1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
… | |
… | |
13 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
14 | #include <limits.h> |
14 | #include <limits.h> |
15 | #include <fcntl.h> |
15 | #include <fcntl.h> |
16 | #include <sched.h> |
16 | #include <sched.h> |
17 | |
17 | |
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18 | /* perl namespace pollution */ |
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19 | #undef VERSION |
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20 | |
18 | #ifdef _WIN32 |
21 | #ifdef _WIN32 |
19 | |
22 | |
20 | # define SIGIO 0 |
23 | # define EIO_STRUCT_DIRENT Direntry_t |
21 | typedef Direntry_t X_DIRENT; |
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22 | #undef malloc |
24 | # undef malloc |
23 | #undef free |
25 | # undef free |
24 | |
26 | |
25 | // perl overrides all those nice win32 functions |
27 | // perl overrides all those nice win32 functions |
26 | # undef open |
28 | # undef open |
27 | # undef read |
29 | # undef read |
28 | # undef write |
30 | # undef write |
… | |
… | |
54 | # define closedir(fd) (errno = ENOSYS, -1) |
56 | # define closedir(fd) (errno = ENOSYS, -1) |
55 | # define mkdir(a,b) mkdir (a) |
57 | # define mkdir(a,b) mkdir (a) |
56 | |
58 | |
57 | #else |
59 | #else |
58 | |
60 | |
59 | # include "autoconf/config.h" |
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60 | # include <sys/time.h> |
61 | # include <sys/time.h> |
61 | # include <sys/select.h> |
62 | # include <sys/select.h> |
62 | # include <unistd.h> |
63 | # include <unistd.h> |
63 | # include <utime.h> |
64 | # include <utime.h> |
64 | # include <signal.h> |
65 | # include <signal.h> |
65 | typedef struct dirent X_DIRENT; |
66 | # define EIO_STRUCT_DIRENT struct dirent |
66 | |
67 | |
67 | #endif |
68 | #endif |
68 | |
69 | |
69 | #if HAVE_SENDFILE |
70 | #define EIO_STRUCT_STAT Stat_t |
70 | # if __linux |
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71 | # include <sys/sendfile.h> |
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72 | # elif __freebsd |
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73 | # include <sys/socket.h> |
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74 | # include <sys/uio.h> |
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75 | # elif __hpux |
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76 | # include <sys/socket.h> |
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77 | # elif __solaris /* not yet */ |
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78 | # include <sys/sendfile.h> |
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79 | # else |
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80 | # error sendfile support requested but not available |
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81 | # endif |
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82 | #endif |
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83 | |
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84 | /* number of seconds after which idle threads exit */ |
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85 | #define IDLE_TIMEOUT 10 |
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86 | |
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87 | /* used for struct dirent, AIX doesn't provide it */ |
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88 | #ifndef NAME_MAX |
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89 | # define NAME_MAX 4096 |
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90 | #endif |
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91 | |
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92 | /* buffer size for various temporary buffers */ |
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93 | #define AIO_BUFSIZE 65536 |
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94 | |
71 | |
95 | /* use NV for 32 bit perls as it allows larger offsets */ |
72 | /* use NV for 32 bit perls as it allows larger offsets */ |
96 | #if IVSIZE >= 8 |
73 | #if IVSIZE >= 8 |
97 | # define SvVAL64 SvIV |
74 | # define SvVAL64 SvIV |
98 | #else |
75 | #else |
99 | # define SvVAL64 SvNV |
76 | # define SvVAL64 SvNV |
100 | #endif |
77 | #endif |
101 | |
78 | |
102 | static HV *stash; |
79 | static HV *stash; |
103 | |
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104 | #define dBUF \ |
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105 | char *aio_buf; \ |
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106 | X_LOCK (wrklock); \ |
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107 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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108 | X_UNLOCK (wrklock); \ |
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109 | if (!aio_buf) \ |
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110 | return -1; |
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111 | |
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112 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
80 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
113 | |
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114 | enum { |
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115 | REQ_QUIT, |
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116 | REQ_OPEN, REQ_CLOSE, |
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117 | REQ_READ, REQ_WRITE, |
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118 | REQ_READAHEAD, REQ_SENDFILE, |
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119 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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120 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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121 | REQ_UTIME, REQ_FUTIME, |
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122 | REQ_CHMOD, REQ_FCHMOD, |
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123 | REQ_CHOWN, REQ_FCHOWN, |
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124 | REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC, |
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125 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
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126 | REQ_MKNOD, REQ_READDIR, |
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127 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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128 | REQ_GROUP, REQ_NOP, |
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129 | REQ_BUSY, |
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130 | }; |
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131 | |
81 | |
132 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
133 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
134 | |
84 | |
135 | typedef struct aio_cb |
85 | #define EIO_REQ_MEMBERS \ |
136 | { |
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137 | struct aio_cb *volatile next; |
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138 | |
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139 | SV *callback; |
86 | SV *callback; \ |
140 | SV *sv1, *sv2; |
87 | SV *sv1, *sv2; \ |
141 | void *ptr1, *ptr2; |
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142 | off_t offs; |
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143 | size_t size; |
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144 | ssize_t result; |
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145 | double nv1, nv2; |
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146 | |
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147 | STRLEN stroffset; |
88 | STRLEN stroffset; \ |
148 | int type; |
89 | SV *self; |
149 | int int1, int2, int3; |
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150 | int errorno; |
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151 | mode_t mode; /* open */ |
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152 | |
90 | |
153 | unsigned char flags; |
91 | #include "libeio/eio.h" |
154 | unsigned char pri; |
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155 | |
92 | |
156 | SV *self; /* the perl counterpart of this request, if any */ |
93 | static int req_invoke (eio_req *req); |
157 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
94 | #define EIO_FINISH(req) req_invoke (req) |
158 | } aio_cb; |
95 | static void aio_grp_feed (eio_req *grp); |
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96 | #define EIO_FEED(req) aio_grp_feed (req) |
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97 | static void req_destroy (eio_req *grp); |
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98 | #define EIO_DESTROY(req) req_destroy (req) |
159 | |
99 | |
160 | enum { |
100 | enum { |
161 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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162 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
101 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
163 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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164 | }; |
102 | }; |
165 | |
103 | |
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104 | #include "libeio/eio.c" |
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105 | |
166 | typedef aio_cb *aio_req; |
106 | typedef eio_req *aio_req; |
167 | typedef aio_cb *aio_req_ornot; |
107 | typedef eio_req *aio_req_ornot; |
168 | |
108 | |
169 | enum { |
109 | static SV *on_next_submit; |
170 | PRI_MIN = -4, |
110 | static int next_pri = EIO_PRI_DEFAULT; |
171 | PRI_MAX = 4, |
111 | static int max_outstanding; |
172 | |
112 | |
173 | DEFAULT_PRI = 0, |
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174 | PRI_BIAS = -PRI_MIN, |
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175 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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176 | }; |
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177 | |
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178 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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179 | |
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180 | static unsigned int max_poll_time = 0; |
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181 | static unsigned int max_poll_reqs = 0; |
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182 | |
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183 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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184 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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185 | { |
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186 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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187 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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188 | } |
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189 | |
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190 | static thread_t main_tid; |
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191 | static int main_sig; |
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192 | static int block_sig_level; |
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193 | |
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194 | void block_sig (void) |
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195 | { |
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196 | sigset_t ss; |
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197 | |
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198 | if (block_sig_level++) |
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199 | return; |
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200 | |
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201 | if (!main_sig) |
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202 | return; |
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203 | |
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204 | sigemptyset (&ss); |
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205 | sigaddset (&ss, main_sig); |
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206 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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207 | } |
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208 | |
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209 | void unblock_sig (void) |
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210 | { |
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211 | sigset_t ss; |
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212 | |
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213 | if (--block_sig_level) |
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214 | return; |
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215 | |
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216 | if (!main_sig) |
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217 | return; |
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218 | |
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219 | sigemptyset (&ss); |
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220 | sigaddset (&ss, main_sig); |
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221 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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222 | } |
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223 | |
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224 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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225 | |
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226 | static unsigned int started, idle, wanted; |
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227 | |
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228 | /* worker threads management */ |
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229 | static mutex_t wrklock = X_MUTEX_INIT; |
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230 | |
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231 | typedef struct worker { |
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232 | /* locked by wrklock */ |
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233 | struct worker *prev, *next; |
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234 | |
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235 | thread_t tid; |
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236 | |
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237 | /* locked by reslock, reqlock or wrklock */ |
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238 | aio_req req; /* currently processed request */ |
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239 | void *dbuf; |
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240 | DIR *dirp; |
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241 | } worker; |
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242 | |
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243 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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244 | |
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245 | static void worker_clear (worker *wrk) |
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246 | { |
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247 | if (wrk->dirp) |
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248 | { |
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249 | closedir (wrk->dirp); |
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250 | wrk->dirp = 0; |
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251 | } |
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252 | |
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253 | if (wrk->dbuf) |
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254 | { |
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255 | free (wrk->dbuf); |
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256 | wrk->dbuf = 0; |
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257 | } |
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258 | } |
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259 | |
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260 | static void worker_free (worker *wrk) |
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261 | { |
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262 | wrk->next->prev = wrk->prev; |
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263 | wrk->prev->next = wrk->next; |
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264 | |
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265 | free (wrk); |
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266 | } |
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267 | |
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268 | static volatile unsigned int nreqs, nready, npending; |
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269 | static volatile unsigned int max_idle = 4; |
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270 | static volatile unsigned int max_outstanding = 0xffffffff; |
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271 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
113 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
272 | |
114 | |
273 | static mutex_t reslock = X_MUTEX_INIT; |
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274 | static mutex_t reqlock = X_MUTEX_INIT; |
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275 | static cond_t reqwait = X_COND_INIT; |
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276 | |
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277 | #if WORDACCESS_UNSAFE |
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278 | |
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279 | static unsigned int get_nready (void) |
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280 | { |
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281 | unsigned int retval; |
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282 | |
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283 | X_LOCK (reqlock); |
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284 | retval = nready; |
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285 | X_UNLOCK (reqlock); |
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286 | |
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287 | return retval; |
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288 | } |
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289 | |
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290 | static unsigned int get_npending (void) |
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291 | { |
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292 | unsigned int retval; |
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293 | |
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294 | X_LOCK (reslock); |
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295 | retval = npending; |
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296 | X_UNLOCK (reslock); |
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297 | |
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298 | return retval; |
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299 | } |
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300 | |
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301 | static unsigned int get_nthreads (void) |
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302 | { |
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303 | unsigned int retval; |
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304 | |
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305 | X_LOCK (wrklock); |
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306 | retval = started; |
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307 | X_UNLOCK (wrklock); |
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308 | |
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309 | return retval; |
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310 | } |
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311 | |
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312 | #else |
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313 | |
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314 | # define get_nready() nready |
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315 | # define get_npending() npending |
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316 | # define get_nthreads() started |
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317 | |
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318 | #endif |
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319 | |
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320 | /* |
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321 | * a somewhat faster data structure might be nice, but |
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322 | * with 8 priorities this actually needs <20 insns |
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323 | * per shift, the most expensive operation. |
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324 | */ |
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325 | typedef struct { |
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326 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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327 | int size; |
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328 | } reqq; |
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329 | |
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330 | static reqq req_queue; |
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331 | static reqq res_queue; |
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332 | |
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333 | int reqq_push (reqq *q, aio_req req) |
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334 | { |
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335 | int pri = req->pri; |
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336 | req->next = 0; |
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337 | |
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338 | if (q->qe[pri]) |
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339 | { |
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340 | q->qe[pri]->next = req; |
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341 | q->qe[pri] = req; |
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342 | } |
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343 | else |
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344 | q->qe[pri] = q->qs[pri] = req; |
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345 | |
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346 | return q->size++; |
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347 | } |
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348 | |
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349 | aio_req reqq_shift (reqq *q) |
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350 | { |
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351 | int pri; |
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352 | |
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353 | if (!q->size) |
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354 | return 0; |
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355 | |
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356 | --q->size; |
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357 | |
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358 | for (pri = NUM_PRI; pri--; ) |
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359 | { |
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360 | aio_req req = q->qs[pri]; |
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361 | |
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362 | if (req) |
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363 | { |
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364 | if (!(q->qs[pri] = req->next)) |
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365 | q->qe[pri] = 0; |
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366 | |
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367 | return req; |
|
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368 | } |
|
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369 | } |
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370 | |
|
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371 | abort (); |
|
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372 | } |
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373 | |
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374 | static int poll_cb (void); |
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375 | static int req_invoke (aio_req req); |
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376 | static void req_destroy (aio_req req); |
115 | static void req_destroy (aio_req req); |
377 | static void req_cancel (aio_req req); |
116 | static void req_cancel (aio_req req); |
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117 | |
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118 | static void want_poll (void) |
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119 | { |
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120 | /* write a dummy byte to the pipe so fh becomes ready */ |
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121 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
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122 | } |
|
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123 | |
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124 | static void done_poll (void) |
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125 | { |
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126 | /* read any signals sent by the worker threads */ |
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127 | char buf [4]; |
|
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128 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
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129 | ; |
|
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130 | } |
378 | |
131 | |
379 | /* must be called at most once */ |
132 | /* must be called at most once */ |
380 | static SV *req_sv (aio_req req, const char *klass) |
133 | static SV *req_sv (aio_req req, const char *klass) |
381 | { |
134 | { |
382 | if (!req->self) |
135 | if (!req->self) |
… | |
… | |
400 | return mg ? (aio_req)mg->mg_ptr : 0; |
153 | return mg ? (aio_req)mg->mg_ptr : 0; |
401 | } |
154 | } |
402 | |
155 | |
403 | static void aio_grp_feed (aio_req grp) |
156 | static void aio_grp_feed (aio_req grp) |
404 | { |
157 | { |
405 | block_sig (); |
158 | if (grp->sv2 && SvOK (grp->sv2)) |
406 | |
|
|
407 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
408 | { |
159 | { |
409 | int old_len = grp->size; |
|
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410 | |
|
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411 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
412 | { |
|
|
413 | dSP; |
160 | dSP; |
414 | |
161 | |
415 | ENTER; |
162 | ENTER; |
416 | SAVETMPS; |
163 | SAVETMPS; |
417 | PUSHMARK (SP); |
164 | PUSHMARK (SP); |
418 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
165 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
419 | PUTBACK; |
166 | PUTBACK; |
420 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
167 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
421 | SPAGAIN; |
168 | SPAGAIN; |
422 | FREETMPS; |
169 | FREETMPS; |
423 | LEAVE; |
170 | LEAVE; |
424 | } |
|
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425 | |
|
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426 | /* stop if no progress has been made */ |
|
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427 | if (old_len == grp->size) |
|
|
428 | { |
|
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429 | SvREFCNT_dec (grp->sv2); |
|
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430 | grp->sv2 = 0; |
|
|
431 | break; |
|
|
432 | } |
|
|
433 | } |
171 | } |
434 | |
|
|
435 | unblock_sig (); |
|
|
436 | } |
172 | } |
437 | |
173 | |
438 | static void aio_grp_dec (aio_req grp) |
174 | static void req_submit (eio_req *req) |
439 | { |
175 | { |
440 | --grp->size; |
176 | eio_submit (req); |
441 | |
177 | |
442 | /* call feeder, if applicable */ |
178 | if (on_next_submit) |
443 | aio_grp_feed (grp); |
|
|
444 | |
|
|
445 | /* finish, if done */ |
|
|
446 | if (!grp->size && grp->int1) |
|
|
447 | { |
179 | { |
448 | block_sig (); |
180 | dSP; |
|
|
181 | SV *cb = sv_2mortal (on_next_submit); |
449 | |
182 | |
450 | if (!req_invoke (grp)) |
183 | on_next_submit = 0; |
451 | { |
|
|
452 | req_destroy (grp); |
|
|
453 | unblock_sig (); |
|
|
454 | croak (0); |
|
|
455 | } |
|
|
456 | |
184 | |
457 | req_destroy (grp); |
185 | PUSHMARK (SP); |
458 | unblock_sig (); |
186 | PUTBACK; |
|
|
187 | call_sv (cb, G_DISCARD | G_EVAL); |
459 | } |
188 | } |
460 | } |
189 | } |
461 | |
190 | |
462 | static int req_invoke (aio_req req) |
191 | static int req_invoke (eio_req *req) |
463 | { |
192 | { |
464 | dSP; |
193 | dSP; |
465 | |
194 | |
466 | if (req->flags & FLAG_SV2_RO_OFF) |
195 | if (req->flags & FLAG_SV2_RO_OFF) |
467 | SvREADONLY_off (req->sv2); |
196 | SvREADONLY_off (req->sv2); |
468 | |
197 | |
469 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
198 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
470 | { |
199 | { |
471 | ENTER; |
200 | ENTER; |
472 | SAVETMPS; |
201 | SAVETMPS; |
473 | PUSHMARK (SP); |
202 | PUSHMARK (SP); |
474 | EXTEND (SP, 1); |
203 | EXTEND (SP, 1); |
475 | |
204 | |
476 | switch (req->type) |
205 | switch (req->type) |
477 | { |
206 | { |
478 | case REQ_READDIR: |
207 | case EIO_READDIR: |
479 | { |
208 | { |
480 | SV *rv = &PL_sv_undef; |
209 | SV *rv = &PL_sv_undef; |
481 | |
210 | |
482 | if (req->result >= 0) |
211 | if (req->result >= 0) |
483 | { |
212 | { |
… | |
… | |
500 | |
229 | |
501 | PUSHs (rv); |
230 | PUSHs (rv); |
502 | } |
231 | } |
503 | break; |
232 | break; |
504 | |
233 | |
505 | case REQ_OPEN: |
234 | case EIO_OPEN: |
506 | { |
235 | { |
507 | /* convert fd to fh */ |
236 | /* convert fd to fh */ |
508 | SV *fh = &PL_sv_undef; |
237 | SV *fh = &PL_sv_undef; |
509 | |
238 | |
510 | if (req->result >= 0) |
239 | if (req->result >= 0) |
… | |
… | |
531 | |
260 | |
532 | PUSHs (fh); |
261 | PUSHs (fh); |
533 | } |
262 | } |
534 | break; |
263 | break; |
535 | |
264 | |
536 | case REQ_GROUP: |
265 | case EIO_GROUP: |
537 | req->int1 = 2; /* mark group as finished */ |
266 | req->int1 = 2; /* mark group as finished */ |
538 | |
267 | |
539 | if (req->sv1) |
268 | if (req->sv1) |
540 | { |
269 | { |
541 | int i; |
270 | int i; |
… | |
… | |
545 | for (i = 0; i <= AvFILL (av); ++i) |
274 | for (i = 0; i <= AvFILL (av); ++i) |
546 | PUSHs (*av_fetch (av, i, 0)); |
275 | PUSHs (*av_fetch (av, i, 0)); |
547 | } |
276 | } |
548 | break; |
277 | break; |
549 | |
278 | |
550 | case REQ_NOP: |
279 | case EIO_NOP: |
551 | case REQ_BUSY: |
280 | case EIO_BUSY: |
552 | break; |
281 | break; |
553 | |
282 | |
554 | case REQ_READLINK: |
283 | case EIO_READLINK: |
555 | if (req->result > 0) |
284 | if (req->result > 0) |
556 | { |
285 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
557 | SvCUR_set (req->sv2, req->result); |
|
|
558 | *SvEND (req->sv2) = 0; |
|
|
559 | PUSHs (req->sv2); |
|
|
560 | } |
|
|
561 | break; |
286 | break; |
562 | |
287 | |
563 | case REQ_STAT: |
288 | case EIO_STAT: |
564 | case REQ_LSTAT: |
289 | case EIO_LSTAT: |
565 | case REQ_FSTAT: |
290 | case EIO_FSTAT: |
566 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
291 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
567 | PL_laststatval = req->result; |
292 | PL_laststatval = req->result; |
568 | PL_statcache = *(Stat_t *)(req->ptr2); |
293 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
569 | PUSHs (sv_2mortal (newSViv (req->result))); |
294 | PUSHs (sv_2mortal (newSViv (req->result))); |
570 | break; |
295 | break; |
571 | |
296 | |
572 | case REQ_READ: |
297 | case EIO_READ: |
573 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
298 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
574 | *SvEND (req->sv2) = 0; |
299 | *SvEND (req->sv2) = 0; |
575 | PUSHs (sv_2mortal (newSViv (req->result))); |
300 | PUSHs (sv_2mortal (newSViv (req->result))); |
576 | break; |
301 | break; |
577 | |
302 | |
|
|
303 | case EIO_DUP2: |
|
|
304 | if (req->result > 0) |
|
|
305 | req->result = 0; |
|
|
306 | /* FALLTHROUGH */ |
|
|
307 | |
578 | default: |
308 | default: |
579 | PUSHs (sv_2mortal (newSViv (req->result))); |
309 | PUSHs (sv_2mortal (newSViv (req->result))); |
580 | break; |
310 | break; |
581 | } |
311 | } |
582 | |
312 | |
… | |
… | |
590 | LEAVE; |
320 | LEAVE; |
591 | |
321 | |
592 | PUTBACK; |
322 | PUTBACK; |
593 | } |
323 | } |
594 | |
324 | |
595 | if (req->grp) |
|
|
596 | { |
|
|
597 | aio_req grp = req->grp; |
|
|
598 | |
|
|
599 | /* unlink request */ |
|
|
600 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
601 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
602 | |
|
|
603 | if (grp->grp_first == req) |
|
|
604 | grp->grp_first = req->grp_next; |
|
|
605 | |
|
|
606 | aio_grp_dec (grp); |
|
|
607 | } |
|
|
608 | |
|
|
609 | return !SvTRUE (ERRSV); |
325 | return !!SvTRUE (ERRSV); |
610 | } |
326 | } |
611 | |
327 | |
612 | static void req_destroy (aio_req req) |
328 | static void req_destroy (aio_req req) |
613 | { |
329 | { |
614 | if (req->self) |
330 | if (req->self) |
… | |
… | |
619 | |
335 | |
620 | SvREFCNT_dec (req->sv1); |
336 | SvREFCNT_dec (req->sv1); |
621 | SvREFCNT_dec (req->sv2); |
337 | SvREFCNT_dec (req->sv2); |
622 | SvREFCNT_dec (req->callback); |
338 | SvREFCNT_dec (req->callback); |
623 | |
339 | |
624 | if (req->flags & FLAG_PTR2_FREE) |
|
|
625 | free (req->ptr2); |
|
|
626 | |
|
|
627 | Safefree (req); |
340 | Safefree (req); |
628 | } |
341 | } |
629 | |
342 | |
630 | static void req_cancel_subs (aio_req grp) |
343 | static void req_cancel_subs (aio_req grp) |
631 | { |
344 | { |
632 | aio_req sub; |
345 | aio_req sub; |
633 | |
346 | |
634 | if (grp->type != REQ_GROUP) |
347 | if (grp->type != EIO_GROUP) |
635 | return; |
348 | return; |
636 | |
349 | |
637 | SvREFCNT_dec (grp->sv2); |
350 | SvREFCNT_dec (grp->sv2); |
638 | grp->sv2 = 0; |
351 | grp->sv2 = 0; |
639 | |
352 | |
640 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
353 | eio_grp_cancel (grp); |
641 | req_cancel (sub); |
|
|
642 | } |
|
|
643 | |
|
|
644 | static void req_cancel (aio_req req) |
|
|
645 | { |
|
|
646 | req->flags |= FLAG_CANCELLED; |
|
|
647 | |
|
|
648 | req_cancel_subs (req); |
|
|
649 | } |
354 | } |
650 | |
355 | |
651 | #ifdef USE_SOCKETS_AS_HANDLES |
356 | #ifdef USE_SOCKETS_AS_HANDLES |
652 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
357 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
653 | #else |
358 | #else |
… | |
… | |
690 | |
395 | |
691 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
396 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
692 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
397 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
693 | } |
398 | } |
694 | |
399 | |
695 | X_THREAD_PROC (aio_proc); |
|
|
696 | |
|
|
697 | static void start_thread (void) |
|
|
698 | { |
|
|
699 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
700 | |
|
|
701 | if (!wrk) |
|
|
702 | croak ("unable to allocate worker thread data"); |
|
|
703 | |
|
|
704 | X_LOCK (wrklock); |
|
|
705 | |
|
|
706 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
707 | { |
|
|
708 | wrk->prev = &wrk_first; |
|
|
709 | wrk->next = wrk_first.next; |
|
|
710 | wrk_first.next->prev = wrk; |
|
|
711 | wrk_first.next = wrk; |
|
|
712 | ++started; |
|
|
713 | } |
|
|
714 | else |
|
|
715 | free (wrk); |
|
|
716 | |
|
|
717 | X_UNLOCK (wrklock); |
|
|
718 | } |
|
|
719 | |
|
|
720 | static void maybe_start_thread (void) |
|
|
721 | { |
|
|
722 | if (get_nthreads () >= wanted) |
|
|
723 | return; |
|
|
724 | |
|
|
725 | /* todo: maybe use idle here, but might be less exact */ |
|
|
726 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
727 | return; |
|
|
728 | |
|
|
729 | start_thread (); |
|
|
730 | } |
|
|
731 | |
|
|
732 | static void req_send (aio_req req) |
|
|
733 | { |
|
|
734 | block_sig (); |
|
|
735 | |
|
|
736 | ++nreqs; |
|
|
737 | |
|
|
738 | X_LOCK (reqlock); |
|
|
739 | ++nready; |
|
|
740 | reqq_push (&req_queue, req); |
|
|
741 | X_COND_SIGNAL (reqwait); |
|
|
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | unblock_sig (); |
|
|
745 | |
|
|
746 | maybe_start_thread (); |
|
|
747 | } |
|
|
748 | |
|
|
749 | static void end_thread (void) |
|
|
750 | { |
|
|
751 | aio_req req; |
|
|
752 | |
|
|
753 | Newz (0, req, 1, aio_cb); |
|
|
754 | |
|
|
755 | req->type = REQ_QUIT; |
|
|
756 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
757 | |
|
|
758 | X_LOCK (reqlock); |
|
|
759 | reqq_push (&req_queue, req); |
|
|
760 | X_COND_SIGNAL (reqwait); |
|
|
761 | X_UNLOCK (reqlock); |
|
|
762 | |
|
|
763 | X_LOCK (wrklock); |
|
|
764 | --started; |
|
|
765 | X_UNLOCK (wrklock); |
|
|
766 | } |
|
|
767 | |
|
|
768 | static void set_max_idle (int nthreads) |
|
|
769 | { |
|
|
770 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
771 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
772 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
773 | } |
|
|
774 | |
|
|
775 | static void min_parallel (int nthreads) |
|
|
776 | { |
|
|
777 | if (wanted < nthreads) |
|
|
778 | wanted = nthreads; |
|
|
779 | } |
|
|
780 | |
|
|
781 | static void max_parallel (int nthreads) |
|
|
782 | { |
|
|
783 | if (wanted > nthreads) |
|
|
784 | wanted = nthreads; |
|
|
785 | |
|
|
786 | while (started > wanted) |
|
|
787 | end_thread (); |
|
|
788 | } |
|
|
789 | |
|
|
790 | static void poll_wait (void) |
400 | static void poll_wait (void) |
791 | { |
401 | { |
792 | fd_set rfd; |
402 | fd_set rfd; |
793 | |
403 | |
794 | while (nreqs) |
404 | while (eio_nreqs ()) |
795 | { |
405 | { |
796 | int size; |
406 | int size; |
797 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
407 | |
|
|
408 | X_LOCK (reslock); |
798 | size = res_queue.size; |
409 | size = res_queue.size; |
799 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
410 | X_UNLOCK (reslock); |
800 | |
411 | |
801 | if (size) |
412 | if (size) |
802 | return; |
413 | return; |
803 | |
414 | |
804 | maybe_start_thread (); |
415 | maybe_start_thread (); |
… | |
… | |
810 | } |
421 | } |
811 | } |
422 | } |
812 | |
423 | |
813 | static int poll_cb (void) |
424 | static int poll_cb (void) |
814 | { |
425 | { |
815 | dSP; |
426 | int res; |
816 | int count = 0; |
|
|
817 | int maxreqs = max_poll_reqs; |
|
|
818 | int do_croak = 0; |
|
|
819 | struct timeval tv_start, tv_now; |
|
|
820 | aio_req req; |
|
|
821 | |
427 | |
822 | if (max_poll_time) |
428 | do |
823 | gettimeofday (&tv_start, 0); |
|
|
824 | |
|
|
825 | block_sig (); |
|
|
826 | |
|
|
827 | for (;;) |
|
|
828 | { |
429 | { |
829 | for (;;) |
430 | res = eio_poll (); |
830 | { |
|
|
831 | maybe_start_thread (); |
|
|
832 | |
431 | |
833 | X_LOCK (reslock); |
432 | if (res > 0) |
834 | req = reqq_shift (&res_queue); |
|
|
835 | |
|
|
836 | if (req) |
|
|
837 | { |
|
|
838 | --npending; |
|
|
839 | |
|
|
840 | if (!res_queue.size) |
|
|
841 | { |
|
|
842 | /* read any signals sent by the worker threads */ |
|
|
843 | char buf [4]; |
|
|
844 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
845 | ; |
|
|
846 | } |
|
|
847 | } |
|
|
848 | |
|
|
849 | X_UNLOCK (reslock); |
|
|
850 | |
|
|
851 | if (!req) |
|
|
852 | break; |
|
|
853 | |
|
|
854 | --nreqs; |
|
|
855 | |
|
|
856 | if (req->type == REQ_GROUP && req->size) |
|
|
857 | { |
|
|
858 | req->int1 = 1; /* mark request as delayed */ |
|
|
859 | continue; |
|
|
860 | } |
|
|
861 | else |
|
|
862 | { |
|
|
863 | if (!req_invoke (req)) |
|
|
864 | { |
|
|
865 | req_destroy (req); |
|
|
866 | unblock_sig (); |
|
|
867 | croak (0); |
433 | croak (0); |
868 | } |
|
|
869 | |
|
|
870 | count++; |
|
|
871 | } |
|
|
872 | |
|
|
873 | req_destroy (req); |
|
|
874 | |
|
|
875 | if (maxreqs && !--maxreqs) |
|
|
876 | break; |
|
|
877 | |
|
|
878 | if (max_poll_time) |
|
|
879 | { |
|
|
880 | gettimeofday (&tv_now, 0); |
|
|
881 | |
|
|
882 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
883 | break; |
|
|
884 | } |
|
|
885 | } |
|
|
886 | |
|
|
887 | if (nreqs <= max_outstanding) |
|
|
888 | break; |
|
|
889 | |
|
|
890 | poll_wait (); |
|
|
891 | |
|
|
892 | ++maxreqs; |
|
|
893 | } |
434 | } |
894 | |
435 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
895 | unblock_sig (); |
|
|
896 | return count; |
|
|
897 | } |
|
|
898 | |
|
|
899 | /*****************************************************************************/ |
|
|
900 | /* work around various missing functions */ |
|
|
901 | |
|
|
902 | #if !HAVE_PREADWRITE |
|
|
903 | # define pread aio_pread |
|
|
904 | # define pwrite aio_pwrite |
|
|
905 | |
|
|
906 | /* |
|
|
907 | * make our pread/pwrite safe against themselves, but not against |
|
|
908 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
909 | * but that's your problem, not mine. |
|
|
910 | */ |
|
|
911 | static mutex_t preadwritelock = X_MUTEX_INIT; |
|
|
912 | |
|
|
913 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
914 | { |
|
|
915 | ssize_t res; |
|
|
916 | off_t ooffset; |
|
|
917 | |
|
|
918 | X_LOCK (preadwritelock); |
|
|
919 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
920 | lseek (fd, offset, SEEK_SET); |
|
|
921 | res = read (fd, buf, count); |
|
|
922 | lseek (fd, ooffset, SEEK_SET); |
|
|
923 | X_UNLOCK (preadwritelock); |
|
|
924 | |
436 | |
925 | return res; |
437 | return res; |
926 | } |
438 | } |
927 | |
439 | |
928 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
929 | { |
|
|
930 | ssize_t res; |
|
|
931 | off_t ooffset; |
|
|
932 | |
|
|
933 | X_LOCK (preadwritelock); |
|
|
934 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
935 | lseek (fd, offset, SEEK_SET); |
|
|
936 | res = write (fd, buf, count); |
|
|
937 | lseek (fd, offset, SEEK_SET); |
|
|
938 | X_UNLOCK (preadwritelock); |
|
|
939 | |
|
|
940 | return res; |
|
|
941 | } |
|
|
942 | #endif |
|
|
943 | |
|
|
944 | #ifndef HAVE_FUTIMES |
|
|
945 | |
|
|
946 | # define utimes(path,times) aio_utimes (path, times) |
|
|
947 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
948 | |
|
|
949 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
950 | { |
|
|
951 | if (times) |
|
|
952 | { |
|
|
953 | struct utimbuf buf; |
|
|
954 | |
|
|
955 | buf.actime = times[0].tv_sec; |
|
|
956 | buf.modtime = times[1].tv_sec; |
|
|
957 | |
|
|
958 | return utime (filename, &buf); |
|
|
959 | } |
|
|
960 | else |
|
|
961 | return utime (filename, 0); |
|
|
962 | } |
|
|
963 | |
|
|
964 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
965 | { |
|
|
966 | errno = ENOSYS; |
|
|
967 | return -1; |
|
|
968 | } |
|
|
969 | |
|
|
970 | #endif |
|
|
971 | |
|
|
972 | #if !HAVE_FDATASYNC |
|
|
973 | # define fdatasync fsync |
|
|
974 | #endif |
|
|
975 | |
|
|
976 | #if !HAVE_READAHEAD |
|
|
977 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
978 | |
|
|
979 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
980 | { |
|
|
981 | size_t todo = count; |
|
|
982 | dBUF; |
|
|
983 | |
|
|
984 | while (todo > 0) |
|
|
985 | { |
|
|
986 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
|
|
987 | |
|
|
988 | pread (fd, aio_buf, len, offset); |
|
|
989 | offset += len; |
|
|
990 | todo -= len; |
|
|
991 | } |
|
|
992 | |
|
|
993 | errno = 0; |
|
|
994 | return count; |
|
|
995 | } |
|
|
996 | |
|
|
997 | #endif |
|
|
998 | |
|
|
999 | #if !HAVE_READDIR_R |
|
|
1000 | # define readdir_r aio_readdir_r |
|
|
1001 | |
|
|
1002 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
1003 | |
|
|
1004 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
|
|
1005 | { |
|
|
1006 | X_DIRENT *e; |
|
|
1007 | int errorno; |
|
|
1008 | |
|
|
1009 | X_LOCK (readdirlock); |
|
|
1010 | |
|
|
1011 | e = readdir (dirp); |
|
|
1012 | errorno = errno; |
|
|
1013 | |
|
|
1014 | if (e) |
|
|
1015 | { |
|
|
1016 | *res = ent; |
|
|
1017 | strcpy (ent->d_name, e->d_name); |
|
|
1018 | } |
|
|
1019 | else |
|
|
1020 | *res = 0; |
|
|
1021 | |
|
|
1022 | X_UNLOCK (readdirlock); |
|
|
1023 | |
|
|
1024 | errno = errorno; |
|
|
1025 | return e ? 0 : -1; |
|
|
1026 | } |
|
|
1027 | #endif |
|
|
1028 | |
|
|
1029 | /* sendfile always needs emulation */ |
|
|
1030 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
1031 | { |
|
|
1032 | ssize_t res; |
|
|
1033 | |
|
|
1034 | if (!count) |
|
|
1035 | return 0; |
|
|
1036 | |
|
|
1037 | #if HAVE_SENDFILE |
|
|
1038 | # if __linux |
|
|
1039 | res = sendfile (ofd, ifd, &offset, count); |
|
|
1040 | |
|
|
1041 | # elif __freebsd |
|
|
1042 | /* |
|
|
1043 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
1044 | * wasted on making it similar to other I/O functions. |
|
|
1045 | */ |
|
|
1046 | { |
|
|
1047 | off_t sbytes; |
|
|
1048 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
1049 | |
|
|
1050 | if (res < 0 && sbytes) |
|
|
1051 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
1052 | res = sbytes; |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | # elif __hpux |
|
|
1056 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
1057 | |
|
|
1058 | # elif __solaris |
|
|
1059 | { |
|
|
1060 | struct sendfilevec vec; |
|
|
1061 | size_t sbytes; |
|
|
1062 | |
|
|
1063 | vec.sfv_fd = ifd; |
|
|
1064 | vec.sfv_flag = 0; |
|
|
1065 | vec.sfv_off = offset; |
|
|
1066 | vec.sfv_len = count; |
|
|
1067 | |
|
|
1068 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
1069 | |
|
|
1070 | if (res < 0 && sbytes) |
|
|
1071 | res = sbytes; |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | # endif |
|
|
1075 | #else |
|
|
1076 | res = -1; |
|
|
1077 | errno = ENOSYS; |
|
|
1078 | #endif |
|
|
1079 | |
|
|
1080 | if (res < 0 |
|
|
1081 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1082 | #if __solaris |
|
|
1083 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1084 | #endif |
|
|
1085 | ) |
|
|
1086 | ) |
|
|
1087 | { |
|
|
1088 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1089 | dBUF; |
|
|
1090 | |
|
|
1091 | res = 0; |
|
|
1092 | |
|
|
1093 | while (count) |
|
|
1094 | { |
|
|
1095 | ssize_t cnt; |
|
|
1096 | |
|
|
1097 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1098 | |
|
|
1099 | if (cnt <= 0) |
|
|
1100 | { |
|
|
1101 | if (cnt && !res) res = -1; |
|
|
1102 | break; |
|
|
1103 | } |
|
|
1104 | |
|
|
1105 | cnt = write (ofd, aio_buf, cnt); |
|
|
1106 | |
|
|
1107 | if (cnt <= 0) |
|
|
1108 | { |
|
|
1109 | if (cnt && !res) res = -1; |
|
|
1110 | break; |
|
|
1111 | } |
|
|
1112 | |
|
|
1113 | offset += cnt; |
|
|
1114 | res += cnt; |
|
|
1115 | count -= cnt; |
|
|
1116 | } |
|
|
1117 | } |
|
|
1118 | |
|
|
1119 | return res; |
|
|
1120 | } |
|
|
1121 | |
|
|
1122 | /* read a full directory */ |
|
|
1123 | static void scandir_ (aio_req req, worker *self) |
|
|
1124 | { |
|
|
1125 | DIR *dirp; |
|
|
1126 | union |
|
|
1127 | { |
|
|
1128 | X_DIRENT d; |
|
|
1129 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
1130 | } *u; |
|
|
1131 | X_DIRENT *entp; |
|
|
1132 | char *name, *names; |
|
|
1133 | int memlen = 4096; |
|
|
1134 | int memofs = 0; |
|
|
1135 | int res = 0; |
|
|
1136 | |
|
|
1137 | X_LOCK (wrklock); |
|
|
1138 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1139 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1140 | req->flags |= FLAG_PTR2_FREE; |
|
|
1141 | req->ptr2 = names = malloc (memlen); |
|
|
1142 | X_UNLOCK (wrklock); |
|
|
1143 | |
|
|
1144 | if (dirp && u && names) |
|
|
1145 | for (;;) |
|
|
1146 | { |
|
|
1147 | errno = 0; |
|
|
1148 | readdir_r (dirp, &u->d, &entp); |
|
|
1149 | |
|
|
1150 | if (!entp) |
|
|
1151 | break; |
|
|
1152 | |
|
|
1153 | name = entp->d_name; |
|
|
1154 | |
|
|
1155 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1156 | { |
|
|
1157 | int len = strlen (name) + 1; |
|
|
1158 | |
|
|
1159 | res++; |
|
|
1160 | |
|
|
1161 | while (memofs + len > memlen) |
|
|
1162 | { |
|
|
1163 | memlen *= 2; |
|
|
1164 | X_LOCK (wrklock); |
|
|
1165 | req->ptr2 = names = realloc (names, memlen); |
|
|
1166 | X_UNLOCK (wrklock); |
|
|
1167 | |
|
|
1168 | if (!names) |
|
|
1169 | break; |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | memcpy (names + memofs, name, len); |
|
|
1173 | memofs += len; |
|
|
1174 | } |
|
|
1175 | } |
|
|
1176 | |
|
|
1177 | if (errno) |
|
|
1178 | res = -1; |
|
|
1179 | |
|
|
1180 | req->result = res; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | static int |
|
|
1184 | aio_close (int fd) |
|
|
1185 | { |
|
|
1186 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
1187 | |
|
|
1188 | X_LOCK (wrklock); |
|
|
1189 | |
|
|
1190 | if (close_pipe < 0) |
|
|
1191 | { |
|
|
1192 | int pipefd [2]; |
|
|
1193 | |
|
|
1194 | if (pipe (pipefd) < 0 |
|
|
1195 | || close (pipefd [1]) < 0 |
|
|
1196 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
1197 | { |
|
|
1198 | X_UNLOCK (wrklock); |
|
|
1199 | return -1; |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | close_pipe = pipefd [0]; |
|
|
1203 | } |
|
|
1204 | |
|
|
1205 | X_UNLOCK (wrklock); |
|
|
1206 | |
|
|
1207 | return dup2 (close_pipe, fd) < 0 ? -1 : 0; |
|
|
1208 | } |
|
|
1209 | |
|
|
1210 | /*****************************************************************************/ |
|
|
1211 | |
|
|
1212 | X_THREAD_PROC (aio_proc) |
|
|
1213 | { |
|
|
1214 | aio_req req; |
|
|
1215 | struct timespec ts; |
|
|
1216 | worker *self = (worker *)thr_arg; |
|
|
1217 | |
|
|
1218 | /* try to distribute timeouts somewhat randomly */ |
|
|
1219 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1220 | |
|
|
1221 | for (;;) |
|
|
1222 | { |
|
|
1223 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1224 | |
|
|
1225 | X_LOCK (reqlock); |
|
|
1226 | |
|
|
1227 | for (;;) |
|
|
1228 | { |
|
|
1229 | self->req = req = reqq_shift (&req_queue); |
|
|
1230 | |
|
|
1231 | if (req) |
|
|
1232 | break; |
|
|
1233 | |
|
|
1234 | ++idle; |
|
|
1235 | |
|
|
1236 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1237 | == ETIMEDOUT) |
|
|
1238 | { |
|
|
1239 | if (idle > max_idle) |
|
|
1240 | { |
|
|
1241 | --idle; |
|
|
1242 | X_UNLOCK (reqlock); |
|
|
1243 | X_LOCK (wrklock); |
|
|
1244 | --started; |
|
|
1245 | X_UNLOCK (wrklock); |
|
|
1246 | goto quit; |
|
|
1247 | } |
|
|
1248 | |
|
|
1249 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1250 | X_COND_WAIT (reqwait, reqlock); |
|
|
1251 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | --idle; |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | --nready; |
|
|
1258 | |
|
|
1259 | X_UNLOCK (reqlock); |
|
|
1260 | |
|
|
1261 | errno = 0; /* strictly unnecessary */ |
|
|
1262 | |
|
|
1263 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1264 | switch (req->type) |
|
|
1265 | { |
|
|
1266 | case REQ_READ: req->result = req->offs >= 0 |
|
|
1267 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1268 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1269 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1270 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1271 | : write (req->int1, req->ptr1, req->size); break; |
|
|
1272 | |
|
|
1273 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1274 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1275 | |
|
|
1276 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1277 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1278 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1279 | |
|
|
1280 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1281 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1282 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1283 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1284 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1285 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1286 | |
|
|
1287 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1288 | case REQ_CLOSE: req->result = aio_close (req->int1); break; |
|
|
1289 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1290 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1291 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1292 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1293 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1294 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1295 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1296 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1297 | |
|
|
1298 | case REQ_SYNC: req->result = 0; sync (); break; |
|
|
1299 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1300 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1301 | |
|
|
1302 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1303 | |
|
|
1304 | case REQ_BUSY: |
|
|
1305 | #ifdef _WIN32 |
|
|
1306 | Sleep (req->nv1 * 1000.); |
|
|
1307 | #else |
|
|
1308 | { |
|
|
1309 | struct timeval tv; |
|
|
1310 | |
|
|
1311 | tv.tv_sec = req->nv1; |
|
|
1312 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1313 | |
|
|
1314 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1315 | } |
|
|
1316 | #endif |
|
|
1317 | break; |
|
|
1318 | |
|
|
1319 | case REQ_UTIME: |
|
|
1320 | case REQ_FUTIME: |
|
|
1321 | { |
|
|
1322 | struct timeval tv[2]; |
|
|
1323 | struct timeval *times; |
|
|
1324 | |
|
|
1325 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1326 | { |
|
|
1327 | tv[0].tv_sec = req->nv1; |
|
|
1328 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1329 | tv[1].tv_sec = req->nv2; |
|
|
1330 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1331 | |
|
|
1332 | times = tv; |
|
|
1333 | } |
|
|
1334 | else |
|
|
1335 | times = 0; |
|
|
1336 | |
|
|
1337 | |
|
|
1338 | req->result = req->type == REQ_FUTIME |
|
|
1339 | ? futimes (req->int1, times) |
|
|
1340 | : utimes (req->ptr1, times); |
|
|
1341 | } |
|
|
1342 | |
|
|
1343 | case REQ_GROUP: |
|
|
1344 | case REQ_NOP: |
|
|
1345 | break; |
|
|
1346 | |
|
|
1347 | case REQ_QUIT: |
|
|
1348 | goto quit; |
|
|
1349 | |
|
|
1350 | default: |
|
|
1351 | req->result = -1; |
|
|
1352 | break; |
|
|
1353 | } |
|
|
1354 | |
|
|
1355 | req->errorno = errno; |
|
|
1356 | |
|
|
1357 | X_LOCK (reslock); |
|
|
1358 | |
|
|
1359 | ++npending; |
|
|
1360 | |
|
|
1361 | if (!reqq_push (&res_queue, req)) |
|
|
1362 | { |
|
|
1363 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1364 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1365 | |
|
|
1366 | /* optionally signal the main thread asynchronously */ |
|
|
1367 | if (main_sig) |
|
|
1368 | pthread_kill (main_tid, main_sig); |
|
|
1369 | } |
|
|
1370 | |
|
|
1371 | self->req = 0; |
|
|
1372 | worker_clear (self); |
|
|
1373 | |
|
|
1374 | X_UNLOCK (reslock); |
|
|
1375 | } |
|
|
1376 | |
|
|
1377 | quit: |
|
|
1378 | X_LOCK (wrklock); |
|
|
1379 | worker_free (self); |
|
|
1380 | X_UNLOCK (wrklock); |
|
|
1381 | |
|
|
1382 | return 0; |
|
|
1383 | } |
|
|
1384 | |
|
|
1385 | /*****************************************************************************/ |
|
|
1386 | |
|
|
1387 | static void atfork_prepare (void) |
|
|
1388 | { |
|
|
1389 | X_LOCK (wrklock); |
|
|
1390 | X_LOCK (reqlock); |
|
|
1391 | X_LOCK (reslock); |
|
|
1392 | #if !HAVE_PREADWRITE |
|
|
1393 | X_LOCK (preadwritelock); |
|
|
1394 | #endif |
|
|
1395 | #if !HAVE_READDIR_R |
|
|
1396 | X_LOCK (readdirlock); |
|
|
1397 | #endif |
|
|
1398 | } |
|
|
1399 | |
|
|
1400 | static void atfork_parent (void) |
|
|
1401 | { |
|
|
1402 | #if !HAVE_READDIR_R |
|
|
1403 | X_UNLOCK (readdirlock); |
|
|
1404 | #endif |
|
|
1405 | #if !HAVE_PREADWRITE |
|
|
1406 | X_UNLOCK (preadwritelock); |
|
|
1407 | #endif |
|
|
1408 | X_UNLOCK (reslock); |
|
|
1409 | X_UNLOCK (reqlock); |
|
|
1410 | X_UNLOCK (wrklock); |
|
|
1411 | } |
|
|
1412 | |
|
|
1413 | static void atfork_child (void) |
440 | static void atfork_child (void) |
1414 | { |
441 | { |
1415 | aio_req prv; |
|
|
1416 | |
|
|
1417 | while (prv = reqq_shift (&req_queue)) |
|
|
1418 | req_destroy (prv); |
|
|
1419 | |
|
|
1420 | while (prv = reqq_shift (&res_queue)) |
|
|
1421 | req_destroy (prv); |
|
|
1422 | |
|
|
1423 | while (wrk_first.next != &wrk_first) |
|
|
1424 | { |
|
|
1425 | worker *wrk = wrk_first.next; |
|
|
1426 | |
|
|
1427 | if (wrk->req) |
|
|
1428 | req_destroy (wrk->req); |
|
|
1429 | |
|
|
1430 | worker_clear (wrk); |
|
|
1431 | worker_free (wrk); |
|
|
1432 | } |
|
|
1433 | |
|
|
1434 | started = 0; |
|
|
1435 | idle = 0; |
|
|
1436 | nreqs = 0; |
|
|
1437 | nready = 0; |
|
|
1438 | npending = 0; |
|
|
1439 | |
|
|
1440 | create_respipe (); |
442 | create_respipe (); |
1441 | |
|
|
1442 | atfork_parent (); |
|
|
1443 | } |
443 | } |
1444 | |
444 | |
1445 | #define dREQ \ |
445 | #define dREQ \ |
1446 | aio_req req; \ |
446 | aio_req req; \ |
1447 | int req_pri = next_pri; \ |
447 | int req_pri = next_pri; \ |
1448 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
448 | next_pri = EIO_PRI_DEFAULT; \ |
1449 | \ |
449 | \ |
1450 | if (SvOK (callback) && !SvROK (callback)) \ |
450 | if (SvOK (callback) && !SvROK (callback)) \ |
1451 | croak ("callback must be undef or of reference type"); \ |
451 | croak ("callback must be undef or of reference type"); \ |
1452 | \ |
452 | \ |
1453 | Newz (0, req, 1, aio_cb); \ |
453 | Newz (0, req, 1, eio_req); \ |
1454 | if (!req) \ |
454 | if (!req) \ |
1455 | croak ("out of memory during aio_req allocation"); \ |
455 | croak ("out of memory during eio_req allocation"); \ |
1456 | \ |
456 | \ |
1457 | req->callback = newSVsv (callback); \ |
457 | req->callback = newSVsv (callback); \ |
1458 | req->pri = req_pri |
458 | req->pri = req_pri |
1459 | |
459 | |
1460 | #define REQ_SEND \ |
460 | #define REQ_SEND \ |
1461 | req_send (req); \ |
461 | req_submit (req); \ |
1462 | \ |
462 | \ |
1463 | if (GIMME_V != G_VOID) \ |
463 | if (GIMME_V != G_VOID) \ |
1464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1465 | |
465 | |
1466 | MODULE = IO::AIO PACKAGE = IO::AIO |
466 | MODULE = IO::AIO PACKAGE = IO::AIO |
… | |
… | |
1485 | X_MUTEX_CHECK (readdirlock); |
485 | X_MUTEX_CHECK (readdirlock); |
1486 | |
486 | |
1487 | X_COND_CHECK (reqwait); |
487 | X_COND_CHECK (reqwait); |
1488 | #else |
488 | #else |
1489 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
489 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1490 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1491 | #endif |
490 | #endif |
1492 | |
491 | |
1493 | create_respipe (); |
492 | create_respipe (); |
1494 | |
493 | |
1495 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
494 | if (eio_init (want_poll, done_poll) < 0) |
|
|
495 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
496 | |
|
|
497 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
498 | X_THREAD_ATFORK (0, 0, atfork_child); |
1496 | } |
499 | } |
1497 | |
500 | |
1498 | void |
501 | void |
1499 | max_poll_reqs (int nreqs) |
502 | max_poll_reqs (int nreqs) |
1500 | PROTOTYPE: $ |
503 | PROTOTYPE: $ |
1501 | CODE: |
504 | CODE: |
1502 | max_poll_reqs = nreqs; |
505 | eio_set_max_poll_reqs (nreqs); |
1503 | |
506 | |
1504 | void |
507 | void |
1505 | max_poll_time (double nseconds) |
508 | max_poll_time (double nseconds) |
1506 | PROTOTYPE: $ |
509 | PROTOTYPE: $ |
1507 | CODE: |
510 | CODE: |
1508 | max_poll_time = nseconds * AIO_TICKS; |
511 | eio_set_max_poll_time (nseconds); |
1509 | |
512 | |
1510 | void |
513 | void |
1511 | min_parallel (int nthreads) |
514 | min_parallel (int nthreads) |
1512 | PROTOTYPE: $ |
515 | PROTOTYPE: $ |
|
|
516 | CODE: |
|
|
517 | eio_set_min_parallel (nthreads); |
1513 | |
518 | |
1514 | void |
519 | void |
1515 | max_parallel (int nthreads) |
520 | max_parallel (int nthreads) |
1516 | PROTOTYPE: $ |
521 | PROTOTYPE: $ |
|
|
522 | CODE: |
|
|
523 | eio_set_max_parallel (nthreads); |
1517 | |
524 | |
1518 | void |
525 | void |
1519 | max_idle (int nthreads) |
526 | max_idle (int nthreads) |
1520 | PROTOTYPE: $ |
527 | PROTOTYPE: $ |
1521 | CODE: |
528 | CODE: |
1522 | set_max_idle (nthreads); |
529 | eio_set_max_idle (nthreads); |
1523 | |
530 | |
1524 | int |
531 | void |
1525 | max_outstanding (int maxreqs) |
532 | max_outstanding (int maxreqs) |
1526 | PROTOTYPE: $ |
533 | PROTOTYPE: $ |
1527 | CODE: |
534 | CODE: |
1528 | RETVAL = max_outstanding; |
|
|
1529 | max_outstanding = maxreqs; |
535 | max_outstanding = maxreqs; |
1530 | OUTPUT: |
|
|
1531 | RETVAL |
|
|
1532 | |
536 | |
1533 | void |
537 | void |
1534 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
538 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1535 | PROTOTYPE: $$$;$ |
539 | PROTOTYPE: $$$;$ |
1536 | PPCODE: |
540 | PPCODE: |
1537 | { |
541 | { |
1538 | dREQ; |
542 | dREQ; |
1539 | |
543 | |
1540 | req->type = REQ_OPEN; |
544 | req->type = EIO_OPEN; |
1541 | req->sv1 = newSVsv (pathname); |
545 | req->sv1 = newSVsv (pathname); |
1542 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
546 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1543 | req->int1 = flags; |
547 | req->int1 = flags; |
1544 | req->mode = mode; |
548 | req->int2 = mode; |
1545 | |
549 | |
1546 | REQ_SEND; |
550 | REQ_SEND; |
1547 | } |
551 | } |
1548 | |
552 | |
1549 | void |
553 | void |
1550 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
554 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1551 | PROTOTYPE: $;$ |
555 | PROTOTYPE: $;$ |
1552 | ALIAS: |
556 | ALIAS: |
1553 | aio_fsync = REQ_FSYNC |
557 | aio_fsync = EIO_FSYNC |
1554 | aio_fdatasync = REQ_FDATASYNC |
558 | aio_fdatasync = EIO_FDATASYNC |
1555 | PPCODE: |
559 | PPCODE: |
1556 | { |
560 | { |
1557 | dREQ; |
561 | dREQ; |
1558 | |
562 | |
1559 | req->type = ix; |
563 | req->type = ix; |
… | |
… | |
1566 | void |
570 | void |
1567 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
571 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1568 | PROTOTYPE: $;$ |
572 | PROTOTYPE: $;$ |
1569 | PPCODE: |
573 | PPCODE: |
1570 | { |
574 | { |
|
|
575 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
1571 | dREQ; |
576 | dREQ; |
1572 | |
577 | |
|
|
578 | if (close_pipe < 0) |
|
|
579 | { |
|
|
580 | int pipefd [2]; |
|
|
581 | |
|
|
582 | if (pipe (pipefd) < 0 |
|
|
583 | || close (pipefd [1]) < 0 |
|
|
584 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
585 | abort (); /*D*/ |
|
|
586 | |
|
|
587 | close_pipe = pipefd [0]; |
|
|
588 | } |
|
|
589 | |
1573 | req->type = REQ_CLOSE; |
590 | req->type = EIO_DUP2; |
|
|
591 | req->int1 = close_pipe; |
1574 | req->sv1 = newSVsv (fh); |
592 | req->sv2 = newSVsv (fh); |
1575 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
593 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1576 | |
594 | |
1577 | REQ_SEND (req); |
595 | REQ_SEND (req); |
1578 | } |
596 | } |
1579 | |
597 | |
1580 | void |
598 | void |
1581 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
599 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1582 | ALIAS: |
600 | ALIAS: |
1583 | aio_read = REQ_READ |
601 | aio_read = EIO_READ |
1584 | aio_write = REQ_WRITE |
602 | aio_write = EIO_WRITE |
1585 | PROTOTYPE: $$$$$;$ |
603 | PROTOTYPE: $$$$$;$ |
1586 | PPCODE: |
604 | PPCODE: |
1587 | { |
605 | { |
1588 | STRLEN svlen; |
606 | STRLEN svlen; |
1589 | char *svptr = SvPVbyte (data, svlen); |
607 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
1596 | dataoffset += svlen; |
614 | dataoffset += svlen; |
1597 | |
615 | |
1598 | if (dataoffset < 0 || dataoffset > svlen) |
616 | if (dataoffset < 0 || dataoffset > svlen) |
1599 | croak ("dataoffset outside of data scalar"); |
617 | croak ("dataoffset outside of data scalar"); |
1600 | |
618 | |
1601 | if (ix == REQ_WRITE) |
619 | if (ix == EIO_WRITE) |
1602 | { |
620 | { |
1603 | /* write: check length and adjust. */ |
621 | /* write: check length and adjust. */ |
1604 | if (!SvOK (length) || len + dataoffset > svlen) |
622 | if (!SvOK (length) || len + dataoffset > svlen) |
1605 | len = svlen - dataoffset; |
623 | len = svlen - dataoffset; |
1606 | } |
624 | } |
… | |
… | |
1616 | { |
634 | { |
1617 | dREQ; |
635 | dREQ; |
1618 | |
636 | |
1619 | req->type = ix; |
637 | req->type = ix; |
1620 | req->sv1 = newSVsv (fh); |
638 | req->sv1 = newSVsv (fh); |
1621 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
639 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
1622 | : IoOFP (sv_2io (fh))); |
640 | : IoOFP (sv_2io (fh))); |
1623 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
641 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1624 | req->size = len; |
642 | req->size = len; |
1625 | req->sv2 = SvREFCNT_inc (data); |
643 | req->sv2 = SvREFCNT_inc (data); |
1626 | req->ptr1 = (char *)svptr + dataoffset; |
644 | req->ptr2 = (char *)svptr + dataoffset; |
1627 | req->stroffset = dataoffset; |
645 | req->stroffset = dataoffset; |
1628 | |
646 | |
1629 | if (!SvREADONLY (data)) |
647 | if (!SvREADONLY (data)) |
1630 | { |
648 | { |
1631 | SvREADONLY_on (data); |
649 | SvREADONLY_on (data); |
… | |
… | |
1642 | PPCODE: |
660 | PPCODE: |
1643 | { |
661 | { |
1644 | SV *data; |
662 | SV *data; |
1645 | dREQ; |
663 | dREQ; |
1646 | |
664 | |
1647 | data = newSV (NAME_MAX); |
|
|
1648 | SvPOK_on (data); |
|
|
1649 | |
|
|
1650 | req->type = REQ_READLINK; |
665 | req->type = EIO_READLINK; |
1651 | req->sv1 = newSVsv (path); |
666 | req->sv1 = newSVsv (path); |
1652 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
667 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1653 | req->sv2 = data; |
|
|
1654 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1655 | |
668 | |
1656 | REQ_SEND; |
669 | REQ_SEND; |
1657 | } |
670 | } |
1658 | |
671 | |
1659 | void |
672 | void |
… | |
… | |
1661 | PROTOTYPE: $$$$;$ |
674 | PROTOTYPE: $$$$;$ |
1662 | PPCODE: |
675 | PPCODE: |
1663 | { |
676 | { |
1664 | dREQ; |
677 | dREQ; |
1665 | |
678 | |
1666 | req->type = REQ_SENDFILE; |
679 | req->type = EIO_SENDFILE; |
1667 | req->sv1 = newSVsv (out_fh); |
680 | req->sv1 = newSVsv (out_fh); |
1668 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
681 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1669 | req->sv2 = newSVsv (in_fh); |
682 | req->sv2 = newSVsv (in_fh); |
1670 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
683 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1671 | req->offs = SvVAL64 (in_offset); |
684 | req->offs = SvVAL64 (in_offset); |
… | |
… | |
1679 | PROTOTYPE: $$$;$ |
692 | PROTOTYPE: $$$;$ |
1680 | PPCODE: |
693 | PPCODE: |
1681 | { |
694 | { |
1682 | dREQ; |
695 | dREQ; |
1683 | |
696 | |
1684 | req->type = REQ_READAHEAD; |
697 | req->type = EIO_READAHEAD; |
1685 | req->sv1 = newSVsv (fh); |
698 | req->sv1 = newSVsv (fh); |
1686 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
699 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1687 | req->offs = SvVAL64 (offset); |
700 | req->offs = SvVAL64 (offset); |
1688 | req->size = length; |
701 | req->size = length; |
1689 | |
702 | |
… | |
… | |
1691 | } |
704 | } |
1692 | |
705 | |
1693 | void |
706 | void |
1694 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
707 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1695 | ALIAS: |
708 | ALIAS: |
1696 | aio_stat = REQ_STAT |
709 | aio_stat = EIO_STAT |
1697 | aio_lstat = REQ_LSTAT |
710 | aio_lstat = EIO_LSTAT |
1698 | PPCODE: |
711 | PPCODE: |
1699 | { |
712 | { |
1700 | dREQ; |
713 | dREQ; |
1701 | |
714 | |
1702 | req->ptr2 = malloc (sizeof (Stat_t)); |
|
|
1703 | if (!req->ptr2) |
|
|
1704 | { |
|
|
1705 | req_destroy (req); |
|
|
1706 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1707 | } |
|
|
1708 | |
|
|
1709 | req->flags |= FLAG_PTR2_FREE; |
|
|
1710 | req->sv1 = newSVsv (fh_or_path); |
715 | req->sv1 = newSVsv (fh_or_path); |
1711 | |
716 | |
1712 | if (SvPOK (fh_or_path)) |
717 | if (SvPOK (req->sv1)) |
1713 | { |
718 | { |
1714 | req->type = ix; |
719 | req->type = ix; |
1715 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
720 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1716 | } |
721 | } |
1717 | else |
722 | else |
1718 | { |
723 | { |
1719 | req->type = REQ_FSTAT; |
724 | req->type = EIO_FSTAT; |
1720 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
725 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1721 | } |
726 | } |
1722 | |
727 | |
1723 | REQ_SEND; |
728 | REQ_SEND; |
1724 | } |
729 | } |
… | |
… | |
1731 | |
736 | |
1732 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
737 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1733 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
738 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1734 | req->sv1 = newSVsv (fh_or_path); |
739 | req->sv1 = newSVsv (fh_or_path); |
1735 | |
740 | |
1736 | if (SvPOK (fh_or_path)) |
741 | if (SvPOK (req->sv1)) |
1737 | { |
742 | { |
1738 | req->type = REQ_UTIME; |
743 | req->type = EIO_UTIME; |
1739 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
744 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1740 | } |
745 | } |
1741 | else |
746 | else |
1742 | { |
747 | { |
1743 | req->type = REQ_FUTIME; |
748 | req->type = EIO_FUTIME; |
1744 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
749 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1745 | } |
750 | } |
1746 | |
751 | |
1747 | REQ_SEND; |
752 | REQ_SEND; |
1748 | } |
753 | } |
… | |
… | |
1754 | dREQ; |
759 | dREQ; |
1755 | |
760 | |
1756 | req->sv1 = newSVsv (fh_or_path); |
761 | req->sv1 = newSVsv (fh_or_path); |
1757 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
762 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1758 | |
763 | |
1759 | if (SvPOK (fh_or_path)) |
764 | if (SvPOK (req->sv1)) |
1760 | { |
765 | { |
1761 | req->type = REQ_TRUNCATE; |
766 | req->type = EIO_TRUNCATE; |
1762 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
767 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1763 | } |
768 | } |
1764 | else |
769 | else |
1765 | { |
770 | { |
1766 | req->type = REQ_FTRUNCATE; |
771 | req->type = EIO_FTRUNCATE; |
1767 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
772 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1768 | } |
773 | } |
1769 | |
774 | |
1770 | REQ_SEND; |
775 | REQ_SEND; |
1771 | } |
776 | } |
1772 | |
777 | |
1773 | void |
778 | void |
1774 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
779 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
780 | ALIAS: |
|
|
781 | aio_chmod = EIO_CHMOD |
|
|
782 | aio_mkdir = EIO_MKDIR |
1775 | PPCODE: |
783 | PPCODE: |
1776 | { |
784 | { |
1777 | dREQ; |
785 | dREQ; |
1778 | |
786 | |
1779 | req->mode = mode; |
787 | req->int2 = mode; |
1780 | req->sv1 = newSVsv (fh_or_path); |
788 | req->sv1 = newSVsv (fh_or_path); |
1781 | |
789 | |
1782 | if (SvPOK (fh_or_path)) |
790 | if (SvPOK (req->sv1)) |
1783 | { |
791 | { |
1784 | req->type = REQ_CHMOD; |
792 | req->type = ix; |
1785 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
793 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1786 | } |
794 | } |
1787 | else |
795 | else |
1788 | { |
796 | { |
1789 | req->type = REQ_FCHMOD; |
797 | req->type = EIO_FCHMOD; |
1790 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
798 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1791 | } |
799 | } |
1792 | |
800 | |
1793 | REQ_SEND; |
801 | REQ_SEND; |
1794 | } |
802 | } |
… | |
… | |
1801 | |
809 | |
1802 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
810 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1803 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
811 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1804 | req->sv1 = newSVsv (fh_or_path); |
812 | req->sv1 = newSVsv (fh_or_path); |
1805 | |
813 | |
1806 | if (SvPOK (fh_or_path)) |
814 | if (SvPOK (req->sv1)) |
1807 | { |
815 | { |
1808 | req->type = REQ_CHOWN; |
816 | req->type = EIO_CHOWN; |
1809 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
817 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1810 | } |
818 | } |
1811 | else |
819 | else |
1812 | { |
820 | { |
1813 | req->type = REQ_FCHOWN; |
821 | req->type = EIO_FCHOWN; |
1814 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
822 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1815 | } |
823 | } |
1816 | |
824 | |
1817 | REQ_SEND; |
825 | REQ_SEND; |
1818 | } |
826 | } |
1819 | |
827 | |
1820 | void |
828 | void |
1821 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
829 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1822 | ALIAS: |
830 | ALIAS: |
1823 | aio_unlink = REQ_UNLINK |
831 | aio_unlink = EIO_UNLINK |
1824 | aio_rmdir = REQ_RMDIR |
832 | aio_rmdir = EIO_RMDIR |
1825 | aio_readdir = REQ_READDIR |
833 | aio_readdir = EIO_READDIR |
1826 | PPCODE: |
834 | PPCODE: |
1827 | { |
835 | { |
1828 | dREQ; |
836 | dREQ; |
1829 | |
837 | |
1830 | req->type = ix; |
838 | req->type = ix; |
… | |
… | |
1833 | |
841 | |
1834 | REQ_SEND; |
842 | REQ_SEND; |
1835 | } |
843 | } |
1836 | |
844 | |
1837 | void |
845 | void |
1838 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
846 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
847 | ALIAS: |
|
|
848 | aio_link = EIO_LINK |
|
|
849 | aio_symlink = EIO_SYMLINK |
|
|
850 | aio_rename = EIO_RENAME |
1839 | PPCODE: |
851 | PPCODE: |
1840 | { |
852 | { |
1841 | dREQ; |
853 | dREQ; |
1842 | |
854 | |
|
|
855 | req->type = ix; |
|
|
856 | req->sv1 = newSVsv (oldpath); |
|
|
857 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
858 | req->sv2 = newSVsv (newpath); |
|
|
859 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
860 | |
|
|
861 | REQ_SEND; |
|
|
862 | } |
|
|
863 | |
|
|
864 | void |
|
|
865 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
866 | PPCODE: |
|
|
867 | { |
|
|
868 | dREQ; |
|
|
869 | |
1843 | req->type = REQ_MKDIR; |
870 | req->type = EIO_MKNOD; |
1844 | req->sv1 = newSVsv (pathname); |
871 | req->sv1 = newSVsv (pathname); |
1845 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
872 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1846 | req->mode = mode; |
|
|
1847 | |
|
|
1848 | REQ_SEND; |
|
|
1849 | } |
|
|
1850 | |
|
|
1851 | void |
|
|
1852 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1853 | ALIAS: |
|
|
1854 | aio_link = REQ_LINK |
|
|
1855 | aio_symlink = REQ_SYMLINK |
|
|
1856 | aio_rename = REQ_RENAME |
|
|
1857 | PPCODE: |
|
|
1858 | { |
|
|
1859 | dREQ; |
|
|
1860 | |
|
|
1861 | req->type = ix; |
|
|
1862 | req->sv2 = newSVsv (oldpath); |
|
|
1863 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1864 | req->sv1 = newSVsv (newpath); |
|
|
1865 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1866 | |
|
|
1867 | REQ_SEND; |
|
|
1868 | } |
|
|
1869 | |
|
|
1870 | void |
|
|
1871 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1872 | PPCODE: |
|
|
1873 | { |
|
|
1874 | dREQ; |
|
|
1875 | |
|
|
1876 | req->type = REQ_MKNOD; |
|
|
1877 | req->sv1 = newSVsv (pathname); |
|
|
1878 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1879 | req->mode = (mode_t)mode; |
873 | req->int2 = (mode_t)mode; |
1880 | req->offs = dev; |
874 | req->offs = dev; |
1881 | |
875 | |
1882 | REQ_SEND; |
876 | REQ_SEND; |
1883 | } |
877 | } |
1884 | |
878 | |
… | |
… | |
1886 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
880 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1887 | PPCODE: |
881 | PPCODE: |
1888 | { |
882 | { |
1889 | dREQ; |
883 | dREQ; |
1890 | |
884 | |
1891 | req->type = REQ_BUSY; |
885 | req->type = EIO_BUSY; |
1892 | req->nv1 = delay < 0. ? 0. : delay; |
886 | req->nv1 = delay < 0. ? 0. : delay; |
1893 | |
887 | |
1894 | REQ_SEND; |
888 | REQ_SEND; |
1895 | } |
889 | } |
1896 | |
890 | |
… | |
… | |
1899 | PROTOTYPE: ;$ |
893 | PROTOTYPE: ;$ |
1900 | PPCODE: |
894 | PPCODE: |
1901 | { |
895 | { |
1902 | dREQ; |
896 | dREQ; |
1903 | |
897 | |
1904 | req->type = REQ_GROUP; |
898 | req->type = EIO_GROUP; |
1905 | |
899 | |
1906 | req_send (req); |
900 | eio_submit (req); |
1907 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
901 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1908 | } |
902 | } |
1909 | |
903 | |
1910 | void |
904 | void |
1911 | aio_nop (SV *callback=&PL_sv_undef) |
905 | aio_nop (SV *callback=&PL_sv_undef) |
1912 | ALIAS: |
906 | ALIAS: |
1913 | aio_nop = REQ_NOP |
907 | aio_nop = EIO_NOP |
1914 | aio_sync = REQ_SYNC |
908 | aio_sync = EIO_SYNC |
1915 | PPCODE: |
909 | PPCODE: |
1916 | { |
910 | { |
1917 | dREQ; |
911 | dREQ; |
1918 | |
912 | |
1919 | req->type = ix; |
913 | req->type = ix; |
… | |
… | |
1923 | |
917 | |
1924 | int |
918 | int |
1925 | aioreq_pri (int pri = 0) |
919 | aioreq_pri (int pri = 0) |
1926 | PROTOTYPE: ;$ |
920 | PROTOTYPE: ;$ |
1927 | CODE: |
921 | CODE: |
1928 | RETVAL = next_pri - PRI_BIAS; |
922 | RETVAL = next_pri; |
1929 | if (items > 0) |
923 | if (items > 0) |
1930 | { |
924 | { |
1931 | if (pri < PRI_MIN) pri = PRI_MIN; |
925 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1932 | if (pri > PRI_MAX) pri = PRI_MAX; |
926 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1933 | next_pri = pri + PRI_BIAS; |
927 | next_pri = pri; |
1934 | } |
928 | } |
1935 | OUTPUT: |
929 | OUTPUT: |
1936 | RETVAL |
930 | RETVAL |
1937 | |
931 | |
1938 | void |
932 | void |
1939 | aioreq_nice (int nice = 0) |
933 | aioreq_nice (int nice = 0) |
1940 | CODE: |
934 | CODE: |
1941 | nice = next_pri - nice; |
935 | nice = next_pri - nice; |
1942 | if (nice < PRI_MIN) nice = PRI_MIN; |
936 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1943 | if (nice > PRI_MAX) nice = PRI_MAX; |
937 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1944 | next_pri = nice + PRI_BIAS; |
938 | next_pri = nice; |
1945 | |
939 | |
1946 | void |
940 | void |
1947 | flush () |
941 | flush () |
1948 | PROTOTYPE: |
942 | PROTOTYPE: |
1949 | CODE: |
943 | CODE: |
1950 | while (nreqs) |
944 | while (eio_nreqs ()) |
1951 | { |
945 | { |
1952 | poll_wait (); |
946 | poll_wait (); |
1953 | poll_cb (); |
947 | poll_cb (); |
1954 | } |
948 | } |
1955 | |
949 | |
… | |
… | |
1982 | poll_wait() |
976 | poll_wait() |
1983 | PROTOTYPE: |
977 | PROTOTYPE: |
1984 | CODE: |
978 | CODE: |
1985 | poll_wait (); |
979 | poll_wait (); |
1986 | |
980 | |
1987 | void |
|
|
1988 | setsig (int signum = SIGIO) |
|
|
1989 | PROTOTYPE: ;$ |
|
|
1990 | CODE: |
|
|
1991 | { |
|
|
1992 | if (block_sig_level) |
|
|
1993 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1994 | |
|
|
1995 | X_LOCK (reslock); |
|
|
1996 | main_tid = pthread_self (); |
|
|
1997 | main_sig = signum; |
|
|
1998 | X_UNLOCK (reslock); |
|
|
1999 | |
|
|
2000 | if (main_sig && npending) |
|
|
2001 | pthread_kill (main_tid, main_sig); |
|
|
2002 | } |
|
|
2003 | |
|
|
2004 | void |
|
|
2005 | aio_block (SV *cb) |
|
|
2006 | PROTOTYPE: & |
|
|
2007 | PPCODE: |
|
|
2008 | { |
|
|
2009 | int count; |
|
|
2010 | |
|
|
2011 | block_sig (); |
|
|
2012 | PUSHMARK (SP); |
|
|
2013 | PUTBACK; |
|
|
2014 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
2015 | unblock_sig (); |
|
|
2016 | |
|
|
2017 | if (SvTRUE (ERRSV)) |
|
|
2018 | croak (0); |
|
|
2019 | |
|
|
2020 | XSRETURN (count); |
|
|
2021 | } |
|
|
2022 | |
|
|
2023 | int |
981 | int |
2024 | nreqs() |
982 | nreqs() |
2025 | PROTOTYPE: |
983 | PROTOTYPE: |
2026 | CODE: |
984 | CODE: |
2027 | RETVAL = nreqs; |
985 | RETVAL = eio_nreqs (); |
2028 | OUTPUT: |
986 | OUTPUT: |
2029 | RETVAL |
987 | RETVAL |
2030 | |
988 | |
2031 | int |
989 | int |
2032 | nready() |
990 | nready() |
2033 | PROTOTYPE: |
991 | PROTOTYPE: |
2034 | CODE: |
992 | CODE: |
2035 | RETVAL = get_nready (); |
993 | RETVAL = eio_nready (); |
2036 | OUTPUT: |
994 | OUTPUT: |
2037 | RETVAL |
995 | RETVAL |
2038 | |
996 | |
2039 | int |
997 | int |
2040 | npending() |
998 | npending() |
2041 | PROTOTYPE: |
999 | PROTOTYPE: |
2042 | CODE: |
1000 | CODE: |
2043 | RETVAL = get_npending (); |
1001 | RETVAL = eio_npending (); |
2044 | OUTPUT: |
1002 | OUTPUT: |
2045 | RETVAL |
1003 | RETVAL |
2046 | |
1004 | |
2047 | int |
1005 | int |
2048 | nthreads() |
1006 | nthreads() |
… | |
… | |
2052 | RETVAL = started; |
1010 | RETVAL = started; |
2053 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1011 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
2054 | OUTPUT: |
1012 | OUTPUT: |
2055 | RETVAL |
1013 | RETVAL |
2056 | |
1014 | |
|
|
1015 | void _on_next_submit (SV *cb) |
|
|
1016 | CODE: |
|
|
1017 | SvREFCNT_dec (on_next_submit); |
|
|
1018 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1019 | |
2057 | PROTOTYPES: DISABLE |
1020 | PROTOTYPES: DISABLE |
2058 | |
1021 | |
2059 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1022 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2060 | |
1023 | |
2061 | void |
1024 | void |
2062 | cancel (aio_req_ornot req) |
1025 | cancel (aio_req_ornot req) |
2063 | CODE: |
1026 | CODE: |
2064 | req_cancel (req); |
1027 | eio_cancel (req); |
2065 | |
1028 | |
2066 | void |
1029 | void |
2067 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1030 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2068 | CODE: |
1031 | CODE: |
2069 | SvREFCNT_dec (req->callback); |
1032 | SvREFCNT_dec (req->callback); |
… | |
… | |
2074 | void |
1037 | void |
2075 | add (aio_req grp, ...) |
1038 | add (aio_req grp, ...) |
2076 | PPCODE: |
1039 | PPCODE: |
2077 | { |
1040 | { |
2078 | int i; |
1041 | int i; |
2079 | aio_req req; |
|
|
2080 | |
|
|
2081 | if (main_sig && !block_sig_level) |
|
|
2082 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2083 | |
1042 | |
2084 | if (grp->int1 == 2) |
1043 | if (grp->int1 == 2) |
2085 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1044 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2086 | |
1045 | |
2087 | for (i = 1; i < items; ++i ) |
1046 | for (i = 1; i < items; ++i ) |
2088 | { |
1047 | { |
|
|
1048 | aio_req req; |
|
|
1049 | |
2089 | if (GIMME_V != G_VOID) |
1050 | if (GIMME_V != G_VOID) |
2090 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1051 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2091 | |
1052 | |
2092 | req = SvAIO_REQ (ST (i)); |
1053 | req = SvAIO_REQ (ST (i)); |
2093 | |
1054 | |
2094 | if (req) |
1055 | if (req) |
2095 | { |
1056 | eio_grp_add (grp, req); |
2096 | ++grp->size; |
|
|
2097 | req->grp = grp; |
|
|
2098 | |
|
|
2099 | req->grp_prev = 0; |
|
|
2100 | req->grp_next = grp->grp_first; |
|
|
2101 | |
|
|
2102 | if (grp->grp_first) |
|
|
2103 | grp->grp_first->grp_prev = req; |
|
|
2104 | |
|
|
2105 | grp->grp_first = req; |
|
|
2106 | } |
|
|
2107 | } |
1057 | } |
2108 | } |
1058 | } |
2109 | |
1059 | |
2110 | void |
1060 | void |
2111 | cancel_subs (aio_req_ornot req) |
1061 | cancel_subs (aio_req_ornot req) |
… | |
… | |
2136 | grp->errorno = errorno; |
1086 | grp->errorno = errorno; |
2137 | |
1087 | |
2138 | void |
1088 | void |
2139 | limit (aio_req grp, int limit) |
1089 | limit (aio_req grp, int limit) |
2140 | CODE: |
1090 | CODE: |
2141 | grp->int2 = limit; |
1091 | eio_grp_limit (grp, limit); |
2142 | aio_grp_feed (grp); |
|
|
2143 | |
1092 | |
2144 | void |
1093 | void |
2145 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1094 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2146 | CODE: |
1095 | CODE: |
2147 | { |
1096 | { |
… | |
… | |
2149 | grp->sv2 = newSVsv (callback); |
1098 | grp->sv2 = newSVsv (callback); |
2150 | |
1099 | |
2151 | if (grp->int2 <= 0) |
1100 | if (grp->int2 <= 0) |
2152 | grp->int2 = 2; |
1101 | grp->int2 = 2; |
2153 | |
1102 | |
2154 | aio_grp_feed (grp); |
1103 | eio_grp_limit (grp, grp->int2); |
2155 | } |
1104 | } |
2156 | |
1105 | |