1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
|
|
3 | |
|
|
4 | #if __linux |
|
|
5 | # define _GNU_SOURCE |
|
|
6 | #endif |
|
|
7 | |
|
|
8 | #define _REENTRANT 1 |
|
|
9 | |
2 | |
10 | #include <errno.h> |
3 | #include <errno.h> |
11 | |
4 | |
12 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
13 | #include "perl.h" |
6 | #include "perl.h" |
14 | #include "XSUB.h" |
7 | #include "XSUB.h" |
15 | |
8 | |
16 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
17 | |
|
|
18 | #include <pthread.h> |
|
|
19 | |
10 | |
20 | #include <stddef.h> |
11 | #include <stddef.h> |
|
|
12 | #include <stdlib.h> |
21 | #include <errno.h> |
13 | #include <errno.h> |
22 | #include <sys/time.h> |
|
|
23 | #include <sys/select.h> |
|
|
24 | #include <sys/types.h> |
14 | #include <sys/types.h> |
25 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
26 | #include <limits.h> |
16 | #include <limits.h> |
27 | #include <unistd.h> |
|
|
28 | #include <fcntl.h> |
17 | #include <fcntl.h> |
29 | #include <signal.h> |
|
|
30 | #include <sched.h> |
18 | #include <sched.h> |
31 | |
19 | |
32 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
33 | # if __linux |
|
|
34 | # include <sys/sendfile.h> |
|
|
35 | # elif __freebsd |
|
|
36 | # include <sys/socket.h> |
|
|
37 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
38 | # elif __hpux |
22 | #endif |
|
|
23 | |
|
|
24 | /* the incompetent fool that created musl keeps __linux__, refuses |
|
|
25 | * to implement any linux standard apis, and also has no way to test |
|
|
26 | * for his broken iplementation. on't complain if this fails for you. |
|
|
27 | */ |
|
|
28 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
|
|
29 | # include <linux/fs.h> |
|
|
30 | # ifdef FS_IOC_FIEMAP |
|
|
31 | # include <linux/types.h> |
|
|
32 | # include <linux/fiemap.h> |
|
|
33 | # define HAVE_FIEMAP 1 |
|
|
34 | # endif |
|
|
35 | #endif |
|
|
36 | |
|
|
37 | /* perl namespace pollution */ |
|
|
38 | #undef VERSION |
|
|
39 | |
|
|
40 | /* perl stupidly overrides readdir and maybe others */ |
|
|
41 | /* with thread-unsafe versions, imagine that :( */ |
|
|
42 | #undef readdir |
|
|
43 | #undef opendir |
|
|
44 | #undef closedir |
|
|
45 | |
|
|
46 | #ifdef _WIN32 |
|
|
47 | |
|
|
48 | // perl overrides all those nice libc functions |
|
|
49 | |
|
|
50 | #undef malloc |
|
|
51 | #undef free |
|
|
52 | #undef open |
|
|
53 | #undef read |
|
|
54 | #undef write |
|
|
55 | #undef send |
|
|
56 | #undef recv |
|
|
57 | #undef stat |
|
|
58 | #undef lstat |
|
|
59 | #undef fstat |
|
|
60 | #undef truncate |
|
|
61 | #undef ftruncate |
|
|
62 | #undef open |
|
|
63 | #undef link |
|
|
64 | #undef close |
|
|
65 | #undef unlink |
|
|
66 | #undef mkdir |
|
|
67 | #undef rmdir |
|
|
68 | #undef rename |
|
|
69 | #undef lseek |
|
|
70 | #undef opendir |
|
|
71 | #undef readdir |
|
|
72 | #undef closedir |
|
|
73 | #undef chmod |
|
|
74 | #undef fchmod |
|
|
75 | #undef dup |
|
|
76 | #undef dup2 |
|
|
77 | #undef abort |
|
|
78 | #undef pipe |
|
|
79 | |
|
|
80 | #define EIO_STRUCT_STAT struct _stati64 |
|
|
81 | #define EIO_STRUCT_STATI64 |
|
|
82 | |
|
|
83 | #else |
|
|
84 | |
39 | # include <sys/socket.h> |
85 | #include <sys/time.h> |
40 | # elif __solaris /* not yet */ |
|
|
41 | # include <sys/sendfile.h> |
86 | #include <sys/select.h> |
|
|
87 | #include <unistd.h> |
|
|
88 | #include <utime.h> |
|
|
89 | #include <signal.h> |
|
|
90 | |
|
|
91 | #define EIO_STRUCT_STAT Stat_t |
|
|
92 | |
|
|
93 | #endif |
|
|
94 | |
|
|
95 | /*****************************************************************************/ |
|
|
96 | |
|
|
97 | #if __GNUC__ >= 3 |
|
|
98 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
99 | #else |
|
|
100 | # define expect(expr,value) (expr) |
|
|
101 | #endif |
|
|
102 | |
|
|
103 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
104 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
105 | |
|
|
106 | /*****************************************************************************/ |
|
|
107 | |
|
|
108 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
109 | typedef int aio_rfd; /* read file desriptor */ |
|
|
110 | typedef int aio_wfd; /* write file descriptor */ |
|
|
111 | |
|
|
112 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
|
|
113 | |
|
|
114 | #define EIO_REQ_MEMBERS \ |
|
|
115 | SV *callback; \ |
|
|
116 | SV *sv1, *sv2; \ |
|
|
117 | SV *sv3, *sv4; \ |
|
|
118 | STRLEN stroffset; \ |
|
|
119 | SV *self; |
|
|
120 | |
|
|
121 | #define EIO_NO_WRAPPERS 1 |
|
|
122 | |
|
|
123 | #include "libeio/config.h" |
|
|
124 | #include "libeio/eio.h" |
|
|
125 | |
|
|
126 | static int req_invoke (eio_req *req); |
|
|
127 | #define EIO_FINISH(req) req_invoke (req) |
|
|
128 | static void req_destroy (eio_req *grp); |
|
|
129 | #define EIO_DESTROY(req) req_destroy (req) |
|
|
130 | |
|
|
131 | #include "libeio/eio.c" |
|
|
132 | |
|
|
133 | #if !HAVE_POSIX_FADVISE |
|
|
134 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
135 | #endif |
|
|
136 | |
|
|
137 | #if !HAVE_POSIX_MADVISE |
|
|
138 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
139 | #endif |
|
|
140 | |
|
|
141 | #ifndef MAP_ANONYMOUS |
|
|
142 | # ifdef MAP_ANON |
|
|
143 | # define MAP_ANONYMOUS MAP_ANON |
42 | # else |
144 | # else |
43 | # error sendfile support requested but not available |
145 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
44 | # endif |
146 | # endif |
45 | #endif |
147 | #endif |
46 | |
148 | |
47 | /* used for struct dirent, AIX doesn't provide it */ |
149 | /* defines all sorts of constants to 0 unless they are already defined */ |
48 | #ifndef NAME_MAX |
150 | /* also provides const_iv_ and const_niv_ macros for them */ |
49 | # define NAME_MAX 4096 |
151 | #include "def0.h" |
50 | #endif |
|
|
51 | |
152 | |
52 | #if __ia64 |
153 | #ifndef makedev |
53 | # define STACKSIZE 65536 |
154 | # define makedev(maj,min) (((maj) << 8) | (min)) |
54 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
|
|
55 | # define STACKSIZE PTHREAD_STACK_MIN |
|
|
56 | #else |
|
|
57 | # define STACKSIZE 16384 |
|
|
58 | #endif |
155 | #endif |
|
|
156 | #ifndef major |
|
|
157 | # define major(dev) ((dev) >> 8) |
|
|
158 | #endif |
|
|
159 | #ifndef minor |
|
|
160 | # define minor(dev) ((dev) & 0xff) |
|
|
161 | #endif |
59 | |
162 | |
60 | /* buffer size for various temporary buffers */ |
163 | #if PAGESIZE <= 0 |
61 | #define AIO_BUFSIZE 65536 |
164 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
|
|
165 | #endif |
62 | |
166 | |
63 | #define dBUF \ |
167 | /*****************************************************************************/ |
64 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
168 | |
65 | if (!aio_buf) \ |
169 | static void |
|
|
170 | fiemap (eio_req *req) |
|
|
171 | { |
|
|
172 | req->result = -1; |
|
|
173 | |
|
|
174 | #if HAVE_FIEMAP |
|
|
175 | /* assume some c99 */ |
|
|
176 | struct fiemap *fiemap = 0; |
|
|
177 | size_t end_offset; |
|
|
178 | int count = req->int3; |
|
|
179 | |
|
|
180 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
181 | |
|
|
182 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
|
|
183 | /* increase in 3.5kb steps */ |
|
|
184 | if (count < 0) |
|
|
185 | count = 8; |
|
|
186 | |
|
|
187 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
188 | errno = ENOMEM; |
|
|
189 | if (!fiemap) |
66 | return -1; |
190 | return; |
67 | |
191 | |
68 | #define fBUF free (aio_buf) |
192 | req->ptr1 = fiemap; |
69 | |
193 | |
70 | enum { |
194 | fiemap->fm_start = req->offs; |
71 | REQ_QUIT, |
195 | fiemap->fm_length = req->size; |
72 | REQ_OPEN, REQ_CLOSE, |
196 | fiemap->fm_flags = req->int2; |
73 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
197 | fiemap->fm_extent_count = count; |
74 | REQ_SENDFILE, |
|
|
75 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
|
|
76 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
77 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
|
|
78 | REQ_READDIR, |
|
|
79 | REQ_LINK, REQ_SYMLINK, |
|
|
80 | REQ_GROUP, REQ_NOP, |
|
|
81 | REQ_BUSY, |
|
|
82 | }; |
|
|
83 | |
198 | |
84 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
199 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
85 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
200 | return; |
86 | |
201 | |
87 | typedef struct aio_cb |
202 | if (req->int3 >= 0 /* not autosizing */ |
88 | { |
203 | || !fiemap->fm_mapped_extents /* no more extents */ |
89 | struct aio_cb *volatile next; |
204 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
|
|
205 | goto done; |
90 | |
206 | |
91 | SV *data, *callback; |
207 | /* else we have to loop - |
92 | SV *fh, *fh2; |
208 | * it would be tempting (actually I tried that first) to just query the |
93 | void *dataptr, *data2ptr; |
209 | * number of extents needed, but linux often feels like not returning all |
94 | Stat_t *statdata; |
210 | * extents, without telling us it left any out. this complicates |
95 | off_t offset; |
211 | * this quite a bit. |
96 | size_t length; |
|
|
97 | ssize_t result; |
|
|
98 | |
|
|
99 | STRLEN dataoffset; |
|
|
100 | int type; |
|
|
101 | int fd, fd2; |
|
|
102 | int errorno; |
|
|
103 | mode_t mode; /* open */ |
|
|
104 | |
|
|
105 | unsigned char flags; |
|
|
106 | unsigned char pri; |
|
|
107 | |
|
|
108 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
109 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
|
|
110 | } aio_cb; |
|
|
111 | |
|
|
112 | enum { |
|
|
113 | FLAG_CANCELLED = 0x01, |
|
|
114 | }; |
|
|
115 | |
|
|
116 | typedef aio_cb *aio_req; |
|
|
117 | typedef aio_cb *aio_req_ornot; |
|
|
118 | |
|
|
119 | enum { |
|
|
120 | PRI_MIN = -4, |
|
|
121 | PRI_MAX = 4, |
|
|
122 | |
|
|
123 | DEFAULT_PRI = 0, |
|
|
124 | PRI_BIAS = -PRI_MIN, |
|
|
125 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
|
|
126 | }; |
|
|
127 | |
|
|
128 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
|
|
129 | |
|
|
130 | static int started, wanted; |
|
|
131 | static volatile int nreqs; |
|
|
132 | static int max_outstanding = 1<<30; |
|
|
133 | static int respipe [2]; |
|
|
134 | |
|
|
135 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
|
|
136 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
137 | #else |
|
|
138 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
139 | #endif |
|
|
140 | |
|
|
141 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
|
|
142 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
|
|
143 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
144 | |
|
|
145 | /* |
|
|
146 | * a somewhat faster data structure might be nice, but |
|
|
147 | * with 8 priorities this actually needs <20 insns |
|
|
148 | * per shift, the most expensive operation. |
|
|
149 | */ |
212 | */ |
150 | typedef struct { |
|
|
151 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
152 | int size; |
|
|
153 | } reqq; |
|
|
154 | |
213 | |
155 | static reqq req_queue; |
214 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
156 | static reqq res_queue; |
|
|
157 | |
215 | |
158 | int reqq_push (reqq *q, aio_req req) |
216 | for (;;) |
159 | { |
|
|
160 | int pri = req->pri; |
|
|
161 | req->next = 0; |
|
|
162 | |
|
|
163 | if (q->qe[pri]) |
|
|
164 | { |
217 | { |
165 | q->qe[pri]->next = req; |
218 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
166 | q->qe[pri] = req; |
219 | char scratch[3072]; |
167 | } |
220 | struct fiemap *incmap = (struct fiemap *)scratch; |
168 | else |
|
|
169 | q->qe[pri] = q->qs[pri] = req; |
|
|
170 | |
221 | |
171 | return q->size++; |
222 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
172 | } |
223 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
|
|
224 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
|
|
225 | incmap->fm_flags = fiemap->fm_flags; |
|
|
226 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
173 | |
227 | |
174 | aio_req reqq_shift (reqq *q) |
228 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
175 | { |
|
|
176 | int pri; |
|
|
177 | |
|
|
178 | if (!q->size) |
|
|
179 | return 0; |
229 | return; |
180 | |
230 | |
181 | --q->size; |
231 | if (!incmap->fm_mapped_extents) |
|
|
232 | goto done; |
182 | |
233 | |
183 | for (pri = NUM_PRI; pri--; ) |
234 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
184 | { |
235 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
185 | aio_req req = q->qs[pri]; |
236 | errno = ENOMEM; |
186 | |
|
|
187 | if (req) |
237 | if (!fiemap) |
|
|
238 | return; |
|
|
239 | |
|
|
240 | req->ptr1 = fiemap; |
|
|
241 | |
|
|
242 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
188 | { |
243 | { |
189 | if (!(q->qs[pri] = req->next)) |
244 | struct fiemap_extent *e = incmap->fm_extents + count; |
190 | q->qe[pri] = 0; |
|
|
191 | |
245 | |
192 | return req; |
246 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
247 | goto done; |
|
|
248 | |
|
|
249 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
250 | |
|
|
251 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
252 | goto done; |
|
|
253 | |
193 | } |
254 | } |
194 | } |
255 | } |
195 | |
256 | |
196 | abort (); |
257 | done: |
197 | } |
258 | req->result = 0; |
198 | |
259 | |
|
|
260 | #else |
|
|
261 | errno = ENOSYS; |
|
|
262 | #endif |
|
|
263 | } |
|
|
264 | |
|
|
265 | /*****************************************************************************/ |
|
|
266 | |
|
|
267 | enum { |
|
|
268 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
269 | }; |
|
|
270 | |
|
|
271 | typedef eio_req *aio_req; |
|
|
272 | typedef eio_req *aio_req_ornot; |
|
|
273 | typedef eio_wd aio_wd; |
|
|
274 | |
|
|
275 | static SV *on_next_submit; |
|
|
276 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
277 | static int max_outstanding; |
|
|
278 | |
|
|
279 | static s_epipe respipe; |
|
|
280 | |
|
|
281 | static void req_destroy (aio_req req); |
199 | static void req_invoke (aio_req req); |
282 | static void req_cancel (aio_req req); |
200 | static void req_free (aio_req req); |
283 | |
|
|
284 | static void |
|
|
285 | want_poll (void) |
|
|
286 | { |
|
|
287 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
288 | s_epipe_signal (&respipe); |
|
|
289 | } |
|
|
290 | |
|
|
291 | static void |
|
|
292 | done_poll (void) |
|
|
293 | { |
|
|
294 | /* read any signals sent by the worker threads */ |
|
|
295 | s_epipe_drain (&respipe); |
|
|
296 | } |
201 | |
297 | |
202 | /* must be called at most once */ |
298 | /* must be called at most once */ |
203 | static SV *req_sv (aio_req req, const char *klass) |
299 | static SV * |
|
|
300 | req_sv (aio_req req, HV *stash) |
204 | { |
301 | { |
205 | if (!req->self) |
302 | if (!req->self) |
206 | { |
303 | { |
207 | req->self = (SV *)newHV (); |
304 | req->self = (SV *)newHV (); |
208 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
305 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
209 | } |
306 | } |
210 | |
307 | |
211 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
308 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
212 | } |
309 | } |
213 | |
310 | |
214 | static aio_req SvAIO_REQ (SV *sv) |
311 | static SV * |
|
|
312 | newSVaio_wd (aio_wd wd) |
|
|
313 | { |
|
|
314 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
315 | } |
|
|
316 | |
|
|
317 | static aio_req |
|
|
318 | SvAIO_REQ (SV *sv) |
215 | { |
319 | { |
216 | MAGIC *mg; |
320 | MAGIC *mg; |
217 | |
321 | |
218 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
322 | if (!SvROK (sv) |
|
|
323 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
324 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
325 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
326 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
219 | croak ("object of class " AIO_REQ_KLASS " expected"); |
327 | croak ("object of class IO::AIO::REQ expected"); |
220 | |
328 | |
221 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
329 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
222 | |
330 | |
223 | return mg ? (aio_req)mg->mg_ptr : 0; |
331 | return mg ? (aio_req)mg->mg_ptr : 0; |
224 | } |
332 | } |
225 | |
333 | |
|
|
334 | static aio_wd |
|
|
335 | SvAIO_WD (SV *sv) |
|
|
336 | { |
|
|
337 | if (!SvROK (sv) |
|
|
338 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
339 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
340 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
341 | |
|
|
342 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
343 | } |
|
|
344 | |
|
|
345 | static SV * |
|
|
346 | newmortalFH (int fd, int flags) |
|
|
347 | { |
|
|
348 | if (fd < 0) |
|
|
349 | return &PL_sv_undef; |
|
|
350 | |
|
|
351 | GV *gv = (GV *)sv_newmortal (); |
|
|
352 | char sym[64]; |
|
|
353 | int symlen; |
|
|
354 | |
|
|
355 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
356 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
357 | |
|
|
358 | symlen = snprintf ( |
|
|
359 | sym, |
|
|
360 | sizeof (sym), |
|
|
361 | "%s&=%d", |
|
|
362 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
363 | fd |
|
|
364 | ); |
|
|
365 | |
|
|
366 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
367 | ? (SV *)gv : &PL_sv_undef; |
|
|
368 | } |
|
|
369 | |
|
|
370 | static void |
226 | static void aio_grp_feed (aio_req grp) |
371 | aio_grp_feed (aio_req grp) |
227 | { |
372 | { |
228 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
373 | if (grp->sv2 && SvOK (grp->sv2)) |
229 | { |
374 | { |
230 | int old_len = grp->length; |
|
|
231 | |
|
|
232 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
233 | { |
|
|
234 | dSP; |
375 | dSP; |
235 | |
376 | |
236 | ENTER; |
377 | ENTER; |
237 | SAVETMPS; |
378 | SAVETMPS; |
238 | PUSHMARK (SP); |
379 | PUSHMARK (SP); |
239 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
380 | XPUSHs (req_sv (grp, aio_grp_stash)); |
240 | PUTBACK; |
381 | PUTBACK; |
241 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
382 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
242 | SPAGAIN; |
383 | SPAGAIN; |
243 | FREETMPS; |
384 | FREETMPS; |
244 | LEAVE; |
385 | LEAVE; |
245 | } |
|
|
246 | |
|
|
247 | /* stop if no progress has been made */ |
|
|
248 | if (old_len == grp->length) |
|
|
249 | { |
|
|
250 | SvREFCNT_dec (grp->fh2); |
|
|
251 | grp->fh2 = 0; |
|
|
252 | break; |
|
|
253 | } |
|
|
254 | } |
386 | } |
255 | } |
387 | } |
256 | |
388 | |
257 | static void aio_grp_dec (aio_req grp) |
389 | static void |
|
|
390 | req_submit (eio_req *req) |
258 | { |
391 | { |
259 | --grp->length; |
392 | eio_submit (req); |
260 | |
393 | |
261 | /* call feeder, if applicable */ |
394 | if (expect_false (on_next_submit)) |
262 | aio_grp_feed (grp); |
|
|
263 | |
|
|
264 | /* finish, if done */ |
|
|
265 | if (!grp->length && grp->fd) |
|
|
266 | { |
395 | { |
267 | req_invoke (grp); |
396 | dSP; |
268 | req_free (grp); |
397 | SV *cb = sv_2mortal (on_next_submit); |
|
|
398 | |
|
|
399 | on_next_submit = 0; |
|
|
400 | |
|
|
401 | PUSHMARK (SP); |
|
|
402 | PUTBACK; |
|
|
403 | call_sv (cb, G_DISCARD | G_EVAL); |
269 | } |
404 | } |
270 | } |
405 | } |
271 | |
406 | |
272 | static void poll_wait () |
407 | static int |
|
|
408 | req_invoke (eio_req *req) |
273 | { |
409 | { |
274 | fd_set rfd; |
410 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
411 | SvREADONLY_off (req->sv2); |
275 | |
412 | |
276 | while (nreqs) |
413 | if (!EIO_CANCELLED (req) && req->callback) |
277 | { |
414 | { |
278 | int size; |
|
|
279 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
|
|
280 | pthread_mutex_lock (&reslock); |
|
|
281 | #endif |
|
|
282 | size = res_queue.size; |
|
|
283 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
|
|
284 | pthread_mutex_unlock (&reslock); |
|
|
285 | #endif |
|
|
286 | |
|
|
287 | if (size) |
|
|
288 | return; |
|
|
289 | |
|
|
290 | FD_ZERO(&rfd); |
|
|
291 | FD_SET(respipe [0], &rfd); |
|
|
292 | |
|
|
293 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
294 | } |
|
|
295 | } |
|
|
296 | |
|
|
297 | static void req_invoke (aio_req req) |
|
|
298 | { |
|
|
299 | dSP; |
415 | dSP; |
300 | |
416 | static SV *sv_result_cache; /* caches the result integer SV */ |
301 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
417 | SV *sv_result; |
302 | { |
|
|
303 | errno = req->errorno; |
|
|
304 | |
418 | |
305 | ENTER; |
419 | ENTER; |
306 | SAVETMPS; |
420 | SAVETMPS; |
307 | PUSHMARK (SP); |
421 | PUSHMARK (SP); |
308 | EXTEND (SP, 1); |
422 | EXTEND (SP, 1); |
309 | |
423 | |
|
|
424 | /* do not recreate the result IV from scratch each time */ |
|
|
425 | if (expect_true (sv_result_cache)) |
|
|
426 | { |
|
|
427 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
428 | SvIV_set (sv_result, req->result); |
|
|
429 | SvIOK_only (sv_result); |
|
|
430 | } |
|
|
431 | else |
|
|
432 | { |
|
|
433 | sv_result = newSViv (req->result); |
|
|
434 | SvREADONLY_on (sv_result); |
|
|
435 | } |
|
|
436 | |
310 | switch (req->type) |
437 | switch (req->type) |
311 | { |
438 | { |
|
|
439 | case EIO_WD_OPEN: |
|
|
440 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
441 | break; |
|
|
442 | |
312 | case REQ_READDIR: |
443 | case EIO_READDIR: |
313 | { |
444 | { |
314 | SV *rv = &PL_sv_undef; |
445 | SV *rv = &PL_sv_undef; |
315 | |
446 | |
316 | if (req->result >= 0) |
447 | if (req->result >= 0) |
317 | { |
448 | { |
|
|
449 | int i; |
318 | char *buf = req->data2ptr; |
450 | char *names = (char *)req->ptr2; |
|
|
451 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
319 | AV *av = newAV (); |
452 | AV *av = newAV (); |
320 | |
453 | |
321 | while (req->result) |
454 | av_extend (av, req->result - 1); |
|
|
455 | |
|
|
456 | for (i = 0; i < req->result; ++i) |
322 | { |
457 | { |
|
|
458 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
459 | { |
|
|
460 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
461 | |
|
|
462 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
463 | { |
|
|
464 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
465 | AV *avent = newAV (); |
|
|
466 | |
|
|
467 | av_extend (avent, 2); |
|
|
468 | |
|
|
469 | if (!sv_type [ent->type]) |
|
|
470 | { |
|
|
471 | sv_type [ent->type] = newSViv (ent->type); |
|
|
472 | SvREADONLY_on (sv_type [ent->type]); |
|
|
473 | } |
|
|
474 | |
|
|
475 | av_store (avent, 0, namesv); |
|
|
476 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
477 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
478 | |
|
|
479 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
480 | } |
|
|
481 | else |
|
|
482 | av_store (av, i, namesv); |
|
|
483 | |
|
|
484 | ++ent; |
|
|
485 | } |
|
|
486 | else |
|
|
487 | { |
323 | SV *sv = newSVpv (buf, 0); |
488 | SV *name = newSVpv (names, 0); |
324 | |
|
|
325 | av_push (av, sv); |
489 | av_store (av, i, name); |
326 | buf += SvCUR (sv) + 1; |
490 | names += SvCUR (name) + 1; |
327 | req->result--; |
491 | } |
328 | } |
492 | } |
329 | |
493 | |
330 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
494 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
331 | } |
495 | } |
332 | |
496 | |
333 | PUSHs (rv); |
497 | PUSHs (rv); |
|
|
498 | |
|
|
499 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
500 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
334 | } |
501 | } |
335 | break; |
502 | break; |
336 | |
503 | |
337 | case REQ_OPEN: |
504 | case EIO_OPEN: |
|
|
505 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
506 | break; |
|
|
507 | |
|
|
508 | case EIO_STATVFS: |
|
|
509 | case EIO_FSTATVFS: |
338 | { |
510 | { |
339 | /* convert fd to fh */ |
511 | SV *rv = &PL_sv_undef; |
340 | SV *fh; |
512 | |
|
|
513 | #ifndef _WIN32 |
|
|
514 | if (req->result >= 0) |
|
|
515 | { |
|
|
516 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
517 | HV *hv = newHV (); |
|
|
518 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
519 | * chooses to make it a struct. |
|
|
520 | */ |
|
|
521 | unsigned long fsid = 0; |
|
|
522 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
341 | |
523 | |
342 | PUSHs (sv_2mortal (newSViv (req->result))); |
524 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
343 | PUTBACK; |
|
|
344 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
345 | SPAGAIN; |
|
|
346 | |
525 | |
347 | fh = SvREFCNT_inc (POPs); |
526 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
527 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
528 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
529 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
530 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
531 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
532 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
533 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
534 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
535 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
536 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
537 | } |
|
|
538 | #endif |
348 | |
539 | |
349 | PUSHMARK (SP); |
540 | PUSHs (rv); |
350 | XPUSHs (sv_2mortal (fh)); |
|
|
351 | } |
541 | } |
|
|
542 | |
352 | break; |
543 | break; |
353 | |
544 | |
354 | case REQ_GROUP: |
545 | case EIO_GROUP: |
355 | req->fd = 2; /* mark group as finished */ |
546 | req->int1 = 2; /* mark group as finished */ |
356 | |
547 | |
357 | if (req->data) |
548 | if (req->sv1) |
358 | { |
549 | { |
359 | int i; |
550 | int i; |
360 | AV *av = (AV *)req->data; |
551 | AV *av = (AV *)req->sv1; |
361 | |
552 | |
362 | EXTEND (SP, AvFILL (av) + 1); |
553 | EXTEND (SP, AvFILL (av) + 1); |
363 | for (i = 0; i <= AvFILL (av); ++i) |
554 | for (i = 0; i <= AvFILL (av); ++i) |
364 | PUSHs (*av_fetch (av, i, 0)); |
555 | PUSHs (*av_fetch (av, i, 0)); |
365 | } |
556 | } |
366 | break; |
557 | break; |
367 | |
558 | |
368 | case REQ_NOP: |
559 | case EIO_NOP: |
369 | case REQ_BUSY: |
560 | case EIO_BUSY: |
370 | break; |
561 | break; |
371 | |
562 | |
|
|
563 | case EIO_READLINK: |
|
|
564 | case EIO_REALPATH: |
|
|
565 | if (req->result > 0) |
|
|
566 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
567 | break; |
|
|
568 | |
|
|
569 | case EIO_STAT: |
|
|
570 | case EIO_LSTAT: |
|
|
571 | case EIO_FSTAT: |
|
|
572 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
573 | |
|
|
574 | if (!(PL_laststatval = req->result)) |
|
|
575 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
576 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
577 | |
|
|
578 | PUSHs (sv_result); |
|
|
579 | break; |
|
|
580 | |
|
|
581 | case EIO_SEEK: |
|
|
582 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
583 | break; |
|
|
584 | |
|
|
585 | case EIO_READ: |
|
|
586 | { |
|
|
587 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
588 | *SvEND (req->sv2) = 0; |
|
|
589 | SvPOK_only (req->sv2); |
|
|
590 | SvSETMAGIC (req->sv2); |
|
|
591 | PUSHs (sv_result); |
|
|
592 | } |
|
|
593 | break; |
|
|
594 | |
|
|
595 | case EIO_CUSTOM: |
|
|
596 | if (req->feed == fiemap) |
|
|
597 | { |
|
|
598 | #if HAVE_FIEMAP |
|
|
599 | if (!req->result) |
|
|
600 | { |
|
|
601 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
602 | |
|
|
603 | if (fiemap->fm_extent_count) |
|
|
604 | { |
|
|
605 | AV *av = newAV (); |
|
|
606 | int i; |
|
|
607 | |
|
|
608 | while (fiemap->fm_mapped_extents) |
|
|
609 | { |
|
|
610 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
611 | AV *ext_av = newAV (); |
|
|
612 | |
|
|
613 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
614 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
615 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
616 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
617 | |
|
|
618 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
619 | } |
|
|
620 | |
|
|
621 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
622 | } |
|
|
623 | else |
|
|
624 | { |
|
|
625 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
626 | PUSHs (sv_result); |
|
|
627 | } |
|
|
628 | } |
|
|
629 | #endif |
|
|
630 | } |
|
|
631 | else |
|
|
632 | PUSHs (sv_result); |
|
|
633 | break; |
|
|
634 | |
|
|
635 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
636 | if (req->result > 0) |
|
|
637 | SvIV_set (sv_result, 0); |
|
|
638 | /* FALLTHROUGH */ |
|
|
639 | |
372 | default: |
640 | default: |
373 | PUSHs (sv_2mortal (newSViv (req->result))); |
641 | PUSHs (sv_result); |
374 | break; |
642 | break; |
375 | } |
643 | } |
376 | |
644 | |
|
|
645 | errno = req->errorno; |
377 | |
646 | |
378 | PUTBACK; |
647 | PUTBACK; |
379 | call_sv (req->callback, G_VOID | G_EVAL); |
648 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
380 | SPAGAIN; |
649 | SPAGAIN; |
|
|
650 | |
|
|
651 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
652 | SvREFCNT_dec (sv_result); |
|
|
653 | else |
|
|
654 | sv_result_cache = sv_result; |
381 | |
655 | |
382 | FREETMPS; |
656 | FREETMPS; |
383 | LEAVE; |
657 | LEAVE; |
|
|
658 | |
|
|
659 | PUTBACK; |
384 | } |
660 | } |
385 | |
661 | |
386 | if (req->grp) |
662 | return !!SvTRUE (ERRSV); |
387 | { |
|
|
388 | aio_req grp = req->grp; |
|
|
389 | |
|
|
390 | /* unlink request */ |
|
|
391 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
392 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
393 | |
|
|
394 | if (grp->grp_first == req) |
|
|
395 | grp->grp_first = req->grp_next; |
|
|
396 | |
|
|
397 | aio_grp_dec (grp); |
|
|
398 | } |
|
|
399 | |
|
|
400 | if (SvTRUE (ERRSV)) |
|
|
401 | { |
|
|
402 | req_free (req); |
|
|
403 | croak (0); |
|
|
404 | } |
|
|
405 | } |
663 | } |
406 | |
664 | |
407 | static void req_free (aio_req req) |
665 | static void |
|
|
666 | req_destroy (aio_req req) |
408 | { |
667 | { |
409 | if (req->self) |
668 | if (req->self) |
410 | { |
669 | { |
411 | sv_unmagic (req->self, PERL_MAGIC_ext); |
670 | sv_unmagic (req->self, PERL_MAGIC_ext); |
412 | SvREFCNT_dec (req->self); |
671 | SvREFCNT_dec (req->self); |
413 | } |
672 | } |
414 | |
673 | |
415 | SvREFCNT_dec (req->data); |
|
|
416 | SvREFCNT_dec (req->fh); |
674 | SvREFCNT_dec (req->sv1); |
417 | SvREFCNT_dec (req->fh2); |
675 | SvREFCNT_dec (req->sv2); |
|
|
676 | SvREFCNT_dec (req->sv3); |
|
|
677 | SvREFCNT_dec (req->sv4); |
418 | SvREFCNT_dec (req->callback); |
678 | SvREFCNT_dec (req->callback); |
419 | Safefree (req->statdata); |
|
|
420 | |
679 | |
421 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
422 | free (req->data2ptr); |
|
|
423 | |
|
|
424 | Safefree (req); |
680 | free (req); |
425 | } |
681 | } |
426 | |
682 | |
427 | static void req_cancel (aio_req req) |
683 | static void |
|
|
684 | req_cancel_subs (aio_req grp) |
428 | { |
685 | { |
429 | req->flags |= FLAG_CANCELLED; |
|
|
430 | |
|
|
431 | if (req->type == REQ_GROUP) |
686 | if (grp->type != EIO_GROUP) |
|
|
687 | return; |
|
|
688 | |
|
|
689 | SvREFCNT_dec (grp->sv2); |
|
|
690 | grp->sv2 = 0; |
|
|
691 | |
|
|
692 | eio_grp_cancel (grp); |
|
|
693 | } |
|
|
694 | |
|
|
695 | static void ecb_cold |
|
|
696 | create_respipe (void) |
|
|
697 | { |
|
|
698 | if (s_epipe_renew (&respipe)) |
|
|
699 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
700 | } |
|
|
701 | |
|
|
702 | static void |
|
|
703 | poll_wait (void) |
|
|
704 | { |
|
|
705 | while (eio_nreqs ()) |
432 | { |
706 | { |
433 | aio_req sub; |
707 | int size; |
434 | |
708 | |
435 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
709 | X_LOCK (EIO_POOL->reslock); |
436 | req_cancel (sub); |
710 | size = EIO_POOL->res_queue.size; |
|
|
711 | X_UNLOCK (EIO_POOL->reslock); |
|
|
712 | |
|
|
713 | if (size) |
|
|
714 | return; |
|
|
715 | |
|
|
716 | etp_maybe_start_thread (EIO_POOL); |
|
|
717 | |
|
|
718 | s_epipe_wait (&respipe); |
437 | } |
719 | } |
438 | } |
720 | } |
439 | |
721 | |
440 | static int poll_cb () |
722 | static int |
|
|
723 | poll_cb (void) |
441 | { |
724 | { |
442 | dSP; |
|
|
443 | int count = 0; |
|
|
444 | int do_croak = 0; |
|
|
445 | aio_req req; |
|
|
446 | |
|
|
447 | for (;;) |
725 | for (;;) |
448 | { |
726 | { |
449 | pthread_mutex_lock (&reslock); |
727 | int res = eio_poll (); |
450 | req = reqq_shift (&res_queue); |
|
|
451 | |
728 | |
452 | if (req) |
729 | if (res > 0) |
|
|
730 | croak (0); |
|
|
731 | |
|
|
732 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
733 | return res; |
|
|
734 | |
|
|
735 | poll_wait (); |
|
|
736 | } |
|
|
737 | } |
|
|
738 | |
|
|
739 | static void ecb_cold |
|
|
740 | reinit (void) |
|
|
741 | { |
|
|
742 | create_respipe (); |
|
|
743 | |
|
|
744 | if (eio_init (want_poll, done_poll) < 0) |
|
|
745 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
746 | } |
|
|
747 | |
|
|
748 | /*****************************************************************************/ |
|
|
749 | |
|
|
750 | #if !_POSIX_MAPPED_FILES |
|
|
751 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
752 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
753 | #endif |
|
|
754 | |
|
|
755 | #if !_POSIX_MEMORY_PROTECTION |
|
|
756 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
757 | #endif |
|
|
758 | |
|
|
759 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
760 | |
|
|
761 | static int ecb_cold |
|
|
762 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
763 | { |
|
|
764 | int old_errno = errno; |
|
|
765 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
766 | errno = old_errno; |
|
|
767 | |
|
|
768 | mg->mg_obj = 0; /* just in case */ |
|
|
769 | |
|
|
770 | SvREADONLY_off (sv); |
|
|
771 | |
|
|
772 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
773 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
774 | |
|
|
775 | SvCUR_set (sv, 0); |
|
|
776 | SvPVX (sv) = 0; |
|
|
777 | SvOK_off (sv); |
|
|
778 | |
|
|
779 | return 0; |
|
|
780 | } |
|
|
781 | |
|
|
782 | static MGVTBL mmap_vtbl = { |
|
|
783 | 0, 0, 0, 0, mmap_free |
|
|
784 | }; |
|
|
785 | |
|
|
786 | /*****************************************************************************/ |
|
|
787 | |
|
|
788 | static SV * |
|
|
789 | get_cb (SV *cb_sv) |
|
|
790 | { |
|
|
791 | SvGETMAGIC (cb_sv); |
|
|
792 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
793 | } |
|
|
794 | |
|
|
795 | static aio_req ecb_noinline |
|
|
796 | dreq (SV *callback) |
|
|
797 | { |
|
|
798 | SV *cb_cv; |
|
|
799 | aio_req req; |
|
|
800 | int req_pri = next_pri; |
|
|
801 | next_pri = EIO_PRI_DEFAULT; |
|
|
802 | |
|
|
803 | cb_cv = get_cb (callback); |
|
|
804 | |
|
|
805 | req = calloc (sizeof (*req), 1); |
|
|
806 | if (!req) |
|
|
807 | croak ("out of memory during eio_req allocation"); |
|
|
808 | |
|
|
809 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
810 | req->pri = req_pri; |
|
|
811 | |
|
|
812 | return req; |
|
|
813 | } |
|
|
814 | |
|
|
815 | #define dREQ \ |
|
|
816 | aio_req req = dreq (callback); \ |
|
|
817 | |
|
|
818 | #define REQ_SEND \ |
|
|
819 | PUTBACK; \ |
|
|
820 | req_submit (req); \ |
|
|
821 | SPAGAIN; \ |
|
|
822 | \ |
|
|
823 | if (GIMME_V != G_VOID) \ |
|
|
824 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
825 | |
|
|
826 | ecb_inline void |
|
|
827 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
828 | { |
|
|
829 | if (expect_false (SvROK (path))) |
|
|
830 | { |
|
|
831 | SV *rv = SvRV (path); |
|
|
832 | SV *wdob; |
|
|
833 | |
|
|
834 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
453 | { |
835 | { |
454 | if (!res_queue.size) |
836 | path = AvARRAY (rv)[1]; |
|
|
837 | wdob = AvARRAY (rv)[0]; |
|
|
838 | |
|
|
839 | if (SvOK (wdob)) |
455 | { |
840 | { |
456 | /* read any signals sent by the worker threads */ |
841 | *wd = SvAIO_WD (wdob); |
457 | char buf [32]; |
842 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
458 | while (read (respipe [0], buf, 32) == 32) |
|
|
459 | ; |
|
|
460 | } |
843 | } |
|
|
844 | else |
|
|
845 | *wd = EIO_INVALID_WD; |
461 | } |
846 | } |
462 | |
847 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
463 | pthread_mutex_unlock (&reslock); |
|
|
464 | |
|
|
465 | if (!req) |
|
|
466 | break; |
|
|
467 | |
|
|
468 | --nreqs; |
|
|
469 | |
|
|
470 | if (req->type == REQ_QUIT) |
|
|
471 | started--; |
|
|
472 | else if (req->type == REQ_GROUP && req->length) |
|
|
473 | { |
848 | { |
474 | req->fd = 1; /* mark request as delayed */ |
849 | *wd = (aio_wd)(long)SvIVX (rv); |
475 | continue; |
850 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
851 | *ptr = "."; |
|
|
852 | return; /* path set to "." */ |
476 | } |
853 | } |
477 | else |
854 | else |
478 | { |
855 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
479 | if (req->type == REQ_READ) |
|
|
480 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
481 | |
|
|
482 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
483 | SvREADONLY_off (req->data); |
|
|
484 | |
|
|
485 | if (req->statdata) |
|
|
486 | { |
|
|
487 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
488 | PL_laststatval = req->result; |
|
|
489 | PL_statcache = *(req->statdata); |
|
|
490 | } |
|
|
491 | |
|
|
492 | req_invoke (req); |
|
|
493 | |
|
|
494 | count++; |
|
|
495 | } |
|
|
496 | |
|
|
497 | req_free (req); |
|
|
498 | } |
856 | } |
499 | |
857 | |
500 | return count; |
858 | *pathsv = newSVsv (path); |
|
|
859 | *ptr = SvPVbyte_nolen (*pathsv); |
501 | } |
860 | } |
502 | |
861 | |
503 | static void *aio_proc(void *arg); |
862 | static void ecb_noinline |
504 | |
863 | req_set_path1 (aio_req req, SV *path) |
505 | static void start_thread (void) |
|
|
506 | { |
864 | { |
507 | sigset_t fullsigset, oldsigset; |
865 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
508 | pthread_t tid; |
|
|
509 | pthread_attr_t attr; |
|
|
510 | |
|
|
511 | pthread_attr_init (&attr); |
|
|
512 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
513 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
514 | |
|
|
515 | sigfillset (&fullsigset); |
|
|
516 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
517 | |
|
|
518 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
519 | started++; |
|
|
520 | |
|
|
521 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
522 | } |
866 | } |
523 | |
867 | |
524 | static void req_send (aio_req req) |
868 | static void ecb_noinline |
|
|
869 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
525 | { |
870 | { |
526 | while (started < wanted && nreqs >= started) |
871 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
527 | start_thread (); |
|
|
528 | |
872 | |
529 | ++nreqs; |
873 | switch (SvTYPE (rv)) |
530 | |
|
|
531 | pthread_mutex_lock (&reqlock); |
|
|
532 | reqq_push (&req_queue, req); |
|
|
533 | pthread_cond_signal (&reqwait); |
|
|
534 | pthread_mutex_unlock (&reqlock); |
|
|
535 | |
|
|
536 | if (nreqs > max_outstanding) |
|
|
537 | for (;;) |
|
|
538 | { |
|
|
539 | poll_cb (); |
|
|
540 | |
|
|
541 | if (nreqs <= max_outstanding) |
|
|
542 | break; |
|
|
543 | |
|
|
544 | poll_wait (); |
|
|
545 | } |
|
|
546 | } |
|
|
547 | |
|
|
548 | static void end_thread (void) |
|
|
549 | { |
|
|
550 | aio_req req; |
|
|
551 | |
|
|
552 | Newz (0, req, 1, aio_cb); |
|
|
553 | |
|
|
554 | req->type = REQ_QUIT; |
|
|
555 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
556 | |
|
|
557 | req_send (req); |
|
|
558 | } |
|
|
559 | |
|
|
560 | static void min_parallel (int nthreads) |
|
|
561 | { |
|
|
562 | if (wanted < nthreads) |
|
|
563 | wanted = nthreads; |
|
|
564 | } |
|
|
565 | |
|
|
566 | static void max_parallel (int nthreads) |
|
|
567 | { |
|
|
568 | int cur = started; |
|
|
569 | |
|
|
570 | if (wanted > nthreads) |
|
|
571 | wanted = nthreads; |
|
|
572 | |
|
|
573 | while (cur > wanted) |
|
|
574 | { |
874 | { |
575 | end_thread (); |
875 | case SVt_PVIO: |
576 | cur--; |
876 | case SVt_PVLV: |
|
|
877 | case SVt_PVGV: |
|
|
878 | req->type = type_fh; |
|
|
879 | req->sv1 = newSVsv (fh_or_path); |
|
|
880 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
881 | break; |
|
|
882 | |
|
|
883 | default: |
|
|
884 | req->type = type_path; |
|
|
885 | req_set_path1 (req, fh_or_path); |
|
|
886 | break; |
577 | } |
887 | } |
578 | |
|
|
579 | while (started > wanted) |
|
|
580 | { |
|
|
581 | poll_wait (); |
|
|
582 | poll_cb (); |
|
|
583 | } |
|
|
584 | } |
888 | } |
585 | |
889 | |
586 | static void create_pipe () |
890 | XS(boot_IO__AIO) ecb_cold; |
587 | { |
|
|
588 | if (pipe (respipe)) |
|
|
589 | croak ("unable to initialize result pipe"); |
|
|
590 | |
891 | |
591 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
892 | MODULE = IO::AIO PACKAGE = IO::AIO |
592 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
593 | |
893 | |
594 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
894 | PROTOTYPES: ENABLE |
595 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
596 | } |
|
|
597 | |
895 | |
598 | /*****************************************************************************/ |
896 | BOOT: |
599 | /* work around various missing functions */ |
|
|
600 | |
|
|
601 | #if !HAVE_PREADWRITE |
|
|
602 | # define pread aio_pread |
|
|
603 | # define pwrite aio_pwrite |
|
|
604 | |
|
|
605 | /* |
|
|
606 | * make our pread/pwrite safe against themselves, but not against |
|
|
607 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
608 | * but that's your problem, not mine. |
|
|
609 | */ |
|
|
610 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
611 | |
|
|
612 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
613 | { |
897 | { |
614 | ssize_t res; |
898 | static const struct { |
615 | off_t ooffset; |
899 | const char *name; |
|
|
900 | IV iv; |
|
|
901 | } *civ, const_iv[] = { |
|
|
902 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
903 | # define const_iv(name) { # name, (IV) name }, |
|
|
904 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
616 | |
905 | |
617 | pthread_mutex_lock (&preadwritelock); |
906 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
618 | ooffset = lseek (fd, 0, SEEK_CUR); |
907 | /* the first block can be undef if missing */ |
619 | lseek (fd, offset, SEEK_SET); |
908 | const_iv (ENOSYS) |
620 | res = read (fd, buf, count); |
909 | const_iv (EXDEV) |
621 | lseek (fd, ooffset, SEEK_SET); |
910 | const_iv (EBADR) |
622 | pthread_mutex_unlock (&preadwritelock); |
|
|
623 | |
911 | |
624 | return res; |
912 | /* for lseek */ |
625 | } |
913 | const_iv (SEEK_DATA) |
|
|
914 | const_iv (SEEK_HOLE) |
626 | |
915 | |
627 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
916 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
628 | { |
917 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
629 | ssize_t res; |
918 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
630 | off_t ooffset; |
919 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
920 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
921 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
631 | |
922 | |
632 | pthread_mutex_lock (&preadwritelock); |
923 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
633 | ooffset = lseek (fd, 0, SEEK_CUR); |
924 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
634 | lseek (fd, offset, SEEK_SET); |
925 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
635 | res = write (fd, buf, count); |
926 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
636 | lseek (fd, offset, SEEK_SET); |
927 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
637 | pthread_mutex_unlock (&preadwritelock); |
|
|
638 | |
928 | |
639 | return res; |
929 | /* the second block will be 0 when missing */ |
640 | } |
930 | const_iv (O_RDONLY) |
641 | #endif |
931 | const_iv (O_WRONLY) |
|
|
932 | const_iv (O_RDWR) |
|
|
933 | const_iv (O_CREAT) |
|
|
934 | const_iv (O_TRUNC) |
|
|
935 | const_iv (O_EXCL) |
|
|
936 | const_iv (O_APPEND) |
642 | |
937 | |
643 | #if !HAVE_FDATASYNC |
938 | const_iv (O_ASYNC) |
644 | # define fdatasync fsync |
939 | const_iv (O_DIRECT) |
645 | #endif |
940 | const_iv (O_NOATIME) |
646 | |
941 | |
647 | #if !HAVE_READAHEAD |
942 | const_iv (O_CLOEXEC) |
648 | # define readahead aio_readahead |
943 | const_iv (O_NOCTTY) |
|
|
944 | const_iv (O_NOFOLLOW) |
|
|
945 | const_iv (O_NONBLOCK) |
|
|
946 | const_iv (O_EXEC) |
|
|
947 | const_iv (O_SEARCH) |
|
|
948 | const_iv (O_DIRECTORY) |
|
|
949 | const_iv (O_DSYNC) |
|
|
950 | const_iv (O_RSYNC) |
|
|
951 | const_iv (O_SYNC) |
|
|
952 | const_iv (O_PATH) |
|
|
953 | const_iv (O_TMPFILE) |
|
|
954 | const_iv (O_TTY_INIT) |
649 | |
955 | |
650 | static ssize_t readahead (int fd, off_t offset, size_t count) |
956 | const_iv (S_IFIFO) |
651 | { |
957 | const_iv (S_IFCHR) |
652 | dBUF; |
958 | const_iv (S_IFBLK) |
|
|
959 | const_iv (S_IFLNK) |
|
|
960 | const_iv (S_IFREG) |
|
|
961 | const_iv (S_IFDIR) |
|
|
962 | const_iv (S_IFWHT) |
|
|
963 | const_iv (S_IFSOCK) |
|
|
964 | const_iv (S_IFMT) |
653 | |
965 | |
654 | while (count > 0) |
966 | const_iv (ST_RDONLY) |
655 | { |
967 | const_iv (ST_NOSUID) |
656 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
968 | const_iv (ST_NODEV) |
|
|
969 | const_iv (ST_NOEXEC) |
|
|
970 | const_iv (ST_SYNCHRONOUS) |
|
|
971 | const_iv (ST_MANDLOCK) |
|
|
972 | const_iv (ST_WRITE) |
|
|
973 | const_iv (ST_APPEND) |
|
|
974 | const_iv (ST_IMMUTABLE) |
|
|
975 | const_iv (ST_NOATIME) |
|
|
976 | const_iv (ST_NODIRATIME) |
|
|
977 | const_iv (ST_RELATIME) |
657 | |
978 | |
658 | pread (fd, aio_buf, len, offset); |
979 | const_iv (PROT_NONE) |
659 | offset += len; |
980 | const_iv (PROT_EXEC) |
660 | count -= len; |
981 | const_iv (PROT_READ) |
661 | } |
982 | const_iv (PROT_WRITE) |
662 | |
983 | |
663 | fBUF; |
984 | const_iv (MAP_PRIVATE) |
|
|
985 | const_iv (MAP_SHARED) |
|
|
986 | const_iv (MAP_FIXED) |
|
|
987 | const_iv (MAP_ANONYMOUS) |
664 | |
988 | |
665 | errno = 0; |
989 | /* linuxish */ |
666 | } |
990 | const_iv (MAP_LOCKED) |
667 | #endif |
991 | const_iv (MAP_NORESERVE) |
|
|
992 | const_iv (MAP_POPULATE) |
|
|
993 | const_iv (MAP_NONBLOCK) |
|
|
994 | const_iv (MAP_GROWSDOWN) |
|
|
995 | const_iv (MAP_32BIT) |
|
|
996 | const_iv (MAP_HUGETLB) |
|
|
997 | const_iv (MAP_STACK) |
668 | |
998 | |
669 | #if !HAVE_READDIR_R |
999 | const_iv (FIEMAP_FLAG_SYNC) |
670 | # define readdir_r aio_readdir_r |
1000 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1001 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1002 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1003 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1004 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1005 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1006 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1007 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1008 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1009 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1010 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1011 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1012 | const_iv (FIEMAP_EXTENT_SHARED) |
671 | |
1013 | |
672 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
1014 | const_iv (SPLICE_F_MOVE) |
673 | |
1015 | const_iv (SPLICE_F_NONBLOCK) |
674 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
1016 | const_iv (SPLICE_F_MORE) |
675 | { |
1017 | const_iv (SPLICE_F_GIFT) |
676 | struct dirent *e; |
|
|
677 | int errorno; |
|
|
678 | |
1018 | |
679 | pthread_mutex_lock (&readdirlock); |
1019 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1020 | const_eio (SEEK_SET) |
|
|
1021 | const_eio (SEEK_CUR) |
|
|
1022 | const_eio (SEEK_END) |
680 | |
1023 | |
681 | e = readdir (dirp); |
1024 | const_eio (MCL_FUTURE) |
682 | errorno = errno; |
1025 | const_eio (MCL_CURRENT) |
683 | |
1026 | |
684 | if (e) |
1027 | const_eio (MS_ASYNC) |
685 | { |
1028 | const_eio (MS_INVALIDATE) |
686 | *res = ent; |
1029 | const_eio (MS_SYNC) |
687 | strcpy (ent->d_name, e->d_name); |
|
|
688 | } |
|
|
689 | else |
|
|
690 | *res = 0; |
|
|
691 | |
1030 | |
692 | pthread_mutex_unlock (&readdirlock); |
1031 | const_eio (MT_MODIFY) |
693 | |
1032 | |
694 | errno = errorno; |
1033 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
695 | return e ? 0 : -1; |
1034 | const_eio (SYNC_FILE_RANGE_WRITE) |
696 | } |
1035 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
697 | #endif |
|
|
698 | |
1036 | |
699 | /* sendfile always needs emulation */ |
1037 | const_eio (FALLOC_FL_KEEP_SIZE) |
700 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
1038 | const_eio (FALLOC_FL_PUNCH_HOLE) |
701 | { |
1039 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
702 | ssize_t res; |
1040 | const_eio (FALLOC_FL_ZERO_RANGE) |
703 | |
1041 | |
704 | if (!count) |
1042 | const_eio (READDIR_DENTS) |
705 | return 0; |
1043 | const_eio (READDIR_DIRS_FIRST) |
|
|
1044 | const_eio (READDIR_STAT_ORDER) |
|
|
1045 | const_eio (READDIR_FOUND_UNKNOWN) |
706 | |
1046 | |
707 | #if HAVE_SENDFILE |
1047 | const_eio (DT_UNKNOWN) |
708 | # if __linux |
1048 | const_eio (DT_FIFO) |
709 | res = sendfile (ofd, ifd, &offset, count); |
1049 | const_eio (DT_CHR) |
710 | |
1050 | const_eio (DT_DIR) |
711 | # elif __freebsd |
1051 | const_eio (DT_BLK) |
712 | /* |
1052 | const_eio (DT_REG) |
713 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
1053 | const_eio (DT_LNK) |
714 | * wasted on making it similar to other I/O functions. |
1054 | const_eio (DT_SOCK) |
715 | */ |
1055 | const_eio (DT_WHT) |
716 | { |
|
|
717 | off_t sbytes; |
|
|
718 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
719 | |
|
|
720 | if (res < 0 && sbytes) |
|
|
721 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
722 | res = sbytes; |
|
|
723 | } |
1056 | }; |
724 | |
1057 | |
725 | # elif __hpux |
1058 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
726 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
1059 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1060 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1061 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
727 | |
1062 | |
728 | # elif __solaris |
1063 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
729 | { |
1064 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
730 | struct sendfilevec vec; |
|
|
731 | size_t sbytes; |
|
|
732 | |
1065 | |
733 | vec.sfv_fd = ifd; |
1066 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
734 | vec.sfv_flag = 0; |
|
|
735 | vec.sfv_off = offset; |
|
|
736 | vec.sfv_len = count; |
|
|
737 | |
1067 | |
738 | res = sendfilev (ofd, &vec, 1, &sbytes); |
1068 | reinit (); |
|
|
1069 | } |
739 | |
1070 | |
740 | if (res < 0 && sbytes) |
1071 | void |
|
|
1072 | reinit () |
|
|
1073 | PROTOTYPE: |
|
|
1074 | |
|
|
1075 | void |
|
|
1076 | max_poll_reqs (unsigned int nreqs) |
|
|
1077 | PROTOTYPE: $ |
|
|
1078 | CODE: |
|
|
1079 | eio_set_max_poll_reqs (nreqs); |
|
|
1080 | |
|
|
1081 | void |
|
|
1082 | max_poll_time (double nseconds) |
|
|
1083 | PROTOTYPE: $ |
|
|
1084 | CODE: |
|
|
1085 | eio_set_max_poll_time (nseconds); |
|
|
1086 | |
|
|
1087 | void |
|
|
1088 | min_parallel (unsigned int nthreads) |
|
|
1089 | PROTOTYPE: $ |
|
|
1090 | CODE: |
|
|
1091 | eio_set_min_parallel (nthreads); |
|
|
1092 | |
|
|
1093 | void |
|
|
1094 | max_parallel (unsigned int nthreads) |
|
|
1095 | PROTOTYPE: $ |
|
|
1096 | CODE: |
|
|
1097 | eio_set_max_parallel (nthreads); |
|
|
1098 | |
|
|
1099 | void |
|
|
1100 | max_idle (unsigned int nthreads) |
|
|
1101 | PROTOTYPE: $ |
|
|
1102 | CODE: |
|
|
1103 | eio_set_max_idle (nthreads); |
|
|
1104 | |
|
|
1105 | void |
|
|
1106 | idle_timeout (unsigned int seconds) |
|
|
1107 | PROTOTYPE: $ |
|
|
1108 | CODE: |
|
|
1109 | eio_set_idle_timeout (seconds); |
|
|
1110 | |
|
|
1111 | void |
|
|
1112 | max_outstanding (unsigned int maxreqs) |
|
|
1113 | PROTOTYPE: $ |
|
|
1114 | CODE: |
|
|
1115 | max_outstanding = maxreqs; |
|
|
1116 | |
|
|
1117 | void |
|
|
1118 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1119 | PPCODE: |
|
|
1120 | { |
|
|
1121 | dREQ; |
|
|
1122 | |
|
|
1123 | req->type = EIO_WD_OPEN; |
|
|
1124 | req_set_path1 (req, pathname); |
|
|
1125 | |
|
|
1126 | REQ_SEND; |
|
|
1127 | } |
|
|
1128 | |
|
|
1129 | void |
|
|
1130 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1131 | PPCODE: |
|
|
1132 | { |
|
|
1133 | dREQ; |
|
|
1134 | |
|
|
1135 | req->type = EIO_OPEN; |
|
|
1136 | req_set_path1 (req, pathname); |
|
|
1137 | req->int1 = flags; |
|
|
1138 | req->int2 = mode; |
|
|
1139 | |
|
|
1140 | REQ_SEND; |
|
|
1141 | } |
|
|
1142 | |
|
|
1143 | void |
|
|
1144 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1145 | ALIAS: |
|
|
1146 | aio_fsync = EIO_FSYNC |
|
|
1147 | aio_fdatasync = EIO_FDATASYNC |
|
|
1148 | aio_syncfs = EIO_SYNCFS |
|
|
1149 | PPCODE: |
|
|
1150 | { |
|
|
1151 | int fd = s_fileno_croak (fh, 0); |
|
|
1152 | dREQ; |
|
|
1153 | |
|
|
1154 | req->type = ix; |
|
|
1155 | req->sv1 = newSVsv (fh); |
|
|
1156 | req->int1 = fd; |
|
|
1157 | |
|
|
1158 | REQ_SEND; |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | void |
|
|
1162 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1163 | PPCODE: |
|
|
1164 | { |
|
|
1165 | int fd = s_fileno_croak (fh, 0); |
|
|
1166 | dREQ; |
|
|
1167 | |
|
|
1168 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1169 | req->sv1 = newSVsv (fh); |
|
|
1170 | req->int1 = fd; |
|
|
1171 | req->offs = offset; |
741 | res = sbytes; |
1172 | req->size = nbytes; |
742 | } |
1173 | req->int2 = flags; |
743 | |
1174 | |
744 | # endif |
1175 | REQ_SEND; |
|
|
1176 | } |
|
|
1177 | |
|
|
1178 | void |
|
|
1179 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1180 | PPCODE: |
|
|
1181 | { |
|
|
1182 | int fd = s_fileno_croak (fh, 0); |
|
|
1183 | dREQ; |
|
|
1184 | |
|
|
1185 | req->type = EIO_FALLOCATE; |
|
|
1186 | req->sv1 = newSVsv (fh); |
|
|
1187 | req->int1 = fd; |
|
|
1188 | req->int2 = mode; |
|
|
1189 | req->offs = offset; |
|
|
1190 | req->size = len; |
|
|
1191 | |
|
|
1192 | REQ_SEND; |
|
|
1193 | } |
|
|
1194 | |
|
|
1195 | void |
|
|
1196 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1197 | PPCODE: |
|
|
1198 | { |
|
|
1199 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1200 | int fd = s_fileno_croak (fh, 0); |
|
|
1201 | dREQ; |
|
|
1202 | |
|
|
1203 | if (expect_false (close_fd < 0)) |
|
|
1204 | { |
|
|
1205 | int pipefd [2]; |
|
|
1206 | |
|
|
1207 | if ( |
|
|
1208 | #ifdef _WIN32 |
|
|
1209 | _pipe (pipefd, 1, _O_BINARY) < 0 |
745 | #else |
1210 | #else |
746 | res = -1; |
1211 | pipe (pipefd) < 0 |
747 | errno = ENOSYS; |
1212 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
748 | #endif |
1213 | #endif |
749 | |
1214 | || close (pipefd [1]) < 0 |
750 | if (res < 0 |
|
|
751 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
752 | #if __solaris |
|
|
753 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
754 | #endif |
|
|
755 | ) |
|
|
756 | ) |
|
|
757 | { |
|
|
758 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
759 | dBUF; |
|
|
760 | |
|
|
761 | res = 0; |
|
|
762 | |
|
|
763 | while (count) |
|
|
764 | { |
|
|
765 | ssize_t cnt; |
|
|
766 | |
|
|
767 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
768 | |
|
|
769 | if (cnt <= 0) |
|
|
770 | { |
1215 | ) |
771 | if (cnt && !res) res = -1; |
1216 | abort (); /*D*/ |
772 | break; |
|
|
773 | } |
|
|
774 | |
1217 | |
775 | cnt = write (ofd, aio_buf, cnt); |
1218 | close_fd = pipefd [0]; |
776 | |
|
|
777 | if (cnt <= 0) |
|
|
778 | { |
|
|
779 | if (cnt && !res) res = -1; |
|
|
780 | break; |
|
|
781 | } |
|
|
782 | |
|
|
783 | offset += cnt; |
|
|
784 | res += cnt; |
|
|
785 | count -= cnt; |
|
|
786 | } |
|
|
787 | |
|
|
788 | fBUF; |
|
|
789 | } |
|
|
790 | |
|
|
791 | return res; |
|
|
792 | } |
|
|
793 | |
|
|
794 | /* read a full directory */ |
|
|
795 | static int scandir_ (const char *path, void **namesp) |
|
|
796 | { |
|
|
797 | DIR *dirp; |
|
|
798 | union |
|
|
799 | { |
|
|
800 | struct dirent d; |
|
|
801 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
802 | } *u; |
|
|
803 | struct dirent *entp; |
|
|
804 | char *name, *names; |
|
|
805 | int memlen = 4096; |
|
|
806 | int memofs = 0; |
|
|
807 | int res = 0; |
|
|
808 | int errorno; |
|
|
809 | |
|
|
810 | dirp = opendir (path); |
|
|
811 | if (!dirp) |
|
|
812 | return -1; |
|
|
813 | |
|
|
814 | u = malloc (sizeof (*u)); |
|
|
815 | names = malloc (memlen); |
|
|
816 | |
|
|
817 | if (u && names) |
|
|
818 | for (;;) |
|
|
819 | { |
|
|
820 | errno = 0; |
|
|
821 | readdir_r (dirp, &u->d, &entp); |
|
|
822 | |
|
|
823 | if (!entp) |
|
|
824 | break; |
|
|
825 | |
|
|
826 | name = entp->d_name; |
|
|
827 | |
|
|
828 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
829 | { |
|
|
830 | int len = strlen (name) + 1; |
|
|
831 | |
|
|
832 | res++; |
|
|
833 | |
|
|
834 | while (memofs + len > memlen) |
|
|
835 | { |
|
|
836 | memlen *= 2; |
|
|
837 | names = realloc (names, memlen); |
|
|
838 | if (!names) |
|
|
839 | break; |
|
|
840 | } |
|
|
841 | |
|
|
842 | memcpy (names + memofs, name, len); |
|
|
843 | memofs += len; |
|
|
844 | } |
1219 | } |
845 | } |
|
|
846 | |
1220 | |
847 | errorno = errno; |
1221 | req->type = EIO_DUP2; |
848 | free (u); |
1222 | req->int1 = close_fd; |
849 | closedir (dirp); |
1223 | req->sv2 = newSVsv (fh); |
|
|
1224 | req->int2 = fd; |
850 | |
1225 | |
851 | if (errorno) |
1226 | REQ_SEND; |
852 | { |
|
|
853 | free (names); |
|
|
854 | errno = errorno; |
|
|
855 | res = -1; |
|
|
856 | } |
|
|
857 | |
|
|
858 | *namesp = (void *)names; |
|
|
859 | return res; |
|
|
860 | } |
1227 | } |
861 | |
1228 | |
862 | /*****************************************************************************/ |
|
|
863 | |
|
|
864 | static void *aio_proc (void *thr_arg) |
|
|
865 | { |
|
|
866 | aio_req req; |
|
|
867 | int type; |
|
|
868 | |
|
|
869 | do |
|
|
870 | { |
|
|
871 | pthread_mutex_lock (&reqlock); |
|
|
872 | |
|
|
873 | for (;;) |
|
|
874 | { |
|
|
875 | req = reqq_shift (&req_queue); |
|
|
876 | |
|
|
877 | if (req) |
|
|
878 | break; |
|
|
879 | |
|
|
880 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
881 | } |
|
|
882 | |
|
|
883 | pthread_mutex_unlock (&reqlock); |
|
|
884 | |
|
|
885 | errno = 0; /* strictly unnecessary */ |
|
|
886 | type = req->type; /* remember type for QUIT check */ |
|
|
887 | |
|
|
888 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
889 | switch (type) |
|
|
890 | { |
|
|
891 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
892 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
893 | |
|
|
894 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
895 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
896 | |
|
|
897 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
898 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
899 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
900 | |
|
|
901 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
902 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
903 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
904 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
905 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
906 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
907 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
908 | |
|
|
909 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
910 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
911 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
912 | |
|
|
913 | case REQ_BUSY: |
|
|
914 | { |
|
|
915 | struct timeval tv; |
|
|
916 | |
|
|
917 | tv.tv_sec = req->fd; |
|
|
918 | tv.tv_usec = req->fd2; |
|
|
919 | |
|
|
920 | req->result = select (0, 0, 0, 0, &tv); |
|
|
921 | } |
|
|
922 | |
|
|
923 | case REQ_GROUP: |
|
|
924 | case REQ_NOP: |
|
|
925 | case REQ_QUIT: |
|
|
926 | break; |
|
|
927 | |
|
|
928 | default: |
|
|
929 | req->result = ENOSYS; |
|
|
930 | break; |
|
|
931 | } |
|
|
932 | |
|
|
933 | req->errorno = errno; |
|
|
934 | |
|
|
935 | pthread_mutex_lock (&reslock); |
|
|
936 | |
|
|
937 | if (!reqq_push (&res_queue, req)) |
|
|
938 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
939 | write (respipe [1], &respipe, 1); |
|
|
940 | |
|
|
941 | pthread_mutex_unlock (&reslock); |
|
|
942 | } |
|
|
943 | while (type != REQ_QUIT); |
|
|
944 | |
|
|
945 | return 0; |
|
|
946 | } |
|
|
947 | |
|
|
948 | /*****************************************************************************/ |
|
|
949 | |
|
|
950 | static void atfork_prepare (void) |
|
|
951 | { |
|
|
952 | pthread_mutex_lock (&reqlock); |
|
|
953 | pthread_mutex_lock (&reslock); |
|
|
954 | #if !HAVE_PREADWRITE |
|
|
955 | pthread_mutex_lock (&preadwritelock); |
|
|
956 | #endif |
|
|
957 | #if !HAVE_READDIR_R |
|
|
958 | pthread_mutex_lock (&readdirlock); |
|
|
959 | #endif |
|
|
960 | } |
|
|
961 | |
|
|
962 | static void atfork_parent (void) |
|
|
963 | { |
|
|
964 | #if !HAVE_READDIR_R |
|
|
965 | pthread_mutex_unlock (&readdirlock); |
|
|
966 | #endif |
|
|
967 | #if !HAVE_PREADWRITE |
|
|
968 | pthread_mutex_unlock (&preadwritelock); |
|
|
969 | #endif |
|
|
970 | pthread_mutex_unlock (&reslock); |
|
|
971 | pthread_mutex_unlock (&reqlock); |
|
|
972 | } |
|
|
973 | |
|
|
974 | static void atfork_child (void) |
|
|
975 | { |
|
|
976 | aio_req prv; |
|
|
977 | |
|
|
978 | started = 0; |
|
|
979 | |
|
|
980 | while (prv = reqq_shift (&req_queue)) |
|
|
981 | req_free (prv); |
|
|
982 | |
|
|
983 | while (prv = reqq_shift (&res_queue)) |
|
|
984 | req_free (prv); |
|
|
985 | |
|
|
986 | close (respipe [0]); |
|
|
987 | close (respipe [1]); |
|
|
988 | create_pipe (); |
|
|
989 | |
|
|
990 | atfork_parent (); |
|
|
991 | } |
|
|
992 | |
|
|
993 | #define dREQ \ |
|
|
994 | aio_req req; \ |
|
|
995 | int req_pri = next_pri; \ |
|
|
996 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
997 | \ |
|
|
998 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
999 | croak ("callback must be undef or of reference type"); \ |
|
|
1000 | \ |
|
|
1001 | Newz (0, req, 1, aio_cb); \ |
|
|
1002 | if (!req) \ |
|
|
1003 | croak ("out of memory during aio_req allocation"); \ |
|
|
1004 | \ |
|
|
1005 | req->callback = newSVsv (callback); \ |
|
|
1006 | req->pri = req_pri |
|
|
1007 | |
|
|
1008 | #define REQ_SEND \ |
|
|
1009 | req_send (req); \ |
|
|
1010 | \ |
|
|
1011 | if (GIMME_V != G_VOID) \ |
|
|
1012 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1013 | |
|
|
1014 | MODULE = IO::AIO PACKAGE = IO::AIO |
|
|
1015 | |
|
|
1016 | PROTOTYPES: ENABLE |
|
|
1017 | |
|
|
1018 | BOOT: |
|
|
1019 | { |
|
|
1020 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1021 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
1022 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
1023 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1024 | |
|
|
1025 | create_pipe (); |
|
|
1026 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1027 | } |
|
|
1028 | |
|
|
1029 | void |
1229 | void |
1030 | min_parallel (nthreads) |
1230 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
1031 | int nthreads |
|
|
1032 | PROTOTYPE: $ |
|
|
1033 | |
|
|
1034 | void |
|
|
1035 | max_parallel (nthreads) |
|
|
1036 | int nthreads |
|
|
1037 | PROTOTYPE: $ |
|
|
1038 | |
|
|
1039 | int |
|
|
1040 | max_outstanding (nreqs) |
|
|
1041 | int nreqs |
|
|
1042 | PROTOTYPE: $ |
|
|
1043 | CODE: |
1231 | PPCODE: |
1044 | RETVAL = max_outstanding; |
|
|
1045 | max_outstanding = nreqs; |
|
|
1046 | |
|
|
1047 | void |
|
|
1048 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
|
|
1049 | SV * pathname |
|
|
1050 | int flags |
|
|
1051 | int mode |
|
|
1052 | SV * callback |
|
|
1053 | PROTOTYPE: $$$;$ |
|
|
1054 | PPCODE: |
|
|
1055 | { |
1232 | { |
|
|
1233 | int fd = s_fileno_croak (fh, 0); |
1056 | dREQ; |
1234 | dREQ; |
1057 | |
1235 | |
1058 | req->type = REQ_OPEN; |
1236 | req->type = EIO_SEEK; |
1059 | req->data = newSVsv (pathname); |
1237 | req->sv1 = newSVsv (fh); |
1060 | req->dataptr = SvPVbyte_nolen (req->data); |
1238 | req->int1 = fd; |
1061 | req->fd = flags; |
1239 | req->offs = SvVAL64 (offset); |
1062 | req->mode = mode; |
1240 | req->int2 = whence; |
1063 | |
1241 | |
1064 | REQ_SEND; |
1242 | REQ_SEND; |
1065 | } |
1243 | } |
1066 | |
1244 | |
1067 | void |
1245 | void |
1068 | aio_close (fh,callback=&PL_sv_undef) |
1246 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1069 | SV * fh |
|
|
1070 | SV * callback |
|
|
1071 | PROTOTYPE: $;$ |
|
|
1072 | ALIAS: |
1247 | ALIAS: |
1073 | aio_close = REQ_CLOSE |
|
|
1074 | aio_fsync = REQ_FSYNC |
|
|
1075 | aio_fdatasync = REQ_FDATASYNC |
|
|
1076 | PPCODE: |
|
|
1077 | { |
|
|
1078 | dREQ; |
|
|
1079 | |
|
|
1080 | req->type = ix; |
|
|
1081 | req->fh = newSVsv (fh); |
|
|
1082 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1083 | |
|
|
1084 | REQ_SEND (req); |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | void |
|
|
1088 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
|
|
1089 | SV * fh |
|
|
1090 | UV offset |
|
|
1091 | UV length |
|
|
1092 | SV * data |
|
|
1093 | UV dataoffset |
|
|
1094 | SV * callback |
|
|
1095 | ALIAS: |
|
|
1096 | aio_read = REQ_READ |
1248 | aio_read = EIO_READ |
1097 | aio_write = REQ_WRITE |
1249 | aio_write = EIO_WRITE |
1098 | PROTOTYPE: $$$$$;$ |
|
|
1099 | PPCODE: |
1250 | PPCODE: |
1100 | { |
1251 | { |
1101 | aio_req req; |
|
|
1102 | STRLEN svlen; |
1252 | STRLEN svlen; |
|
|
1253 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1103 | char *svptr = SvPVbyte (data, svlen); |
1254 | char *svptr = SvPVbyte (data, svlen); |
1104 | |
1255 | UV len = SvUV (length); |
1105 | SvUPGRADE (data, SVt_PV); |
|
|
1106 | SvPOK_on (data); |
|
|
1107 | |
1256 | |
1108 | if (dataoffset < 0) |
1257 | if (dataoffset < 0) |
1109 | dataoffset += svlen; |
1258 | dataoffset += svlen; |
1110 | |
1259 | |
1111 | if (dataoffset < 0 || dataoffset > svlen) |
1260 | if (dataoffset < 0 || dataoffset > svlen) |
1112 | croak ("data offset outside of string"); |
1261 | croak ("dataoffset outside of data scalar"); |
1113 | |
1262 | |
1114 | if (ix == REQ_WRITE) |
1263 | if (ix == EIO_WRITE) |
1115 | { |
1264 | { |
1116 | /* write: check length and adjust. */ |
1265 | /* write: check length and adjust. */ |
1117 | if (length < 0 || length + dataoffset > svlen) |
1266 | if (!SvOK (length) || len + dataoffset > svlen) |
1118 | length = svlen - dataoffset; |
1267 | len = svlen - dataoffset; |
1119 | } |
1268 | } |
1120 | else |
1269 | else |
1121 | { |
1270 | { |
1122 | /* read: grow scalar as necessary */ |
1271 | /* read: check type and grow scalar as necessary */ |
|
|
1272 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1123 | svptr = SvGROW (data, length + dataoffset); |
1273 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1274 | else if (SvCUR (data) < len + dataoffset) |
|
|
1275 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1124 | } |
1276 | } |
1125 | |
|
|
1126 | if (length < 0) |
|
|
1127 | croak ("length must not be negative"); |
|
|
1128 | |
1277 | |
1129 | { |
1278 | { |
1130 | dREQ; |
1279 | dREQ; |
1131 | |
1280 | |
1132 | req->type = ix; |
1281 | req->type = ix; |
1133 | req->fh = newSVsv (fh); |
1282 | req->sv1 = newSVsv (fh); |
1134 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1283 | req->int1 = fd; |
1135 | : IoOFP (sv_2io (fh))); |
1284 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1136 | req->offset = offset; |
1285 | req->size = len; |
1137 | req->length = length; |
|
|
1138 | req->data = SvREFCNT_inc (data); |
1286 | req->sv2 = SvREFCNT_inc (data); |
1139 | req->dataptr = (char *)svptr + dataoffset; |
1287 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1288 | req->stroffset = dataoffset; |
1140 | |
1289 | |
1141 | if (!SvREADONLY (data)) |
1290 | if (!SvREADONLY (data)) |
1142 | { |
1291 | { |
1143 | SvREADONLY_on (data); |
1292 | SvREADONLY_on (data); |
1144 | req->data2ptr = (void *)data; |
1293 | req->flags |= FLAG_SV2_RO_OFF; |
1145 | } |
1294 | } |
1146 | |
1295 | |
1147 | REQ_SEND; |
1296 | REQ_SEND; |
1148 | } |
1297 | } |
1149 | } |
1298 | } |
1150 | |
1299 | |
1151 | void |
1300 | void |
1152 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1301 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1153 | SV * out_fh |
1302 | ALIAS: |
1154 | SV * in_fh |
1303 | aio_ioctl = EIO_IOCTL |
1155 | UV in_offset |
1304 | aio_fcntl = EIO_FCNTL |
1156 | UV length |
|
|
1157 | SV * callback |
|
|
1158 | PROTOTYPE: $$$$;$ |
|
|
1159 | PPCODE: |
1305 | PPCODE: |
1160 | { |
1306 | { |
1161 | dREQ; |
1307 | int fd = s_fileno_croak (fh, 0); |
|
|
1308 | char *svptr; |
1162 | |
1309 | |
1163 | req->type = REQ_SENDFILE; |
1310 | if (SvPOK (arg) || !SvNIOK (arg)) |
1164 | req->fh = newSVsv (out_fh); |
|
|
1165 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1166 | req->fh2 = newSVsv (in_fh); |
|
|
1167 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1168 | req->offset = in_offset; |
|
|
1169 | req->length = length; |
|
|
1170 | |
|
|
1171 | REQ_SEND; |
|
|
1172 | } |
|
|
1173 | |
|
|
1174 | void |
|
|
1175 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
|
|
1176 | SV * fh |
|
|
1177 | UV offset |
|
|
1178 | IV length |
|
|
1179 | SV * callback |
|
|
1180 | PROTOTYPE: $$$;$ |
|
|
1181 | PPCODE: |
|
|
1182 | { |
|
|
1183 | dREQ; |
|
|
1184 | |
|
|
1185 | req->type = REQ_READAHEAD; |
|
|
1186 | req->fh = newSVsv (fh); |
|
|
1187 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1188 | req->offset = offset; |
|
|
1189 | req->length = length; |
|
|
1190 | |
|
|
1191 | REQ_SEND; |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | void |
|
|
1195 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
|
|
1196 | SV * fh_or_path |
|
|
1197 | SV * callback |
|
|
1198 | ALIAS: |
|
|
1199 | aio_stat = REQ_STAT |
|
|
1200 | aio_lstat = REQ_LSTAT |
|
|
1201 | PPCODE: |
|
|
1202 | { |
|
|
1203 | dREQ; |
|
|
1204 | |
|
|
1205 | New (0, req->statdata, 1, Stat_t); |
|
|
1206 | if (!req->statdata) |
|
|
1207 | { |
1311 | { |
1208 | req_free (req); |
1312 | STRLEN svlen; |
1209 | croak ("out of memory during aio_req->statdata allocation"); |
1313 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1210 | } |
1314 | #ifdef IOCPARM_LEN |
|
|
1315 | STRLEN need = IOCPARM_LEN (request); |
|
|
1316 | #else |
|
|
1317 | STRLEN need = 256; |
|
|
1318 | #endif |
1211 | |
1319 | |
1212 | if (SvPOK (fh_or_path)) |
1320 | if (svlen < need) |
1213 | { |
1321 | svptr = SvGROW (arg, need); |
1214 | req->type = ix; |
|
|
1215 | req->data = newSVsv (fh_or_path); |
|
|
1216 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1217 | } |
1322 | } |
1218 | else |
1323 | else |
|
|
1324 | svptr = (char *)SvIV (arg); |
|
|
1325 | |
1219 | { |
1326 | { |
|
|
1327 | dREQ; |
|
|
1328 | |
1220 | req->type = REQ_FSTAT; |
1329 | req->type = ix; |
1221 | req->fh = newSVsv (fh_or_path); |
1330 | req->sv1 = newSVsv (fh); |
1222 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1331 | req->int1 = fd; |
|
|
1332 | req->int2 = (long)request; |
|
|
1333 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1334 | req->ptr2 = svptr; |
|
|
1335 | |
|
|
1336 | REQ_SEND; |
1223 | } |
1337 | } |
|
|
1338 | } |
|
|
1339 | |
|
|
1340 | void |
|
|
1341 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1342 | ALIAS: |
|
|
1343 | aio_readlink = EIO_READLINK |
|
|
1344 | aio_realpath = EIO_REALPATH |
|
|
1345 | PPCODE: |
|
|
1346 | { |
|
|
1347 | dREQ; |
|
|
1348 | |
|
|
1349 | req->type = ix; |
|
|
1350 | req_set_path1 (req, pathname); |
1224 | |
1351 | |
1225 | REQ_SEND; |
1352 | REQ_SEND; |
1226 | } |
1353 | } |
1227 | |
1354 | |
1228 | void |
1355 | void |
1229 | aio_unlink (pathname,callback=&PL_sv_undef) |
1356 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1230 | SV * pathname |
1357 | PPCODE: |
1231 | SV * callback |
1358 | { |
|
|
1359 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1360 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1361 | dREQ; |
|
|
1362 | |
|
|
1363 | req->type = EIO_SENDFILE; |
|
|
1364 | req->sv1 = newSVsv (out_fh); |
|
|
1365 | req->int1 = ofd; |
|
|
1366 | req->sv2 = newSVsv (in_fh); |
|
|
1367 | req->int2 = ifd; |
|
|
1368 | req->offs = in_offset; |
|
|
1369 | req->size = length; |
|
|
1370 | |
|
|
1371 | REQ_SEND; |
|
|
1372 | } |
|
|
1373 | |
|
|
1374 | void |
|
|
1375 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1376 | PPCODE: |
|
|
1377 | { |
|
|
1378 | int fd = s_fileno_croak (fh, 0); |
|
|
1379 | dREQ; |
|
|
1380 | |
|
|
1381 | req->type = EIO_READAHEAD; |
|
|
1382 | req->sv1 = newSVsv (fh); |
|
|
1383 | req->int1 = fd; |
|
|
1384 | req->offs = offset; |
|
|
1385 | req->size = length; |
|
|
1386 | |
|
|
1387 | REQ_SEND; |
|
|
1388 | } |
|
|
1389 | |
|
|
1390 | void |
|
|
1391 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1232 | ALIAS: |
1392 | ALIAS: |
|
|
1393 | aio_stat = EIO_STAT |
|
|
1394 | aio_lstat = EIO_LSTAT |
|
|
1395 | aio_statvfs = EIO_STATVFS |
|
|
1396 | PPCODE: |
|
|
1397 | { |
|
|
1398 | dREQ; |
|
|
1399 | |
|
|
1400 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1401 | |
|
|
1402 | REQ_SEND; |
|
|
1403 | } |
|
|
1404 | |
|
|
1405 | UV |
|
|
1406 | major (UV dev) |
|
|
1407 | ALIAS: |
|
|
1408 | minor = 1 |
|
|
1409 | CODE: |
|
|
1410 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1411 | OUTPUT: |
|
|
1412 | RETVAL |
|
|
1413 | |
|
|
1414 | UV |
|
|
1415 | makedev (UV maj, UV min) |
|
|
1416 | CODE: |
|
|
1417 | RETVAL = makedev (maj, min); |
|
|
1418 | OUTPUT: |
|
|
1419 | RETVAL |
|
|
1420 | |
|
|
1421 | void |
|
|
1422 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1423 | PPCODE: |
|
|
1424 | { |
|
|
1425 | dREQ; |
|
|
1426 | |
|
|
1427 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1428 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1429 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
|
|
1432 | } |
|
|
1433 | |
|
|
1434 | void |
|
|
1435 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1436 | PPCODE: |
|
|
1437 | { |
|
|
1438 | dREQ; |
|
|
1439 | |
|
|
1440 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1441 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1442 | |
|
|
1443 | REQ_SEND; |
|
|
1444 | } |
|
|
1445 | |
|
|
1446 | void |
|
|
1447 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1448 | PPCODE: |
|
|
1449 | { |
|
|
1450 | dREQ; |
|
|
1451 | |
|
|
1452 | req->int2 = mode; |
|
|
1453 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1454 | |
|
|
1455 | REQ_SEND; |
|
|
1456 | } |
|
|
1457 | |
|
|
1458 | void |
|
|
1459 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1460 | PPCODE: |
|
|
1461 | { |
|
|
1462 | dREQ; |
|
|
1463 | |
|
|
1464 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1465 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1466 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1467 | |
|
|
1468 | REQ_SEND; |
|
|
1469 | } |
|
|
1470 | |
|
|
1471 | void |
|
|
1472 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1473 | PPCODE: |
|
|
1474 | { |
|
|
1475 | dREQ; |
|
|
1476 | |
|
|
1477 | req->type = EIO_READDIR; |
|
|
1478 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1479 | |
|
|
1480 | if (flags & EIO_READDIR_DENTS) |
|
|
1481 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1482 | |
|
|
1483 | req_set_path1 (req, pathname); |
|
|
1484 | |
|
|
1485 | REQ_SEND; |
|
|
1486 | } |
|
|
1487 | |
|
|
1488 | void |
|
|
1489 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1490 | PPCODE: |
|
|
1491 | { |
|
|
1492 | dREQ; |
|
|
1493 | |
|
|
1494 | req->type = EIO_MKDIR; |
|
|
1495 | req->int2 = mode; |
|
|
1496 | req_set_path1 (req, pathname); |
|
|
1497 | |
|
|
1498 | REQ_SEND; |
|
|
1499 | } |
|
|
1500 | |
|
|
1501 | void |
|
|
1502 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1503 | ALIAS: |
1233 | aio_unlink = REQ_UNLINK |
1504 | aio_unlink = EIO_UNLINK |
1234 | aio_rmdir = REQ_RMDIR |
1505 | aio_rmdir = EIO_RMDIR |
1235 | aio_readdir = REQ_READDIR |
1506 | aio_readdir = EIO_READDIR |
1236 | PPCODE: |
1507 | PPCODE: |
1237 | { |
1508 | { |
1238 | dREQ; |
1509 | dREQ; |
1239 | |
1510 | |
1240 | req->type = ix; |
1511 | req->type = ix; |
1241 | req->data = newSVsv (pathname); |
1512 | req_set_path1 (req, pathname); |
1242 | req->dataptr = SvPVbyte_nolen (req->data); |
1513 | |
1243 | |
|
|
1244 | REQ_SEND; |
1514 | REQ_SEND; |
1245 | } |
1515 | } |
1246 | |
1516 | |
1247 | void |
1517 | void |
1248 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1518 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1249 | SV * oldpath |
|
|
1250 | SV * newpath |
|
|
1251 | SV * callback |
|
|
1252 | ALIAS: |
1519 | ALIAS: |
1253 | aio_link = REQ_LINK |
1520 | aio_link = EIO_LINK |
1254 | aio_symlink = REQ_SYMLINK |
1521 | aio_symlink = EIO_SYMLINK |
1255 | aio_rename = REQ_RENAME |
1522 | aio_rename = EIO_RENAME |
1256 | PPCODE: |
1523 | PPCODE: |
1257 | { |
1524 | { |
|
|
1525 | eio_wd wd2 = 0; |
1258 | dREQ; |
1526 | dREQ; |
1259 | |
1527 | |
1260 | req->type = ix; |
1528 | req->type = ix; |
1261 | req->fh = newSVsv (oldpath); |
1529 | req_set_path1 (req, oldpath); |
1262 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1530 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1263 | req->data = newSVsv (newpath); |
1531 | req->int3 = (long)wd2; |
1264 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1265 | |
1532 | |
1266 | REQ_SEND; |
1533 | REQ_SEND; |
1267 | } |
1534 | } |
1268 | |
1535 | |
1269 | void |
1536 | void |
1270 | aio_busy (delay,callback=&PL_sv_undef) |
1537 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1271 | double delay |
|
|
1272 | SV * callback |
|
|
1273 | PPCODE: |
1538 | PPCODE: |
1274 | { |
1539 | { |
1275 | dREQ; |
1540 | dREQ; |
1276 | |
1541 | |
1277 | req->type = REQ_BUSY; |
1542 | req->type = EIO_MKNOD; |
1278 | req->fd = delay < 0. ? 0 : delay; |
1543 | req->int2 = (mode_t)mode; |
1279 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1544 | req->offs = dev; |
1280 | |
1545 | req_set_path1 (req, pathname); |
|
|
1546 | |
1281 | REQ_SEND; |
1547 | REQ_SEND; |
1282 | } |
1548 | } |
1283 | |
1549 | |
1284 | void |
1550 | void |
1285 | aio_group (callback=&PL_sv_undef) |
1551 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) |
1286 | SV * callback |
1552 | ALIAS: |
1287 | PROTOTYPE: ;$ |
1553 | aio_mtouch = EIO_MTOUCH |
|
|
1554 | aio_msync = EIO_MSYNC |
1288 | PPCODE: |
1555 | PPCODE: |
1289 | { |
1556 | { |
|
|
1557 | STRLEN svlen; |
|
|
1558 | char *svptr = SvPVbyte (data, svlen); |
|
|
1559 | UV len = SvUV (length); |
|
|
1560 | |
|
|
1561 | if (offset < 0) |
|
|
1562 | offset += svlen; |
|
|
1563 | |
|
|
1564 | if (offset < 0 || offset > svlen) |
|
|
1565 | croak ("offset outside of scalar"); |
|
|
1566 | |
|
|
1567 | if (!SvOK (length) || len + offset > svlen) |
|
|
1568 | len = svlen - offset; |
|
|
1569 | |
|
|
1570 | { |
|
|
1571 | dREQ; |
|
|
1572 | |
|
|
1573 | req->type = ix; |
|
|
1574 | req->sv2 = SvREFCNT_inc (data); |
|
|
1575 | req->ptr2 = (char *)svptr + offset; |
|
|
1576 | req->size = len; |
|
|
1577 | req->int1 = flags; |
|
|
1578 | |
|
|
1579 | REQ_SEND; |
|
|
1580 | } |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void |
|
|
1584 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1585 | PPCODE: |
|
|
1586 | { |
|
|
1587 | STRLEN svlen; |
|
|
1588 | char *svptr = SvPVbyte (data, svlen); |
|
|
1589 | UV len = SvUV (length); |
|
|
1590 | |
|
|
1591 | if (offset < 0) |
|
|
1592 | offset += svlen; |
|
|
1593 | |
|
|
1594 | if (offset < 0 || offset > svlen) |
|
|
1595 | croak ("offset outside of scalar"); |
|
|
1596 | |
|
|
1597 | if (!SvOK (length) || len + offset > svlen) |
|
|
1598 | len = svlen - offset; |
|
|
1599 | |
|
|
1600 | { |
|
|
1601 | dREQ; |
|
|
1602 | |
|
|
1603 | req->type = EIO_MLOCK; |
|
|
1604 | req->sv2 = SvREFCNT_inc (data); |
|
|
1605 | req->ptr2 = (char *)svptr + offset; |
|
|
1606 | req->size = len; |
|
|
1607 | |
|
|
1608 | REQ_SEND; |
|
|
1609 | } |
|
|
1610 | } |
|
|
1611 | |
|
|
1612 | void |
|
|
1613 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1614 | PPCODE: |
|
|
1615 | { |
|
|
1616 | dREQ; |
|
|
1617 | |
|
|
1618 | req->type = EIO_MLOCKALL; |
|
|
1619 | req->int1 = flags; |
|
|
1620 | |
|
|
1621 | REQ_SEND; |
|
|
1622 | } |
|
|
1623 | |
|
|
1624 | void |
|
|
1625 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1626 | PPCODE: |
|
|
1627 | { |
|
|
1628 | int fd = s_fileno_croak (fh, 0); |
1290 | dREQ; |
1629 | dREQ; |
1291 | |
1630 | |
1292 | req->type = REQ_GROUP; |
1631 | req->type = EIO_CUSTOM; |
1293 | req_send (req); |
1632 | req->sv1 = newSVsv (fh); |
|
|
1633 | req->int1 = fd; |
1294 | |
1634 | |
1295 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1635 | req->feed = fiemap; |
1296 | } |
1636 | #if HAVE_FIEMAP |
|
|
1637 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1638 | req->offs = start; |
|
|
1639 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1640 | req->int2 = flags; |
|
|
1641 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1642 | #endif |
1297 | |
1643 | |
|
|
1644 | REQ_SEND; |
|
|
1645 | } |
|
|
1646 | |
1298 | void |
1647 | void |
1299 | aio_nop (callback=&PL_sv_undef) |
1648 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1300 | SV * callback |
|
|
1301 | PPCODE: |
1649 | PPCODE: |
1302 | { |
1650 | { |
1303 | dREQ; |
1651 | dREQ; |
1304 | |
1652 | |
1305 | req->type = REQ_NOP; |
1653 | req->type = EIO_BUSY; |
|
|
1654 | req->nv1 = delay < 0. ? 0. : delay; |
1306 | |
1655 | |
1307 | REQ_SEND; |
1656 | REQ_SEND; |
1308 | } |
1657 | } |
1309 | |
1658 | |
1310 | void |
1659 | void |
1311 | aioreq_pri (int pri = DEFAULT_PRI) |
1660 | aio_group (SV *callback = &PL_sv_undef) |
1312 | CODE: |
1661 | PPCODE: |
|
|
1662 | { |
|
|
1663 | dREQ; |
|
|
1664 | |
|
|
1665 | req->type = EIO_GROUP; |
|
|
1666 | |
|
|
1667 | PUTBACK; |
|
|
1668 | req_submit (req); |
|
|
1669 | SPAGAIN; |
|
|
1670 | |
|
|
1671 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1672 | } |
|
|
1673 | |
|
|
1674 | void |
|
|
1675 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
1676 | ALIAS: |
|
|
1677 | aio_nop = EIO_NOP |
|
|
1678 | aio_sync = EIO_SYNC |
|
|
1679 | PPCODE: |
|
|
1680 | { |
|
|
1681 | dREQ; |
|
|
1682 | |
|
|
1683 | req->type = ix; |
|
|
1684 | |
|
|
1685 | REQ_SEND; |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | int |
|
|
1689 | aioreq_pri (int pri = NO_INIT) |
|
|
1690 | CODE: |
|
|
1691 | RETVAL = next_pri; |
|
|
1692 | if (items > 0) |
|
|
1693 | { |
1313 | if (pri < PRI_MIN) pri = PRI_MIN; |
1694 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1314 | if (pri > PRI_MAX) pri = PRI_MAX; |
1695 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1315 | next_pri = pri + PRI_BIAS; |
1696 | next_pri = pri; |
|
|
1697 | } |
|
|
1698 | OUTPUT: |
|
|
1699 | RETVAL |
1316 | |
1700 | |
1317 | void |
1701 | void |
1318 | aioreq_nice (int nice = 0) |
1702 | aioreq_nice (int nice = 0) |
1319 | CODE: |
1703 | CODE: |
1320 | nice = next_pri - nice; |
1704 | nice = next_pri - nice; |
1321 | if (nice < PRI_MIN) nice = PRI_MIN; |
1705 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1322 | if (nice > PRI_MAX) nice = PRI_MAX; |
1706 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1323 | next_pri = nice + PRI_BIAS; |
1707 | next_pri = nice; |
1324 | |
1708 | |
1325 | void |
1709 | void |
1326 | flush () |
1710 | flush () |
1327 | PROTOTYPE: |
|
|
1328 | CODE: |
1711 | CODE: |
1329 | while (nreqs) |
1712 | while (eio_nreqs ()) |
1330 | { |
1713 | { |
1331 | poll_wait (); |
1714 | poll_wait (); |
1332 | poll_cb (); |
1715 | poll_cb (); |
1333 | } |
1716 | } |
1334 | |
1717 | |
1335 | void |
1718 | int |
1336 | poll() |
1719 | poll () |
1337 | PROTOTYPE: |
|
|
1338 | CODE: |
1720 | CODE: |
1339 | if (nreqs) |
|
|
1340 | { |
|
|
1341 | poll_wait (); |
1721 | poll_wait (); |
1342 | poll_cb (); |
1722 | RETVAL = poll_cb (); |
1343 | } |
|
|
1344 | |
|
|
1345 | int |
|
|
1346 | poll_fileno() |
|
|
1347 | PROTOTYPE: |
|
|
1348 | CODE: |
|
|
1349 | RETVAL = respipe [0]; |
|
|
1350 | OUTPUT: |
1723 | OUTPUT: |
1351 | RETVAL |
1724 | RETVAL |
1352 | |
1725 | |
1353 | int |
1726 | int |
|
|
1727 | poll_fileno () |
|
|
1728 | CODE: |
|
|
1729 | RETVAL = s_epipe_fd (&respipe); |
|
|
1730 | OUTPUT: |
|
|
1731 | RETVAL |
|
|
1732 | |
|
|
1733 | int |
1354 | poll_cb(...) |
1734 | poll_cb (...) |
1355 | PROTOTYPE: |
1735 | PROTOTYPE: |
1356 | CODE: |
1736 | CODE: |
1357 | RETVAL = poll_cb (); |
1737 | RETVAL = poll_cb (); |
1358 | OUTPUT: |
1738 | OUTPUT: |
1359 | RETVAL |
1739 | RETVAL |
1360 | |
1740 | |
1361 | void |
1741 | void |
1362 | poll_wait() |
1742 | poll_wait () |
1363 | PROTOTYPE: |
|
|
1364 | CODE: |
1743 | CODE: |
1365 | if (nreqs) |
|
|
1366 | poll_wait (); |
1744 | poll_wait (); |
1367 | |
1745 | |
1368 | int |
1746 | int |
1369 | nreqs() |
1747 | nreqs () |
1370 | PROTOTYPE: |
|
|
1371 | CODE: |
1748 | CODE: |
1372 | RETVAL = nreqs; |
1749 | RETVAL = eio_nreqs (); |
1373 | OUTPUT: |
1750 | OUTPUT: |
1374 | RETVAL |
1751 | RETVAL |
1375 | |
1752 | |
|
|
1753 | int |
|
|
1754 | nready () |
|
|
1755 | CODE: |
|
|
1756 | RETVAL = eio_nready (); |
|
|
1757 | OUTPUT: |
|
|
1758 | RETVAL |
|
|
1759 | |
|
|
1760 | int |
|
|
1761 | npending () |
|
|
1762 | CODE: |
|
|
1763 | RETVAL = eio_npending (); |
|
|
1764 | OUTPUT: |
|
|
1765 | RETVAL |
|
|
1766 | |
|
|
1767 | int |
|
|
1768 | nthreads () |
|
|
1769 | CODE: |
|
|
1770 | RETVAL = eio_nthreads (); |
|
|
1771 | OUTPUT: |
|
|
1772 | RETVAL |
|
|
1773 | |
|
|
1774 | int |
|
|
1775 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1776 | CODE: |
|
|
1777 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1778 | OUTPUT: |
|
|
1779 | RETVAL |
|
|
1780 | |
|
|
1781 | IV |
|
|
1782 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1783 | CODE: |
|
|
1784 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1785 | OUTPUT: |
|
|
1786 | RETVAL |
|
|
1787 | |
|
|
1788 | void |
|
|
1789 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1790 | PPCODE: |
|
|
1791 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1792 | { |
|
|
1793 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1794 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1795 | if (addr == (void *)-1) |
|
|
1796 | XSRETURN_NO; |
|
|
1797 | |
|
|
1798 | sv_force_normal (scalar); |
|
|
1799 | |
|
|
1800 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1801 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1802 | ->mg_obj = (SV *)length; |
|
|
1803 | |
|
|
1804 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1805 | |
|
|
1806 | if (!(prot & PROT_WRITE)) |
|
|
1807 | SvREADONLY_on (scalar); |
|
|
1808 | |
|
|
1809 | if (SvLEN (scalar)) |
|
|
1810 | Safefree (SvPVX (scalar)); |
|
|
1811 | |
|
|
1812 | SvPVX (scalar) = (char *)addr; |
|
|
1813 | SvCUR_set (scalar, length); |
|
|
1814 | SvLEN_set (scalar, 0); |
|
|
1815 | SvPOK_only (scalar); |
|
|
1816 | |
|
|
1817 | XSRETURN_YES; |
|
|
1818 | } |
|
|
1819 | |
|
|
1820 | void |
|
|
1821 | munmap (SV *scalar) |
|
|
1822 | CODE: |
|
|
1823 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1824 | |
|
|
1825 | int |
|
|
1826 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1827 | ALIAS: |
|
|
1828 | mprotect = 1 |
|
|
1829 | CODE: |
|
|
1830 | { |
|
|
1831 | STRLEN svlen; |
|
|
1832 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1833 | STRLEN len = SvUV (length); |
|
|
1834 | |
|
|
1835 | if (offset < 0) |
|
|
1836 | offset += svlen; |
|
|
1837 | |
|
|
1838 | if (offset < 0 || offset > svlen) |
|
|
1839 | croak ("offset outside of scalar"); |
|
|
1840 | |
|
|
1841 | if (!SvOK (length) || len + offset > svlen) |
|
|
1842 | len = svlen - offset; |
|
|
1843 | |
|
|
1844 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1845 | eio_page_align (&addr, &len); |
|
|
1846 | |
|
|
1847 | switch (ix) |
|
|
1848 | { |
|
|
1849 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1850 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1851 | } |
|
|
1852 | } |
|
|
1853 | OUTPUT: |
|
|
1854 | RETVAL |
|
|
1855 | |
|
|
1856 | int |
|
|
1857 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
1858 | CODE: |
|
|
1859 | { |
|
|
1860 | STRLEN svlen; |
|
|
1861 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1862 | size_t len = SvUV (length); |
|
|
1863 | |
|
|
1864 | if (offset < 0) |
|
|
1865 | offset += svlen; |
|
|
1866 | |
|
|
1867 | if (offset < 0 || offset > svlen) |
|
|
1868 | croak ("offset outside of scalar"); |
|
|
1869 | |
|
|
1870 | if (!SvOK (length) || len + offset > svlen) |
|
|
1871 | len = svlen - offset; |
|
|
1872 | |
|
|
1873 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1874 | eio_page_align (&addr, &len); |
|
|
1875 | #if _POSIX_MEMLOCK_RANGE |
|
|
1876 | RETVAL = munlock (addr, len); |
|
|
1877 | #else |
|
|
1878 | RETVAL = EIO_ENOSYS (); |
|
|
1879 | #endif |
|
|
1880 | } |
|
|
1881 | OUTPUT: |
|
|
1882 | RETVAL |
|
|
1883 | |
|
|
1884 | int |
|
|
1885 | munlockall () |
|
|
1886 | CODE: |
|
|
1887 | #if _POSIX_MEMLOCK |
|
|
1888 | munlockall (); |
|
|
1889 | #else |
|
|
1890 | RETVAL = EIO_ENOSYS (); |
|
|
1891 | #endif |
|
|
1892 | OUTPUT: |
|
|
1893 | RETVAL |
|
|
1894 | |
|
|
1895 | int |
|
|
1896 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1897 | CODE: |
|
|
1898 | { |
|
|
1899 | #if HAVE_LINUX_SPLICE |
|
|
1900 | loff_t off_in_, off_out_; |
|
|
1901 | RETVAL = splice ( |
|
|
1902 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1903 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1904 | length, flags |
|
|
1905 | ); |
|
|
1906 | #else |
|
|
1907 | RETVAL = EIO_ENOSYS (); |
|
|
1908 | #endif |
|
|
1909 | } |
|
|
1910 | OUTPUT: |
|
|
1911 | RETVAL |
|
|
1912 | |
|
|
1913 | int |
|
|
1914 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1915 | CODE: |
|
|
1916 | #if HAVE_LINUX_SPLICE |
|
|
1917 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1918 | #else |
|
|
1919 | RETVAL = EIO_ENOSYS (); |
|
|
1920 | #endif |
|
|
1921 | OUTPUT: |
|
|
1922 | RETVAL |
|
|
1923 | |
|
|
1924 | int |
|
|
1925 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
1926 | PROTOTYPE: $;$ |
|
|
1927 | CODE: |
|
|
1928 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
1929 | if (new_size >= 0) |
|
|
1930 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
1931 | else |
|
|
1932 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
1933 | #else |
|
|
1934 | errno = ENOSYS; |
|
|
1935 | RETVAL = -1; |
|
|
1936 | #endif |
|
|
1937 | OUTPUT: |
|
|
1938 | RETVAL |
|
|
1939 | |
|
|
1940 | void |
|
|
1941 | pipe2 (int flags = 0) |
|
|
1942 | PROTOTYPE: ;$ |
|
|
1943 | PPCODE: |
|
|
1944 | { |
|
|
1945 | int fd[2]; |
|
|
1946 | int res; |
|
|
1947 | |
|
|
1948 | if (flags) |
|
|
1949 | #if HAVE_PIPE2 |
|
|
1950 | res = pipe2 (fd, flags); |
|
|
1951 | #else |
|
|
1952 | res = (errno = ENOSYS, -1); |
|
|
1953 | #endif |
|
|
1954 | else |
|
|
1955 | res = pipe (fd); |
|
|
1956 | |
|
|
1957 | if (!res) |
|
|
1958 | { |
|
|
1959 | EXTEND (SP, 2); |
|
|
1960 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
1961 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
1962 | } |
|
|
1963 | } |
|
|
1964 | |
|
|
1965 | void _on_next_submit (SV *cb) |
|
|
1966 | CODE: |
|
|
1967 | SvREFCNT_dec (on_next_submit); |
|
|
1968 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1969 | |
1376 | PROTOTYPES: DISABLE |
1970 | PROTOTYPES: DISABLE |
|
|
1971 | |
|
|
1972 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1973 | |
|
|
1974 | BOOT: |
|
|
1975 | { |
|
|
1976 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1977 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1978 | } |
|
|
1979 | |
|
|
1980 | void |
|
|
1981 | DESTROY (SV *self) |
|
|
1982 | CODE: |
|
|
1983 | { |
|
|
1984 | aio_wd wd = SvAIO_WD (self); |
|
|
1985 | #if HAVE_AT |
|
|
1986 | { |
|
|
1987 | SV *callback = &PL_sv_undef; |
|
|
1988 | dREQ; /* clobbers next_pri :/ */ |
|
|
1989 | next_pri = req->pri; /* restore next_pri */ |
|
|
1990 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1991 | req->type = EIO_WD_CLOSE; |
|
|
1992 | req->wd = wd; |
|
|
1993 | REQ_SEND; |
|
|
1994 | } |
|
|
1995 | #else |
|
|
1996 | eio_wd_close_sync (wd); |
|
|
1997 | #endif |
|
|
1998 | } |
1377 | |
1999 | |
1378 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2000 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1379 | |
2001 | |
1380 | void |
2002 | void |
1381 | cancel (aio_req_ornot req) |
2003 | cancel (aio_req_ornot req) |
1382 | CODE: |
2004 | CODE: |
1383 | req_cancel (req); |
2005 | eio_cancel (req); |
1384 | |
2006 | |
1385 | void |
2007 | void |
1386 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2008 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1387 | CODE: |
2009 | PPCODE: |
|
|
2010 | { |
|
|
2011 | if (GIMME_V != G_VOID) |
|
|
2012 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2013 | |
|
|
2014 | if (items > 1) |
|
|
2015 | { |
|
|
2016 | SV *cb_cv = get_cb (callback); |
|
|
2017 | |
1388 | SvREFCNT_dec (req->callback); |
2018 | SvREFCNT_dec (req->callback); |
1389 | req->callback = newSVsv (callback); |
2019 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2020 | } |
|
|
2021 | } |
1390 | |
2022 | |
1391 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2023 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1392 | |
2024 | |
1393 | void |
2025 | void |
1394 | add (aio_req grp, ...) |
2026 | add (aio_req grp, ...) |
1395 | PPCODE: |
2027 | PPCODE: |
1396 | { |
2028 | { |
1397 | int i; |
2029 | int i; |
1398 | aio_req req; |
|
|
1399 | |
2030 | |
1400 | if (grp->fd == 2) |
2031 | if (grp->int1 == 2) |
1401 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2032 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1402 | |
2033 | |
1403 | for (i = 1; i < items; ++i ) |
2034 | for (i = 1; i < items; ++i ) |
1404 | { |
2035 | { |
|
|
2036 | aio_req req; |
|
|
2037 | |
1405 | if (GIMME_V != G_VOID) |
2038 | if (GIMME_V != G_VOID) |
1406 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2039 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1407 | |
2040 | |
1408 | req = SvAIO_REQ (ST (i)); |
2041 | req = SvAIO_REQ (ST (i)); |
1409 | |
2042 | |
1410 | if (req) |
2043 | if (req) |
1411 | { |
2044 | eio_grp_add (grp, req); |
1412 | ++grp->length; |
|
|
1413 | req->grp = grp; |
|
|
1414 | |
|
|
1415 | req->grp_prev = 0; |
|
|
1416 | req->grp_next = grp->grp_first; |
|
|
1417 | |
|
|
1418 | if (grp->grp_first) |
|
|
1419 | grp->grp_first->grp_prev = req; |
|
|
1420 | |
|
|
1421 | grp->grp_first = req; |
|
|
1422 | } |
|
|
1423 | } |
2045 | } |
1424 | } |
2046 | } |
|
|
2047 | |
|
|
2048 | void |
|
|
2049 | cancel_subs (aio_req_ornot req) |
|
|
2050 | CODE: |
|
|
2051 | req_cancel_subs (req); |
1425 | |
2052 | |
1426 | void |
2053 | void |
1427 | result (aio_req grp, ...) |
2054 | result (aio_req grp, ...) |
1428 | CODE: |
2055 | CODE: |
1429 | { |
2056 | { |
1430 | int i; |
2057 | int i; |
|
|
2058 | AV *av; |
|
|
2059 | |
|
|
2060 | grp->errorno = errno; |
|
|
2061 | |
1431 | AV *av = newAV (); |
2062 | av = newAV (); |
|
|
2063 | av_extend (av, items - 1); |
1432 | |
2064 | |
1433 | for (i = 1; i < items; ++i ) |
2065 | for (i = 1; i < items; ++i ) |
1434 | av_push (av, newSVsv (ST (i))); |
2066 | av_push (av, newSVsv (ST (i))); |
1435 | |
2067 | |
1436 | SvREFCNT_dec (grp->data); |
2068 | SvREFCNT_dec (grp->sv1); |
1437 | grp->data = (SV *)av; |
2069 | grp->sv1 = (SV *)av; |
1438 | } |
2070 | } |
|
|
2071 | |
|
|
2072 | void |
|
|
2073 | errno (aio_req grp, int errorno = errno) |
|
|
2074 | CODE: |
|
|
2075 | grp->errorno = errorno; |
1439 | |
2076 | |
1440 | void |
2077 | void |
1441 | limit (aio_req grp, int limit) |
2078 | limit (aio_req grp, int limit) |
1442 | CODE: |
2079 | CODE: |
1443 | grp->fd2 = limit; |
2080 | eio_grp_limit (grp, limit); |
1444 | aio_grp_feed (grp); |
|
|
1445 | |
2081 | |
1446 | void |
2082 | void |
1447 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2083 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1448 | CODE: |
2084 | CODE: |
1449 | { |
2085 | { |
1450 | SvREFCNT_dec (grp->fh2); |
2086 | SvREFCNT_dec (grp->sv2); |
1451 | grp->fh2 = newSVsv (callback); |
2087 | grp->sv2 = newSVsv (callback); |
|
|
2088 | grp->feed = aio_grp_feed; |
1452 | |
2089 | |
1453 | if (grp->fd2 <= 0) |
2090 | if (grp->int2 <= 0) |
1454 | grp->fd2 = 2; |
2091 | grp->int2 = 2; |
1455 | |
2092 | |
1456 | aio_grp_feed (grp); |
2093 | eio_grp_limit (grp, grp->int2); |
1457 | } |
2094 | } |
1458 | |
2095 | |