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> |
27 | #include <limits.h> |
18 | #include <limits.h> |
28 | #include <unistd.h> |
19 | #include <unistd.h> |
29 | #include <fcntl.h> |
20 | #include <fcntl.h> |
30 | #include <signal.h> |
21 | #include <signal.h> |
31 | #include <sched.h> |
22 | #include <sched.h> |
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23 | #include <utime.h> |
32 | |
24 | |
33 | #if HAVE_SENDFILE |
25 | #if HAVE_SENDFILE |
34 | # if __linux |
26 | # if __linux |
35 | # include <sys/sendfile.h> |
27 | # include <sys/sendfile.h> |
36 | # elif __freebsd |
28 | # elif __freebsd |
… | |
… | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
43 | /* used for struct dirent, AIX doesn't provide it */ |
52 | #ifndef NAME_MAX |
44 | #ifndef NAME_MAX |
53 | # define NAME_MAX 4096 |
45 | # define NAME_MAX 4096 |
54 | #endif |
46 | #endif |
55 | |
47 | |
56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
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79 | #endif |
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80 | |
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81 | /* buffer size for various temporary buffers */ |
48 | /* buffer size for various temporary buffers */ |
82 | #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 |
83 | |
57 | |
84 | #define dBUF \ |
58 | #define dBUF \ |
85 | char *aio_buf; \ |
59 | char *aio_buf; \ |
86 | LOCK (wrklock); \ |
60 | LOCK (wrklock); \ |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
61 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
… | |
… | |
92 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
66 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
93 | |
67 | |
94 | enum { |
68 | enum { |
95 | REQ_QUIT, |
69 | REQ_QUIT, |
96 | REQ_OPEN, REQ_CLOSE, |
70 | REQ_OPEN, REQ_CLOSE, |
97 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
71 | REQ_READ, REQ_WRITE, |
98 | REQ_SENDFILE, |
72 | REQ_READAHEAD, REQ_SENDFILE, |
99 | 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, |
100 | REQ_FSYNC, REQ_FDATASYNC, |
77 | REQ_FSYNC, REQ_FDATASYNC, |
101 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
78 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
102 | REQ_MKNOD, REQ_READDIR, |
79 | REQ_MKNOD, REQ_READDIR, |
103 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
80 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
104 | REQ_GROUP, REQ_NOP, |
81 | REQ_GROUP, REQ_NOP, |
105 | REQ_BUSY, |
82 | REQ_BUSY, |
106 | }; |
83 | }; |
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110 | |
87 | |
111 | typedef struct aio_cb |
88 | typedef struct aio_cb |
112 | { |
89 | { |
113 | struct aio_cb *volatile next; |
90 | struct aio_cb *volatile next; |
114 | |
91 | |
115 | SV *callback, *fh; |
92 | SV *callback; |
116 | SV *sv1, *sv2; |
93 | SV *sv1, *sv2; |
117 | void *ptr1, *ptr2; |
94 | void *ptr1, *ptr2; |
118 | off_t offs; |
95 | off_t offs; |
119 | size_t size; |
96 | size_t size; |
120 | ssize_t result; |
97 | ssize_t result; |
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98 | double nv1, nv2; |
121 | |
99 | |
122 | STRLEN stroffset; |
100 | STRLEN stroffset; |
123 | int type; |
101 | int type; |
124 | int int1, int2; |
102 | int int1, int2, int3; |
125 | int errorno; |
103 | int errorno; |
126 | mode_t mode; /* open */ |
104 | mode_t mode; /* open */ |
127 | |
105 | |
128 | unsigned char flags; |
106 | unsigned char flags; |
129 | unsigned char pri; |
107 | unsigned char pri; |
… | |
… | |
132 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
110 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
133 | } aio_cb; |
111 | } aio_cb; |
134 | |
112 | |
135 | enum { |
113 | enum { |
136 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
114 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
137 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
115 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
138 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
116 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
139 | }; |
117 | }; |
140 | |
118 | |
141 | typedef aio_cb *aio_req; |
119 | typedef aio_cb *aio_req; |
142 | typedef aio_cb *aio_req_ornot; |
120 | typedef aio_cb *aio_req_ornot; |
… | |
… | |
160 | { |
138 | { |
161 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
139 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
162 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
140 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
163 | } |
141 | } |
164 | |
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 | |
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
177 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
166 | |
178 | |
167 | static unsigned int started, idle, wanted; |
179 | static unsigned int started, idle, wanted; |
168 | |
180 | |
169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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171 | #else |
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172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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173 | #endif |
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174 | |
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175 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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176 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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177 | |
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178 | /* worker threads management */ |
181 | /* worker threads management */ |
179 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
182 | static mutex_t wrklock = MUTEX_INIT; |
180 | |
183 | |
181 | typedef struct worker { |
184 | typedef struct worker { |
182 | /* locked by wrklock */ |
185 | /* locked by wrklock */ |
183 | struct worker *prev, *next; |
186 | struct worker *prev, *next; |
184 | |
187 | |
185 | pthread_t tid; |
188 | thread_t tid; |
186 | |
189 | |
187 | /* locked by reslock, reqlock or wrklock */ |
190 | /* locked by reslock, reqlock or wrklock */ |
188 | aio_req req; /* currently processed request */ |
191 | aio_req req; /* currently processed request */ |
189 | void *dbuf; |
192 | void *dbuf; |
190 | DIR *dirp; |
193 | DIR *dirp; |
… | |
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218 | static volatile unsigned int nreqs, nready, npending; |
221 | static volatile unsigned int nreqs, nready, npending; |
219 | static volatile unsigned int max_idle = 4; |
222 | static volatile unsigned int max_idle = 4; |
220 | static volatile unsigned int max_outstanding = 0xffffffff; |
223 | static volatile unsigned int max_outstanding = 0xffffffff; |
221 | static int respipe [2]; |
224 | static int respipe [2]; |
222 | |
225 | |
223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
226 | static mutex_t reslock = MUTEX_INIT; |
224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
227 | static mutex_t reqlock = MUTEX_INIT; |
225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
228 | static cond_t reqwait = COND_INIT; |
226 | |
229 | |
227 | #if WORDACCESS_UNSAFE |
230 | #if WORDACCESS_UNSAFE |
228 | |
231 | |
229 | static unsigned int get_nready () |
232 | static unsigned int get_nready () |
230 | { |
233 | { |
… | |
… | |
320 | |
323 | |
321 | abort (); |
324 | abort (); |
322 | } |
325 | } |
323 | |
326 | |
324 | static int poll_cb (); |
327 | static int poll_cb (); |
325 | static void req_invoke (aio_req req); |
328 | static int req_invoke (aio_req req); |
326 | static void req_free (aio_req req); |
329 | static void req_destroy (aio_req req); |
327 | static void req_cancel (aio_req req); |
330 | static void req_cancel (aio_req req); |
328 | |
331 | |
329 | /* must be called at most once */ |
332 | /* must be called at most once */ |
330 | static SV *req_sv (aio_req req, const char *klass) |
333 | static SV *req_sv (aio_req req, const char *klass) |
331 | { |
334 | { |
… | |
… | |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
353 | return mg ? (aio_req)mg->mg_ptr : 0; |
351 | } |
354 | } |
352 | |
355 | |
353 | static void aio_grp_feed (aio_req grp) |
356 | static void aio_grp_feed (aio_req grp) |
354 | { |
357 | { |
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358 | block_sig (); |
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359 | |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
360 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
356 | { |
361 | { |
357 | int old_len = grp->size; |
362 | int old_len = grp->size; |
358 | |
363 | |
359 | if (grp->sv2 && SvOK (grp->sv2)) |
364 | if (grp->sv2 && SvOK (grp->sv2)) |
… | |
… | |
377 | SvREFCNT_dec (grp->sv2); |
382 | SvREFCNT_dec (grp->sv2); |
378 | grp->sv2 = 0; |
383 | grp->sv2 = 0; |
379 | break; |
384 | break; |
380 | } |
385 | } |
381 | } |
386 | } |
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387 | |
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388 | unblock_sig (); |
382 | } |
389 | } |
383 | |
390 | |
384 | static void aio_grp_dec (aio_req grp) |
391 | static void aio_grp_dec (aio_req grp) |
385 | { |
392 | { |
386 | --grp->size; |
393 | --grp->size; |
… | |
… | |
389 | aio_grp_feed (grp); |
396 | aio_grp_feed (grp); |
390 | |
397 | |
391 | /* finish, if done */ |
398 | /* finish, if done */ |
392 | if (!grp->size && grp->int1) |
399 | if (!grp->size && grp->int1) |
393 | { |
400 | { |
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401 | block_sig (); |
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402 | |
394 | 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 | |
395 | req_free (grp); |
410 | req_destroy (grp); |
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411 | unblock_sig (); |
396 | } |
412 | } |
397 | } |
413 | } |
398 | |
414 | |
399 | static void req_invoke (aio_req req) |
415 | static int req_invoke (aio_req req) |
400 | { |
416 | { |
401 | dSP; |
417 | dSP; |
402 | |
418 | |
403 | if (req->flags & FLAG_SV1_RO_OFF) |
419 | if (req->flags & FLAG_SV2_RO_OFF) |
404 | SvREADONLY_off (req->sv1); |
420 | SvREADONLY_off (req->sv2); |
405 | |
421 | |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
422 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
407 | { |
423 | { |
408 | ENTER; |
424 | ENTER; |
409 | SAVETMPS; |
425 | SAVETMPS; |
… | |
… | |
474 | break; |
490 | break; |
475 | |
491 | |
476 | case REQ_READLINK: |
492 | case REQ_READLINK: |
477 | if (req->result > 0) |
493 | if (req->result > 0) |
478 | { |
494 | { |
479 | SvCUR_set (req->sv1, req->result); |
495 | SvCUR_set (req->sv2, req->result); |
480 | *SvEND (req->sv1) = 0; |
496 | *SvEND (req->sv2) = 0; |
481 | PUSHs (req->sv1); |
497 | PUSHs (req->sv2); |
482 | } |
498 | } |
483 | break; |
499 | break; |
484 | |
500 | |
485 | case REQ_STAT: |
501 | case REQ_STAT: |
486 | case REQ_LSTAT: |
502 | case REQ_LSTAT: |
… | |
… | |
490 | PL_statcache = *(Stat_t *)(req->ptr2); |
506 | PL_statcache = *(Stat_t *)(req->ptr2); |
491 | PUSHs (sv_2mortal (newSViv (req->result))); |
507 | PUSHs (sv_2mortal (newSViv (req->result))); |
492 | break; |
508 | break; |
493 | |
509 | |
494 | case REQ_READ: |
510 | case REQ_READ: |
495 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
511 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
496 | *SvEND (req->sv1) = 0; |
512 | *SvEND (req->sv2) = 0; |
497 | PUSHs (sv_2mortal (newSViv (req->result))); |
513 | PUSHs (sv_2mortal (newSViv (req->result))); |
498 | break; |
514 | break; |
499 | |
515 | |
500 | default: |
516 | default: |
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
517 | PUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
524 | grp->grp_first = req->grp_next; |
540 | grp->grp_first = req->grp_next; |
525 | |
541 | |
526 | aio_grp_dec (grp); |
542 | aio_grp_dec (grp); |
527 | } |
543 | } |
528 | |
544 | |
529 | if (SvTRUE (ERRSV)) |
545 | return !SvTRUE (ERRSV); |
530 | { |
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531 | req_free (req); |
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532 | croak (0); |
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533 | } |
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534 | } |
546 | } |
535 | |
547 | |
536 | static void req_free (aio_req req) |
548 | static void req_destroy (aio_req req) |
537 | { |
549 | { |
538 | if (req->self) |
550 | if (req->self) |
539 | { |
551 | { |
540 | sv_unmagic (req->self, PERL_MAGIC_ext); |
552 | sv_unmagic (req->self, PERL_MAGIC_ext); |
541 | SvREFCNT_dec (req->self); |
553 | SvREFCNT_dec (req->self); |
542 | } |
554 | } |
543 | |
555 | |
544 | SvREFCNT_dec (req->fh); |
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545 | SvREFCNT_dec (req->sv1); |
556 | SvREFCNT_dec (req->sv1); |
546 | SvREFCNT_dec (req->sv2); |
557 | SvREFCNT_dec (req->sv2); |
547 | SvREFCNT_dec (req->callback); |
558 | SvREFCNT_dec (req->callback); |
548 | |
559 | |
549 | if (req->flags & FLAG_PTR2_FREE) |
560 | if (req->flags & FLAG_PTR2_FREE) |
… | |
… | |
571 | req->flags |= FLAG_CANCELLED; |
582 | req->flags |= FLAG_CANCELLED; |
572 | |
583 | |
573 | req_cancel_subs (req); |
584 | req_cancel_subs (req); |
574 | } |
585 | } |
575 | |
586 | |
576 | static void *aio_proc(void *arg); |
587 | static void *aio_proc (void *arg); |
577 | |
588 | |
578 | static void start_thread (void) |
589 | static void start_thread (void) |
579 | { |
590 | { |
580 | sigset_t fullsigset, oldsigset; |
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581 | pthread_attr_t attr; |
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582 | |
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583 | worker *wrk = calloc (1, sizeof (worker)); |
591 | worker *wrk = calloc (1, sizeof (worker)); |
584 | |
592 | |
585 | if (!wrk) |
593 | if (!wrk) |
586 | croak ("unable to allocate worker thread data"); |
594 | croak ("unable to allocate worker thread data"); |
587 | |
595 | |
588 | pthread_attr_init (&attr); |
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589 | pthread_attr_setstacksize (&attr, STACKSIZE); |
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590 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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591 | #ifdef PTHREAD_SCOPE_PROCESS |
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592 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
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593 | #endif |
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594 | |
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595 | sigfillset (&fullsigset); |
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596 | |
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597 | LOCK (wrklock); |
596 | LOCK (wrklock); |
598 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
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599 | |
597 | |
600 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
598 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
601 | { |
599 | { |
602 | wrk->prev = &wrk_first; |
600 | wrk->prev = &wrk_first; |
603 | wrk->next = wrk_first.next; |
601 | wrk->next = wrk_first.next; |
604 | wrk_first.next->prev = wrk; |
602 | wrk_first.next->prev = wrk; |
605 | wrk_first.next = wrk; |
603 | wrk_first.next = wrk; |
606 | ++started; |
604 | ++started; |
607 | } |
605 | } |
608 | else |
606 | else |
609 | free (wrk); |
607 | free (wrk); |
610 | |
608 | |
611 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
612 | UNLOCK (wrklock); |
609 | UNLOCK (wrklock); |
613 | } |
610 | } |
614 | |
611 | |
615 | static void maybe_start_thread () |
612 | static void maybe_start_thread () |
616 | { |
613 | { |
… | |
… | |
624 | start_thread (); |
621 | start_thread (); |
625 | } |
622 | } |
626 | |
623 | |
627 | static void req_send (aio_req req) |
624 | static void req_send (aio_req req) |
628 | { |
625 | { |
|
|
626 | block_sig (); |
|
|
627 | |
629 | ++nreqs; |
628 | ++nreqs; |
630 | |
629 | |
631 | LOCK (reqlock); |
630 | LOCK (reqlock); |
632 | ++nready; |
631 | ++nready; |
633 | reqq_push (&req_queue, req); |
632 | reqq_push (&req_queue, req); |
634 | pthread_cond_signal (&reqwait); |
633 | COND_SIGNAL (reqwait); |
635 | UNLOCK (reqlock); |
634 | UNLOCK (reqlock); |
|
|
635 | |
|
|
636 | unblock_sig (); |
636 | |
637 | |
637 | maybe_start_thread (); |
638 | maybe_start_thread (); |
638 | } |
639 | } |
639 | |
640 | |
640 | static void end_thread (void) |
641 | static void end_thread (void) |
… | |
… | |
646 | req->type = REQ_QUIT; |
647 | req->type = REQ_QUIT; |
647 | req->pri = PRI_MAX + PRI_BIAS; |
648 | req->pri = PRI_MAX + PRI_BIAS; |
648 | |
649 | |
649 | LOCK (reqlock); |
650 | LOCK (reqlock); |
650 | reqq_push (&req_queue, req); |
651 | reqq_push (&req_queue, req); |
651 | pthread_cond_signal (&reqwait); |
652 | COND_SIGNAL (reqwait); |
652 | UNLOCK (reqlock); |
653 | UNLOCK (reqlock); |
653 | |
654 | |
654 | LOCK (wrklock); |
655 | LOCK (wrklock); |
655 | --started; |
656 | --started; |
656 | UNLOCK (wrklock); |
657 | UNLOCK (wrklock); |
… | |
… | |
711 | aio_req req; |
712 | aio_req req; |
712 | |
713 | |
713 | if (max_poll_time) |
714 | if (max_poll_time) |
714 | gettimeofday (&tv_start, 0); |
715 | gettimeofday (&tv_start, 0); |
715 | |
716 | |
|
|
717 | block_sig (); |
|
|
718 | |
716 | for (;;) |
719 | for (;;) |
717 | { |
720 | { |
718 | for (;;) |
721 | for (;;) |
719 | { |
722 | { |
720 | maybe_start_thread (); |
723 | maybe_start_thread (); |
… | |
… | |
727 | --npending; |
730 | --npending; |
728 | |
731 | |
729 | if (!res_queue.size) |
732 | if (!res_queue.size) |
730 | { |
733 | { |
731 | /* read any signals sent by the worker threads */ |
734 | /* read any signals sent by the worker threads */ |
732 | char buf [32]; |
735 | char buf [4]; |
733 | while (read (respipe [0], buf, 32) == 32) |
736 | while (read (respipe [0], buf, 4) == 4) |
734 | ; |
737 | ; |
735 | } |
738 | } |
736 | } |
739 | } |
737 | |
740 | |
738 | UNLOCK (reslock); |
741 | UNLOCK (reslock); |
… | |
… | |
747 | req->int1 = 1; /* mark request as delayed */ |
750 | req->int1 = 1; /* mark request as delayed */ |
748 | continue; |
751 | continue; |
749 | } |
752 | } |
750 | else |
753 | else |
751 | { |
754 | { |
752 | req_invoke (req); |
755 | if (!req_invoke (req)) |
|
|
756 | { |
|
|
757 | req_destroy (req); |
|
|
758 | unblock_sig (); |
|
|
759 | croak (0); |
|
|
760 | } |
753 | |
761 | |
754 | count++; |
762 | count++; |
755 | } |
763 | } |
756 | |
764 | |
757 | req_free (req); |
765 | req_destroy (req); |
758 | |
766 | |
759 | if (maxreqs && !--maxreqs) |
767 | if (maxreqs && !--maxreqs) |
760 | break; |
768 | break; |
761 | |
769 | |
762 | if (max_poll_time) |
770 | if (max_poll_time) |
… | |
… | |
774 | poll_wait (); |
782 | poll_wait (); |
775 | |
783 | |
776 | ++maxreqs; |
784 | ++maxreqs; |
777 | } |
785 | } |
778 | |
786 | |
|
|
787 | unblock_sig (); |
779 | return count; |
788 | return count; |
780 | } |
789 | } |
781 | |
790 | |
782 | static void create_pipe () |
791 | static void create_pipe () |
783 | { |
792 | { |
… | |
… | |
801 | /* |
810 | /* |
802 | * make our pread/pwrite safe against themselves, but not against |
811 | * make our pread/pwrite safe against themselves, but not against |
803 | * 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, |
804 | * but that's your problem, not mine. |
813 | * but that's your problem, not mine. |
805 | */ |
814 | */ |
806 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
815 | static mutex_t preadwritelock = MUTEX_INIT; |
807 | |
816 | |
808 | 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) |
809 | { |
818 | { |
810 | ssize_t res; |
819 | ssize_t res; |
811 | off_t ooffset; |
820 | off_t ooffset; |
… | |
… | |
834 | |
843 | |
835 | return res; |
844 | return res; |
836 | } |
845 | } |
837 | #endif |
846 | #endif |
838 | |
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 | |
839 | #if !HAVE_FDATASYNC |
876 | #if !HAVE_FDATASYNC |
840 | # define fdatasync fsync |
877 | # define fdatasync fsync |
841 | #endif |
878 | #endif |
842 | |
879 | |
843 | #if !HAVE_READAHEAD |
880 | #if !HAVE_READAHEAD |
… | |
… | |
862 | #endif |
899 | #endif |
863 | |
900 | |
864 | #if !HAVE_READDIR_R |
901 | #if !HAVE_READDIR_R |
865 | # define readdir_r aio_readdir_r |
902 | # define readdir_r aio_readdir_r |
866 | |
903 | |
867 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
904 | static mutex_t readdirlock = MUTEX_INIT; |
868 | |
905 | |
869 | 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) |
870 | { |
907 | { |
871 | struct dirent *e; |
908 | struct dirent *e; |
872 | int errorno; |
909 | int errorno; |
… | |
… | |
1071 | if (req) |
1108 | if (req) |
1072 | break; |
1109 | break; |
1073 | |
1110 | |
1074 | ++idle; |
1111 | ++idle; |
1075 | |
1112 | |
1076 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
1113 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
1077 | == ETIMEDOUT) |
1114 | == ETIMEDOUT) |
1078 | { |
1115 | { |
1079 | if (idle > max_idle) |
1116 | if (idle > max_idle) |
1080 | { |
1117 | { |
1081 | --idle; |
1118 | --idle; |
… | |
… | |
1085 | UNLOCK (wrklock); |
1122 | UNLOCK (wrklock); |
1086 | goto quit; |
1123 | goto quit; |
1087 | } |
1124 | } |
1088 | |
1125 | |
1089 | /* we are allowed to idle, so do so without any timeout */ |
1126 | /* we are allowed to idle, so do so without any timeout */ |
1090 | pthread_cond_wait (&reqwait, &reqlock); |
1127 | COND_WAIT (reqwait, reqlock); |
1091 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1128 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1092 | } |
1129 | } |
1093 | |
1130 | |
1094 | --idle; |
1131 | --idle; |
1095 | } |
1132 | } |
… | |
… | |
1101 | errno = 0; /* strictly unnecessary */ |
1138 | errno = 0; /* strictly unnecessary */ |
1102 | |
1139 | |
1103 | if (!(req->flags & FLAG_CANCELLED)) |
1140 | if (!(req->flags & FLAG_CANCELLED)) |
1104 | switch (req->type) |
1141 | switch (req->type) |
1105 | { |
1142 | { |
1106 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1143 | case REQ_READ: req->result = req->offs >= 0 |
1107 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); 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; |
1108 | |
1149 | |
1109 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1150 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1110 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1151 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1111 | |
1152 | |
1112 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1153 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1113 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1154 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1114 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1155 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
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; |
1115 | |
1161 | |
1116 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1162 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1117 | case REQ_CLOSE: req->result = close (req->int1); break; |
1163 | case REQ_CLOSE: req->result = close (req->int1); break; |
1118 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1164 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1119 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1165 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1166 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1120 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1167 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1121 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1168 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1122 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1169 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1123 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1170 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1124 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1171 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
… | |
… | |
1129 | |
1176 | |
1130 | case REQ_BUSY: |
1177 | case REQ_BUSY: |
1131 | { |
1178 | { |
1132 | struct timeval tv; |
1179 | struct timeval tv; |
1133 | |
1180 | |
1134 | tv.tv_sec = req->int1; |
1181 | tv.tv_sec = req->nv1; |
1135 | tv.tv_usec = req->int2; |
1182 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
1136 | |
1183 | |
1137 | req->result = select (0, 0, 0, 0, &tv); |
1184 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1185 | } |
|
|
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); |
1138 | } |
1209 | } |
1139 | |
1210 | |
1140 | case REQ_GROUP: |
1211 | case REQ_GROUP: |
1141 | case REQ_NOP: |
1212 | case REQ_NOP: |
1142 | break; |
1213 | break; |
1143 | |
1214 | |
1144 | case REQ_QUIT: |
1215 | case REQ_QUIT: |
1145 | goto quit; |
1216 | goto quit; |
1146 | |
1217 | |
1147 | default: |
1218 | default: |
1148 | req->result = ENOSYS; |
1219 | req->result = -1; |
1149 | break; |
1220 | break; |
1150 | } |
1221 | } |
1151 | |
1222 | |
1152 | req->errorno = errno; |
1223 | req->errorno = errno; |
1153 | |
1224 | |
1154 | LOCK (reslock); |
1225 | LOCK (reslock); |
1155 | |
1226 | |
1156 | ++npending; |
1227 | ++npending; |
1157 | |
1228 | |
1158 | if (!reqq_push (&res_queue, req)) |
1229 | if (!reqq_push (&res_queue, req)) |
|
|
1230 | { |
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
1231 | /* write a dummy byte to the pipe so fh becomes ready */ |
1160 | 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 | } |
1161 | |
1238 | |
1162 | self->req = 0; |
1239 | self->req = 0; |
1163 | worker_clear (self); |
1240 | worker_clear (self); |
1164 | |
1241 | |
1165 | UNLOCK (reslock); |
1242 | UNLOCK (reslock); |
… | |
… | |
1204 | static void atfork_child (void) |
1281 | static void atfork_child (void) |
1205 | { |
1282 | { |
1206 | aio_req prv; |
1283 | aio_req prv; |
1207 | |
1284 | |
1208 | while (prv = reqq_shift (&req_queue)) |
1285 | while (prv = reqq_shift (&req_queue)) |
1209 | req_free (prv); |
1286 | req_destroy (prv); |
1210 | |
1287 | |
1211 | while (prv = reqq_shift (&res_queue)) |
1288 | while (prv = reqq_shift (&res_queue)) |
1212 | req_free (prv); |
1289 | req_destroy (prv); |
1213 | |
1290 | |
1214 | while (wrk_first.next != &wrk_first) |
1291 | while (wrk_first.next != &wrk_first) |
1215 | { |
1292 | { |
1216 | worker *wrk = wrk_first.next; |
1293 | worker *wrk = wrk_first.next; |
1217 | |
1294 | |
1218 | if (wrk->req) |
1295 | if (wrk->req) |
1219 | req_free (wrk->req); |
1296 | req_destroy (wrk->req); |
1220 | |
1297 | |
1221 | worker_clear (wrk); |
1298 | worker_clear (wrk); |
1222 | worker_free (wrk); |
1299 | worker_free (wrk); |
1223 | } |
1300 | } |
1224 | |
1301 | |
… | |
… | |
1268 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1345 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1269 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1346 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1270 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1347 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1271 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1348 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1272 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1349 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1350 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1273 | |
1351 | |
1274 | create_pipe (); |
1352 | create_pipe (); |
1275 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1353 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1276 | } |
1354 | } |
1277 | |
1355 | |
1278 | void |
1356 | void |
1279 | max_poll_reqs (int nreqs) |
1357 | max_poll_reqs (int nreqs) |
1280 | PROTOTYPE: $ |
1358 | PROTOTYPE: $ |
… | |
… | |
1309 | max_outstanding = maxreqs; |
1387 | max_outstanding = maxreqs; |
1310 | OUTPUT: |
1388 | OUTPUT: |
1311 | RETVAL |
1389 | RETVAL |
1312 | |
1390 | |
1313 | void |
1391 | void |
1314 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1392 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1315 | SV8 * pathname |
|
|
1316 | int flags |
|
|
1317 | int mode |
|
|
1318 | SV * callback |
|
|
1319 | PROTOTYPE: $$$;$ |
1393 | PROTOTYPE: $$$;$ |
1320 | PPCODE: |
1394 | PPCODE: |
1321 | { |
1395 | { |
1322 | dREQ; |
1396 | dREQ; |
1323 | |
1397 | |
… | |
… | |
1329 | |
1403 | |
1330 | REQ_SEND; |
1404 | REQ_SEND; |
1331 | } |
1405 | } |
1332 | |
1406 | |
1333 | void |
1407 | void |
1334 | aio_close (fh,callback=&PL_sv_undef) |
1408 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1335 | SV * fh |
|
|
1336 | SV * callback |
|
|
1337 | PROTOTYPE: $;$ |
1409 | PROTOTYPE: $;$ |
1338 | ALIAS: |
1410 | ALIAS: |
1339 | aio_close = REQ_CLOSE |
1411 | aio_close = REQ_CLOSE |
1340 | aio_fsync = REQ_FSYNC |
1412 | aio_fsync = REQ_FSYNC |
1341 | aio_fdatasync = REQ_FDATASYNC |
1413 | aio_fdatasync = REQ_FDATASYNC |
1342 | PPCODE: |
1414 | PPCODE: |
1343 | { |
1415 | { |
1344 | dREQ; |
1416 | dREQ; |
1345 | |
1417 | |
1346 | req->type = ix; |
1418 | req->type = ix; |
1347 | req->fh = newSVsv (fh); |
1419 | req->sv1 = newSVsv (fh); |
1348 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1420 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1349 | |
1421 | |
1350 | REQ_SEND (req); |
1422 | REQ_SEND (req); |
1351 | } |
1423 | } |
1352 | |
1424 | |
1353 | void |
1425 | void |
1354 | 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) |
1355 | SV * fh |
|
|
1356 | UV offset |
|
|
1357 | UV length |
|
|
1358 | SV8 * data |
|
|
1359 | UV dataoffset |
|
|
1360 | SV * callback |
|
|
1361 | ALIAS: |
1427 | ALIAS: |
1362 | aio_read = REQ_READ |
1428 | aio_read = REQ_READ |
1363 | aio_write = REQ_WRITE |
1429 | aio_write = REQ_WRITE |
1364 | PROTOTYPE: $$$$$;$ |
1430 | PROTOTYPE: $$$$$;$ |
1365 | PPCODE: |
1431 | PPCODE: |
1366 | { |
1432 | { |
1367 | STRLEN svlen; |
1433 | STRLEN svlen; |
1368 | char *svptr = SvPVbyte (data, svlen); |
1434 | char *svptr = SvPVbyte (data, svlen); |
|
|
1435 | UV len = SvUV (length); |
1369 | |
1436 | |
1370 | SvUPGRADE (data, SVt_PV); |
1437 | SvUPGRADE (data, SVt_PV); |
1371 | SvPOK_on (data); |
1438 | SvPOK_on (data); |
1372 | |
1439 | |
1373 | if (dataoffset < 0) |
1440 | if (dataoffset < 0) |
1374 | dataoffset += svlen; |
1441 | dataoffset += svlen; |
1375 | |
1442 | |
1376 | if (dataoffset < 0 || dataoffset > svlen) |
1443 | if (dataoffset < 0 || dataoffset > svlen) |
1377 | croak ("data offset outside of string"); |
1444 | croak ("dataoffset outside of data scalar"); |
1378 | |
1445 | |
1379 | if (ix == REQ_WRITE) |
1446 | if (ix == REQ_WRITE) |
1380 | { |
1447 | { |
1381 | /* write: check length and adjust. */ |
1448 | /* write: check length and adjust. */ |
1382 | if (length < 0 || length + dataoffset > svlen) |
1449 | if (!SvOK (length) || len + dataoffset > svlen) |
1383 | length = svlen - dataoffset; |
1450 | len = svlen - dataoffset; |
1384 | } |
1451 | } |
1385 | else |
1452 | else |
1386 | { |
1453 | { |
1387 | /* read: grow scalar as necessary */ |
1454 | /* read: grow scalar as necessary */ |
1388 | svptr = SvGROW (data, length + dataoffset); |
1455 | svptr = SvGROW (data, len + dataoffset + 1); |
1389 | } |
1456 | } |
1390 | |
1457 | |
1391 | if (length < 0) |
1458 | if (len < 0) |
1392 | croak ("length must not be negative"); |
1459 | croak ("length must not be negative"); |
1393 | |
1460 | |
1394 | { |
1461 | { |
1395 | dREQ; |
1462 | dREQ; |
1396 | |
1463 | |
1397 | req->type = ix; |
1464 | req->type = ix; |
1398 | req->fh = newSVsv (fh); |
1465 | req->sv1 = newSVsv (fh); |
1399 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1466 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1400 | : IoOFP (sv_2io (fh))); |
1467 | : IoOFP (sv_2io (fh))); |
1401 | req->offs = offset; |
1468 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1402 | req->size = length; |
1469 | req->size = len; |
1403 | req->sv1 = SvREFCNT_inc (data); |
1470 | req->sv2 = SvREFCNT_inc (data); |
1404 | req->ptr1 = (char *)svptr + dataoffset; |
1471 | req->ptr1 = (char *)svptr + dataoffset; |
1405 | req->stroffset = dataoffset; |
1472 | req->stroffset = dataoffset; |
1406 | |
1473 | |
1407 | if (!SvREADONLY (data)) |
1474 | if (!SvREADONLY (data)) |
1408 | { |
1475 | { |
1409 | SvREADONLY_on (data); |
1476 | SvREADONLY_on (data); |
1410 | req->flags |= FLAG_SV1_RO_OFF; |
1477 | req->flags |= FLAG_SV2_RO_OFF; |
1411 | } |
1478 | } |
1412 | |
1479 | |
1413 | REQ_SEND; |
1480 | REQ_SEND; |
1414 | } |
1481 | } |
1415 | } |
1482 | } |
1416 | |
1483 | |
1417 | void |
1484 | void |
1418 | aio_readlink (path,callback=&PL_sv_undef) |
1485 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1419 | SV8 * path |
|
|
1420 | SV * callback |
|
|
1421 | PROTOTYPE: $$;$ |
1486 | PROTOTYPE: $$;$ |
1422 | PPCODE: |
1487 | PPCODE: |
1423 | { |
1488 | { |
1424 | SV *data; |
1489 | SV *data; |
1425 | dREQ; |
1490 | dREQ; |
1426 | |
1491 | |
1427 | data = newSV (NAME_MAX); |
1492 | data = newSV (NAME_MAX); |
1428 | SvPOK_on (data); |
1493 | SvPOK_on (data); |
1429 | |
1494 | |
1430 | req->type = REQ_READLINK; |
1495 | req->type = REQ_READLINK; |
1431 | req->fh = newSVsv (path); |
1496 | req->sv1 = newSVsv (path); |
1432 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1497 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
1433 | req->sv1 = data; |
1498 | req->sv2 = data; |
1434 | req->ptr1 = SvPVbyte_nolen (data); |
1499 | req->ptr1 = SvPVbyte_nolen (data); |
1435 | |
1500 | |
1436 | REQ_SEND; |
1501 | REQ_SEND; |
1437 | } |
1502 | } |
1438 | |
1503 | |
1439 | void |
1504 | void |
1440 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1505 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1441 | SV * out_fh |
|
|
1442 | SV * in_fh |
|
|
1443 | UV in_offset |
|
|
1444 | UV length |
|
|
1445 | SV * callback |
|
|
1446 | PROTOTYPE: $$$$;$ |
1506 | PROTOTYPE: $$$$;$ |
1447 | PPCODE: |
1507 | PPCODE: |
1448 | { |
1508 | { |
1449 | dREQ; |
1509 | dREQ; |
1450 | |
1510 | |
1451 | req->type = REQ_SENDFILE; |
1511 | req->type = REQ_SENDFILE; |
1452 | req->fh = newSVsv (out_fh); |
1512 | req->sv1 = newSVsv (out_fh); |
1453 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1513 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1454 | req->sv2 = newSVsv (in_fh); |
1514 | req->sv2 = newSVsv (in_fh); |
1455 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1515 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1456 | req->offs = in_offset; |
1516 | req->offs = SvVAL64 (in_offset); |
1457 | req->size = length; |
1517 | req->size = length; |
1458 | |
1518 | |
1459 | REQ_SEND; |
1519 | REQ_SEND; |
1460 | } |
1520 | } |
1461 | |
1521 | |
1462 | void |
1522 | void |
1463 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1523 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1464 | SV * fh |
|
|
1465 | UV offset |
|
|
1466 | IV length |
|
|
1467 | SV * callback |
|
|
1468 | PROTOTYPE: $$$;$ |
1524 | PROTOTYPE: $$$;$ |
1469 | PPCODE: |
1525 | PPCODE: |
1470 | { |
1526 | { |
1471 | dREQ; |
1527 | dREQ; |
1472 | |
1528 | |
1473 | req->type = REQ_READAHEAD; |
1529 | req->type = REQ_READAHEAD; |
1474 | req->fh = newSVsv (fh); |
1530 | req->sv1 = newSVsv (fh); |
1475 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1531 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1476 | req->offs = offset; |
1532 | req->offs = SvVAL64 (offset); |
1477 | req->size = length; |
1533 | req->size = length; |
1478 | |
1534 | |
1479 | REQ_SEND; |
1535 | REQ_SEND; |
1480 | } |
1536 | } |
1481 | |
1537 | |
1482 | void |
1538 | void |
1483 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1539 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1484 | SV8 * fh_or_path |
|
|
1485 | SV * callback |
|
|
1486 | ALIAS: |
1540 | ALIAS: |
1487 | aio_stat = REQ_STAT |
1541 | aio_stat = REQ_STAT |
1488 | aio_lstat = REQ_LSTAT |
1542 | aio_lstat = REQ_LSTAT |
1489 | PPCODE: |
1543 | PPCODE: |
1490 | { |
1544 | { |
1491 | dREQ; |
1545 | dREQ; |
1492 | |
1546 | |
1493 | req->ptr2 = malloc (sizeof (Stat_t)); |
1547 | req->ptr2 = malloc (sizeof (Stat_t)); |
1494 | if (!req->ptr2) |
1548 | if (!req->ptr2) |
1495 | { |
1549 | { |
1496 | req_free (req); |
1550 | req_destroy (req); |
1497 | croak ("out of memory during aio_stat statdata allocation"); |
1551 | croak ("out of memory during aio_stat statdata allocation"); |
1498 | } |
1552 | } |
1499 | |
1553 | |
1500 | req->flags |= FLAG_PTR2_FREE; |
1554 | req->flags |= FLAG_PTR2_FREE; |
|
|
1555 | req->sv1 = newSVsv (fh_or_path); |
1501 | |
1556 | |
1502 | if (SvPOK (fh_or_path)) |
1557 | if (SvPOK (fh_or_path)) |
1503 | { |
1558 | { |
1504 | req->type = ix; |
1559 | req->type = ix; |
1505 | req->sv1 = newSVsv (fh_or_path); |
|
|
1506 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1560 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1507 | } |
1561 | } |
1508 | else |
1562 | else |
1509 | { |
1563 | { |
1510 | req->type = REQ_FSTAT; |
1564 | req->type = REQ_FSTAT; |
1511 | req->fh = newSVsv (fh_or_path); |
|
|
1512 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1565 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1513 | } |
1566 | } |
1514 | |
1567 | |
1515 | REQ_SEND; |
1568 | REQ_SEND; |
1516 | } |
1569 | } |
1517 | |
1570 | |
1518 | 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 |
1519 | aio_unlink (pathname,callback=&PL_sv_undef) |
1643 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1520 | SV8 * pathname |
|
|
1521 | SV * callback |
|
|
1522 | ALIAS: |
1644 | ALIAS: |
1523 | aio_unlink = REQ_UNLINK |
1645 | aio_unlink = REQ_UNLINK |
1524 | aio_rmdir = REQ_RMDIR |
1646 | aio_rmdir = REQ_RMDIR |
1525 | aio_readdir = REQ_READDIR |
1647 | aio_readdir = REQ_READDIR |
1526 | PPCODE: |
1648 | PPCODE: |
… | |
… | |
1533 | |
1655 | |
1534 | REQ_SEND; |
1656 | REQ_SEND; |
1535 | } |
1657 | } |
1536 | |
1658 | |
1537 | void |
1659 | void |
|
|
1660 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1661 | PPCODE: |
|
|
1662 | { |
|
|
1663 | dREQ; |
|
|
1664 | |
|
|
1665 | req->type = REQ_MKDIR; |
|
|
1666 | req->sv1 = newSVsv (pathname); |
|
|
1667 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1668 | req->mode = mode; |
|
|
1669 | |
|
|
1670 | REQ_SEND; |
|
|
1671 | } |
|
|
1672 | |
|
|
1673 | void |
1538 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1674 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1539 | SV8 * oldpath |
|
|
1540 | SV8 * newpath |
|
|
1541 | SV * callback |
|
|
1542 | ALIAS: |
1675 | ALIAS: |
1543 | aio_link = REQ_LINK |
1676 | aio_link = REQ_LINK |
1544 | aio_symlink = REQ_SYMLINK |
1677 | aio_symlink = REQ_SYMLINK |
1545 | aio_rename = REQ_RENAME |
1678 | aio_rename = REQ_RENAME |
1546 | PPCODE: |
1679 | PPCODE: |
1547 | { |
1680 | { |
1548 | dREQ; |
1681 | dREQ; |
1549 | |
1682 | |
1550 | req->type = ix; |
1683 | req->type = ix; |
1551 | req->fh = newSVsv (oldpath); |
1684 | req->sv2 = newSVsv (oldpath); |
1552 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1685 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1553 | req->sv1 = newSVsv (newpath); |
1686 | req->sv1 = newSVsv (newpath); |
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1687 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1555 | |
1688 | |
1556 | REQ_SEND; |
1689 | REQ_SEND; |
1557 | } |
1690 | } |
1558 | |
1691 | |
1559 | void |
1692 | void |
1560 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1693 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1561 | SV8 * pathname |
|
|
1562 | SV * callback |
|
|
1563 | UV mode |
|
|
1564 | UV dev |
|
|
1565 | PPCODE: |
1694 | PPCODE: |
1566 | { |
1695 | { |
1567 | dREQ; |
1696 | dREQ; |
1568 | |
1697 | |
1569 | req->type = REQ_MKNOD; |
1698 | req->type = REQ_MKNOD; |
… | |
… | |
1574 | |
1703 | |
1575 | REQ_SEND; |
1704 | REQ_SEND; |
1576 | } |
1705 | } |
1577 | |
1706 | |
1578 | void |
1707 | void |
1579 | aio_busy (delay,callback=&PL_sv_undef) |
1708 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1580 | double delay |
|
|
1581 | SV * callback |
|
|
1582 | PPCODE: |
1709 | PPCODE: |
1583 | { |
1710 | { |
1584 | dREQ; |
1711 | dREQ; |
1585 | |
1712 | |
1586 | req->type = REQ_BUSY; |
1713 | req->type = REQ_BUSY; |
1587 | req->int1 = delay < 0. ? 0 : delay; |
1714 | req->nv1 = delay < 0. ? 0. : delay; |
1588 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1589 | |
1715 | |
1590 | REQ_SEND; |
1716 | REQ_SEND; |
1591 | } |
1717 | } |
1592 | |
1718 | |
1593 | void |
1719 | void |
1594 | aio_group (callback=&PL_sv_undef) |
1720 | aio_group (SV *callback=&PL_sv_undef) |
1595 | SV * callback |
|
|
1596 | PROTOTYPE: ;$ |
1721 | PROTOTYPE: ;$ |
1597 | PPCODE: |
1722 | PPCODE: |
1598 | { |
1723 | { |
1599 | dREQ; |
1724 | dREQ; |
1600 | |
1725 | |
… | |
… | |
1603 | req_send (req); |
1728 | req_send (req); |
1604 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1729 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1605 | } |
1730 | } |
1606 | |
1731 | |
1607 | void |
1732 | void |
1608 | aio_nop (callback=&PL_sv_undef) |
1733 | aio_nop (SV *callback=&PL_sv_undef) |
1609 | SV * callback |
|
|
1610 | PPCODE: |
1734 | PPCODE: |
1611 | { |
1735 | { |
1612 | dREQ; |
1736 | dREQ; |
1613 | |
1737 | |
1614 | req->type = REQ_NOP; |
1738 | req->type = REQ_NOP; |
… | |
… | |
1677 | poll_wait() |
1801 | poll_wait() |
1678 | PROTOTYPE: |
1802 | PROTOTYPE: |
1679 | CODE: |
1803 | CODE: |
1680 | poll_wait (); |
1804 | poll_wait (); |
1681 | |
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 | } |
|
|
1842 | |
1682 | int |
1843 | int |
1683 | nreqs() |
1844 | nreqs() |
1684 | PROTOTYPE: |
1845 | PROTOTYPE: |
1685 | CODE: |
1846 | CODE: |
1686 | RETVAL = nreqs; |
1847 | RETVAL = nreqs; |
… | |
… | |
1735 | PPCODE: |
1896 | PPCODE: |
1736 | { |
1897 | { |
1737 | int i; |
1898 | int i; |
1738 | aio_req req; |
1899 | aio_req req; |
1739 | |
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 | |
1740 | if (grp->int1 == 2) |
1904 | if (grp->int1 == 2) |
1741 | 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"); |
1742 | |
1906 | |
1743 | for (i = 1; i < items; ++i ) |
1907 | for (i = 1; i < items; ++i ) |
1744 | { |
1908 | { |