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1 | #if __linux |
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2 | # define _GNU_SOURCE |
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3 | #endif |
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4 | |
1 | #define _REENTRANT 1 |
5 | #define _REENTRANT 1 |
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6 | |
2 | #include <errno.h> |
7 | #include <errno.h> |
3 | |
8 | |
4 | #include "EXTERN.h" |
9 | #include "EXTERN.h" |
5 | #include "perl.h" |
10 | #include "perl.h" |
6 | #include "XSUB.h" |
11 | #include "XSUB.h" |
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9 | |
14 | |
10 | #include <pthread.h> |
15 | #include <pthread.h> |
11 | |
16 | |
12 | #include <stddef.h> |
17 | #include <stddef.h> |
13 | #include <errno.h> |
18 | #include <errno.h> |
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19 | #include <sys/time.h> |
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20 | #include <sys/select.h> |
14 | #include <sys/types.h> |
21 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
22 | #include <sys/stat.h> |
16 | #include <limits.h> |
23 | #include <limits.h> |
17 | #include <unistd.h> |
24 | #include <unistd.h> |
18 | #include <fcntl.h> |
25 | #include <fcntl.h> |
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39 | # define NAME_MAX 4096 |
46 | # define NAME_MAX 4096 |
40 | #endif |
47 | #endif |
41 | |
48 | |
42 | #if __ia64 |
49 | #if __ia64 |
43 | # define STACKSIZE 65536 |
50 | # define STACKSIZE 65536 |
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51 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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52 | # define STACKSIZE PTHREAD_STACK_MIN |
44 | #else |
53 | #else |
45 | # define STACKSIZE 8192 |
54 | # define STACKSIZE 16384 |
46 | #endif |
55 | #endif |
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56 | |
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57 | /* buffer size for various temporary buffers */ |
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58 | #define AIO_BUFSIZE 65536 |
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59 | |
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60 | #define dBUF \ |
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61 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
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62 | if (!aio_buf) \ |
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63 | return -1; |
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64 | |
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65 | #define fBUF free (aio_buf) |
47 | |
66 | |
48 | enum { |
67 | enum { |
49 | REQ_QUIT, |
68 | REQ_QUIT, |
50 | REQ_OPEN, REQ_CLOSE, |
69 | REQ_OPEN, REQ_CLOSE, |
51 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
70 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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53 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
72 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
54 | REQ_FSYNC, REQ_FDATASYNC, |
73 | REQ_FSYNC, REQ_FDATASYNC, |
55 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
74 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
56 | REQ_READDIR, |
75 | REQ_READDIR, |
57 | REQ_LINK, REQ_SYMLINK, |
76 | REQ_LINK, REQ_SYMLINK, |
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77 | REQ_GROUP, REQ_NOP, |
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78 | REQ_SLEEP, |
58 | }; |
79 | }; |
59 | |
80 | |
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81 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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82 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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83 | |
60 | typedef struct aio_cb { |
84 | typedef struct aio_cb |
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85 | { |
61 | struct aio_cb *volatile next; |
86 | struct aio_cb *volatile next; |
62 | |
87 | |
63 | int type; |
88 | SV *data, *callback; |
64 | |
89 | SV *fh, *fh2; |
65 | /* should receive a cleanup, with unions */ |
90 | void *dataptr, *data2ptr; |
66 | int fd, fd2; |
91 | Stat_t *statdata; |
67 | off_t offset; |
92 | off_t offset; |
68 | size_t length; |
93 | size_t length; |
69 | ssize_t result; |
94 | ssize_t result; |
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95 | |
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96 | STRLEN dataoffset; |
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97 | int type; |
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98 | int fd, fd2; |
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99 | int errorno; |
70 | mode_t mode; /* open */ |
100 | mode_t mode; /* open */ |
71 | int errorno; |
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72 | SV *data, *callback; |
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73 | SV *fh, *fh2; |
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74 | void *dataptr, *data2ptr; |
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75 | STRLEN dataoffset; |
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76 | |
101 | |
77 | Stat_t *statdata; |
102 | unsigned char flags; |
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103 | unsigned char pri; |
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104 | |
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105 | SV *self; /* the perl counterpart of this request, if any */ |
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106 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
78 | } aio_cb; |
107 | } aio_cb; |
79 | |
108 | |
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109 | enum { |
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110 | FLAG_CANCELLED = 0x01, |
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111 | }; |
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112 | |
80 | typedef aio_cb *aio_req; |
113 | typedef aio_cb *aio_req; |
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114 | typedef aio_cb *aio_req_ornot; |
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115 | |
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116 | enum { |
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117 | PRI_MIN = -4, |
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118 | PRI_MAX = 4, |
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119 | |
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120 | DEFAULT_PRI = 0, |
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121 | PRI_BIAS = -PRI_MIN, |
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122 | }; |
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123 | |
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124 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
81 | |
125 | |
82 | static int started, wanted; |
126 | static int started, wanted; |
83 | static volatile int nreqs; |
127 | static volatile int nreqs; |
84 | static int max_outstanding = 1<<30; |
128 | static int max_outstanding = 1<<30; |
85 | static int respipe [2]; |
129 | static int respipe [2]; |
86 | |
130 | |
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131 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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132 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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133 | #else |
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134 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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135 | #endif |
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136 | |
87 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
137 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
88 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
138 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
89 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
139 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
90 | |
140 | |
91 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
141 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
92 | static volatile aio_req ress, rese; /* queue start, queue end */ |
142 | static volatile aio_req ress, rese; /* queue start, queue end */ |
93 | |
143 | |
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144 | static void req_invoke (aio_req req); |
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145 | static void req_free (aio_req req); |
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146 | |
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147 | /* must be called at most once */ |
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148 | static SV *req_sv (aio_req req, const char *klass) |
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149 | { |
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150 | if (!req->self) |
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151 | { |
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152 | req->self = (SV *)newHV (); |
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153 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
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154 | } |
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155 | |
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156 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
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157 | } |
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158 | |
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159 | static aio_req SvAIO_REQ (SV *sv) |
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160 | { |
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161 | MAGIC *mg; |
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162 | |
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163 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
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164 | croak ("object of class " AIO_REQ_KLASS " expected"); |
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165 | |
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166 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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167 | |
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168 | return mg ? (aio_req)mg->mg_ptr : 0; |
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169 | } |
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170 | |
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171 | static void aio_grp_feed (aio_req grp) |
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172 | { |
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173 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
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174 | { |
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175 | int old_len = grp->length; |
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176 | |
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177 | if (grp->fh2 && SvOK (grp->fh2)) |
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178 | { |
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179 | dSP; |
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180 | |
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181 | ENTER; |
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182 | SAVETMPS; |
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183 | PUSHMARK (SP); |
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184 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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185 | PUTBACK; |
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186 | call_sv (grp->fh2, G_VOID | G_EVAL); |
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187 | SPAGAIN; |
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188 | FREETMPS; |
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189 | LEAVE; |
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190 | } |
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191 | |
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192 | /* stop if no progress has been made */ |
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193 | if (old_len == grp->length) |
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194 | { |
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195 | SvREFCNT_dec (grp->fh2); |
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196 | grp->fh2 = 0; |
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197 | break; |
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198 | } |
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199 | } |
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200 | } |
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201 | |
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202 | static void aio_grp_dec (aio_req grp) |
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203 | { |
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204 | --grp->length; |
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205 | |
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206 | /* call feeder, if applicable */ |
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207 | aio_grp_feed (grp); |
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208 | |
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209 | /* finish, if done */ |
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210 | if (!grp->length && grp->fd) |
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211 | { |
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212 | req_invoke (grp); |
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213 | req_free (grp); |
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214 | } |
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215 | } |
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216 | |
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217 | static void poll_wait () |
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218 | { |
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219 | fd_set rfd; |
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220 | |
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221 | while (nreqs) |
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222 | { |
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223 | aio_req req; |
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224 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
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225 | pthread_mutex_lock (&reslock); |
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226 | #endif |
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227 | req = ress; |
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228 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
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229 | pthread_mutex_unlock (&reslock); |
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230 | #endif |
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231 | |
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232 | if (req) |
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233 | return; |
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234 | |
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235 | FD_ZERO(&rfd); |
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236 | FD_SET(respipe [0], &rfd); |
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237 | |
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238 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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239 | } |
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240 | } |
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241 | |
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242 | static void req_invoke (aio_req req) |
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243 | { |
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244 | dSP; |
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245 | int errorno = errno; |
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246 | |
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247 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
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248 | return; |
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249 | |
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250 | errno = req->errorno; |
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251 | |
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252 | ENTER; |
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253 | SAVETMPS; |
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254 | PUSHMARK (SP); |
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255 | EXTEND (SP, 1); |
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256 | |
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257 | switch (req->type) |
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258 | { |
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259 | case REQ_READDIR: |
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260 | { |
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261 | SV *rv = &PL_sv_undef; |
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262 | |
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263 | if (req->result >= 0) |
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264 | { |
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265 | char *buf = req->data2ptr; |
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266 | AV *av = newAV (); |
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267 | |
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268 | while (req->result) |
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269 | { |
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270 | SV *sv = newSVpv (buf, 0); |
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271 | |
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272 | av_push (av, sv); |
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273 | buf += SvCUR (sv) + 1; |
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274 | req->result--; |
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275 | } |
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276 | |
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277 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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278 | } |
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279 | |
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280 | PUSHs (rv); |
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281 | } |
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282 | break; |
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283 | |
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284 | case REQ_OPEN: |
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285 | { |
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286 | /* convert fd to fh */ |
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287 | SV *fh; |
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288 | |
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289 | PUSHs (sv_2mortal (newSViv (req->result))); |
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290 | PUTBACK; |
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291 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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292 | SPAGAIN; |
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293 | |
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294 | fh = SvREFCNT_inc (POPs); |
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295 | |
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296 | PUSHMARK (SP); |
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297 | XPUSHs (sv_2mortal (fh)); |
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298 | } |
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299 | break; |
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300 | |
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301 | case REQ_GROUP: |
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302 | req->fd = 2; /* mark group as finished */ |
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303 | |
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304 | if (req->data) |
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305 | { |
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306 | int i; |
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307 | AV *av = (AV *)req->data; |
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308 | |
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309 | EXTEND (SP, AvFILL (av) + 1); |
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310 | for (i = 0; i <= AvFILL (av); ++i) |
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311 | PUSHs (*av_fetch (av, i, 0)); |
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312 | } |
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313 | break; |
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314 | |
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315 | case REQ_NOP: |
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316 | case REQ_SLEEP: |
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317 | break; |
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318 | |
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319 | default: |
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320 | PUSHs (sv_2mortal (newSViv (req->result))); |
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321 | break; |
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322 | } |
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323 | |
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324 | |
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325 | PUTBACK; |
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326 | call_sv (req->callback, G_VOID | G_EVAL); |
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327 | SPAGAIN; |
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328 | |
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329 | FREETMPS; |
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330 | LEAVE; |
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331 | |
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332 | errno = errorno; |
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333 | |
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334 | if (SvTRUE (ERRSV)) |
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335 | { |
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336 | req_free (req); |
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337 | croak (0); |
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338 | } |
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339 | } |
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340 | |
94 | static void free_req (aio_req req) |
341 | static void req_free (aio_req req) |
95 | { |
342 | { |
96 | if (req->data) |
343 | if (req->grp) |
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344 | { |
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345 | aio_req grp = req->grp; |
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346 | |
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347 | /* unlink request */ |
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348 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
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349 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
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350 | |
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351 | if (grp->grp_first == req) |
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352 | grp->grp_first = req->grp_next; |
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353 | |
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354 | aio_grp_dec (grp); |
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355 | } |
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356 | |
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357 | if (req->self) |
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358 | { |
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359 | sv_unmagic (req->self, PERL_MAGIC_ext); |
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360 | SvREFCNT_dec (req->self); |
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361 | } |
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362 | |
97 | SvREFCNT_dec (req->data); |
363 | SvREFCNT_dec (req->data); |
98 | |
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99 | if (req->fh) |
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100 | SvREFCNT_dec (req->fh); |
364 | SvREFCNT_dec (req->fh); |
101 | |
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102 | if (req->fh2) |
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103 | SvREFCNT_dec (req->fh2); |
365 | SvREFCNT_dec (req->fh2); |
104 | |
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105 | if (req->statdata) |
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106 | Safefree (req->statdata); |
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107 | |
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108 | if (req->callback) |
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109 | SvREFCNT_dec (req->callback); |
366 | SvREFCNT_dec (req->callback); |
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367 | Safefree (req->statdata); |
110 | |
368 | |
111 | if (req->type == REQ_READDIR && req->result >= 0) |
369 | if (req->type == REQ_READDIR && req->result >= 0) |
112 | free (req->data2ptr); |
370 | free (req->data2ptr); |
113 | |
371 | |
114 | Safefree (req); |
372 | Safefree (req); |
115 | } |
373 | } |
116 | |
374 | |
117 | static void |
375 | static void req_cancel (aio_req req) |
118 | poll_wait () |
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119 | { |
376 | { |
120 | if (nreqs && !ress) |
377 | req->flags |= FLAG_CANCELLED; |
121 | { |
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122 | fd_set rfd; |
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123 | FD_ZERO(&rfd); |
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124 | FD_SET(respipe [0], &rfd); |
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125 | |
378 | |
126 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
379 | if (req->type == REQ_GROUP) |
127 | } |
380 | { |
128 | } |
381 | aio_req sub; |
129 | |
382 | |
130 | static int |
383 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
131 | poll_cb () |
384 | req_cancel (sub); |
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385 | } |
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386 | } |
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387 | |
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388 | static int poll_cb () |
132 | { |
389 | { |
133 | dSP; |
390 | dSP; |
134 | int count = 0; |
391 | int count = 0; |
135 | int do_croak = 0; |
392 | int do_croak = 0; |
136 | aio_req req; |
393 | aio_req req; |
… | |
… | |
158 | pthread_mutex_unlock (&reslock); |
415 | pthread_mutex_unlock (&reslock); |
159 | |
416 | |
160 | if (!req) |
417 | if (!req) |
161 | break; |
418 | break; |
162 | |
419 | |
163 | nreqs--; |
420 | --nreqs; |
164 | |
421 | |
165 | if (req->type == REQ_QUIT) |
422 | if (req->type == REQ_QUIT) |
166 | started--; |
423 | started--; |
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424 | else if (req->type == REQ_GROUP && req->length) |
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425 | { |
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426 | req->fd = 1; /* mark request as delayed */ |
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427 | continue; |
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428 | } |
167 | else |
429 | else |
168 | { |
430 | { |
169 | int errorno = errno; |
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170 | errno = req->errorno; |
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171 | |
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172 | if (req->type == REQ_READ) |
431 | if (req->type == REQ_READ) |
173 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
432 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
174 | |
433 | |
175 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
434 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
176 | SvREADONLY_off (req->data); |
435 | SvREADONLY_off (req->data); |
… | |
… | |
180 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
439 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
181 | PL_laststatval = req->result; |
440 | PL_laststatval = req->result; |
182 | PL_statcache = *(req->statdata); |
441 | PL_statcache = *(req->statdata); |
183 | } |
442 | } |
184 | |
443 | |
185 | ENTER; |
444 | req_invoke (req); |
186 | PUSHMARK (SP); |
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187 | |
445 | |
188 | if (req->type == REQ_READDIR) |
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189 | { |
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190 | SV *rv = &PL_sv_undef; |
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191 | |
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192 | if (req->result >= 0) |
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193 | { |
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194 | char *buf = req->data2ptr; |
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195 | AV *av = newAV (); |
|
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196 | |
|
|
197 | while (req->result) |
|
|
198 | { |
|
|
199 | SV *sv = newSVpv (buf, 0); |
|
|
200 | |
|
|
201 | av_push (av, sv); |
|
|
202 | buf += SvCUR (sv) + 1; |
|
|
203 | req->result--; |
|
|
204 | } |
|
|
205 | |
|
|
206 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
207 | } |
|
|
208 | |
|
|
209 | XPUSHs (rv); |
|
|
210 | } |
|
|
211 | else |
|
|
212 | { |
|
|
213 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
214 | |
|
|
215 | if (req->type == REQ_OPEN) |
|
|
216 | { |
|
|
217 | /* convert fd to fh */ |
|
|
218 | SV *fh; |
|
|
219 | |
|
|
220 | PUTBACK; |
|
|
221 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
222 | SPAGAIN; |
|
|
223 | |
|
|
224 | fh = SvREFCNT_inc (POPs); |
|
|
225 | |
|
|
226 | PUSHMARK (SP); |
|
|
227 | XPUSHs (sv_2mortal (fh)); |
|
|
228 | } |
|
|
229 | } |
|
|
230 | |
|
|
231 | if (SvOK (req->callback)) |
|
|
232 | { |
|
|
233 | PUTBACK; |
|
|
234 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
235 | SPAGAIN; |
|
|
236 | |
|
|
237 | if (SvTRUE (ERRSV)) |
|
|
238 | { |
|
|
239 | free_req (req); |
|
|
240 | croak (0); |
|
|
241 | } |
|
|
242 | } |
|
|
243 | |
|
|
244 | LEAVE; |
|
|
245 | |
|
|
246 | errno = errorno; |
|
|
247 | count++; |
446 | count++; |
248 | } |
447 | } |
249 | |
448 | |
250 | free_req (req); |
449 | req_free (req); |
251 | } |
450 | } |
252 | |
451 | |
253 | return count; |
452 | return count; |
254 | } |
453 | } |
255 | |
454 | |
256 | static void *aio_proc(void *arg); |
455 | static void *aio_proc(void *arg); |
257 | |
456 | |
258 | static void |
|
|
259 | start_thread (void) |
457 | static void start_thread (void) |
260 | { |
458 | { |
261 | sigset_t fullsigset, oldsigset; |
459 | sigset_t fullsigset, oldsigset; |
262 | pthread_t tid; |
460 | pthread_t tid; |
263 | pthread_attr_t attr; |
461 | pthread_attr_t attr; |
264 | |
462 | |
… | |
… | |
273 | started++; |
471 | started++; |
274 | |
472 | |
275 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
473 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
276 | } |
474 | } |
277 | |
475 | |
278 | static void |
476 | static void req_send (aio_req req) |
279 | send_req (aio_req req) |
|
|
280 | { |
477 | { |
281 | while (started < wanted && nreqs >= started) |
478 | while (started < wanted && nreqs >= started) |
282 | start_thread (); |
479 | start_thread (); |
283 | |
480 | |
284 | nreqs++; |
481 | ++nreqs; |
285 | |
482 | |
286 | pthread_mutex_lock (&reqlock); |
483 | pthread_mutex_lock (&reqlock); |
287 | |
484 | |
288 | req->next = 0; |
485 | req->next = 0; |
289 | |
486 | |
… | |
… | |
308 | |
505 | |
309 | poll_wait (); |
506 | poll_wait (); |
310 | } |
507 | } |
311 | } |
508 | } |
312 | |
509 | |
313 | static void |
510 | static void end_thread (void) |
314 | end_thread (void) |
|
|
315 | { |
511 | { |
316 | aio_req req; |
512 | aio_req req; |
317 | Newz (0, req, 1, aio_cb); |
513 | Newz (0, req, 1, aio_cb); |
318 | req->type = REQ_QUIT; |
514 | req->type = REQ_QUIT; |
319 | |
515 | |
320 | send_req (req); |
516 | req_send (req); |
321 | } |
517 | } |
322 | |
518 | |
323 | static void min_parallel (int nthreads) |
519 | static void min_parallel (int nthreads) |
324 | { |
520 | { |
325 | if (wanted < nthreads) |
521 | if (wanted < nthreads) |
… | |
… | |
370 | * normal read/write by using a mutex. slows down execution a lot, |
566 | * normal read/write by using a mutex. slows down execution a lot, |
371 | * but that's your problem, not mine. |
567 | * but that's your problem, not mine. |
372 | */ |
568 | */ |
373 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
569 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
374 | |
570 | |
375 | static ssize_t |
571 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
376 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
377 | { |
572 | { |
378 | ssize_t res; |
573 | ssize_t res; |
379 | off_t ooffset; |
574 | off_t ooffset; |
380 | |
575 | |
381 | pthread_mutex_lock (&preadwritelock); |
576 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
386 | pthread_mutex_unlock (&preadwritelock); |
581 | pthread_mutex_unlock (&preadwritelock); |
387 | |
582 | |
388 | return res; |
583 | return res; |
389 | } |
584 | } |
390 | |
585 | |
391 | static ssize_t |
|
|
392 | pwrite (int fd, void *buf, size_t count, off_t offset) |
586 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
393 | { |
587 | { |
394 | ssize_t res; |
588 | ssize_t res; |
395 | off_t ooffset; |
589 | off_t ooffset; |
396 | |
590 | |
397 | pthread_mutex_lock (&preadwritelock); |
591 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
410 | #endif |
604 | #endif |
411 | |
605 | |
412 | #if !HAVE_READAHEAD |
606 | #if !HAVE_READAHEAD |
413 | # define readahead aio_readahead |
607 | # define readahead aio_readahead |
414 | |
608 | |
415 | static ssize_t |
|
|
416 | readahead (int fd, off_t offset, size_t count) |
609 | static ssize_t readahead (int fd, off_t offset, size_t count) |
417 | { |
610 | { |
418 | char readahead_buf[4096]; |
611 | dBUF; |
419 | |
612 | |
420 | while (count > 0) |
613 | while (count > 0) |
421 | { |
614 | { |
422 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
615 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
423 | |
616 | |
424 | pread (fd, readahead_buf, len, offset); |
617 | pread (fd, aio_buf, len, offset); |
425 | offset += len; |
618 | offset += len; |
426 | count -= len; |
619 | count -= len; |
427 | } |
620 | } |
428 | |
621 | |
|
|
622 | fBUF; |
|
|
623 | |
429 | errno = 0; |
624 | errno = 0; |
430 | } |
625 | } |
431 | #endif |
626 | #endif |
432 | |
627 | |
433 | #if !HAVE_READDIR_R |
628 | #if !HAVE_READDIR_R |
434 | # define readdir_r aio_readdir_r |
629 | # define readdir_r aio_readdir_r |
435 | |
630 | |
436 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
631 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
437 | |
632 | |
438 | static int |
|
|
439 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
633 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
440 | { |
634 | { |
441 | struct dirent *e; |
635 | struct dirent *e; |
442 | int errorno; |
636 | int errorno; |
443 | |
637 | |
444 | pthread_mutex_lock (&readdirlock); |
638 | pthread_mutex_lock (&readdirlock); |
… | |
… | |
460 | return e ? 0 : -1; |
654 | return e ? 0 : -1; |
461 | } |
655 | } |
462 | #endif |
656 | #endif |
463 | |
657 | |
464 | /* sendfile always needs emulation */ |
658 | /* sendfile always needs emulation */ |
465 | static ssize_t |
|
|
466 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
659 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
467 | { |
660 | { |
468 | ssize_t res; |
661 | ssize_t res; |
469 | |
662 | |
470 | if (!count) |
663 | if (!count) |
471 | return 0; |
664 | return 0; |
… | |
… | |
520 | #endif |
713 | #endif |
521 | ) |
714 | ) |
522 | ) |
715 | ) |
523 | { |
716 | { |
524 | /* emulate sendfile. this is a major pain in the ass */ |
717 | /* emulate sendfile. this is a major pain in the ass */ |
525 | char buf[4096]; |
718 | dBUF; |
|
|
719 | |
526 | res = 0; |
720 | res = 0; |
527 | |
721 | |
528 | while (count) |
722 | while (count) |
529 | { |
723 | { |
530 | ssize_t cnt; |
724 | ssize_t cnt; |
531 | |
725 | |
532 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
726 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
533 | |
727 | |
534 | if (cnt <= 0) |
728 | if (cnt <= 0) |
535 | { |
729 | { |
536 | if (cnt && !res) res = -1; |
730 | if (cnt && !res) res = -1; |
537 | break; |
731 | break; |
538 | } |
732 | } |
539 | |
733 | |
540 | cnt = write (ofd, buf, cnt); |
734 | cnt = write (ofd, aio_buf, cnt); |
541 | |
735 | |
542 | if (cnt <= 0) |
736 | if (cnt <= 0) |
543 | { |
737 | { |
544 | if (cnt && !res) res = -1; |
738 | if (cnt && !res) res = -1; |
545 | break; |
739 | break; |
… | |
… | |
547 | |
741 | |
548 | offset += cnt; |
742 | offset += cnt; |
549 | res += cnt; |
743 | res += cnt; |
550 | count -= cnt; |
744 | count -= cnt; |
551 | } |
745 | } |
|
|
746 | |
|
|
747 | fBUF; |
552 | } |
748 | } |
553 | |
749 | |
554 | return res; |
750 | return res; |
555 | } |
751 | } |
556 | |
752 | |
557 | /* read a full directory */ |
753 | /* read a full directory */ |
558 | static int |
|
|
559 | scandir_ (const char *path, void **namesp) |
754 | static int scandir_ (const char *path, void **namesp) |
560 | { |
755 | { |
561 | DIR *dirp = opendir (path); |
756 | DIR *dirp; |
562 | union |
757 | union |
563 | { |
758 | { |
564 | struct dirent d; |
759 | struct dirent d; |
565 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
760 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
566 | } u; |
761 | } *u; |
567 | struct dirent *entp; |
762 | struct dirent *entp; |
568 | char *name, *names; |
763 | char *name, *names; |
569 | int memlen = 4096; |
764 | int memlen = 4096; |
570 | int memofs = 0; |
765 | int memofs = 0; |
571 | int res = 0; |
766 | int res = 0; |
572 | int errorno; |
767 | int errorno; |
573 | |
768 | |
|
|
769 | dirp = opendir (path); |
574 | if (!dirp) |
770 | if (!dirp) |
575 | return -1; |
771 | return -1; |
576 | |
772 | |
|
|
773 | u = malloc (sizeof (*u)); |
577 | names = malloc (memlen); |
774 | names = malloc (memlen); |
578 | |
775 | |
|
|
776 | if (u && names) |
579 | for (;;) |
777 | for (;;) |
580 | { |
778 | { |
|
|
779 | errno = 0; |
581 | errno = 0, readdir_r (dirp, &u.d, &entp); |
780 | readdir_r (dirp, &u->d, &entp); |
582 | |
781 | |
583 | if (!entp) |
782 | if (!entp) |
584 | break; |
783 | break; |
585 | |
784 | |
586 | name = entp->d_name; |
785 | name = entp->d_name; |
587 | |
786 | |
588 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
787 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
589 | { |
788 | { |
590 | int len = strlen (name) + 1; |
789 | int len = strlen (name) + 1; |
591 | |
790 | |
592 | res++; |
791 | res++; |
593 | |
792 | |
594 | while (memofs + len > memlen) |
793 | while (memofs + len > memlen) |
595 | { |
794 | { |
596 | memlen *= 2; |
795 | memlen *= 2; |
597 | names = realloc (names, memlen); |
796 | names = realloc (names, memlen); |
598 | if (!names) |
797 | if (!names) |
599 | break; |
798 | break; |
600 | } |
799 | } |
601 | |
800 | |
602 | memcpy (names + memofs, name, len); |
801 | memcpy (names + memofs, name, len); |
603 | memofs += len; |
802 | memofs += len; |
604 | } |
803 | } |
605 | } |
804 | } |
606 | |
805 | |
607 | errorno = errno; |
806 | errorno = errno; |
|
|
807 | free (u); |
608 | closedir (dirp); |
808 | closedir (dirp); |
609 | |
809 | |
610 | if (errorno) |
810 | if (errorno) |
611 | { |
811 | { |
612 | free (names); |
812 | free (names); |
… | |
… | |
618 | return res; |
818 | return res; |
619 | } |
819 | } |
620 | |
820 | |
621 | /*****************************************************************************/ |
821 | /*****************************************************************************/ |
622 | |
822 | |
623 | static void * |
|
|
624 | aio_proc (void *thr_arg) |
823 | static void *aio_proc (void *thr_arg) |
625 | { |
824 | { |
626 | aio_req req; |
825 | aio_req req; |
627 | int type; |
826 | int type; |
628 | |
827 | |
629 | do |
828 | do |
… | |
… | |
647 | } |
846 | } |
648 | |
847 | |
649 | pthread_mutex_unlock (&reqlock); |
848 | pthread_mutex_unlock (&reqlock); |
650 | |
849 | |
651 | errno = 0; /* strictly unnecessary */ |
850 | errno = 0; /* strictly unnecessary */ |
|
|
851 | type = req->type; /* remember type for QUIT check */ |
652 | |
852 | |
653 | type = req->type; |
853 | if (!(req->flags & FLAG_CANCELLED)) |
654 | |
|
|
655 | switch (type) |
854 | switch (type) |
656 | { |
855 | { |
657 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
856 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
658 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
857 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
659 | |
858 | |
660 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
859 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
661 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
860 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
662 | |
861 | |
663 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
862 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
664 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
863 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
665 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
864 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
666 | |
865 | |
667 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
866 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
668 | case REQ_CLOSE: req->result = close (req->fd); break; |
867 | case REQ_CLOSE: req->result = close (req->fd); break; |
669 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
868 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
670 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
869 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
671 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
870 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
672 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
871 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
673 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
872 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
674 | |
873 | |
675 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
874 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
676 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
875 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
677 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
876 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
678 | |
877 | |
|
|
878 | case REQ_SLEEP: |
|
|
879 | { |
|
|
880 | struct timeval tv; |
|
|
881 | |
|
|
882 | tv.tv_sec = req->fd; |
|
|
883 | tv.tv_usec = req->fd2; |
|
|
884 | |
|
|
885 | req->result = select (0, 0, 0, 0, &tv); |
|
|
886 | } |
|
|
887 | |
|
|
888 | case REQ_GROUP: |
|
|
889 | case REQ_NOP: |
679 | case REQ_QUIT: |
890 | case REQ_QUIT: |
680 | break; |
891 | break; |
681 | |
892 | |
682 | default: |
893 | default: |
683 | req->result = ENOSYS; |
894 | req->result = ENOSYS; |
684 | break; |
895 | break; |
685 | } |
896 | } |
686 | |
897 | |
687 | req->errorno = errno; |
898 | req->errorno = errno; |
688 | |
899 | |
689 | pthread_mutex_lock (&reslock); |
900 | pthread_mutex_lock (&reslock); |
690 | |
901 | |
… | |
… | |
744 | |
955 | |
745 | while (reqs) |
956 | while (reqs) |
746 | { |
957 | { |
747 | prv = reqs; |
958 | prv = reqs; |
748 | reqs = prv->next; |
959 | reqs = prv->next; |
749 | free_req (prv); |
960 | req_free (prv); |
750 | } |
961 | } |
751 | |
962 | |
752 | reqs = reqe = 0; |
963 | reqs = reqe = 0; |
753 | |
964 | |
754 | while (ress) |
965 | while (ress) |
755 | { |
966 | { |
756 | prv = ress; |
967 | prv = ress; |
757 | ress = prv->next; |
968 | ress = prv->next; |
758 | free_req (prv); |
969 | req_free (prv); |
759 | } |
970 | } |
760 | |
971 | |
761 | ress = rese = 0; |
972 | ress = rese = 0; |
762 | |
973 | |
763 | close (respipe [0]); |
974 | close (respipe [0]); |
… | |
… | |
767 | atfork_parent (); |
978 | atfork_parent (); |
768 | } |
979 | } |
769 | |
980 | |
770 | #define dREQ \ |
981 | #define dREQ \ |
771 | aio_req req; \ |
982 | aio_req req; \ |
|
|
983 | int req_pri = next_pri; \ |
|
|
984 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
772 | \ |
985 | \ |
773 | if (SvOK (callback) && !SvROK (callback)) \ |
986 | if (SvOK (callback) && !SvROK (callback)) \ |
774 | croak ("clalback must be undef or of reference type"); \ |
987 | croak ("callback must be undef or of reference type"); \ |
775 | \ |
988 | \ |
776 | Newz (0, req, 1, aio_cb); \ |
989 | Newz (0, req, 1, aio_cb); \ |
777 | if (!req) \ |
990 | if (!req) \ |
778 | croak ("out of memory during aio_req allocation"); \ |
991 | croak ("out of memory during aio_req allocation"); \ |
779 | \ |
992 | \ |
780 | req->callback = newSVsv (callback); |
993 | req->callback = newSVsv (callback); \ |
|
|
994 | req->pri = req_pri |
|
|
995 | |
|
|
996 | #define REQ_SEND \ |
|
|
997 | req_send (req); \ |
|
|
998 | \ |
|
|
999 | if (GIMME_V != G_VOID) \ |
|
|
1000 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
781 | |
1001 | |
782 | MODULE = IO::AIO PACKAGE = IO::AIO |
1002 | MODULE = IO::AIO PACKAGE = IO::AIO |
783 | |
1003 | |
784 | PROTOTYPES: ENABLE |
1004 | PROTOTYPES: ENABLE |
785 | |
1005 | |
… | |
… | |
817 | SV * pathname |
1037 | SV * pathname |
818 | int flags |
1038 | int flags |
819 | int mode |
1039 | int mode |
820 | SV * callback |
1040 | SV * callback |
821 | PROTOTYPE: $$$;$ |
1041 | PROTOTYPE: $$$;$ |
822 | CODE: |
1042 | PPCODE: |
823 | { |
1043 | { |
824 | dREQ; |
1044 | dREQ; |
825 | |
1045 | |
826 | req->type = REQ_OPEN; |
1046 | req->type = REQ_OPEN; |
827 | req->data = newSVsv (pathname); |
1047 | req->data = newSVsv (pathname); |
828 | req->dataptr = SvPVbyte_nolen (req->data); |
1048 | req->dataptr = SvPVbyte_nolen (req->data); |
829 | req->fd = flags; |
1049 | req->fd = flags; |
830 | req->mode = mode; |
1050 | req->mode = mode; |
831 | |
1051 | |
832 | send_req (req); |
1052 | REQ_SEND; |
833 | } |
1053 | } |
834 | |
1054 | |
835 | void |
1055 | void |
836 | aio_close (fh,callback=&PL_sv_undef) |
1056 | aio_close (fh,callback=&PL_sv_undef) |
837 | SV * fh |
1057 | SV * fh |
… | |
… | |
839 | PROTOTYPE: $;$ |
1059 | PROTOTYPE: $;$ |
840 | ALIAS: |
1060 | ALIAS: |
841 | aio_close = REQ_CLOSE |
1061 | aio_close = REQ_CLOSE |
842 | aio_fsync = REQ_FSYNC |
1062 | aio_fsync = REQ_FSYNC |
843 | aio_fdatasync = REQ_FDATASYNC |
1063 | aio_fdatasync = REQ_FDATASYNC |
844 | CODE: |
1064 | PPCODE: |
845 | { |
1065 | { |
846 | dREQ; |
1066 | dREQ; |
847 | |
1067 | |
848 | req->type = ix; |
1068 | req->type = ix; |
849 | req->fh = newSVsv (fh); |
1069 | req->fh = newSVsv (fh); |
850 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1070 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
851 | |
1071 | |
852 | send_req (req); |
1072 | REQ_SEND (req); |
853 | } |
1073 | } |
854 | |
1074 | |
855 | void |
1075 | void |
856 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1076 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
857 | SV * fh |
1077 | SV * fh |
… | |
… | |
862 | SV * callback |
1082 | SV * callback |
863 | ALIAS: |
1083 | ALIAS: |
864 | aio_read = REQ_READ |
1084 | aio_read = REQ_READ |
865 | aio_write = REQ_WRITE |
1085 | aio_write = REQ_WRITE |
866 | PROTOTYPE: $$$$$;$ |
1086 | PROTOTYPE: $$$$$;$ |
867 | CODE: |
1087 | PPCODE: |
868 | { |
1088 | { |
869 | aio_req req; |
1089 | aio_req req; |
870 | STRLEN svlen; |
1090 | STRLEN svlen; |
871 | char *svptr = SvPVbyte (data, svlen); |
1091 | char *svptr = SvPVbyte (data, svlen); |
872 | |
1092 | |
… | |
… | |
910 | { |
1130 | { |
911 | SvREADONLY_on (data); |
1131 | SvREADONLY_on (data); |
912 | req->data2ptr = (void *)data; |
1132 | req->data2ptr = (void *)data; |
913 | } |
1133 | } |
914 | |
1134 | |
915 | send_req (req); |
1135 | REQ_SEND; |
916 | } |
1136 | } |
917 | } |
1137 | } |
918 | |
1138 | |
919 | void |
1139 | void |
920 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1140 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
… | |
… | |
922 | SV * in_fh |
1142 | SV * in_fh |
923 | UV in_offset |
1143 | UV in_offset |
924 | UV length |
1144 | UV length |
925 | SV * callback |
1145 | SV * callback |
926 | PROTOTYPE: $$$$;$ |
1146 | PROTOTYPE: $$$$;$ |
927 | CODE: |
1147 | PPCODE: |
928 | { |
1148 | { |
929 | dREQ; |
1149 | dREQ; |
930 | |
1150 | |
931 | req->type = REQ_SENDFILE; |
1151 | req->type = REQ_SENDFILE; |
932 | req->fh = newSVsv (out_fh); |
1152 | req->fh = newSVsv (out_fh); |
… | |
… | |
934 | req->fh2 = newSVsv (in_fh); |
1154 | req->fh2 = newSVsv (in_fh); |
935 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1155 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
936 | req->offset = in_offset; |
1156 | req->offset = in_offset; |
937 | req->length = length; |
1157 | req->length = length; |
938 | |
1158 | |
939 | send_req (req); |
1159 | REQ_SEND; |
940 | } |
1160 | } |
941 | |
1161 | |
942 | void |
1162 | void |
943 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1163 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
944 | SV * fh |
1164 | SV * fh |
945 | UV offset |
1165 | UV offset |
946 | IV length |
1166 | IV length |
947 | SV * callback |
1167 | SV * callback |
948 | PROTOTYPE: $$$;$ |
1168 | PROTOTYPE: $$$;$ |
949 | CODE: |
1169 | PPCODE: |
950 | { |
1170 | { |
951 | dREQ; |
1171 | dREQ; |
952 | |
1172 | |
953 | req->type = REQ_READAHEAD; |
1173 | req->type = REQ_READAHEAD; |
954 | req->fh = newSVsv (fh); |
1174 | req->fh = newSVsv (fh); |
955 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1175 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
956 | req->offset = offset; |
1176 | req->offset = offset; |
957 | req->length = length; |
1177 | req->length = length; |
958 | |
1178 | |
959 | send_req (req); |
1179 | REQ_SEND; |
960 | } |
1180 | } |
961 | |
1181 | |
962 | void |
1182 | void |
963 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1183 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
964 | SV * fh_or_path |
1184 | SV * fh_or_path |
965 | SV * callback |
1185 | SV * callback |
966 | ALIAS: |
1186 | ALIAS: |
967 | aio_stat = REQ_STAT |
1187 | aio_stat = REQ_STAT |
968 | aio_lstat = REQ_LSTAT |
1188 | aio_lstat = REQ_LSTAT |
969 | CODE: |
1189 | PPCODE: |
970 | { |
1190 | { |
971 | dREQ; |
1191 | dREQ; |
972 | |
1192 | |
973 | New (0, req->statdata, 1, Stat_t); |
1193 | New (0, req->statdata, 1, Stat_t); |
974 | if (!req->statdata) |
1194 | if (!req->statdata) |
975 | { |
1195 | { |
976 | free_req (req); |
1196 | req_free (req); |
977 | croak ("out of memory during aio_req->statdata allocation"); |
1197 | croak ("out of memory during aio_req->statdata allocation"); |
978 | } |
1198 | } |
979 | |
1199 | |
980 | if (SvPOK (fh_or_path)) |
1200 | if (SvPOK (fh_or_path)) |
981 | { |
1201 | { |
… | |
… | |
988 | req->type = REQ_FSTAT; |
1208 | req->type = REQ_FSTAT; |
989 | req->fh = newSVsv (fh_or_path); |
1209 | req->fh = newSVsv (fh_or_path); |
990 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1210 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
991 | } |
1211 | } |
992 | |
1212 | |
993 | send_req (req); |
1213 | REQ_SEND; |
994 | } |
1214 | } |
995 | |
1215 | |
996 | void |
1216 | void |
997 | aio_unlink (pathname,callback=&PL_sv_undef) |
1217 | aio_unlink (pathname,callback=&PL_sv_undef) |
998 | SV * pathname |
1218 | SV * pathname |
999 | SV * callback |
1219 | SV * callback |
1000 | ALIAS: |
1220 | ALIAS: |
1001 | aio_unlink = REQ_UNLINK |
1221 | aio_unlink = REQ_UNLINK |
1002 | aio_rmdir = REQ_RMDIR |
1222 | aio_rmdir = REQ_RMDIR |
1003 | aio_readdir = REQ_READDIR |
1223 | aio_readdir = REQ_READDIR |
1004 | CODE: |
1224 | PPCODE: |
1005 | { |
1225 | { |
1006 | dREQ; |
1226 | dREQ; |
1007 | |
1227 | |
1008 | req->type = ix; |
1228 | req->type = ix; |
1009 | req->data = newSVsv (pathname); |
1229 | req->data = newSVsv (pathname); |
1010 | req->dataptr = SvPVbyte_nolen (req->data); |
1230 | req->dataptr = SvPVbyte_nolen (req->data); |
1011 | |
1231 | |
1012 | send_req (req); |
1232 | REQ_SEND; |
1013 | } |
1233 | } |
1014 | |
1234 | |
1015 | void |
1235 | void |
1016 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1236 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1017 | SV * oldpath |
1237 | SV * oldpath |
… | |
… | |
1019 | SV * callback |
1239 | SV * callback |
1020 | ALIAS: |
1240 | ALIAS: |
1021 | aio_link = REQ_LINK |
1241 | aio_link = REQ_LINK |
1022 | aio_symlink = REQ_SYMLINK |
1242 | aio_symlink = REQ_SYMLINK |
1023 | aio_rename = REQ_RENAME |
1243 | aio_rename = REQ_RENAME |
1024 | CODE: |
1244 | PPCODE: |
1025 | { |
1245 | { |
1026 | dREQ; |
1246 | dREQ; |
1027 | |
1247 | |
1028 | req->type = ix; |
1248 | req->type = ix; |
1029 | req->fh = newSVsv (oldpath); |
1249 | req->fh = newSVsv (oldpath); |
1030 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1250 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1031 | req->data = newSVsv (newpath); |
1251 | req->data = newSVsv (newpath); |
1032 | req->dataptr = SvPVbyte_nolen (req->data); |
1252 | req->dataptr = SvPVbyte_nolen (req->data); |
1033 | |
1253 | |
1034 | send_req (req); |
1254 | REQ_SEND; |
1035 | } |
1255 | } |
|
|
1256 | |
|
|
1257 | void |
|
|
1258 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1259 | double delay |
|
|
1260 | SV * callback |
|
|
1261 | PPCODE: |
|
|
1262 | { |
|
|
1263 | dREQ; |
|
|
1264 | |
|
|
1265 | req->type = REQ_SLEEP; |
|
|
1266 | req->fd = delay < 0. ? 0 : delay; |
|
|
1267 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1268 | |
|
|
1269 | REQ_SEND; |
|
|
1270 | } |
|
|
1271 | |
|
|
1272 | void |
|
|
1273 | aio_group (callback=&PL_sv_undef) |
|
|
1274 | SV * callback |
|
|
1275 | PROTOTYPE: ;$ |
|
|
1276 | PPCODE: |
|
|
1277 | { |
|
|
1278 | dREQ; |
|
|
1279 | |
|
|
1280 | req->type = REQ_GROUP; |
|
|
1281 | req_send (req); |
|
|
1282 | |
|
|
1283 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1284 | } |
|
|
1285 | |
|
|
1286 | void |
|
|
1287 | aio_nop (callback=&PL_sv_undef) |
|
|
1288 | SV * callback |
|
|
1289 | PPCODE: |
|
|
1290 | { |
|
|
1291 | dREQ; |
|
|
1292 | |
|
|
1293 | req->type = REQ_NOP; |
|
|
1294 | |
|
|
1295 | REQ_SEND; |
|
|
1296 | } |
|
|
1297 | |
|
|
1298 | #if 0 |
|
|
1299 | |
|
|
1300 | void |
|
|
1301 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1302 | CODE: |
|
|
1303 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1304 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1305 | next_pri = pri + PRI_BIAS; |
|
|
1306 | |
|
|
1307 | #endif |
1036 | |
1308 | |
1037 | void |
1309 | void |
1038 | flush () |
1310 | flush () |
1039 | PROTOTYPE: |
1311 | PROTOTYPE: |
1040 | CODE: |
1312 | CODE: |
… | |
… | |
1083 | CODE: |
1355 | CODE: |
1084 | RETVAL = nreqs; |
1356 | RETVAL = nreqs; |
1085 | OUTPUT: |
1357 | OUTPUT: |
1086 | RETVAL |
1358 | RETVAL |
1087 | |
1359 | |
|
|
1360 | PROTOTYPES: DISABLE |
|
|
1361 | |
|
|
1362 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1363 | |
|
|
1364 | void |
|
|
1365 | cancel (aio_req_ornot req) |
|
|
1366 | PROTOTYPE: |
|
|
1367 | CODE: |
|
|
1368 | req_cancel (req); |
|
|
1369 | |
|
|
1370 | void |
|
|
1371 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1372 | CODE: |
|
|
1373 | SvREFCNT_dec (req->callback); |
|
|
1374 | req->callback = newSVsv (callback); |
|
|
1375 | |
|
|
1376 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1377 | |
|
|
1378 | void |
|
|
1379 | add (aio_req grp, ...) |
|
|
1380 | PPCODE: |
|
|
1381 | { |
|
|
1382 | int i; |
|
|
1383 | aio_req req; |
|
|
1384 | |
|
|
1385 | if (grp->fd == 2) |
|
|
1386 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1387 | |
|
|
1388 | for (i = 1; i < items; ++i ) |
|
|
1389 | { |
|
|
1390 | if (GIMME_V != G_VOID) |
|
|
1391 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1392 | |
|
|
1393 | req = SvAIO_REQ (ST (i)); |
|
|
1394 | |
|
|
1395 | if (req) |
|
|
1396 | { |
|
|
1397 | ++grp->length; |
|
|
1398 | req->grp = grp; |
|
|
1399 | |
|
|
1400 | req->grp_prev = 0; |
|
|
1401 | req->grp_next = grp->grp_first; |
|
|
1402 | |
|
|
1403 | if (grp->grp_first) |
|
|
1404 | grp->grp_first->grp_prev = req; |
|
|
1405 | |
|
|
1406 | grp->grp_first = req; |
|
|
1407 | } |
|
|
1408 | } |
|
|
1409 | } |
|
|
1410 | |
|
|
1411 | void |
|
|
1412 | result (aio_req grp, ...) |
|
|
1413 | CODE: |
|
|
1414 | { |
|
|
1415 | int i; |
|
|
1416 | AV *av = newAV (); |
|
|
1417 | |
|
|
1418 | for (i = 1; i < items; ++i ) |
|
|
1419 | av_push (av, newSVsv (ST (i))); |
|
|
1420 | |
|
|
1421 | SvREFCNT_dec (grp->data); |
|
|
1422 | grp->data = (SV *)av; |
|
|
1423 | } |
|
|
1424 | |
|
|
1425 | void |
|
|
1426 | feed_limit (aio_req grp, int limit) |
|
|
1427 | CODE: |
|
|
1428 | grp->fd2 = limit; |
|
|
1429 | aio_grp_feed (grp); |
|
|
1430 | |
|
|
1431 | void |
|
|
1432 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1433 | CODE: |
|
|
1434 | { |
|
|
1435 | SvREFCNT_dec (grp->fh2); |
|
|
1436 | grp->fh2 = newSVsv (callback); |
|
|
1437 | |
|
|
1438 | if (grp->fd2 <= 0) |
|
|
1439 | grp->fd2 = 2; |
|
|
1440 | |
|
|
1441 | aio_grp_feed (grp); |
|
|
1442 | } |
|
|
1443 | |