… | |
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9 | |
9 | |
10 | #include <pthread.h> |
10 | #include <pthread.h> |
11 | |
11 | |
12 | #include <stddef.h> |
12 | #include <stddef.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
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14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
14 | #include <sys/types.h> |
16 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
16 | #include <limits.h> |
18 | #include <limits.h> |
17 | #include <unistd.h> |
19 | #include <unistd.h> |
18 | #include <fcntl.h> |
20 | #include <fcntl.h> |
… | |
… | |
53 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
54 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
55 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
56 | REQ_READDIR, |
58 | REQ_READDIR, |
57 | REQ_LINK, REQ_SYMLINK, |
59 | REQ_LINK, REQ_SYMLINK, |
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60 | REQ_SLEEP, |
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61 | REQ_GROUP, |
58 | }; |
62 | }; |
59 | |
63 | |
60 | #define AIO_CB_KLASS "IO::AIO::CB" |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
61 | |
66 | |
62 | typedef struct aio_cb |
67 | typedef struct aio_cb |
63 | { |
68 | { |
64 | struct aio_cb *grp_prev, *grp_next; |
69 | struct aio_cb *grp, *grp_prev, *grp_next; |
65 | struct aio_grp *grp; |
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66 | |
70 | |
67 | struct aio_cb *volatile next; |
71 | struct aio_cb *volatile next; |
68 | |
72 | |
69 | SV *self; /* the perl counterpart of this request, if any */ |
73 | SV *self; /* the perl counterpart of this request, if any */ |
70 | |
74 | |
… | |
… | |
84 | unsigned char cancelled; |
88 | unsigned char cancelled; |
85 | } aio_cb; |
89 | } aio_cb; |
86 | |
90 | |
87 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
88 | typedef aio_cb *aio_req_ornot; |
92 | typedef aio_cb *aio_req_ornot; |
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93 | typedef aio_cb *aio_group; |
89 | |
94 | |
90 | static int started, wanted; |
95 | static int started, wanted; |
91 | static volatile int nreqs; |
96 | static volatile int nreqs; |
92 | static int max_outstanding = 1<<30; |
97 | static int max_outstanding = 1<<30; |
93 | static int respipe [2]; |
98 | static int respipe [2]; |
… | |
… | |
97 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
102 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
98 | |
103 | |
99 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
104 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
100 | static volatile aio_req ress, rese; /* queue start, queue end */ |
105 | static volatile aio_req ress, rese; /* queue start, queue end */ |
101 | |
106 | |
102 | typedef struct aio_grp |
107 | static void req_free (aio_req req); |
103 | { |
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104 | struct aio_cb *first, *last; |
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105 | SV *callback; |
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106 | int busycount; |
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107 | } aio_grp; |
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108 | |
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109 | static void aio_grp_begin (aio_grp *grp) |
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110 | { |
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111 | ++grp->busycount; |
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112 | } |
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113 | |
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114 | static void aio_grp_end (aio_grp *grp) |
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115 | { |
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116 | --grp->busycount; |
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117 | |
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118 | if (grp->busycount) |
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119 | return; |
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120 | |
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121 | SvREFCNT_dec (grp->callback); |
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122 | grp->callback = 0; |
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123 | } |
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124 | |
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125 | static aio_grp *aio_grp_new () |
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126 | { |
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127 | aio_grp *grp; |
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128 | |
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129 | Newz (0, grp, 1, aio_grp); |
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130 | aio_grp_begin (grp); |
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131 | |
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132 | return grp; |
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133 | } |
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134 | |
108 | |
135 | /* must be called at most once */ |
109 | /* must be called at most once */ |
136 | static SV *req_sv (aio_req req) |
110 | static SV *req_sv (aio_req req, const char *klass) |
137 | { |
111 | { |
138 | req->self = (SV *)newHV (); |
112 | req->self = (SV *)newHV (); |
139 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
113 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
140 | |
114 | |
141 | return sv_bless (newRV_noinc (req->self), gv_stashpv (AIO_CB_KLASS, 1)); |
115 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
142 | } |
116 | } |
143 | |
117 | |
144 | static aio_req SvAIO_REQ (SV *sv) |
118 | static aio_req SvAIO_REQ (SV *sv) |
145 | { |
119 | { |
146 | if (!sv_derived_from (sv, AIO_CB_KLASS) || !SvROK (sv)) |
120 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
147 | croak ("object of class " AIO_CB_KLASS " expected"); |
121 | croak ("object of class " AIO_REQ_KLASS " expected"); |
148 | |
122 | |
149 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
123 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
150 | |
124 | |
151 | return mg ? (aio_req)mg->mg_ptr : 0; |
125 | return mg ? (aio_req)mg->mg_ptr : 0; |
152 | } |
126 | } |
153 | |
127 | |
154 | static void req_free (aio_req req) |
128 | static void poll_wait () |
155 | { |
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156 | if (req->self) |
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157 | { |
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158 | sv_unmagic (req->self, PERL_MAGIC_ext); |
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159 | SvREFCNT_dec (req->self); |
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160 | } |
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161 | |
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162 | if (req->data) |
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163 | SvREFCNT_dec (req->data); |
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164 | |
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165 | if (req->fh) |
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166 | SvREFCNT_dec (req->fh); |
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167 | |
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168 | if (req->fh2) |
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169 | SvREFCNT_dec (req->fh2); |
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170 | |
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171 | if (req->statdata) |
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172 | Safefree (req->statdata); |
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173 | |
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174 | if (req->callback) |
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175 | SvREFCNT_dec (req->callback); |
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176 | |
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177 | if (req->type == REQ_READDIR && req->result >= 0) |
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178 | free (req->data2ptr); |
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179 | |
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180 | Safefree (req); |
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181 | } |
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182 | |
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183 | static void |
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184 | poll_wait () |
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185 | { |
129 | { |
186 | if (nreqs && !ress) |
130 | if (nreqs && !ress) |
187 | { |
131 | { |
188 | fd_set rfd; |
132 | fd_set rfd; |
189 | FD_ZERO(&rfd); |
133 | FD_ZERO(&rfd); |
… | |
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191 | |
135 | |
192 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
136 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
193 | } |
137 | } |
194 | } |
138 | } |
195 | |
139 | |
196 | static int |
140 | static void req_invoke (aio_req req) |
197 | poll_cb () |
141 | { |
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142 | dSP; |
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143 | int errorno = errno; |
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144 | |
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145 | if (req->cancelled || !SvOK (req->callback)) |
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146 | return; |
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147 | |
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148 | errno = req->errorno; |
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149 | |
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150 | ENTER; |
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151 | PUSHMARK (SP); |
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152 | |
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153 | switch (req->type) |
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154 | { |
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155 | case REQ_READDIR: |
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156 | { |
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157 | SV *rv = &PL_sv_undef; |
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158 | |
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159 | if (req->result >= 0) |
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160 | { |
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161 | char *buf = req->data2ptr; |
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162 | AV *av = newAV (); |
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163 | |
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164 | while (req->result) |
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165 | { |
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166 | SV *sv = newSVpv (buf, 0); |
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167 | |
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168 | av_push (av, sv); |
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169 | buf += SvCUR (sv) + 1; |
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170 | req->result--; |
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171 | } |
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172 | |
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173 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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174 | } |
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175 | |
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176 | XPUSHs (rv); |
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177 | } |
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178 | break; |
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179 | |
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180 | case REQ_OPEN: |
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181 | { |
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182 | /* convert fd to fh */ |
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183 | SV *fh; |
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184 | |
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185 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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186 | PUTBACK; |
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187 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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188 | SPAGAIN; |
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189 | |
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190 | fh = SvREFCNT_inc (POPs); |
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191 | |
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192 | PUSHMARK (SP); |
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193 | XPUSHs (sv_2mortal (fh)); |
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194 | } |
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195 | break; |
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196 | |
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197 | case REQ_SLEEP: |
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198 | case REQ_GROUP: |
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199 | break; |
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200 | |
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201 | default: |
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202 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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203 | break; |
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204 | } |
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205 | |
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206 | |
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207 | PUTBACK; |
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208 | call_sv (req->callback, G_VOID | G_EVAL); |
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209 | SPAGAIN; |
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210 | |
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211 | if (SvTRUE (ERRSV)) |
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212 | { |
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213 | req_free (req); |
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214 | croak (0); |
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215 | } |
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216 | |
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217 | LEAVE; |
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218 | |
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219 | errno = errorno; |
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220 | } |
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221 | |
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222 | static void req_free (aio_req req) |
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223 | { |
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224 | if (req->grp) |
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225 | { |
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226 | aio_req grp = req->grp; |
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227 | |
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228 | /* unlink request */ |
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229 | req->grp_next->grp_prev = req->grp_prev; |
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230 | req->grp_prev->grp_next = req->grp_next; |
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231 | |
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232 | if (grp->grp_next == grp) |
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233 | { |
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234 | req_invoke (grp); |
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235 | req_free (grp); |
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236 | } |
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237 | } |
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238 | |
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239 | if (req->self) |
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240 | { |
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241 | sv_unmagic (req->self, PERL_MAGIC_ext); |
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242 | SvREFCNT_dec (req->self); |
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243 | } |
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244 | |
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245 | if (req->data) |
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246 | SvREFCNT_dec (req->data); |
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247 | |
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248 | if (req->fh) |
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249 | SvREFCNT_dec (req->fh); |
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250 | |
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251 | if (req->fh2) |
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252 | SvREFCNT_dec (req->fh2); |
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253 | |
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254 | if (req->statdata) |
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255 | Safefree (req->statdata); |
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256 | |
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257 | if (req->callback) |
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258 | SvREFCNT_dec (req->callback); |
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259 | |
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260 | if (req->type == REQ_READDIR && req->result >= 0) |
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261 | free (req->data2ptr); |
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262 | |
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263 | Safefree (req); |
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264 | } |
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265 | |
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266 | static void req_cancel (aio_req req) |
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267 | { |
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268 | req->cancelled = 1; |
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269 | |
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270 | if (req->type == REQ_GROUP) |
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271 | { |
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272 | aio_req sub; |
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273 | |
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274 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
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275 | req_cancel (sub); |
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276 | } |
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277 | } |
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278 | |
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279 | static int poll_cb () |
198 | { |
280 | { |
199 | dSP; |
281 | dSP; |
200 | int count = 0; |
282 | int count = 0; |
201 | int do_croak = 0; |
283 | int do_croak = 0; |
202 | aio_req req; |
284 | aio_req req; |
… | |
… | |
228 | |
310 | |
229 | nreqs--; |
311 | nreqs--; |
230 | |
312 | |
231 | if (req->type == REQ_QUIT) |
313 | if (req->type == REQ_QUIT) |
232 | started--; |
314 | started--; |
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315 | else if (req->type == REQ_GROUP && req->grp_next != req) |
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316 | continue; |
233 | else |
317 | else |
234 | { |
318 | { |
235 | int errorno = errno; |
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236 | errno = req->errorno; |
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237 | |
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238 | if (req->type == REQ_READ) |
319 | if (req->type == REQ_READ) |
239 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
320 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
240 | |
321 | |
241 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
322 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
242 | SvREADONLY_off (req->data); |
323 | SvREADONLY_off (req->data); |
… | |
… | |
246 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
327 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
247 | PL_laststatval = req->result; |
328 | PL_laststatval = req->result; |
248 | PL_statcache = *(req->statdata); |
329 | PL_statcache = *(req->statdata); |
249 | } |
330 | } |
250 | |
331 | |
251 | ENTER; |
332 | req_invoke (req); |
252 | PUSHMARK (SP); |
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253 | |
333 | |
254 | if (req->type == REQ_READDIR) |
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255 | { |
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256 | SV *rv = &PL_sv_undef; |
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257 | |
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258 | if (req->result >= 0) |
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259 | { |
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260 | char *buf = req->data2ptr; |
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261 | AV *av = newAV (); |
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262 | |
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263 | while (req->result) |
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264 | { |
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265 | SV *sv = newSVpv (buf, 0); |
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266 | |
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267 | av_push (av, sv); |
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268 | buf += SvCUR (sv) + 1; |
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269 | req->result--; |
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270 | } |
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271 | |
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272 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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273 | } |
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274 | |
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275 | XPUSHs (rv); |
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276 | } |
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277 | else |
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278 | { |
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279 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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280 | |
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281 | if (req->type == REQ_OPEN) |
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282 | { |
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283 | /* convert fd to fh */ |
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284 | SV *fh; |
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285 | |
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286 | PUTBACK; |
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287 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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288 | SPAGAIN; |
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289 | |
|
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290 | fh = SvREFCNT_inc (POPs); |
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291 | |
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292 | PUSHMARK (SP); |
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293 | XPUSHs (sv_2mortal (fh)); |
|
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294 | } |
|
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295 | } |
|
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296 | |
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297 | if (SvOK (req->callback) && !req->cancelled) |
|
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298 | { |
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299 | PUTBACK; |
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300 | call_sv (req->callback, G_VOID | G_EVAL); |
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301 | SPAGAIN; |
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302 | |
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303 | if (SvTRUE (ERRSV)) |
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304 | { |
|
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305 | req_free (req); |
|
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306 | croak (0); |
|
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307 | } |
|
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308 | } |
|
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309 | |
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310 | LEAVE; |
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311 | |
|
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312 | errno = errorno; |
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313 | count++; |
334 | count++; |
314 | } |
335 | } |
315 | |
336 | |
316 | req_free (req); |
337 | req_free (req); |
317 | } |
338 | } |
… | |
… | |
319 | return count; |
340 | return count; |
320 | } |
341 | } |
321 | |
342 | |
322 | static void *aio_proc(void *arg); |
343 | static void *aio_proc(void *arg); |
323 | |
344 | |
324 | static void |
|
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325 | start_thread (void) |
345 | static void start_thread (void) |
326 | { |
346 | { |
327 | sigset_t fullsigset, oldsigset; |
347 | sigset_t fullsigset, oldsigset; |
328 | pthread_t tid; |
348 | pthread_t tid; |
329 | pthread_attr_t attr; |
349 | pthread_attr_t attr; |
330 | |
350 | |
… | |
… | |
339 | started++; |
359 | started++; |
340 | |
360 | |
341 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
361 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
342 | } |
362 | } |
343 | |
363 | |
344 | static void |
|
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345 | req_send (aio_req req) |
364 | static void req_send (aio_req req) |
346 | { |
365 | { |
347 | while (started < wanted && nreqs >= started) |
366 | while (started < wanted && nreqs >= started) |
348 | start_thread (); |
367 | start_thread (); |
349 | |
368 | |
350 | nreqs++; |
369 | nreqs++; |
… | |
… | |
374 | |
393 | |
375 | poll_wait (); |
394 | poll_wait (); |
376 | } |
395 | } |
377 | } |
396 | } |
378 | |
397 | |
379 | static void |
398 | static void end_thread (void) |
380 | end_thread (void) |
|
|
381 | { |
399 | { |
382 | aio_req req; |
400 | aio_req req; |
383 | Newz (0, req, 1, aio_cb); |
401 | Newz (0, req, 1, aio_cb); |
384 | req->type = REQ_QUIT; |
402 | req->type = REQ_QUIT; |
385 | |
403 | |
… | |
… | |
436 | * normal read/write by using a mutex. slows down execution a lot, |
454 | * normal read/write by using a mutex. slows down execution a lot, |
437 | * but that's your problem, not mine. |
455 | * but that's your problem, not mine. |
438 | */ |
456 | */ |
439 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
457 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
440 | |
458 | |
441 | static ssize_t |
459 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
442 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
443 | { |
460 | { |
444 | ssize_t res; |
461 | ssize_t res; |
445 | off_t ooffset; |
462 | off_t ooffset; |
446 | |
463 | |
447 | pthread_mutex_lock (&preadwritelock); |
464 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
452 | pthread_mutex_unlock (&preadwritelock); |
469 | pthread_mutex_unlock (&preadwritelock); |
453 | |
470 | |
454 | return res; |
471 | return res; |
455 | } |
472 | } |
456 | |
473 | |
457 | static ssize_t |
|
|
458 | pwrite (int fd, void *buf, size_t count, off_t offset) |
474 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
459 | { |
475 | { |
460 | ssize_t res; |
476 | ssize_t res; |
461 | off_t ooffset; |
477 | off_t ooffset; |
462 | |
478 | |
463 | pthread_mutex_lock (&preadwritelock); |
479 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
476 | #endif |
492 | #endif |
477 | |
493 | |
478 | #if !HAVE_READAHEAD |
494 | #if !HAVE_READAHEAD |
479 | # define readahead aio_readahead |
495 | # define readahead aio_readahead |
480 | |
496 | |
481 | static ssize_t |
|
|
482 | readahead (int fd, off_t offset, size_t count) |
497 | static ssize_t readahead (int fd, off_t offset, size_t count) |
483 | { |
498 | { |
484 | char readahead_buf[4096]; |
499 | char readahead_buf[4096]; |
485 | |
500 | |
486 | while (count > 0) |
501 | while (count > 0) |
487 | { |
502 | { |
… | |
… | |
499 | #if !HAVE_READDIR_R |
514 | #if !HAVE_READDIR_R |
500 | # define readdir_r aio_readdir_r |
515 | # define readdir_r aio_readdir_r |
501 | |
516 | |
502 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
517 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
503 | |
518 | |
504 | static int |
|
|
505 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
519 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
506 | { |
520 | { |
507 | struct dirent *e; |
521 | struct dirent *e; |
508 | int errorno; |
522 | int errorno; |
509 | |
523 | |
510 | pthread_mutex_lock (&readdirlock); |
524 | pthread_mutex_lock (&readdirlock); |
… | |
… | |
526 | return e ? 0 : -1; |
540 | return e ? 0 : -1; |
527 | } |
541 | } |
528 | #endif |
542 | #endif |
529 | |
543 | |
530 | /* sendfile always needs emulation */ |
544 | /* sendfile always needs emulation */ |
531 | static ssize_t |
|
|
532 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
545 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
533 | { |
546 | { |
534 | ssize_t res; |
547 | ssize_t res; |
535 | |
548 | |
536 | if (!count) |
549 | if (!count) |
537 | return 0; |
550 | return 0; |
… | |
… | |
619 | |
632 | |
620 | return res; |
633 | return res; |
621 | } |
634 | } |
622 | |
635 | |
623 | /* read a full directory */ |
636 | /* read a full directory */ |
624 | static int |
|
|
625 | scandir_ (const char *path, void **namesp) |
637 | static int scandir_ (const char *path, void **namesp) |
626 | { |
638 | { |
627 | DIR *dirp = opendir (path); |
639 | DIR *dirp = opendir (path); |
628 | union |
640 | union |
629 | { |
641 | { |
630 | struct dirent d; |
642 | struct dirent d; |
… | |
… | |
684 | return res; |
696 | return res; |
685 | } |
697 | } |
686 | |
698 | |
687 | /*****************************************************************************/ |
699 | /*****************************************************************************/ |
688 | |
700 | |
689 | static void * |
|
|
690 | aio_proc (void *thr_arg) |
701 | static void *aio_proc (void *thr_arg) |
691 | { |
702 | { |
692 | aio_req req; |
703 | aio_req req; |
693 | int type; |
704 | int type; |
694 | |
705 | |
695 | do |
706 | do |
… | |
… | |
738 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
749 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
739 | |
750 | |
740 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
751 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
741 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
752 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
742 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
753 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
754 | |
|
|
755 | case REQ_SLEEP: |
|
|
756 | { |
|
|
757 | struct timeval tv; |
|
|
758 | |
|
|
759 | tv.tv_sec = req->fd; |
|
|
760 | tv.tv_usec = req->fd2; |
|
|
761 | |
|
|
762 | req->result = select (0, 0, 0, 0, &tv); |
|
|
763 | } |
743 | |
764 | |
744 | case REQ_QUIT: |
765 | case REQ_QUIT: |
745 | break; |
766 | break; |
746 | |
767 | |
747 | default: |
768 | default: |
… | |
… | |
846 | |
867 | |
847 | #define REQ_SEND \ |
868 | #define REQ_SEND \ |
848 | req_send (req); \ |
869 | req_send (req); \ |
849 | \ |
870 | \ |
850 | if (GIMME_V != G_VOID) \ |
871 | if (GIMME_V != G_VOID) \ |
851 | XPUSHs (req_sv (req)); |
872 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
852 | |
873 | |
853 | MODULE = IO::AIO PACKAGE = IO::AIO |
874 | MODULE = IO::AIO PACKAGE = IO::AIO |
854 | |
875 | |
855 | PROTOTYPES: ENABLE |
876 | PROTOTYPES: ENABLE |
856 | |
877 | |
… | |
… | |
1103 | req->dataptr = SvPVbyte_nolen (req->data); |
1124 | req->dataptr = SvPVbyte_nolen (req->data); |
1104 | |
1125 | |
1105 | REQ_SEND; |
1126 | REQ_SEND; |
1106 | } |
1127 | } |
1107 | |
1128 | |
1108 | #if 0 |
|
|
1109 | |
|
|
1110 | # undocumented, because it does not cancel active requests |
|
|
1111 | void |
1129 | void |
1112 | cancel_most_requests () |
1130 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1131 | double delay |
|
|
1132 | SV * callback |
|
|
1133 | PPCODE: |
|
|
1134 | { |
|
|
1135 | dREQ; |
|
|
1136 | |
|
|
1137 | req->type = REQ_SLEEP; |
|
|
1138 | req->fd = delay < 0. ? 0 : delay; |
|
|
1139 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1140 | |
|
|
1141 | REQ_SEND; |
|
|
1142 | } |
|
|
1143 | |
|
|
1144 | void |
|
|
1145 | aio_group (callback=&PL_sv_undef) |
|
|
1146 | SV * callback |
1113 | PROTOTYPE: |
1147 | PROTOTYPE: ;& |
1114 | CODE: |
1148 | PPCODE: |
1115 | { |
1149 | { |
1116 | aio_req *req; |
1150 | dREQ; |
|
|
1151 | req->type = REQ_GROUP; |
|
|
1152 | req->grp_next = req; |
|
|
1153 | req->grp_prev = req; |
1117 | |
1154 | |
1118 | pthread_mutex_lock (&reqlock); |
1155 | req_send (req); |
1119 | for (req = reqs; req; req = req->next) |
1156 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1120 | req->flags |= 1; |
|
|
1121 | pthread_mutex_unlock (&reqlock); |
|
|
1122 | |
|
|
1123 | pthread_mutex_lock (&reslock); |
|
|
1124 | for (req = ress; req; req = req->next) |
|
|
1125 | req->flags |= 1; |
|
|
1126 | pthread_mutex_unlock (&reslock); |
|
|
1127 | } |
1157 | } |
1128 | |
|
|
1129 | #endif |
|
|
1130 | |
1158 | |
1131 | void |
1159 | void |
1132 | flush () |
1160 | flush () |
1133 | PROTOTYPE: |
1161 | PROTOTYPE: |
1134 | CODE: |
1162 | CODE: |
… | |
… | |
1177 | CODE: |
1205 | CODE: |
1178 | RETVAL = nreqs; |
1206 | RETVAL = nreqs; |
1179 | OUTPUT: |
1207 | OUTPUT: |
1180 | RETVAL |
1208 | RETVAL |
1181 | |
1209 | |
1182 | MODULE = IO::AIO PACKAGE = IO::AIO::CB |
1210 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1183 | |
1211 | |
1184 | void |
1212 | void |
1185 | cancel (aio_req_ornot req) |
1213 | cancel (aio_req_ornot req) |
1186 | PROTOTYPE: |
1214 | PROTOTYPE: |
1187 | CODE: |
1215 | CODE: |
1188 | req->cancelled = 1; |
1216 | req_cancel (req); |
1189 | |
1217 | |
|
|
1218 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1219 | |
|
|
1220 | void |
|
|
1221 | add (aio_req grp, ...) |
|
|
1222 | PROTOTYPE: $;@ |
|
|
1223 | PPCODE: |
|
|
1224 | { |
|
|
1225 | int i; |
|
|
1226 | |
|
|
1227 | for (i = 1; i < items; ++i ) |
|
|
1228 | { |
|
|
1229 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1230 | |
|
|
1231 | req->grp_prev = grp; |
|
|
1232 | req->grp_next = grp->grp_next; |
|
|
1233 | grp->grp_next->grp_prev = req; |
|
|
1234 | grp->grp_next = req; |
|
|
1235 | |
|
|
1236 | req->grp = grp; |
|
|
1237 | |
|
|
1238 | if (GIMME_V != G_VOID) |
|
|
1239 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1240 | } |
|
|
1241 | } |
|
|
1242 | |