1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | #define _REENTRANT 1 |
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9 | |
2 | |
10 | #include <errno.h> |
3 | #include <errno.h> |
11 | |
4 | |
12 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
13 | #include "perl.h" |
6 | #include "perl.h" |
14 | #include "XSUB.h" |
7 | #include "XSUB.h" |
15 | |
8 | |
16 | #include "autoconf/config.h" |
9 | #include "autoconf/config.h" |
17 | |
10 | |
18 | #include <pthread.h> |
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19 | |
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20 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
21 | #include <errno.h> |
13 | #include <errno.h> |
22 | #include <sys/time.h> |
14 | #include <sys/time.h> |
23 | #include <sys/select.h> |
15 | #include <sys/select.h> |
24 | #include <sys/types.h> |
16 | #include <sys/types.h> |
25 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
26 | #include <limits.h> |
18 | #include <limits.h> |
27 | #include <unistd.h> |
19 | #include <unistd.h> |
28 | #include <fcntl.h> |
20 | #include <fcntl.h> |
29 | #include <signal.h> |
21 | #include <signal.h> |
30 | #include <sched.h> |
22 | #include <sched.h> |
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23 | #include <utime.h> |
31 | |
24 | |
32 | #if HAVE_SENDFILE |
25 | #if HAVE_SENDFILE |
33 | # if __linux |
26 | # if __linux |
34 | # include <sys/sendfile.h> |
27 | # include <sys/sendfile.h> |
35 | # elif __freebsd |
28 | # elif __freebsd |
… | |
… | |
42 | # else |
35 | # else |
43 | # error sendfile support requested but not available |
36 | # error sendfile support requested but not available |
44 | # endif |
37 | # endif |
45 | #endif |
38 | #endif |
46 | |
39 | |
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40 | /* number of seconds after which idle threads exit */ |
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41 | #define IDLE_TIMEOUT 10 |
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42 | |
47 | /* used for struct dirent, AIX doesn't provide it */ |
43 | /* used for struct dirent, AIX doesn't provide it */ |
48 | #ifndef NAME_MAX |
44 | #ifndef NAME_MAX |
49 | # define NAME_MAX 4096 |
45 | # define NAME_MAX 4096 |
50 | #endif |
46 | #endif |
51 | |
47 | |
52 | #if __ia64 |
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53 | # define STACKSIZE 65536 |
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54 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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55 | # define STACKSIZE PTHREAD_STACK_MIN |
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56 | #else |
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57 | # define STACKSIZE 16384 |
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58 | #endif |
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59 | |
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60 | /* buffer size for various temporary buffers */ |
48 | /* buffer size for various temporary buffers */ |
61 | #define AIO_BUFSIZE 65536 |
49 | #define AIO_BUFSIZE 65536 |
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50 | |
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51 | /* use NV for 32 bit perls as it allows larger offsets */ |
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52 | #if IVSIZE >= 8 |
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53 | # define SvVAL64 SvIV |
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54 | #else |
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55 | # define SvVAL64 SvNV |
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56 | #endif |
62 | |
57 | |
63 | #define dBUF \ |
58 | #define dBUF \ |
64 | char *aio_buf; \ |
59 | char *aio_buf; \ |
65 | LOCK (wrklock); \ |
60 | LOCK (wrklock); \ |
66 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
61 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
67 | UNLOCK (wrklock); \ |
62 | UNLOCK (wrklock); \ |
68 | if (!aio_buf) \ |
63 | if (!aio_buf) \ |
69 | return -1; |
64 | return -1; |
70 | |
65 | |
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66 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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67 | |
71 | enum { |
68 | enum { |
72 | REQ_QUIT, |
69 | REQ_QUIT, |
73 | REQ_OPEN, REQ_CLOSE, |
70 | REQ_OPEN, REQ_CLOSE, |
74 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
71 | REQ_READ, REQ_WRITE, |
75 | REQ_SENDFILE, |
72 | REQ_READAHEAD, REQ_SENDFILE, |
76 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
73 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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74 | REQ_UTIME, REQ_FUTIME, |
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75 | REQ_CHMOD, REQ_FCHMOD, |
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76 | REQ_CHOWN, REQ_FCHOWN, |
77 | REQ_FSYNC, REQ_FDATASYNC, |
77 | REQ_FSYNC, REQ_FDATASYNC, |
78 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
78 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
79 | REQ_READDIR, |
79 | REQ_MKNOD, REQ_READDIR, |
80 | REQ_LINK, REQ_SYMLINK, |
80 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
81 | REQ_GROUP, REQ_NOP, |
81 | REQ_GROUP, REQ_NOP, |
82 | REQ_BUSY, |
82 | REQ_BUSY, |
83 | }; |
83 | }; |
84 | |
84 | |
85 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
85 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
… | |
87 | |
87 | |
88 | typedef struct aio_cb |
88 | typedef struct aio_cb |
89 | { |
89 | { |
90 | struct aio_cb *volatile next; |
90 | struct aio_cb *volatile next; |
91 | |
91 | |
92 | SV *data, *callback; |
92 | SV *callback; |
93 | SV *fh, *fh2; |
93 | SV *sv1, *sv2; |
94 | void *dataptr, *data2ptr; |
94 | void *ptr1, *ptr2; |
95 | Stat_t *statdata; |
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96 | off_t offset; |
95 | off_t offs; |
97 | size_t length; |
96 | size_t size; |
98 | ssize_t result; |
97 | ssize_t result; |
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98 | double nv1, nv2; |
99 | |
99 | |
100 | STRLEN dataoffset; |
100 | STRLEN stroffset; |
101 | int type; |
101 | int type; |
102 | int fd, fd2; |
102 | int int1, int2, int3; |
103 | int errorno; |
103 | int errorno; |
104 | mode_t mode; /* open */ |
104 | mode_t mode; /* open */ |
105 | |
105 | |
106 | unsigned char flags; |
106 | unsigned char flags; |
107 | unsigned char pri; |
107 | unsigned char pri; |
… | |
… | |
109 | SV *self; /* the perl counterpart of this request, if any */ |
109 | SV *self; /* the perl counterpart of this request, if any */ |
110 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
110 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
111 | } aio_cb; |
111 | } aio_cb; |
112 | |
112 | |
113 | enum { |
113 | enum { |
114 | FLAG_CANCELLED = 0x01, |
114 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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115 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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116 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
115 | }; |
117 | }; |
116 | |
118 | |
117 | typedef aio_cb *aio_req; |
119 | typedef aio_cb *aio_req; |
118 | typedef aio_cb *aio_req_ornot; |
120 | typedef aio_cb *aio_req_ornot; |
119 | |
121 | |
… | |
… | |
124 | DEFAULT_PRI = 0, |
126 | DEFAULT_PRI = 0, |
125 | PRI_BIAS = -PRI_MIN, |
127 | PRI_BIAS = -PRI_MIN, |
126 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
128 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
127 | }; |
129 | }; |
128 | |
130 | |
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131 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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132 | |
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133 | static unsigned int max_poll_time = 0; |
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134 | static unsigned int max_poll_reqs = 0; |
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135 | |
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136 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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137 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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138 | { |
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139 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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140 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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141 | } |
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142 | |
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143 | static thread_t main_tid; |
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144 | static int main_sig; |
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145 | static int block_sig_level; |
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146 | |
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147 | void block_sig () |
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148 | { |
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149 | sigset_t ss; |
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150 | |
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151 | if (block_sig_level++) |
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152 | return; |
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153 | |
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154 | if (!main_sig) |
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155 | return; |
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156 | |
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157 | sigemptyset (&ss); |
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158 | sigaddset (&ss, main_sig); |
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159 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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160 | } |
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161 | |
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162 | void unblock_sig () |
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163 | { |
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164 | sigset_t ss; |
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165 | |
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166 | if (--block_sig_level) |
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167 | return; |
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168 | |
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169 | if (!main_sig) |
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170 | return; |
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171 | |
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172 | sigemptyset (&ss); |
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173 | sigaddset (&ss, main_sig); |
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174 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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175 | } |
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176 | |
129 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
177 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
130 | |
178 | |
131 | static int started, wanted; |
179 | static unsigned int started, idle, wanted; |
132 | static volatile int nreqs; |
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133 | static int respipe [2]; |
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134 | |
180 | |
135 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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136 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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137 | #else |
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138 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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139 | #endif |
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140 | |
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141 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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142 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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143 | |
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144 | /* worker threasd management */ |
181 | /* worker threads management */ |
145 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
182 | static mutex_t wrklock = MUTEX_INIT; |
146 | |
183 | |
147 | typedef struct worker { |
184 | typedef struct worker { |
148 | /* locked by wrklock */ |
185 | /* locked by wrklock */ |
149 | struct worker *prev, *next; |
186 | struct worker *prev, *next; |
150 | |
187 | |
151 | pthread_t tid; |
188 | thread_t tid; |
152 | |
189 | |
153 | /* locked by reslock, reqlock or wrklock */ |
190 | /* locked by reslock, reqlock or wrklock */ |
154 | aio_req req; /* currently processed request */ |
191 | aio_req req; /* currently processed request */ |
155 | void *dbuf; |
192 | void *dbuf; |
156 | DIR *dirp; |
193 | DIR *dirp; |
… | |
… | |
179 | wrk->prev->next = wrk->next; |
216 | wrk->prev->next = wrk->next; |
180 | |
217 | |
181 | free (wrk); |
218 | free (wrk); |
182 | } |
219 | } |
183 | |
220 | |
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221 | static volatile unsigned int nreqs, nready, npending; |
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222 | static volatile unsigned int max_idle = 4; |
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223 | static volatile unsigned int max_outstanding = 0xffffffff; |
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224 | static int respipe [2]; |
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225 | |
184 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
226 | static mutex_t reslock = MUTEX_INIT; |
185 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
227 | static mutex_t reqlock = MUTEX_INIT; |
186 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
228 | static cond_t reqwait = COND_INIT; |
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229 | |
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230 | #if WORDACCESS_UNSAFE |
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231 | |
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232 | static unsigned int get_nready () |
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233 | { |
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234 | unsigned int retval; |
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235 | |
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236 | LOCK (reqlock); |
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237 | retval = nready; |
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238 | UNLOCK (reqlock); |
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239 | |
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240 | return retval; |
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241 | } |
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242 | |
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243 | static unsigned int get_npending () |
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244 | { |
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245 | unsigned int retval; |
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246 | |
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247 | LOCK (reslock); |
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248 | retval = npending; |
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249 | UNLOCK (reslock); |
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250 | |
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251 | return retval; |
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252 | } |
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253 | |
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254 | static unsigned int get_nthreads () |
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255 | { |
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256 | unsigned int retval; |
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257 | |
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258 | LOCK (wrklock); |
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259 | retval = started; |
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260 | UNLOCK (wrklock); |
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261 | |
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262 | return retval; |
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263 | } |
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264 | |
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265 | #else |
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266 | |
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267 | # define get_nready() nready |
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268 | # define get_npending() npending |
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269 | # define get_nthreads() started |
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270 | |
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271 | #endif |
187 | |
272 | |
188 | /* |
273 | /* |
189 | * a somewhat faster data structure might be nice, but |
274 | * a somewhat faster data structure might be nice, but |
190 | * with 8 priorities this actually needs <20 insns |
275 | * with 8 priorities this actually needs <20 insns |
191 | * per shift, the most expensive operation. |
276 | * per shift, the most expensive operation. |
… | |
… | |
238 | |
323 | |
239 | abort (); |
324 | abort (); |
240 | } |
325 | } |
241 | |
326 | |
242 | static int poll_cb (); |
327 | static int poll_cb (); |
243 | static void req_invoke (aio_req req); |
328 | static int req_invoke (aio_req req); |
244 | static void req_free (aio_req req); |
329 | static void req_destroy (aio_req req); |
245 | static void req_cancel (aio_req req); |
330 | static void req_cancel (aio_req req); |
246 | |
331 | |
247 | /* must be called at most once */ |
332 | /* must be called at most once */ |
248 | static SV *req_sv (aio_req req, const char *klass) |
333 | static SV *req_sv (aio_req req, const char *klass) |
249 | { |
334 | { |
… | |
… | |
268 | return mg ? (aio_req)mg->mg_ptr : 0; |
353 | return mg ? (aio_req)mg->mg_ptr : 0; |
269 | } |
354 | } |
270 | |
355 | |
271 | static void aio_grp_feed (aio_req grp) |
356 | static void aio_grp_feed (aio_req grp) |
272 | { |
357 | { |
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358 | block_sig (); |
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359 | |
273 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
360 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
274 | { |
361 | { |
275 | int old_len = grp->length; |
362 | int old_len = grp->size; |
276 | |
363 | |
277 | if (grp->fh2 && SvOK (grp->fh2)) |
364 | if (grp->sv2 && SvOK (grp->sv2)) |
278 | { |
365 | { |
279 | dSP; |
366 | dSP; |
280 | |
367 | |
281 | ENTER; |
368 | ENTER; |
282 | SAVETMPS; |
369 | SAVETMPS; |
283 | PUSHMARK (SP); |
370 | PUSHMARK (SP); |
284 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
371 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
285 | PUTBACK; |
372 | PUTBACK; |
286 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
373 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
287 | SPAGAIN; |
374 | SPAGAIN; |
288 | FREETMPS; |
375 | FREETMPS; |
289 | LEAVE; |
376 | LEAVE; |
290 | } |
377 | } |
291 | |
378 | |
292 | /* stop if no progress has been made */ |
379 | /* stop if no progress has been made */ |
293 | if (old_len == grp->length) |
380 | if (old_len == grp->size) |
294 | { |
381 | { |
295 | SvREFCNT_dec (grp->fh2); |
382 | SvREFCNT_dec (grp->sv2); |
296 | grp->fh2 = 0; |
383 | grp->sv2 = 0; |
297 | break; |
384 | break; |
298 | } |
385 | } |
299 | } |
386 | } |
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387 | |
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388 | unblock_sig (); |
300 | } |
389 | } |
301 | |
390 | |
302 | static void aio_grp_dec (aio_req grp) |
391 | static void aio_grp_dec (aio_req grp) |
303 | { |
392 | { |
304 | --grp->length; |
393 | --grp->size; |
305 | |
394 | |
306 | /* call feeder, if applicable */ |
395 | /* call feeder, if applicable */ |
307 | aio_grp_feed (grp); |
396 | aio_grp_feed (grp); |
308 | |
397 | |
309 | /* finish, if done */ |
398 | /* finish, if done */ |
310 | if (!grp->length && grp->fd) |
399 | if (!grp->size && grp->int1) |
311 | { |
400 | { |
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401 | block_sig (); |
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402 | |
312 | req_invoke (grp); |
403 | if (!req_invoke (grp)) |
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404 | { |
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405 | req_destroy (grp); |
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406 | unblock_sig (); |
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407 | croak (0); |
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408 | } |
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409 | |
313 | req_free (grp); |
410 | req_destroy (grp); |
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411 | unblock_sig (); |
314 | } |
412 | } |
315 | } |
413 | } |
316 | |
414 | |
317 | static void poll_wait () |
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318 | { |
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319 | fd_set rfd; |
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320 | |
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321 | while (nreqs) |
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322 | { |
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323 | int size; |
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324 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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325 | LOCK (reslock); |
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326 | #endif |
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327 | size = res_queue.size; |
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328 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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329 | UNLOCK (reslock); |
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330 | #endif |
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331 | |
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332 | if (size) |
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333 | return; |
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334 | |
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335 | FD_ZERO(&rfd); |
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336 | FD_SET(respipe [0], &rfd); |
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337 | |
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338 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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339 | } |
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340 | } |
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341 | |
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342 | static void req_invoke (aio_req req) |
415 | static int req_invoke (aio_req req) |
343 | { |
416 | { |
344 | dSP; |
417 | dSP; |
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418 | |
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419 | if (req->flags & FLAG_SV2_RO_OFF) |
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420 | SvREADONLY_off (req->sv2); |
345 | |
421 | |
346 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
422 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
347 | { |
423 | { |
348 | errno = req->errorno; |
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349 | |
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350 | ENTER; |
424 | ENTER; |
351 | SAVETMPS; |
425 | SAVETMPS; |
352 | PUSHMARK (SP); |
426 | PUSHMARK (SP); |
353 | EXTEND (SP, 1); |
427 | EXTEND (SP, 1); |
354 | |
428 | |
… | |
… | |
359 | SV *rv = &PL_sv_undef; |
433 | SV *rv = &PL_sv_undef; |
360 | |
434 | |
361 | if (req->result >= 0) |
435 | if (req->result >= 0) |
362 | { |
436 | { |
363 | int i; |
437 | int i; |
364 | char *buf = req->data2ptr; |
438 | char *buf = req->ptr2; |
365 | AV *av = newAV (); |
439 | AV *av = newAV (); |
366 | |
440 | |
367 | av_extend (av, req->result - 1); |
441 | av_extend (av, req->result - 1); |
368 | |
442 | |
369 | for (i = 0; i < req->result; ++i) |
443 | for (i = 0; i < req->result; ++i) |
… | |
… | |
389 | PUSHs (sv_2mortal (newSViv (req->result))); |
463 | PUSHs (sv_2mortal (newSViv (req->result))); |
390 | PUTBACK; |
464 | PUTBACK; |
391 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
465 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
392 | SPAGAIN; |
466 | SPAGAIN; |
393 | |
467 | |
394 | fh = SvREFCNT_inc (POPs); |
468 | fh = POPs; |
395 | |
|
|
396 | PUSHMARK (SP); |
469 | PUSHMARK (SP); |
397 | XPUSHs (sv_2mortal (fh)); |
470 | XPUSHs (fh); |
398 | } |
471 | } |
399 | break; |
472 | break; |
400 | |
473 | |
401 | case REQ_GROUP: |
474 | case REQ_GROUP: |
402 | req->fd = 2; /* mark group as finished */ |
475 | req->int1 = 2; /* mark group as finished */ |
403 | |
476 | |
404 | if (req->data) |
477 | if (req->sv1) |
405 | { |
478 | { |
406 | int i; |
479 | int i; |
407 | AV *av = (AV *)req->data; |
480 | AV *av = (AV *)req->sv1; |
408 | |
481 | |
409 | EXTEND (SP, AvFILL (av) + 1); |
482 | EXTEND (SP, AvFILL (av) + 1); |
410 | for (i = 0; i <= AvFILL (av); ++i) |
483 | for (i = 0; i <= AvFILL (av); ++i) |
411 | PUSHs (*av_fetch (av, i, 0)); |
484 | PUSHs (*av_fetch (av, i, 0)); |
412 | } |
485 | } |
… | |
… | |
414 | |
487 | |
415 | case REQ_NOP: |
488 | case REQ_NOP: |
416 | case REQ_BUSY: |
489 | case REQ_BUSY: |
417 | break; |
490 | break; |
418 | |
491 | |
|
|
492 | case REQ_READLINK: |
|
|
493 | if (req->result > 0) |
|
|
494 | { |
|
|
495 | SvCUR_set (req->sv2, req->result); |
|
|
496 | *SvEND (req->sv2) = 0; |
|
|
497 | PUSHs (req->sv2); |
|
|
498 | } |
|
|
499 | break; |
|
|
500 | |
|
|
501 | case REQ_STAT: |
|
|
502 | case REQ_LSTAT: |
|
|
503 | case REQ_FSTAT: |
|
|
504 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
505 | PL_laststatval = req->result; |
|
|
506 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
507 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
508 | break; |
|
|
509 | |
|
|
510 | case REQ_READ: |
|
|
511 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
512 | *SvEND (req->sv2) = 0; |
|
|
513 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
514 | break; |
|
|
515 | |
419 | default: |
516 | default: |
420 | PUSHs (sv_2mortal (newSViv (req->result))); |
517 | PUSHs (sv_2mortal (newSViv (req->result))); |
421 | break; |
518 | break; |
422 | } |
519 | } |
423 | |
520 | |
|
|
521 | errno = req->errorno; |
424 | |
522 | |
425 | PUTBACK; |
523 | PUTBACK; |
426 | call_sv (req->callback, G_VOID | G_EVAL); |
524 | call_sv (req->callback, G_VOID | G_EVAL); |
427 | SPAGAIN; |
525 | SPAGAIN; |
428 | |
526 | |
… | |
… | |
442 | grp->grp_first = req->grp_next; |
540 | grp->grp_first = req->grp_next; |
443 | |
541 | |
444 | aio_grp_dec (grp); |
542 | aio_grp_dec (grp); |
445 | } |
543 | } |
446 | |
544 | |
447 | if (SvTRUE (ERRSV)) |
545 | return !SvTRUE (ERRSV); |
448 | { |
|
|
449 | req_free (req); |
|
|
450 | croak (0); |
|
|
451 | } |
|
|
452 | } |
546 | } |
453 | |
547 | |
454 | static void req_free (aio_req req) |
548 | static void req_destroy (aio_req req) |
455 | { |
549 | { |
456 | if (req->self) |
550 | if (req->self) |
457 | { |
551 | { |
458 | sv_unmagic (req->self, PERL_MAGIC_ext); |
552 | sv_unmagic (req->self, PERL_MAGIC_ext); |
459 | SvREFCNT_dec (req->self); |
553 | SvREFCNT_dec (req->self); |
460 | } |
554 | } |
461 | |
555 | |
462 | SvREFCNT_dec (req->data); |
|
|
463 | SvREFCNT_dec (req->fh); |
556 | SvREFCNT_dec (req->sv1); |
464 | SvREFCNT_dec (req->fh2); |
557 | SvREFCNT_dec (req->sv2); |
465 | SvREFCNT_dec (req->callback); |
558 | SvREFCNT_dec (req->callback); |
466 | Safefree (req->statdata); |
|
|
467 | |
559 | |
468 | if (req->type == REQ_READDIR) |
560 | if (req->flags & FLAG_PTR2_FREE) |
469 | free (req->data2ptr); |
561 | free (req->ptr2); |
470 | |
562 | |
471 | Safefree (req); |
563 | Safefree (req); |
472 | } |
564 | } |
473 | |
565 | |
474 | static void req_cancel_subs (aio_req grp) |
566 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
476 | aio_req sub; |
568 | aio_req sub; |
477 | |
569 | |
478 | if (grp->type != REQ_GROUP) |
570 | if (grp->type != REQ_GROUP) |
479 | return; |
571 | return; |
480 | |
572 | |
481 | SvREFCNT_dec (grp->fh2); |
573 | SvREFCNT_dec (grp->sv2); |
482 | grp->fh2 = 0; |
574 | grp->sv2 = 0; |
483 | |
575 | |
484 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
576 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
485 | req_cancel (sub); |
577 | req_cancel (sub); |
486 | } |
578 | } |
487 | |
579 | |
… | |
… | |
490 | req->flags |= FLAG_CANCELLED; |
582 | req->flags |= FLAG_CANCELLED; |
491 | |
583 | |
492 | req_cancel_subs (req); |
584 | req_cancel_subs (req); |
493 | } |
585 | } |
494 | |
586 | |
495 | static int poll_cb () |
|
|
496 | { |
|
|
497 | dSP; |
|
|
498 | int count = 0; |
|
|
499 | int do_croak = 0; |
|
|
500 | aio_req req; |
|
|
501 | |
|
|
502 | for (;;) |
|
|
503 | { |
|
|
504 | LOCK (reslock); |
|
|
505 | req = reqq_shift (&res_queue); |
|
|
506 | |
|
|
507 | if (req) |
|
|
508 | { |
|
|
509 | if (!res_queue.size) |
|
|
510 | { |
|
|
511 | /* read any signals sent by the worker threads */ |
|
|
512 | char buf [32]; |
|
|
513 | while (read (respipe [0], buf, 32) == 32) |
|
|
514 | ; |
|
|
515 | } |
|
|
516 | } |
|
|
517 | |
|
|
518 | UNLOCK (reslock); |
|
|
519 | |
|
|
520 | if (!req) |
|
|
521 | break; |
|
|
522 | |
|
|
523 | --nreqs; |
|
|
524 | |
|
|
525 | if (req->type == REQ_QUIT) |
|
|
526 | started--; |
|
|
527 | else if (req->type == REQ_GROUP && req->length) |
|
|
528 | { |
|
|
529 | req->fd = 1; /* mark request as delayed */ |
|
|
530 | continue; |
|
|
531 | } |
|
|
532 | else |
|
|
533 | { |
|
|
534 | if (req->type == REQ_READ) |
|
|
535 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
536 | |
|
|
537 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
538 | SvREADONLY_off (req->data); |
|
|
539 | |
|
|
540 | if (req->statdata) |
|
|
541 | { |
|
|
542 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
543 | PL_laststatval = req->result; |
|
|
544 | PL_statcache = *(req->statdata); |
|
|
545 | } |
|
|
546 | |
|
|
547 | req_invoke (req); |
|
|
548 | |
|
|
549 | count++; |
|
|
550 | } |
|
|
551 | |
|
|
552 | req_free (req); |
|
|
553 | } |
|
|
554 | |
|
|
555 | return count; |
|
|
556 | } |
|
|
557 | |
|
|
558 | static void *aio_proc(void *arg); |
587 | static void *aio_proc (void *arg); |
559 | |
588 | |
560 | static void start_thread (void) |
589 | static void start_thread (void) |
561 | { |
590 | { |
562 | sigset_t fullsigset, oldsigset; |
|
|
563 | pthread_attr_t attr; |
|
|
564 | |
|
|
565 | worker *wrk = calloc (1, sizeof (worker)); |
591 | worker *wrk = calloc (1, sizeof (worker)); |
566 | |
592 | |
567 | if (!wrk) |
593 | if (!wrk) |
568 | croak ("unable to allocate worker thread data"); |
594 | croak ("unable to allocate worker thread data"); |
569 | |
595 | |
570 | pthread_attr_init (&attr); |
|
|
571 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
572 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
573 | |
|
|
574 | sigfillset (&fullsigset); |
|
|
575 | |
|
|
576 | LOCK (wrklock); |
596 | LOCK (wrklock); |
577 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
578 | |
597 | |
579 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
598 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
580 | { |
599 | { |
581 | wrk->prev = &wrk_first; |
600 | wrk->prev = &wrk_first; |
582 | wrk->next = wrk_first.next; |
601 | wrk->next = wrk_first.next; |
583 | wrk_first.next->prev = wrk; |
602 | wrk_first.next->prev = wrk; |
584 | wrk_first.next = wrk; |
603 | wrk_first.next = wrk; |
585 | started++; |
604 | ++started; |
586 | } |
605 | } |
587 | else |
606 | else |
588 | free (wrk); |
607 | free (wrk); |
589 | |
608 | |
590 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
591 | UNLOCK (wrklock); |
609 | UNLOCK (wrklock); |
592 | } |
610 | } |
593 | |
611 | |
|
|
612 | static void maybe_start_thread () |
|
|
613 | { |
|
|
614 | if (get_nthreads () >= wanted) |
|
|
615 | return; |
|
|
616 | |
|
|
617 | /* todo: maybe use idle here, but might be less exact */ |
|
|
618 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
619 | return; |
|
|
620 | |
|
|
621 | start_thread (); |
|
|
622 | } |
|
|
623 | |
594 | static void req_send (aio_req req) |
624 | static void req_send (aio_req req) |
595 | { |
625 | { |
596 | while (started < wanted && nreqs >= started) |
626 | block_sig (); |
597 | start_thread (); |
|
|
598 | |
627 | |
599 | ++nreqs; |
628 | ++nreqs; |
|
|
629 | |
|
|
630 | LOCK (reqlock); |
|
|
631 | ++nready; |
|
|
632 | reqq_push (&req_queue, req); |
|
|
633 | COND_SIGNAL (reqwait); |
|
|
634 | UNLOCK (reqlock); |
|
|
635 | |
|
|
636 | unblock_sig (); |
|
|
637 | |
|
|
638 | maybe_start_thread (); |
|
|
639 | } |
|
|
640 | |
|
|
641 | static void end_thread (void) |
|
|
642 | { |
|
|
643 | aio_req req; |
|
|
644 | |
|
|
645 | Newz (0, req, 1, aio_cb); |
|
|
646 | |
|
|
647 | req->type = REQ_QUIT; |
|
|
648 | req->pri = PRI_MAX + PRI_BIAS; |
600 | |
649 | |
601 | LOCK (reqlock); |
650 | LOCK (reqlock); |
602 | reqq_push (&req_queue, req); |
651 | reqq_push (&req_queue, req); |
603 | pthread_cond_signal (&reqwait); |
652 | COND_SIGNAL (reqwait); |
604 | UNLOCK (reqlock); |
653 | UNLOCK (reqlock); |
605 | } |
|
|
606 | |
654 | |
607 | static void end_thread (void) |
655 | LOCK (wrklock); |
608 | { |
656 | --started; |
609 | aio_req req; |
657 | UNLOCK (wrklock); |
|
|
658 | } |
610 | |
659 | |
611 | Newz (0, req, 1, aio_cb); |
660 | static void set_max_idle (int nthreads) |
612 | |
661 | { |
613 | req->type = REQ_QUIT; |
662 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
614 | req->pri = PRI_MAX + PRI_BIAS; |
663 | max_idle = nthreads <= 0 ? 1 : nthreads; |
615 | |
664 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
616 | req_send (req); |
|
|
617 | } |
665 | } |
618 | |
666 | |
619 | static void min_parallel (int nthreads) |
667 | static void min_parallel (int nthreads) |
620 | { |
668 | { |
621 | if (wanted < nthreads) |
669 | if (wanted < nthreads) |
622 | wanted = nthreads; |
670 | wanted = nthreads; |
623 | } |
671 | } |
624 | |
672 | |
625 | static void max_parallel (int nthreads) |
673 | static void max_parallel (int nthreads) |
626 | { |
674 | { |
627 | int cur = started; |
|
|
628 | |
|
|
629 | if (wanted > nthreads) |
675 | if (wanted > nthreads) |
630 | wanted = nthreads; |
676 | wanted = nthreads; |
631 | |
677 | |
632 | while (cur > wanted) |
678 | while (started > wanted) |
|
|
679 | end_thread (); |
|
|
680 | } |
|
|
681 | |
|
|
682 | static void poll_wait () |
|
|
683 | { |
|
|
684 | fd_set rfd; |
|
|
685 | |
|
|
686 | while (nreqs) |
633 | { |
687 | { |
|
|
688 | int size; |
|
|
689 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
690 | size = res_queue.size; |
|
|
691 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
692 | |
|
|
693 | if (size) |
|
|
694 | return; |
|
|
695 | |
634 | end_thread (); |
696 | maybe_start_thread (); |
635 | cur--; |
697 | |
|
|
698 | FD_ZERO(&rfd); |
|
|
699 | FD_SET(respipe [0], &rfd); |
|
|
700 | |
|
|
701 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
636 | } |
702 | } |
|
|
703 | } |
637 | |
704 | |
638 | while (started > wanted) |
705 | static int poll_cb () |
|
|
706 | { |
|
|
707 | dSP; |
|
|
708 | int count = 0; |
|
|
709 | int maxreqs = max_poll_reqs; |
|
|
710 | int do_croak = 0; |
|
|
711 | struct timeval tv_start, tv_now; |
|
|
712 | aio_req req; |
|
|
713 | |
|
|
714 | if (max_poll_time) |
|
|
715 | gettimeofday (&tv_start, 0); |
|
|
716 | |
|
|
717 | block_sig (); |
|
|
718 | |
|
|
719 | for (;;) |
639 | { |
720 | { |
|
|
721 | for (;;) |
|
|
722 | { |
|
|
723 | maybe_start_thread (); |
|
|
724 | |
|
|
725 | LOCK (reslock); |
|
|
726 | req = reqq_shift (&res_queue); |
|
|
727 | |
|
|
728 | if (req) |
|
|
729 | { |
|
|
730 | --npending; |
|
|
731 | |
|
|
732 | if (!res_queue.size) |
|
|
733 | { |
|
|
734 | /* read any signals sent by the worker threads */ |
|
|
735 | char buf [4]; |
|
|
736 | while (read (respipe [0], buf, 4) == 4) |
|
|
737 | ; |
|
|
738 | } |
|
|
739 | } |
|
|
740 | |
|
|
741 | UNLOCK (reslock); |
|
|
742 | |
|
|
743 | if (!req) |
|
|
744 | break; |
|
|
745 | |
|
|
746 | --nreqs; |
|
|
747 | |
|
|
748 | if (req->type == REQ_GROUP && req->size) |
|
|
749 | { |
|
|
750 | req->int1 = 1; /* mark request as delayed */ |
|
|
751 | continue; |
|
|
752 | } |
|
|
753 | else |
|
|
754 | { |
|
|
755 | if (!req_invoke (req)) |
|
|
756 | { |
|
|
757 | req_destroy (req); |
|
|
758 | unblock_sig (); |
|
|
759 | croak (0); |
|
|
760 | } |
|
|
761 | |
|
|
762 | count++; |
|
|
763 | } |
|
|
764 | |
|
|
765 | req_destroy (req); |
|
|
766 | |
|
|
767 | if (maxreqs && !--maxreqs) |
|
|
768 | break; |
|
|
769 | |
|
|
770 | if (max_poll_time) |
|
|
771 | { |
|
|
772 | gettimeofday (&tv_now, 0); |
|
|
773 | |
|
|
774 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
775 | break; |
|
|
776 | } |
|
|
777 | } |
|
|
778 | |
|
|
779 | if (nreqs <= max_outstanding) |
|
|
780 | break; |
|
|
781 | |
640 | poll_wait (); |
782 | poll_wait (); |
641 | poll_cb (); |
783 | |
|
|
784 | ++maxreqs; |
642 | } |
785 | } |
|
|
786 | |
|
|
787 | unblock_sig (); |
|
|
788 | return count; |
643 | } |
789 | } |
644 | |
790 | |
645 | static void create_pipe () |
791 | static void create_pipe () |
646 | { |
792 | { |
647 | if (pipe (respipe)) |
793 | if (pipe (respipe)) |
… | |
… | |
664 | /* |
810 | /* |
665 | * make our pread/pwrite safe against themselves, but not against |
811 | * make our pread/pwrite safe against themselves, but not against |
666 | * normal read/write by using a mutex. slows down execution a lot, |
812 | * normal read/write by using a mutex. slows down execution a lot, |
667 | * but that's your problem, not mine. |
813 | * but that's your problem, not mine. |
668 | */ |
814 | */ |
669 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
815 | static mutex_t preadwritelock = MUTEX_INIT; |
670 | |
816 | |
671 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
817 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
672 | { |
818 | { |
673 | ssize_t res; |
819 | ssize_t res; |
674 | off_t ooffset; |
820 | off_t ooffset; |
… | |
… | |
697 | |
843 | |
698 | return res; |
844 | return res; |
699 | } |
845 | } |
700 | #endif |
846 | #endif |
701 | |
847 | |
|
|
848 | #ifndef HAVE_FUTIMES |
|
|
849 | |
|
|
850 | # define utimes(path,times) aio_utimes (path, times) |
|
|
851 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
852 | |
|
|
853 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
854 | { |
|
|
855 | if (times) |
|
|
856 | { |
|
|
857 | struct utimbuf buf; |
|
|
858 | |
|
|
859 | buf.actime = times[0].tv_sec; |
|
|
860 | buf.modtime = times[1].tv_sec; |
|
|
861 | |
|
|
862 | return utime (filename, &buf); |
|
|
863 | } |
|
|
864 | else |
|
|
865 | return utime (filename, 0); |
|
|
866 | } |
|
|
867 | |
|
|
868 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
869 | { |
|
|
870 | errno = ENOSYS; |
|
|
871 | return -1; |
|
|
872 | } |
|
|
873 | |
|
|
874 | #endif |
|
|
875 | |
702 | #if !HAVE_FDATASYNC |
876 | #if !HAVE_FDATASYNC |
703 | # define fdatasync fsync |
877 | # define fdatasync fsync |
704 | #endif |
878 | #endif |
705 | |
879 | |
706 | #if !HAVE_READAHEAD |
880 | #if !HAVE_READAHEAD |
707 | # define readahead aio_readahead |
881 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
708 | |
882 | |
709 | static ssize_t readahead (int fd, off_t offset, size_t count) |
883 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
710 | { |
884 | { |
711 | dBUF; |
885 | dBUF; |
712 | |
886 | |
713 | while (count > 0) |
887 | while (count > 0) |
714 | { |
888 | { |
… | |
… | |
719 | count -= len; |
893 | count -= len; |
720 | } |
894 | } |
721 | |
895 | |
722 | errno = 0; |
896 | errno = 0; |
723 | } |
897 | } |
|
|
898 | |
724 | #endif |
899 | #endif |
725 | |
900 | |
726 | #if !HAVE_READDIR_R |
901 | #if !HAVE_READDIR_R |
727 | # define readdir_r aio_readdir_r |
902 | # define readdir_r aio_readdir_r |
728 | |
903 | |
729 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
904 | static mutex_t readdirlock = MUTEX_INIT; |
730 | |
905 | |
731 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
906 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
732 | { |
907 | { |
733 | struct dirent *e; |
908 | struct dirent *e; |
734 | int errorno; |
909 | int errorno; |
… | |
… | |
773 | { |
948 | { |
774 | off_t sbytes; |
949 | off_t sbytes; |
775 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
950 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
776 | |
951 | |
777 | if (res < 0 && sbytes) |
952 | if (res < 0 && sbytes) |
778 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
953 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
779 | res = sbytes; |
954 | res = sbytes; |
780 | } |
955 | } |
781 | |
956 | |
782 | # elif __hpux |
957 | # elif __hpux |
783 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
958 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
861 | int memofs = 0; |
1036 | int memofs = 0; |
862 | int res = 0; |
1037 | int res = 0; |
863 | int errorno; |
1038 | int errorno; |
864 | |
1039 | |
865 | LOCK (wrklock); |
1040 | LOCK (wrklock); |
866 | self->dirp = dirp = opendir (req->dataptr); |
1041 | self->dirp = dirp = opendir (req->ptr1); |
867 | self->dbuf = u = malloc (sizeof (*u)); |
1042 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1043 | req->flags |= FLAG_PTR2_FREE; |
|
|
1044 | req->ptr2 = names = malloc (memlen); |
868 | UNLOCK (wrklock); |
1045 | UNLOCK (wrklock); |
869 | |
|
|
870 | req->data2ptr = names = malloc (memlen); |
|
|
871 | |
1046 | |
872 | if (dirp && u && names) |
1047 | if (dirp && u && names) |
873 | for (;;) |
1048 | for (;;) |
874 | { |
1049 | { |
875 | errno = 0; |
1050 | errno = 0; |
… | |
… | |
888 | |
1063 | |
889 | while (memofs + len > memlen) |
1064 | while (memofs + len > memlen) |
890 | { |
1065 | { |
891 | memlen *= 2; |
1066 | memlen *= 2; |
892 | LOCK (wrklock); |
1067 | LOCK (wrklock); |
893 | req->data2ptr = names = realloc (names, memlen); |
1068 | req->ptr2 = names = realloc (names, memlen); |
894 | UNLOCK (wrklock); |
1069 | UNLOCK (wrklock); |
895 | |
1070 | |
896 | if (!names) |
1071 | if (!names) |
897 | break; |
1072 | break; |
898 | } |
1073 | } |
… | |
… | |
911 | /*****************************************************************************/ |
1086 | /*****************************************************************************/ |
912 | |
1087 | |
913 | static void *aio_proc (void *thr_arg) |
1088 | static void *aio_proc (void *thr_arg) |
914 | { |
1089 | { |
915 | aio_req req; |
1090 | aio_req req; |
916 | int type; |
1091 | struct timespec ts; |
917 | worker *self = (worker *)thr_arg; |
1092 | worker *self = (worker *)thr_arg; |
918 | |
1093 | |
919 | do |
1094 | /* try to distribute timeouts somewhat evenly */ |
|
|
1095 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1096 | * (1000000000UL / 1024UL); |
|
|
1097 | |
|
|
1098 | for (;;) |
920 | { |
1099 | { |
|
|
1100 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1101 | |
921 | LOCK (reqlock); |
1102 | LOCK (reqlock); |
922 | |
1103 | |
923 | for (;;) |
1104 | for (;;) |
924 | { |
1105 | { |
925 | self->req = req = reqq_shift (&req_queue); |
1106 | self->req = req = reqq_shift (&req_queue); |
926 | |
1107 | |
927 | if (req) |
1108 | if (req) |
928 | break; |
1109 | break; |
929 | |
1110 | |
930 | pthread_cond_wait (&reqwait, &reqlock); |
1111 | ++idle; |
|
|
1112 | |
|
|
1113 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1114 | == ETIMEDOUT) |
|
|
1115 | { |
|
|
1116 | if (idle > max_idle) |
|
|
1117 | { |
|
|
1118 | --idle; |
|
|
1119 | UNLOCK (reqlock); |
|
|
1120 | LOCK (wrklock); |
|
|
1121 | --started; |
|
|
1122 | UNLOCK (wrklock); |
|
|
1123 | goto quit; |
|
|
1124 | } |
|
|
1125 | |
|
|
1126 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1127 | COND_WAIT (reqwait, reqlock); |
|
|
1128 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1129 | } |
|
|
1130 | |
|
|
1131 | --idle; |
931 | } |
1132 | } |
|
|
1133 | |
|
|
1134 | --nready; |
932 | |
1135 | |
933 | UNLOCK (reqlock); |
1136 | UNLOCK (reqlock); |
934 | |
1137 | |
935 | errno = 0; /* strictly unnecessary */ |
1138 | errno = 0; /* strictly unnecessary */ |
936 | type = req->type; /* remember type for QUIT check */ |
|
|
937 | |
1139 | |
938 | if (!(req->flags & FLAG_CANCELLED)) |
1140 | if (!(req->flags & FLAG_CANCELLED)) |
939 | switch (type) |
1141 | switch (req->type) |
940 | { |
1142 | { |
941 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1143 | case REQ_READ: req->result = req->offs >= 0 |
942 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1144 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1145 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1146 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1147 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1148 | : write (req->int1, req->ptr1, req->size); break; |
943 | |
1149 | |
944 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1150 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
945 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1151 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
946 | |
1152 | |
947 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1153 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
948 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1154 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
949 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1155 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
950 | |
1156 | |
|
|
1157 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1158 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1159 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1160 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1161 | |
951 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1162 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
952 | case REQ_CLOSE: req->result = close (req->fd); break; |
1163 | case REQ_CLOSE: req->result = close (req->int1); break; |
953 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1164 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
954 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1165 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1166 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
955 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1167 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
956 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1168 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
957 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1169 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1170 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1171 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
958 | |
1172 | |
959 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1173 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
960 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1174 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
961 | case REQ_READDIR: scandir_ (req, self); break; |
1175 | case REQ_READDIR: scandir_ (req, self); break; |
962 | |
1176 | |
963 | case REQ_BUSY: |
1177 | case REQ_BUSY: |
964 | { |
1178 | { |
965 | struct timeval tv; |
1179 | struct timeval tv; |
966 | |
1180 | |
967 | tv.tv_sec = req->fd; |
1181 | tv.tv_sec = req->nv1; |
968 | tv.tv_usec = req->fd2; |
1182 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
969 | |
1183 | |
970 | req->result = select (0, 0, 0, 0, &tv); |
1184 | req->result = select (0, 0, 0, 0, &tv); |
971 | } |
1185 | } |
972 | |
1186 | |
|
|
1187 | case REQ_UTIME: |
|
|
1188 | case REQ_FUTIME: |
|
|
1189 | { |
|
|
1190 | struct timeval tv[2]; |
|
|
1191 | struct timeval *times; |
|
|
1192 | |
|
|
1193 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1194 | { |
|
|
1195 | tv[0].tv_sec = req->nv1; |
|
|
1196 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1197 | tv[1].tv_sec = req->nv2; |
|
|
1198 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1199 | |
|
|
1200 | times = tv; |
|
|
1201 | } |
|
|
1202 | else |
|
|
1203 | times = 0; |
|
|
1204 | |
|
|
1205 | |
|
|
1206 | req->result = req->type == REQ_FUTIME |
|
|
1207 | ? futimes (req->int1, times) |
|
|
1208 | : utimes (req->ptr1, times); |
|
|
1209 | } |
|
|
1210 | |
973 | case REQ_GROUP: |
1211 | case REQ_GROUP: |
974 | case REQ_NOP: |
1212 | case REQ_NOP: |
|
|
1213 | break; |
|
|
1214 | |
975 | case REQ_QUIT: |
1215 | case REQ_QUIT: |
976 | break; |
1216 | goto quit; |
977 | |
1217 | |
978 | default: |
1218 | default: |
979 | req->result = ENOSYS; |
1219 | req->result = -1; |
980 | break; |
1220 | break; |
981 | } |
1221 | } |
982 | |
1222 | |
983 | req->errorno = errno; |
1223 | req->errorno = errno; |
984 | |
1224 | |
985 | LOCK (reslock); |
1225 | LOCK (reslock); |
986 | |
1226 | |
|
|
1227 | ++npending; |
|
|
1228 | |
987 | if (!reqq_push (&res_queue, req)) |
1229 | if (!reqq_push (&res_queue, req)) |
|
|
1230 | { |
988 | /* write a dummy byte to the pipe so fh becomes ready */ |
1231 | /* write a dummy byte to the pipe so fh becomes ready */ |
989 | write (respipe [1], &respipe, 1); |
1232 | write (respipe [1], &respipe, 1); |
|
|
1233 | |
|
|
1234 | /* optionally signal the main thread asynchronously */ |
|
|
1235 | if (main_sig) |
|
|
1236 | pthread_kill (main_tid, main_sig); |
|
|
1237 | } |
990 | |
1238 | |
991 | self->req = 0; |
1239 | self->req = 0; |
992 | worker_clear (self); |
1240 | worker_clear (self); |
993 | |
1241 | |
994 | UNLOCK (reslock); |
1242 | UNLOCK (reslock); |
995 | } |
1243 | } |
996 | while (type != REQ_QUIT); |
|
|
997 | |
1244 | |
|
|
1245 | quit: |
998 | LOCK (wrklock); |
1246 | LOCK (wrklock); |
999 | worker_free (self); |
1247 | worker_free (self); |
1000 | UNLOCK (wrklock); |
1248 | UNLOCK (wrklock); |
1001 | |
1249 | |
1002 | return 0; |
1250 | return 0; |
… | |
… | |
1033 | static void atfork_child (void) |
1281 | static void atfork_child (void) |
1034 | { |
1282 | { |
1035 | aio_req prv; |
1283 | aio_req prv; |
1036 | |
1284 | |
1037 | while (prv = reqq_shift (&req_queue)) |
1285 | while (prv = reqq_shift (&req_queue)) |
1038 | req_free (prv); |
1286 | req_destroy (prv); |
1039 | |
1287 | |
1040 | while (prv = reqq_shift (&res_queue)) |
1288 | while (prv = reqq_shift (&res_queue)) |
1041 | req_free (prv); |
1289 | req_destroy (prv); |
1042 | |
1290 | |
1043 | while (wrk_first.next != &wrk_first) |
1291 | while (wrk_first.next != &wrk_first) |
1044 | { |
1292 | { |
1045 | worker *wrk = wrk_first.next; |
1293 | worker *wrk = wrk_first.next; |
1046 | |
1294 | |
1047 | if (wrk->req) |
1295 | if (wrk->req) |
1048 | req_free (wrk->req); |
1296 | req_destroy (wrk->req); |
1049 | |
1297 | |
1050 | worker_clear (wrk); |
1298 | worker_clear (wrk); |
1051 | worker_free (wrk); |
1299 | worker_free (wrk); |
1052 | } |
1300 | } |
1053 | |
1301 | |
1054 | started = 0; |
1302 | started = 0; |
|
|
1303 | idle = 0; |
1055 | nreqs = 0; |
1304 | nreqs = 0; |
|
|
1305 | nready = 0; |
|
|
1306 | npending = 0; |
1056 | |
1307 | |
1057 | close (respipe [0]); |
1308 | close (respipe [0]); |
1058 | close (respipe [1]); |
1309 | close (respipe [1]); |
1059 | create_pipe (); |
1310 | create_pipe (); |
1060 | |
1311 | |
… | |
… | |
1087 | PROTOTYPES: ENABLE |
1338 | PROTOTYPES: ENABLE |
1088 | |
1339 | |
1089 | BOOT: |
1340 | BOOT: |
1090 | { |
1341 | { |
1091 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1342 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1343 | |
1092 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1344 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1093 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1345 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1094 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1346 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1347 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1348 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1349 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1350 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1095 | |
1351 | |
1096 | create_pipe (); |
1352 | create_pipe (); |
1097 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1353 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1098 | } |
1354 | } |
1099 | |
1355 | |
1100 | void |
1356 | void |
1101 | min_parallel (nthreads) |
1357 | max_poll_reqs (int nreqs) |
1102 | int nthreads |
|
|
1103 | PROTOTYPE: $ |
1358 | PROTOTYPE: $ |
|
|
1359 | CODE: |
|
|
1360 | max_poll_reqs = nreqs; |
1104 | |
1361 | |
1105 | void |
1362 | void |
1106 | max_parallel (nthreads) |
1363 | max_poll_time (double nseconds) |
1107 | int nthreads |
|
|
1108 | PROTOTYPE: $ |
1364 | PROTOTYPE: $ |
|
|
1365 | CODE: |
|
|
1366 | max_poll_time = nseconds * AIO_TICKS; |
1109 | |
1367 | |
1110 | void |
1368 | void |
|
|
1369 | min_parallel (int nthreads) |
|
|
1370 | PROTOTYPE: $ |
|
|
1371 | |
|
|
1372 | void |
|
|
1373 | max_parallel (int nthreads) |
|
|
1374 | PROTOTYPE: $ |
|
|
1375 | |
|
|
1376 | void |
|
|
1377 | max_idle (int nthreads) |
|
|
1378 | PROTOTYPE: $ |
|
|
1379 | CODE: |
|
|
1380 | set_max_idle (nthreads); |
|
|
1381 | |
|
|
1382 | int |
|
|
1383 | max_outstanding (int maxreqs) |
|
|
1384 | PROTOTYPE: $ |
|
|
1385 | CODE: |
|
|
1386 | RETVAL = max_outstanding; |
|
|
1387 | max_outstanding = maxreqs; |
|
|
1388 | OUTPUT: |
|
|
1389 | RETVAL |
|
|
1390 | |
|
|
1391 | void |
1111 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1392 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1112 | SV * pathname |
|
|
1113 | int flags |
|
|
1114 | int mode |
|
|
1115 | SV * callback |
|
|
1116 | PROTOTYPE: $$$;$ |
1393 | PROTOTYPE: $$$;$ |
1117 | PPCODE: |
1394 | PPCODE: |
1118 | { |
1395 | { |
1119 | dREQ; |
1396 | dREQ; |
1120 | |
1397 | |
1121 | req->type = REQ_OPEN; |
1398 | req->type = REQ_OPEN; |
1122 | req->data = newSVsv (pathname); |
1399 | req->sv1 = newSVsv (pathname); |
1123 | req->dataptr = SvPVbyte_nolen (req->data); |
1400 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1124 | req->fd = flags; |
1401 | req->int1 = flags; |
1125 | req->mode = mode; |
1402 | req->mode = mode; |
1126 | |
1403 | |
1127 | REQ_SEND; |
1404 | REQ_SEND; |
1128 | } |
1405 | } |
1129 | |
1406 | |
1130 | void |
1407 | void |
1131 | aio_close (fh,callback=&PL_sv_undef) |
1408 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1132 | SV * fh |
|
|
1133 | SV * callback |
|
|
1134 | PROTOTYPE: $;$ |
1409 | PROTOTYPE: $;$ |
1135 | ALIAS: |
1410 | ALIAS: |
1136 | aio_close = REQ_CLOSE |
1411 | aio_close = REQ_CLOSE |
1137 | aio_fsync = REQ_FSYNC |
1412 | aio_fsync = REQ_FSYNC |
1138 | aio_fdatasync = REQ_FDATASYNC |
1413 | aio_fdatasync = REQ_FDATASYNC |
1139 | PPCODE: |
1414 | PPCODE: |
1140 | { |
1415 | { |
1141 | dREQ; |
1416 | dREQ; |
1142 | |
1417 | |
1143 | req->type = ix; |
1418 | req->type = ix; |
1144 | req->fh = newSVsv (fh); |
1419 | req->sv1 = newSVsv (fh); |
1145 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1420 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1146 | |
1421 | |
1147 | REQ_SEND (req); |
1422 | REQ_SEND (req); |
1148 | } |
1423 | } |
1149 | |
1424 | |
1150 | void |
1425 | void |
1151 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1426 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1152 | SV * fh |
|
|
1153 | UV offset |
|
|
1154 | UV length |
|
|
1155 | SV * data |
|
|
1156 | UV dataoffset |
|
|
1157 | SV * callback |
|
|
1158 | ALIAS: |
1427 | ALIAS: |
1159 | aio_read = REQ_READ |
1428 | aio_read = REQ_READ |
1160 | aio_write = REQ_WRITE |
1429 | aio_write = REQ_WRITE |
1161 | PROTOTYPE: $$$$$;$ |
1430 | PROTOTYPE: $$$$$;$ |
1162 | PPCODE: |
1431 | PPCODE: |
1163 | { |
1432 | { |
1164 | aio_req req; |
|
|
1165 | STRLEN svlen; |
1433 | STRLEN svlen; |
1166 | char *svptr = SvPVbyte (data, svlen); |
1434 | char *svptr = SvPVbyte (data, svlen); |
|
|
1435 | UV len = SvUV (length); |
1167 | |
1436 | |
1168 | SvUPGRADE (data, SVt_PV); |
1437 | SvUPGRADE (data, SVt_PV); |
1169 | SvPOK_on (data); |
1438 | SvPOK_on (data); |
1170 | |
1439 | |
1171 | if (dataoffset < 0) |
1440 | if (dataoffset < 0) |
1172 | dataoffset += svlen; |
1441 | dataoffset += svlen; |
1173 | |
1442 | |
1174 | if (dataoffset < 0 || dataoffset > svlen) |
1443 | if (dataoffset < 0 || dataoffset > svlen) |
1175 | croak ("data offset outside of string"); |
1444 | croak ("dataoffset outside of data scalar"); |
1176 | |
1445 | |
1177 | if (ix == REQ_WRITE) |
1446 | if (ix == REQ_WRITE) |
1178 | { |
1447 | { |
1179 | /* write: check length and adjust. */ |
1448 | /* write: check length and adjust. */ |
1180 | if (length < 0 || length + dataoffset > svlen) |
1449 | if (!SvOK (length) || len + dataoffset > svlen) |
1181 | length = svlen - dataoffset; |
1450 | len = svlen - dataoffset; |
1182 | } |
1451 | } |
1183 | else |
1452 | else |
1184 | { |
1453 | { |
1185 | /* read: grow scalar as necessary */ |
1454 | /* read: grow scalar as necessary */ |
1186 | svptr = SvGROW (data, length + dataoffset); |
1455 | svptr = SvGROW (data, len + dataoffset + 1); |
1187 | } |
1456 | } |
1188 | |
1457 | |
1189 | if (length < 0) |
1458 | if (len < 0) |
1190 | croak ("length must not be negative"); |
1459 | croak ("length must not be negative"); |
1191 | |
1460 | |
1192 | { |
1461 | { |
1193 | dREQ; |
1462 | dREQ; |
1194 | |
1463 | |
1195 | req->type = ix; |
1464 | req->type = ix; |
1196 | req->fh = newSVsv (fh); |
1465 | req->sv1 = newSVsv (fh); |
1197 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1466 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1198 | : IoOFP (sv_2io (fh))); |
1467 | : IoOFP (sv_2io (fh))); |
|
|
1468 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1199 | req->offset = offset; |
1469 | req->size = len; |
1200 | req->length = length; |
|
|
1201 | req->data = SvREFCNT_inc (data); |
1470 | req->sv2 = SvREFCNT_inc (data); |
1202 | req->dataptr = (char *)svptr + dataoffset; |
1471 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1472 | req->stroffset = dataoffset; |
1203 | |
1473 | |
1204 | if (!SvREADONLY (data)) |
1474 | if (!SvREADONLY (data)) |
1205 | { |
1475 | { |
1206 | SvREADONLY_on (data); |
1476 | SvREADONLY_on (data); |
1207 | req->data2ptr = (void *)data; |
1477 | req->flags |= FLAG_SV2_RO_OFF; |
1208 | } |
1478 | } |
1209 | |
1479 | |
1210 | REQ_SEND; |
1480 | REQ_SEND; |
1211 | } |
1481 | } |
1212 | } |
1482 | } |
1213 | |
1483 | |
1214 | void |
1484 | void |
|
|
1485 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1486 | PROTOTYPE: $$;$ |
|
|
1487 | PPCODE: |
|
|
1488 | { |
|
|
1489 | SV *data; |
|
|
1490 | dREQ; |
|
|
1491 | |
|
|
1492 | data = newSV (NAME_MAX); |
|
|
1493 | SvPOK_on (data); |
|
|
1494 | |
|
|
1495 | req->type = REQ_READLINK; |
|
|
1496 | req->sv1 = newSVsv (path); |
|
|
1497 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1498 | req->sv2 = data; |
|
|
1499 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1500 | |
|
|
1501 | REQ_SEND; |
|
|
1502 | } |
|
|
1503 | |
|
|
1504 | void |
1215 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1505 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1216 | SV * out_fh |
|
|
1217 | SV * in_fh |
|
|
1218 | UV in_offset |
|
|
1219 | UV length |
|
|
1220 | SV * callback |
|
|
1221 | PROTOTYPE: $$$$;$ |
1506 | PROTOTYPE: $$$$;$ |
1222 | PPCODE: |
1507 | PPCODE: |
1223 | { |
1508 | { |
1224 | dREQ; |
1509 | dREQ; |
1225 | |
1510 | |
1226 | req->type = REQ_SENDFILE; |
1511 | req->type = REQ_SENDFILE; |
1227 | req->fh = newSVsv (out_fh); |
1512 | req->sv1 = newSVsv (out_fh); |
1228 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1513 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1229 | req->fh2 = newSVsv (in_fh); |
1514 | req->sv2 = newSVsv (in_fh); |
1230 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1515 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1231 | req->offset = in_offset; |
1516 | req->offs = SvVAL64 (in_offset); |
1232 | req->length = length; |
1517 | req->size = length; |
1233 | |
1518 | |
1234 | REQ_SEND; |
1519 | REQ_SEND; |
1235 | } |
1520 | } |
1236 | |
1521 | |
1237 | void |
1522 | void |
1238 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1523 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1239 | SV * fh |
|
|
1240 | UV offset |
|
|
1241 | IV length |
|
|
1242 | SV * callback |
|
|
1243 | PROTOTYPE: $$$;$ |
1524 | PROTOTYPE: $$$;$ |
1244 | PPCODE: |
1525 | PPCODE: |
1245 | { |
1526 | { |
1246 | dREQ; |
1527 | dREQ; |
1247 | |
1528 | |
1248 | req->type = REQ_READAHEAD; |
1529 | req->type = REQ_READAHEAD; |
1249 | req->fh = newSVsv (fh); |
1530 | req->sv1 = newSVsv (fh); |
1250 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1531 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1251 | req->offset = offset; |
1532 | req->offs = SvVAL64 (offset); |
1252 | req->length = length; |
1533 | req->size = length; |
1253 | |
1534 | |
1254 | REQ_SEND; |
1535 | REQ_SEND; |
1255 | } |
1536 | } |
1256 | |
1537 | |
1257 | void |
1538 | void |
1258 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1539 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1259 | SV * fh_or_path |
|
|
1260 | SV * callback |
|
|
1261 | ALIAS: |
1540 | ALIAS: |
1262 | aio_stat = REQ_STAT |
1541 | aio_stat = REQ_STAT |
1263 | aio_lstat = REQ_LSTAT |
1542 | aio_lstat = REQ_LSTAT |
1264 | PPCODE: |
1543 | PPCODE: |
1265 | { |
1544 | { |
1266 | dREQ; |
1545 | dREQ; |
1267 | |
1546 | |
1268 | New (0, req->statdata, 1, Stat_t); |
1547 | req->ptr2 = malloc (sizeof (Stat_t)); |
1269 | if (!req->statdata) |
1548 | if (!req->ptr2) |
1270 | { |
1549 | { |
1271 | req_free (req); |
1550 | req_destroy (req); |
1272 | croak ("out of memory during aio_req->statdata allocation"); |
1551 | croak ("out of memory during aio_stat statdata allocation"); |
1273 | } |
1552 | } |
|
|
1553 | |
|
|
1554 | req->flags |= FLAG_PTR2_FREE; |
|
|
1555 | req->sv1 = newSVsv (fh_or_path); |
1274 | |
1556 | |
1275 | if (SvPOK (fh_or_path)) |
1557 | if (SvPOK (fh_or_path)) |
1276 | { |
1558 | { |
1277 | req->type = ix; |
1559 | req->type = ix; |
1278 | req->data = newSVsv (fh_or_path); |
|
|
1279 | req->dataptr = SvPVbyte_nolen (req->data); |
1560 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1280 | } |
1561 | } |
1281 | else |
1562 | else |
1282 | { |
1563 | { |
1283 | req->type = REQ_FSTAT; |
1564 | req->type = REQ_FSTAT; |
1284 | req->fh = newSVsv (fh_or_path); |
|
|
1285 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1565 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1286 | } |
1566 | } |
1287 | |
1567 | |
1288 | REQ_SEND; |
1568 | REQ_SEND; |
1289 | } |
1569 | } |
1290 | |
1570 | |
1291 | void |
1571 | void |
|
|
1572 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1573 | PPCODE: |
|
|
1574 | { |
|
|
1575 | dREQ; |
|
|
1576 | |
|
|
1577 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1578 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1579 | req->sv1 = newSVsv (fh_or_path); |
|
|
1580 | |
|
|
1581 | if (SvPOK (fh_or_path)) |
|
|
1582 | { |
|
|
1583 | req->type = REQ_UTIME; |
|
|
1584 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1585 | } |
|
|
1586 | else |
|
|
1587 | { |
|
|
1588 | req->type = REQ_FUTIME; |
|
|
1589 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1590 | } |
|
|
1591 | |
|
|
1592 | REQ_SEND; |
|
|
1593 | } |
|
|
1594 | |
|
|
1595 | void |
|
|
1596 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1597 | PPCODE: |
|
|
1598 | { |
|
|
1599 | dREQ; |
|
|
1600 | |
|
|
1601 | req->mode = mode; |
|
|
1602 | req->sv1 = newSVsv (fh_or_path); |
|
|
1603 | |
|
|
1604 | if (SvPOK (fh_or_path)) |
|
|
1605 | { |
|
|
1606 | req->type = REQ_CHMOD; |
|
|
1607 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1608 | } |
|
|
1609 | else |
|
|
1610 | { |
|
|
1611 | req->type = REQ_FCHMOD; |
|
|
1612 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1613 | } |
|
|
1614 | |
|
|
1615 | REQ_SEND; |
|
|
1616 | } |
|
|
1617 | |
|
|
1618 | void |
|
|
1619 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1620 | PPCODE: |
|
|
1621 | { |
|
|
1622 | dREQ; |
|
|
1623 | |
|
|
1624 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1625 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1626 | req->sv1 = newSVsv (fh_or_path); |
|
|
1627 | |
|
|
1628 | if (SvPOK (fh_or_path)) |
|
|
1629 | { |
|
|
1630 | req->type = REQ_CHOWN; |
|
|
1631 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1632 | } |
|
|
1633 | else |
|
|
1634 | { |
|
|
1635 | req->type = REQ_FCHOWN; |
|
|
1636 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1637 | } |
|
|
1638 | |
|
|
1639 | REQ_SEND; |
|
|
1640 | } |
|
|
1641 | |
|
|
1642 | void |
1292 | aio_unlink (pathname,callback=&PL_sv_undef) |
1643 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1293 | SV * pathname |
|
|
1294 | SV * callback |
|
|
1295 | ALIAS: |
1644 | ALIAS: |
1296 | aio_unlink = REQ_UNLINK |
1645 | aio_unlink = REQ_UNLINK |
1297 | aio_rmdir = REQ_RMDIR |
1646 | aio_rmdir = REQ_RMDIR |
1298 | aio_readdir = REQ_READDIR |
1647 | aio_readdir = REQ_READDIR |
1299 | PPCODE: |
1648 | PPCODE: |
1300 | { |
1649 | { |
1301 | dREQ; |
1650 | dREQ; |
1302 | |
1651 | |
1303 | req->type = ix; |
1652 | req->type = ix; |
1304 | req->data = newSVsv (pathname); |
1653 | req->sv1 = newSVsv (pathname); |
1305 | req->dataptr = SvPVbyte_nolen (req->data); |
1654 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1655 | |
|
|
1656 | REQ_SEND; |
|
|
1657 | } |
|
|
1658 | |
|
|
1659 | void |
|
|
1660 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1661 | PPCODE: |
|
|
1662 | { |
|
|
1663 | dREQ; |
1306 | |
1664 | |
|
|
1665 | req->type = REQ_MKDIR; |
|
|
1666 | req->sv1 = newSVsv (pathname); |
|
|
1667 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1668 | req->mode = mode; |
|
|
1669 | |
1307 | REQ_SEND; |
1670 | REQ_SEND; |
1308 | } |
1671 | } |
1309 | |
1672 | |
1310 | void |
1673 | void |
1311 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1674 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1312 | SV * oldpath |
|
|
1313 | SV * newpath |
|
|
1314 | SV * callback |
|
|
1315 | ALIAS: |
1675 | ALIAS: |
1316 | aio_link = REQ_LINK |
1676 | aio_link = REQ_LINK |
1317 | aio_symlink = REQ_SYMLINK |
1677 | aio_symlink = REQ_SYMLINK |
1318 | aio_rename = REQ_RENAME |
1678 | aio_rename = REQ_RENAME |
1319 | PPCODE: |
1679 | PPCODE: |
1320 | { |
1680 | { |
1321 | dREQ; |
1681 | dREQ; |
1322 | |
1682 | |
1323 | req->type = ix; |
1683 | req->type = ix; |
1324 | req->fh = newSVsv (oldpath); |
1684 | req->sv2 = newSVsv (oldpath); |
1325 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1685 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1326 | req->data = newSVsv (newpath); |
1686 | req->sv1 = newSVsv (newpath); |
1327 | req->dataptr = SvPVbyte_nolen (req->data); |
1687 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1328 | |
1688 | |
1329 | REQ_SEND; |
1689 | REQ_SEND; |
1330 | } |
1690 | } |
1331 | |
1691 | |
1332 | void |
1692 | void |
1333 | aio_busy (delay,callback=&PL_sv_undef) |
1693 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1334 | double delay |
|
|
1335 | SV * callback |
|
|
1336 | PPCODE: |
1694 | PPCODE: |
1337 | { |
1695 | { |
1338 | dREQ; |
1696 | dREQ; |
|
|
1697 | |
|
|
1698 | req->type = REQ_MKNOD; |
|
|
1699 | req->sv1 = newSVsv (pathname); |
|
|
1700 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1701 | req->mode = (mode_t)mode; |
|
|
1702 | req->offs = dev; |
|
|
1703 | |
|
|
1704 | REQ_SEND; |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | void |
|
|
1708 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1709 | PPCODE: |
|
|
1710 | { |
|
|
1711 | dREQ; |
1339 | |
1712 | |
1340 | req->type = REQ_BUSY; |
1713 | req->type = REQ_BUSY; |
1341 | req->fd = delay < 0. ? 0 : delay; |
1714 | req->nv1 = delay < 0. ? 0. : delay; |
1342 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1343 | |
1715 | |
1344 | REQ_SEND; |
1716 | REQ_SEND; |
1345 | } |
1717 | } |
1346 | |
1718 | |
1347 | void |
1719 | void |
1348 | aio_group (callback=&PL_sv_undef) |
1720 | aio_group (SV *callback=&PL_sv_undef) |
1349 | SV * callback |
|
|
1350 | PROTOTYPE: ;$ |
1721 | PROTOTYPE: ;$ |
1351 | PPCODE: |
1722 | PPCODE: |
1352 | { |
1723 | { |
1353 | dREQ; |
1724 | dREQ; |
1354 | |
1725 | |
1355 | req->type = REQ_GROUP; |
1726 | req->type = REQ_GROUP; |
|
|
1727 | |
1356 | req_send (req); |
1728 | req_send (req); |
1357 | |
|
|
1358 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1729 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1359 | } |
1730 | } |
1360 | |
1731 | |
1361 | void |
1732 | void |
1362 | aio_nop (callback=&PL_sv_undef) |
1733 | aio_nop (SV *callback=&PL_sv_undef) |
1363 | SV * callback |
|
|
1364 | PPCODE: |
1734 | PPCODE: |
1365 | { |
1735 | { |
1366 | dREQ; |
1736 | dREQ; |
1367 | |
1737 | |
1368 | req->type = REQ_NOP; |
1738 | req->type = REQ_NOP; |
1369 | |
1739 | |
1370 | REQ_SEND; |
1740 | REQ_SEND; |
1371 | } |
1741 | } |
1372 | |
1742 | |
1373 | void |
1743 | int |
1374 | aioreq_pri (int pri = DEFAULT_PRI) |
1744 | aioreq_pri (int pri = 0) |
1375 | CODE: |
1745 | PROTOTYPE: ;$ |
|
|
1746 | CODE: |
|
|
1747 | RETVAL = next_pri - PRI_BIAS; |
|
|
1748 | if (items > 0) |
|
|
1749 | { |
1376 | if (pri < PRI_MIN) pri = PRI_MIN; |
1750 | if (pri < PRI_MIN) pri = PRI_MIN; |
1377 | if (pri > PRI_MAX) pri = PRI_MAX; |
1751 | if (pri > PRI_MAX) pri = PRI_MAX; |
1378 | next_pri = pri + PRI_BIAS; |
1752 | next_pri = pri + PRI_BIAS; |
|
|
1753 | } |
|
|
1754 | OUTPUT: |
|
|
1755 | RETVAL |
1379 | |
1756 | |
1380 | void |
1757 | void |
1381 | aioreq_nice (int nice = 0) |
1758 | aioreq_nice (int nice = 0) |
1382 | CODE: |
1759 | CODE: |
1383 | nice = next_pri - nice; |
1760 | nice = next_pri - nice; |
1384 | if (nice < PRI_MIN) nice = PRI_MIN; |
1761 | if (nice < PRI_MIN) nice = PRI_MIN; |
1385 | if (nice > PRI_MAX) nice = PRI_MAX; |
1762 | if (nice > PRI_MAX) nice = PRI_MAX; |
1386 | next_pri = nice + PRI_BIAS; |
1763 | next_pri = nice + PRI_BIAS; |
1387 | |
1764 | |
1388 | void |
1765 | void |
1389 | flush () |
1766 | flush () |
1390 | PROTOTYPE: |
1767 | PROTOTYPE: |
1391 | CODE: |
1768 | CODE: |
… | |
… | |
1393 | { |
1770 | { |
1394 | poll_wait (); |
1771 | poll_wait (); |
1395 | poll_cb (); |
1772 | poll_cb (); |
1396 | } |
1773 | } |
1397 | |
1774 | |
1398 | void |
1775 | int |
1399 | poll() |
1776 | poll() |
1400 | PROTOTYPE: |
1777 | PROTOTYPE: |
1401 | CODE: |
1778 | CODE: |
1402 | if (nreqs) |
|
|
1403 | { |
|
|
1404 | poll_wait (); |
1779 | poll_wait (); |
1405 | poll_cb (); |
1780 | RETVAL = poll_cb (); |
1406 | } |
1781 | OUTPUT: |
|
|
1782 | RETVAL |
1407 | |
1783 | |
1408 | int |
1784 | int |
1409 | poll_fileno() |
1785 | poll_fileno() |
1410 | PROTOTYPE: |
1786 | PROTOTYPE: |
1411 | CODE: |
1787 | CODE: |
… | |
… | |
1423 | |
1799 | |
1424 | void |
1800 | void |
1425 | poll_wait() |
1801 | poll_wait() |
1426 | PROTOTYPE: |
1802 | PROTOTYPE: |
1427 | CODE: |
1803 | CODE: |
1428 | if (nreqs) |
|
|
1429 | poll_wait (); |
1804 | poll_wait (); |
|
|
1805 | |
|
|
1806 | void |
|
|
1807 | setsig (int signum = SIGIO) |
|
|
1808 | PROTOTYPE: ;$ |
|
|
1809 | CODE: |
|
|
1810 | { |
|
|
1811 | if (block_sig_level) |
|
|
1812 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1813 | |
|
|
1814 | LOCK (reslock); |
|
|
1815 | main_tid = pthread_self (); |
|
|
1816 | main_sig = signum; |
|
|
1817 | UNLOCK (reslock); |
|
|
1818 | |
|
|
1819 | if (main_sig && npending) |
|
|
1820 | pthread_kill (main_tid, main_sig); |
|
|
1821 | } |
|
|
1822 | |
|
|
1823 | void |
|
|
1824 | aio_block (SV *cb) |
|
|
1825 | PROTOTYPE: & |
|
|
1826 | PPCODE: |
|
|
1827 | { |
|
|
1828 | int count; |
|
|
1829 | |
|
|
1830 | block_sig (); |
|
|
1831 | PUSHMARK (SP); |
|
|
1832 | PUTBACK; |
|
|
1833 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1834 | SPAGAIN; |
|
|
1835 | unblock_sig (); |
|
|
1836 | |
|
|
1837 | if (SvTRUE (ERRSV)) |
|
|
1838 | croak (0); |
|
|
1839 | |
|
|
1840 | XSRETURN (count); |
|
|
1841 | } |
1430 | |
1842 | |
1431 | int |
1843 | int |
1432 | nreqs() |
1844 | nreqs() |
1433 | PROTOTYPE: |
1845 | PROTOTYPE: |
1434 | CODE: |
1846 | CODE: |
1435 | RETVAL = nreqs; |
1847 | RETVAL = nreqs; |
1436 | OUTPUT: |
1848 | OUTPUT: |
1437 | RETVAL |
1849 | RETVAL |
1438 | |
1850 | |
|
|
1851 | int |
|
|
1852 | nready() |
|
|
1853 | PROTOTYPE: |
|
|
1854 | CODE: |
|
|
1855 | RETVAL = get_nready (); |
|
|
1856 | OUTPUT: |
|
|
1857 | RETVAL |
|
|
1858 | |
|
|
1859 | int |
|
|
1860 | npending() |
|
|
1861 | PROTOTYPE: |
|
|
1862 | CODE: |
|
|
1863 | RETVAL = get_npending (); |
|
|
1864 | OUTPUT: |
|
|
1865 | RETVAL |
|
|
1866 | |
|
|
1867 | int |
|
|
1868 | nthreads() |
|
|
1869 | PROTOTYPE: |
|
|
1870 | CODE: |
|
|
1871 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1872 | RETVAL = started; |
|
|
1873 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1874 | OUTPUT: |
|
|
1875 | RETVAL |
|
|
1876 | |
1439 | PROTOTYPES: DISABLE |
1877 | PROTOTYPES: DISABLE |
1440 | |
1878 | |
1441 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1879 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1442 | |
1880 | |
1443 | void |
1881 | void |
… | |
… | |
1458 | PPCODE: |
1896 | PPCODE: |
1459 | { |
1897 | { |
1460 | int i; |
1898 | int i; |
1461 | aio_req req; |
1899 | aio_req req; |
1462 | |
1900 | |
|
|
1901 | if (main_sig && !block_sig_level) |
|
|
1902 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1903 | |
1463 | if (grp->fd == 2) |
1904 | if (grp->int1 == 2) |
1464 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1905 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1465 | |
1906 | |
1466 | for (i = 1; i < items; ++i ) |
1907 | for (i = 1; i < items; ++i ) |
1467 | { |
1908 | { |
1468 | if (GIMME_V != G_VOID) |
1909 | if (GIMME_V != G_VOID) |
… | |
… | |
1470 | |
1911 | |
1471 | req = SvAIO_REQ (ST (i)); |
1912 | req = SvAIO_REQ (ST (i)); |
1472 | |
1913 | |
1473 | if (req) |
1914 | if (req) |
1474 | { |
1915 | { |
1475 | ++grp->length; |
1916 | ++grp->size; |
1476 | req->grp = grp; |
1917 | req->grp = grp; |
1477 | |
1918 | |
1478 | req->grp_prev = 0; |
1919 | req->grp_prev = 0; |
1479 | req->grp_next = grp->grp_first; |
1920 | req->grp_next = grp->grp_first; |
1480 | |
1921 | |
… | |
… | |
1494 | void |
1935 | void |
1495 | result (aio_req grp, ...) |
1936 | result (aio_req grp, ...) |
1496 | CODE: |
1937 | CODE: |
1497 | { |
1938 | { |
1498 | int i; |
1939 | int i; |
|
|
1940 | AV *av; |
|
|
1941 | |
|
|
1942 | grp->errorno = errno; |
|
|
1943 | |
1499 | AV *av = newAV (); |
1944 | av = newAV (); |
1500 | |
1945 | |
1501 | for (i = 1; i < items; ++i ) |
1946 | for (i = 1; i < items; ++i ) |
1502 | av_push (av, newSVsv (ST (i))); |
1947 | av_push (av, newSVsv (ST (i))); |
1503 | |
1948 | |
1504 | SvREFCNT_dec (grp->data); |
1949 | SvREFCNT_dec (grp->sv1); |
1505 | grp->data = (SV *)av; |
1950 | grp->sv1 = (SV *)av; |
1506 | } |
1951 | } |
|
|
1952 | |
|
|
1953 | void |
|
|
1954 | errno (aio_req grp, int errorno = errno) |
|
|
1955 | CODE: |
|
|
1956 | grp->errorno = errorno; |
1507 | |
1957 | |
1508 | void |
1958 | void |
1509 | limit (aio_req grp, int limit) |
1959 | limit (aio_req grp, int limit) |
1510 | CODE: |
1960 | CODE: |
1511 | grp->fd2 = limit; |
1961 | grp->int2 = limit; |
1512 | aio_grp_feed (grp); |
1962 | aio_grp_feed (grp); |
1513 | |
1963 | |
1514 | void |
1964 | void |
1515 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1965 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1516 | CODE: |
1966 | CODE: |
1517 | { |
1967 | { |
1518 | SvREFCNT_dec (grp->fh2); |
1968 | SvREFCNT_dec (grp->sv2); |
1519 | grp->fh2 = newSVsv (callback); |
1969 | grp->sv2 = newSVsv (callback); |
1520 | |
1970 | |
1521 | if (grp->fd2 <= 0) |
1971 | if (grp->int2 <= 0) |
1522 | grp->fd2 = 2; |
1972 | grp->int2 = 2; |
1523 | |
1973 | |
1524 | aio_grp_feed (grp); |
1974 | aio_grp_feed (grp); |
1525 | } |
1975 | } |
1526 | |
1976 | |