1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
|
|
3 | |
|
|
4 | #if __linux && !defined(_GNU_SOURCE) |
|
|
5 | # define _GNU_SOURCE |
|
|
6 | #endif |
|
|
7 | |
|
|
8 | /* just in case */ |
|
|
9 | #define _REENTRANT 1 |
|
|
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 "schmorp.h" |
18 | |
|
|
19 | #include <pthread.h> |
|
|
20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
|
|
12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
|
|
24 | #include <sys/select.h> |
|
|
25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
27 | #include <limits.h> |
16 | #include <limits.h> |
28 | #include <unistd.h> |
|
|
29 | #include <fcntl.h> |
17 | #include <fcntl.h> |
30 | #include <signal.h> |
|
|
31 | #include <sched.h> |
18 | #include <sched.h> |
32 | |
19 | |
33 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
|
|
35 | # include <sys/sendfile.h> |
|
|
36 | # elif __freebsd |
|
|
37 | # include <sys/socket.h> |
|
|
38 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
39 | # elif __hpux |
22 | #endif |
|
|
23 | |
|
|
24 | /* perl namespace pollution */ |
|
|
25 | #undef VERSION |
|
|
26 | |
|
|
27 | /* perl stupidly overrides readdir and maybe others */ |
|
|
28 | /* with thread-unsafe versions, imagine that :( */ |
|
|
29 | #undef readdir |
|
|
30 | #undef opendir |
|
|
31 | #undef closedir |
|
|
32 | |
|
|
33 | #ifdef _WIN32 |
|
|
34 | |
|
|
35 | // perl overrides all those nice libc functions |
|
|
36 | |
|
|
37 | #undef malloc |
|
|
38 | #undef free |
|
|
39 | #undef open |
|
|
40 | #undef read |
|
|
41 | #undef write |
|
|
42 | #undef send |
|
|
43 | #undef recv |
|
|
44 | #undef stat |
|
|
45 | #undef lstat |
|
|
46 | #undef fstat |
|
|
47 | #undef truncate |
|
|
48 | #undef ftruncate |
|
|
49 | #undef open |
|
|
50 | #undef link |
|
|
51 | #undef close |
|
|
52 | #undef unlink |
|
|
53 | #undef mkdir |
|
|
54 | #undef rmdir |
|
|
55 | #undef rename |
|
|
56 | #undef lseek |
|
|
57 | #undef opendir |
|
|
58 | #undef readdir |
|
|
59 | #undef closedir |
|
|
60 | #undef chmod |
|
|
61 | #undef fchmod |
|
|
62 | #undef dup |
|
|
63 | #undef dup2 |
|
|
64 | #undef abort |
|
|
65 | #undef pipe |
|
|
66 | |
|
|
67 | #else |
|
|
68 | |
40 | # include <sys/socket.h> |
69 | #include <sys/time.h> |
41 | # elif __solaris /* not yet */ |
|
|
42 | # include <sys/sendfile.h> |
70 | #include <sys/select.h> |
|
|
71 | #include <unistd.h> |
|
|
72 | #include <utime.h> |
|
|
73 | #include <signal.h> |
|
|
74 | |
|
|
75 | #endif |
|
|
76 | |
|
|
77 | #define EIO_STRUCT_STAT Stat_t |
|
|
78 | |
|
|
79 | /* use NV for 32 bit perls as it allows larger offsets */ |
|
|
80 | #if IVSIZE >= 8 |
|
|
81 | # define VAL64 IV |
|
|
82 | # define SvVAL64 SvIV |
|
|
83 | # define newSVval64 newSViv |
|
|
84 | #else |
|
|
85 | # define VAL64 NV |
|
|
86 | # define SvVAL64 SvNV |
|
|
87 | # define newSVval64 newSVnv |
|
|
88 | #endif |
|
|
89 | |
|
|
90 | /*****************************************************************************/ |
|
|
91 | |
|
|
92 | #if __GNUC__ >= 3 |
|
|
93 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
94 | #else |
|
|
95 | # define expect(expr,value) (expr) |
|
|
96 | #endif |
|
|
97 | |
|
|
98 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
99 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
100 | |
|
|
101 | /*****************************************************************************/ |
|
|
102 | |
|
|
103 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
104 | typedef int aio_rfd; /* read file desriptor */ |
|
|
105 | typedef int aio_wfd; /* write file descriptor */ |
|
|
106 | |
|
|
107 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
|
|
108 | |
|
|
109 | #define EIO_REQ_MEMBERS \ |
|
|
110 | SV *callback; \ |
|
|
111 | SV *sv1, *sv2; \ |
|
|
112 | SV *sv3, *sv4; \ |
|
|
113 | STRLEN stroffset; \ |
|
|
114 | SV *self; |
|
|
115 | |
|
|
116 | #define EIO_NO_WRAPPERS 1 |
|
|
117 | |
|
|
118 | #include "libeio/config.h" |
|
|
119 | #include "libeio/eio.h" |
|
|
120 | |
|
|
121 | static int req_invoke (eio_req *req); |
|
|
122 | #define EIO_FINISH(req) req_invoke (req) |
|
|
123 | static void req_destroy (eio_req *grp); |
|
|
124 | #define EIO_DESTROY(req) req_destroy (req) |
|
|
125 | |
|
|
126 | #include "libeio/eio.c" |
|
|
127 | |
|
|
128 | /* Linux/others */ |
|
|
129 | #ifndef O_ASYNC |
|
|
130 | # define O_ASYNC 0 |
|
|
131 | #endif |
|
|
132 | #ifndef O_DIRECT |
|
|
133 | # define O_DIRECT 0 |
|
|
134 | #endif |
|
|
135 | #ifndef O_NOATIME |
|
|
136 | # define O_NOATIME 0 |
|
|
137 | #endif |
|
|
138 | |
|
|
139 | /* POSIX */ |
|
|
140 | #ifndef O_CLOEXEC |
|
|
141 | # define O_CLOEXEC 0 |
|
|
142 | #endif |
|
|
143 | #ifndef O_NOFOLLOW |
|
|
144 | # define O_NOFOLLOW 0 |
|
|
145 | #endif |
|
|
146 | #ifndef O_NOCTTY |
|
|
147 | # define O_NOCTTY 0 |
|
|
148 | #endif |
|
|
149 | #ifndef O_NONBLOCK |
|
|
150 | # define O_NONBLOCK 0 |
|
|
151 | #endif |
|
|
152 | #ifndef O_EXEC |
|
|
153 | # define O_EXEC 0 |
|
|
154 | #endif |
|
|
155 | #ifndef O_SEARCH |
|
|
156 | # define O_SEARCH 0 |
|
|
157 | #endif |
|
|
158 | #ifndef O_DIRECTORY |
|
|
159 | # define O_DIRECTORY 0 |
|
|
160 | #endif |
|
|
161 | #ifndef O_DSYNC |
|
|
162 | # define O_DSYNC 0 |
|
|
163 | #endif |
|
|
164 | #ifndef O_RSYNC |
|
|
165 | # define O_RSYNC 0 |
|
|
166 | #endif |
|
|
167 | #ifndef O_SYNC |
|
|
168 | # define O_SYNC 0 |
|
|
169 | #endif |
|
|
170 | #ifndef O_TTY_INIT |
|
|
171 | # define O_TTY_INIT 0 |
|
|
172 | #endif |
|
|
173 | |
|
|
174 | #ifndef POSIX_FADV_NORMAL |
|
|
175 | # define POSIX_FADV_NORMAL 0 |
|
|
176 | #endif |
|
|
177 | #ifndef POSIX_FADV_SEQUENTIAL |
|
|
178 | # define POSIX_FADV_SEQUENTIAL 0 |
|
|
179 | #endif |
|
|
180 | #ifndef POSIX_FADV_RANDOM |
|
|
181 | # define POSIX_FADV_RANDOM 0 |
|
|
182 | #endif |
|
|
183 | #ifndef POSIX_FADV_NOREUSE |
|
|
184 | # define POSIX_FADV_NOREUSE 0 |
|
|
185 | #endif |
|
|
186 | #ifndef POSIX_FADV_WILLNEED |
|
|
187 | # define POSIX_FADV_WILLNEED 0 |
|
|
188 | #endif |
|
|
189 | #ifndef POSIX_FADV_DONTNEED |
|
|
190 | # define POSIX_FADV_DONTNEED 0 |
|
|
191 | #endif |
|
|
192 | |
|
|
193 | #if !HAVE_POSIX_FADVISE |
|
|
194 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
195 | #endif |
|
|
196 | |
|
|
197 | #ifndef POSIX_MADV_NORMAL |
|
|
198 | # define POSIX_MADV_NORMAL 0 |
|
|
199 | #endif |
|
|
200 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
201 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
202 | #endif |
|
|
203 | #ifndef POSIX_MADV_RANDOM |
|
|
204 | # define POSIX_MADV_RANDOM 0 |
|
|
205 | #endif |
|
|
206 | #ifndef POSIX_MADV_WILLNEED |
|
|
207 | # define POSIX_MADV_WILLNEED 0 |
|
|
208 | #endif |
|
|
209 | #ifndef POSIX_MADV_DONTNEED |
|
|
210 | # define POSIX_MADV_DONTNEED 0 |
|
|
211 | #endif |
|
|
212 | |
|
|
213 | #if !HAVE_POSIX_MADVISE |
|
|
214 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
215 | #endif |
|
|
216 | |
|
|
217 | #ifndef PROT_NONE |
|
|
218 | # define PROT_NONE 0 |
|
|
219 | #endif |
|
|
220 | #ifndef PROT_READ |
|
|
221 | # define PROT_READ 0 |
|
|
222 | #endif |
|
|
223 | #ifndef PROT_WRITE |
|
|
224 | # define PROT_READ 0 |
|
|
225 | #endif |
|
|
226 | #ifndef PROT_EXEC |
|
|
227 | # define PROT_EXEC 0 |
|
|
228 | #endif |
|
|
229 | |
|
|
230 | #ifndef ST_RDONLY |
|
|
231 | # define ST_RDONLY 0 |
|
|
232 | #endif |
|
|
233 | #ifndef ST_NOSUID |
|
|
234 | # define ST_NOSUID 0 |
|
|
235 | #endif |
|
|
236 | #ifndef ST_NODEV |
|
|
237 | # define ST_NODEV 0 |
|
|
238 | #endif |
|
|
239 | #ifndef ST_NOEXEC |
|
|
240 | # define ST_NOEXEC 0 |
|
|
241 | #endif |
|
|
242 | #ifndef ST_SYNCHRONOUS |
|
|
243 | # define ST_SYNCHRONOUS 0 |
|
|
244 | #endif |
|
|
245 | #ifndef ST_MANDLOCK |
|
|
246 | # define ST_MANDLOCK 0 |
|
|
247 | #endif |
|
|
248 | #ifndef ST_WRITE |
|
|
249 | # define ST_WRITE 0 |
|
|
250 | #endif |
|
|
251 | #ifndef ST_APPEND |
|
|
252 | # define ST_APPEND 0 |
|
|
253 | #endif |
|
|
254 | #ifndef ST_IMMUTABLE |
|
|
255 | # define ST_IMMUTABLE 0 |
|
|
256 | #endif |
|
|
257 | #ifndef ST_NOATIME |
|
|
258 | # define ST_NOATIME 0 |
|
|
259 | #endif |
|
|
260 | #ifndef ST_NODIRATIME |
|
|
261 | # define ST_NODIRATIME 0 |
|
|
262 | #endif |
|
|
263 | #ifndef ST_RELATIME |
|
|
264 | # define ST_RELATIME 0 |
|
|
265 | #endif |
|
|
266 | |
|
|
267 | #ifndef S_IFIFO |
|
|
268 | # define S_IFIFO 0 |
|
|
269 | #endif |
|
|
270 | #ifndef S_IFCHR |
|
|
271 | # define S_IFCHR 0 |
|
|
272 | #endif |
|
|
273 | #ifndef S_IFBLK |
|
|
274 | # define S_IFBLK 0 |
|
|
275 | #endif |
|
|
276 | #ifndef S_IFLNK |
|
|
277 | # define S_IFLNK 0 |
|
|
278 | #endif |
|
|
279 | #ifndef S_IFREG |
|
|
280 | # define S_IFREG 0 |
|
|
281 | #endif |
|
|
282 | #ifndef S_IFDIR |
|
|
283 | # define S_IFDIR 0 |
|
|
284 | #endif |
|
|
285 | #ifndef S_IFWHT |
|
|
286 | # define S_IFWHT 0 |
|
|
287 | #endif |
|
|
288 | #ifndef S_IFSOCK |
|
|
289 | # define S_IFSOCK 0 |
|
|
290 | #endif |
|
|
291 | |
|
|
292 | #ifndef MAP_ANONYMOUS |
|
|
293 | # ifdef MAP_ANON |
|
|
294 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
295 | # else |
44 | # error sendfile support requested but not available |
296 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
297 | # endif |
46 | #endif |
298 | #endif |
47 | |
299 | #ifndef MAP_HUGETLB |
48 | /* used for struct dirent, AIX doesn't provide it */ |
300 | # define MAP_HUGETLB 0 |
49 | #ifndef NAME_MAX |
|
|
50 | # define NAME_MAX 4096 |
|
|
51 | #endif |
|
|
52 | |
|
|
53 | #ifndef PTHREAD_STACK_MIN |
|
|
54 | /* care for broken platforms, e.g. windows */ |
|
|
55 | # define PTHREAD_STACK_MIN 16384 |
|
|
56 | #endif |
|
|
57 | |
|
|
58 | #if __ia64 |
|
|
59 | # define STACKSIZE 65536 |
|
|
60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
|
|
61 | # define STACKSIZE PTHREAD_STACK_MIN |
|
|
62 | #else |
|
|
63 | # define STACKSIZE 16384 |
|
|
64 | #endif |
|
|
65 | |
|
|
66 | /* wether word reads are potentially non-atomic. |
|
|
67 | * this is conservatice, likely most arches this runs |
|
|
68 | * on have atomic word read/writes. |
|
|
69 | */ |
|
|
70 | #ifndef WORDREAD_UNSAFE |
|
|
71 | # if __i386 || __x86_64 |
|
|
72 | # define WORDREAD_UNSAFE 0 |
|
|
73 | # else |
|
|
74 | # define WORDREAD_UNSAFE 1 |
|
|
75 | # endif |
301 | #endif |
|
|
302 | #ifndef MAP_LOCKED |
|
|
303 | # define MAP_LOCKED 0 |
76 | #endif |
304 | #endif |
|
|
305 | #ifndef MAP_NORESERVE |
|
|
306 | # define MAP_NORESERVE 0 |
|
|
307 | #endif |
|
|
308 | #ifndef MAP_POPULATE |
|
|
309 | # define MAP_POPULATE 0 |
|
|
310 | #endif |
|
|
311 | #ifndef MAP_NONBLOCK |
|
|
312 | # define MAP_NONBLOCK 0 |
|
|
313 | #endif |
77 | |
314 | |
78 | /* buffer size for various temporary buffers */ |
315 | #ifndef makedev |
79 | #define AIO_BUFSIZE 65536 |
316 | # define makedev(maj,min) (((maj) << 8) | (min)) |
|
|
317 | #endif |
|
|
318 | #ifndef major |
|
|
319 | # define major(dev) ((dev) >> 8) |
|
|
320 | #endif |
|
|
321 | #ifndef minor |
|
|
322 | # define minor(dev) ((dev) & 0xff) |
|
|
323 | #endif |
80 | |
324 | |
81 | #define dBUF \ |
325 | #ifndef PAGESIZE |
82 | char *aio_buf; \ |
326 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
83 | LOCK (wrklock); \ |
327 | #endif |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
|
|
85 | UNLOCK (wrklock); \ |
|
|
86 | if (!aio_buf) \ |
|
|
87 | return -1; |
|
|
88 | |
328 | |
89 | enum { |
329 | enum { |
90 | REQ_QUIT, |
330 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
91 | REQ_OPEN, REQ_CLOSE, |
|
|
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
|
|
93 | REQ_SENDFILE, |
|
|
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
|
|
95 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
|
|
97 | REQ_MKNOD, REQ_READDIR, |
|
|
98 | REQ_LINK, REQ_SYMLINK, |
|
|
99 | REQ_GROUP, REQ_NOP, |
|
|
100 | REQ_BUSY, |
|
|
101 | }; |
331 | }; |
102 | |
332 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
104 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
105 | |
|
|
106 | typedef struct aio_cb |
|
|
107 | { |
|
|
108 | struct aio_cb *volatile next; |
|
|
109 | |
|
|
110 | SV *data, *callback; |
|
|
111 | SV *fh, *fh2; |
|
|
112 | void *dataptr, *data2ptr; |
|
|
113 | Stat_t *statdata; |
|
|
114 | off_t offset; |
|
|
115 | size_t length; |
|
|
116 | ssize_t result; |
|
|
117 | |
|
|
118 | STRLEN dataoffset; |
|
|
119 | int type; |
|
|
120 | int fd, fd2; |
|
|
121 | int errorno; |
|
|
122 | mode_t mode; /* open */ |
|
|
123 | |
|
|
124 | unsigned char flags; |
|
|
125 | unsigned char pri; |
|
|
126 | |
|
|
127 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
|
|
129 | } aio_cb; |
|
|
130 | |
|
|
131 | enum { |
|
|
132 | FLAG_CANCELLED = 0x01, |
|
|
133 | }; |
|
|
134 | |
|
|
135 | typedef aio_cb *aio_req; |
333 | typedef eio_req *aio_req; |
136 | typedef aio_cb *aio_req_ornot; |
334 | typedef eio_req *aio_req_ornot; |
|
|
335 | typedef eio_wd aio_wd; |
137 | |
336 | |
138 | enum { |
337 | static SV *on_next_submit; |
139 | PRI_MIN = -4, |
338 | static int next_pri = EIO_PRI_DEFAULT; |
140 | PRI_MAX = 4, |
339 | static int max_outstanding; |
141 | |
340 | |
142 | DEFAULT_PRI = 0, |
341 | static s_epipe respipe; |
143 | PRI_BIAS = -PRI_MIN, |
|
|
144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
|
|
145 | }; |
|
|
146 | |
342 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
|
|
148 | |
|
|
149 | static unsigned int started, wanted; |
|
|
150 | |
|
|
151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
|
|
152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
153 | #else |
|
|
154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
155 | #endif |
|
|
156 | |
|
|
157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
|
|
158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
|
|
159 | |
|
|
160 | /* worker threads management */ |
|
|
161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
|
|
162 | |
|
|
163 | typedef struct worker { |
|
|
164 | /* locked by wrklock */ |
|
|
165 | struct worker *prev, *next; |
|
|
166 | |
|
|
167 | pthread_t tid; |
|
|
168 | |
|
|
169 | /* locked by reslock, reqlock or wrklock */ |
|
|
170 | aio_req req; /* currently processed request */ |
|
|
171 | void *dbuf; |
|
|
172 | DIR *dirp; |
|
|
173 | } worker; |
|
|
174 | |
|
|
175 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
|
|
176 | |
|
|
177 | static void worker_clear (worker *wrk) |
|
|
178 | { |
|
|
179 | if (wrk->dirp) |
|
|
180 | { |
|
|
181 | closedir (wrk->dirp); |
|
|
182 | wrk->dirp = 0; |
|
|
183 | } |
|
|
184 | |
|
|
185 | if (wrk->dbuf) |
|
|
186 | { |
|
|
187 | free (wrk->dbuf); |
|
|
188 | wrk->dbuf = 0; |
|
|
189 | } |
|
|
190 | } |
|
|
191 | |
|
|
192 | static void worker_free (worker *wrk) |
|
|
193 | { |
|
|
194 | wrk->next->prev = wrk->prev; |
|
|
195 | wrk->prev->next = wrk->next; |
|
|
196 | |
|
|
197 | free (wrk); |
|
|
198 | } |
|
|
199 | |
|
|
200 | static volatile unsigned int nreqs, nready, npending; |
|
|
201 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
202 | static int respipe [2]; |
|
|
203 | |
|
|
204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
|
|
205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
|
|
206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
207 | |
|
|
208 | #if WORDREAD_UNSAFE |
|
|
209 | |
|
|
210 | static unsigned int get_nready () |
|
|
211 | { |
|
|
212 | unsigned int retval; |
|
|
213 | |
|
|
214 | LOCK (reqlock); |
|
|
215 | retval = nready; |
|
|
216 | UNLOCK (reqlock); |
|
|
217 | |
|
|
218 | return retval; |
|
|
219 | } |
|
|
220 | |
|
|
221 | static unsigned int get_npending () |
|
|
222 | { |
|
|
223 | unsigned int retval; |
|
|
224 | |
|
|
225 | LOCK (reslock); |
|
|
226 | retval = npending; |
|
|
227 | UNLOCK (reslock); |
|
|
228 | |
|
|
229 | return retval; |
|
|
230 | } |
|
|
231 | |
|
|
232 | #else |
|
|
233 | |
|
|
234 | # define get_nready() nready |
|
|
235 | # define get_npending() npending |
|
|
236 | |
|
|
237 | #endif |
|
|
238 | |
|
|
239 | /* |
|
|
240 | * a somewhat faster data structure might be nice, but |
|
|
241 | * with 8 priorities this actually needs <20 insns |
|
|
242 | * per shift, the most expensive operation. |
|
|
243 | */ |
|
|
244 | typedef struct { |
|
|
245 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
246 | int size; |
|
|
247 | } reqq; |
|
|
248 | |
|
|
249 | static reqq req_queue; |
|
|
250 | static reqq res_queue; |
|
|
251 | |
|
|
252 | int reqq_push (reqq *q, aio_req req) |
|
|
253 | { |
|
|
254 | int pri = req->pri; |
|
|
255 | req->next = 0; |
|
|
256 | |
|
|
257 | if (q->qe[pri]) |
|
|
258 | { |
|
|
259 | q->qe[pri]->next = req; |
|
|
260 | q->qe[pri] = req; |
|
|
261 | } |
|
|
262 | else |
|
|
263 | q->qe[pri] = q->qs[pri] = req; |
|
|
264 | |
|
|
265 | return q->size++; |
|
|
266 | } |
|
|
267 | |
|
|
268 | aio_req reqq_shift (reqq *q) |
|
|
269 | { |
|
|
270 | int pri; |
|
|
271 | |
|
|
272 | if (!q->size) |
|
|
273 | return 0; |
|
|
274 | |
|
|
275 | --q->size; |
|
|
276 | |
|
|
277 | for (pri = NUM_PRI; pri--; ) |
|
|
278 | { |
|
|
279 | aio_req req = q->qs[pri]; |
|
|
280 | |
|
|
281 | if (req) |
|
|
282 | { |
|
|
283 | if (!(q->qs[pri] = req->next)) |
|
|
284 | q->qe[pri] = 0; |
|
|
285 | |
|
|
286 | return req; |
|
|
287 | } |
|
|
288 | } |
|
|
289 | |
|
|
290 | abort (); |
|
|
291 | } |
|
|
292 | |
|
|
293 | static int poll_cb (int max); |
|
|
294 | static void req_invoke (aio_req req); |
|
|
295 | static void req_free (aio_req req); |
343 | static void req_destroy (aio_req req); |
296 | static void req_cancel (aio_req req); |
344 | static void req_cancel (aio_req req); |
297 | |
345 | |
|
|
346 | static void want_poll (void) |
|
|
347 | { |
|
|
348 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
349 | s_epipe_signal (&respipe); |
|
|
350 | } |
|
|
351 | |
|
|
352 | static void done_poll (void) |
|
|
353 | { |
|
|
354 | /* read any signals sent by the worker threads */ |
|
|
355 | s_epipe_drain (&respipe); |
|
|
356 | } |
|
|
357 | |
298 | /* must be called at most once */ |
358 | /* must be called at most once */ |
299 | static SV *req_sv (aio_req req, const char *klass) |
359 | static SV *req_sv (aio_req req, HV *stash) |
300 | { |
360 | { |
301 | if (!req->self) |
361 | if (!req->self) |
302 | { |
362 | { |
303 | req->self = (SV *)newHV (); |
363 | req->self = (SV *)newHV (); |
304 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
364 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
305 | } |
365 | } |
306 | |
366 | |
307 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
367 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
|
|
368 | } |
|
|
369 | |
|
|
370 | static SV * |
|
|
371 | newSVaio_wd (aio_wd wd) |
|
|
372 | { |
|
|
373 | return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); |
308 | } |
374 | } |
309 | |
375 | |
310 | static aio_req SvAIO_REQ (SV *sv) |
376 | static aio_req SvAIO_REQ (SV *sv) |
311 | { |
377 | { |
312 | MAGIC *mg; |
378 | MAGIC *mg; |
313 | |
379 | |
314 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
380 | if (!SvROK (sv) |
|
|
381 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
382 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
383 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
315 | croak ("object of class " AIO_REQ_KLASS " expected"); |
384 | croak ("object of class IO::AIO::REQ expected"); |
316 | |
385 | |
317 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
386 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
318 | |
387 | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
388 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
389 | } |
321 | |
390 | |
|
|
391 | static aio_wd SvAIO_WD (SV *sv) |
|
|
392 | { |
|
|
393 | if (!SvROK (sv) |
|
|
394 | || SvSTASH (SvRV (sv)) != aio_wd_stash |
|
|
395 | || SvTYPE (SvRV (sv)) != SVt_PVMG) |
|
|
396 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
397 | |
|
|
398 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
399 | } |
|
|
400 | |
322 | static void aio_grp_feed (aio_req grp) |
401 | static void aio_grp_feed (aio_req grp) |
323 | { |
402 | { |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
403 | if (grp->sv2 && SvOK (grp->sv2)) |
325 | { |
404 | { |
326 | int old_len = grp->length; |
|
|
327 | |
|
|
328 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
329 | { |
|
|
330 | dSP; |
405 | dSP; |
331 | |
406 | |
332 | ENTER; |
407 | ENTER; |
333 | SAVETMPS; |
408 | SAVETMPS; |
334 | PUSHMARK (SP); |
409 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
410 | XPUSHs (req_sv (grp, aio_grp_stash)); |
336 | PUTBACK; |
411 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
412 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
413 | SPAGAIN; |
339 | FREETMPS; |
414 | FREETMPS; |
340 | LEAVE; |
415 | LEAVE; |
341 | } |
|
|
342 | |
|
|
343 | /* stop if no progress has been made */ |
|
|
344 | if (old_len == grp->length) |
|
|
345 | { |
|
|
346 | SvREFCNT_dec (grp->fh2); |
|
|
347 | grp->fh2 = 0; |
|
|
348 | break; |
|
|
349 | } |
|
|
350 | } |
416 | } |
351 | } |
417 | } |
352 | |
418 | |
353 | static void aio_grp_dec (aio_req grp) |
419 | static void req_submit (eio_req *req) |
354 | { |
420 | { |
355 | --grp->length; |
421 | eio_submit (req); |
356 | |
422 | |
357 | /* call feeder, if applicable */ |
423 | if (expect_false (on_next_submit)) |
358 | aio_grp_feed (grp); |
|
|
359 | |
|
|
360 | /* finish, if done */ |
|
|
361 | if (!grp->length && grp->fd) |
|
|
362 | { |
424 | { |
363 | req_invoke (grp); |
425 | dSP; |
364 | req_free (grp); |
426 | SV *cb = sv_2mortal (on_next_submit); |
|
|
427 | |
|
|
428 | on_next_submit = 0; |
|
|
429 | |
|
|
430 | PUSHMARK (SP); |
|
|
431 | PUTBACK; |
|
|
432 | call_sv (cb, G_DISCARD | G_EVAL); |
365 | } |
433 | } |
366 | } |
434 | } |
367 | |
435 | |
368 | static void req_invoke (aio_req req) |
436 | static int req_invoke (eio_req *req) |
369 | { |
437 | { |
370 | dSP; |
438 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
439 | SvREADONLY_off (req->sv2); |
371 | |
440 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
441 | if (!EIO_CANCELLED (req) && req->callback) |
373 | { |
442 | { |
|
|
443 | dSP; |
|
|
444 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
445 | SV *sv_result; |
|
|
446 | |
374 | ENTER; |
447 | ENTER; |
375 | SAVETMPS; |
448 | SAVETMPS; |
376 | PUSHMARK (SP); |
449 | PUSHMARK (SP); |
377 | EXTEND (SP, 1); |
450 | EXTEND (SP, 1); |
378 | |
451 | |
|
|
452 | /* do not recreate the result IV from scratch each time */ |
|
|
453 | if (expect_true (sv_result_cache)) |
|
|
454 | { |
|
|
455 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
456 | SvIV_set (sv_result, req->result); |
|
|
457 | SvIOK_only (sv_result); |
|
|
458 | } |
|
|
459 | else |
|
|
460 | { |
|
|
461 | sv_result = newSViv (req->result); |
|
|
462 | SvREADONLY_on (sv_result); |
|
|
463 | } |
|
|
464 | |
379 | switch (req->type) |
465 | switch (req->type) |
380 | { |
466 | { |
|
|
467 | case EIO_WD_OPEN: |
|
|
468 | PUSHs (sv_2mortal (newSVaio_wd (req->wd))); |
|
|
469 | break; |
|
|
470 | |
381 | case REQ_READDIR: |
471 | case EIO_READDIR: |
382 | { |
472 | { |
383 | SV *rv = &PL_sv_undef; |
473 | SV *rv = &PL_sv_undef; |
384 | |
474 | |
385 | if (req->result >= 0) |
475 | if (req->result >= 0) |
386 | { |
476 | { |
387 | int i; |
477 | int i; |
388 | char *buf = req->data2ptr; |
478 | char *names = (char *)req->ptr2; |
|
|
479 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
389 | AV *av = newAV (); |
480 | AV *av = newAV (); |
390 | |
481 | |
391 | av_extend (av, req->result - 1); |
482 | av_extend (av, req->result - 1); |
392 | |
483 | |
393 | for (i = 0; i < req->result; ++i) |
484 | for (i = 0; i < req->result; ++i) |
394 | { |
485 | { |
395 | SV *sv = newSVpv (buf, 0); |
486 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
487 | { |
|
|
488 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
396 | |
489 | |
|
|
490 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
491 | { |
|
|
492 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
493 | AV *avent = newAV (); |
|
|
494 | |
|
|
495 | av_extend (avent, 2); |
|
|
496 | |
|
|
497 | if (!sv_type [ent->type]) |
|
|
498 | { |
|
|
499 | sv_type [ent->type] = newSViv (ent->type); |
|
|
500 | SvREADONLY_on (sv_type [ent->type]); |
|
|
501 | } |
|
|
502 | |
|
|
503 | av_store (avent, 0, namesv); |
|
|
504 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
505 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
506 | |
|
|
507 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
508 | } |
|
|
509 | else |
397 | av_store (av, i, sv); |
510 | av_store (av, i, namesv); |
|
|
511 | |
|
|
512 | ++ent; |
|
|
513 | } |
|
|
514 | else |
|
|
515 | { |
|
|
516 | SV *name = newSVpv (names, 0); |
|
|
517 | av_store (av, i, name); |
398 | buf += SvCUR (sv) + 1; |
518 | names += SvCUR (name) + 1; |
|
|
519 | } |
399 | } |
520 | } |
400 | |
521 | |
401 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
522 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
402 | } |
523 | } |
403 | |
524 | |
404 | PUSHs (rv); |
525 | PUSHs (rv); |
|
|
526 | |
|
|
527 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
528 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
405 | } |
529 | } |
406 | break; |
530 | break; |
407 | |
531 | |
408 | case REQ_OPEN: |
532 | case EIO_OPEN: |
409 | { |
533 | { |
410 | /* convert fd to fh */ |
534 | /* convert fd to fh */ |
411 | SV *fh; |
535 | SV *fh = &PL_sv_undef; |
412 | |
536 | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
537 | if (req->result >= 0) |
414 | PUTBACK; |
538 | { |
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
539 | GV *gv = (GV *)sv_newmortal (); |
416 | SPAGAIN; |
540 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
541 | char sym [64]; |
|
|
542 | int symlen; |
|
|
543 | |
|
|
544 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
545 | gv_init (gv, aio_stash, sym, symlen, 0); |
417 | |
546 | |
418 | fh = SvREFCNT_inc (POPs); |
547 | symlen = snprintf ( |
|
|
548 | sym, |
|
|
549 | sizeof (sym), |
|
|
550 | "%s&=%d", |
|
|
551 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
552 | (int)req->result |
|
|
553 | ); |
419 | |
554 | |
|
|
555 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
556 | fh = (SV *)gv; |
|
|
557 | } |
|
|
558 | |
420 | PUSHMARK (SP); |
559 | PUSHs (fh); |
421 | XPUSHs (sv_2mortal (fh)); |
|
|
422 | } |
560 | } |
423 | break; |
561 | break; |
424 | |
562 | |
|
|
563 | case EIO_STATVFS: |
|
|
564 | case EIO_FSTATVFS: |
|
|
565 | { |
|
|
566 | SV *rv = &PL_sv_undef; |
|
|
567 | |
|
|
568 | #ifndef _WIN32 |
|
|
569 | if (req->result >= 0) |
|
|
570 | { |
|
|
571 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
572 | HV *hv = newHV (); |
|
|
573 | |
|
|
574 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
575 | |
|
|
576 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
577 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
578 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
579 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
580 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
581 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
582 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
583 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
584 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
585 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
586 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
587 | } |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | PUSHs (rv); |
|
|
591 | } |
|
|
592 | |
|
|
593 | break; |
|
|
594 | |
425 | case REQ_GROUP: |
595 | case EIO_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
596 | req->int1 = 2; /* mark group as finished */ |
427 | |
597 | |
428 | if (req->data) |
598 | if (req->sv1) |
429 | { |
599 | { |
430 | int i; |
600 | int i; |
431 | AV *av = (AV *)req->data; |
601 | AV *av = (AV *)req->sv1; |
432 | |
602 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
603 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
604 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
605 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
606 | } |
437 | break; |
607 | break; |
438 | |
608 | |
439 | case REQ_NOP: |
609 | case EIO_NOP: |
440 | case REQ_BUSY: |
610 | case EIO_BUSY: |
441 | break; |
611 | break; |
442 | |
612 | |
|
|
613 | case EIO_READLINK: |
|
|
614 | case EIO_REALPATH: |
|
|
615 | if (req->result > 0) |
|
|
616 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
617 | break; |
|
|
618 | |
|
|
619 | case EIO_STAT: |
|
|
620 | case EIO_LSTAT: |
|
|
621 | case EIO_FSTAT: |
|
|
622 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
623 | |
|
|
624 | if (!(PL_laststatval = req->result)) |
|
|
625 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
626 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
627 | |
|
|
628 | PUSHs (sv_result); |
|
|
629 | break; |
|
|
630 | |
|
|
631 | case EIO_READ: |
|
|
632 | { |
|
|
633 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
634 | *SvEND (req->sv2) = 0; |
|
|
635 | SvPOK_only (req->sv2); |
|
|
636 | SvSETMAGIC (req->sv2); |
|
|
637 | PUSHs (sv_result); |
|
|
638 | } |
|
|
639 | break; |
|
|
640 | |
|
|
641 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
642 | if (req->result > 0) |
|
|
643 | SvIV_set (sv_result, 0); |
|
|
644 | /* FALLTHROUGH */ |
|
|
645 | |
443 | default: |
646 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
647 | PUSHs (sv_result); |
445 | break; |
648 | break; |
446 | } |
649 | } |
447 | |
650 | |
448 | errno = req->errorno; |
651 | errno = req->errorno; |
449 | |
652 | |
450 | PUTBACK; |
653 | PUTBACK; |
451 | call_sv (req->callback, G_VOID | G_EVAL); |
654 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
452 | SPAGAIN; |
655 | SPAGAIN; |
|
|
656 | |
|
|
657 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
658 | SvREFCNT_dec (sv_result); |
|
|
659 | else |
|
|
660 | sv_result_cache = sv_result; |
453 | |
661 | |
454 | FREETMPS; |
662 | FREETMPS; |
455 | LEAVE; |
663 | LEAVE; |
|
|
664 | |
|
|
665 | PUTBACK; |
456 | } |
666 | } |
457 | |
667 | |
458 | if (req->grp) |
668 | return !!SvTRUE (ERRSV); |
459 | { |
|
|
460 | aio_req grp = req->grp; |
|
|
461 | |
|
|
462 | /* unlink request */ |
|
|
463 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
464 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
465 | |
|
|
466 | if (grp->grp_first == req) |
|
|
467 | grp->grp_first = req->grp_next; |
|
|
468 | |
|
|
469 | aio_grp_dec (grp); |
|
|
470 | } |
|
|
471 | |
|
|
472 | if (SvTRUE (ERRSV)) |
|
|
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
669 | } |
478 | |
670 | |
479 | static void req_free (aio_req req) |
671 | static void req_destroy (aio_req req) |
480 | { |
672 | { |
481 | if (req->self) |
673 | if (req->self) |
482 | { |
674 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
675 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
676 | SvREFCNT_dec (req->self); |
485 | } |
677 | } |
486 | |
678 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
679 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
680 | SvREFCNT_dec (req->sv2); |
|
|
681 | SvREFCNT_dec (req->sv3); |
|
|
682 | SvREFCNT_dec (req->sv4); |
490 | SvREFCNT_dec (req->callback); |
683 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
|
|
493 | if (req->type == REQ_READDIR) |
|
|
494 | free (req->data2ptr); |
|
|
495 | |
684 | |
496 | Safefree (req); |
685 | Safefree (req); |
497 | } |
686 | } |
498 | |
687 | |
499 | static void req_cancel_subs (aio_req grp) |
688 | static void req_cancel_subs (aio_req grp) |
500 | { |
689 | { |
501 | aio_req sub; |
|
|
502 | |
|
|
503 | if (grp->type != REQ_GROUP) |
690 | if (grp->type != EIO_GROUP) |
504 | return; |
691 | return; |
505 | |
692 | |
506 | SvREFCNT_dec (grp->fh2); |
693 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
694 | grp->sv2 = 0; |
508 | |
695 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
696 | eio_grp_cancel (grp); |
510 | req_cancel (sub); |
|
|
511 | } |
697 | } |
512 | |
698 | |
513 | static void req_cancel (aio_req req) |
699 | static void create_respipe (void) |
514 | { |
700 | { |
515 | req->flags |= FLAG_CANCELLED; |
701 | if (s_epipe_renew (&respipe)) |
516 | |
702 | croak ("IO::AIO: unable to initialize result pipe"); |
517 | req_cancel_subs (req); |
|
|
518 | } |
703 | } |
519 | |
704 | |
520 | static void *aio_proc(void *arg); |
|
|
521 | |
|
|
522 | static void start_thread (void) |
|
|
523 | { |
|
|
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
528 | |
|
|
529 | if (!wrk) |
|
|
530 | croak ("unable to allocate worker thread data"); |
|
|
531 | |
|
|
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
|
|
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
|
|
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
545 | { |
|
|
546 | wrk->prev = &wrk_first; |
|
|
547 | wrk->next = wrk_first.next; |
|
|
548 | wrk_first.next->prev = wrk; |
|
|
549 | wrk_first.next = wrk; |
|
|
550 | ++started; |
|
|
551 | } |
|
|
552 | else |
|
|
553 | free (wrk); |
|
|
554 | |
|
|
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
|
|
557 | } |
|
|
558 | |
|
|
559 | static void maybe_start_thread () |
|
|
560 | { |
|
|
561 | #if 0 |
|
|
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
|
|
568 | |
|
|
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
|
|
591 | } |
|
|
592 | |
|
|
593 | static void req_send (aio_req req) |
|
|
594 | { |
|
|
595 | ++nreqs; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | ++nready; |
|
|
599 | reqq_push (&req_queue, req); |
|
|
600 | pthread_cond_signal (&reqwait); |
|
|
601 | UNLOCK (reqlock); |
|
|
602 | |
|
|
603 | maybe_start_thread (); |
|
|
604 | } |
|
|
605 | |
|
|
606 | static void end_thread (void) |
|
|
607 | { |
|
|
608 | aio_req req; |
|
|
609 | |
|
|
610 | Newz (0, req, 1, aio_cb); |
|
|
611 | |
|
|
612 | req->type = REQ_QUIT; |
|
|
613 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
614 | |
|
|
615 | req_send (req); |
|
|
616 | |
|
|
617 | LOCK (wrklock); |
|
|
618 | --started; |
|
|
619 | UNLOCK (wrklock); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void min_parallel (int nthreads) |
|
|
623 | { |
|
|
624 | if (wanted < nthreads) |
|
|
625 | wanted = nthreads; |
|
|
626 | } |
|
|
627 | |
|
|
628 | static void max_parallel (int nthreads) |
|
|
629 | { |
|
|
630 | if (wanted > nthreads) |
|
|
631 | wanted = nthreads; |
|
|
632 | |
|
|
633 | while (started > wanted) |
|
|
634 | end_thread (); |
|
|
635 | } |
|
|
636 | |
|
|
637 | static void poll_wait () |
705 | static void poll_wait (void) |
638 | { |
706 | { |
639 | fd_set rfd; |
|
|
640 | |
|
|
641 | while (nreqs) |
707 | while (eio_nreqs ()) |
642 | { |
708 | { |
643 | int size; |
709 | int size; |
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
710 | |
|
|
711 | X_LOCK (reslock); |
645 | size = res_queue.size; |
712 | size = res_queue.size; |
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
713 | X_UNLOCK (reslock); |
647 | |
714 | |
648 | if (size) |
715 | if (size) |
649 | return; |
716 | return; |
650 | |
717 | |
651 | maybe_start_thread (); |
718 | etp_maybe_start_thread (); |
652 | |
719 | |
653 | FD_ZERO(&rfd); |
720 | s_epipe_wait (&respipe); |
654 | FD_SET(respipe [0], &rfd); |
|
|
655 | |
|
|
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
657 | } |
721 | } |
658 | } |
722 | } |
659 | |
723 | |
660 | static int poll_cb (int max) |
724 | static int poll_cb (void) |
661 | { |
725 | { |
662 | dSP; |
|
|
663 | int count = 0; |
|
|
664 | int do_croak = 0; |
|
|
665 | aio_req req; |
|
|
666 | |
|
|
667 | for (;;) |
726 | for (;;) |
668 | { |
727 | { |
669 | while (max <= 0 || count < max) |
728 | int res = eio_poll (); |
670 | { |
|
|
671 | maybe_start_thread (); |
|
|
672 | |
729 | |
673 | LOCK (reslock); |
730 | if (res > 0) |
674 | req = reqq_shift (&res_queue); |
|
|
675 | |
|
|
676 | if (req) |
|
|
677 | { |
|
|
678 | --npending; |
|
|
679 | |
|
|
680 | if (!res_queue.size) |
|
|
681 | { |
|
|
682 | /* read any signals sent by the worker threads */ |
|
|
683 | char buf [32]; |
|
|
684 | while (read (respipe [0], buf, 32) == 32) |
|
|
685 | ; |
|
|
686 | } |
|
|
687 | } |
|
|
688 | |
|
|
689 | UNLOCK (reslock); |
|
|
690 | |
|
|
691 | if (!req) |
|
|
692 | break; |
|
|
693 | |
|
|
694 | --nreqs; |
|
|
695 | |
|
|
696 | if (req->type == REQ_GROUP && req->length) |
|
|
697 | { |
|
|
698 | req->fd = 1; /* mark request as delayed */ |
|
|
699 | continue; |
|
|
700 | } |
|
|
701 | else |
|
|
702 | { |
|
|
703 | if (req->type == REQ_READ) |
|
|
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
|
|
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
712 | PL_laststatval = req->result; |
|
|
713 | PL_statcache = *(req->statdata); |
|
|
714 | } |
|
|
715 | |
|
|
716 | req_invoke (req); |
|
|
717 | |
|
|
718 | count++; |
|
|
719 | } |
|
|
720 | |
|
|
721 | req_free (req); |
|
|
722 | } |
|
|
723 | |
|
|
724 | if (nreqs <= max_outstanding) |
|
|
725 | break; |
731 | croak (0); |
|
|
732 | |
|
|
733 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
734 | return res; |
726 | |
735 | |
727 | poll_wait (); |
736 | poll_wait (); |
728 | |
|
|
729 | max = 0; |
|
|
730 | } |
737 | } |
731 | |
|
|
732 | return count; |
|
|
733 | } |
738 | } |
734 | |
739 | |
735 | static void create_pipe () |
740 | static void ecb_cold |
|
|
741 | reinit (void) |
736 | { |
742 | { |
737 | if (pipe (respipe)) |
743 | create_respipe (); |
738 | croak ("unable to initialize result pipe"); |
|
|
739 | |
744 | |
740 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
745 | if (eio_init (want_poll, done_poll) < 0) |
741 | croak ("cannot set result pipe to nonblocking mode"); |
746 | croak ("IO::AIO: unable to initialise eio library"); |
742 | |
|
|
743 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
744 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
745 | } |
747 | } |
746 | |
748 | |
747 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
748 | /* work around various missing functions */ |
|
|
749 | |
750 | |
750 | #if !HAVE_PREADWRITE |
751 | #if !_POSIX_MAPPED_FILES |
751 | # define pread aio_pread |
752 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
752 | # define pwrite aio_pwrite |
753 | # define munmap(addr,length) (errno = ENOSYS, -1) |
753 | |
|
|
754 | /* |
|
|
755 | * make our pread/pwrite safe against themselves, but not against |
|
|
756 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
757 | * but that's your problem, not mine. |
|
|
758 | */ |
|
|
759 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
760 | |
|
|
761 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
762 | { |
|
|
763 | ssize_t res; |
|
|
764 | off_t ooffset; |
|
|
765 | |
|
|
766 | LOCK (preadwritelock); |
|
|
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
768 | lseek (fd, offset, SEEK_SET); |
|
|
769 | res = read (fd, buf, count); |
|
|
770 | lseek (fd, ooffset, SEEK_SET); |
|
|
771 | UNLOCK (preadwritelock); |
|
|
772 | |
|
|
773 | return res; |
|
|
774 | } |
|
|
775 | |
|
|
776 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
777 | { |
|
|
778 | ssize_t res; |
|
|
779 | off_t ooffset; |
|
|
780 | |
|
|
781 | LOCK (preadwritelock); |
|
|
782 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
783 | lseek (fd, offset, SEEK_SET); |
|
|
784 | res = write (fd, buf, count); |
|
|
785 | lseek (fd, offset, SEEK_SET); |
|
|
786 | UNLOCK (preadwritelock); |
|
|
787 | |
|
|
788 | return res; |
|
|
789 | } |
|
|
790 | #endif |
|
|
791 | |
|
|
792 | #if !HAVE_FDATASYNC |
|
|
793 | # define fdatasync fsync |
|
|
794 | #endif |
|
|
795 | |
|
|
796 | #if !HAVE_READAHEAD |
|
|
797 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
798 | |
|
|
799 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
800 | { |
|
|
801 | dBUF; |
|
|
802 | |
|
|
803 | while (count > 0) |
|
|
804 | { |
|
|
805 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
806 | |
|
|
807 | pread (fd, aio_buf, len, offset); |
|
|
808 | offset += len; |
|
|
809 | count -= len; |
|
|
810 | } |
|
|
811 | |
|
|
812 | errno = 0; |
|
|
813 | } |
|
|
814 | |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | #if !HAVE_READDIR_R |
|
|
818 | # define readdir_r aio_readdir_r |
|
|
819 | |
|
|
820 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
821 | |
|
|
822 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
823 | { |
|
|
824 | struct dirent *e; |
|
|
825 | int errorno; |
|
|
826 | |
|
|
827 | LOCK (readdirlock); |
|
|
828 | |
|
|
829 | e = readdir (dirp); |
|
|
830 | errorno = errno; |
|
|
831 | |
|
|
832 | if (e) |
|
|
833 | { |
|
|
834 | *res = ent; |
|
|
835 | strcpy (ent->d_name, e->d_name); |
|
|
836 | } |
|
|
837 | else |
|
|
838 | *res = 0; |
|
|
839 | |
|
|
840 | UNLOCK (readdirlock); |
|
|
841 | |
|
|
842 | errno = errorno; |
|
|
843 | return e ? 0 : -1; |
|
|
844 | } |
|
|
845 | #endif |
|
|
846 | |
|
|
847 | /* sendfile always needs emulation */ |
|
|
848 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
849 | { |
|
|
850 | ssize_t res; |
|
|
851 | |
|
|
852 | if (!count) |
|
|
853 | return 0; |
|
|
854 | |
|
|
855 | #if HAVE_SENDFILE |
|
|
856 | # if __linux |
|
|
857 | res = sendfile (ofd, ifd, &offset, count); |
|
|
858 | |
|
|
859 | # elif __freebsd |
|
|
860 | /* |
|
|
861 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
862 | * wasted on making it similar to other I/O functions. |
|
|
863 | */ |
|
|
864 | { |
|
|
865 | off_t sbytes; |
|
|
866 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
867 | |
|
|
868 | if (res < 0 && sbytes) |
|
|
869 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
870 | res = sbytes; |
|
|
871 | } |
|
|
872 | |
|
|
873 | # elif __hpux |
|
|
874 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
875 | |
|
|
876 | # elif __solaris |
|
|
877 | { |
|
|
878 | struct sendfilevec vec; |
|
|
879 | size_t sbytes; |
|
|
880 | |
|
|
881 | vec.sfv_fd = ifd; |
|
|
882 | vec.sfv_flag = 0; |
|
|
883 | vec.sfv_off = offset; |
|
|
884 | vec.sfv_len = count; |
|
|
885 | |
|
|
886 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
887 | |
|
|
888 | if (res < 0 && sbytes) |
|
|
889 | res = sbytes; |
|
|
890 | } |
|
|
891 | |
|
|
892 | # endif |
754 | #endif |
893 | #else |
|
|
894 | res = -1; |
|
|
895 | errno = ENOSYS; |
|
|
896 | #endif |
|
|
897 | |
755 | |
898 | if (res < 0 |
756 | #if !_POSIX_MEMORY_PROTECTION |
899 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
757 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
900 | #if __solaris |
758 | # define PROT_NONE 0 |
901 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
759 | # define PROT_WRITE 0 |
|
|
760 | # define MAP_PRIVATE 0 |
|
|
761 | # define MAP_SHARED 0 |
|
|
762 | # define MAP_FIXED 0 |
902 | #endif |
763 | #endif |
903 | ) |
|
|
904 | ) |
|
|
905 | { |
|
|
906 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
907 | dBUF; |
|
|
908 | |
764 | |
909 | res = 0; |
765 | #define MMAP_MAGIC PERL_MAGIC_ext |
910 | |
766 | |
911 | while (count) |
767 | static int mmap_free (pTHX_ SV *sv, MAGIC *mg) |
912 | { |
768 | { |
913 | ssize_t cnt; |
769 | int old_errno = errno; |
914 | |
770 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
915 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
771 | errno = old_errno; |
916 | |
772 | |
917 | if (cnt <= 0) |
773 | mg->mg_obj = 0; /* just in case */ |
918 | { |
|
|
919 | if (cnt && !res) res = -1; |
|
|
920 | break; |
|
|
921 | } |
|
|
922 | |
774 | |
923 | cnt = write (ofd, aio_buf, cnt); |
775 | SvREADONLY_off (sv); |
924 | |
776 | |
925 | if (cnt <= 0) |
777 | if (SvPVX (sv) != mg->mg_ptr) |
926 | { |
778 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
927 | if (cnt && !res) res = -1; |
|
|
928 | break; |
|
|
929 | } |
|
|
930 | |
779 | |
931 | offset += cnt; |
780 | SvCUR_set (sv, 0); |
932 | res += cnt; |
781 | SvPVX (sv) = 0; |
933 | count -= cnt; |
782 | SvOK_off (sv); |
934 | } |
|
|
935 | } |
|
|
936 | |
783 | |
937 | return res; |
784 | return 0; |
938 | } |
785 | } |
939 | |
786 | |
940 | /* read a full directory */ |
787 | static MGVTBL mmap_vtbl = { |
941 | static void scandir_ (aio_req req, worker *self) |
788 | 0, 0, 0, 0, mmap_free |
942 | { |
789 | }; |
943 | DIR *dirp; |
|
|
944 | union |
|
|
945 | { |
|
|
946 | struct dirent d; |
|
|
947 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
948 | } *u; |
|
|
949 | struct dirent *entp; |
|
|
950 | char *name, *names; |
|
|
951 | int memlen = 4096; |
|
|
952 | int memofs = 0; |
|
|
953 | int res = 0; |
|
|
954 | int errorno; |
|
|
955 | |
|
|
956 | LOCK (wrklock); |
|
|
957 | self->dirp = dirp = opendir (req->dataptr); |
|
|
958 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
959 | req->data2ptr = names = malloc (memlen); |
|
|
960 | UNLOCK (wrklock); |
|
|
961 | |
|
|
962 | if (dirp && u && names) |
|
|
963 | for (;;) |
|
|
964 | { |
|
|
965 | errno = 0; |
|
|
966 | readdir_r (dirp, &u->d, &entp); |
|
|
967 | |
|
|
968 | if (!entp) |
|
|
969 | break; |
|
|
970 | |
|
|
971 | name = entp->d_name; |
|
|
972 | |
|
|
973 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
974 | { |
|
|
975 | int len = strlen (name) + 1; |
|
|
976 | |
|
|
977 | res++; |
|
|
978 | |
|
|
979 | while (memofs + len > memlen) |
|
|
980 | { |
|
|
981 | memlen *= 2; |
|
|
982 | LOCK (wrklock); |
|
|
983 | req->data2ptr = names = realloc (names, memlen); |
|
|
984 | UNLOCK (wrklock); |
|
|
985 | |
|
|
986 | if (!names) |
|
|
987 | break; |
|
|
988 | } |
|
|
989 | |
|
|
990 | memcpy (names + memofs, name, len); |
|
|
991 | memofs += len; |
|
|
992 | } |
|
|
993 | } |
|
|
994 | |
|
|
995 | if (errno) |
|
|
996 | res = -1; |
|
|
997 | |
|
|
998 | req->result = res; |
|
|
999 | } |
|
|
1000 | |
790 | |
1001 | /*****************************************************************************/ |
791 | /*****************************************************************************/ |
1002 | |
792 | |
1003 | static void *aio_proc (void *thr_arg) |
793 | static SV * get_cb (SV *cb_sv) |
1004 | { |
794 | { |
1005 | aio_req req; |
795 | SvGETMAGIC (cb_sv); |
1006 | worker *self = (worker *)thr_arg; |
796 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
1007 | |
|
|
1008 | for (;;) |
|
|
1009 | { |
|
|
1010 | LOCK (reqlock); |
|
|
1011 | |
|
|
1012 | for (;;) |
|
|
1013 | { |
|
|
1014 | self->req = req = reqq_shift (&req_queue); |
|
|
1015 | |
|
|
1016 | if (req) |
|
|
1017 | break; |
|
|
1018 | |
|
|
1019 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | --nready; |
|
|
1023 | |
|
|
1024 | UNLOCK (reqlock); |
|
|
1025 | |
|
|
1026 | errno = 0; /* strictly unnecessary */ |
|
|
1027 | |
|
|
1028 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1029 | switch (req->type) |
|
|
1030 | { |
|
|
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1033 | |
|
|
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1036 | |
|
|
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1040 | |
|
|
1041 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1042 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1048 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
|
|
1049 | |
|
|
1050 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1051 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1052 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1053 | |
|
|
1054 | case REQ_BUSY: |
|
|
1055 | { |
|
|
1056 | struct timeval tv; |
|
|
1057 | |
|
|
1058 | tv.tv_sec = req->fd; |
|
|
1059 | tv.tv_usec = req->fd2; |
|
|
1060 | |
|
|
1061 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1062 | } |
|
|
1063 | |
|
|
1064 | case REQ_GROUP: |
|
|
1065 | case REQ_NOP: |
|
|
1066 | break; |
|
|
1067 | |
|
|
1068 | case REQ_QUIT: |
|
|
1069 | LOCK (wrklock); |
|
|
1070 | worker_free (self); |
|
|
1071 | --started; |
|
|
1072 | UNLOCK (wrklock); |
|
|
1073 | return 0; |
|
|
1074 | |
|
|
1075 | default: |
|
|
1076 | req->result = ENOSYS; |
|
|
1077 | break; |
|
|
1078 | } |
|
|
1079 | |
|
|
1080 | req->errorno = errno; |
|
|
1081 | |
|
|
1082 | LOCK (reslock); |
|
|
1083 | |
|
|
1084 | ++npending; |
|
|
1085 | |
|
|
1086 | if (!reqq_push (&res_queue, req)) |
|
|
1087 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1088 | write (respipe [1], &respipe, 1); |
|
|
1089 | |
|
|
1090 | self->req = 0; |
|
|
1091 | worker_clear (self); |
|
|
1092 | |
|
|
1093 | UNLOCK (reslock); |
|
|
1094 | } |
|
|
1095 | } |
|
|
1096 | |
|
|
1097 | /*****************************************************************************/ |
|
|
1098 | |
|
|
1099 | static void atfork_prepare (void) |
|
|
1100 | { |
|
|
1101 | LOCK (wrklock); |
|
|
1102 | LOCK (reqlock); |
|
|
1103 | LOCK (reslock); |
|
|
1104 | #if !HAVE_PREADWRITE |
|
|
1105 | LOCK (preadwritelock); |
|
|
1106 | #endif |
|
|
1107 | #if !HAVE_READDIR_R |
|
|
1108 | LOCK (readdirlock); |
|
|
1109 | #endif |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | static void atfork_parent (void) |
|
|
1113 | { |
|
|
1114 | #if !HAVE_READDIR_R |
|
|
1115 | UNLOCK (readdirlock); |
|
|
1116 | #endif |
|
|
1117 | #if !HAVE_PREADWRITE |
|
|
1118 | UNLOCK (preadwritelock); |
|
|
1119 | #endif |
|
|
1120 | UNLOCK (reslock); |
|
|
1121 | UNLOCK (reqlock); |
|
|
1122 | UNLOCK (wrklock); |
|
|
1123 | } |
|
|
1124 | |
|
|
1125 | static void atfork_child (void) |
|
|
1126 | { |
|
|
1127 | aio_req prv; |
|
|
1128 | |
|
|
1129 | while (prv = reqq_shift (&req_queue)) |
|
|
1130 | req_free (prv); |
|
|
1131 | |
|
|
1132 | while (prv = reqq_shift (&res_queue)) |
|
|
1133 | req_free (prv); |
|
|
1134 | |
|
|
1135 | while (wrk_first.next != &wrk_first) |
|
|
1136 | { |
|
|
1137 | worker *wrk = wrk_first.next; |
|
|
1138 | |
|
|
1139 | if (wrk->req) |
|
|
1140 | req_free (wrk->req); |
|
|
1141 | |
|
|
1142 | worker_clear (wrk); |
|
|
1143 | worker_free (wrk); |
|
|
1144 | } |
|
|
1145 | |
|
|
1146 | started = 0; |
|
|
1147 | nreqs = 0; |
|
|
1148 | |
|
|
1149 | close (respipe [0]); |
|
|
1150 | close (respipe [1]); |
|
|
1151 | create_pipe (); |
|
|
1152 | |
|
|
1153 | atfork_parent (); |
|
|
1154 | } |
797 | } |
1155 | |
798 | |
1156 | #define dREQ \ |
799 | #define dREQ \ |
|
|
800 | SV *cb_cv; \ |
1157 | aio_req req; \ |
801 | aio_req req; \ |
1158 | int req_pri = next_pri; \ |
802 | int req_pri = next_pri; \ |
1159 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
803 | next_pri = EIO_PRI_DEFAULT; \ |
1160 | \ |
804 | \ |
1161 | if (SvOK (callback) && !SvROK (callback)) \ |
805 | cb_cv = get_cb (callback); \ |
1162 | croak ("callback must be undef or of reference type"); \ |
|
|
1163 | \ |
806 | \ |
1164 | Newz (0, req, 1, aio_cb); \ |
807 | Newz (0, req, 1, eio_req); \ |
1165 | if (!req) \ |
808 | if (!req) \ |
1166 | croak ("out of memory during aio_req allocation"); \ |
809 | croak ("out of memory during eio_req allocation"); \ |
1167 | \ |
810 | \ |
1168 | req->callback = newSVsv (callback); \ |
811 | req->callback = SvREFCNT_inc (cb_cv); \ |
1169 | req->pri = req_pri |
812 | req->pri = req_pri |
1170 | |
813 | |
1171 | #define REQ_SEND \ |
814 | #define REQ_SEND \ |
|
|
815 | PUTBACK; \ |
1172 | req_send (req); \ |
816 | req_submit (req); \ |
|
|
817 | SPAGAIN; \ |
1173 | \ |
818 | \ |
1174 | if (GIMME_V != G_VOID) \ |
819 | if (GIMME_V != G_VOID) \ |
1175 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
820 | XPUSHs (req_sv (req, aio_req_stash)); |
1176 | |
821 | |
|
|
822 | static void |
|
|
823 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
824 | { |
|
|
825 | if (expect_false (SvROK (path))) |
|
|
826 | { |
|
|
827 | AV *av = (AV *)SvRV (path); |
|
|
828 | SV *wdob; |
|
|
829 | |
|
|
830 | if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) |
|
|
831 | croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); |
|
|
832 | |
|
|
833 | path = AvARRAY (av)[1]; |
|
|
834 | wdob = AvARRAY (av)[0]; |
|
|
835 | |
|
|
836 | if (SvOK (wdob)) |
|
|
837 | { |
|
|
838 | *wd = SvAIO_WD (wdob); |
|
|
839 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
840 | } |
|
|
841 | else |
|
|
842 | *wd = EIO_INVALID_WD; |
|
|
843 | } |
|
|
844 | |
|
|
845 | *pathsv = newSVsv (path); |
|
|
846 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
847 | } |
|
|
848 | |
|
|
849 | static void |
|
|
850 | req_set_path1 (aio_req req, SV *path) |
|
|
851 | { |
|
|
852 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
853 | } |
|
|
854 | |
|
|
855 | static void |
|
|
856 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
857 | { |
|
|
858 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
859 | |
|
|
860 | switch (SvTYPE (rv)) |
|
|
861 | { |
|
|
862 | case SVt_PVIO: |
|
|
863 | case SVt_PVLV: |
|
|
864 | case SVt_PVGV: |
|
|
865 | req->type = type_fh; |
|
|
866 | req->sv1 = newSVsv (fh_or_path); |
|
|
867 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
868 | break; |
|
|
869 | |
|
|
870 | default: |
|
|
871 | req->type = type_path; |
|
|
872 | req_set_path1 (req, fh_or_path); |
|
|
873 | break; |
|
|
874 | } |
|
|
875 | |
|
|
876 | } |
|
|
877 | |
1177 | MODULE = IO::AIO PACKAGE = IO::AIO |
878 | MODULE = IO::AIO PACKAGE = IO::AIO |
1178 | |
879 | |
1179 | PROTOTYPES: ENABLE |
880 | PROTOTYPES: ENABLE |
1180 | |
881 | |
1181 | BOOT: |
882 | BOOT: |
1182 | { |
883 | { |
|
|
884 | static const struct { |
|
|
885 | const char *name; |
|
|
886 | IV iv; |
|
|
887 | } *civ, const_iv[] = { |
|
|
888 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
889 | # define const_iv(name) { # name, (IV) name }, |
|
|
890 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
891 | const_iv (EXDEV) |
|
|
892 | const_iv (ENOSYS) |
|
|
893 | const_iv (O_RDONLY) |
|
|
894 | const_iv (O_WRONLY) |
|
|
895 | const_iv (O_RDWR) |
|
|
896 | const_iv (O_CREAT) |
|
|
897 | const_iv (O_TRUNC) |
|
|
898 | const_iv (O_EXCL) |
|
|
899 | const_iv (O_APPEND) |
|
|
900 | |
|
|
901 | const_iv (O_ASYNC) |
|
|
902 | const_iv (O_DIRECT) |
|
|
903 | const_iv (O_NOATIME) |
|
|
904 | |
|
|
905 | const_iv (O_CLOEXEC) |
|
|
906 | const_iv (O_NOCTTY) |
|
|
907 | const_iv (O_NOFOLLOW) |
|
|
908 | const_iv (O_NONBLOCK) |
|
|
909 | const_iv (O_EXEC) |
|
|
910 | const_iv (O_SEARCH) |
|
|
911 | const_iv (O_DIRECTORY) |
|
|
912 | const_iv (O_DSYNC) |
|
|
913 | const_iv (O_RSYNC) |
|
|
914 | const_iv (O_SYNC) |
|
|
915 | const_iv (O_TTY_INIT) |
|
|
916 | |
|
|
917 | const_iv (S_IFIFO) |
|
|
918 | const_iv (S_IFCHR) |
|
|
919 | const_iv (S_IFBLK) |
|
|
920 | const_iv (S_IFLNK) |
|
|
921 | const_iv (S_IFREG) |
|
|
922 | const_iv (S_IFDIR) |
|
|
923 | const_iv (S_IFWHT) |
|
|
924 | const_iv (S_IFSOCK) |
|
|
925 | const_iv (S_IFMT) |
|
|
926 | |
|
|
927 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
928 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
929 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
930 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
931 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
932 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
933 | |
|
|
934 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
935 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
936 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
937 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
938 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
939 | |
|
|
940 | const_iv (ST_RDONLY) |
|
|
941 | const_iv (ST_NOSUID) |
|
|
942 | const_iv (ST_NODEV) |
|
|
943 | const_iv (ST_NOEXEC) |
|
|
944 | const_iv (ST_SYNCHRONOUS) |
|
|
945 | const_iv (ST_MANDLOCK) |
|
|
946 | const_iv (ST_WRITE) |
|
|
947 | const_iv (ST_APPEND) |
|
|
948 | const_iv (ST_IMMUTABLE) |
|
|
949 | const_iv (ST_NOATIME) |
|
|
950 | const_iv (ST_NODIRATIME) |
|
|
951 | const_iv (ST_RELATIME) |
|
|
952 | |
|
|
953 | const_iv (PROT_NONE) |
|
|
954 | const_iv (PROT_EXEC) |
|
|
955 | const_iv (PROT_READ) |
|
|
956 | const_iv (PROT_WRITE) |
|
|
957 | |
|
|
958 | /*const_iv (MAP_FIXED)*/ |
|
|
959 | const_iv (MAP_PRIVATE) |
|
|
960 | const_iv (MAP_SHARED) |
|
|
961 | const_iv (MAP_ANONYMOUS) |
|
|
962 | |
|
|
963 | /* linuxish */ |
|
|
964 | const_iv (MAP_HUGETLB) |
|
|
965 | const_iv (MAP_LOCKED) |
|
|
966 | const_iv (MAP_NORESERVE) |
|
|
967 | const_iv (MAP_POPULATE) |
|
|
968 | const_iv (MAP_NONBLOCK) |
|
|
969 | |
|
|
970 | const_eio (MCL_FUTURE) |
|
|
971 | const_eio (MCL_CURRENT) |
|
|
972 | |
|
|
973 | const_eio (MS_ASYNC) |
|
|
974 | const_eio (MS_INVALIDATE) |
|
|
975 | const_eio (MS_SYNC) |
|
|
976 | |
|
|
977 | const_eio (MT_MODIFY) |
|
|
978 | |
|
|
979 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
980 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
981 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
982 | |
|
|
983 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
984 | |
|
|
985 | const_eio (READDIR_DENTS) |
|
|
986 | const_eio (READDIR_DIRS_FIRST) |
|
|
987 | const_eio (READDIR_STAT_ORDER) |
|
|
988 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
989 | |
|
|
990 | const_eio (DT_UNKNOWN) |
|
|
991 | const_eio (DT_FIFO) |
|
|
992 | const_eio (DT_CHR) |
|
|
993 | const_eio (DT_DIR) |
|
|
994 | const_eio (DT_BLK) |
|
|
995 | const_eio (DT_REG) |
|
|
996 | const_eio (DT_LNK) |
|
|
997 | const_eio (DT_SOCK) |
|
|
998 | const_eio (DT_WHT) |
|
|
999 | }; |
|
|
1000 | |
1183 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1001 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
1184 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1002 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1185 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1003 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1186 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1004 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1187 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1188 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1189 | |
1005 | |
1190 | create_pipe (); |
1006 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1191 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1007 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1192 | |
1008 | |
1193 | start_thread (); |
1009 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1194 | } |
|
|
1195 | |
1010 | |
|
|
1011 | reinit (); |
|
|
1012 | } |
|
|
1013 | |
1196 | void |
1014 | void |
1197 | min_parallel (int nthreads) |
1015 | reinit () |
1198 | PROTOTYPE: $ |
1016 | PROTOTYPE: |
1199 | |
1017 | |
1200 | void |
1018 | void |
1201 | max_parallel (int nthreads) |
1019 | max_poll_reqs (unsigned int nreqs) |
1202 | PROTOTYPE: $ |
|
|
1203 | |
|
|
1204 | int |
|
|
1205 | max_outstanding (int maxreqs) |
|
|
1206 | PROTOTYPE: $ |
1020 | PROTOTYPE: $ |
1207 | CODE: |
1021 | CODE: |
1208 | RETVAL = max_outstanding; |
1022 | eio_set_max_poll_reqs (nreqs); |
|
|
1023 | |
|
|
1024 | void |
|
|
1025 | max_poll_time (double nseconds) |
|
|
1026 | PROTOTYPE: $ |
|
|
1027 | CODE: |
|
|
1028 | eio_set_max_poll_time (nseconds); |
|
|
1029 | |
|
|
1030 | void |
|
|
1031 | min_parallel (unsigned int nthreads) |
|
|
1032 | PROTOTYPE: $ |
|
|
1033 | CODE: |
|
|
1034 | eio_set_min_parallel (nthreads); |
|
|
1035 | |
|
|
1036 | void |
|
|
1037 | max_parallel (unsigned int nthreads) |
|
|
1038 | PROTOTYPE: $ |
|
|
1039 | CODE: |
|
|
1040 | eio_set_max_parallel (nthreads); |
|
|
1041 | |
|
|
1042 | void |
|
|
1043 | max_idle (unsigned int nthreads) |
|
|
1044 | PROTOTYPE: $ |
|
|
1045 | CODE: |
|
|
1046 | eio_set_max_idle (nthreads); |
|
|
1047 | |
|
|
1048 | void |
|
|
1049 | idle_timeout (unsigned int seconds) |
|
|
1050 | PROTOTYPE: $ |
|
|
1051 | CODE: |
|
|
1052 | eio_set_idle_timeout (seconds); |
|
|
1053 | |
|
|
1054 | void |
|
|
1055 | max_outstanding (unsigned int maxreqs) |
|
|
1056 | PROTOTYPE: $ |
|
|
1057 | CODE: |
1209 | max_outstanding = maxreqs; |
1058 | max_outstanding = maxreqs; |
1210 | OUTPUT: |
|
|
1211 | RETVAL |
|
|
1212 | |
1059 | |
1213 | void |
1060 | void |
1214 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1061 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
1215 | SV * pathname |
|
|
1216 | int flags |
|
|
1217 | int mode |
|
|
1218 | SV * callback |
|
|
1219 | PROTOTYPE: $$$;$ |
|
|
1220 | PPCODE: |
1062 | PPCODE: |
1221 | { |
1063 | { |
1222 | dREQ; |
1064 | dREQ; |
1223 | |
1065 | |
1224 | req->type = REQ_OPEN; |
1066 | req->type = EIO_WD_OPEN; |
1225 | req->data = newSVsv (pathname); |
1067 | req_set_path1 (req, pathname); |
1226 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1227 | req->fd = flags; |
|
|
1228 | req->mode = mode; |
|
|
1229 | |
1068 | |
1230 | REQ_SEND; |
1069 | REQ_SEND; |
1231 | } |
1070 | } |
1232 | |
1071 | |
1233 | void |
1072 | void |
|
|
1073 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1074 | PPCODE: |
|
|
1075 | { |
|
|
1076 | dREQ; |
|
|
1077 | |
|
|
1078 | req->type = EIO_OPEN; |
|
|
1079 | req_set_path1 (req, pathname); |
|
|
1080 | req->int1 = flags; |
|
|
1081 | req->int2 = mode; |
|
|
1082 | |
|
|
1083 | REQ_SEND; |
|
|
1084 | } |
|
|
1085 | |
|
|
1086 | void |
1234 | aio_close (fh,callback=&PL_sv_undef) |
1087 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1235 | SV * fh |
|
|
1236 | SV * callback |
|
|
1237 | PROTOTYPE: $;$ |
|
|
1238 | ALIAS: |
1088 | ALIAS: |
1239 | aio_close = REQ_CLOSE |
|
|
1240 | aio_fsync = REQ_FSYNC |
1089 | aio_fsync = EIO_FSYNC |
1241 | aio_fdatasync = REQ_FDATASYNC |
1090 | aio_fdatasync = EIO_FDATASYNC |
|
|
1091 | aio_syncfs = EIO_SYNCFS |
1242 | PPCODE: |
1092 | PPCODE: |
1243 | { |
1093 | { |
|
|
1094 | int fd = s_fileno_croak (fh, 0); |
1244 | dREQ; |
1095 | dREQ; |
1245 | |
1096 | |
1246 | req->type = ix; |
1097 | req->type = ix; |
1247 | req->fh = newSVsv (fh); |
1098 | req->sv1 = newSVsv (fh); |
1248 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1099 | req->int1 = fd; |
1249 | |
1100 | |
1250 | REQ_SEND (req); |
1101 | REQ_SEND (req); |
1251 | } |
1102 | } |
1252 | |
1103 | |
1253 | void |
1104 | void |
|
|
1105 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1106 | PPCODE: |
|
|
1107 | { |
|
|
1108 | int fd = s_fileno_croak (fh, 0); |
|
|
1109 | dREQ; |
|
|
1110 | |
|
|
1111 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1112 | req->sv1 = newSVsv (fh); |
|
|
1113 | req->int1 = fd; |
|
|
1114 | req->offs = offset; |
|
|
1115 | req->size = nbytes; |
|
|
1116 | req->int2 = flags; |
|
|
1117 | |
|
|
1118 | REQ_SEND (req); |
|
|
1119 | } |
|
|
1120 | |
|
|
1121 | void |
|
|
1122 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1123 | PPCODE: |
|
|
1124 | { |
|
|
1125 | int fd = s_fileno_croak (fh, 0); |
|
|
1126 | dREQ; |
|
|
1127 | |
|
|
1128 | req->type = EIO_FALLOCATE; |
|
|
1129 | req->sv1 = newSVsv (fh); |
|
|
1130 | req->int1 = fd; |
|
|
1131 | req->int2 = mode; |
|
|
1132 | req->offs = offset; |
|
|
1133 | req->size = len; |
|
|
1134 | |
|
|
1135 | REQ_SEND (req); |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | void |
|
|
1139 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1140 | PPCODE: |
|
|
1141 | { |
|
|
1142 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1143 | int fd = s_fileno_croak (fh, 0); |
|
|
1144 | dREQ; |
|
|
1145 | |
|
|
1146 | if (expect_false (close_fd < 0)) |
|
|
1147 | { |
|
|
1148 | int pipefd [2]; |
|
|
1149 | |
|
|
1150 | if ( |
|
|
1151 | #ifdef _WIN32 |
|
|
1152 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1153 | #else |
|
|
1154 | pipe (pipefd) < 0 |
|
|
1155 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1156 | #endif |
|
|
1157 | || close (pipefd [1]) < 0 |
|
|
1158 | ) |
|
|
1159 | abort (); /*D*/ |
|
|
1160 | |
|
|
1161 | close_fd = pipefd [0]; |
|
|
1162 | } |
|
|
1163 | |
|
|
1164 | req->type = EIO_DUP2; |
|
|
1165 | req->int1 = close_fd; |
|
|
1166 | req->sv2 = newSVsv (fh); |
|
|
1167 | req->int2 = fd; |
|
|
1168 | |
|
|
1169 | REQ_SEND (req); |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | void |
1254 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1173 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1255 | SV * fh |
|
|
1256 | UV offset |
|
|
1257 | UV length |
|
|
1258 | SV * data |
|
|
1259 | UV dataoffset |
|
|
1260 | SV * callback |
|
|
1261 | ALIAS: |
1174 | ALIAS: |
1262 | aio_read = REQ_READ |
1175 | aio_read = EIO_READ |
1263 | aio_write = REQ_WRITE |
1176 | aio_write = EIO_WRITE |
1264 | PROTOTYPE: $$$$$;$ |
|
|
1265 | PPCODE: |
1177 | PPCODE: |
1266 | { |
1178 | { |
1267 | aio_req req; |
|
|
1268 | STRLEN svlen; |
1179 | STRLEN svlen; |
|
|
1180 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1269 | char *svptr = SvPVbyte (data, svlen); |
1181 | char *svptr = SvPVbyte (data, svlen); |
1270 | |
1182 | UV len = SvUV (length); |
1271 | SvUPGRADE (data, SVt_PV); |
|
|
1272 | SvPOK_on (data); |
|
|
1273 | |
1183 | |
1274 | if (dataoffset < 0) |
1184 | if (dataoffset < 0) |
1275 | dataoffset += svlen; |
1185 | dataoffset += svlen; |
1276 | |
1186 | |
1277 | if (dataoffset < 0 || dataoffset > svlen) |
1187 | if (dataoffset < 0 || dataoffset > svlen) |
1278 | croak ("data offset outside of string"); |
1188 | croak ("dataoffset outside of data scalar"); |
1279 | |
1189 | |
1280 | if (ix == REQ_WRITE) |
1190 | if (ix == EIO_WRITE) |
1281 | { |
1191 | { |
1282 | /* write: check length and adjust. */ |
1192 | /* write: check length and adjust. */ |
1283 | if (length < 0 || length + dataoffset > svlen) |
1193 | if (!SvOK (length) || len + dataoffset > svlen) |
1284 | length = svlen - dataoffset; |
1194 | len = svlen - dataoffset; |
1285 | } |
1195 | } |
1286 | else |
1196 | else |
1287 | { |
1197 | { |
1288 | /* read: grow scalar as necessary */ |
1198 | /* read: check type and grow scalar as necessary */ |
|
|
1199 | SvUPGRADE (data, SVt_PV); |
1289 | svptr = SvGROW (data, length + dataoffset); |
1200 | svptr = SvGROW (data, len + dataoffset + 1); |
1290 | } |
1201 | } |
1291 | |
|
|
1292 | if (length < 0) |
|
|
1293 | croak ("length must not be negative"); |
|
|
1294 | |
1202 | |
1295 | { |
1203 | { |
1296 | dREQ; |
1204 | dREQ; |
1297 | |
1205 | |
1298 | req->type = ix; |
1206 | req->type = ix; |
1299 | req->fh = newSVsv (fh); |
1207 | req->sv1 = newSVsv (fh); |
1300 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1208 | req->int1 = fd; |
1301 | : IoOFP (sv_2io (fh))); |
1209 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1302 | req->offset = offset; |
1210 | req->size = len; |
1303 | req->length = length; |
|
|
1304 | req->data = SvREFCNT_inc (data); |
1211 | req->sv2 = SvREFCNT_inc (data); |
1305 | req->dataptr = (char *)svptr + dataoffset; |
1212 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1213 | req->stroffset = dataoffset; |
1306 | |
1214 | |
1307 | if (!SvREADONLY (data)) |
1215 | if (!SvREADONLY (data)) |
1308 | { |
1216 | { |
1309 | SvREADONLY_on (data); |
1217 | SvREADONLY_on (data); |
1310 | req->data2ptr = (void *)data; |
1218 | req->flags |= FLAG_SV2_RO_OFF; |
1311 | } |
1219 | } |
1312 | |
1220 | |
1313 | REQ_SEND; |
1221 | REQ_SEND; |
1314 | } |
1222 | } |
1315 | } |
1223 | } |
1316 | |
1224 | |
1317 | void |
1225 | void |
1318 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1226 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1319 | SV * out_fh |
1227 | ALIAS: |
1320 | SV * in_fh |
1228 | aio_readlink = EIO_READLINK |
1321 | UV in_offset |
1229 | aio_realpath = EIO_REALPATH |
1322 | UV length |
|
|
1323 | SV * callback |
|
|
1324 | PROTOTYPE: $$$$;$ |
|
|
1325 | PPCODE: |
1230 | PPCODE: |
1326 | { |
1231 | { |
|
|
1232 | dREQ; |
|
|
1233 | |
|
|
1234 | req->type = ix; |
|
|
1235 | req_set_path1 (req, pathname); |
|
|
1236 | |
|
|
1237 | REQ_SEND; |
|
|
1238 | } |
|
|
1239 | |
|
|
1240 | void |
|
|
1241 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1242 | PPCODE: |
|
|
1243 | { |
|
|
1244 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1245 | int ofd = s_fileno_croak (out_fh, 1); |
1327 | dREQ; |
1246 | dREQ; |
1328 | |
1247 | |
1329 | req->type = REQ_SENDFILE; |
1248 | req->type = EIO_SENDFILE; |
1330 | req->fh = newSVsv (out_fh); |
1249 | req->sv1 = newSVsv (out_fh); |
1331 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1250 | req->int1 = ofd; |
1332 | req->fh2 = newSVsv (in_fh); |
1251 | req->sv2 = newSVsv (in_fh); |
1333 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1252 | req->int2 = ifd; |
1334 | req->offset = in_offset; |
1253 | req->offs = in_offset; |
1335 | req->length = length; |
1254 | req->size = length; |
1336 | |
1255 | |
1337 | REQ_SEND; |
1256 | REQ_SEND; |
1338 | } |
1257 | } |
1339 | |
1258 | |
1340 | void |
1259 | void |
1341 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1260 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1342 | SV * fh |
|
|
1343 | UV offset |
|
|
1344 | IV length |
|
|
1345 | SV * callback |
|
|
1346 | PROTOTYPE: $$$;$ |
|
|
1347 | PPCODE: |
1261 | PPCODE: |
1348 | { |
1262 | { |
|
|
1263 | int fd = s_fileno_croak (fh, 0); |
1349 | dREQ; |
1264 | dREQ; |
1350 | |
1265 | |
1351 | req->type = REQ_READAHEAD; |
1266 | req->type = EIO_READAHEAD; |
1352 | req->fh = newSVsv (fh); |
1267 | req->sv1 = newSVsv (fh); |
1353 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1268 | req->int1 = fd; |
1354 | req->offset = offset; |
1269 | req->offs = offset; |
1355 | req->length = length; |
1270 | req->size = length; |
1356 | |
1271 | |
1357 | REQ_SEND; |
1272 | REQ_SEND; |
1358 | } |
1273 | } |
1359 | |
1274 | |
1360 | void |
1275 | void |
1361 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1276 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1362 | SV * fh_or_path |
|
|
1363 | SV * callback |
|
|
1364 | ALIAS: |
1277 | ALIAS: |
1365 | aio_stat = REQ_STAT |
1278 | aio_stat = EIO_STAT |
1366 | aio_lstat = REQ_LSTAT |
1279 | aio_lstat = EIO_LSTAT |
|
|
1280 | aio_statvfs = EIO_STATVFS |
1367 | PPCODE: |
1281 | PPCODE: |
1368 | { |
1282 | { |
1369 | dREQ; |
1283 | dREQ; |
1370 | |
1284 | |
1371 | New (0, req->statdata, 1, Stat_t); |
|
|
1372 | if (!req->statdata) |
|
|
1373 | { |
|
|
1374 | req_free (req); |
|
|
1375 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1376 | } |
|
|
1377 | |
|
|
1378 | if (SvPOK (fh_or_path)) |
|
|
1379 | { |
|
|
1380 | req->type = ix; |
|
|
1381 | req->data = newSVsv (fh_or_path); |
|
|
1382 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1383 | } |
|
|
1384 | else |
|
|
1385 | { |
|
|
1386 | req->type = REQ_FSTAT; |
|
|
1387 | req->fh = newSVsv (fh_or_path); |
1285 | req->sv1 = newSVsv (fh_or_path); |
1388 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1286 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1389 | } |
|
|
1390 | |
|
|
1391 | REQ_SEND; |
1287 | REQ_SEND; |
1392 | } |
1288 | } |
1393 | |
1289 | |
|
|
1290 | UV |
|
|
1291 | major (UV dev) |
|
|
1292 | ALIAS: |
|
|
1293 | minor = 1 |
|
|
1294 | CODE: |
|
|
1295 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1296 | OUTPUT: |
|
|
1297 | RETVAL |
|
|
1298 | |
|
|
1299 | UV |
|
|
1300 | makedev (UV maj, UV min) |
|
|
1301 | CODE: |
|
|
1302 | RETVAL = makedev (maj, min); |
|
|
1303 | OUTPUT: |
|
|
1304 | RETVAL |
|
|
1305 | |
1394 | void |
1306 | void |
|
|
1307 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1308 | PPCODE: |
|
|
1309 | { |
|
|
1310 | dREQ; |
|
|
1311 | |
|
|
1312 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1313 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1314 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1315 | |
|
|
1316 | REQ_SEND; |
|
|
1317 | } |
|
|
1318 | |
|
|
1319 | void |
|
|
1320 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1321 | PPCODE: |
|
|
1322 | { |
|
|
1323 | dREQ; |
|
|
1324 | |
|
|
1325 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1326 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1327 | |
|
|
1328 | REQ_SEND; |
|
|
1329 | } |
|
|
1330 | |
|
|
1331 | void |
|
|
1332 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1333 | ALIAS: |
|
|
1334 | aio_chmod = EIO_CHMOD |
|
|
1335 | aio_mkdir = EIO_MKDIR |
|
|
1336 | PPCODE: |
|
|
1337 | { |
|
|
1338 | dREQ; |
|
|
1339 | |
|
|
1340 | req->int2 = mode; |
|
|
1341 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1342 | |
|
|
1343 | REQ_SEND; |
|
|
1344 | } |
|
|
1345 | |
|
|
1346 | void |
|
|
1347 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1348 | PPCODE: |
|
|
1349 | { |
|
|
1350 | dREQ; |
|
|
1351 | |
|
|
1352 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1353 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1354 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1355 | |
|
|
1356 | REQ_SEND; |
|
|
1357 | } |
|
|
1358 | |
|
|
1359 | void |
|
|
1360 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1361 | PPCODE: |
|
|
1362 | { |
|
|
1363 | dREQ; |
|
|
1364 | |
|
|
1365 | req->type = EIO_READDIR; |
|
|
1366 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1367 | |
|
|
1368 | if (flags & EIO_READDIR_DENTS) |
|
|
1369 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1370 | |
|
|
1371 | req_set_path1 (req, pathname); |
|
|
1372 | |
|
|
1373 | REQ_SEND; |
|
|
1374 | } |
|
|
1375 | |
|
|
1376 | void |
1395 | aio_unlink (pathname,callback=&PL_sv_undef) |
1377 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1396 | SV * pathname |
|
|
1397 | SV * callback |
|
|
1398 | ALIAS: |
1378 | ALIAS: |
1399 | aio_unlink = REQ_UNLINK |
1379 | aio_unlink = EIO_UNLINK |
1400 | aio_rmdir = REQ_RMDIR |
1380 | aio_rmdir = EIO_RMDIR |
1401 | aio_readdir = REQ_READDIR |
1381 | aio_readdir = EIO_READDIR |
1402 | PPCODE: |
1382 | PPCODE: |
1403 | { |
1383 | { |
1404 | dREQ; |
1384 | dREQ; |
1405 | |
1385 | |
1406 | req->type = ix; |
1386 | req->type = ix; |
1407 | req->data = newSVsv (pathname); |
1387 | req_set_path1 (req, pathname); |
1408 | req->dataptr = SvPVbyte_nolen (req->data); |
1388 | |
|
|
1389 | REQ_SEND; |
|
|
1390 | } |
|
|
1391 | |
|
|
1392 | void |
|
|
1393 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1394 | ALIAS: |
|
|
1395 | aio_link = EIO_LINK |
|
|
1396 | aio_symlink = EIO_SYMLINK |
|
|
1397 | aio_rename = EIO_RENAME |
|
|
1398 | PPCODE: |
|
|
1399 | { |
|
|
1400 | dREQ; |
|
|
1401 | eio_wd wd2; |
|
|
1402 | |
|
|
1403 | req->type = ix; |
|
|
1404 | req_set_path1 (req, oldpath); |
|
|
1405 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1406 | req->int3 = (long)wd2; |
1409 | |
1407 | |
1410 | REQ_SEND; |
1408 | REQ_SEND; |
1411 | } |
1409 | } |
1412 | |
1410 | |
1413 | void |
1411 | void |
1414 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1412 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1415 | SV * oldpath |
|
|
1416 | SV * newpath |
|
|
1417 | SV * callback |
|
|
1418 | ALIAS: |
|
|
1419 | aio_link = REQ_LINK |
|
|
1420 | aio_symlink = REQ_SYMLINK |
|
|
1421 | aio_rename = REQ_RENAME |
|
|
1422 | PPCODE: |
1413 | PPCODE: |
1423 | { |
1414 | { |
1424 | dREQ; |
1415 | dREQ; |
1425 | |
1416 | |
1426 | req->type = ix; |
1417 | req->type = EIO_MKNOD; |
1427 | req->fh = newSVsv (oldpath); |
1418 | req->int2 = (mode_t)mode; |
1428 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1419 | req->offs = dev; |
1429 | req->data = newSVsv (newpath); |
1420 | req_set_path1 (req, pathname); |
1430 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1431 | |
1421 | |
1432 | REQ_SEND; |
1422 | REQ_SEND; |
1433 | } |
1423 | } |
1434 | |
1424 | |
1435 | void |
1425 | void |
1436 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1426 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1437 | SV * pathname |
1427 | ALIAS: |
1438 | SV * callback |
1428 | aio_mtouch = EIO_MTOUCH |
1439 | UV mode |
1429 | aio_msync = EIO_MSYNC |
1440 | UV dev |
1430 | PPCODE: |
|
|
1431 | { |
|
|
1432 | STRLEN svlen; |
|
|
1433 | char *svptr = SvPVbyte (data, svlen); |
|
|
1434 | UV len = SvUV (length); |
|
|
1435 | |
|
|
1436 | if (offset < 0) |
|
|
1437 | offset += svlen; |
|
|
1438 | |
|
|
1439 | if (offset < 0 || offset > svlen) |
|
|
1440 | croak ("offset outside of scalar"); |
|
|
1441 | |
|
|
1442 | if (!SvOK (length) || len + offset > svlen) |
|
|
1443 | len = svlen - offset; |
|
|
1444 | |
|
|
1445 | { |
|
|
1446 | dREQ; |
|
|
1447 | |
|
|
1448 | req->type = ix; |
|
|
1449 | req->sv2 = SvREFCNT_inc (data); |
|
|
1450 | req->ptr2 = (char *)svptr + offset; |
|
|
1451 | req->size = len; |
|
|
1452 | req->int1 = flags; |
|
|
1453 | |
|
|
1454 | REQ_SEND; |
|
|
1455 | } |
|
|
1456 | } |
|
|
1457 | |
|
|
1458 | void |
|
|
1459 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1460 | PPCODE: |
|
|
1461 | { |
|
|
1462 | STRLEN svlen; |
|
|
1463 | char *svptr = SvPVbyte (data, svlen); |
|
|
1464 | UV len = SvUV (length); |
|
|
1465 | |
|
|
1466 | if (offset < 0) |
|
|
1467 | offset += svlen; |
|
|
1468 | |
|
|
1469 | if (offset < 0 || offset > svlen) |
|
|
1470 | croak ("offset outside of scalar"); |
|
|
1471 | |
|
|
1472 | if (!SvOK (length) || len + offset > svlen) |
|
|
1473 | len = svlen - offset; |
|
|
1474 | |
|
|
1475 | { |
|
|
1476 | dREQ; |
|
|
1477 | |
|
|
1478 | req->type = EIO_MLOCK; |
|
|
1479 | req->sv2 = SvREFCNT_inc (data); |
|
|
1480 | req->ptr2 = (char *)svptr + offset; |
|
|
1481 | req->size = len; |
|
|
1482 | |
|
|
1483 | REQ_SEND; |
|
|
1484 | } |
|
|
1485 | } |
|
|
1486 | |
|
|
1487 | void |
|
|
1488 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1489 | PPCODE: |
|
|
1490 | { |
|
|
1491 | dREQ; |
|
|
1492 | |
|
|
1493 | req->type = EIO_MLOCKALL; |
|
|
1494 | req->int1 = flags; |
|
|
1495 | |
|
|
1496 | REQ_SEND; |
|
|
1497 | } |
|
|
1498 | |
|
|
1499 | void |
|
|
1500 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1441 | PPCODE: |
1501 | PPCODE: |
1442 | { |
1502 | { |
1443 | dREQ; |
1503 | dREQ; |
1444 | |
1504 | |
1445 | req->type = REQ_MKNOD; |
1505 | req->type = EIO_BUSY; |
1446 | req->data = newSVsv (pathname); |
1506 | req->nv1 = delay < 0. ? 0. : delay; |
1447 | req->dataptr = SvPVbyte_nolen (req->data); |
1507 | |
1448 | req->mode = (mode_t)mode; |
|
|
1449 | req->offset = dev; |
|
|
1450 | |
|
|
1451 | REQ_SEND; |
1508 | REQ_SEND; |
1452 | } |
1509 | } |
1453 | |
1510 | |
1454 | void |
1511 | void |
1455 | aio_busy (delay,callback=&PL_sv_undef) |
1512 | aio_group (SV *callback=&PL_sv_undef) |
1456 | double delay |
1513 | PPCODE: |
1457 | SV * callback |
1514 | { |
|
|
1515 | dREQ; |
|
|
1516 | |
|
|
1517 | req->type = EIO_GROUP; |
|
|
1518 | |
|
|
1519 | req_submit (req); |
|
|
1520 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1521 | } |
|
|
1522 | |
|
|
1523 | void |
|
|
1524 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1525 | ALIAS: |
|
|
1526 | aio_nop = EIO_NOP |
|
|
1527 | aio_sync = EIO_SYNC |
1458 | PPCODE: |
1528 | PPCODE: |
1459 | { |
1529 | { |
1460 | dREQ; |
1530 | dREQ; |
1461 | |
1531 | |
1462 | req->type = REQ_BUSY; |
|
|
1463 | req->fd = delay < 0. ? 0 : delay; |
|
|
1464 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1465 | |
|
|
1466 | REQ_SEND; |
|
|
1467 | } |
|
|
1468 | |
|
|
1469 | void |
|
|
1470 | aio_group (callback=&PL_sv_undef) |
|
|
1471 | SV * callback |
|
|
1472 | PROTOTYPE: ;$ |
|
|
1473 | PPCODE: |
|
|
1474 | { |
|
|
1475 | dREQ; |
|
|
1476 | |
|
|
1477 | req->type = REQ_GROUP; |
|
|
1478 | req_send (req); |
|
|
1479 | |
|
|
1480 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1481 | } |
|
|
1482 | |
|
|
1483 | void |
|
|
1484 | aio_nop (callback=&PL_sv_undef) |
|
|
1485 | SV * callback |
|
|
1486 | PPCODE: |
|
|
1487 | { |
|
|
1488 | dREQ; |
|
|
1489 | |
|
|
1490 | req->type = REQ_NOP; |
1532 | req->type = ix; |
1491 | |
1533 | |
1492 | REQ_SEND; |
1534 | REQ_SEND; |
1493 | } |
1535 | } |
1494 | |
1536 | |
1495 | int |
1537 | int |
1496 | aioreq_pri (int pri = 0) |
1538 | aioreq_pri (int pri = 0) |
1497 | PROTOTYPE: ;$ |
|
|
1498 | CODE: |
1539 | CODE: |
1499 | RETVAL = next_pri - PRI_BIAS; |
1540 | RETVAL = next_pri; |
1500 | if (items > 0) |
1541 | if (items > 0) |
1501 | { |
1542 | { |
1502 | if (pri < PRI_MIN) pri = PRI_MIN; |
1543 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1503 | if (pri > PRI_MAX) pri = PRI_MAX; |
1544 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1504 | next_pri = pri + PRI_BIAS; |
1545 | next_pri = pri; |
1505 | } |
1546 | } |
1506 | OUTPUT: |
1547 | OUTPUT: |
1507 | RETVAL |
1548 | RETVAL |
1508 | |
1549 | |
1509 | void |
1550 | void |
1510 | aioreq_nice (int nice = 0) |
1551 | aioreq_nice (int nice = 0) |
1511 | CODE: |
1552 | CODE: |
1512 | nice = next_pri - nice; |
1553 | nice = next_pri - nice; |
1513 | if (nice < PRI_MIN) nice = PRI_MIN; |
1554 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1514 | if (nice > PRI_MAX) nice = PRI_MAX; |
1555 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1515 | next_pri = nice + PRI_BIAS; |
1556 | next_pri = nice; |
1516 | |
1557 | |
1517 | void |
1558 | void |
1518 | flush () |
1559 | flush () |
1519 | PROTOTYPE: |
|
|
1520 | CODE: |
1560 | CODE: |
1521 | while (nreqs) |
1561 | while (eio_nreqs ()) |
1522 | { |
1562 | { |
1523 | poll_wait (); |
1563 | poll_wait (); |
1524 | poll_cb (0); |
1564 | poll_cb (); |
1525 | } |
1565 | } |
1526 | |
1566 | |
1527 | void |
|
|
1528 | poll() |
|
|
1529 | PROTOTYPE: |
|
|
1530 | CODE: |
|
|
1531 | if (nreqs) |
|
|
1532 | { |
|
|
1533 | poll_wait (); |
|
|
1534 | poll_cb (0); |
|
|
1535 | } |
|
|
1536 | |
|
|
1537 | int |
1567 | int |
1538 | poll_fileno() |
1568 | poll () |
1539 | PROTOTYPE: |
|
|
1540 | CODE: |
1569 | CODE: |
1541 | RETVAL = respipe [0]; |
1570 | poll_wait (); |
|
|
1571 | RETVAL = poll_cb (); |
1542 | OUTPUT: |
1572 | OUTPUT: |
1543 | RETVAL |
1573 | RETVAL |
1544 | |
1574 | |
1545 | int |
1575 | int |
1546 | poll_cb(...) |
1576 | poll_fileno () |
1547 | PROTOTYPE: |
|
|
1548 | CODE: |
1577 | CODE: |
1549 | RETVAL = poll_cb (0); |
1578 | RETVAL = s_epipe_fd (&respipe); |
1550 | OUTPUT: |
1579 | OUTPUT: |
1551 | RETVAL |
1580 | RETVAL |
1552 | |
1581 | |
1553 | int |
1582 | int |
1554 | poll_some(int max = 0) |
1583 | poll_cb (...) |
1555 | PROTOTYPE: $ |
1584 | PROTOTYPE: |
1556 | CODE: |
1585 | CODE: |
1557 | RETVAL = poll_cb (max); |
1586 | RETVAL = poll_cb (); |
1558 | OUTPUT: |
1587 | OUTPUT: |
1559 | RETVAL |
1588 | RETVAL |
1560 | |
1589 | |
1561 | void |
1590 | void |
1562 | poll_wait() |
1591 | poll_wait () |
1563 | PROTOTYPE: |
|
|
1564 | CODE: |
1592 | CODE: |
1565 | if (nreqs) |
|
|
1566 | poll_wait (); |
1593 | poll_wait (); |
1567 | |
1594 | |
1568 | int |
1595 | int |
1569 | nreqs() |
1596 | nreqs () |
1570 | PROTOTYPE: |
|
|
1571 | CODE: |
1597 | CODE: |
1572 | RETVAL = nreqs; |
1598 | RETVAL = eio_nreqs (); |
1573 | OUTPUT: |
1599 | OUTPUT: |
1574 | RETVAL |
1600 | RETVAL |
1575 | |
1601 | |
1576 | int |
1602 | int |
1577 | nready() |
1603 | nready () |
1578 | PROTOTYPE: |
|
|
1579 | CODE: |
1604 | CODE: |
1580 | RETVAL = get_nready (); |
1605 | RETVAL = eio_nready (); |
1581 | OUTPUT: |
1606 | OUTPUT: |
1582 | RETVAL |
1607 | RETVAL |
1583 | |
1608 | |
1584 | int |
1609 | int |
1585 | npending() |
1610 | npending () |
1586 | PROTOTYPE: |
|
|
1587 | CODE: |
1611 | CODE: |
1588 | RETVAL = get_npending (); |
1612 | RETVAL = eio_npending (); |
1589 | OUTPUT: |
1613 | OUTPUT: |
1590 | RETVAL |
1614 | RETVAL |
1591 | |
1615 | |
|
|
1616 | int |
|
|
1617 | nthreads () |
|
|
1618 | CODE: |
|
|
1619 | RETVAL = eio_nthreads (); |
|
|
1620 | OUTPUT: |
|
|
1621 | RETVAL |
|
|
1622 | |
|
|
1623 | int |
|
|
1624 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1625 | CODE: |
|
|
1626 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1627 | OUTPUT: |
|
|
1628 | RETVAL |
|
|
1629 | |
|
|
1630 | IV |
|
|
1631 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1632 | CODE: |
|
|
1633 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1634 | OUTPUT: |
|
|
1635 | RETVAL |
|
|
1636 | |
|
|
1637 | void |
|
|
1638 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1639 | PPCODE: |
|
|
1640 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1641 | { |
|
|
1642 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1643 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1644 | if (addr == (void *)-1) |
|
|
1645 | XSRETURN_NO; |
|
|
1646 | |
|
|
1647 | sv_force_normal (scalar); |
|
|
1648 | |
|
|
1649 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1650 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1651 | ->mg_obj = (SV *)length; |
|
|
1652 | |
|
|
1653 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1654 | |
|
|
1655 | if (!(prot & PROT_WRITE)) |
|
|
1656 | SvREADONLY_on (scalar); |
|
|
1657 | |
|
|
1658 | if (SvLEN (scalar)) |
|
|
1659 | Safefree (SvPVX (scalar)); |
|
|
1660 | |
|
|
1661 | SvPVX (scalar) = (char *)addr; |
|
|
1662 | SvCUR_set (scalar, length); |
|
|
1663 | SvLEN_set (scalar, 0); |
|
|
1664 | SvPOK_only (scalar); |
|
|
1665 | |
|
|
1666 | XSRETURN_YES; |
|
|
1667 | } |
|
|
1668 | |
|
|
1669 | void |
|
|
1670 | munmap (SV *scalar) |
|
|
1671 | CODE: |
|
|
1672 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1673 | |
|
|
1674 | int |
|
|
1675 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1676 | ALIAS: |
|
|
1677 | mprotect = 1 |
|
|
1678 | CODE: |
|
|
1679 | { |
|
|
1680 | STRLEN svlen; |
|
|
1681 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1682 | size_t len = SvUV (length); |
|
|
1683 | |
|
|
1684 | if (offset < 0) |
|
|
1685 | offset += svlen; |
|
|
1686 | |
|
|
1687 | if (offset < 0 || offset > svlen) |
|
|
1688 | croak ("offset outside of scalar"); |
|
|
1689 | |
|
|
1690 | if (!SvOK (length) || len + offset > svlen) |
|
|
1691 | len = svlen - offset; |
|
|
1692 | |
|
|
1693 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1694 | eio_page_align (&addr, &len); |
|
|
1695 | |
|
|
1696 | switch (ix) |
|
|
1697 | { |
|
|
1698 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1699 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1700 | } |
|
|
1701 | } |
|
|
1702 | OUTPUT: |
|
|
1703 | RETVAL |
|
|
1704 | |
|
|
1705 | int |
|
|
1706 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1707 | CODE: |
|
|
1708 | { |
|
|
1709 | STRLEN svlen; |
|
|
1710 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1711 | size_t len = SvUV (length); |
|
|
1712 | |
|
|
1713 | if (offset < 0) |
|
|
1714 | offset += svlen; |
|
|
1715 | |
|
|
1716 | if (offset < 0 || offset > svlen) |
|
|
1717 | croak ("offset outside of scalar"); |
|
|
1718 | |
|
|
1719 | if (!SvOK (length) || len + offset > svlen) |
|
|
1720 | len = svlen - offset; |
|
|
1721 | |
|
|
1722 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1723 | eio_page_align (&addr, &len); |
|
|
1724 | #if _POSIX_MEMLOCK_RANGE |
|
|
1725 | RETVAL = munlock (addr, len); |
|
|
1726 | #else |
|
|
1727 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1728 | #endif |
|
|
1729 | } |
|
|
1730 | OUTPUT: |
|
|
1731 | RETVAL |
|
|
1732 | |
|
|
1733 | int |
|
|
1734 | munlockall () |
|
|
1735 | CODE: |
|
|
1736 | #if _POSIX_MEMLOCK |
|
|
1737 | munlockall (); |
|
|
1738 | #else |
|
|
1739 | RETVAL = -1; |
|
|
1740 | errno = ENOSYS; |
|
|
1741 | #endif |
|
|
1742 | OUTPUT: |
|
|
1743 | RETVAL |
|
|
1744 | |
|
|
1745 | void _on_next_submit (SV *cb) |
|
|
1746 | CODE: |
|
|
1747 | SvREFCNT_dec (on_next_submit); |
|
|
1748 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1749 | |
1592 | PROTOTYPES: DISABLE |
1750 | PROTOTYPES: DISABLE |
1593 | |
1751 | |
|
|
1752 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1753 | |
|
|
1754 | BOOT: |
|
|
1755 | { |
|
|
1756 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1757 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1758 | } |
|
|
1759 | |
|
|
1760 | void |
|
|
1761 | DESTROY (SV *self) |
|
|
1762 | CODE: |
|
|
1763 | { |
|
|
1764 | aio_wd wd = SvAIO_WD (self); |
|
|
1765 | #if HAVE_AT |
|
|
1766 | SV *callback = &PL_sv_undef; |
|
|
1767 | dREQ; /* clobbers next_pri :/ */ |
|
|
1768 | req->type = EIO_WD_CLOSE; |
|
|
1769 | req->wd = wd; |
|
|
1770 | REQ_SEND; |
|
|
1771 | #else |
|
|
1772 | eio_wd_close_sync (wd); |
|
|
1773 | #endif |
|
|
1774 | } |
|
|
1775 | |
1594 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1776 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1595 | |
1777 | |
1596 | void |
1778 | void |
1597 | cancel (aio_req_ornot req) |
1779 | cancel (aio_req_ornot req) |
1598 | CODE: |
1780 | CODE: |
1599 | req_cancel (req); |
1781 | eio_cancel (req); |
1600 | |
1782 | |
1601 | void |
1783 | void |
1602 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1784 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1603 | CODE: |
1785 | PPCODE: |
|
|
1786 | { |
|
|
1787 | if (GIMME_V != G_VOID) |
|
|
1788 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1789 | |
|
|
1790 | if (items > 1) |
|
|
1791 | { |
|
|
1792 | SV *cb_cv =get_cb (callback); |
|
|
1793 | |
1604 | SvREFCNT_dec (req->callback); |
1794 | SvREFCNT_dec (req->callback); |
1605 | req->callback = newSVsv (callback); |
1795 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1796 | } |
|
|
1797 | } |
1606 | |
1798 | |
1607 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1799 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1608 | |
1800 | |
1609 | void |
1801 | void |
1610 | add (aio_req grp, ...) |
1802 | add (aio_req grp, ...) |
1611 | PPCODE: |
1803 | PPCODE: |
1612 | { |
1804 | { |
1613 | int i; |
1805 | int i; |
1614 | aio_req req; |
|
|
1615 | |
1806 | |
1616 | if (grp->fd == 2) |
1807 | if (grp->int1 == 2) |
1617 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1808 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1618 | |
1809 | |
1619 | for (i = 1; i < items; ++i ) |
1810 | for (i = 1; i < items; ++i ) |
1620 | { |
1811 | { |
|
|
1812 | aio_req req; |
|
|
1813 | |
1621 | if (GIMME_V != G_VOID) |
1814 | if (GIMME_V != G_VOID) |
1622 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1815 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1623 | |
1816 | |
1624 | req = SvAIO_REQ (ST (i)); |
1817 | req = SvAIO_REQ (ST (i)); |
1625 | |
1818 | |
1626 | if (req) |
1819 | if (req) |
1627 | { |
1820 | eio_grp_add (grp, req); |
1628 | ++grp->length; |
|
|
1629 | req->grp = grp; |
|
|
1630 | |
|
|
1631 | req->grp_prev = 0; |
|
|
1632 | req->grp_next = grp->grp_first; |
|
|
1633 | |
|
|
1634 | if (grp->grp_first) |
|
|
1635 | grp->grp_first->grp_prev = req; |
|
|
1636 | |
|
|
1637 | grp->grp_first = req; |
|
|
1638 | } |
|
|
1639 | } |
1821 | } |
1640 | } |
1822 | } |
1641 | |
1823 | |
1642 | void |
1824 | void |
1643 | cancel_subs (aio_req_ornot req) |
1825 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1652 | AV *av; |
1834 | AV *av; |
1653 | |
1835 | |
1654 | grp->errorno = errno; |
1836 | grp->errorno = errno; |
1655 | |
1837 | |
1656 | av = newAV (); |
1838 | av = newAV (); |
|
|
1839 | av_extend (av, items - 1); |
1657 | |
1840 | |
1658 | for (i = 1; i < items; ++i ) |
1841 | for (i = 1; i < items; ++i ) |
1659 | av_push (av, newSVsv (ST (i))); |
1842 | av_push (av, newSVsv (ST (i))); |
1660 | |
1843 | |
1661 | SvREFCNT_dec (grp->data); |
1844 | SvREFCNT_dec (grp->sv1); |
1662 | grp->data = (SV *)av; |
1845 | grp->sv1 = (SV *)av; |
1663 | } |
1846 | } |
1664 | |
1847 | |
1665 | void |
1848 | void |
1666 | errno (aio_req grp, int errorno = errno) |
1849 | errno (aio_req grp, int errorno = errno) |
1667 | CODE: |
1850 | CODE: |
1668 | grp->errorno = errorno; |
1851 | grp->errorno = errorno; |
1669 | |
1852 | |
1670 | void |
1853 | void |
1671 | limit (aio_req grp, int limit) |
1854 | limit (aio_req grp, int limit) |
1672 | CODE: |
1855 | CODE: |
1673 | grp->fd2 = limit; |
1856 | eio_grp_limit (grp, limit); |
1674 | aio_grp_feed (grp); |
|
|
1675 | |
1857 | |
1676 | void |
1858 | void |
1677 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1859 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1678 | CODE: |
1860 | CODE: |
1679 | { |
1861 | { |
1680 | SvREFCNT_dec (grp->fh2); |
1862 | SvREFCNT_dec (grp->sv2); |
1681 | grp->fh2 = newSVsv (callback); |
1863 | grp->sv2 = newSVsv (callback); |
|
|
1864 | grp->feed = aio_grp_feed; |
1682 | |
1865 | |
1683 | if (grp->fd2 <= 0) |
1866 | if (grp->int2 <= 0) |
1684 | grp->fd2 = 2; |
1867 | grp->int2 = 2; |
1685 | |
1868 | |
1686 | aio_grp_feed (grp); |
1869 | eio_grp_limit (grp, grp->int2); |
1687 | } |
1870 | } |
1688 | |
1871 | |