1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "autoconf/config.h" |
18 | |
10 | |
19 | #include <pthread.h> |
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20 | |
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21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
14 | #include <sys/time.h> |
24 | #include <sys/select.h> |
15 | #include <sys/select.h> |
25 | #include <sys/types.h> |
16 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
… | |
… | |
43 | # else |
34 | # else |
44 | # error sendfile support requested but not available |
35 | # error sendfile support requested but not available |
45 | # endif |
36 | # endif |
46 | #endif |
37 | #endif |
47 | |
38 | |
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39 | /* number of seconds after which idle threads exit */ |
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40 | #define IDLE_TIMEOUT 10 |
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41 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
42 | /* used for struct dirent, AIX doesn't provide it */ |
49 | #ifndef NAME_MAX |
43 | #ifndef NAME_MAX |
50 | # define NAME_MAX 4096 |
44 | # define NAME_MAX 4096 |
51 | #endif |
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52 | |
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53 | #ifndef PTHREAD_STACK_MIN |
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54 | /* care for broken platforms, e.g. windows */ |
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55 | # define PTHREAD_STACK_MIN 16384 |
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56 | #endif |
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57 | |
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58 | #if __ia64 |
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59 | # define STACKSIZE 65536 |
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60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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61 | # define STACKSIZE PTHREAD_STACK_MIN |
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62 | #else |
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63 | # define STACKSIZE 16384 |
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64 | #endif |
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65 | |
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66 | /* wether word reads are potentially non-atomic. |
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67 | * this is conservatice, likely most arches this runs |
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68 | * on have atomic word read/writes. |
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69 | */ |
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70 | #ifndef WORDREAD_UNSAFE |
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71 | # if __i386 || __x86_64 |
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72 | # define WORDREAD_UNSAFE 0 |
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73 | # else |
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74 | # define WORDREAD_UNSAFE 1 |
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75 | # endif |
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76 | #endif |
45 | #endif |
77 | |
46 | |
78 | /* buffer size for various temporary buffers */ |
47 | /* buffer size for various temporary buffers */ |
79 | #define AIO_BUFSIZE 65536 |
48 | #define AIO_BUFSIZE 65536 |
80 | |
49 | |
… | |
… | |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
53 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
85 | UNLOCK (wrklock); \ |
54 | UNLOCK (wrklock); \ |
86 | if (!aio_buf) \ |
55 | if (!aio_buf) \ |
87 | return -1; |
56 | return -1; |
88 | |
57 | |
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58 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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59 | |
89 | enum { |
60 | enum { |
90 | REQ_QUIT, |
61 | REQ_QUIT, |
91 | REQ_OPEN, REQ_CLOSE, |
62 | REQ_OPEN, REQ_CLOSE, |
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
63 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
93 | REQ_SENDFILE, |
64 | REQ_SENDFILE, |
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
65 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
95 | REQ_FSYNC, REQ_FDATASYNC, |
66 | REQ_FSYNC, REQ_FDATASYNC, |
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
67 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
97 | REQ_MKNOD, REQ_READDIR, |
68 | REQ_MKNOD, REQ_READDIR, |
98 | REQ_LINK, REQ_SYMLINK, |
69 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
99 | REQ_GROUP, REQ_NOP, |
70 | REQ_GROUP, REQ_NOP, |
100 | REQ_BUSY, |
71 | REQ_BUSY, |
101 | }; |
72 | }; |
102 | |
73 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
74 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
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105 | |
76 | |
106 | typedef struct aio_cb |
77 | typedef struct aio_cb |
107 | { |
78 | { |
108 | struct aio_cb *volatile next; |
79 | struct aio_cb *volatile next; |
109 | |
80 | |
110 | SV *data, *callback; |
81 | SV *callback, *fh; |
111 | SV *fh, *fh2; |
82 | SV *sv1, *sv2; |
112 | void *dataptr, *data2ptr; |
83 | void *ptr1, *ptr2; |
113 | Stat_t *statdata; |
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114 | off_t offset; |
84 | off_t offs; |
115 | size_t length; |
85 | size_t size; |
116 | ssize_t result; |
86 | ssize_t result; |
117 | |
87 | |
118 | STRLEN dataoffset; |
88 | STRLEN stroffset; |
119 | int type; |
89 | int type; |
120 | int fd, fd2; |
90 | int int1, int2; |
121 | int errorno; |
91 | int errorno; |
122 | mode_t mode; /* open */ |
92 | mode_t mode; /* open */ |
123 | |
93 | |
124 | unsigned char flags; |
94 | unsigned char flags; |
125 | unsigned char pri; |
95 | unsigned char pri; |
… | |
… | |
127 | SV *self; /* the perl counterpart of this request, if any */ |
97 | SV *self; /* the perl counterpart of this request, if any */ |
128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
98 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
129 | } aio_cb; |
99 | } aio_cb; |
130 | |
100 | |
131 | enum { |
101 | enum { |
132 | FLAG_CANCELLED = 0x01, |
102 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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103 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
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104 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
133 | }; |
105 | }; |
134 | |
106 | |
135 | typedef aio_cb *aio_req; |
107 | typedef aio_cb *aio_req; |
136 | typedef aio_cb *aio_req_ornot; |
108 | typedef aio_cb *aio_req_ornot; |
137 | |
109 | |
… | |
… | |
142 | DEFAULT_PRI = 0, |
114 | DEFAULT_PRI = 0, |
143 | PRI_BIAS = -PRI_MIN, |
115 | PRI_BIAS = -PRI_MIN, |
144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
116 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
145 | }; |
117 | }; |
146 | |
118 | |
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119 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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120 | |
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121 | static unsigned int max_poll_time = 0; |
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122 | static unsigned int max_poll_reqs = 0; |
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123 | |
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124 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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125 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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126 | { |
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127 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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128 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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129 | } |
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130 | |
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131 | static thread_t main_tid; |
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132 | static int main_sig; |
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133 | static int block_sig_level; |
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134 | |
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135 | void block_sig () |
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136 | { |
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137 | sigset_t ss; |
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138 | |
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139 | if (block_sig_level++) |
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140 | return; |
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141 | |
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142 | if (!main_sig) |
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143 | return; |
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144 | |
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145 | sigemptyset (&ss); |
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146 | sigaddset (&ss, main_sig); |
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147 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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148 | } |
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149 | |
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150 | void unblock_sig () |
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151 | { |
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152 | sigset_t ss; |
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153 | |
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154 | if (--block_sig_level) |
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155 | return; |
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156 | |
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157 | if (!main_sig) |
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158 | return; |
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159 | |
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160 | sigemptyset (&ss); |
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161 | sigaddset (&ss, main_sig); |
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162 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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163 | } |
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164 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
148 | |
166 | |
149 | static unsigned int started, wanted; |
167 | static unsigned int started, idle, wanted; |
150 | |
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151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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153 | #else |
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154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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155 | #endif |
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156 | |
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157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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159 | |
168 | |
160 | /* worker threads management */ |
169 | /* worker threads management */ |
161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
170 | static mutex_t wrklock = MUTEX_INIT; |
162 | |
171 | |
163 | typedef struct worker { |
172 | typedef struct worker { |
164 | /* locked by wrklock */ |
173 | /* locked by wrklock */ |
165 | struct worker *prev, *next; |
174 | struct worker *prev, *next; |
166 | |
175 | |
167 | pthread_t tid; |
176 | thread_t tid; |
168 | |
177 | |
169 | /* locked by reslock, reqlock or wrklock */ |
178 | /* locked by reslock, reqlock or wrklock */ |
170 | aio_req req; /* currently processed request */ |
179 | aio_req req; /* currently processed request */ |
171 | void *dbuf; |
180 | void *dbuf; |
172 | DIR *dirp; |
181 | DIR *dirp; |
… | |
… | |
196 | |
205 | |
197 | free (wrk); |
206 | free (wrk); |
198 | } |
207 | } |
199 | |
208 | |
200 | static volatile unsigned int nreqs, nready, npending; |
209 | static volatile unsigned int nreqs, nready, npending; |
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210 | static volatile unsigned int max_idle = 4; |
201 | static volatile unsigned int max_outstanding = 0xffffffff; |
211 | static volatile unsigned int max_outstanding = 0xffffffff; |
202 | static int respipe [2]; |
212 | static int respipe [2]; |
203 | |
213 | |
204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
214 | static mutex_t reslock = MUTEX_INIT; |
205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
215 | static mutex_t reqlock = MUTEX_INIT; |
206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
216 | static cond_t reqwait = COND_INIT; |
207 | |
217 | |
208 | #if WORDREAD_UNSAFE |
218 | #if WORDACCESS_UNSAFE |
209 | |
219 | |
210 | static unsigned int get_nready () |
220 | static unsigned int get_nready () |
211 | { |
221 | { |
212 | unsigned int retval; |
222 | unsigned int retval; |
213 | |
223 | |
… | |
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227 | UNLOCK (reslock); |
237 | UNLOCK (reslock); |
228 | |
238 | |
229 | return retval; |
239 | return retval; |
230 | } |
240 | } |
231 | |
241 | |
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242 | static unsigned int get_nthreads () |
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243 | { |
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244 | unsigned int retval; |
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245 | |
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246 | LOCK (wrklock); |
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247 | retval = started; |
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248 | UNLOCK (wrklock); |
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249 | |
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250 | return retval; |
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251 | } |
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252 | |
232 | #else |
253 | #else |
233 | |
254 | |
234 | # define get_nready() nready |
255 | # define get_nready() nready |
235 | # define get_npending() npending |
256 | # define get_npending() npending |
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257 | # define get_nthreads() started |
236 | |
258 | |
237 | #endif |
259 | #endif |
238 | |
260 | |
239 | /* |
261 | /* |
240 | * a somewhat faster data structure might be nice, but |
262 | * a somewhat faster data structure might be nice, but |
… | |
… | |
288 | } |
310 | } |
289 | |
311 | |
290 | abort (); |
312 | abort (); |
291 | } |
313 | } |
292 | |
314 | |
293 | static int poll_cb (int max); |
315 | static int poll_cb (); |
294 | static void req_invoke (aio_req req); |
316 | static int req_invoke (aio_req req); |
295 | static void req_free (aio_req req); |
317 | static void req_free (aio_req req); |
296 | static void req_cancel (aio_req req); |
318 | static void req_cancel (aio_req req); |
297 | |
319 | |
298 | /* must be called at most once */ |
320 | /* must be called at most once */ |
299 | static SV *req_sv (aio_req req, const char *klass) |
321 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
341 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
342 | } |
321 | |
343 | |
322 | static void aio_grp_feed (aio_req grp) |
344 | static void aio_grp_feed (aio_req grp) |
323 | { |
345 | { |
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346 | block_sig (); |
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347 | |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
348 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
325 | { |
349 | { |
326 | int old_len = grp->length; |
350 | int old_len = grp->size; |
327 | |
351 | |
328 | if (grp->fh2 && SvOK (grp->fh2)) |
352 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
353 | { |
330 | dSP; |
354 | dSP; |
331 | |
355 | |
332 | ENTER; |
356 | ENTER; |
333 | SAVETMPS; |
357 | SAVETMPS; |
334 | PUSHMARK (SP); |
358 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
359 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
336 | PUTBACK; |
360 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
361 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
362 | SPAGAIN; |
339 | FREETMPS; |
363 | FREETMPS; |
340 | LEAVE; |
364 | LEAVE; |
341 | } |
365 | } |
342 | |
366 | |
343 | /* stop if no progress has been made */ |
367 | /* stop if no progress has been made */ |
344 | if (old_len == grp->length) |
368 | if (old_len == grp->size) |
345 | { |
369 | { |
346 | SvREFCNT_dec (grp->fh2); |
370 | SvREFCNT_dec (grp->sv2); |
347 | grp->fh2 = 0; |
371 | grp->sv2 = 0; |
348 | break; |
372 | break; |
349 | } |
373 | } |
350 | } |
374 | } |
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375 | |
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376 | unblock_sig (); |
351 | } |
377 | } |
352 | |
378 | |
353 | static void aio_grp_dec (aio_req grp) |
379 | static void aio_grp_dec (aio_req grp) |
354 | { |
380 | { |
355 | --grp->length; |
381 | --grp->size; |
356 | |
382 | |
357 | /* call feeder, if applicable */ |
383 | /* call feeder, if applicable */ |
358 | aio_grp_feed (grp); |
384 | aio_grp_feed (grp); |
359 | |
385 | |
360 | /* finish, if done */ |
386 | /* finish, if done */ |
361 | if (!grp->length && grp->fd) |
387 | if (!grp->size && grp->int1) |
362 | { |
388 | { |
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389 | block_sig (); |
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390 | |
363 | req_invoke (grp); |
391 | if (!req_invoke (grp)) |
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392 | { |
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393 | req_free (grp); |
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394 | unblock_sig (); |
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395 | croak (0); |
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396 | } |
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397 | |
364 | req_free (grp); |
398 | req_free (grp); |
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399 | unblock_sig (); |
365 | } |
400 | } |
366 | } |
401 | } |
367 | |
402 | |
368 | static void req_invoke (aio_req req) |
403 | static int req_invoke (aio_req req) |
369 | { |
404 | { |
370 | dSP; |
405 | dSP; |
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406 | |
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407 | if (req->flags & FLAG_SV1_RO_OFF) |
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408 | SvREADONLY_off (req->sv1); |
371 | |
409 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
410 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
373 | { |
411 | { |
374 | ENTER; |
412 | ENTER; |
375 | SAVETMPS; |
413 | SAVETMPS; |
… | |
… | |
383 | SV *rv = &PL_sv_undef; |
421 | SV *rv = &PL_sv_undef; |
384 | |
422 | |
385 | if (req->result >= 0) |
423 | if (req->result >= 0) |
386 | { |
424 | { |
387 | int i; |
425 | int i; |
388 | char *buf = req->data2ptr; |
426 | char *buf = req->ptr2; |
389 | AV *av = newAV (); |
427 | AV *av = newAV (); |
390 | |
428 | |
391 | av_extend (av, req->result - 1); |
429 | av_extend (av, req->result - 1); |
392 | |
430 | |
393 | for (i = 0; i < req->result; ++i) |
431 | for (i = 0; i < req->result; ++i) |
… | |
… | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
451 | PUSHs (sv_2mortal (newSViv (req->result))); |
414 | PUTBACK; |
452 | PUTBACK; |
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
453 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
416 | SPAGAIN; |
454 | SPAGAIN; |
417 | |
455 | |
418 | fh = SvREFCNT_inc (POPs); |
456 | fh = POPs; |
419 | |
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420 | PUSHMARK (SP); |
457 | PUSHMARK (SP); |
421 | XPUSHs (sv_2mortal (fh)); |
458 | XPUSHs (fh); |
422 | } |
459 | } |
423 | break; |
460 | break; |
424 | |
461 | |
425 | case REQ_GROUP: |
462 | case REQ_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
463 | req->int1 = 2; /* mark group as finished */ |
427 | |
464 | |
428 | if (req->data) |
465 | if (req->sv1) |
429 | { |
466 | { |
430 | int i; |
467 | int i; |
431 | AV *av = (AV *)req->data; |
468 | AV *av = (AV *)req->sv1; |
432 | |
469 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
470 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
471 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
472 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
473 | } |
… | |
… | |
438 | |
475 | |
439 | case REQ_NOP: |
476 | case REQ_NOP: |
440 | case REQ_BUSY: |
477 | case REQ_BUSY: |
441 | break; |
478 | break; |
442 | |
479 | |
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480 | case REQ_READLINK: |
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481 | if (req->result > 0) |
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482 | { |
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483 | SvCUR_set (req->sv1, req->result); |
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484 | *SvEND (req->sv1) = 0; |
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485 | PUSHs (req->sv1); |
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486 | } |
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487 | break; |
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488 | |
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489 | case REQ_STAT: |
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490 | case REQ_LSTAT: |
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491 | case REQ_FSTAT: |
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492 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
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493 | PL_laststatval = req->result; |
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494 | PL_statcache = *(Stat_t *)(req->ptr2); |
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495 | PUSHs (sv_2mortal (newSViv (req->result))); |
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496 | break; |
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497 | |
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498 | case REQ_READ: |
|
|
499 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
500 | *SvEND (req->sv1) = 0; |
|
|
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
502 | break; |
|
|
503 | |
443 | default: |
504 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
505 | PUSHs (sv_2mortal (newSViv (req->result))); |
445 | break; |
506 | break; |
446 | } |
507 | } |
447 | |
508 | |
… | |
… | |
467 | grp->grp_first = req->grp_next; |
528 | grp->grp_first = req->grp_next; |
468 | |
529 | |
469 | aio_grp_dec (grp); |
530 | aio_grp_dec (grp); |
470 | } |
531 | } |
471 | |
532 | |
472 | if (SvTRUE (ERRSV)) |
533 | return !SvTRUE (ERRSV); |
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
534 | } |
478 | |
535 | |
479 | static void req_free (aio_req req) |
536 | static void req_free (aio_req req) |
480 | { |
537 | { |
481 | if (req->self) |
538 | if (req->self) |
482 | { |
539 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
540 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
541 | SvREFCNT_dec (req->self); |
485 | } |
542 | } |
486 | |
543 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
544 | SvREFCNT_dec (req->fh); |
|
|
545 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
546 | SvREFCNT_dec (req->sv2); |
490 | SvREFCNT_dec (req->callback); |
547 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
548 | |
493 | if (req->type == REQ_READDIR) |
549 | if (req->flags & FLAG_PTR2_FREE) |
494 | free (req->data2ptr); |
550 | free (req->ptr2); |
495 | |
551 | |
496 | Safefree (req); |
552 | Safefree (req); |
497 | } |
553 | } |
498 | |
554 | |
499 | static void req_cancel_subs (aio_req grp) |
555 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
501 | aio_req sub; |
557 | aio_req sub; |
502 | |
558 | |
503 | if (grp->type != REQ_GROUP) |
559 | if (grp->type != REQ_GROUP) |
504 | return; |
560 | return; |
505 | |
561 | |
506 | SvREFCNT_dec (grp->fh2); |
562 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
563 | grp->sv2 = 0; |
508 | |
564 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
565 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
510 | req_cancel (sub); |
566 | req_cancel (sub); |
511 | } |
567 | } |
512 | |
568 | |
… | |
… | |
519 | |
575 | |
520 | static void *aio_proc(void *arg); |
576 | static void *aio_proc(void *arg); |
521 | |
577 | |
522 | static void start_thread (void) |
578 | static void start_thread (void) |
523 | { |
579 | { |
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
580 | worker *wrk = calloc (1, sizeof (worker)); |
528 | |
581 | |
529 | if (!wrk) |
582 | if (!wrk) |
530 | croak ("unable to allocate worker thread data"); |
583 | croak ("unable to allocate worker thread data"); |
531 | |
584 | |
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
585 | LOCK (wrklock); |
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
586 | |
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
587 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
545 | { |
588 | { |
546 | wrk->prev = &wrk_first; |
589 | wrk->prev = &wrk_first; |
547 | wrk->next = wrk_first.next; |
590 | wrk->next = wrk_first.next; |
548 | wrk_first.next->prev = wrk; |
591 | wrk_first.next->prev = wrk; |
549 | wrk_first.next = wrk; |
592 | wrk_first.next = wrk; |
550 | ++started; |
593 | ++started; |
551 | } |
594 | } |
552 | else |
595 | else |
553 | free (wrk); |
596 | free (wrk); |
554 | |
597 | |
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
598 | UNLOCK (wrklock); |
557 | } |
599 | } |
558 | |
600 | |
559 | static void maybe_start_thread () |
601 | static void maybe_start_thread () |
560 | { |
602 | { |
561 | #if 0 |
603 | if (get_nthreads () >= wanted) |
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
604 | return; |
568 | |
605 | |
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
606 | /* todo: maybe use idle here, but might be less exact */ |
|
|
607 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
570 | return; |
608 | return; |
571 | |
609 | |
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
610 | start_thread (); |
591 | } |
611 | } |
592 | |
612 | |
593 | static void req_send (aio_req req) |
613 | static void req_send (aio_req req) |
594 | { |
614 | { |
|
|
615 | block_sig (); |
|
|
616 | |
595 | ++nreqs; |
617 | ++nreqs; |
596 | |
618 | |
597 | LOCK (reqlock); |
619 | LOCK (reqlock); |
598 | ++nready; |
620 | ++nready; |
599 | reqq_push (&req_queue, req); |
621 | reqq_push (&req_queue, req); |
600 | pthread_cond_signal (&reqwait); |
622 | COND_SIGNAL (reqwait); |
601 | UNLOCK (reqlock); |
623 | UNLOCK (reqlock); |
|
|
624 | |
|
|
625 | unblock_sig (); |
602 | |
626 | |
603 | maybe_start_thread (); |
627 | maybe_start_thread (); |
604 | } |
628 | } |
605 | |
629 | |
606 | static void end_thread (void) |
630 | static void end_thread (void) |
… | |
… | |
612 | req->type = REQ_QUIT; |
636 | req->type = REQ_QUIT; |
613 | req->pri = PRI_MAX + PRI_BIAS; |
637 | req->pri = PRI_MAX + PRI_BIAS; |
614 | |
638 | |
615 | LOCK (reqlock); |
639 | LOCK (reqlock); |
616 | reqq_push (&req_queue, req); |
640 | reqq_push (&req_queue, req); |
617 | pthread_cond_signal (&reqwait); |
641 | COND_SIGNAL (reqwait); |
618 | UNLOCK (reqlock); |
642 | UNLOCK (reqlock); |
619 | |
643 | |
620 | LOCK (wrklock); |
644 | LOCK (wrklock); |
621 | --started; |
645 | --started; |
622 | UNLOCK (wrklock); |
646 | UNLOCK (wrklock); |
623 | } |
647 | } |
624 | |
648 | |
|
|
649 | static void set_max_idle (int nthreads) |
|
|
650 | { |
|
|
651 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
652 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
653 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
654 | } |
|
|
655 | |
625 | static void min_parallel (int nthreads) |
656 | static void min_parallel (int nthreads) |
626 | { |
657 | { |
627 | if (wanted < nthreads) |
658 | if (wanted < nthreads) |
628 | wanted = nthreads; |
659 | wanted = nthreads; |
629 | } |
660 | } |
… | |
… | |
642 | fd_set rfd; |
673 | fd_set rfd; |
643 | |
674 | |
644 | while (nreqs) |
675 | while (nreqs) |
645 | { |
676 | { |
646 | int size; |
677 | int size; |
647 | if (WORDREAD_UNSAFE) LOCK (reslock); |
678 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
648 | size = res_queue.size; |
679 | size = res_queue.size; |
649 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
680 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
650 | |
681 | |
651 | if (size) |
682 | if (size) |
652 | return; |
683 | return; |
653 | |
684 | |
654 | maybe_start_thread (); |
685 | maybe_start_thread (); |
… | |
… | |
658 | |
689 | |
659 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
690 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
660 | } |
691 | } |
661 | } |
692 | } |
662 | |
693 | |
663 | static int poll_cb (int max) |
694 | static int poll_cb () |
664 | { |
695 | { |
665 | dSP; |
696 | dSP; |
666 | int count = 0; |
697 | int count = 0; |
|
|
698 | int maxreqs = max_poll_reqs; |
667 | int do_croak = 0; |
699 | int do_croak = 0; |
|
|
700 | struct timeval tv_start, tv_now; |
668 | aio_req req; |
701 | aio_req req; |
|
|
702 | |
|
|
703 | if (max_poll_time) |
|
|
704 | gettimeofday (&tv_start, 0); |
|
|
705 | |
|
|
706 | block_sig (); |
669 | |
707 | |
670 | for (;;) |
708 | for (;;) |
671 | { |
709 | { |
672 | while (max <= 0 || count < max) |
710 | for (;;) |
673 | { |
711 | { |
674 | maybe_start_thread (); |
712 | maybe_start_thread (); |
675 | |
713 | |
676 | LOCK (reslock); |
714 | LOCK (reslock); |
677 | req = reqq_shift (&res_queue); |
715 | req = reqq_shift (&res_queue); |
… | |
… | |
681 | --npending; |
719 | --npending; |
682 | |
720 | |
683 | if (!res_queue.size) |
721 | if (!res_queue.size) |
684 | { |
722 | { |
685 | /* read any signals sent by the worker threads */ |
723 | /* read any signals sent by the worker threads */ |
686 | char buf [32]; |
724 | char buf [4]; |
687 | while (read (respipe [0], buf, 32) == 32) |
725 | while (read (respipe [0], buf, 4) == 4) |
688 | ; |
726 | ; |
689 | } |
727 | } |
690 | } |
728 | } |
691 | |
729 | |
692 | UNLOCK (reslock); |
730 | UNLOCK (reslock); |
… | |
… | |
694 | if (!req) |
732 | if (!req) |
695 | break; |
733 | break; |
696 | |
734 | |
697 | --nreqs; |
735 | --nreqs; |
698 | |
736 | |
699 | if (req->type == REQ_GROUP && req->length) |
737 | if (req->type == REQ_GROUP && req->size) |
700 | { |
738 | { |
701 | req->fd = 1; /* mark request as delayed */ |
739 | req->int1 = 1; /* mark request as delayed */ |
702 | continue; |
740 | continue; |
703 | } |
741 | } |
704 | else |
742 | else |
705 | { |
743 | { |
706 | if (req->type == REQ_READ) |
744 | if (!req_invoke (req)) |
707 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
708 | |
|
|
709 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
710 | SvREADONLY_off (req->data); |
|
|
711 | |
|
|
712 | if (req->statdata) |
|
|
713 | { |
745 | { |
714 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
746 | req_free (req); |
715 | PL_laststatval = req->result; |
747 | unblock_sig (); |
716 | PL_statcache = *(req->statdata); |
748 | croak (0); |
717 | } |
749 | } |
718 | |
|
|
719 | req_invoke (req); |
|
|
720 | |
750 | |
721 | count++; |
751 | count++; |
722 | } |
752 | } |
723 | |
753 | |
724 | req_free (req); |
754 | req_free (req); |
|
|
755 | |
|
|
756 | if (maxreqs && !--maxreqs) |
|
|
757 | break; |
|
|
758 | |
|
|
759 | if (max_poll_time) |
|
|
760 | { |
|
|
761 | gettimeofday (&tv_now, 0); |
|
|
762 | |
|
|
763 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
764 | break; |
|
|
765 | } |
725 | } |
766 | } |
726 | |
767 | |
727 | if (nreqs <= max_outstanding) |
768 | if (nreqs <= max_outstanding) |
728 | break; |
769 | break; |
729 | |
770 | |
730 | poll_wait (); |
771 | poll_wait (); |
731 | |
772 | |
732 | max = 0; |
773 | ++maxreqs; |
733 | } |
774 | } |
734 | |
775 | |
|
|
776 | unblock_sig (); |
735 | return count; |
777 | return count; |
736 | } |
778 | } |
737 | |
779 | |
738 | static void create_pipe () |
780 | static void create_pipe () |
739 | { |
781 | { |
… | |
… | |
757 | /* |
799 | /* |
758 | * make our pread/pwrite safe against themselves, but not against |
800 | * make our pread/pwrite safe against themselves, but not against |
759 | * normal read/write by using a mutex. slows down execution a lot, |
801 | * normal read/write by using a mutex. slows down execution a lot, |
760 | * but that's your problem, not mine. |
802 | * but that's your problem, not mine. |
761 | */ |
803 | */ |
762 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
804 | static mutex_t preadwritelock = MUTEX_INIT; |
763 | |
805 | |
764 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
806 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
765 | { |
807 | { |
766 | ssize_t res; |
808 | ssize_t res; |
767 | off_t ooffset; |
809 | off_t ooffset; |
… | |
… | |
818 | #endif |
860 | #endif |
819 | |
861 | |
820 | #if !HAVE_READDIR_R |
862 | #if !HAVE_READDIR_R |
821 | # define readdir_r aio_readdir_r |
863 | # define readdir_r aio_readdir_r |
822 | |
864 | |
823 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
865 | static mutex_t readdirlock = MUTEX_INIT; |
824 | |
866 | |
825 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
867 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
826 | { |
868 | { |
827 | struct dirent *e; |
869 | struct dirent *e; |
828 | int errorno; |
870 | int errorno; |
… | |
… | |
955 | int memofs = 0; |
997 | int memofs = 0; |
956 | int res = 0; |
998 | int res = 0; |
957 | int errorno; |
999 | int errorno; |
958 | |
1000 | |
959 | LOCK (wrklock); |
1001 | LOCK (wrklock); |
960 | self->dirp = dirp = opendir (req->dataptr); |
1002 | self->dirp = dirp = opendir (req->ptr1); |
961 | self->dbuf = u = malloc (sizeof (*u)); |
1003 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1004 | req->flags |= FLAG_PTR2_FREE; |
962 | req->data2ptr = names = malloc (memlen); |
1005 | req->ptr2 = names = malloc (memlen); |
963 | UNLOCK (wrklock); |
1006 | UNLOCK (wrklock); |
964 | |
1007 | |
965 | if (dirp && u && names) |
1008 | if (dirp && u && names) |
966 | for (;;) |
1009 | for (;;) |
967 | { |
1010 | { |
… | |
… | |
981 | |
1024 | |
982 | while (memofs + len > memlen) |
1025 | while (memofs + len > memlen) |
983 | { |
1026 | { |
984 | memlen *= 2; |
1027 | memlen *= 2; |
985 | LOCK (wrklock); |
1028 | LOCK (wrklock); |
986 | req->data2ptr = names = realloc (names, memlen); |
1029 | req->ptr2 = names = realloc (names, memlen); |
987 | UNLOCK (wrklock); |
1030 | UNLOCK (wrklock); |
988 | |
1031 | |
989 | if (!names) |
1032 | if (!names) |
990 | break; |
1033 | break; |
991 | } |
1034 | } |
… | |
… | |
1004 | /*****************************************************************************/ |
1047 | /*****************************************************************************/ |
1005 | |
1048 | |
1006 | static void *aio_proc (void *thr_arg) |
1049 | static void *aio_proc (void *thr_arg) |
1007 | { |
1050 | { |
1008 | aio_req req; |
1051 | aio_req req; |
|
|
1052 | struct timespec ts; |
1009 | worker *self = (worker *)thr_arg; |
1053 | worker *self = (worker *)thr_arg; |
|
|
1054 | |
|
|
1055 | /* try to distribute timeouts somewhat evenly */ |
|
|
1056 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1057 | * (1000000000UL / 1024UL); |
1010 | |
1058 | |
1011 | for (;;) |
1059 | for (;;) |
1012 | { |
1060 | { |
|
|
1061 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1062 | |
1013 | LOCK (reqlock); |
1063 | LOCK (reqlock); |
1014 | |
1064 | |
1015 | for (;;) |
1065 | for (;;) |
1016 | { |
1066 | { |
1017 | self->req = req = reqq_shift (&req_queue); |
1067 | self->req = req = reqq_shift (&req_queue); |
1018 | |
1068 | |
1019 | if (req) |
1069 | if (req) |
1020 | break; |
1070 | break; |
1021 | |
1071 | |
1022 | pthread_cond_wait (&reqwait, &reqlock); |
1072 | ++idle; |
|
|
1073 | |
|
|
1074 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1075 | == ETIMEDOUT) |
|
|
1076 | { |
|
|
1077 | if (idle > max_idle) |
|
|
1078 | { |
|
|
1079 | --idle; |
|
|
1080 | UNLOCK (reqlock); |
|
|
1081 | LOCK (wrklock); |
|
|
1082 | --started; |
|
|
1083 | UNLOCK (wrklock); |
|
|
1084 | goto quit; |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1088 | COND_WAIT (reqwait, reqlock); |
|
|
1089 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1090 | } |
|
|
1091 | |
|
|
1092 | --idle; |
1023 | } |
1093 | } |
1024 | |
1094 | |
1025 | --nready; |
1095 | --nready; |
1026 | |
1096 | |
1027 | UNLOCK (reqlock); |
1097 | UNLOCK (reqlock); |
… | |
… | |
1029 | errno = 0; /* strictly unnecessary */ |
1099 | errno = 0; /* strictly unnecessary */ |
1030 | |
1100 | |
1031 | if (!(req->flags & FLAG_CANCELLED)) |
1101 | if (!(req->flags & FLAG_CANCELLED)) |
1032 | switch (req->type) |
1102 | switch (req->type) |
1033 | { |
1103 | { |
1034 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1104 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1035 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1105 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1036 | |
1106 | |
1037 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1107 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1038 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1108 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1039 | |
1109 | |
1040 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1110 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1041 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1111 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1042 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1112 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1043 | |
1113 | |
1044 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1114 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1045 | case REQ_CLOSE: req->result = close (req->fd); break; |
1115 | case REQ_CLOSE: req->result = close (req->int1); break; |
1046 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1116 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1047 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1117 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1118 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1048 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1049 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1050 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1121 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1051 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
1122 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1123 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1052 | |
1124 | |
1053 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1125 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1054 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1126 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1055 | case REQ_READDIR: scandir_ (req, self); break; |
1127 | case REQ_READDIR: scandir_ (req, self); break; |
1056 | |
1128 | |
1057 | case REQ_BUSY: |
1129 | case REQ_BUSY: |
1058 | { |
1130 | { |
1059 | struct timeval tv; |
1131 | struct timeval tv; |
1060 | |
1132 | |
1061 | tv.tv_sec = req->fd; |
1133 | tv.tv_sec = req->int1; |
1062 | tv.tv_usec = req->fd2; |
1134 | tv.tv_usec = req->int2; |
1063 | |
1135 | |
1064 | req->result = select (0, 0, 0, 0, &tv); |
1136 | req->result = select (0, 0, 0, 0, &tv); |
1065 | } |
1137 | } |
1066 | |
1138 | |
1067 | case REQ_GROUP: |
1139 | case REQ_GROUP: |
1068 | case REQ_NOP: |
1140 | case REQ_NOP: |
1069 | break; |
1141 | break; |
1070 | |
1142 | |
1071 | case REQ_QUIT: |
1143 | case REQ_QUIT: |
1072 | LOCK (wrklock); |
1144 | goto quit; |
1073 | worker_free (self); |
|
|
1074 | --started; |
|
|
1075 | UNLOCK (wrklock); |
|
|
1076 | return 0; |
|
|
1077 | |
1145 | |
1078 | default: |
1146 | default: |
1079 | req->result = ENOSYS; |
1147 | req->result = ENOSYS; |
1080 | break; |
1148 | break; |
1081 | } |
1149 | } |
… | |
… | |
1085 | LOCK (reslock); |
1153 | LOCK (reslock); |
1086 | |
1154 | |
1087 | ++npending; |
1155 | ++npending; |
1088 | |
1156 | |
1089 | if (!reqq_push (&res_queue, req)) |
1157 | if (!reqq_push (&res_queue, req)) |
|
|
1158 | { |
1090 | /* write a dummy byte to the pipe so fh becomes ready */ |
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
1091 | write (respipe [1], &respipe, 1); |
1160 | write (respipe [1], &respipe, 1); |
|
|
1161 | |
|
|
1162 | /* optionally signal the main thread asynchronously */ |
|
|
1163 | if (main_sig) |
|
|
1164 | pthread_kill (main_tid, main_sig); |
|
|
1165 | } |
1092 | |
1166 | |
1093 | self->req = 0; |
1167 | self->req = 0; |
1094 | worker_clear (self); |
1168 | worker_clear (self); |
1095 | |
1169 | |
1096 | UNLOCK (reslock); |
1170 | UNLOCK (reslock); |
1097 | } |
1171 | } |
|
|
1172 | |
|
|
1173 | quit: |
|
|
1174 | LOCK (wrklock); |
|
|
1175 | worker_free (self); |
|
|
1176 | UNLOCK (wrklock); |
|
|
1177 | |
|
|
1178 | return 0; |
1098 | } |
1179 | } |
1099 | |
1180 | |
1100 | /*****************************************************************************/ |
1181 | /*****************************************************************************/ |
1101 | |
1182 | |
1102 | static void atfork_prepare (void) |
1183 | static void atfork_prepare (void) |
… | |
… | |
1144 | |
1225 | |
1145 | worker_clear (wrk); |
1226 | worker_clear (wrk); |
1146 | worker_free (wrk); |
1227 | worker_free (wrk); |
1147 | } |
1228 | } |
1148 | |
1229 | |
1149 | started = 0; |
1230 | started = 0; |
|
|
1231 | idle = 0; |
1150 | nreqs = 0; |
1232 | nreqs = 0; |
|
|
1233 | nready = 0; |
|
|
1234 | npending = 0; |
1151 | |
1235 | |
1152 | close (respipe [0]); |
1236 | close (respipe [0]); |
1153 | close (respipe [1]); |
1237 | close (respipe [1]); |
1154 | create_pipe (); |
1238 | create_pipe (); |
1155 | |
1239 | |
… | |
… | |
1189 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1273 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1190 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1274 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1191 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1275 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1192 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1276 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1193 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1277 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1278 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1194 | |
1279 | |
1195 | create_pipe (); |
1280 | create_pipe (); |
1196 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1281 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1197 | |
|
|
1198 | start_thread (); |
|
|
1199 | } |
1282 | } |
|
|
1283 | |
|
|
1284 | void |
|
|
1285 | max_poll_reqs (int nreqs) |
|
|
1286 | PROTOTYPE: $ |
|
|
1287 | CODE: |
|
|
1288 | max_poll_reqs = nreqs; |
|
|
1289 | |
|
|
1290 | void |
|
|
1291 | max_poll_time (double nseconds) |
|
|
1292 | PROTOTYPE: $ |
|
|
1293 | CODE: |
|
|
1294 | max_poll_time = nseconds * AIO_TICKS; |
1200 | |
1295 | |
1201 | void |
1296 | void |
1202 | min_parallel (int nthreads) |
1297 | min_parallel (int nthreads) |
1203 | PROTOTYPE: $ |
1298 | PROTOTYPE: $ |
1204 | |
1299 | |
1205 | void |
1300 | void |
1206 | max_parallel (int nthreads) |
1301 | max_parallel (int nthreads) |
1207 | PROTOTYPE: $ |
1302 | PROTOTYPE: $ |
|
|
1303 | |
|
|
1304 | void |
|
|
1305 | max_idle (int nthreads) |
|
|
1306 | PROTOTYPE: $ |
|
|
1307 | CODE: |
|
|
1308 | set_max_idle (nthreads); |
1208 | |
1309 | |
1209 | int |
1310 | int |
1210 | max_outstanding (int maxreqs) |
1311 | max_outstanding (int maxreqs) |
1211 | PROTOTYPE: $ |
1312 | PROTOTYPE: $ |
1212 | CODE: |
1313 | CODE: |
… | |
… | |
1215 | OUTPUT: |
1316 | OUTPUT: |
1216 | RETVAL |
1317 | RETVAL |
1217 | |
1318 | |
1218 | void |
1319 | void |
1219 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1320 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1220 | SV * pathname |
1321 | SV8 * pathname |
1221 | int flags |
1322 | int flags |
1222 | int mode |
1323 | int mode |
1223 | SV * callback |
1324 | SV * callback |
1224 | PROTOTYPE: $$$;$ |
1325 | PROTOTYPE: $$$;$ |
1225 | PPCODE: |
1326 | PPCODE: |
1226 | { |
1327 | { |
1227 | dREQ; |
1328 | dREQ; |
1228 | |
1329 | |
1229 | req->type = REQ_OPEN; |
1330 | req->type = REQ_OPEN; |
1230 | req->data = newSVsv (pathname); |
1331 | req->sv1 = newSVsv (pathname); |
1231 | req->dataptr = SvPVbyte_nolen (req->data); |
1332 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1232 | req->fd = flags; |
1333 | req->int1 = flags; |
1233 | req->mode = mode; |
1334 | req->mode = mode; |
1234 | |
1335 | |
1235 | REQ_SEND; |
1336 | REQ_SEND; |
1236 | } |
1337 | } |
1237 | |
1338 | |
… | |
… | |
1247 | PPCODE: |
1348 | PPCODE: |
1248 | { |
1349 | { |
1249 | dREQ; |
1350 | dREQ; |
1250 | |
1351 | |
1251 | req->type = ix; |
1352 | req->type = ix; |
1252 | req->fh = newSVsv (fh); |
1353 | req->fh = newSVsv (fh); |
1253 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1354 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1254 | |
1355 | |
1255 | REQ_SEND (req); |
1356 | REQ_SEND (req); |
1256 | } |
1357 | } |
1257 | |
1358 | |
1258 | void |
1359 | void |
1259 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1360 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1260 | SV * fh |
1361 | SV * fh |
1261 | UV offset |
1362 | UV offset |
1262 | UV length |
1363 | UV length |
1263 | SV * data |
1364 | SV8 * data |
1264 | UV dataoffset |
1365 | UV dataoffset |
1265 | SV * callback |
1366 | SV * callback |
1266 | ALIAS: |
1367 | ALIAS: |
1267 | aio_read = REQ_READ |
1368 | aio_read = REQ_READ |
1268 | aio_write = REQ_WRITE |
1369 | aio_write = REQ_WRITE |
1269 | PROTOTYPE: $$$$$;$ |
1370 | PROTOTYPE: $$$$$;$ |
1270 | PPCODE: |
1371 | PPCODE: |
1271 | { |
1372 | { |
1272 | aio_req req; |
|
|
1273 | STRLEN svlen; |
1373 | STRLEN svlen; |
1274 | char *svptr = SvPVbyte (data, svlen); |
1374 | char *svptr = SvPVbyte (data, svlen); |
1275 | |
1375 | |
1276 | SvUPGRADE (data, SVt_PV); |
1376 | SvUPGRADE (data, SVt_PV); |
1277 | SvPOK_on (data); |
1377 | SvPOK_on (data); |
… | |
… | |
1289 | length = svlen - dataoffset; |
1389 | length = svlen - dataoffset; |
1290 | } |
1390 | } |
1291 | else |
1391 | else |
1292 | { |
1392 | { |
1293 | /* read: grow scalar as necessary */ |
1393 | /* read: grow scalar as necessary */ |
1294 | svptr = SvGROW (data, length + dataoffset); |
1394 | svptr = SvGROW (data, length + dataoffset + 1); |
1295 | } |
1395 | } |
1296 | |
1396 | |
1297 | if (length < 0) |
1397 | if (length < 0) |
1298 | croak ("length must not be negative"); |
1398 | croak ("length must not be negative"); |
1299 | |
1399 | |
1300 | { |
1400 | { |
1301 | dREQ; |
1401 | dREQ; |
1302 | |
1402 | |
1303 | req->type = ix; |
1403 | req->type = ix; |
1304 | req->fh = newSVsv (fh); |
1404 | req->fh = newSVsv (fh); |
1305 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1405 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1306 | : IoOFP (sv_2io (fh))); |
1406 | : IoOFP (sv_2io (fh))); |
1307 | req->offset = offset; |
1407 | req->offs = offset; |
1308 | req->length = length; |
1408 | req->size = length; |
1309 | req->data = SvREFCNT_inc (data); |
1409 | req->sv1 = SvREFCNT_inc (data); |
1310 | req->dataptr = (char *)svptr + dataoffset; |
1410 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1411 | req->stroffset = dataoffset; |
1311 | |
1412 | |
1312 | if (!SvREADONLY (data)) |
1413 | if (!SvREADONLY (data)) |
1313 | { |
1414 | { |
1314 | SvREADONLY_on (data); |
1415 | SvREADONLY_on (data); |
1315 | req->data2ptr = (void *)data; |
1416 | req->flags |= FLAG_SV1_RO_OFF; |
1316 | } |
1417 | } |
1317 | |
1418 | |
1318 | REQ_SEND; |
1419 | REQ_SEND; |
1319 | } |
1420 | } |
|
|
1421 | } |
|
|
1422 | |
|
|
1423 | void |
|
|
1424 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1425 | SV8 * path |
|
|
1426 | SV * callback |
|
|
1427 | PROTOTYPE: $$;$ |
|
|
1428 | PPCODE: |
|
|
1429 | { |
|
|
1430 | SV *data; |
|
|
1431 | dREQ; |
|
|
1432 | |
|
|
1433 | data = newSV (NAME_MAX); |
|
|
1434 | SvPOK_on (data); |
|
|
1435 | |
|
|
1436 | req->type = REQ_READLINK; |
|
|
1437 | req->fh = newSVsv (path); |
|
|
1438 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1439 | req->sv1 = data; |
|
|
1440 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1441 | |
|
|
1442 | REQ_SEND; |
1320 | } |
1443 | } |
1321 | |
1444 | |
1322 | void |
1445 | void |
1323 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1446 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1324 | SV * out_fh |
1447 | SV * out_fh |
… | |
… | |
1330 | PPCODE: |
1453 | PPCODE: |
1331 | { |
1454 | { |
1332 | dREQ; |
1455 | dREQ; |
1333 | |
1456 | |
1334 | req->type = REQ_SENDFILE; |
1457 | req->type = REQ_SENDFILE; |
1335 | req->fh = newSVsv (out_fh); |
1458 | req->fh = newSVsv (out_fh); |
1336 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1459 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1337 | req->fh2 = newSVsv (in_fh); |
1460 | req->sv2 = newSVsv (in_fh); |
1338 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1461 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1339 | req->offset = in_offset; |
1462 | req->offs = in_offset; |
1340 | req->length = length; |
1463 | req->size = length; |
1341 | |
1464 | |
1342 | REQ_SEND; |
1465 | REQ_SEND; |
1343 | } |
1466 | } |
1344 | |
1467 | |
1345 | void |
1468 | void |
… | |
… | |
1352 | PPCODE: |
1475 | PPCODE: |
1353 | { |
1476 | { |
1354 | dREQ; |
1477 | dREQ; |
1355 | |
1478 | |
1356 | req->type = REQ_READAHEAD; |
1479 | req->type = REQ_READAHEAD; |
1357 | req->fh = newSVsv (fh); |
1480 | req->fh = newSVsv (fh); |
1358 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1481 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1359 | req->offset = offset; |
1482 | req->offs = offset; |
1360 | req->length = length; |
1483 | req->size = length; |
1361 | |
1484 | |
1362 | REQ_SEND; |
1485 | REQ_SEND; |
1363 | } |
1486 | } |
1364 | |
1487 | |
1365 | void |
1488 | void |
1366 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1489 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1367 | SV * fh_or_path |
1490 | SV8 * fh_or_path |
1368 | SV * callback |
1491 | SV * callback |
1369 | ALIAS: |
1492 | ALIAS: |
1370 | aio_stat = REQ_STAT |
1493 | aio_stat = REQ_STAT |
1371 | aio_lstat = REQ_LSTAT |
1494 | aio_lstat = REQ_LSTAT |
1372 | PPCODE: |
1495 | PPCODE: |
1373 | { |
1496 | { |
1374 | dREQ; |
1497 | dREQ; |
1375 | |
1498 | |
1376 | New (0, req->statdata, 1, Stat_t); |
1499 | req->ptr2 = malloc (sizeof (Stat_t)); |
1377 | if (!req->statdata) |
1500 | if (!req->ptr2) |
1378 | { |
1501 | { |
1379 | req_free (req); |
1502 | req_free (req); |
1380 | croak ("out of memory during aio_req->statdata allocation"); |
1503 | croak ("out of memory during aio_stat statdata allocation"); |
1381 | } |
1504 | } |
|
|
1505 | |
|
|
1506 | req->flags |= FLAG_PTR2_FREE; |
1382 | |
1507 | |
1383 | if (SvPOK (fh_or_path)) |
1508 | if (SvPOK (fh_or_path)) |
1384 | { |
1509 | { |
1385 | req->type = ix; |
1510 | req->type = ix; |
1386 | req->data = newSVsv (fh_or_path); |
1511 | req->sv1 = newSVsv (fh_or_path); |
1387 | req->dataptr = SvPVbyte_nolen (req->data); |
1512 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1388 | } |
1513 | } |
1389 | else |
1514 | else |
1390 | { |
1515 | { |
1391 | req->type = REQ_FSTAT; |
1516 | req->type = REQ_FSTAT; |
1392 | req->fh = newSVsv (fh_or_path); |
1517 | req->fh = newSVsv (fh_or_path); |
1393 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1518 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1394 | } |
1519 | } |
1395 | |
1520 | |
1396 | REQ_SEND; |
1521 | REQ_SEND; |
1397 | } |
1522 | } |
1398 | |
1523 | |
1399 | void |
1524 | void |
1400 | aio_unlink (pathname,callback=&PL_sv_undef) |
1525 | aio_unlink (pathname,callback=&PL_sv_undef) |
1401 | SV * pathname |
1526 | SV8 * pathname |
1402 | SV * callback |
1527 | SV * callback |
1403 | ALIAS: |
1528 | ALIAS: |
1404 | aio_unlink = REQ_UNLINK |
1529 | aio_unlink = REQ_UNLINK |
1405 | aio_rmdir = REQ_RMDIR |
1530 | aio_rmdir = REQ_RMDIR |
1406 | aio_readdir = REQ_READDIR |
1531 | aio_readdir = REQ_READDIR |
1407 | PPCODE: |
1532 | PPCODE: |
1408 | { |
1533 | { |
1409 | dREQ; |
1534 | dREQ; |
1410 | |
1535 | |
1411 | req->type = ix; |
1536 | req->type = ix; |
1412 | req->data = newSVsv (pathname); |
1537 | req->sv1 = newSVsv (pathname); |
1413 | req->dataptr = SvPVbyte_nolen (req->data); |
1538 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1539 | |
|
|
1540 | REQ_SEND; |
|
|
1541 | } |
|
|
1542 | |
|
|
1543 | void |
|
|
1544 | aio_mkdir (pathname,mode,callback=&PL_sv_undef) |
|
|
1545 | SV8 * pathname |
|
|
1546 | UV mode |
|
|
1547 | SV * callback |
|
|
1548 | PPCODE: |
|
|
1549 | { |
|
|
1550 | dREQ; |
1414 | |
1551 | |
|
|
1552 | req->type = REQ_MKDIR; |
|
|
1553 | req->sv1 = newSVsv (pathname); |
|
|
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1555 | req->mode = mode; |
|
|
1556 | |
1415 | REQ_SEND; |
1557 | REQ_SEND; |
1416 | } |
1558 | } |
1417 | |
1559 | |
1418 | void |
1560 | void |
1419 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1561 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1420 | SV * oldpath |
1562 | SV8 * oldpath |
1421 | SV * newpath |
1563 | SV8 * newpath |
1422 | SV * callback |
1564 | SV * callback |
1423 | ALIAS: |
1565 | ALIAS: |
1424 | aio_link = REQ_LINK |
1566 | aio_link = REQ_LINK |
1425 | aio_symlink = REQ_SYMLINK |
1567 | aio_symlink = REQ_SYMLINK |
1426 | aio_rename = REQ_RENAME |
1568 | aio_rename = REQ_RENAME |
1427 | PPCODE: |
1569 | PPCODE: |
1428 | { |
1570 | { |
1429 | dREQ; |
1571 | dREQ; |
1430 | |
1572 | |
1431 | req->type = ix; |
1573 | req->type = ix; |
1432 | req->fh = newSVsv (oldpath); |
1574 | req->fh = newSVsv (oldpath); |
1433 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1575 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1434 | req->data = newSVsv (newpath); |
1576 | req->sv1 = newSVsv (newpath); |
1435 | req->dataptr = SvPVbyte_nolen (req->data); |
1577 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1436 | |
1578 | |
1437 | REQ_SEND; |
1579 | REQ_SEND; |
1438 | } |
1580 | } |
1439 | |
1581 | |
1440 | void |
1582 | void |
1441 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1583 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1442 | SV * pathname |
1584 | SV8 * pathname |
1443 | SV * callback |
|
|
1444 | UV mode |
1585 | UV mode |
1445 | UV dev |
1586 | UV dev |
|
|
1587 | SV * callback |
1446 | PPCODE: |
1588 | PPCODE: |
1447 | { |
1589 | { |
1448 | dREQ; |
1590 | dREQ; |
1449 | |
1591 | |
1450 | req->type = REQ_MKNOD; |
1592 | req->type = REQ_MKNOD; |
1451 | req->data = newSVsv (pathname); |
1593 | req->sv1 = newSVsv (pathname); |
1452 | req->dataptr = SvPVbyte_nolen (req->data); |
1594 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1453 | req->mode = (mode_t)mode; |
1595 | req->mode = (mode_t)mode; |
1454 | req->offset = dev; |
1596 | req->offs = dev; |
1455 | |
1597 | |
1456 | REQ_SEND; |
1598 | REQ_SEND; |
1457 | } |
1599 | } |
1458 | |
1600 | |
1459 | void |
1601 | void |
1460 | aio_busy (delay,callback=&PL_sv_undef) |
1602 | aio_busy (delay,callback=&PL_sv_undef) |
1461 | double delay |
1603 | double delay |
1462 | SV * callback |
1604 | SV * callback |
1463 | PPCODE: |
1605 | PPCODE: |
1464 | { |
1606 | { |
1465 | dREQ; |
1607 | dREQ; |
1466 | |
1608 | |
1467 | req->type = REQ_BUSY; |
1609 | req->type = REQ_BUSY; |
1468 | req->fd = delay < 0. ? 0 : delay; |
1610 | req->int1 = delay < 0. ? 0 : delay; |
1469 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1611 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1470 | |
1612 | |
1471 | REQ_SEND; |
1613 | REQ_SEND; |
1472 | } |
1614 | } |
1473 | |
1615 | |
1474 | void |
1616 | void |
… | |
… | |
1478 | PPCODE: |
1620 | PPCODE: |
1479 | { |
1621 | { |
1480 | dREQ; |
1622 | dREQ; |
1481 | |
1623 | |
1482 | req->type = REQ_GROUP; |
1624 | req->type = REQ_GROUP; |
|
|
1625 | |
1483 | req_send (req); |
1626 | req_send (req); |
1484 | |
|
|
1485 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1627 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1486 | } |
1628 | } |
1487 | |
1629 | |
1488 | void |
1630 | void |
1489 | aio_nop (callback=&PL_sv_undef) |
1631 | aio_nop (callback=&PL_sv_undef) |
1490 | SV * callback |
1632 | SV * callback |
1491 | PPCODE: |
1633 | PPCODE: |
1492 | { |
1634 | { |
1493 | dREQ; |
1635 | dREQ; |
1494 | |
1636 | |
1495 | req->type = REQ_NOP; |
1637 | req->type = REQ_NOP; |
… | |
… | |
1524 | PROTOTYPE: |
1666 | PROTOTYPE: |
1525 | CODE: |
1667 | CODE: |
1526 | while (nreqs) |
1668 | while (nreqs) |
1527 | { |
1669 | { |
1528 | poll_wait (); |
1670 | poll_wait (); |
1529 | poll_cb (0); |
1671 | poll_cb (); |
1530 | } |
1672 | } |
1531 | |
1673 | |
1532 | void |
1674 | int |
1533 | poll() |
1675 | poll() |
1534 | PROTOTYPE: |
1676 | PROTOTYPE: |
1535 | CODE: |
1677 | CODE: |
1536 | if (nreqs) |
|
|
1537 | { |
|
|
1538 | poll_wait (); |
1678 | poll_wait (); |
1539 | poll_cb (0); |
1679 | RETVAL = poll_cb (); |
1540 | } |
1680 | OUTPUT: |
|
|
1681 | RETVAL |
1541 | |
1682 | |
1542 | int |
1683 | int |
1543 | poll_fileno() |
1684 | poll_fileno() |
1544 | PROTOTYPE: |
1685 | PROTOTYPE: |
1545 | CODE: |
1686 | CODE: |
… | |
… | |
1549 | |
1690 | |
1550 | int |
1691 | int |
1551 | poll_cb(...) |
1692 | poll_cb(...) |
1552 | PROTOTYPE: |
1693 | PROTOTYPE: |
1553 | CODE: |
1694 | CODE: |
1554 | RETVAL = poll_cb (0); |
1695 | RETVAL = poll_cb (); |
1555 | OUTPUT: |
|
|
1556 | RETVAL |
|
|
1557 | |
|
|
1558 | int |
|
|
1559 | poll_some(int max = 0) |
|
|
1560 | PROTOTYPE: $ |
|
|
1561 | CODE: |
|
|
1562 | RETVAL = poll_cb (max); |
|
|
1563 | OUTPUT: |
1696 | OUTPUT: |
1564 | RETVAL |
1697 | RETVAL |
1565 | |
1698 | |
1566 | void |
1699 | void |
1567 | poll_wait() |
1700 | poll_wait() |
1568 | PROTOTYPE: |
1701 | PROTOTYPE: |
1569 | CODE: |
1702 | CODE: |
1570 | if (nreqs) |
|
|
1571 | poll_wait (); |
1703 | poll_wait (); |
|
|
1704 | |
|
|
1705 | void |
|
|
1706 | setsig (int signum = SIGIO) |
|
|
1707 | PROTOTYPE: ;$ |
|
|
1708 | CODE: |
|
|
1709 | { |
|
|
1710 | if (block_sig_level) |
|
|
1711 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1712 | |
|
|
1713 | LOCK (reslock); |
|
|
1714 | main_tid = pthread_self (); |
|
|
1715 | main_sig = signum; |
|
|
1716 | UNLOCK (reslock); |
|
|
1717 | |
|
|
1718 | if (main_sig && npending) |
|
|
1719 | pthread_kill (main_tid, main_sig); |
|
|
1720 | } |
|
|
1721 | |
|
|
1722 | void |
|
|
1723 | aio_block (SV *cb) |
|
|
1724 | PROTOTYPE: & |
|
|
1725 | PPCODE: |
|
|
1726 | { |
|
|
1727 | int count; |
|
|
1728 | |
|
|
1729 | block_sig (); |
|
|
1730 | PUSHMARK (SP); |
|
|
1731 | PUTBACK; |
|
|
1732 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1733 | SPAGAIN; |
|
|
1734 | unblock_sig (); |
|
|
1735 | |
|
|
1736 | if (SvTRUE (ERRSV)) |
|
|
1737 | croak (0); |
|
|
1738 | |
|
|
1739 | XSRETURN (count); |
|
|
1740 | } |
1572 | |
1741 | |
1573 | int |
1742 | int |
1574 | nreqs() |
1743 | nreqs() |
1575 | PROTOTYPE: |
1744 | PROTOTYPE: |
1576 | CODE: |
1745 | CODE: |
… | |
… | |
1592 | CODE: |
1761 | CODE: |
1593 | RETVAL = get_npending (); |
1762 | RETVAL = get_npending (); |
1594 | OUTPUT: |
1763 | OUTPUT: |
1595 | RETVAL |
1764 | RETVAL |
1596 | |
1765 | |
|
|
1766 | int |
|
|
1767 | nthreads() |
|
|
1768 | PROTOTYPE: |
|
|
1769 | CODE: |
|
|
1770 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1771 | RETVAL = started; |
|
|
1772 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1773 | OUTPUT: |
|
|
1774 | RETVAL |
|
|
1775 | |
1597 | PROTOTYPES: DISABLE |
1776 | PROTOTYPES: DISABLE |
1598 | |
1777 | |
1599 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1778 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1600 | |
1779 | |
1601 | void |
1780 | void |
… | |
… | |
1616 | PPCODE: |
1795 | PPCODE: |
1617 | { |
1796 | { |
1618 | int i; |
1797 | int i; |
1619 | aio_req req; |
1798 | aio_req req; |
1620 | |
1799 | |
|
|
1800 | if (main_sig && !block_sig_level) |
|
|
1801 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1802 | |
1621 | if (grp->fd == 2) |
1803 | if (grp->int1 == 2) |
1622 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1804 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1623 | |
1805 | |
1624 | for (i = 1; i < items; ++i ) |
1806 | for (i = 1; i < items; ++i ) |
1625 | { |
1807 | { |
1626 | if (GIMME_V != G_VOID) |
1808 | if (GIMME_V != G_VOID) |
… | |
… | |
1628 | |
1810 | |
1629 | req = SvAIO_REQ (ST (i)); |
1811 | req = SvAIO_REQ (ST (i)); |
1630 | |
1812 | |
1631 | if (req) |
1813 | if (req) |
1632 | { |
1814 | { |
1633 | ++grp->length; |
1815 | ++grp->size; |
1634 | req->grp = grp; |
1816 | req->grp = grp; |
1635 | |
1817 | |
1636 | req->grp_prev = 0; |
1818 | req->grp_prev = 0; |
1637 | req->grp_next = grp->grp_first; |
1819 | req->grp_next = grp->grp_first; |
1638 | |
1820 | |
… | |
… | |
1661 | av = newAV (); |
1843 | av = newAV (); |
1662 | |
1844 | |
1663 | for (i = 1; i < items; ++i ) |
1845 | for (i = 1; i < items; ++i ) |
1664 | av_push (av, newSVsv (ST (i))); |
1846 | av_push (av, newSVsv (ST (i))); |
1665 | |
1847 | |
1666 | SvREFCNT_dec (grp->data); |
1848 | SvREFCNT_dec (grp->sv1); |
1667 | grp->data = (SV *)av; |
1849 | grp->sv1 = (SV *)av; |
1668 | } |
1850 | } |
1669 | |
1851 | |
1670 | void |
1852 | void |
1671 | errno (aio_req grp, int errorno = errno) |
1853 | errno (aio_req grp, int errorno = errno) |
1672 | CODE: |
1854 | CODE: |
1673 | grp->errorno = errorno; |
1855 | grp->errorno = errorno; |
1674 | |
1856 | |
1675 | void |
1857 | void |
1676 | limit (aio_req grp, int limit) |
1858 | limit (aio_req grp, int limit) |
1677 | CODE: |
1859 | CODE: |
1678 | grp->fd2 = limit; |
1860 | grp->int2 = limit; |
1679 | aio_grp_feed (grp); |
1861 | aio_grp_feed (grp); |
1680 | |
1862 | |
1681 | void |
1863 | void |
1682 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1864 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1683 | CODE: |
1865 | CODE: |
1684 | { |
1866 | { |
1685 | SvREFCNT_dec (grp->fh2); |
1867 | SvREFCNT_dec (grp->sv2); |
1686 | grp->fh2 = newSVsv (callback); |
1868 | grp->sv2 = newSVsv (callback); |
1687 | |
1869 | |
1688 | if (grp->fd2 <= 0) |
1870 | if (grp->int2 <= 0) |
1689 | grp->fd2 = 2; |
1871 | grp->int2 = 2; |
1690 | |
1872 | |
1691 | aio_grp_feed (grp); |
1873 | aio_grp_feed (grp); |
1692 | } |
1874 | } |
1693 | |
1875 | |