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" |
… | |
… | |
15 | #include <fcntl.h> |
15 | #include <fcntl.h> |
16 | #include <sched.h> |
16 | #include <sched.h> |
17 | |
17 | |
18 | #ifdef _WIN32 |
18 | #ifdef _WIN32 |
19 | |
19 | |
20 | # define SIGIO 0 |
20 | # define EIO_STRUCT_DIRENT Direntry_t |
21 | typedef Direntry_t X_DIRENT; |
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22 | #undef malloc |
21 | # undef malloc |
23 | #undef free |
22 | # undef free |
24 | |
23 | |
25 | // perl overrides all those nice win32 functions |
24 | // perl overrides all those nice win32 functions |
26 | # undef open |
25 | # undef open |
27 | # undef read |
26 | # undef read |
28 | # undef write |
27 | # undef write |
… | |
… | |
54 | # define closedir(fd) (errno = ENOSYS, -1) |
53 | # define closedir(fd) (errno = ENOSYS, -1) |
55 | # define mkdir(a,b) mkdir (a) |
54 | # define mkdir(a,b) mkdir (a) |
56 | |
55 | |
57 | #else |
56 | #else |
58 | |
57 | |
59 | # include "autoconf/config.h" |
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60 | # include <sys/time.h> |
58 | # include <sys/time.h> |
61 | # include <sys/select.h> |
59 | # include <sys/select.h> |
62 | # include <unistd.h> |
60 | # include <unistd.h> |
63 | # include <utime.h> |
61 | # include <utime.h> |
64 | # include <signal.h> |
62 | # include <signal.h> |
65 | typedef struct dirent X_DIRENT; |
63 | # define EIO_STRUCT_DIRENT struct dirent |
66 | |
64 | |
67 | #endif |
65 | #endif |
68 | |
66 | |
69 | #if HAVE_SENDFILE |
67 | #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 | |
68 | |
95 | /* use NV for 32 bit perls as it allows larger offsets */ |
69 | /* use NV for 32 bit perls as it allows larger offsets */ |
96 | #if IVSIZE >= 8 |
70 | #if IVSIZE >= 8 |
97 | # define SvVAL64 SvIV |
71 | # define SvVAL64 SvIV |
98 | #else |
72 | #else |
99 | # define SvVAL64 SvNV |
73 | # define SvVAL64 SvNV |
100 | #endif |
74 | #endif |
101 | |
75 | |
102 | static HV *stash; |
76 | 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 */ |
77 | 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_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 | |
78 | |
132 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
79 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
133 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
80 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
134 | |
81 | |
135 | typedef struct aio_cb |
82 | #define EIO_COMMON \ |
136 | { |
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137 | struct aio_cb *volatile next; |
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138 | |
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139 | SV *callback; |
83 | SV *callback; \ |
140 | SV *sv1, *sv2; |
84 | 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; |
85 | STRLEN stroffset; \ |
148 | int type; |
86 | 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 | |
87 | |
153 | unsigned char flags; |
88 | #include "libeio/eio.h" |
154 | unsigned char pri; |
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155 | |
89 | |
156 | SV *self; /* the perl counterpart of this request, if any */ |
90 | static int req_invoke (eio_req *req); |
157 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
91 | #define EIO_FINISH(req) req_invoke (req) |
158 | } aio_cb; |
92 | static void aio_grp_feed (eio_req *grp); |
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93 | #define EIO_FEED(req) aio_grp_feed (req) |
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94 | static void req_destroy (eio_req *grp); |
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95 | #define EIO_DESTROY(req) req_destroy (req) |
159 | |
96 | |
160 | enum { |
97 | enum { |
161 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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162 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
98 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
163 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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164 | }; |
99 | }; |
165 | |
100 | |
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101 | #include "libeio/eio.c" |
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102 | |
166 | typedef aio_cb *aio_req; |
103 | typedef eio_req *aio_req; |
167 | typedef aio_cb *aio_req_ornot; |
104 | typedef eio_req *aio_req_ornot; |
168 | |
105 | |
169 | enum { |
106 | static int max_outstanding = 0; |
170 | PRI_MIN = -4, |
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171 | PRI_MAX = 4, |
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172 | |
107 | |
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 () |
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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 () |
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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; |
108 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
225 | |
109 | |
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 }; |
110 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
272 | |
111 | |
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 () |
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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 () |
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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 () |
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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 (); |
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375 | static int req_invoke (aio_req req); |
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376 | static void req_destroy (aio_req req); |
112 | static void req_destroy (aio_req req); |
377 | static void req_cancel (aio_req req); |
113 | static void req_cancel (aio_req req); |
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114 | |
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115 | static void want_poll (void) |
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116 | { |
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117 | /* write a dummy byte to the pipe so fh becomes ready */ |
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118 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
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119 | } |
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120 | |
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121 | static void done_poll (void) |
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122 | { |
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123 | /* read any signals sent by the worker threads */ |
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124 | char buf [4]; |
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125 | while (respipe_read (respipe [0], buf, 4) == 4) |
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126 | ; |
|
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127 | } |
378 | |
128 | |
379 | /* must be called at most once */ |
129 | /* must be called at most once */ |
380 | static SV *req_sv (aio_req req, const char *klass) |
130 | static SV *req_sv (aio_req req, const char *klass) |
381 | { |
131 | { |
382 | if (!req->self) |
132 | if (!req->self) |
… | |
… | |
400 | return mg ? (aio_req)mg->mg_ptr : 0; |
150 | return mg ? (aio_req)mg->mg_ptr : 0; |
401 | } |
151 | } |
402 | |
152 | |
403 | static void aio_grp_feed (aio_req grp) |
153 | static void aio_grp_feed (aio_req grp) |
404 | { |
154 | { |
405 | block_sig (); |
155 | if (grp->sv2 && SvOK (grp->sv2)) |
406 | |
|
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407 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
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408 | { |
156 | { |
409 | int old_len = grp->size; |
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410 | |
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411 | if (grp->sv2 && SvOK (grp->sv2)) |
|
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412 | { |
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413 | dSP; |
157 | dSP; |
414 | |
158 | |
415 | ENTER; |
159 | ENTER; |
416 | SAVETMPS; |
160 | SAVETMPS; |
417 | PUSHMARK (SP); |
161 | PUSHMARK (SP); |
418 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
162 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
419 | PUTBACK; |
163 | PUTBACK; |
420 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
164 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
421 | SPAGAIN; |
165 | SPAGAIN; |
422 | FREETMPS; |
166 | FREETMPS; |
423 | LEAVE; |
167 | 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) |
|
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428 | { |
|
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429 | SvREFCNT_dec (grp->sv2); |
|
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430 | grp->sv2 = 0; |
|
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431 | break; |
|
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432 | } |
|
|
433 | } |
168 | } |
434 | |
|
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435 | unblock_sig (); |
|
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436 | } |
169 | } |
437 | |
170 | |
438 | static void aio_grp_dec (aio_req grp) |
|
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439 | { |
|
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440 | --grp->size; |
|
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441 | |
|
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442 | /* call feeder, if applicable */ |
|
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443 | aio_grp_feed (grp); |
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444 | |
|
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445 | /* finish, if done */ |
|
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446 | if (!grp->size && grp->int1) |
|
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447 | { |
|
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448 | block_sig (); |
|
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449 | |
|
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450 | if (!req_invoke (grp)) |
|
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451 | { |
|
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452 | req_destroy (grp); |
|
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453 | unblock_sig (); |
|
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454 | croak (0); |
|
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455 | } |
|
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456 | |
|
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457 | req_destroy (grp); |
|
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458 | unblock_sig (); |
|
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459 | } |
|
|
460 | } |
|
|
461 | |
|
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462 | static int req_invoke (aio_req req) |
171 | static int req_invoke (eio_req *req) |
463 | { |
172 | { |
464 | dSP; |
173 | dSP; |
465 | |
174 | |
466 | if (req->flags & FLAG_SV2_RO_OFF) |
175 | if (req->flags & FLAG_SV2_RO_OFF) |
467 | SvREADONLY_off (req->sv2); |
176 | SvREADONLY_off (req->sv2); |
468 | |
177 | |
469 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
178 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
470 | { |
179 | { |
471 | ENTER; |
180 | ENTER; |
472 | SAVETMPS; |
181 | SAVETMPS; |
473 | PUSHMARK (SP); |
182 | PUSHMARK (SP); |
474 | EXTEND (SP, 1); |
183 | EXTEND (SP, 1); |
475 | |
184 | |
476 | switch (req->type) |
185 | switch (req->type) |
477 | { |
186 | { |
478 | case REQ_READDIR: |
187 | case EIO_READDIR: |
479 | { |
188 | { |
480 | SV *rv = &PL_sv_undef; |
189 | SV *rv = &PL_sv_undef; |
481 | |
190 | |
482 | if (req->result >= 0) |
191 | if (req->result >= 0) |
483 | { |
192 | { |
… | |
… | |
500 | |
209 | |
501 | PUSHs (rv); |
210 | PUSHs (rv); |
502 | } |
211 | } |
503 | break; |
212 | break; |
504 | |
213 | |
505 | case REQ_OPEN: |
214 | case EIO_OPEN: |
506 | { |
215 | { |
507 | /* convert fd to fh */ |
216 | /* convert fd to fh */ |
508 | SV *fh = &PL_sv_undef; |
217 | SV *fh = &PL_sv_undef; |
509 | |
218 | |
510 | if (req->result >= 0) |
219 | if (req->result >= 0) |
… | |
… | |
524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
233 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
525 | req->result |
234 | req->result |
526 | ); |
235 | ); |
527 | |
236 | |
528 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
237 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
529 | fh = gv; |
238 | fh = (SV *)gv; |
530 | } |
239 | } |
531 | |
240 | |
532 | XPUSHs (fh); |
241 | PUSHs (fh); |
533 | } |
242 | } |
534 | break; |
243 | break; |
535 | |
244 | |
536 | case REQ_GROUP: |
245 | case EIO_GROUP: |
537 | req->int1 = 2; /* mark group as finished */ |
246 | req->int1 = 2; /* mark group as finished */ |
538 | |
247 | |
539 | if (req->sv1) |
248 | if (req->sv1) |
540 | { |
249 | { |
541 | int i; |
250 | int i; |
… | |
… | |
545 | for (i = 0; i <= AvFILL (av); ++i) |
254 | for (i = 0; i <= AvFILL (av); ++i) |
546 | PUSHs (*av_fetch (av, i, 0)); |
255 | PUSHs (*av_fetch (av, i, 0)); |
547 | } |
256 | } |
548 | break; |
257 | break; |
549 | |
258 | |
550 | case REQ_NOP: |
259 | case EIO_NOP: |
551 | case REQ_BUSY: |
260 | case EIO_BUSY: |
552 | break; |
261 | break; |
553 | |
262 | |
554 | case REQ_READLINK: |
263 | case EIO_READLINK: |
555 | if (req->result > 0) |
264 | if (req->result > 0) |
556 | { |
265 | { |
557 | SvCUR_set (req->sv2, req->result); |
266 | SvCUR_set (req->sv2, req->result); |
558 | *SvEND (req->sv2) = 0; |
267 | *SvEND (req->sv2) = 0; |
559 | PUSHs (req->sv2); |
268 | PUSHs (req->sv2); |
560 | } |
269 | } |
561 | break; |
270 | break; |
562 | |
271 | |
563 | case REQ_STAT: |
272 | case EIO_STAT: |
564 | case REQ_LSTAT: |
273 | case EIO_LSTAT: |
565 | case REQ_FSTAT: |
274 | case EIO_FSTAT: |
566 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
275 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
567 | PL_laststatval = req->result; |
276 | PL_laststatval = req->result; |
568 | PL_statcache = *(Stat_t *)(req->ptr2); |
277 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
569 | PUSHs (sv_2mortal (newSViv (req->result))); |
278 | PUSHs (sv_2mortal (newSViv (req->result))); |
570 | break; |
279 | break; |
571 | |
280 | |
572 | case REQ_READ: |
281 | case EIO_READ: |
573 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
282 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
574 | *SvEND (req->sv2) = 0; |
283 | *SvEND (req->sv2) = 0; |
575 | PUSHs (sv_2mortal (newSViv (req->result))); |
284 | PUSHs (sv_2mortal (newSViv (req->result))); |
576 | break; |
285 | break; |
577 | |
286 | |
|
|
287 | case EIO_DUP2: |
|
|
288 | if (req->result > 0) |
|
|
289 | req->result = 0; |
|
|
290 | /* FALLTHROUGH */ |
|
|
291 | |
578 | default: |
292 | default: |
579 | PUSHs (sv_2mortal (newSViv (req->result))); |
293 | PUSHs (sv_2mortal (newSViv (req->result))); |
580 | break; |
294 | break; |
581 | } |
295 | } |
582 | |
296 | |
583 | errno = req->errorno; |
297 | errno = req->errorno; |
584 | |
298 | |
585 | PUTBACK; |
299 | PUTBACK; |
586 | call_sv (req->callback, G_VOID | G_EVAL); |
300 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
587 | SPAGAIN; |
301 | SPAGAIN; |
588 | |
302 | |
589 | FREETMPS; |
303 | FREETMPS; |
590 | LEAVE; |
304 | LEAVE; |
|
|
305 | |
|
|
306 | PUTBACK; |
591 | } |
307 | } |
592 | |
308 | |
593 | if (req->grp) |
|
|
594 | { |
|
|
595 | aio_req grp = req->grp; |
|
|
596 | |
|
|
597 | /* unlink request */ |
|
|
598 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
599 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
600 | |
|
|
601 | if (grp->grp_first == req) |
|
|
602 | grp->grp_first = req->grp_next; |
|
|
603 | |
|
|
604 | aio_grp_dec (grp); |
|
|
605 | } |
|
|
606 | |
|
|
607 | return !SvTRUE (ERRSV); |
309 | return !!SvTRUE (ERRSV); |
608 | } |
310 | } |
609 | |
311 | |
610 | static void req_destroy (aio_req req) |
312 | static void req_destroy (aio_req req) |
611 | { |
313 | { |
612 | if (req->self) |
314 | if (req->self) |
… | |
… | |
617 | |
319 | |
618 | SvREFCNT_dec (req->sv1); |
320 | SvREFCNT_dec (req->sv1); |
619 | SvREFCNT_dec (req->sv2); |
321 | SvREFCNT_dec (req->sv2); |
620 | SvREFCNT_dec (req->callback); |
322 | SvREFCNT_dec (req->callback); |
621 | |
323 | |
622 | if (req->flags & FLAG_PTR2_FREE) |
|
|
623 | free (req->ptr2); |
|
|
624 | |
|
|
625 | Safefree (req); |
324 | Safefree (req); |
626 | } |
325 | } |
627 | |
326 | |
628 | static void req_cancel_subs (aio_req grp) |
327 | static void req_cancel_subs (aio_req grp) |
629 | { |
328 | { |
630 | aio_req sub; |
329 | aio_req sub; |
631 | |
330 | |
632 | if (grp->type != REQ_GROUP) |
331 | if (grp->type != EIO_GROUP) |
633 | return; |
332 | return; |
634 | |
333 | |
635 | SvREFCNT_dec (grp->sv2); |
334 | SvREFCNT_dec (grp->sv2); |
636 | grp->sv2 = 0; |
335 | grp->sv2 = 0; |
637 | |
336 | |
638 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
337 | eio_grp_cancel (grp); |
639 | req_cancel (sub); |
|
|
640 | } |
|
|
641 | |
|
|
642 | static void req_cancel (aio_req req) |
|
|
643 | { |
|
|
644 | req->flags |= FLAG_CANCELLED; |
|
|
645 | |
|
|
646 | req_cancel_subs (req); |
|
|
647 | } |
338 | } |
648 | |
339 | |
649 | #ifdef USE_SOCKETS_AS_HANDLES |
340 | #ifdef USE_SOCKETS_AS_HANDLES |
650 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
341 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
651 | #else |
342 | #else |
652 | # define TO_SOCKET(x) (x) |
343 | # define TO_SOCKET(x) (x) |
653 | #endif |
344 | #endif |
654 | |
345 | |
655 | static void |
346 | static void |
656 | create_respipe () |
347 | create_respipe (void) |
657 | { |
348 | { |
658 | int old_readfd = respipe [0]; |
349 | int old_readfd = respipe [0]; |
659 | |
350 | |
660 | if (respipe [1] >= 0) |
351 | if (respipe [1] >= 0) |
661 | respipe_close (TO_SOCKET (respipe [1])); |
352 | respipe_close (TO_SOCKET (respipe [1])); |
… | |
… | |
688 | |
379 | |
689 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
380 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
690 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
381 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
691 | } |
382 | } |
692 | |
383 | |
693 | X_THREAD_PROC (aio_proc); |
|
|
694 | |
|
|
695 | static void start_thread (void) |
|
|
696 | { |
|
|
697 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
698 | |
|
|
699 | if (!wrk) |
|
|
700 | croak ("unable to allocate worker thread data"); |
|
|
701 | |
|
|
702 | X_LOCK (wrklock); |
|
|
703 | |
|
|
704 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
705 | { |
|
|
706 | wrk->prev = &wrk_first; |
|
|
707 | wrk->next = wrk_first.next; |
|
|
708 | wrk_first.next->prev = wrk; |
|
|
709 | wrk_first.next = wrk; |
|
|
710 | ++started; |
|
|
711 | } |
|
|
712 | else |
|
|
713 | free (wrk); |
|
|
714 | |
|
|
715 | X_UNLOCK (wrklock); |
|
|
716 | } |
|
|
717 | |
|
|
718 | static void maybe_start_thread () |
|
|
719 | { |
|
|
720 | if (get_nthreads () >= wanted) |
|
|
721 | return; |
|
|
722 | |
|
|
723 | /* todo: maybe use idle here, but might be less exact */ |
|
|
724 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
725 | return; |
|
|
726 | |
|
|
727 | start_thread (); |
|
|
728 | } |
|
|
729 | |
|
|
730 | static void req_send (aio_req req) |
|
|
731 | { |
|
|
732 | block_sig (); |
|
|
733 | |
|
|
734 | ++nreqs; |
|
|
735 | |
|
|
736 | X_LOCK (reqlock); |
|
|
737 | ++nready; |
|
|
738 | reqq_push (&req_queue, req); |
|
|
739 | X_COND_SIGNAL (reqwait); |
|
|
740 | X_UNLOCK (reqlock); |
|
|
741 | |
|
|
742 | unblock_sig (); |
|
|
743 | |
|
|
744 | maybe_start_thread (); |
|
|
745 | } |
|
|
746 | |
|
|
747 | static void end_thread (void) |
|
|
748 | { |
|
|
749 | aio_req req; |
|
|
750 | |
|
|
751 | Newz (0, req, 1, aio_cb); |
|
|
752 | |
|
|
753 | req->type = REQ_QUIT; |
|
|
754 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
755 | |
|
|
756 | X_LOCK (reqlock); |
|
|
757 | reqq_push (&req_queue, req); |
|
|
758 | X_COND_SIGNAL (reqwait); |
|
|
759 | X_UNLOCK (reqlock); |
|
|
760 | |
|
|
761 | X_LOCK (wrklock); |
|
|
762 | --started; |
|
|
763 | X_UNLOCK (wrklock); |
|
|
764 | } |
|
|
765 | |
|
|
766 | static void set_max_idle (int nthreads) |
|
|
767 | { |
|
|
768 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
769 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
770 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
771 | } |
|
|
772 | |
|
|
773 | static void min_parallel (int nthreads) |
|
|
774 | { |
|
|
775 | if (wanted < nthreads) |
|
|
776 | wanted = nthreads; |
|
|
777 | } |
|
|
778 | |
|
|
779 | static void max_parallel (int nthreads) |
|
|
780 | { |
|
|
781 | if (wanted > nthreads) |
|
|
782 | wanted = nthreads; |
|
|
783 | |
|
|
784 | while (started > wanted) |
|
|
785 | end_thread (); |
|
|
786 | } |
|
|
787 | |
|
|
788 | static void poll_wait () |
384 | static void poll_wait (void) |
789 | { |
385 | { |
790 | fd_set rfd; |
386 | fd_set rfd; |
791 | |
387 | |
792 | while (nreqs) |
388 | while (eio_nreqs ()) |
793 | { |
389 | { |
794 | int size; |
390 | int size; |
795 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
391 | |
|
|
392 | X_LOCK (reslock); |
796 | size = res_queue.size; |
393 | size = res_queue.size; |
797 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
394 | X_UNLOCK (reslock); |
798 | |
395 | |
799 | if (size) |
396 | if (size) |
800 | return; |
397 | return; |
801 | |
398 | |
802 | maybe_start_thread (); |
399 | maybe_start_thread (); |
… | |
… | |
806 | |
403 | |
807 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
404 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
808 | } |
405 | } |
809 | } |
406 | } |
810 | |
407 | |
811 | static int poll_cb () |
408 | static int poll_cb (void) |
812 | { |
409 | { |
813 | dSP; |
410 | int res; |
814 | int count = 0; |
|
|
815 | int maxreqs = max_poll_reqs; |
|
|
816 | int do_croak = 0; |
|
|
817 | struct timeval tv_start, tv_now; |
|
|
818 | aio_req req; |
|
|
819 | |
411 | |
820 | if (max_poll_time) |
412 | do |
821 | gettimeofday (&tv_start, 0); |
|
|
822 | |
|
|
823 | block_sig (); |
|
|
824 | |
|
|
825 | for (;;) |
|
|
826 | { |
413 | { |
827 | for (;;) |
414 | res = eio_poll (); |
828 | { |
|
|
829 | maybe_start_thread (); |
|
|
830 | |
415 | |
831 | X_LOCK (reslock); |
416 | if (res > 0) |
832 | req = reqq_shift (&res_queue); |
|
|
833 | |
|
|
834 | if (req) |
|
|
835 | { |
|
|
836 | --npending; |
|
|
837 | |
|
|
838 | if (!res_queue.size) |
|
|
839 | { |
|
|
840 | /* read any signals sent by the worker threads */ |
|
|
841 | char buf [4]; |
|
|
842 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
843 | ; |
|
|
844 | } |
|
|
845 | } |
|
|
846 | |
|
|
847 | X_UNLOCK (reslock); |
|
|
848 | |
|
|
849 | if (!req) |
|
|
850 | break; |
|
|
851 | |
|
|
852 | --nreqs; |
|
|
853 | |
|
|
854 | if (req->type == REQ_GROUP && req->size) |
|
|
855 | { |
|
|
856 | req->int1 = 1; /* mark request as delayed */ |
|
|
857 | continue; |
|
|
858 | } |
|
|
859 | else |
|
|
860 | { |
|
|
861 | if (!req_invoke (req)) |
|
|
862 | { |
|
|
863 | req_destroy (req); |
|
|
864 | unblock_sig (); |
|
|
865 | croak (0); |
417 | croak (0); |
866 | } |
|
|
867 | |
|
|
868 | count++; |
|
|
869 | } |
|
|
870 | |
|
|
871 | req_destroy (req); |
|
|
872 | |
|
|
873 | if (maxreqs && !--maxreqs) |
|
|
874 | break; |
|
|
875 | |
|
|
876 | if (max_poll_time) |
|
|
877 | { |
|
|
878 | gettimeofday (&tv_now, 0); |
|
|
879 | |
|
|
880 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
881 | break; |
|
|
882 | } |
|
|
883 | } |
|
|
884 | |
|
|
885 | if (nreqs <= max_outstanding) |
|
|
886 | break; |
|
|
887 | |
|
|
888 | poll_wait (); |
|
|
889 | |
|
|
890 | ++maxreqs; |
|
|
891 | } |
418 | } |
892 | |
419 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
893 | unblock_sig (); |
|
|
894 | return count; |
|
|
895 | } |
|
|
896 | |
|
|
897 | /*****************************************************************************/ |
|
|
898 | /* work around various missing functions */ |
|
|
899 | |
|
|
900 | #if !HAVE_PREADWRITE |
|
|
901 | # define pread aio_pread |
|
|
902 | # define pwrite aio_pwrite |
|
|
903 | |
|
|
904 | /* |
|
|
905 | * make our pread/pwrite safe against themselves, but not against |
|
|
906 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
907 | * but that's your problem, not mine. |
|
|
908 | */ |
|
|
909 | static mutex_t preadwritelock = X_MUTEX_INIT; |
|
|
910 | |
|
|
911 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
912 | { |
|
|
913 | ssize_t res; |
|
|
914 | off_t ooffset; |
|
|
915 | |
|
|
916 | X_LOCK (preadwritelock); |
|
|
917 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
918 | lseek (fd, offset, SEEK_SET); |
|
|
919 | res = read (fd, buf, count); |
|
|
920 | lseek (fd, ooffset, SEEK_SET); |
|
|
921 | X_UNLOCK (preadwritelock); |
|
|
922 | |
420 | |
923 | return res; |
421 | return res; |
924 | } |
422 | } |
925 | |
423 | |
926 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
927 | { |
|
|
928 | ssize_t res; |
|
|
929 | off_t ooffset; |
|
|
930 | |
|
|
931 | X_LOCK (preadwritelock); |
|
|
932 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
933 | lseek (fd, offset, SEEK_SET); |
|
|
934 | res = write (fd, buf, count); |
|
|
935 | lseek (fd, offset, SEEK_SET); |
|
|
936 | X_UNLOCK (preadwritelock); |
|
|
937 | |
|
|
938 | return res; |
|
|
939 | } |
|
|
940 | #endif |
|
|
941 | |
|
|
942 | #ifndef HAVE_FUTIMES |
|
|
943 | |
|
|
944 | # define utimes(path,times) aio_utimes (path, times) |
|
|
945 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
946 | |
|
|
947 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
948 | { |
|
|
949 | if (times) |
|
|
950 | { |
|
|
951 | struct utimbuf buf; |
|
|
952 | |
|
|
953 | buf.actime = times[0].tv_sec; |
|
|
954 | buf.modtime = times[1].tv_sec; |
|
|
955 | |
|
|
956 | return utime (filename, &buf); |
|
|
957 | } |
|
|
958 | else |
|
|
959 | return utime (filename, 0); |
|
|
960 | } |
|
|
961 | |
|
|
962 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
963 | { |
|
|
964 | errno = ENOSYS; |
|
|
965 | return -1; |
|
|
966 | } |
|
|
967 | |
|
|
968 | #endif |
|
|
969 | |
|
|
970 | #if !HAVE_FDATASYNC |
|
|
971 | # define fdatasync fsync |
|
|
972 | #endif |
|
|
973 | |
|
|
974 | #if !HAVE_READAHEAD |
|
|
975 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
976 | |
|
|
977 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
978 | { |
|
|
979 | size_t todo = count; |
|
|
980 | dBUF; |
|
|
981 | |
|
|
982 | while (todo > 0) |
|
|
983 | { |
|
|
984 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
|
|
985 | |
|
|
986 | pread (fd, aio_buf, len, offset); |
|
|
987 | offset += len; |
|
|
988 | todo -= len; |
|
|
989 | } |
|
|
990 | |
|
|
991 | errno = 0; |
|
|
992 | return count; |
|
|
993 | } |
|
|
994 | |
|
|
995 | #endif |
|
|
996 | |
|
|
997 | #if !HAVE_READDIR_R |
|
|
998 | # define readdir_r aio_readdir_r |
|
|
999 | |
|
|
1000 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
1001 | |
|
|
1002 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
|
|
1003 | { |
|
|
1004 | X_DIRENT *e; |
|
|
1005 | int errorno; |
|
|
1006 | |
|
|
1007 | X_LOCK (readdirlock); |
|
|
1008 | |
|
|
1009 | e = readdir (dirp); |
|
|
1010 | errorno = errno; |
|
|
1011 | |
|
|
1012 | if (e) |
|
|
1013 | { |
|
|
1014 | *res = ent; |
|
|
1015 | strcpy (ent->d_name, e->d_name); |
|
|
1016 | } |
|
|
1017 | else |
|
|
1018 | *res = 0; |
|
|
1019 | |
|
|
1020 | X_UNLOCK (readdirlock); |
|
|
1021 | |
|
|
1022 | errno = errorno; |
|
|
1023 | return e ? 0 : -1; |
|
|
1024 | } |
|
|
1025 | #endif |
|
|
1026 | |
|
|
1027 | /* sendfile always needs emulation */ |
|
|
1028 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
1029 | { |
|
|
1030 | ssize_t res; |
|
|
1031 | |
|
|
1032 | if (!count) |
|
|
1033 | return 0; |
|
|
1034 | |
|
|
1035 | #if HAVE_SENDFILE |
|
|
1036 | # if __linux |
|
|
1037 | res = sendfile (ofd, ifd, &offset, count); |
|
|
1038 | |
|
|
1039 | # elif __freebsd |
|
|
1040 | /* |
|
|
1041 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
1042 | * wasted on making it similar to other I/O functions. |
|
|
1043 | */ |
|
|
1044 | { |
|
|
1045 | off_t sbytes; |
|
|
1046 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
1047 | |
|
|
1048 | if (res < 0 && sbytes) |
|
|
1049 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
1050 | res = sbytes; |
|
|
1051 | } |
|
|
1052 | |
|
|
1053 | # elif __hpux |
|
|
1054 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
1055 | |
|
|
1056 | # elif __solaris |
|
|
1057 | { |
|
|
1058 | struct sendfilevec vec; |
|
|
1059 | size_t sbytes; |
|
|
1060 | |
|
|
1061 | vec.sfv_fd = ifd; |
|
|
1062 | vec.sfv_flag = 0; |
|
|
1063 | vec.sfv_off = offset; |
|
|
1064 | vec.sfv_len = count; |
|
|
1065 | |
|
|
1066 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
1067 | |
|
|
1068 | if (res < 0 && sbytes) |
|
|
1069 | res = sbytes; |
|
|
1070 | } |
|
|
1071 | |
|
|
1072 | # endif |
|
|
1073 | #else |
|
|
1074 | res = -1; |
|
|
1075 | errno = ENOSYS; |
|
|
1076 | #endif |
|
|
1077 | |
|
|
1078 | if (res < 0 |
|
|
1079 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1080 | #if __solaris |
|
|
1081 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1082 | #endif |
|
|
1083 | ) |
|
|
1084 | ) |
|
|
1085 | { |
|
|
1086 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1087 | dBUF; |
|
|
1088 | |
|
|
1089 | res = 0; |
|
|
1090 | |
|
|
1091 | while (count) |
|
|
1092 | { |
|
|
1093 | ssize_t cnt; |
|
|
1094 | |
|
|
1095 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1096 | |
|
|
1097 | if (cnt <= 0) |
|
|
1098 | { |
|
|
1099 | if (cnt && !res) res = -1; |
|
|
1100 | break; |
|
|
1101 | } |
|
|
1102 | |
|
|
1103 | cnt = write (ofd, aio_buf, cnt); |
|
|
1104 | |
|
|
1105 | if (cnt <= 0) |
|
|
1106 | { |
|
|
1107 | if (cnt && !res) res = -1; |
|
|
1108 | break; |
|
|
1109 | } |
|
|
1110 | |
|
|
1111 | offset += cnt; |
|
|
1112 | res += cnt; |
|
|
1113 | count -= cnt; |
|
|
1114 | } |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | return res; |
|
|
1118 | } |
|
|
1119 | |
|
|
1120 | /* read a full directory */ |
|
|
1121 | static void scandir_ (aio_req req, worker *self) |
|
|
1122 | { |
|
|
1123 | DIR *dirp; |
|
|
1124 | union |
|
|
1125 | { |
|
|
1126 | X_DIRENT d; |
|
|
1127 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
1128 | } *u; |
|
|
1129 | X_DIRENT *entp; |
|
|
1130 | char *name, *names; |
|
|
1131 | int memlen = 4096; |
|
|
1132 | int memofs = 0; |
|
|
1133 | int res = 0; |
|
|
1134 | |
|
|
1135 | X_LOCK (wrklock); |
|
|
1136 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1137 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1138 | req->flags |= FLAG_PTR2_FREE; |
|
|
1139 | req->ptr2 = names = malloc (memlen); |
|
|
1140 | X_UNLOCK (wrklock); |
|
|
1141 | |
|
|
1142 | if (dirp && u && names) |
|
|
1143 | for (;;) |
|
|
1144 | { |
|
|
1145 | errno = 0; |
|
|
1146 | readdir_r (dirp, &u->d, &entp); |
|
|
1147 | |
|
|
1148 | if (!entp) |
|
|
1149 | break; |
|
|
1150 | |
|
|
1151 | name = entp->d_name; |
|
|
1152 | |
|
|
1153 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1154 | { |
|
|
1155 | int len = strlen (name) + 1; |
|
|
1156 | |
|
|
1157 | res++; |
|
|
1158 | |
|
|
1159 | while (memofs + len > memlen) |
|
|
1160 | { |
|
|
1161 | memlen *= 2; |
|
|
1162 | X_LOCK (wrklock); |
|
|
1163 | req->ptr2 = names = realloc (names, memlen); |
|
|
1164 | X_UNLOCK (wrklock); |
|
|
1165 | |
|
|
1166 | if (!names) |
|
|
1167 | break; |
|
|
1168 | } |
|
|
1169 | |
|
|
1170 | memcpy (names + memofs, name, len); |
|
|
1171 | memofs += len; |
|
|
1172 | } |
|
|
1173 | } |
|
|
1174 | |
|
|
1175 | if (errno) |
|
|
1176 | res = -1; |
|
|
1177 | |
|
|
1178 | req->result = res; |
|
|
1179 | } |
|
|
1180 | |
|
|
1181 | /*****************************************************************************/ |
|
|
1182 | |
|
|
1183 | X_THREAD_PROC (aio_proc) |
|
|
1184 | { |
|
|
1185 | {//D |
|
|
1186 | aio_req req; |
|
|
1187 | struct timespec ts; |
|
|
1188 | worker *self = (worker *)thr_arg; |
|
|
1189 | |
|
|
1190 | /* try to distribute timeouts somewhat randomly */ |
|
|
1191 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1192 | |
|
|
1193 | for (;;) |
|
|
1194 | { |
|
|
1195 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1196 | |
|
|
1197 | X_LOCK (reqlock); |
|
|
1198 | |
|
|
1199 | for (;;) |
|
|
1200 | { |
|
|
1201 | self->req = req = reqq_shift (&req_queue); |
|
|
1202 | |
|
|
1203 | if (req) |
|
|
1204 | break; |
|
|
1205 | |
|
|
1206 | ++idle; |
|
|
1207 | |
|
|
1208 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1209 | == ETIMEDOUT) |
|
|
1210 | { |
|
|
1211 | if (idle > max_idle) |
|
|
1212 | { |
|
|
1213 | --idle; |
|
|
1214 | X_UNLOCK (reqlock); |
|
|
1215 | X_LOCK (wrklock); |
|
|
1216 | --started; |
|
|
1217 | X_UNLOCK (wrklock); |
|
|
1218 | goto quit; |
|
|
1219 | } |
|
|
1220 | |
|
|
1221 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1222 | X_COND_WAIT (reqwait, reqlock); |
|
|
1223 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1224 | } |
|
|
1225 | |
|
|
1226 | --idle; |
|
|
1227 | } |
|
|
1228 | |
|
|
1229 | --nready; |
|
|
1230 | |
|
|
1231 | X_UNLOCK (reqlock); |
|
|
1232 | |
|
|
1233 | errno = 0; /* strictly unnecessary */ |
|
|
1234 | |
|
|
1235 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1236 | switch (req->type) |
|
|
1237 | { |
|
|
1238 | case REQ_READ: req->result = req->offs >= 0 |
|
|
1239 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1240 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1241 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1242 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1243 | : write (req->int1, req->ptr1, req->size); break; |
|
|
1244 | |
|
|
1245 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1246 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1247 | |
|
|
1248 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1249 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1250 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1251 | |
|
|
1252 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1253 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1254 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1255 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1256 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1257 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1258 | |
|
|
1259 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1260 | case REQ_CLOSE: req->result = PerlIO_close ((PerlIO *)req->ptr1); break; |
|
|
1261 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1262 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1263 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1264 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1265 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1266 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1267 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1268 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1269 | |
|
|
1270 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1271 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1272 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1273 | |
|
|
1274 | case REQ_BUSY: |
|
|
1275 | #ifdef _WIN32 |
|
|
1276 | Sleep (req->nv1 * 1000.); |
|
|
1277 | #else |
|
|
1278 | { |
|
|
1279 | struct timeval tv; |
|
|
1280 | |
|
|
1281 | tv.tv_sec = req->nv1; |
|
|
1282 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1283 | |
|
|
1284 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1285 | } |
|
|
1286 | #endif |
|
|
1287 | break; |
|
|
1288 | |
|
|
1289 | case REQ_UTIME: |
|
|
1290 | case REQ_FUTIME: |
|
|
1291 | { |
|
|
1292 | struct timeval tv[2]; |
|
|
1293 | struct timeval *times; |
|
|
1294 | |
|
|
1295 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1296 | { |
|
|
1297 | tv[0].tv_sec = req->nv1; |
|
|
1298 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1299 | tv[1].tv_sec = req->nv2; |
|
|
1300 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1301 | |
|
|
1302 | times = tv; |
|
|
1303 | } |
|
|
1304 | else |
|
|
1305 | times = 0; |
|
|
1306 | |
|
|
1307 | |
|
|
1308 | req->result = req->type == REQ_FUTIME |
|
|
1309 | ? futimes (req->int1, times) |
|
|
1310 | : utimes (req->ptr1, times); |
|
|
1311 | } |
|
|
1312 | |
|
|
1313 | case REQ_GROUP: |
|
|
1314 | case REQ_NOP: |
|
|
1315 | break; |
|
|
1316 | |
|
|
1317 | case REQ_QUIT: |
|
|
1318 | goto quit; |
|
|
1319 | |
|
|
1320 | default: |
|
|
1321 | req->result = -1; |
|
|
1322 | break; |
|
|
1323 | } |
|
|
1324 | |
|
|
1325 | req->errorno = errno; |
|
|
1326 | |
|
|
1327 | X_LOCK (reslock); |
|
|
1328 | |
|
|
1329 | ++npending; |
|
|
1330 | |
|
|
1331 | if (!reqq_push (&res_queue, req)) |
|
|
1332 | { |
|
|
1333 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1334 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1335 | |
|
|
1336 | /* optionally signal the main thread asynchronously */ |
|
|
1337 | if (main_sig) |
|
|
1338 | pthread_kill (main_tid, main_sig); |
|
|
1339 | } |
|
|
1340 | |
|
|
1341 | self->req = 0; |
|
|
1342 | worker_clear (self); |
|
|
1343 | |
|
|
1344 | X_UNLOCK (reslock); |
|
|
1345 | } |
|
|
1346 | |
|
|
1347 | quit: |
|
|
1348 | X_LOCK (wrklock); |
|
|
1349 | worker_free (self); |
|
|
1350 | X_UNLOCK (wrklock); |
|
|
1351 | |
|
|
1352 | return 0; |
|
|
1353 | }//D |
|
|
1354 | } |
|
|
1355 | |
|
|
1356 | /*****************************************************************************/ |
|
|
1357 | |
|
|
1358 | static void atfork_prepare (void) |
|
|
1359 | { |
|
|
1360 | X_LOCK (wrklock); |
|
|
1361 | X_LOCK (reqlock); |
|
|
1362 | X_LOCK (reslock); |
|
|
1363 | #if !HAVE_PREADWRITE |
|
|
1364 | X_LOCK (preadwritelock); |
|
|
1365 | #endif |
|
|
1366 | #if !HAVE_READDIR_R |
|
|
1367 | X_LOCK (readdirlock); |
|
|
1368 | #endif |
|
|
1369 | } |
|
|
1370 | |
|
|
1371 | static void atfork_parent (void) |
|
|
1372 | { |
|
|
1373 | #if !HAVE_READDIR_R |
|
|
1374 | X_UNLOCK (readdirlock); |
|
|
1375 | #endif |
|
|
1376 | #if !HAVE_PREADWRITE |
|
|
1377 | X_UNLOCK (preadwritelock); |
|
|
1378 | #endif |
|
|
1379 | X_UNLOCK (reslock); |
|
|
1380 | X_UNLOCK (reqlock); |
|
|
1381 | X_UNLOCK (wrklock); |
|
|
1382 | } |
|
|
1383 | |
|
|
1384 | static void atfork_child (void) |
424 | static void atfork_child (void) |
1385 | { |
425 | { |
1386 | aio_req prv; |
|
|
1387 | |
|
|
1388 | while (prv = reqq_shift (&req_queue)) |
|
|
1389 | req_destroy (prv); |
|
|
1390 | |
|
|
1391 | while (prv = reqq_shift (&res_queue)) |
|
|
1392 | req_destroy (prv); |
|
|
1393 | |
|
|
1394 | while (wrk_first.next != &wrk_first) |
|
|
1395 | { |
|
|
1396 | worker *wrk = wrk_first.next; |
|
|
1397 | |
|
|
1398 | if (wrk->req) |
|
|
1399 | req_destroy (wrk->req); |
|
|
1400 | |
|
|
1401 | worker_clear (wrk); |
|
|
1402 | worker_free (wrk); |
|
|
1403 | } |
|
|
1404 | |
|
|
1405 | started = 0; |
|
|
1406 | idle = 0; |
|
|
1407 | nreqs = 0; |
|
|
1408 | nready = 0; |
|
|
1409 | npending = 0; |
|
|
1410 | |
|
|
1411 | create_respipe (); |
426 | create_respipe (); |
1412 | |
|
|
1413 | atfork_parent (); |
|
|
1414 | } |
427 | } |
1415 | |
428 | |
1416 | #define dREQ \ |
429 | #define dREQ \ |
1417 | aio_req req; \ |
430 | aio_req req; \ |
1418 | int req_pri = next_pri; \ |
431 | int req_pri = next_pri; \ |
1419 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
432 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
1420 | \ |
433 | \ |
1421 | if (SvOK (callback) && !SvROK (callback)) \ |
434 | if (SvOK (callback) && !SvROK (callback)) \ |
1422 | croak ("callback must be undef or of reference type"); \ |
435 | croak ("callback must be undef or of reference type"); \ |
1423 | \ |
436 | \ |
1424 | Newz (0, req, 1, aio_cb); \ |
437 | Newz (0, req, 1, eio_req); \ |
1425 | if (!req) \ |
438 | if (!req) \ |
1426 | croak ("out of memory during aio_req allocation"); \ |
439 | croak ("out of memory during eio_req allocation"); \ |
1427 | \ |
440 | \ |
1428 | req->callback = newSVsv (callback); \ |
441 | req->callback = newSVsv (callback); \ |
1429 | req->pri = req_pri |
442 | req->pri = req_pri |
1430 | |
443 | |
1431 | #define REQ_SEND \ |
444 | #define REQ_SEND \ |
1432 | req_send (req); \ |
445 | eio_submit (req); \ |
1433 | \ |
446 | \ |
1434 | if (GIMME_V != G_VOID) \ |
447 | if (GIMME_V != G_VOID) \ |
1435 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
448 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1436 | |
449 | |
1437 | MODULE = IO::AIO PACKAGE = IO::AIO |
450 | MODULE = IO::AIO PACKAGE = IO::AIO |
… | |
… | |
1456 | X_MUTEX_CHECK (readdirlock); |
469 | X_MUTEX_CHECK (readdirlock); |
1457 | |
470 | |
1458 | X_COND_CHECK (reqwait); |
471 | X_COND_CHECK (reqwait); |
1459 | #else |
472 | #else |
1460 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
473 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1461 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1462 | #endif |
474 | #endif |
1463 | |
475 | |
1464 | create_respipe (); |
476 | create_respipe (); |
1465 | |
477 | |
1466 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
478 | if (eio_init (want_poll, done_poll) < 0) |
|
|
479 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
480 | |
|
|
481 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
482 | X_THREAD_ATFORK (0, 0, atfork_child); |
1467 | } |
483 | } |
1468 | |
484 | |
1469 | void |
485 | void |
1470 | max_poll_reqs (int nreqs) |
486 | max_poll_reqs (int nreqs) |
1471 | PROTOTYPE: $ |
487 | PROTOTYPE: $ |
1472 | CODE: |
488 | CODE: |
1473 | max_poll_reqs = nreqs; |
489 | eio_set_max_poll_reqs (nreqs); |
1474 | |
490 | |
1475 | void |
491 | void |
1476 | max_poll_time (double nseconds) |
492 | max_poll_time (double nseconds) |
1477 | PROTOTYPE: $ |
493 | PROTOTYPE: $ |
1478 | CODE: |
494 | CODE: |
1479 | max_poll_time = nseconds * AIO_TICKS; |
495 | eio_set_max_poll_time (nseconds); |
1480 | |
496 | |
1481 | void |
497 | void |
1482 | min_parallel (int nthreads) |
498 | min_parallel (int nthreads) |
1483 | PROTOTYPE: $ |
499 | PROTOTYPE: $ |
|
|
500 | CODE: |
|
|
501 | eio_set_min_parallel (nthreads); |
1484 | |
502 | |
1485 | void |
503 | void |
1486 | max_parallel (int nthreads) |
504 | max_parallel (int nthreads) |
1487 | PROTOTYPE: $ |
505 | PROTOTYPE: $ |
|
|
506 | CODE: |
|
|
507 | eio_set_max_parallel (nthreads); |
1488 | |
508 | |
1489 | void |
509 | void |
1490 | max_idle (int nthreads) |
510 | max_idle (int nthreads) |
1491 | PROTOTYPE: $ |
511 | PROTOTYPE: $ |
1492 | CODE: |
512 | CODE: |
1493 | set_max_idle (nthreads); |
513 | eio_set_max_idle (nthreads); |
1494 | |
514 | |
1495 | int |
515 | void |
1496 | max_outstanding (int maxreqs) |
516 | max_outstanding (int maxreqs) |
1497 | PROTOTYPE: $ |
517 | PROTOTYPE: $ |
1498 | CODE: |
518 | CODE: |
1499 | RETVAL = max_outstanding; |
|
|
1500 | max_outstanding = maxreqs; |
519 | max_outstanding = maxreqs; |
1501 | OUTPUT: |
|
|
1502 | RETVAL |
|
|
1503 | |
520 | |
1504 | void |
521 | void |
1505 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
522 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1506 | PROTOTYPE: $$$;$ |
523 | PROTOTYPE: $$$;$ |
1507 | PPCODE: |
524 | PPCODE: |
1508 | { |
525 | { |
1509 | dREQ; |
526 | dREQ; |
1510 | |
527 | |
1511 | req->type = REQ_OPEN; |
528 | req->type = EIO_OPEN; |
1512 | req->sv1 = newSVsv (pathname); |
529 | req->sv1 = newSVsv (pathname); |
1513 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
530 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1514 | req->int1 = flags; |
531 | req->int1 = flags; |
1515 | req->mode = mode; |
532 | req->int2 = mode; |
1516 | |
533 | |
1517 | REQ_SEND; |
534 | REQ_SEND; |
1518 | } |
535 | } |
1519 | |
536 | |
1520 | void |
537 | void |
1521 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
538 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1522 | PROTOTYPE: $;$ |
539 | PROTOTYPE: $;$ |
1523 | ALIAS: |
540 | ALIAS: |
1524 | aio_fsync = REQ_FSYNC |
541 | aio_fsync = EIO_FSYNC |
1525 | aio_fdatasync = REQ_FDATASYNC |
542 | aio_fdatasync = EIO_FDATASYNC |
1526 | PPCODE: |
543 | PPCODE: |
1527 | { |
544 | { |
1528 | dREQ; |
545 | dREQ; |
1529 | |
546 | |
1530 | req->type = ix; |
547 | req->type = ix; |
… | |
… | |
1537 | void |
554 | void |
1538 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
555 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1539 | PROTOTYPE: $;$ |
556 | PROTOTYPE: $;$ |
1540 | PPCODE: |
557 | PPCODE: |
1541 | { |
558 | { |
1542 | PerlIO *io = IoIFP (sv_2io (fh)); |
559 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
1543 | int fd = PerlIO_fileno (io); |
|
|
1544 | |
|
|
1545 | if (fd < 0) |
|
|
1546 | croak ("aio_close called with fd-less filehandle"); |
|
|
1547 | |
|
|
1548 | PerlIO_binmode (io, 0, 0, 0); |
|
|
1549 | |
|
|
1550 | { |
|
|
1551 | dREQ; |
560 | dREQ; |
1552 | |
561 | |
|
|
562 | if (close_pipe < 0) |
|
|
563 | { |
|
|
564 | int pipefd [2]; |
|
|
565 | |
|
|
566 | if (pipe (pipefd) < 0 |
|
|
567 | || close (pipefd [1]) < 0 |
|
|
568 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
569 | abort (); /*D*/ |
|
|
570 | |
|
|
571 | close_pipe = pipefd [0]; |
|
|
572 | } |
|
|
573 | |
1553 | req->type = REQ_CLOSE; |
574 | req->type = EIO_DUP2; |
|
|
575 | req->int1 = close_pipe; |
1554 | req->sv1 = newSVsv (fh); |
576 | req->sv2 = newSVsv (fh); |
1555 | req->ptr1 = (void *)io; |
577 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1556 | |
578 | |
1557 | REQ_SEND (req); |
579 | REQ_SEND (req); |
1558 | } |
|
|
1559 | } |
580 | } |
1560 | |
581 | |
1561 | void |
582 | void |
1562 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
583 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1563 | ALIAS: |
584 | ALIAS: |
1564 | aio_read = REQ_READ |
585 | aio_read = EIO_READ |
1565 | aio_write = REQ_WRITE |
586 | aio_write = EIO_WRITE |
1566 | PROTOTYPE: $$$$$;$ |
587 | PROTOTYPE: $$$$$;$ |
1567 | PPCODE: |
588 | PPCODE: |
1568 | { |
589 | { |
1569 | STRLEN svlen; |
590 | STRLEN svlen; |
1570 | char *svptr = SvPVbyte (data, svlen); |
591 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
1577 | dataoffset += svlen; |
598 | dataoffset += svlen; |
1578 | |
599 | |
1579 | if (dataoffset < 0 || dataoffset > svlen) |
600 | if (dataoffset < 0 || dataoffset > svlen) |
1580 | croak ("dataoffset outside of data scalar"); |
601 | croak ("dataoffset outside of data scalar"); |
1581 | |
602 | |
1582 | if (ix == REQ_WRITE) |
603 | if (ix == EIO_WRITE) |
1583 | { |
604 | { |
1584 | /* write: check length and adjust. */ |
605 | /* write: check length and adjust. */ |
1585 | if (!SvOK (length) || len + dataoffset > svlen) |
606 | if (!SvOK (length) || len + dataoffset > svlen) |
1586 | len = svlen - dataoffset; |
607 | len = svlen - dataoffset; |
1587 | } |
608 | } |
… | |
… | |
1597 | { |
618 | { |
1598 | dREQ; |
619 | dREQ; |
1599 | |
620 | |
1600 | req->type = ix; |
621 | req->type = ix; |
1601 | req->sv1 = newSVsv (fh); |
622 | req->sv1 = newSVsv (fh); |
1602 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
623 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
1603 | : IoOFP (sv_2io (fh))); |
624 | : IoOFP (sv_2io (fh))); |
1604 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
625 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1605 | req->size = len; |
626 | req->size = len; |
1606 | req->sv2 = SvREFCNT_inc (data); |
627 | req->sv2 = SvREFCNT_inc (data); |
1607 | req->ptr1 = (char *)svptr + dataoffset; |
628 | req->ptr2 = (char *)svptr + dataoffset; |
1608 | req->stroffset = dataoffset; |
629 | req->stroffset = dataoffset; |
1609 | |
630 | |
1610 | if (!SvREADONLY (data)) |
631 | if (!SvREADONLY (data)) |
1611 | { |
632 | { |
1612 | SvREADONLY_on (data); |
633 | SvREADONLY_on (data); |
… | |
… | |
1626 | dREQ; |
647 | dREQ; |
1627 | |
648 | |
1628 | data = newSV (NAME_MAX); |
649 | data = newSV (NAME_MAX); |
1629 | SvPOK_on (data); |
650 | SvPOK_on (data); |
1630 | |
651 | |
1631 | req->type = REQ_READLINK; |
652 | req->type = EIO_READLINK; |
1632 | req->sv1 = newSVsv (path); |
653 | req->sv1 = newSVsv (path); |
1633 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
654 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1634 | req->sv2 = data; |
655 | req->sv2 = data; |
1635 | req->ptr1 = SvPVbyte_nolen (data); |
656 | req->ptr2 = SvPVbyte_nolen (data); |
1636 | |
657 | |
1637 | REQ_SEND; |
658 | REQ_SEND; |
1638 | } |
659 | } |
1639 | |
660 | |
1640 | void |
661 | void |
… | |
… | |
1642 | PROTOTYPE: $$$$;$ |
663 | PROTOTYPE: $$$$;$ |
1643 | PPCODE: |
664 | PPCODE: |
1644 | { |
665 | { |
1645 | dREQ; |
666 | dREQ; |
1646 | |
667 | |
1647 | req->type = REQ_SENDFILE; |
668 | req->type = EIO_SENDFILE; |
1648 | req->sv1 = newSVsv (out_fh); |
669 | req->sv1 = newSVsv (out_fh); |
1649 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
670 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1650 | req->sv2 = newSVsv (in_fh); |
671 | req->sv2 = newSVsv (in_fh); |
1651 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
672 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1652 | req->offs = SvVAL64 (in_offset); |
673 | req->offs = SvVAL64 (in_offset); |
… | |
… | |
1660 | PROTOTYPE: $$$;$ |
681 | PROTOTYPE: $$$;$ |
1661 | PPCODE: |
682 | PPCODE: |
1662 | { |
683 | { |
1663 | dREQ; |
684 | dREQ; |
1664 | |
685 | |
1665 | req->type = REQ_READAHEAD; |
686 | req->type = EIO_READAHEAD; |
1666 | req->sv1 = newSVsv (fh); |
687 | req->sv1 = newSVsv (fh); |
1667 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
688 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1668 | req->offs = SvVAL64 (offset); |
689 | req->offs = SvVAL64 (offset); |
1669 | req->size = length; |
690 | req->size = length; |
1670 | |
691 | |
… | |
… | |
1672 | } |
693 | } |
1673 | |
694 | |
1674 | void |
695 | void |
1675 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
696 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1676 | ALIAS: |
697 | ALIAS: |
1677 | aio_stat = REQ_STAT |
698 | aio_stat = EIO_STAT |
1678 | aio_lstat = REQ_LSTAT |
699 | aio_lstat = EIO_LSTAT |
1679 | PPCODE: |
700 | PPCODE: |
1680 | { |
701 | { |
1681 | dREQ; |
702 | dREQ; |
1682 | |
703 | |
1683 | req->ptr2 = malloc (sizeof (Stat_t)); |
704 | req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
1684 | if (!req->ptr2) |
705 | if (!req->ptr2) |
1685 | { |
706 | { |
1686 | req_destroy (req); |
707 | req_destroy (req); |
1687 | croak ("out of memory during aio_stat statdata allocation"); |
708 | croak ("out of memory during aio_stat statdata allocation"); |
1688 | } |
709 | } |
1689 | |
710 | |
1690 | req->flags |= FLAG_PTR2_FREE; |
711 | req->flags |= EIO_FLAG_PTR2_FREE; |
1691 | req->sv1 = newSVsv (fh_or_path); |
712 | req->sv1 = newSVsv (fh_or_path); |
1692 | |
713 | |
1693 | if (SvPOK (fh_or_path)) |
714 | if (SvPOK (fh_or_path)) |
1694 | { |
715 | { |
1695 | req->type = ix; |
716 | req->type = ix; |
1696 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
717 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1697 | } |
718 | } |
1698 | else |
719 | else |
1699 | { |
720 | { |
1700 | req->type = REQ_FSTAT; |
721 | req->type = EIO_FSTAT; |
1701 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
722 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1702 | } |
723 | } |
1703 | |
724 | |
1704 | REQ_SEND; |
725 | REQ_SEND; |
1705 | } |
726 | } |
… | |
… | |
1714 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
735 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1715 | req->sv1 = newSVsv (fh_or_path); |
736 | req->sv1 = newSVsv (fh_or_path); |
1716 | |
737 | |
1717 | if (SvPOK (fh_or_path)) |
738 | if (SvPOK (fh_or_path)) |
1718 | { |
739 | { |
1719 | req->type = REQ_UTIME; |
740 | req->type = EIO_UTIME; |
1720 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
741 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1721 | } |
742 | } |
1722 | else |
743 | else |
1723 | { |
744 | { |
1724 | req->type = REQ_FUTIME; |
745 | req->type = EIO_FUTIME; |
1725 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
746 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1726 | } |
747 | } |
1727 | |
748 | |
1728 | REQ_SEND; |
749 | REQ_SEND; |
1729 | } |
750 | } |
… | |
… | |
1737 | req->sv1 = newSVsv (fh_or_path); |
758 | req->sv1 = newSVsv (fh_or_path); |
1738 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
759 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1739 | |
760 | |
1740 | if (SvPOK (fh_or_path)) |
761 | if (SvPOK (fh_or_path)) |
1741 | { |
762 | { |
1742 | req->type = REQ_TRUNCATE; |
763 | req->type = EIO_TRUNCATE; |
1743 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
764 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1744 | } |
765 | } |
1745 | else |
766 | else |
1746 | { |
767 | { |
1747 | req->type = REQ_FTRUNCATE; |
768 | req->type = EIO_FTRUNCATE; |
1748 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
769 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1749 | } |
770 | } |
1750 | |
771 | |
1751 | REQ_SEND; |
772 | REQ_SEND; |
1752 | } |
773 | } |
1753 | |
774 | |
1754 | void |
775 | void |
1755 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
776 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
777 | ALIAS: |
|
|
778 | aio_chmod = EIO_CHMOD |
|
|
779 | aio_fchmod = EIO_FCHMOD |
|
|
780 | aio_mkdir = EIO_MKDIR |
1756 | PPCODE: |
781 | PPCODE: |
1757 | { |
782 | { |
1758 | dREQ; |
783 | dREQ; |
1759 | |
784 | |
|
|
785 | req->type = ix; |
1760 | req->mode = mode; |
786 | req->int2 = mode; |
1761 | req->sv1 = newSVsv (fh_or_path); |
787 | req->sv1 = newSVsv (fh_or_path); |
1762 | |
788 | |
1763 | if (SvPOK (fh_or_path)) |
789 | if (ix == EIO_FCHMOD) |
1764 | { |
790 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1765 | req->type = REQ_CHMOD; |
|
|
1766 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1767 | } |
|
|
1768 | else |
791 | else |
1769 | { |
792 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1770 | req->type = REQ_FCHMOD; |
|
|
1771 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1772 | } |
|
|
1773 | |
793 | |
1774 | REQ_SEND; |
794 | REQ_SEND; |
1775 | } |
795 | } |
1776 | |
796 | |
1777 | void |
797 | void |
… | |
… | |
1784 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
804 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1785 | req->sv1 = newSVsv (fh_or_path); |
805 | req->sv1 = newSVsv (fh_or_path); |
1786 | |
806 | |
1787 | if (SvPOK (fh_or_path)) |
807 | if (SvPOK (fh_or_path)) |
1788 | { |
808 | { |
1789 | req->type = REQ_CHOWN; |
809 | req->type = EIO_CHOWN; |
1790 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
810 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1791 | } |
811 | } |
1792 | else |
812 | else |
1793 | { |
813 | { |
1794 | req->type = REQ_FCHOWN; |
814 | req->type = EIO_FCHOWN; |
1795 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
815 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1796 | } |
816 | } |
1797 | |
817 | |
1798 | REQ_SEND; |
818 | REQ_SEND; |
1799 | } |
819 | } |
1800 | |
820 | |
1801 | void |
821 | void |
1802 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
822 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1803 | ALIAS: |
823 | ALIAS: |
1804 | aio_unlink = REQ_UNLINK |
824 | aio_unlink = EIO_UNLINK |
1805 | aio_rmdir = REQ_RMDIR |
825 | aio_rmdir = EIO_RMDIR |
1806 | aio_readdir = REQ_READDIR |
826 | aio_readdir = EIO_READDIR |
1807 | PPCODE: |
827 | PPCODE: |
1808 | { |
828 | { |
1809 | dREQ; |
829 | dREQ; |
1810 | |
830 | |
1811 | req->type = ix; |
831 | req->type = ix; |
… | |
… | |
1814 | |
834 | |
1815 | REQ_SEND; |
835 | REQ_SEND; |
1816 | } |
836 | } |
1817 | |
837 | |
1818 | void |
838 | void |
1819 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
839 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
840 | ALIAS: |
|
|
841 | aio_link = EIO_LINK |
|
|
842 | aio_symlink = EIO_SYMLINK |
|
|
843 | aio_rename = EIO_RENAME |
1820 | PPCODE: |
844 | PPCODE: |
1821 | { |
845 | { |
1822 | dREQ; |
846 | dREQ; |
1823 | |
847 | |
|
|
848 | req->type = ix; |
|
|
849 | req->sv1 = newSVsv (oldpath); |
|
|
850 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
851 | req->sv2 = newSVsv (newpath); |
|
|
852 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
853 | |
|
|
854 | REQ_SEND; |
|
|
855 | } |
|
|
856 | |
|
|
857 | void |
|
|
858 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
859 | PPCODE: |
|
|
860 | { |
|
|
861 | dREQ; |
|
|
862 | |
1824 | req->type = REQ_MKDIR; |
863 | req->type = EIO_MKNOD; |
1825 | req->sv1 = newSVsv (pathname); |
864 | req->sv1 = newSVsv (pathname); |
1826 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
865 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1827 | req->mode = mode; |
|
|
1828 | |
|
|
1829 | REQ_SEND; |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | void |
|
|
1833 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1834 | ALIAS: |
|
|
1835 | aio_link = REQ_LINK |
|
|
1836 | aio_symlink = REQ_SYMLINK |
|
|
1837 | aio_rename = REQ_RENAME |
|
|
1838 | PPCODE: |
|
|
1839 | { |
|
|
1840 | dREQ; |
|
|
1841 | |
|
|
1842 | req->type = ix; |
|
|
1843 | req->sv2 = newSVsv (oldpath); |
|
|
1844 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1845 | req->sv1 = newSVsv (newpath); |
|
|
1846 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1847 | |
|
|
1848 | REQ_SEND; |
|
|
1849 | } |
|
|
1850 | |
|
|
1851 | void |
|
|
1852 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1853 | PPCODE: |
|
|
1854 | { |
|
|
1855 | dREQ; |
|
|
1856 | |
|
|
1857 | req->type = REQ_MKNOD; |
|
|
1858 | req->sv1 = newSVsv (pathname); |
|
|
1859 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1860 | req->mode = (mode_t)mode; |
866 | req->int2 = (mode_t)mode; |
1861 | req->offs = dev; |
867 | req->offs = dev; |
1862 | |
868 | |
1863 | REQ_SEND; |
869 | REQ_SEND; |
1864 | } |
870 | } |
1865 | |
871 | |
… | |
… | |
1867 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
873 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1868 | PPCODE: |
874 | PPCODE: |
1869 | { |
875 | { |
1870 | dREQ; |
876 | dREQ; |
1871 | |
877 | |
1872 | req->type = REQ_BUSY; |
878 | req->type = EIO_BUSY; |
1873 | req->nv1 = delay < 0. ? 0. : delay; |
879 | req->nv1 = delay < 0. ? 0. : delay; |
1874 | |
880 | |
1875 | REQ_SEND; |
881 | REQ_SEND; |
1876 | } |
882 | } |
1877 | |
883 | |
… | |
… | |
1880 | PROTOTYPE: ;$ |
886 | PROTOTYPE: ;$ |
1881 | PPCODE: |
887 | PPCODE: |
1882 | { |
888 | { |
1883 | dREQ; |
889 | dREQ; |
1884 | |
890 | |
1885 | req->type = REQ_GROUP; |
891 | req->type = EIO_GROUP; |
1886 | |
892 | |
1887 | req_send (req); |
893 | eio_submit (req); |
1888 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1889 | } |
895 | } |
1890 | |
896 | |
1891 | void |
897 | void |
1892 | aio_nop (SV *callback=&PL_sv_undef) |
898 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
899 | ALIAS: |
|
|
900 | aio_nop = EIO_NOP |
|
|
901 | aio_sync = EIO_SYNC |
1893 | PPCODE: |
902 | PPCODE: |
1894 | { |
903 | { |
1895 | dREQ; |
904 | dREQ; |
1896 | |
905 | |
1897 | req->type = REQ_NOP; |
906 | req->type = ix; |
1898 | |
907 | |
1899 | REQ_SEND; |
908 | REQ_SEND; |
1900 | } |
909 | } |
1901 | |
910 | |
1902 | int |
911 | int |
1903 | aioreq_pri (int pri = 0) |
912 | aioreq_pri (int pri = 0) |
1904 | PROTOTYPE: ;$ |
913 | PROTOTYPE: ;$ |
1905 | CODE: |
914 | CODE: |
1906 | RETVAL = next_pri - PRI_BIAS; |
915 | RETVAL = next_pri - EIO_PRI_BIAS; |
1907 | if (items > 0) |
916 | if (items > 0) |
1908 | { |
917 | { |
1909 | if (pri < PRI_MIN) pri = PRI_MIN; |
918 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1910 | if (pri > PRI_MAX) pri = PRI_MAX; |
919 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1911 | next_pri = pri + PRI_BIAS; |
920 | next_pri = pri + EIO_PRI_BIAS; |
1912 | } |
921 | } |
1913 | OUTPUT: |
922 | OUTPUT: |
1914 | RETVAL |
923 | RETVAL |
1915 | |
924 | |
1916 | void |
925 | void |
1917 | aioreq_nice (int nice = 0) |
926 | aioreq_nice (int nice = 0) |
1918 | CODE: |
927 | CODE: |
1919 | nice = next_pri - nice; |
928 | nice = next_pri - nice; |
1920 | if (nice < PRI_MIN) nice = PRI_MIN; |
929 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1921 | if (nice > PRI_MAX) nice = PRI_MAX; |
930 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1922 | next_pri = nice + PRI_BIAS; |
931 | next_pri = nice + EIO_PRI_BIAS; |
1923 | |
932 | |
1924 | void |
933 | void |
1925 | flush () |
934 | flush () |
1926 | PROTOTYPE: |
935 | PROTOTYPE: |
1927 | CODE: |
936 | CODE: |
1928 | while (nreqs) |
937 | while (eio_nreqs ()) |
1929 | { |
938 | { |
1930 | poll_wait (); |
939 | poll_wait (); |
1931 | poll_cb (); |
940 | poll_cb (); |
1932 | } |
941 | } |
1933 | |
942 | |
… | |
… | |
1960 | poll_wait() |
969 | poll_wait() |
1961 | PROTOTYPE: |
970 | PROTOTYPE: |
1962 | CODE: |
971 | CODE: |
1963 | poll_wait (); |
972 | poll_wait (); |
1964 | |
973 | |
1965 | void |
|
|
1966 | setsig (int signum = SIGIO) |
|
|
1967 | PROTOTYPE: ;$ |
|
|
1968 | CODE: |
|
|
1969 | { |
|
|
1970 | if (block_sig_level) |
|
|
1971 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1972 | |
|
|
1973 | X_LOCK (reslock); |
|
|
1974 | main_tid = pthread_self (); |
|
|
1975 | main_sig = signum; |
|
|
1976 | X_UNLOCK (reslock); |
|
|
1977 | |
|
|
1978 | if (main_sig && npending) |
|
|
1979 | pthread_kill (main_tid, main_sig); |
|
|
1980 | } |
|
|
1981 | |
|
|
1982 | void |
|
|
1983 | aio_block (SV *cb) |
|
|
1984 | PROTOTYPE: & |
|
|
1985 | PPCODE: |
|
|
1986 | { |
|
|
1987 | int count; |
|
|
1988 | |
|
|
1989 | block_sig (); |
|
|
1990 | PUSHMARK (SP); |
|
|
1991 | PUTBACK; |
|
|
1992 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1993 | SPAGAIN; |
|
|
1994 | unblock_sig (); |
|
|
1995 | |
|
|
1996 | if (SvTRUE (ERRSV)) |
|
|
1997 | croak (0); |
|
|
1998 | |
|
|
1999 | XSRETURN (count); |
|
|
2000 | } |
|
|
2001 | |
|
|
2002 | int |
974 | int |
2003 | nreqs() |
975 | nreqs() |
2004 | PROTOTYPE: |
976 | PROTOTYPE: |
2005 | CODE: |
977 | CODE: |
2006 | RETVAL = nreqs; |
978 | RETVAL = eio_nreqs (); |
2007 | OUTPUT: |
979 | OUTPUT: |
2008 | RETVAL |
980 | RETVAL |
2009 | |
981 | |
2010 | int |
982 | int |
2011 | nready() |
983 | nready() |
2012 | PROTOTYPE: |
984 | PROTOTYPE: |
2013 | CODE: |
985 | CODE: |
2014 | RETVAL = get_nready (); |
986 | RETVAL = eio_nready (); |
2015 | OUTPUT: |
987 | OUTPUT: |
2016 | RETVAL |
988 | RETVAL |
2017 | |
989 | |
2018 | int |
990 | int |
2019 | npending() |
991 | npending() |
2020 | PROTOTYPE: |
992 | PROTOTYPE: |
2021 | CODE: |
993 | CODE: |
2022 | RETVAL = get_npending (); |
994 | RETVAL = eio_npending (); |
2023 | OUTPUT: |
995 | OUTPUT: |
2024 | RETVAL |
996 | RETVAL |
2025 | |
997 | |
2026 | int |
998 | int |
2027 | nthreads() |
999 | nthreads() |
… | |
… | |
2038 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1010 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2039 | |
1011 | |
2040 | void |
1012 | void |
2041 | cancel (aio_req_ornot req) |
1013 | cancel (aio_req_ornot req) |
2042 | CODE: |
1014 | CODE: |
2043 | req_cancel (req); |
1015 | eio_cancel (req); |
2044 | |
1016 | |
2045 | void |
1017 | void |
2046 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1018 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2047 | CODE: |
1019 | CODE: |
2048 | SvREFCNT_dec (req->callback); |
1020 | SvREFCNT_dec (req->callback); |
… | |
… | |
2053 | void |
1025 | void |
2054 | add (aio_req grp, ...) |
1026 | add (aio_req grp, ...) |
2055 | PPCODE: |
1027 | PPCODE: |
2056 | { |
1028 | { |
2057 | int i; |
1029 | int i; |
2058 | aio_req req; |
|
|
2059 | |
|
|
2060 | if (main_sig && !block_sig_level) |
|
|
2061 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2062 | |
1030 | |
2063 | if (grp->int1 == 2) |
1031 | if (grp->int1 == 2) |
2064 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1032 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2065 | |
1033 | |
2066 | for (i = 1; i < items; ++i ) |
1034 | for (i = 1; i < items; ++i ) |
2067 | { |
1035 | { |
|
|
1036 | aio_req req; |
|
|
1037 | |
2068 | if (GIMME_V != G_VOID) |
1038 | if (GIMME_V != G_VOID) |
2069 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1039 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2070 | |
1040 | |
2071 | req = SvAIO_REQ (ST (i)); |
1041 | req = SvAIO_REQ (ST (i)); |
2072 | |
1042 | |
2073 | if (req) |
1043 | if (req) |
2074 | { |
1044 | eio_grp_add (grp, req); |
2075 | ++grp->size; |
|
|
2076 | req->grp = grp; |
|
|
2077 | |
|
|
2078 | req->grp_prev = 0; |
|
|
2079 | req->grp_next = grp->grp_first; |
|
|
2080 | |
|
|
2081 | if (grp->grp_first) |
|
|
2082 | grp->grp_first->grp_prev = req; |
|
|
2083 | |
|
|
2084 | grp->grp_first = req; |
|
|
2085 | } |
|
|
2086 | } |
1045 | } |
2087 | } |
1046 | } |
2088 | |
1047 | |
2089 | void |
1048 | void |
2090 | cancel_subs (aio_req_ornot req) |
1049 | cancel_subs (aio_req_ornot req) |
… | |
… | |
2115 | grp->errorno = errorno; |
1074 | grp->errorno = errorno; |
2116 | |
1075 | |
2117 | void |
1076 | void |
2118 | limit (aio_req grp, int limit) |
1077 | limit (aio_req grp, int limit) |
2119 | CODE: |
1078 | CODE: |
2120 | grp->int2 = limit; |
1079 | eio_grp_limit (grp, limit); |
2121 | aio_grp_feed (grp); |
|
|
2122 | |
1080 | |
2123 | void |
1081 | void |
2124 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1082 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2125 | CODE: |
1083 | CODE: |
2126 | { |
1084 | { |
… | |
… | |
2128 | grp->sv2 = newSVsv (callback); |
1086 | grp->sv2 = newSVsv (callback); |
2129 | |
1087 | |
2130 | if (grp->int2 <= 0) |
1088 | if (grp->int2 <= 0) |
2131 | grp->int2 = 2; |
1089 | grp->int2 = 2; |
2132 | |
1090 | |
2133 | aio_grp_feed (grp); |
1091 | eio_grp_limit (grp, grp->int2); |
2134 | } |
1092 | } |
2135 | |
1093 | |