFCNT_dec (grp->fh2); |
|
|
507 | grp->fh2 = 0; |
|
|
508 | |
|
|
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
510 | req_cancel (sub); |
|
|
511 | } |
|
|
512 | |
321 | static void req_cancel (aio_req req) |
513 | static void req_cancel (aio_req req) |
322 | { |
514 | { |
323 | req->cancelled = 1; |
515 | req->flags |= FLAG_CANCELLED; |
324 | |
516 | |
325 | if (req->type == REQ_GROUP) |
517 | req_cancel_subs (req); |
326 | { |
518 | } |
327 | aio_req sub; |
|
|
328 | |
519 | |
329 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
520 | static void *aio_proc(void *arg); |
330 | req_cancel (sub); |
521 | |
|
|
522 | static void start_thread (void) |
|
|
523 | { |
|
|
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
528 | |
|
|
529 | if (!wrk) |
|
|
530 | croak ("unable to allocate worker thread data"); |
|
|
531 | |
|
|
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
|
|
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
|
|
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
331 | } |
545 | { |
332 | } |
546 | wrk->prev = &wrk_first; |
|
|
547 | wrk->next = wrk_first.next; |
|
|
548 | wrk_first.next->prev = wrk; |
|
|
549 | wrk_first.next = wrk; |
|
|
550 | ++started; |
|
|
551 | } |
|
|
552 | else |
|
|
553 | free (wrk); |
333 | |
554 | |
|
|
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
|
|
557 | } |
|
|
558 | |
|
|
559 | static void maybe_start_thread () |
|
|
560 | { |
|
|
561 | #if 0 |
|
|
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
|
|
568 | |
|
|
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
|
|
591 | } |
|
|
592 | |
|
|
593 | static void req_send (aio_req req) |
|
|
594 | { |
|
|
595 | ++nreqs; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | ++nready; |
|
|
599 | reqq_push (&req_queue, req); |
|
|
600 | pthread_cond_signal (&reqwait); |
|
|
601 | UNLOCK (reqlock); |
|
|
602 | |
|
|
603 | maybe_start_thread (); |
|
|
604 | } |
|
|
605 | |
|
|
606 | static void end_thread (void) |
|
|
607 | { |
|
|
608 | aio_req req; |
|
|
609 | |
|
|
610 | Newz (0, req, 1, aio_cb); |
|
|
611 | |
|
|
612 | req->type = REQ_QUIT; |
|
|
613 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
614 | |
|
|
615 | req_send (req); |
|
|
616 | |
|
|
617 | LOCK (wrklock); |
|
|
618 | --started; |
|
|
619 | UNLOCK (wrklock); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void min_parallel (int nthreads) |
|
|
623 | { |
|
|
624 | if (wanted < nthreads) |
|
|
625 | wanted = nthreads; |
|
|
626 | } |
|
|
627 | |
|
|
628 | static void max_parallel (int nthreads) |
|
|
629 | { |
|
|
630 | if (wanted > nthreads) |
|
|
631 | wanted = nthreads; |
|
|
632 | |
|
|
633 | while (started > wanted) |
|
|
634 | end_thread (); |
|
|
635 | } |
|
|
636 | |
|
|
637 | static void poll_wait () |
|
|
638 | { |
|
|
639 | fd_set rfd; |
|
|
640 | |
|
|
641 | while (nreqs) |
|
|
642 | { |
|
|
643 | int size; |
|
|
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
645 | size = res_queue.size; |
|
|
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
|
|
647 | |
|
|
648 | if (size) |
|
|
649 | return; |
|
|
650 | |
|
|
651 | maybe_start_thread (); |
|
|
652 | |
|
|
653 | FD_ZERO(&rfd); |
|
|
654 | FD_SET(respipe [0], &rfd); |
|
|
655 | |
|
|
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
657 | } |
|
|
658 | } |
|
|
659 | |
334 | static int poll_cb () |
660 | static int poll_cb (int max) |
335 | { |
661 | { |
336 | dSP; |
662 | dSP; |
337 | int count = 0; |
663 | int count = 0; |
338 | int do_croak = 0; |
664 | int do_croak = 0; |
339 | aio_req req; |
665 | aio_req req; |
340 | |
666 | |
341 | for (;;) |
667 | for (;;) |
342 | { |
668 | { |
343 | pthread_mutex_lock (&reslock); |
669 | while (max <= 0 || count < max) |
344 | req = ress; |
|
|
345 | |
|
|
346 | if (req) |
|
|
347 | { |
670 | { |
348 | ress = req->next; |
671 | maybe_start_thread (); |
349 | |
672 | |
|
|
673 | LOCK (reslock); |
|
|
674 | req = reqq_shift (&res_queue); |
|
|
675 | |
350 | if (!ress) |
676 | if (req) |
351 | { |
677 | { |
|
|
678 | --npending; |
|
|
679 | |
|
|
680 | if (!res_queue.size) |
|
|
681 | { |
352 | /* read any signals sent by the worker threads */ |
682 | /* read any signals sent by the worker threads */ |
353 | char buf [32]; |
683 | char buf [32]; |
354 | while (read (respipe [0], buf, 32) == 32) |
684 | while (read (respipe [0], buf, 32) == 32) |
|
|
685 | ; |
355 | ; |
686 | } |
356 | |
|
|
357 | rese = 0; |
|
|
358 | } |
687 | } |
|
|
688 | |
|
|
689 | UNLOCK (reslock); |
|
|
690 | |
|
|
691 | if (!req) |
|
|
692 | break; |
|
|
693 | |
|
|
694 | --nreqs; |
|
|
695 | |
|
|
696 | if (req->type == REQ_GROUP && req->length) |
|
|
697 | { |
|
|
698 | req->fd = 1; /* mark request as delayed */ |
|
|
699 | continue; |
|
|
700 | } |
|
|
701 | else |
|
|
702 | { |
|
|
703 | if (req->type == REQ_READ) |
|
|
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
|
|
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
712 | PL_laststatval = req->result; |
|
|
713 | PL_statcache = *(req->statdata); |
|
|
714 | } |
|
|
715 | |
|
|
716 | req_invoke (req); |
|
|
717 | |
|
|
718 | count++; |
|
|
719 | } |
|
|
720 | |
|
|
721 | req_free (req); |
359 | } |
722 | } |
360 | |
723 | |
361 | pthread_mutex_unlock (&reslock); |
724 | if (nreqs <= max_outstanding) |
362 | |
|
|
363 | if (!req) |
|
|
364 | break; |
725 | break; |
365 | |
726 | |
366 | --nreqs; |
727 | poll_wait (); |
367 | |
728 | |
368 | if (req->type == REQ_QUIT) |
729 | max = 0; |
369 | started--; |
|
|
370 | else if (req->type == REQ_GROUP && req->length) |
|
|
371 | { |
|
|
372 | req->fd = 1; /* mark request as delayed */ |
|
|
373 | continue; |
|
|
374 | } |
|
|
375 | else |
|
|
376 | { |
|
|
377 | if (req->type == REQ_READ) |
|
|
378 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
379 | |
|
|
380 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
381 | SvREADONLY_off (req->data); |
|
|
382 | |
|
|
383 | if (req->statdata) |
|
|
384 | { |
|
|
385 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
386 | PL_laststatval = req->result; |
|
|
387 | PL_statcache = *(req->statdata); |
|
|
388 | } |
|
|
389 | |
|
|
390 | req_invoke (req); |
|
|
391 | |
|
|
392 | count++; |
|
|
393 | } |
|
|
394 | |
|
|
395 | req_free (req); |
|
|
396 | } |
730 | } |
397 | |
731 | |
398 | return count; |
732 | return count; |
399 | } |
|
|
400 | |
|
|
401 | static void *aio_proc(void *arg); |
|
|
402 | |
|
|
403 | static void start_thread (void) |
|
|
404 | { |
|
|
405 | sigset_t fullsigset, oldsigset; |
|
|
406 | pthread_t tid; |
|
|
407 | pthread_attr_t attr; |
|
|
408 | |
|
|
409 | pthread_attr_init (&attr); |
|
|
410 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
411 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
412 | |
|
|
413 | sigfillset (&fullsigset); |
|
|
414 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
415 | |
|
|
416 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
417 | started++; |
|
|
418 | |
|
|
419 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
420 | } |
|
|
421 | |
|
|
422 | static void req_send (aio_req req) |
|
|
423 | { |
|
|
424 | while (started < wanted && nreqs >= started) |
|
|
425 | start_thread (); |
|
|
426 | |
|
|
427 | ++nreqs; |
|
|
428 | |
|
|
429 | pthread_mutex_lock (&reqlock); |
|
|
430 | |
|
|
431 | req->next = 0; |
|
|
432 | |
|
|
433 | if (reqe) |
|
|
434 | { |
|
|
435 | reqe->next = req; |
|
|
436 | reqe = req; |
|
|
437 | } |
|
|
438 | else |
|
|
439 | reqe = reqs = req; |
|
|
440 | |
|
|
441 | pthread_cond_signal (&reqwait); |
|
|
442 | pthread_mutex_unlock (&reqlock); |
|
|
443 | |
|
|
444 | if (nreqs > max_outstanding) |
|
|
445 | for (;;) |
|
|
446 | { |
|
|
447 | poll_cb (); |
|
|
448 | |
|
|
449 | if (nreqs <= max_outstanding) |
|
|
450 | break; |
|
|
451 | |
|
|
452 | poll_wait (); |
|
|
453 | } |
|
|
454 | } |
|
|
455 | |
|
|
456 | static void end_thread (void) |
|
|
457 | { |
|
|
458 | aio_req req; |
|
|
459 | Newz (0, req, 1, aio_cb); |
|
|
460 | req->type = REQ_QUIT; |
|
|
461 | |
|
|
462 | req_send (req); |
|
|
463 | } |
|
|
464 | |
|
|
465 | static void min_parallel (int nthreads) |
|
|
466 | { |
|
|
467 | if (wanted < nthreads) |
|
|
468 | wanted = nthreads; |
|
|
469 | } |
|
|
470 | |
|
|
471 | static void max_parallel (int nthreads) |
|
|
472 | { |
|
|
473 | int cur = started; |
|
|
474 | |
|
|
475 | if (wanted > nthreads) |
|
|
476 | wanted = nthreads; |
|
|
477 | |
|
|
478 | while (cur > wanted) |
|
|
479 | { |
|
|
480 | end_thread (); |
|
|
481 | cur--; |
|
|
482 | } |
|
|
483 | |
|
|
484 | while (started > wanted) |
|
|
485 | { |
|
|
486 | poll_wait (); |
|
|
487 | poll_cb (); |
|
|
488 | } |
|
|
489 | } |
733 | } |
490 | |
734 | |
491 | static void create_pipe () |
735 | static void create_pipe () |
492 | { |
736 | { |
493 | if (pipe (respipe)) |
737 | if (pipe (respipe)) |
… | |
… | |
517 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
761 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
518 | { |
762 | { |
519 | ssize_t res; |
763 | ssize_t res; |
520 | off_t ooffset; |
764 | off_t ooffset; |
521 | |
765 | |
522 | pthread_mutex_lock (&preadwritelock); |
766 | LOCK (preadwritelock); |
523 | ooffset = lseek (fd, 0, SEEK_CUR); |
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
524 | lseek (fd, offset, SEEK_SET); |
768 | lseek (fd, offset, SEEK_SET); |
525 | res = read (fd, buf, count); |
769 | res = read (fd, buf, count); |
526 | lseek (fd, ooffset, SEEK_SET); |
770 | lseek (fd, ooffset, SEEK_SET); |
527 | pthread_mutex_unlock (&preadwritelock); |
771 | UNLOCK (preadwritelock); |
528 | |
772 | |
529 | return res; |
773 | return res; |
530 | } |
774 | } |
531 | |
775 | |
532 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
776 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
533 | { |
777 | { |
534 | ssize_t res; |
778 | ssize_t res; |
535 | off_t ooffset; |
779 | off_t ooffset; |
536 | |
780 | |
537 | pthread_mutex_lock (&preadwritelock); |
781 | LOCK (preadwritelock); |
538 | ooffset = lseek (fd, 0, SEEK_CUR); |
782 | ooffset = lseek (fd, 0, SEEK_CUR); |
539 | lseek (fd, offset, SEEK_SET); |
783 | lseek (fd, offset, SEEK_SET); |
540 | res = write (fd, buf, count); |
784 | res = write (fd, buf, count); |
541 | lseek (fd, offset, SEEK_SET); |
785 | lseek (fd, offset, SEEK_SET); |
542 | pthread_mutex_unlock (&preadwritelock); |
786 | UNLOCK (preadwritelock); |
543 | |
787 | |
544 | return res; |
788 | return res; |
545 | } |
789 | } |
546 | #endif |
790 | #endif |
547 | |
791 | |
548 | #if !HAVE_FDATASYNC |
792 | #if !HAVE_FDATASYNC |
549 | # define fdatasync fsync |
793 | # define fdatasync fsync |
550 | #endif |
794 | #endif |
551 | |
795 | |
552 | #if !HAVE_READAHEAD |
796 | #if !HAVE_READAHEAD |
553 | # define readahead aio_readahead |
797 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
554 | |
798 | |
555 | static ssize_t readahead (int fd, off_t offset, size_t count) |
799 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
556 | { |
800 | { |
557 | char readahead_buf[4096]; |
801 | dBUF; |
558 | |
802 | |
559 | while (count > 0) |
803 | while (count > 0) |
560 | { |
804 | { |
561 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
805 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
562 | |
806 | |
563 | pread (fd, readahead_buf, len, offset); |
807 | pread (fd, aio_buf, len, offset); |
564 | offset += len; |
808 | offset += len; |
565 | count -= len; |
809 | count -= len; |
566 | } |
810 | } |
567 | |
811 | |
568 | errno = 0; |
812 | errno = 0; |
569 | } |
813 | } |
|
|
814 | |
570 | #endif |
815 | #endif |
571 | |
816 | |
572 | #if !HAVE_READDIR_R |
817 | #if !HAVE_READDIR_R |
573 | # define readdir_r aio_readdir_r |
818 | # define readdir_r aio_readdir_r |
574 | |
819 | |
… | |
… | |
577 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
822 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
578 | { |
823 | { |
579 | struct dirent *e; |
824 | struct dirent *e; |
580 | int errorno; |
825 | int errorno; |
581 | |
826 | |
582 | pthread_mutex_lock (&readdirlock); |
827 | LOCK (readdirlock); |
583 | |
828 | |
584 | e = readdir (dirp); |
829 | e = readdir (dirp); |
585 | errorno = errno; |
830 | errorno = errno; |
586 | |
831 | |
587 | if (e) |
832 | if (e) |
… | |
… | |
590 | strcpy (ent->d_name, e->d_name); |
835 | strcpy (ent->d_name, e->d_name); |
591 | } |
836 | } |
592 | else |
837 | else |
593 | *res = 0; |
838 | *res = 0; |
594 | |
839 | |
595 | pthread_mutex_unlock (&readdirlock); |
840 | UNLOCK (readdirlock); |
596 | |
841 | |
597 | errno = errorno; |
842 | errno = errorno; |
598 | return e ? 0 : -1; |
843 | return e ? 0 : -1; |
599 | } |
844 | } |
600 | #endif |
845 | #endif |
601 | |
846 | |
602 | /* sendfile always needs emulation */ |
847 | /* sendfile always needs emulation */ |
603 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
848 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
604 | { |
849 | { |
605 | ssize_t res; |
850 | ssize_t res; |
606 | |
851 | |
607 | if (!count) |
852 | if (!count) |
608 | return 0; |
853 | return 0; |
… | |
… | |
619 | { |
864 | { |
620 | off_t sbytes; |
865 | off_t sbytes; |
621 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
866 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
622 | |
867 | |
623 | if (res < 0 && sbytes) |
868 | if (res < 0 && sbytes) |
624 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
869 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
625 | res = sbytes; |
870 | res = sbytes; |
626 | } |
871 | } |
627 | |
872 | |
628 | # elif __hpux |
873 | # elif __hpux |
629 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
874 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
657 | #endif |
902 | #endif |
658 | ) |
903 | ) |
659 | ) |
904 | ) |
660 | { |
905 | { |
661 | /* emulate sendfile. this is a major pain in the ass */ |
906 | /* emulate sendfile. this is a major pain in the ass */ |
662 | char buf[4096]; |
907 | dBUF; |
|
|
908 | |
663 | res = 0; |
909 | res = 0; |
664 | |
910 | |
665 | while (count) |
911 | while (count) |
666 | { |
912 | { |
667 | ssize_t cnt; |
913 | ssize_t cnt; |
668 | |
914 | |
669 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
915 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
670 | |
916 | |
671 | if (cnt <= 0) |
917 | if (cnt <= 0) |
672 | { |
918 | { |
673 | if (cnt && !res) res = -1; |
919 | if (cnt && !res) res = -1; |
674 | break; |
920 | break; |
675 | } |
921 | } |
676 | |
922 | |
677 | cnt = write (ofd, buf, cnt); |
923 | cnt = write (ofd, aio_buf, cnt); |
678 | |
924 | |
679 | if (cnt <= 0) |
925 | if (cnt <= 0) |
680 | { |
926 | { |
681 | if (cnt && !res) res = -1; |
927 | if (cnt && !res) res = -1; |
682 | break; |
928 | break; |
… | |
… | |
690 | |
936 | |
691 | return res; |
937 | return res; |
692 | } |
938 | } |
693 | |
939 | |
694 | /* read a full directory */ |
940 | /* read a full directory */ |
695 | static int scandir_ (const char *path, void **namesp) |
941 | static void scandir_ (aio_req req, worker *self) |
696 | { |
942 | { |
697 | DIR *dirp = opendir (path); |
943 | DIR *dirp; |
698 | union |
944 | union |
699 | { |
945 | { |
700 | struct dirent d; |
946 | struct dirent d; |
701 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
947 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
702 | } u; |
948 | } *u; |
703 | struct dirent *entp; |
949 | struct dirent *entp; |
704 | char *name, *names; |
950 | char *name, *names; |
705 | int memlen = 4096; |
951 | int memlen = 4096; |
706 | int memofs = 0; |
952 | int memofs = 0; |
707 | int res = 0; |
953 | int res = 0; |
708 | int errorno; |
954 | int errorno; |
709 | |
955 | |
710 | if (!dirp) |
956 | LOCK (wrklock); |
711 | return -1; |
957 | self->dirp = dirp = opendir (req->dataptr); |
712 | |
958 | self->dbuf = u = malloc (sizeof (*u)); |
713 | names = malloc (memlen); |
959 | req->data2ptr = names = malloc (memlen); |
|
|
960 | UNLOCK (wrklock); |
|
|
961 | |
|
|
962 | if (dirp && u && names) |
|
|
963 | for (;;) |
|
|
964 | { |
|
|
965 | errno = 0; |
|
|
966 | readdir_r (dirp, &u->d, &entp); |
|
|
967 | |
|
|
968 | if (!entp) |
|
|
969 | break; |
|
|
970 | |
|
|
971 | name = entp->d_name; |
|
|
972 | |
|
|
973 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
974 | { |
|
|
975 | int len = strlen (name) + 1; |
|
|
976 | |
|
|
977 | res++; |
|
|
978 | |
|
|
979 | while (memofs + len > memlen) |
|
|
980 | { |
|
|
981 | memlen *= 2; |
|
|
982 | LOCK (wrklock); |
|
|
983 | req->data2ptr = names = realloc (names, memlen); |
|
|
984 | UNLOCK (wrklock); |
|
|
985 | |
|
|
986 | if (!names) |
|
|
987 | break; |
|
|
988 | } |
|
|
989 | |
|
|
990 | memcpy (names + memofs, name, len); |
|
|
991 | memofs += len; |
|
|
992 | } |
|
|
993 | } |
|
|
994 | |
|
|
995 | if (errno) |
|
|
996 | res = -1; |
|
|
997 | |
|
|
998 | req->result = res; |
|
|
999 | } |
|
|
1000 | |
|
|
1001 | /*****************************************************************************/ |
|
|
1002 | |
|
|
1003 | static void *aio_proc (void *thr_arg) |
|
|
1004 | { |
|
|
1005 | aio_req req; |
|
|
1006 | worker *self = (worker *)thr_arg; |
714 | |
1007 | |
715 | for (;;) |
1008 | for (;;) |
716 | { |
1009 | { |
717 | errno = 0, readdir_r (dirp, &u.d, &entp); |
1010 | LOCK (reqlock); |
718 | |
|
|
719 | if (!entp) |
|
|
720 | break; |
|
|
721 | |
|
|
722 | name = entp->d_name; |
|
|
723 | |
|
|
724 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
725 | { |
|
|
726 | int len = strlen (name) + 1; |
|
|
727 | |
|
|
728 | res++; |
|
|
729 | |
|
|
730 | while (memofs + len > memlen) |
|
|
731 | { |
|
|
732 | memlen *= 2; |
|
|
733 | names = realloc (names, memlen); |
|
|
734 | if (!names) |
|
|
735 | break; |
|
|
736 | } |
|
|
737 | |
|
|
738 | memcpy (names + memofs, name, len); |
|
|
739 | memofs += len; |
|
|
740 | } |
|
|
741 | } |
|
|
742 | |
|
|
743 | errorno = errno; |
|
|
744 | closedir (dirp); |
|
|
745 | |
|
|
746 | if (errorno) |
|
|
747 | { |
|
|
748 | free (names); |
|
|
749 | errno = errorno; |
|
|
750 | res = -1; |
|
|
751 | } |
|
|
752 | |
|
|
753 | *namesp = (void *)names; |
|
|
754 | return res; |
|
|
755 | } |
|
|
756 | |
|
|
757 | /*****************************************************************************/ |
|
|
758 | |
|
|
759 | static void *aio_proc (void *thr_arg) |
|
|
760 | { |
|
|
761 | aio_req req; |
|
|
762 | int type; |
|
|
763 | |
|
|
764 | do |
|
|
765 | { |
|
|
766 | pthread_mutex_lock (&reqlock); |
|
|
767 | |
1011 | |
768 | for (;;) |
1012 | for (;;) |
769 | { |
1013 | { |
770 | req = reqs; |
1014 | self->req = req = reqq_shift (&req_queue); |
771 | |
|
|
772 | if (reqs) |
|
|
773 | { |
|
|
774 | reqs = reqs->next; |
|
|
775 | if (!reqs) reqe = 0; |
|
|
776 | } |
|
|
777 | |
1015 | |
778 | if (req) |
1016 | if (req) |
779 | break; |
1017 | break; |
780 | |
1018 | |
781 | pthread_cond_wait (&reqwait, &reqlock); |
1019 | pthread_cond_wait (&reqwait, &reqlock); |
782 | } |
1020 | } |
783 | |
1021 | |
784 | pthread_mutex_unlock (&reqlock); |
1022 | --nready; |
|
|
1023 | |
|
|
1024 | UNLOCK (reqlock); |
785 | |
1025 | |
786 | errno = 0; /* strictly unnecessary */ |
1026 | errno = 0; /* strictly unnecessary */ |
787 | |
1027 | |
788 | if (!req->cancelled) |
1028 | if (!(req->flags & FLAG_CANCELLED)) |
789 | switch (type = req->type) /* remember type for QUIT check */ |
1029 | switch (req->type) |
790 | { |
1030 | { |
791 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
792 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
793 | |
1033 | |
794 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
795 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
796 | |
1036 | |
797 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
798 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
799 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
800 | |
1040 | |
… | |
… | |
803 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
804 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
805 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
806 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
807 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1048 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
808 | |
1049 | |
809 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1050 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
810 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1051 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
811 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
1052 | case REQ_READDIR: scandir_ (req, self); break; |
812 | |
1053 | |
813 | case REQ_SLEEP: |
1054 | case REQ_BUSY: |
814 | { |
1055 | { |
815 | struct timeval tv; |
1056 | struct timeval tv; |
816 | |
1057 | |
817 | tv.tv_sec = req->fd; |
1058 | tv.tv_sec = req->fd; |
818 | tv.tv_usec = req->fd2; |
1059 | tv.tv_usec = req->fd2; |
819 | |
1060 | |
820 | req->result = select (0, 0, 0, 0, &tv); |
1061 | req->result = select (0, 0, 0, 0, &tv); |
821 | } |
1062 | } |
822 | |
1063 | |
|
|
1064 | case REQ_GROUP: |
|
|
1065 | case REQ_NOP: |
|
|
1066 | break; |
|
|
1067 | |
823 | case REQ_QUIT: |
1068 | case REQ_QUIT: |
|
|
1069 | LOCK (wrklock); |
|
|
1070 | worker_free (self); |
|
|
1071 | --started; |
|
|
1072 | UNLOCK (wrklock); |
824 | break; |
1073 | return 0; |
825 | |
1074 | |
826 | default: |
1075 | default: |
827 | req->result = ENOSYS; |
1076 | req->result = ENOSYS; |
828 | break; |
1077 | break; |
829 | } |
1078 | } |
830 | |
1079 | |
831 | req->errorno = errno; |
1080 | req->errorno = errno; |
832 | |
1081 | |
833 | pthread_mutex_lock (&reslock); |
1082 | LOCK (reslock); |
834 | |
1083 | |
835 | req->next = 0; |
1084 | ++npending; |
836 | |
1085 | |
837 | printf ("queue rese %p\n", rese);//D |
1086 | if (!reqq_push (&res_queue, req)) |
838 | if (rese) |
|
|
839 | { |
|
|
840 | rese->next = req; |
|
|
841 | rese = req; |
|
|
842 | } |
|
|
843 | else |
|
|
844 | { |
|
|
845 | rese = ress = req; |
|
|
846 | |
|
|
847 | /* write a dummy byte to the pipe so fh becomes ready */ |
1087 | /* write a dummy byte to the pipe so fh becomes ready */ |
848 | write (respipe [1], &respipe, 1); |
1088 | write (respipe [1], &respipe, 1); |
849 | } |
|
|
850 | |
1089 | |
851 | pthread_mutex_unlock (&reslock); |
1090 | self->req = 0; |
852 | } |
1091 | worker_clear (self); |
853 | while (type != REQ_QUIT); |
|
|
854 | |
1092 | |
855 | return 0; |
1093 | UNLOCK (reslock); |
|
|
1094 | } |
856 | } |
1095 | } |
857 | |
1096 | |
858 | /*****************************************************************************/ |
1097 | /*****************************************************************************/ |
859 | |
1098 | |
860 | static void atfork_prepare (void) |
1099 | static void atfork_prepare (void) |
861 | { |
1100 | { |
862 | pthread_mutex_lock (&reqlock); |
1101 | LOCK (wrklock); |
863 | pthread_mutex_lock (&reslock); |
1102 | LOCK (reqlock); |
|
|
1103 | LOCK (reslock); |
864 | #if !HAVE_PREADWRITE |
1104 | #if !HAVE_PREADWRITE |
865 | pthread_mutex_lock (&preadwritelock); |
1105 | LOCK (preadwritelock); |
866 | #endif |
1106 | #endif |
867 | #if !HAVE_READDIR_R |
1107 | #if !HAVE_READDIR_R |
868 | pthread_mutex_lock (&readdirlock); |
1108 | LOCK (readdirlock); |
869 | #endif |
1109 | #endif |
870 | } |
1110 | } |
871 | |
1111 | |
872 | static void atfork_parent (void) |
1112 | static void atfork_parent (void) |
873 | { |
1113 | { |
874 | #if !HAVE_READDIR_R |
1114 | #if !HAVE_READDIR_R |
875 | pthread_mutex_unlock (&readdirlock); |
1115 | UNLOCK (readdirlock); |
876 | #endif |
1116 | #endif |
877 | #if !HAVE_PREADWRITE |
1117 | #if !HAVE_PREADWRITE |
878 | pthread_mutex_unlock (&preadwritelock); |
1118 | UNLOCK (preadwritelock); |
879 | #endif |
1119 | #endif |
880 | pthread_mutex_unlock (&reslock); |
1120 | UNLOCK (reslock); |
881 | pthread_mutex_unlock (&reqlock); |
1121 | UNLOCK (reqlock); |
|
|
1122 | UNLOCK (wrklock); |
882 | } |
1123 | } |
883 | |
1124 | |
884 | static void atfork_child (void) |
1125 | static void atfork_child (void) |
885 | { |
1126 | { |
886 | aio_req prv; |
1127 | aio_req prv; |
887 | |
1128 | |
|
|
1129 | while (prv = reqq_shift (&req_queue)) |
|
|
1130 | req_free (prv); |
|
|
1131 | |
|
|
1132 | while (prv = reqq_shift (&res_queue)) |
|
|
1133 | req_free (prv); |
|
|
1134 | |
|
|
1135 | while (wrk_first.next != &wrk_first) |
|
|
1136 | { |
|
|
1137 | worker *wrk = wrk_first.next; |
|
|
1138 | |
|
|
1139 | if (wrk->req) |
|
|
1140 | req_free (wrk->req); |
|
|
1141 | |
|
|
1142 | worker_clear (wrk); |
|
|
1143 | worker_free (wrk); |
|
|
1144 | } |
|
|
1145 | |
888 | started = 0; |
1146 | started = 0; |
889 | |
1147 | nreqs = 0; |
890 | while (reqs) |
|
|
891 | { |
|
|
892 | prv = reqs; |
|
|
893 | reqs = prv->next; |
|
|
894 | req_free (prv); |
|
|
895 | } |
|
|
896 | |
|
|
897 | reqs = reqe = 0; |
|
|
898 | |
|
|
899 | while (ress) |
|
|
900 | { |
|
|
901 | prv = ress; |
|
|
902 | ress = prv->next; |
|
|
903 | req_free (prv); |
|
|
904 | } |
|
|
905 | |
|
|
906 | ress = rese = 0; |
|
|
907 | |
1148 | |
908 | close (respipe [0]); |
1149 | close (respipe [0]); |
909 | close (respipe [1]); |
1150 | close (respipe [1]); |
910 | create_pipe (); |
1151 | create_pipe (); |
911 | |
1152 | |
912 | atfork_parent (); |
1153 | atfork_parent (); |
913 | } |
1154 | } |
914 | |
1155 | |
915 | #define dREQ \ |
1156 | #define dREQ \ |
916 | aio_req req; \ |
1157 | aio_req req; \ |
|
|
1158 | int req_pri = next_pri; \ |
|
|
1159 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
917 | \ |
1160 | \ |
918 | if (SvOK (callback) && !SvROK (callback)) \ |
1161 | if (SvOK (callback) && !SvROK (callback)) \ |
919 | croak ("callback must be undef or of reference type"); \ |
1162 | croak ("callback must be undef or of reference type"); \ |
920 | \ |
1163 | \ |
921 | Newz (0, req, 1, aio_cb); \ |
1164 | Newz (0, req, 1, aio_cb); \ |
922 | if (!req) \ |
1165 | if (!req) \ |
923 | croak ("out of memory during aio_req allocation"); \ |
1166 | croak ("out of memory during aio_req allocation"); \ |
924 | \ |
1167 | \ |
925 | req->callback = newSVsv (callback) |
1168 | req->callback = newSVsv (callback); \ |
|
|
1169 | req->pri = req_pri |
926 | |
1170 | |
927 | #define REQ_SEND \ |
1171 | #define REQ_SEND \ |
928 | req_send (req); \ |
1172 | req_send (req); \ |
929 | \ |
1173 | \ |
930 | if (GIMME_V != G_VOID) \ |
1174 | if (GIMME_V != G_VOID) \ |
… | |
… | |
935 | PROTOTYPES: ENABLE |
1179 | PROTOTYPES: ENABLE |
936 | |
1180 | |
937 | BOOT: |
1181 | BOOT: |
938 | { |
1182 | { |
939 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1183 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1184 | |
940 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1185 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
941 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1186 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
942 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1187 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1188 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1189 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1190 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
943 | |
1191 | |
944 | create_pipe (); |
1192 | create_pipe (); |
945 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1193 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
946 | } |
|
|
947 | |
1194 | |
|
|
1195 | start_thread (); |
|
|
1196 | } |
|
|
1197 | |
948 | void |
1198 | void |
949 | min_parallel (nthreads) |
1199 | min_parallel (int nthreads) |
950 | int nthreads |
|
|
951 | PROTOTYPE: $ |
1200 | PROTOTYPE: $ |
952 | |
1201 | |
953 | void |
1202 | void |
954 | max_parallel (nthreads) |
1203 | max_parallel (int nthreads) |
955 | int nthreads |
|
|
956 | PROTOTYPE: $ |
1204 | PROTOTYPE: $ |
957 | |
1205 | |
958 | int |
1206 | int |
959 | max_outstanding (nreqs) |
1207 | max_outstanding (int maxreqs) |
960 | int nreqs |
1208 | PROTOTYPE: $ |
961 | PROTOTYPE: $ |
|
|
962 | CODE: |
1209 | CODE: |
963 | RETVAL = max_outstanding; |
1210 | RETVAL = max_outstanding; |
964 | max_outstanding = nreqs; |
1211 | max_outstanding = maxreqs; |
|
|
1212 | OUTPUT: |
|
|
1213 | RETVAL |
965 | |
1214 | |
966 | void |
1215 | void |
967 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1216 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
968 | SV * pathname |
1217 | SV * pathname |
969 | int flags |
1218 | int flags |
… | |
… | |
1184 | |
1433 | |
1185 | REQ_SEND; |
1434 | REQ_SEND; |
1186 | } |
1435 | } |
1187 | |
1436 | |
1188 | void |
1437 | void |
|
|
1438 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1439 | SV * pathname |
|
|
1440 | SV * callback |
|
|
1441 | UV mode |
|
|
1442 | UV dev |
|
|
1443 | PPCODE: |
|
|
1444 | { |
|
|
1445 | dREQ; |
|
|
1446 | |
|
|
1447 | req->type = REQ_MKNOD; |
|
|
1448 | req->data = newSVsv (pathname); |
|
|
1449 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1450 | req->mode = (mode_t)mode; |
|
|
1451 | req->offset = dev; |
|
|
1452 | |
|
|
1453 | REQ_SEND; |
|
|
1454 | } |
|
|
1455 | |
|
|
1456 | void |
1189 | aio_sleep (delay,callback=&PL_sv_undef) |
1457 | aio_busy (delay,callback=&PL_sv_undef) |
1190 | double delay |
1458 | double delay |
1191 | SV * callback |
1459 | SV * callback |
1192 | PPCODE: |
1460 | PPCODE: |
1193 | { |
1461 | { |
1194 | dREQ; |
1462 | dREQ; |
1195 | |
1463 | |
1196 | req->type = REQ_SLEEP; |
1464 | req->type = REQ_BUSY; |
1197 | req->fd = delay < 0. ? 0 : delay; |
1465 | req->fd = delay < 0. ? 0 : delay; |
1198 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1466 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1199 | |
1467 | |
1200 | REQ_SEND; |
1468 | REQ_SEND; |
1201 | } |
1469 | } |
… | |
… | |
1205 | SV * callback |
1473 | SV * callback |
1206 | PROTOTYPE: ;$ |
1474 | PROTOTYPE: ;$ |
1207 | PPCODE: |
1475 | PPCODE: |
1208 | { |
1476 | { |
1209 | dREQ; |
1477 | dREQ; |
|
|
1478 | |
1210 | req->type = REQ_GROUP; |
1479 | req->type = REQ_GROUP; |
1211 | req_send (req); |
1480 | req_send (req); |
|
|
1481 | |
1212 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1482 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1213 | } |
1483 | } |
|
|
1484 | |
|
|
1485 | void |
|
|
1486 | aio_nop (callback=&PL_sv_undef) |
|
|
1487 | SV * callback |
|
|
1488 | PPCODE: |
|
|
1489 | { |
|
|
1490 | dREQ; |
|
|
1491 | |
|
|
1492 | req->type = REQ_NOP; |
|
|
1493 | |
|
|
1494 | REQ_SEND; |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | int |
|
|
1498 | aioreq_pri (int pri = 0) |
|
|
1499 | PROTOTYPE: ;$ |
|
|
1500 | CODE: |
|
|
1501 | RETVAL = next_pri - PRI_BIAS; |
|
|
1502 | if (items > 0) |
|
|
1503 | { |
|
|
1504 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1505 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1506 | next_pri = pri + PRI_BIAS; |
|
|
1507 | } |
|
|
1508 | OUTPUT: |
|
|
1509 | RETVAL |
|
|
1510 | |
|
|
1511 | void |
|
|
1512 | aioreq_nice (int nice = 0) |
|
|
1513 | CODE: |
|
|
1514 | nice = next_pri - nice; |
|
|
1515 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1516 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1517 | next_pri = nice + PRI_BIAS; |
1214 | |
1518 | |
1215 | void |
1519 | void |
1216 | flush () |
1520 | flush () |
1217 | PROTOTYPE: |
1521 | PROTOTYPE: |
1218 | CODE: |
1522 | CODE: |
1219 | while (nreqs) |
1523 | while (nreqs) |
1220 | { |
1524 | { |
1221 | poll_wait (); |
1525 | poll_wait (); |
1222 | poll_cb (); |
1526 | poll_cb (0); |
1223 | } |
1527 | } |
1224 | |
1528 | |
1225 | void |
1529 | void |
1226 | poll() |
1530 | poll() |
1227 | PROTOTYPE: |
1531 | PROTOTYPE: |
1228 | CODE: |
1532 | CODE: |
1229 | if (nreqs) |
1533 | if (nreqs) |
1230 | { |
1534 | { |
1231 | poll_wait (); |
1535 | poll_wait (); |
1232 | poll_cb (); |
1536 | poll_cb (0); |
1233 | } |
1537 | } |
1234 | |
1538 | |
1235 | int |
1539 | int |
1236 | poll_fileno() |
1540 | poll_fileno() |
1237 | PROTOTYPE: |
1541 | PROTOTYPE: |
… | |
… | |
1242 | |
1546 | |
1243 | int |
1547 | int |
1244 | poll_cb(...) |
1548 | poll_cb(...) |
1245 | PROTOTYPE: |
1549 | PROTOTYPE: |
1246 | CODE: |
1550 | CODE: |
1247 | RETVAL = poll_cb (); |
1551 | RETVAL = poll_cb (0); |
|
|
1552 | OUTPUT: |
|
|
1553 | RETVAL |
|
|
1554 | |
|
|
1555 | int |
|
|
1556 | poll_some(int max = 0) |
|
|
1557 | PROTOTYPE: $ |
|
|
1558 | CODE: |
|
|
1559 | RETVAL = poll_cb (max); |
1248 | OUTPUT: |
1560 | OUTPUT: |
1249 | RETVAL |
1561 | RETVAL |
1250 | |
1562 | |
1251 | void |
1563 | void |
1252 | poll_wait() |
1564 | poll_wait() |
… | |
… | |
1261 | CODE: |
1573 | CODE: |
1262 | RETVAL = nreqs; |
1574 | RETVAL = nreqs; |
1263 | OUTPUT: |
1575 | OUTPUT: |
1264 | RETVAL |
1576 | RETVAL |
1265 | |
1577 | |
1266 | PROTOTYPES: DISABLE |
1578 | int |
1267 | |
1579 | nready() |
1268 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1269 | |
|
|
1270 | void |
|
|
1271 | cancel (aio_req_ornot req) |
|
|
1272 | PROTOTYPE: |
1580 | PROTOTYPE: |
1273 | CODE: |
1581 | CODE: |
|
|
1582 | RETVAL = get_nready (); |
|
|
1583 | OUTPUT: |
|
|
1584 | RETVAL |
|
|
1585 | |
|
|
1586 | int |
|
|
1587 | npending() |
|
|
1588 | PROTOTYPE: |
|
|
1589 | CODE: |
|
|
1590 | RETVAL = get_npending (); |
|
|
1591 | OUTPUT: |
|
|
1592 | RETVAL |
|
|
1593 | |
|
|
1594 | PROTOTYPES: DISABLE |
|
|
1595 | |
|
|
1596 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1597 | |
|
|
1598 | void |
|
|
1599 | cancel (aio_req_ornot req) |
|
|
1600 | CODE: |
1274 | req_cancel (req); |
1601 | req_cancel (req); |
|
|
1602 | |
|
|
1603 | void |
|
|
1604 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1605 | CODE: |
|
|
1606 | SvREFCNT_dec (req->callback); |
|
|
1607 | req->callback = newSVsv (callback); |
1275 | |
1608 | |
1276 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1609 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1277 | |
1610 | |
1278 | void |
1611 | void |
1279 | add (aio_req grp, ...) |
1612 | add (aio_req grp, ...) |
1280 | PPCODE: |
1613 | PPCODE: |
1281 | { |
1614 | { |
1282 | int i; |
1615 | int i; |
|
|
1616 | aio_req req; |
1283 | |
1617 | |
1284 | if (grp->fd == 2) |
1618 | if (grp->fd == 2) |
1285 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1619 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1286 | |
1620 | |
1287 | for (i = 1; i < items; ++i ) |
1621 | for (i = 1; i < items; ++i ) |
1288 | { |
1622 | { |
1289 | if (GIMME_V != G_VOID) |
1623 | if (GIMME_V != G_VOID) |
1290 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1624 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1291 | |
1625 | |
1292 | aio_req req = SvAIO_REQ (ST (i)); |
1626 | req = SvAIO_REQ (ST (i)); |
1293 | |
1627 | |
1294 | if (req) |
1628 | if (req) |
1295 | { |
1629 | { |
1296 | ++grp->length; |
1630 | ++grp->length; |
1297 | req->grp = grp; |
1631 | req->grp = grp; |
… | |
… | |
1306 | } |
1640 | } |
1307 | } |
1641 | } |
1308 | } |
1642 | } |
1309 | |
1643 | |
1310 | void |
1644 | void |
|
|
1645 | cancel_subs (aio_req_ornot req) |
|
|
1646 | CODE: |
|
|
1647 | req_cancel_subs (req); |
|
|
1648 | |
|
|
1649 | void |
1311 | result (aio_req grp, ...) |
1650 | result (aio_req grp, ...) |
1312 | CODE: |
1651 | CODE: |
1313 | { |
1652 | { |
1314 | int i; |
1653 | int i; |
|
|
1654 | AV *av; |
|
|
1655 | |
|
|
1656 | grp->errorno = errno; |
|
|
1657 | |
1315 | AV *av = newAV (); |
1658 | av = newAV (); |
1316 | |
1659 | |
1317 | for (i = 1; i < items; ++i ) |
1660 | for (i = 1; i < items; ++i ) |
1318 | av_push (av, newSVsv (ST (i))); |
1661 | av_push (av, newSVsv (ST (i))); |
1319 | |
1662 | |
1320 | SvREFCNT_dec (grp->data); |
1663 | SvREFCNT_dec (grp->data); |
1321 | grp->data = (SV *)av; |
1664 | grp->data = (SV *)av; |
1322 | } |
1665 | } |
1323 | |
1666 | |
1324 | void |
1667 | void |
1325 | lock (aio_req grp) |
1668 | errno (aio_req grp, int errorno = errno) |
1326 | CODE: |
1669 | CODE: |
1327 | ++grp->length; |
1670 | grp->errorno = errorno; |
1328 | |
1671 | |
1329 | void |
1672 | void |
1330 | unlock (aio_req grp) |
|
|
1331 | CODE: |
|
|
1332 | aio_grp_dec (grp); |
|
|
1333 | |
|
|
1334 | void |
|
|
1335 | feeder_limit (aio_req grp, int limit) |
1673 | limit (aio_req grp, int limit) |
1336 | CODE: |
1674 | CODE: |
1337 | grp->fd2 = limit; |
1675 | grp->fd2 = limit; |
1338 | aio_grp_feed (grp); |
1676 | aio_grp_feed (grp); |
1339 | |
1677 | |
1340 | void |
1678 | void |
1341 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
1679 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1342 | CODE: |
1680 | CODE: |
1343 | { |
1681 | { |
1344 | SvREFCNT_dec (grp->fh2); |
1682 | SvREFCNT_dec (grp->fh2); |
1345 | grp->fh2 = newSVsv (callback); |
1683 | grp->fh2 = newSVsv (callback); |
1346 | |
1684 | |