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 |
83 | |
50 | |
84 | #define dBUF \ |
51 | #define dBUF \ |
85 | char *aio_buf; \ |
52 | char *aio_buf; \ |
… | |
… | |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
54 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | UNLOCK (wrklock); \ |
55 | UNLOCK (wrklock); \ |
89 | if (!aio_buf) \ |
56 | if (!aio_buf) \ |
90 | return -1; |
57 | return -1; |
91 | |
58 | |
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59 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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60 | |
92 | enum { |
61 | enum { |
93 | REQ_QUIT, |
62 | REQ_QUIT, |
94 | REQ_OPEN, REQ_CLOSE, |
63 | REQ_OPEN, REQ_CLOSE, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
64 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
96 | REQ_SENDFILE, |
65 | REQ_SENDFILE, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
66 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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67 | REQ_UTIME, REQ_FUTIME, /* must be consecutive */ |
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68 | REQ_CHMOD, REQ_FCHMOD, /* must be consecutive */ |
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69 | REQ_CHOWN, REQ_FCHOWN, /* must be consecutive */ |
98 | REQ_FSYNC, REQ_FDATASYNC, |
70 | REQ_FSYNC, REQ_FDATASYNC, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
71 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
100 | REQ_MKNOD, REQ_READDIR, |
72 | REQ_MKNOD, REQ_READDIR, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
73 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
102 | REQ_GROUP, REQ_NOP, |
74 | REQ_GROUP, REQ_NOP, |
103 | REQ_BUSY, |
75 | REQ_BUSY, |
104 | }; |
76 | }; |
… | |
… | |
108 | |
80 | |
109 | typedef struct aio_cb |
81 | typedef struct aio_cb |
110 | { |
82 | { |
111 | struct aio_cb *volatile next; |
83 | struct aio_cb *volatile next; |
112 | |
84 | |
113 | SV *callback, *fh; |
85 | SV *callback; |
114 | SV *sv1, *sv2; |
86 | SV *sv1, *sv2; |
115 | void *ptr1, *ptr2; |
87 | void *ptr1, *ptr2; |
116 | off_t offs; |
88 | off_t offs; |
117 | size_t size; |
89 | size_t size; |
118 | ssize_t result; |
90 | ssize_t result; |
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91 | double nv1, nv2; |
119 | |
92 | |
120 | STRLEN stroffset; |
93 | STRLEN stroffset; |
121 | int type; |
94 | int type; |
122 | int int1, int2; |
95 | int int1, int2, int3; |
123 | int errorno; |
96 | int errorno; |
124 | mode_t mode; /* open */ |
97 | mode_t mode; /* open */ |
125 | |
98 | |
126 | unsigned char flags; |
99 | unsigned char flags; |
127 | unsigned char pri; |
100 | unsigned char pri; |
… | |
… | |
129 | SV *self; /* the perl counterpart of this request, if any */ |
102 | SV *self; /* the perl counterpart of this request, if any */ |
130 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
103 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
131 | } aio_cb; |
104 | } aio_cb; |
132 | |
105 | |
133 | enum { |
106 | enum { |
134 | FLAG_CANCELLED = 0x01, |
107 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
135 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
108 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
136 | FLAG_PTR2_FREE = 0x80, /* need free(ptr2) */ |
109 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
137 | }; |
110 | }; |
138 | |
111 | |
139 | typedef aio_cb *aio_req; |
112 | typedef aio_cb *aio_req; |
140 | typedef aio_cb *aio_req_ornot; |
113 | typedef aio_cb *aio_req_ornot; |
141 | |
114 | |
… | |
… | |
158 | { |
131 | { |
159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
132 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
133 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
161 | } |
134 | } |
162 | |
135 | |
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136 | static thread_t main_tid; |
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137 | static int main_sig; |
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138 | static int block_sig_level; |
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139 | |
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140 | void block_sig () |
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141 | { |
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142 | sigset_t ss; |
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143 | |
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144 | if (block_sig_level++) |
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145 | return; |
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146 | |
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147 | if (!main_sig) |
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148 | return; |
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149 | |
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150 | sigemptyset (&ss); |
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151 | sigaddset (&ss, main_sig); |
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152 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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153 | } |
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154 | |
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155 | void unblock_sig () |
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156 | { |
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157 | sigset_t ss; |
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158 | |
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159 | if (--block_sig_level) |
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160 | return; |
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161 | |
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162 | if (!main_sig) |
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163 | return; |
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164 | |
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165 | sigemptyset (&ss); |
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166 | sigaddset (&ss, main_sig); |
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167 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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168 | } |
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169 | |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
170 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
164 | |
171 | |
165 | static unsigned int started, idle, wanted; |
172 | static unsigned int started, idle, wanted; |
166 | |
173 | |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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169 | #else |
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170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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171 | #endif |
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172 | |
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173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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175 | |
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176 | /* worker threads management */ |
174 | /* worker threads management */ |
177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
175 | static mutex_t wrklock = MUTEX_INIT; |
178 | |
176 | |
179 | typedef struct worker { |
177 | typedef struct worker { |
180 | /* locked by wrklock */ |
178 | /* locked by wrklock */ |
181 | struct worker *prev, *next; |
179 | struct worker *prev, *next; |
182 | |
180 | |
183 | pthread_t tid; |
181 | thread_t tid; |
184 | |
182 | |
185 | /* locked by reslock, reqlock or wrklock */ |
183 | /* locked by reslock, reqlock or wrklock */ |
186 | aio_req req; /* currently processed request */ |
184 | aio_req req; /* currently processed request */ |
187 | void *dbuf; |
185 | void *dbuf; |
188 | DIR *dirp; |
186 | DIR *dirp; |
… | |
… | |
216 | static volatile unsigned int nreqs, nready, npending; |
214 | static volatile unsigned int nreqs, nready, npending; |
217 | static volatile unsigned int max_idle = 4; |
215 | static volatile unsigned int max_idle = 4; |
218 | static volatile unsigned int max_outstanding = 0xffffffff; |
216 | static volatile unsigned int max_outstanding = 0xffffffff; |
219 | static int respipe [2]; |
217 | static int respipe [2]; |
220 | |
218 | |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
219 | static mutex_t reslock = MUTEX_INIT; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
220 | static mutex_t reqlock = MUTEX_INIT; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
221 | static cond_t reqwait = COND_INIT; |
224 | |
222 | |
225 | #if WORDACCESS_UNSAFE |
223 | #if WORDACCESS_UNSAFE |
226 | |
224 | |
227 | static unsigned int get_nready () |
225 | static unsigned int get_nready () |
228 | { |
226 | { |
… | |
… | |
318 | |
316 | |
319 | abort (); |
317 | abort (); |
320 | } |
318 | } |
321 | |
319 | |
322 | static int poll_cb (); |
320 | static int poll_cb (); |
323 | static void req_invoke (aio_req req); |
321 | static int req_invoke (aio_req req); |
324 | static void req_free (aio_req req); |
322 | static void req_free (aio_req req); |
325 | static void req_cancel (aio_req req); |
323 | static void req_cancel (aio_req req); |
326 | |
324 | |
327 | /* must be called at most once */ |
325 | /* must be called at most once */ |
328 | static SV *req_sv (aio_req req, const char *klass) |
326 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
346 | return mg ? (aio_req)mg->mg_ptr : 0; |
349 | } |
347 | } |
350 | |
348 | |
351 | static void aio_grp_feed (aio_req grp) |
349 | static void aio_grp_feed (aio_req grp) |
352 | { |
350 | { |
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351 | block_sig (); |
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352 | |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
354 | { |
354 | { |
355 | int old_len = grp->size; |
355 | int old_len = grp->size; |
356 | |
356 | |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
… | |
… | |
375 | SvREFCNT_dec (grp->sv2); |
375 | SvREFCNT_dec (grp->sv2); |
376 | grp->sv2 = 0; |
376 | grp->sv2 = 0; |
377 | break; |
377 | break; |
378 | } |
378 | } |
379 | } |
379 | } |
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380 | |
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381 | unblock_sig (); |
380 | } |
382 | } |
381 | |
383 | |
382 | static void aio_grp_dec (aio_req grp) |
384 | static void aio_grp_dec (aio_req grp) |
383 | { |
385 | { |
384 | --grp->size; |
386 | --grp->size; |
… | |
… | |
387 | aio_grp_feed (grp); |
389 | aio_grp_feed (grp); |
388 | |
390 | |
389 | /* finish, if done */ |
391 | /* finish, if done */ |
390 | if (!grp->size && grp->int1) |
392 | if (!grp->size && grp->int1) |
391 | { |
393 | { |
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394 | block_sig (); |
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395 | |
392 | req_invoke (grp); |
396 | if (!req_invoke (grp)) |
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397 | { |
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398 | req_free (grp); |
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399 | unblock_sig (); |
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400 | croak (0); |
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401 | } |
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402 | |
393 | req_free (grp); |
403 | req_free (grp); |
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404 | unblock_sig (); |
394 | } |
405 | } |
395 | } |
406 | } |
396 | |
407 | |
397 | static void req_invoke (aio_req req) |
408 | static int req_invoke (aio_req req) |
398 | { |
409 | { |
399 | dSP; |
410 | dSP; |
400 | |
411 | |
401 | if (req->flags & FLAG_SV1_RO_OFF) |
412 | if (req->flags & FLAG_SV2_RO_OFF) |
402 | SvREADONLY_off (req->sv1); |
413 | SvREADONLY_off (req->sv2); |
403 | |
414 | |
404 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
415 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
405 | { |
416 | { |
406 | ENTER; |
417 | ENTER; |
407 | SAVETMPS; |
418 | SAVETMPS; |
… | |
… | |
445 | PUSHs (sv_2mortal (newSViv (req->result))); |
456 | PUSHs (sv_2mortal (newSViv (req->result))); |
446 | PUTBACK; |
457 | PUTBACK; |
447 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
458 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
448 | SPAGAIN; |
459 | SPAGAIN; |
449 | |
460 | |
450 | fh = SvREFCNT_inc (POPs); |
461 | fh = POPs; |
451 | |
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452 | PUSHMARK (SP); |
462 | PUSHMARK (SP); |
453 | XPUSHs (sv_2mortal (fh)); |
463 | XPUSHs (fh); |
454 | } |
464 | } |
455 | break; |
465 | break; |
456 | |
466 | |
457 | case REQ_GROUP: |
467 | case REQ_GROUP: |
458 | req->int1 = 2; /* mark group as finished */ |
468 | req->int1 = 2; /* mark group as finished */ |
… | |
… | |
473 | break; |
483 | break; |
474 | |
484 | |
475 | case REQ_READLINK: |
485 | case REQ_READLINK: |
476 | if (req->result > 0) |
486 | if (req->result > 0) |
477 | { |
487 | { |
478 | SvCUR_set (req->sv1, req->result); |
488 | SvCUR_set (req->sv2, req->result); |
479 | *SvEND (req->sv1) = 0; |
489 | *SvEND (req->sv2) = 0; |
480 | PUSHs (req->sv1); |
490 | PUSHs (req->sv2); |
481 | } |
491 | } |
482 | break; |
492 | break; |
483 | |
493 | |
484 | case REQ_STAT: |
494 | case REQ_STAT: |
485 | case REQ_LSTAT: |
495 | case REQ_LSTAT: |
… | |
… | |
489 | PL_statcache = *(Stat_t *)(req->ptr2); |
499 | PL_statcache = *(Stat_t *)(req->ptr2); |
490 | PUSHs (sv_2mortal (newSViv (req->result))); |
500 | PUSHs (sv_2mortal (newSViv (req->result))); |
491 | break; |
501 | break; |
492 | |
502 | |
493 | case REQ_READ: |
503 | case REQ_READ: |
494 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
504 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
495 | *SvEND (req->sv1) = 0; |
505 | *SvEND (req->sv2) = 0; |
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
506 | PUSHs (sv_2mortal (newSViv (req->result))); |
497 | break; |
507 | break; |
498 | |
508 | |
499 | default: |
509 | default: |
500 | PUSHs (sv_2mortal (newSViv (req->result))); |
510 | PUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
523 | grp->grp_first = req->grp_next; |
533 | grp->grp_first = req->grp_next; |
524 | |
534 | |
525 | aio_grp_dec (grp); |
535 | aio_grp_dec (grp); |
526 | } |
536 | } |
527 | |
537 | |
528 | if (SvTRUE (ERRSV)) |
538 | return !SvTRUE (ERRSV); |
529 | { |
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530 | req_free (req); |
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531 | croak (0); |
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532 | } |
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533 | } |
539 | } |
534 | |
540 | |
535 | static void req_free (aio_req req) |
541 | static void req_free (aio_req req) |
536 | { |
542 | { |
537 | if (req->self) |
543 | if (req->self) |
538 | { |
544 | { |
539 | sv_unmagic (req->self, PERL_MAGIC_ext); |
545 | sv_unmagic (req->self, PERL_MAGIC_ext); |
540 | SvREFCNT_dec (req->self); |
546 | SvREFCNT_dec (req->self); |
541 | } |
547 | } |
542 | |
548 | |
543 | SvREFCNT_dec (req->fh); |
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544 | SvREFCNT_dec (req->sv1); |
549 | SvREFCNT_dec (req->sv1); |
545 | SvREFCNT_dec (req->sv2); |
550 | SvREFCNT_dec (req->sv2); |
546 | SvREFCNT_dec (req->callback); |
551 | SvREFCNT_dec (req->callback); |
547 | |
552 | |
548 | if (req->flags & FLAG_PTR2_FREE) |
553 | if (req->flags & FLAG_PTR2_FREE) |
… | |
… | |
574 | |
579 | |
575 | static void *aio_proc(void *arg); |
580 | static void *aio_proc(void *arg); |
576 | |
581 | |
577 | static void start_thread (void) |
582 | static void start_thread (void) |
578 | { |
583 | { |
579 | sigset_t fullsigset, oldsigset; |
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580 | pthread_attr_t attr; |
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581 | |
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582 | worker *wrk = calloc (1, sizeof (worker)); |
584 | worker *wrk = calloc (1, sizeof (worker)); |
583 | |
585 | |
584 | if (!wrk) |
586 | if (!wrk) |
585 | croak ("unable to allocate worker thread data"); |
587 | croak ("unable to allocate worker thread data"); |
586 | |
588 | |
587 | pthread_attr_init (&attr); |
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588 | pthread_attr_setstacksize (&attr, STACKSIZE); |
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589 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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590 | #ifdef PTHREAD_SCOPE_PROCESS |
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591 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
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592 | #endif |
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593 | |
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594 | sigfillset (&fullsigset); |
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595 | |
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596 | LOCK (wrklock); |
589 | LOCK (wrklock); |
597 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
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598 | |
590 | |
599 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
591 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
600 | { |
592 | { |
601 | wrk->prev = &wrk_first; |
593 | wrk->prev = &wrk_first; |
602 | wrk->next = wrk_first.next; |
594 | wrk->next = wrk_first.next; |
603 | wrk_first.next->prev = wrk; |
595 | wrk_first.next->prev = wrk; |
604 | wrk_first.next = wrk; |
596 | wrk_first.next = wrk; |
605 | ++started; |
597 | ++started; |
606 | } |
598 | } |
607 | else |
599 | else |
608 | free (wrk); |
600 | free (wrk); |
609 | |
601 | |
610 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
611 | UNLOCK (wrklock); |
602 | UNLOCK (wrklock); |
612 | } |
603 | } |
613 | |
604 | |
614 | static void maybe_start_thread () |
605 | static void maybe_start_thread () |
615 | { |
606 | { |
… | |
… | |
623 | start_thread (); |
614 | start_thread (); |
624 | } |
615 | } |
625 | |
616 | |
626 | static void req_send (aio_req req) |
617 | static void req_send (aio_req req) |
627 | { |
618 | { |
|
|
619 | block_sig (); |
|
|
620 | |
628 | ++nreqs; |
621 | ++nreqs; |
629 | |
622 | |
630 | LOCK (reqlock); |
623 | LOCK (reqlock); |
631 | ++nready; |
624 | ++nready; |
632 | reqq_push (&req_queue, req); |
625 | reqq_push (&req_queue, req); |
633 | pthread_cond_signal (&reqwait); |
626 | COND_SIGNAL (reqwait); |
634 | UNLOCK (reqlock); |
627 | UNLOCK (reqlock); |
|
|
628 | |
|
|
629 | unblock_sig (); |
635 | |
630 | |
636 | maybe_start_thread (); |
631 | maybe_start_thread (); |
637 | } |
632 | } |
638 | |
633 | |
639 | static void end_thread (void) |
634 | static void end_thread (void) |
… | |
… | |
645 | req->type = REQ_QUIT; |
640 | req->type = REQ_QUIT; |
646 | req->pri = PRI_MAX + PRI_BIAS; |
641 | req->pri = PRI_MAX + PRI_BIAS; |
647 | |
642 | |
648 | LOCK (reqlock); |
643 | LOCK (reqlock); |
649 | reqq_push (&req_queue, req); |
644 | reqq_push (&req_queue, req); |
650 | pthread_cond_signal (&reqwait); |
645 | COND_SIGNAL (reqwait); |
651 | UNLOCK (reqlock); |
646 | UNLOCK (reqlock); |
652 | |
647 | |
653 | LOCK (wrklock); |
648 | LOCK (wrklock); |
654 | --started; |
649 | --started; |
655 | UNLOCK (wrklock); |
650 | UNLOCK (wrklock); |
… | |
… | |
710 | aio_req req; |
705 | aio_req req; |
711 | |
706 | |
712 | if (max_poll_time) |
707 | if (max_poll_time) |
713 | gettimeofday (&tv_start, 0); |
708 | gettimeofday (&tv_start, 0); |
714 | |
709 | |
|
|
710 | block_sig (); |
|
|
711 | |
715 | for (;;) |
712 | for (;;) |
716 | { |
713 | { |
717 | for (;;) |
714 | for (;;) |
718 | { |
715 | { |
719 | maybe_start_thread (); |
716 | maybe_start_thread (); |
… | |
… | |
726 | --npending; |
723 | --npending; |
727 | |
724 | |
728 | if (!res_queue.size) |
725 | if (!res_queue.size) |
729 | { |
726 | { |
730 | /* read any signals sent by the worker threads */ |
727 | /* read any signals sent by the worker threads */ |
731 | char buf [32]; |
728 | char buf [4]; |
732 | while (read (respipe [0], buf, 32) == 32) |
729 | while (read (respipe [0], buf, 4) == 4) |
733 | ; |
730 | ; |
734 | } |
731 | } |
735 | } |
732 | } |
736 | |
733 | |
737 | UNLOCK (reslock); |
734 | UNLOCK (reslock); |
… | |
… | |
746 | req->int1 = 1; /* mark request as delayed */ |
743 | req->int1 = 1; /* mark request as delayed */ |
747 | continue; |
744 | continue; |
748 | } |
745 | } |
749 | else |
746 | else |
750 | { |
747 | { |
751 | req_invoke (req); |
748 | if (!req_invoke (req)) |
|
|
749 | { |
|
|
750 | req_free (req); |
|
|
751 | unblock_sig (); |
|
|
752 | croak (0); |
|
|
753 | } |
752 | |
754 | |
753 | count++; |
755 | count++; |
754 | } |
756 | } |
755 | |
757 | |
756 | req_free (req); |
758 | req_free (req); |
… | |
… | |
773 | poll_wait (); |
775 | poll_wait (); |
774 | |
776 | |
775 | ++maxreqs; |
777 | ++maxreqs; |
776 | } |
778 | } |
777 | |
779 | |
|
|
780 | unblock_sig (); |
778 | return count; |
781 | return count; |
779 | } |
782 | } |
780 | |
783 | |
781 | static void create_pipe () |
784 | static void create_pipe () |
782 | { |
785 | { |
… | |
… | |
800 | /* |
803 | /* |
801 | * make our pread/pwrite safe against themselves, but not against |
804 | * make our pread/pwrite safe against themselves, but not against |
802 | * normal read/write by using a mutex. slows down execution a lot, |
805 | * normal read/write by using a mutex. slows down execution a lot, |
803 | * but that's your problem, not mine. |
806 | * but that's your problem, not mine. |
804 | */ |
807 | */ |
805 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
808 | static mutex_t preadwritelock = MUTEX_INIT; |
806 | |
809 | |
807 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
810 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
808 | { |
811 | { |
809 | ssize_t res; |
812 | ssize_t res; |
810 | off_t ooffset; |
813 | off_t ooffset; |
… | |
… | |
833 | |
836 | |
834 | return res; |
837 | return res; |
835 | } |
838 | } |
836 | #endif |
839 | #endif |
837 | |
840 | |
|
|
841 | #ifndef HAVE_FUTIMES |
|
|
842 | |
|
|
843 | # define utimes(path,times) aio_utimes (path, times) |
|
|
844 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
845 | |
|
|
846 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
847 | { |
|
|
848 | if (times) |
|
|
849 | { |
|
|
850 | struct utimbuf buf; |
|
|
851 | |
|
|
852 | buf.actime = times[0].tv_sec; |
|
|
853 | buf.modtime = times[1].tv_sec; |
|
|
854 | |
|
|
855 | return utime (filename, &buf); |
|
|
856 | } |
|
|
857 | else |
|
|
858 | return utime (filename, 0); |
|
|
859 | } |
|
|
860 | |
|
|
861 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
862 | { |
|
|
863 | errno = ENOSYS; |
|
|
864 | return -1; |
|
|
865 | } |
|
|
866 | |
|
|
867 | #endif |
|
|
868 | |
838 | #if !HAVE_FDATASYNC |
869 | #if !HAVE_FDATASYNC |
839 | # define fdatasync fsync |
870 | # define fdatasync fsync |
840 | #endif |
871 | #endif |
841 | |
872 | |
842 | #if !HAVE_READAHEAD |
873 | #if !HAVE_READAHEAD |
… | |
… | |
861 | #endif |
892 | #endif |
862 | |
893 | |
863 | #if !HAVE_READDIR_R |
894 | #if !HAVE_READDIR_R |
864 | # define readdir_r aio_readdir_r |
895 | # define readdir_r aio_readdir_r |
865 | |
896 | |
866 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
897 | static mutex_t readdirlock = MUTEX_INIT; |
867 | |
898 | |
868 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
899 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
869 | { |
900 | { |
870 | struct dirent *e; |
901 | struct dirent *e; |
871 | int errorno; |
902 | int errorno; |
… | |
… | |
1070 | if (req) |
1101 | if (req) |
1071 | break; |
1102 | break; |
1072 | |
1103 | |
1073 | ++idle; |
1104 | ++idle; |
1074 | |
1105 | |
1075 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
1106 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
1076 | == ETIMEDOUT) |
1107 | == ETIMEDOUT) |
1077 | { |
1108 | { |
1078 | if (idle > max_idle) |
1109 | if (idle > max_idle) |
1079 | { |
1110 | { |
1080 | --idle; |
1111 | --idle; |
… | |
… | |
1084 | UNLOCK (wrklock); |
1115 | UNLOCK (wrklock); |
1085 | goto quit; |
1116 | goto quit; |
1086 | } |
1117 | } |
1087 | |
1118 | |
1088 | /* we are allowed to idle, so do so without any timeout */ |
1119 | /* we are allowed to idle, so do so without any timeout */ |
1089 | pthread_cond_wait (&reqwait, &reqlock); |
1120 | COND_WAIT (reqwait, reqlock); |
1090 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1121 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1091 | } |
1122 | } |
1092 | |
1123 | |
1093 | --idle; |
1124 | --idle; |
1094 | } |
1125 | } |
… | |
… | |
1110 | |
1141 | |
1111 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1142 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1112 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1143 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1113 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1144 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1114 | |
1145 | |
|
|
1146 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1147 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1148 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1149 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1150 | |
1115 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1151 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1116 | case REQ_CLOSE: req->result = close (req->int1); break; |
1152 | case REQ_CLOSE: req->result = close (req->int1); break; |
1117 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1153 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1118 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1154 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1155 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1156 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1157 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1121 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1158 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1122 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1159 | 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; |
1160 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
… | |
… | |
1128 | |
1165 | |
1129 | case REQ_BUSY: |
1166 | case REQ_BUSY: |
1130 | { |
1167 | { |
1131 | struct timeval tv; |
1168 | struct timeval tv; |
1132 | |
1169 | |
1133 | tv.tv_sec = req->int1; |
1170 | tv.tv_sec = req->nv1; |
1134 | tv.tv_usec = req->int2; |
1171 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
1135 | |
1172 | |
1136 | req->result = select (0, 0, 0, 0, &tv); |
1173 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1174 | } |
|
|
1175 | |
|
|
1176 | case REQ_UTIME: |
|
|
1177 | case REQ_FUTIME: |
|
|
1178 | { |
|
|
1179 | struct timeval tv[2]; |
|
|
1180 | struct timeval *times; |
|
|
1181 | |
|
|
1182 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1183 | { |
|
|
1184 | tv[0].tv_sec = req->nv1; |
|
|
1185 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1186 | tv[1].tv_sec = req->nv2; |
|
|
1187 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1188 | |
|
|
1189 | times = tv; |
|
|
1190 | } |
|
|
1191 | else |
|
|
1192 | times = 0; |
|
|
1193 | |
|
|
1194 | |
|
|
1195 | req->result = req->type == REQ_FUTIME |
|
|
1196 | ? futimes (req->int1, times) |
|
|
1197 | : utimes (req->ptr1, times); |
1137 | } |
1198 | } |
1138 | |
1199 | |
1139 | case REQ_GROUP: |
1200 | case REQ_GROUP: |
1140 | case REQ_NOP: |
1201 | case REQ_NOP: |
1141 | break; |
1202 | break; |
1142 | |
1203 | |
1143 | case REQ_QUIT: |
1204 | case REQ_QUIT: |
1144 | goto quit; |
1205 | goto quit; |
1145 | |
1206 | |
1146 | default: |
1207 | default: |
1147 | req->result = ENOSYS; |
1208 | req->result = -1; |
1148 | break; |
1209 | break; |
1149 | } |
1210 | } |
1150 | |
1211 | |
1151 | req->errorno = errno; |
1212 | req->errorno = errno; |
1152 | |
1213 | |
1153 | LOCK (reslock); |
1214 | LOCK (reslock); |
1154 | |
1215 | |
1155 | ++npending; |
1216 | ++npending; |
1156 | |
1217 | |
1157 | if (!reqq_push (&res_queue, req)) |
1218 | if (!reqq_push (&res_queue, req)) |
|
|
1219 | { |
1158 | /* write a dummy byte to the pipe so fh becomes ready */ |
1220 | /* write a dummy byte to the pipe so fh becomes ready */ |
1159 | write (respipe [1], &respipe, 1); |
1221 | write (respipe [1], &respipe, 1); |
|
|
1222 | |
|
|
1223 | /* optionally signal the main thread asynchronously */ |
|
|
1224 | if (main_sig) |
|
|
1225 | pthread_kill (main_tid, main_sig); |
|
|
1226 | } |
1160 | |
1227 | |
1161 | self->req = 0; |
1228 | self->req = 0; |
1162 | worker_clear (self); |
1229 | worker_clear (self); |
1163 | |
1230 | |
1164 | UNLOCK (reslock); |
1231 | UNLOCK (reslock); |
… | |
… | |
1267 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1334 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1268 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1335 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1269 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1336 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1270 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1337 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1271 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1338 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1339 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1272 | |
1340 | |
1273 | create_pipe (); |
1341 | create_pipe (); |
1274 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1342 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1275 | } |
1343 | } |
1276 | |
1344 | |
1277 | void |
1345 | void |
1278 | max_poll_reqs (int nreqs) |
1346 | max_poll_reqs (int nreqs) |
1279 | PROTOTYPE: $ |
1347 | PROTOTYPE: $ |
… | |
… | |
1308 | max_outstanding = maxreqs; |
1376 | max_outstanding = maxreqs; |
1309 | OUTPUT: |
1377 | OUTPUT: |
1310 | RETVAL |
1378 | RETVAL |
1311 | |
1379 | |
1312 | void |
1380 | void |
1313 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1381 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1314 | SV * pathname |
|
|
1315 | int flags |
|
|
1316 | int mode |
|
|
1317 | SV * callback |
|
|
1318 | PROTOTYPE: $$$;$ |
1382 | PROTOTYPE: $$$;$ |
1319 | PPCODE: |
1383 | PPCODE: |
1320 | { |
1384 | { |
1321 | dREQ; |
1385 | dREQ; |
1322 | |
1386 | |
1323 | req->type = REQ_OPEN; |
1387 | req->type = REQ_OPEN; |
1324 | req->sv1 = newSVsv (pathname); |
1388 | req->sv1 = newSVsv (pathname); |
1325 | req->ptr1 = SvPVbyte_nolen (pathname); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1326 | req->int1 = flags; |
1390 | req->int1 = flags; |
1327 | req->mode = mode; |
1391 | req->mode = mode; |
1328 | |
1392 | |
1329 | REQ_SEND; |
1393 | REQ_SEND; |
1330 | } |
1394 | } |
1331 | |
1395 | |
1332 | void |
1396 | void |
1333 | aio_close (fh,callback=&PL_sv_undef) |
1397 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1334 | SV * fh |
|
|
1335 | SV * callback |
|
|
1336 | PROTOTYPE: $;$ |
1398 | PROTOTYPE: $;$ |
1337 | ALIAS: |
1399 | ALIAS: |
1338 | aio_close = REQ_CLOSE |
1400 | aio_close = REQ_CLOSE |
1339 | aio_fsync = REQ_FSYNC |
1401 | aio_fsync = REQ_FSYNC |
1340 | aio_fdatasync = REQ_FDATASYNC |
1402 | aio_fdatasync = REQ_FDATASYNC |
1341 | PPCODE: |
1403 | PPCODE: |
1342 | { |
1404 | { |
1343 | dREQ; |
1405 | dREQ; |
1344 | |
1406 | |
1345 | req->type = ix; |
1407 | req->type = ix; |
1346 | req->fh = newSVsv (fh); |
1408 | req->sv1 = newSVsv (fh); |
1347 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1409 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1348 | |
1410 | |
1349 | REQ_SEND (req); |
1411 | REQ_SEND (req); |
1350 | } |
1412 | } |
1351 | |
1413 | |
1352 | void |
1414 | void |
1353 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1415 | aio_read (SV *fh, UV offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef) |
1354 | SV * fh |
|
|
1355 | UV offset |
|
|
1356 | UV length |
|
|
1357 | SV * data |
|
|
1358 | UV dataoffset |
|
|
1359 | SV * callback |
|
|
1360 | ALIAS: |
1416 | ALIAS: |
1361 | aio_read = REQ_READ |
1417 | aio_read = REQ_READ |
1362 | aio_write = REQ_WRITE |
1418 | aio_write = REQ_WRITE |
1363 | PROTOTYPE: $$$$$;$ |
1419 | PROTOTYPE: $$$$$;$ |
1364 | PPCODE: |
1420 | PPCODE: |
… | |
… | |
1382 | length = svlen - dataoffset; |
1438 | length = svlen - dataoffset; |
1383 | } |
1439 | } |
1384 | else |
1440 | else |
1385 | { |
1441 | { |
1386 | /* read: grow scalar as necessary */ |
1442 | /* read: grow scalar as necessary */ |
1387 | svptr = SvGROW (data, length + dataoffset); |
1443 | svptr = SvGROW (data, length + dataoffset + 1); |
1388 | } |
1444 | } |
1389 | |
1445 | |
1390 | if (length < 0) |
1446 | if (length < 0) |
1391 | croak ("length must not be negative"); |
1447 | croak ("length must not be negative"); |
1392 | |
1448 | |
1393 | { |
1449 | { |
1394 | dREQ; |
1450 | dREQ; |
1395 | |
1451 | |
1396 | req->type = ix; |
1452 | req->type = ix; |
1397 | req->fh = newSVsv (fh); |
1453 | req->sv1 = newSVsv (fh); |
1398 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1454 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1399 | : IoOFP (sv_2io (fh))); |
1455 | : IoOFP (sv_2io (fh))); |
1400 | req->offs = offset; |
1456 | req->offs = offset; |
1401 | req->size = length; |
1457 | req->size = length; |
1402 | req->sv1 = SvREFCNT_inc (data); |
1458 | req->sv2 = SvREFCNT_inc (data); |
1403 | req->ptr1 = (char *)svptr + dataoffset; |
1459 | req->ptr1 = (char *)svptr + dataoffset; |
1404 | req->stroffset = dataoffset; |
1460 | req->stroffset = dataoffset; |
1405 | |
1461 | |
1406 | if (!SvREADONLY (data)) |
1462 | if (!SvREADONLY (data)) |
1407 | { |
1463 | { |
1408 | SvREADONLY_on (data); |
1464 | SvREADONLY_on (data); |
1409 | req->flags |= FLAG_SV1_RO_OFF; |
1465 | req->flags |= FLAG_SV2_RO_OFF; |
1410 | } |
1466 | } |
1411 | |
1467 | |
1412 | REQ_SEND; |
1468 | REQ_SEND; |
1413 | } |
1469 | } |
1414 | } |
1470 | } |
1415 | |
1471 | |
1416 | void |
1472 | void |
1417 | aio_readlink (path,callback=&PL_sv_undef) |
1473 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1418 | SV * path |
|
|
1419 | SV * callback |
|
|
1420 | PROTOTYPE: $$;$ |
1474 | PROTOTYPE: $$;$ |
1421 | PPCODE: |
1475 | PPCODE: |
1422 | { |
1476 | { |
1423 | SV *data; |
1477 | SV *data; |
1424 | dREQ; |
1478 | dREQ; |
1425 | |
1479 | |
1426 | data = newSV (NAME_MAX); |
1480 | data = newSV (NAME_MAX); |
1427 | SvPOK_on (data); |
1481 | SvPOK_on (data); |
1428 | |
1482 | |
1429 | req->type = REQ_READLINK; |
1483 | req->type = REQ_READLINK; |
1430 | req->fh = newSVsv (path); |
1484 | req->sv1 = newSVsv (path); |
1431 | req->ptr2 = SvPVbyte_nolen (path); |
1485 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
1432 | req->sv1 = data; |
1486 | req->sv2 = data; |
1433 | req->ptr1 = SvPVbyte_nolen (data); |
1487 | req->ptr1 = SvPVbyte_nolen (data); |
1434 | |
1488 | |
1435 | REQ_SEND; |
1489 | REQ_SEND; |
1436 | } |
1490 | } |
1437 | |
1491 | |
1438 | void |
1492 | void |
1439 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1493 | aio_sendfile (SV *out_fh, SV *in_fh, UV in_offset, UV length, SV *callback=&PL_sv_undef) |
1440 | SV * out_fh |
|
|
1441 | SV * in_fh |
|
|
1442 | UV in_offset |
|
|
1443 | UV length |
|
|
1444 | SV * callback |
|
|
1445 | PROTOTYPE: $$$$;$ |
1494 | PROTOTYPE: $$$$;$ |
1446 | PPCODE: |
1495 | PPCODE: |
1447 | { |
1496 | { |
1448 | dREQ; |
1497 | dREQ; |
1449 | |
1498 | |
1450 | req->type = REQ_SENDFILE; |
1499 | req->type = REQ_SENDFILE; |
1451 | req->fh = newSVsv (out_fh); |
1500 | req->sv1 = newSVsv (out_fh); |
1452 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1501 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1453 | req->sv2 = newSVsv (in_fh); |
1502 | req->sv2 = newSVsv (in_fh); |
1454 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1503 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1455 | req->offs = in_offset; |
1504 | req->offs = in_offset; |
1456 | req->size = length; |
1505 | req->size = length; |
1457 | |
1506 | |
1458 | REQ_SEND; |
1507 | REQ_SEND; |
1459 | } |
1508 | } |
1460 | |
1509 | |
1461 | void |
1510 | void |
1462 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1511 | aio_readahead (SV *fh, UV offset, IV length, SV *callback=&PL_sv_undef) |
1463 | SV * fh |
|
|
1464 | UV offset |
|
|
1465 | IV length |
|
|
1466 | SV * callback |
|
|
1467 | PROTOTYPE: $$$;$ |
1512 | PROTOTYPE: $$$;$ |
1468 | PPCODE: |
1513 | PPCODE: |
1469 | { |
1514 | { |
1470 | dREQ; |
1515 | dREQ; |
1471 | |
1516 | |
1472 | req->type = REQ_READAHEAD; |
1517 | req->type = REQ_READAHEAD; |
1473 | req->fh = newSVsv (fh); |
1518 | req->sv1 = newSVsv (fh); |
1474 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1519 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1475 | req->offs = offset; |
1520 | req->offs = offset; |
1476 | req->size = length; |
1521 | req->size = length; |
1477 | |
1522 | |
1478 | REQ_SEND; |
1523 | REQ_SEND; |
1479 | } |
1524 | } |
1480 | |
1525 | |
1481 | void |
1526 | void |
1482 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1527 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1483 | SV * fh_or_path |
|
|
1484 | SV * callback |
|
|
1485 | ALIAS: |
1528 | ALIAS: |
1486 | aio_stat = REQ_STAT |
1529 | aio_stat = REQ_STAT |
1487 | aio_lstat = REQ_LSTAT |
1530 | aio_lstat = REQ_LSTAT |
1488 | PPCODE: |
1531 | PPCODE: |
1489 | { |
1532 | { |
… | |
… | |
1491 | |
1534 | |
1492 | req->ptr2 = malloc (sizeof (Stat_t)); |
1535 | req->ptr2 = malloc (sizeof (Stat_t)); |
1493 | if (!req->ptr2) |
1536 | if (!req->ptr2) |
1494 | { |
1537 | { |
1495 | req_free (req); |
1538 | req_free (req); |
1496 | croak ("out of memory during aio_req statdata allocation"); |
1539 | croak ("out of memory during aio_stat statdata allocation"); |
1497 | } |
1540 | } |
1498 | |
1541 | |
1499 | req->flags |= FLAG_PTR2_FREE; |
1542 | req->flags |= FLAG_PTR2_FREE; |
|
|
1543 | req->sv1 = newSVsv (fh_or_path); |
1500 | |
1544 | |
1501 | if (SvPOK (fh_or_path)) |
1545 | if (SvPOK (fh_or_path)) |
1502 | { |
1546 | { |
1503 | req->type = ix; |
1547 | req->type = ix; |
1504 | req->sv1 = newSVsv (fh_or_path); |
|
|
1505 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1548 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1506 | } |
1549 | } |
1507 | else |
1550 | else |
1508 | { |
1551 | { |
1509 | req->type = REQ_FSTAT; |
1552 | req->type = REQ_FSTAT; |
1510 | req->fh = newSVsv (fh_or_path); |
|
|
1511 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1553 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1512 | } |
1554 | } |
1513 | |
1555 | |
1514 | REQ_SEND; |
1556 | REQ_SEND; |
1515 | } |
1557 | } |
1516 | |
1558 | |
1517 | void |
1559 | void |
|
|
1560 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1561 | PPCODE: |
|
|
1562 | { |
|
|
1563 | dREQ; |
|
|
1564 | |
|
|
1565 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1566 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1567 | req->sv1 = newSVsv (fh_or_path); |
|
|
1568 | |
|
|
1569 | if (SvPOK (fh_or_path)) |
|
|
1570 | { |
|
|
1571 | req->type = REQ_UTIME; |
|
|
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1573 | } |
|
|
1574 | else |
|
|
1575 | { |
|
|
1576 | req->type = REQ_FUTIME; |
|
|
1577 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1578 | } |
|
|
1579 | |
|
|
1580 | REQ_SEND; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void |
|
|
1584 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1585 | PPCODE: |
|
|
1586 | { |
|
|
1587 | dREQ; |
|
|
1588 | |
|
|
1589 | req->mode = mode; |
|
|
1590 | req->sv1 = newSVsv (fh_or_path); |
|
|
1591 | |
|
|
1592 | if (SvPOK (fh_or_path)) |
|
|
1593 | { |
|
|
1594 | req->type = REQ_CHMOD; |
|
|
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1596 | } |
|
|
1597 | else |
|
|
1598 | { |
|
|
1599 | req->type = REQ_FCHMOD; |
|
|
1600 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1601 | } |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | void |
|
|
1607 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1608 | PPCODE: |
|
|
1609 | { |
|
|
1610 | dREQ; |
|
|
1611 | |
|
|
1612 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1613 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1614 | req->sv1 = newSVsv (fh_or_path); |
|
|
1615 | |
|
|
1616 | if (SvPOK (fh_or_path)) |
|
|
1617 | { |
|
|
1618 | req->type = REQ_CHOWN; |
|
|
1619 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1620 | } |
|
|
1621 | else |
|
|
1622 | { |
|
|
1623 | req->type = REQ_FCHOWN; |
|
|
1624 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | REQ_SEND; |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | void |
1518 | aio_unlink (pathname,callback=&PL_sv_undef) |
1631 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1519 | SV * pathname |
|
|
1520 | SV * callback |
|
|
1521 | ALIAS: |
1632 | ALIAS: |
1522 | aio_unlink = REQ_UNLINK |
1633 | aio_unlink = REQ_UNLINK |
1523 | aio_rmdir = REQ_RMDIR |
1634 | aio_rmdir = REQ_RMDIR |
1524 | aio_readdir = REQ_READDIR |
1635 | aio_readdir = REQ_READDIR |
1525 | PPCODE: |
1636 | PPCODE: |
1526 | { |
1637 | { |
1527 | dREQ; |
1638 | dREQ; |
1528 | |
1639 | |
1529 | req->type = ix; |
1640 | req->type = ix; |
1530 | req->sv1 = newSVsv (pathname); |
1641 | req->sv1 = newSVsv (pathname); |
1531 | req->ptr1 = SvPVbyte_nolen (pathname); |
1642 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1532 | |
1643 | |
1533 | REQ_SEND; |
1644 | REQ_SEND; |
1534 | } |
1645 | } |
1535 | |
1646 | |
1536 | void |
1647 | void |
|
|
1648 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1649 | PPCODE: |
|
|
1650 | { |
|
|
1651 | dREQ; |
|
|
1652 | |
|
|
1653 | req->type = REQ_MKDIR; |
|
|
1654 | req->sv1 = newSVsv (pathname); |
|
|
1655 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1656 | req->mode = mode; |
|
|
1657 | |
|
|
1658 | REQ_SEND; |
|
|
1659 | } |
|
|
1660 | |
|
|
1661 | void |
1537 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1662 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1538 | SV * oldpath |
|
|
1539 | SV * newpath |
|
|
1540 | SV * callback |
|
|
1541 | ALIAS: |
1663 | ALIAS: |
1542 | aio_link = REQ_LINK |
1664 | aio_link = REQ_LINK |
1543 | aio_symlink = REQ_SYMLINK |
1665 | aio_symlink = REQ_SYMLINK |
1544 | aio_rename = REQ_RENAME |
1666 | aio_rename = REQ_RENAME |
1545 | PPCODE: |
1667 | PPCODE: |
1546 | { |
1668 | { |
1547 | dREQ; |
1669 | dREQ; |
1548 | |
1670 | |
1549 | req->type = ix; |
1671 | req->type = ix; |
1550 | req->fh = newSVsv (oldpath); |
1672 | req->sv2 = newSVsv (oldpath); |
1551 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1673 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1552 | req->sv1 = newSVsv (newpath); |
1674 | req->sv1 = newSVsv (newpath); |
1553 | req->ptr1 = SvPVbyte_nolen (newpath); |
1675 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1554 | |
1676 | |
1555 | REQ_SEND; |
1677 | REQ_SEND; |
1556 | } |
1678 | } |
1557 | |
1679 | |
1558 | void |
1680 | void |
1559 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1681 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1560 | SV * pathname |
|
|
1561 | SV * callback |
|
|
1562 | UV mode |
|
|
1563 | UV dev |
|
|
1564 | PPCODE: |
1682 | PPCODE: |
1565 | { |
1683 | { |
1566 | dREQ; |
1684 | dREQ; |
1567 | |
1685 | |
1568 | req->type = REQ_MKNOD; |
1686 | req->type = REQ_MKNOD; |
1569 | req->sv1 = newSVsv (pathname); |
1687 | req->sv1 = newSVsv (pathname); |
1570 | req->ptr1 = SvPVbyte_nolen (pathname); |
1688 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1571 | req->mode = (mode_t)mode; |
1689 | req->mode = (mode_t)mode; |
1572 | req->offs = dev; |
1690 | req->offs = dev; |
1573 | |
1691 | |
1574 | REQ_SEND; |
1692 | REQ_SEND; |
1575 | } |
1693 | } |
1576 | |
1694 | |
1577 | void |
1695 | void |
1578 | aio_busy (delay,callback=&PL_sv_undef) |
1696 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1579 | double delay |
|
|
1580 | SV * callback |
|
|
1581 | PPCODE: |
1697 | PPCODE: |
1582 | { |
1698 | { |
1583 | dREQ; |
1699 | dREQ; |
1584 | |
1700 | |
1585 | req->type = REQ_BUSY; |
1701 | req->type = REQ_BUSY; |
1586 | req->int1 = delay < 0. ? 0 : delay; |
1702 | req->nv1 = delay < 0. ? 0. : delay; |
1587 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1588 | |
1703 | |
1589 | REQ_SEND; |
1704 | REQ_SEND; |
1590 | } |
1705 | } |
1591 | |
1706 | |
1592 | void |
1707 | void |
1593 | aio_group (callback=&PL_sv_undef) |
1708 | aio_group (SV *callback=&PL_sv_undef) |
1594 | SV * callback |
|
|
1595 | PROTOTYPE: ;$ |
1709 | PROTOTYPE: ;$ |
1596 | PPCODE: |
1710 | PPCODE: |
1597 | { |
1711 | { |
1598 | dREQ; |
1712 | dREQ; |
1599 | |
1713 | |
… | |
… | |
1602 | req_send (req); |
1716 | req_send (req); |
1603 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1717 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1604 | } |
1718 | } |
1605 | |
1719 | |
1606 | void |
1720 | void |
1607 | aio_nop (callback=&PL_sv_undef) |
1721 | aio_nop (SV *callback=&PL_sv_undef) |
1608 | SV * callback |
|
|
1609 | PPCODE: |
1722 | PPCODE: |
1610 | { |
1723 | { |
1611 | dREQ; |
1724 | dREQ; |
1612 | |
1725 | |
1613 | req->type = REQ_NOP; |
1726 | req->type = REQ_NOP; |
… | |
… | |
1642 | PROTOTYPE: |
1755 | PROTOTYPE: |
1643 | CODE: |
1756 | CODE: |
1644 | while (nreqs) |
1757 | while (nreqs) |
1645 | { |
1758 | { |
1646 | poll_wait (); |
1759 | poll_wait (); |
1647 | poll_cb (0); |
1760 | poll_cb (); |
1648 | } |
1761 | } |
1649 | |
1762 | |
1650 | void |
1763 | int |
1651 | poll() |
1764 | poll() |
1652 | PROTOTYPE: |
1765 | PROTOTYPE: |
1653 | CODE: |
1766 | CODE: |
1654 | if (nreqs) |
|
|
1655 | { |
|
|
1656 | poll_wait (); |
1767 | poll_wait (); |
1657 | poll_cb (0); |
1768 | RETVAL = poll_cb (); |
1658 | } |
1769 | OUTPUT: |
|
|
1770 | RETVAL |
1659 | |
1771 | |
1660 | int |
1772 | int |
1661 | poll_fileno() |
1773 | poll_fileno() |
1662 | PROTOTYPE: |
1774 | PROTOTYPE: |
1663 | CODE: |
1775 | CODE: |
… | |
… | |
1675 | |
1787 | |
1676 | void |
1788 | void |
1677 | poll_wait() |
1789 | poll_wait() |
1678 | PROTOTYPE: |
1790 | PROTOTYPE: |
1679 | CODE: |
1791 | CODE: |
1680 | if (nreqs) |
|
|
1681 | poll_wait (); |
1792 | poll_wait (); |
|
|
1793 | |
|
|
1794 | void |
|
|
1795 | setsig (int signum = SIGIO) |
|
|
1796 | PROTOTYPE: ;$ |
|
|
1797 | CODE: |
|
|
1798 | { |
|
|
1799 | if (block_sig_level) |
|
|
1800 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1801 | |
|
|
1802 | LOCK (reslock); |
|
|
1803 | main_tid = pthread_self (); |
|
|
1804 | main_sig = signum; |
|
|
1805 | UNLOCK (reslock); |
|
|
1806 | |
|
|
1807 | if (main_sig && npending) |
|
|
1808 | pthread_kill (main_tid, main_sig); |
|
|
1809 | } |
|
|
1810 | |
|
|
1811 | void |
|
|
1812 | aio_block (SV *cb) |
|
|
1813 | PROTOTYPE: & |
|
|
1814 | PPCODE: |
|
|
1815 | { |
|
|
1816 | int count; |
|
|
1817 | |
|
|
1818 | block_sig (); |
|
|
1819 | PUSHMARK (SP); |
|
|
1820 | PUTBACK; |
|
|
1821 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1822 | SPAGAIN; |
|
|
1823 | unblock_sig (); |
|
|
1824 | |
|
|
1825 | if (SvTRUE (ERRSV)) |
|
|
1826 | croak (0); |
|
|
1827 | |
|
|
1828 | XSRETURN (count); |
|
|
1829 | } |
1682 | |
1830 | |
1683 | int |
1831 | int |
1684 | nreqs() |
1832 | nreqs() |
1685 | PROTOTYPE: |
1833 | PROTOTYPE: |
1686 | CODE: |
1834 | CODE: |
… | |
… | |
1736 | PPCODE: |
1884 | PPCODE: |
1737 | { |
1885 | { |
1738 | int i; |
1886 | int i; |
1739 | aio_req req; |
1887 | aio_req req; |
1740 | |
1888 | |
|
|
1889 | if (main_sig && !block_sig_level) |
|
|
1890 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1891 | |
1741 | if (grp->int1 == 2) |
1892 | if (grp->int1 == 2) |
1742 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1893 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1743 | |
1894 | |
1744 | for (i = 1; i < items; ++i ) |
1895 | for (i = 1; i < items; ++i ) |
1745 | { |
1896 | { |