1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
|
|
3 | |
|
|
4 | #if __linux && !defined(_GNU_SOURCE) |
|
|
5 | # define _GNU_SOURCE |
|
|
6 | #endif |
|
|
7 | |
|
|
8 | /* just in case */ |
|
|
9 | #define _REENTRANT 1 |
|
|
10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
|
|
19 | #include <pthread.h> |
|
|
20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
|
|
12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
|
|
24 | #include <sys/select.h> |
|
|
25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
|
|
16 | #include <sys/statvfs.h> |
27 | #include <limits.h> |
17 | #include <limits.h> |
28 | #include <unistd.h> |
|
|
29 | #include <fcntl.h> |
18 | #include <fcntl.h> |
30 | #include <signal.h> |
|
|
31 | #include <sched.h> |
19 | #include <sched.h> |
32 | |
20 | |
33 | #if HAVE_SENDFILE |
21 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
|
|
35 | # include <sys/sendfile.h> |
22 | # include <sys/mman.h> |
36 | # elif __freebsd |
23 | #endif |
37 | # include <sys/socket.h> |
24 | |
|
|
25 | /* perl namespace pollution */ |
|
|
26 | #undef VERSION |
|
|
27 | |
|
|
28 | #ifdef _WIN32 |
|
|
29 | |
|
|
30 | # define EIO_STRUCT_DIRENT Direntry_t |
|
|
31 | # undef malloc |
|
|
32 | # undef free |
|
|
33 | |
|
|
34 | // perl overrides all those nice win32 functions |
|
|
35 | # undef open |
|
|
36 | # undef read |
|
|
37 | # undef write |
|
|
38 | # undef send |
|
|
39 | # undef recv |
|
|
40 | # undef stat |
|
|
41 | # undef fstat |
|
|
42 | # define lstat stat |
|
|
43 | # undef truncate |
|
|
44 | # undef ftruncate |
|
|
45 | # undef open |
|
|
46 | # undef close |
|
|
47 | # undef unlink |
|
|
48 | # undef rmdir |
|
|
49 | # undef rename |
|
|
50 | # undef lseek |
|
|
51 | |
|
|
52 | # define chown(a,b,c) (errno = ENOSYS, -1) |
|
|
53 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
|
|
54 | # define fchmod(a,b) (errno = ENOSYS, -1) |
|
|
55 | # define symlink(a,b) (errno = ENOSYS, -1) |
|
|
56 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
|
|
57 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
|
|
58 | # define truncate(a,b) (errno = ENOSYS, -1) |
|
|
59 | # define ftruncate(fd,o) chsize ((fd), (o)) |
|
|
60 | # define fsync(fd) _commit (fd) |
|
|
61 | # define opendir(fd) (errno = ENOSYS, 0) |
|
|
62 | # define readdir(fd) (errno = ENOSYS, -1) |
|
|
63 | # define closedir(fd) (errno = ENOSYS, -1) |
|
|
64 | # define mkdir(a,b) mkdir (a) |
|
|
65 | |
|
|
66 | #else |
|
|
67 | |
38 | # include <sys/uio.h> |
68 | # include <sys/time.h> |
39 | # elif __hpux |
|
|
40 | # include <sys/socket.h> |
|
|
41 | # elif __solaris /* not yet */ |
|
|
42 | # include <sys/sendfile.h> |
69 | # include <sys/select.h> |
|
|
70 | # include <unistd.h> |
|
|
71 | # include <utime.h> |
|
|
72 | # include <signal.h> |
|
|
73 | # define EIO_STRUCT_DIRENT struct dirent |
|
|
74 | |
|
|
75 | #endif |
|
|
76 | |
|
|
77 | /* perl stupidly overrides readdir and maybe others */ |
|
|
78 | /* with thread-unsafe versions, imagine that :( */ |
|
|
79 | #undef readdir |
|
|
80 | #undef opendir |
|
|
81 | #undef closedir |
|
|
82 | |
|
|
83 | #define EIO_STRUCT_STAT Stat_t |
|
|
84 | |
|
|
85 | /* use NV for 32 bit perls as it allows larger offsets */ |
|
|
86 | #if IVSIZE >= 8 |
|
|
87 | # define VAL64 IV |
|
|
88 | # define SvVAL64 SvIV |
|
|
89 | # define newSVval64 newSViv |
|
|
90 | #else |
|
|
91 | # define VAL64 NV |
|
|
92 | # define SvVAL64 SvNV |
|
|
93 | # define newSVval64 newSVnv |
|
|
94 | #endif |
|
|
95 | |
|
|
96 | /*****************************************************************************/ |
|
|
97 | |
|
|
98 | #if __GNUC__ >= 3 |
|
|
99 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
100 | #else |
|
|
101 | # define expect(expr,value) (expr) |
|
|
102 | #endif |
|
|
103 | |
|
|
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
106 | |
|
|
107 | /*****************************************************************************/ |
|
|
108 | |
|
|
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
110 | typedef int aio_rfd; /* read file desriptor */ |
|
|
111 | typedef int aio_wfd; /* write file descriptor */ |
|
|
112 | |
|
|
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
|
|
114 | |
|
|
115 | #define EIO_REQ_MEMBERS \ |
|
|
116 | SV *callback; \ |
|
|
117 | SV *sv1, *sv2; \ |
|
|
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 | #ifndef POSIX_FADV_NORMAL |
|
|
127 | # define POSIX_FADV_NORMAL 0 |
|
|
128 | #endif |
|
|
129 | #ifndef POSIX_FADV_SEQUENTIAL |
|
|
130 | # define POSIX_FADV_SEQUENTIAL 0 |
|
|
131 | #endif |
|
|
132 | #ifndef POSIX_FADV_RANDOM |
|
|
133 | # define POSIX_FADV_RANDOM 0 |
|
|
134 | #endif |
|
|
135 | #ifndef POSIX_FADV_NOREUSE |
|
|
136 | # define POSIX_FADV_NOREUSE 0 |
|
|
137 | #endif |
|
|
138 | #ifndef POSIX_FADV_WILLNEED |
|
|
139 | # define POSIX_FADV_WILLNEED 0 |
|
|
140 | #endif |
|
|
141 | #ifndef POSIX_FADV_DONTNEED |
|
|
142 | # define POSIX_FADV_DONTNEED 0 |
|
|
143 | #endif |
|
|
144 | |
|
|
145 | #if !HAVE_POSIX_FADVISE |
|
|
146 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
147 | #endif |
|
|
148 | |
|
|
149 | #ifndef POSIX_MADV_NORMAL |
|
|
150 | # define POSIX_MADV_NORMAL 0 |
|
|
151 | #endif |
|
|
152 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
153 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
154 | #endif |
|
|
155 | #ifndef POSIX_MADV_RANDOM |
|
|
156 | # define POSIX_MADV_RANDOM 0 |
|
|
157 | #endif |
|
|
158 | #ifndef POSIX_MADV_WILLNEED |
|
|
159 | # define POSIX_MADV_WILLNEED 0 |
|
|
160 | #endif |
|
|
161 | #ifndef POSIX_MADV_DONTNEED |
|
|
162 | # define POSIX_MADV_DONTNEED 0 |
|
|
163 | #endif |
|
|
164 | |
|
|
165 | #if !HAVE_POSIX_MADVISE |
|
|
166 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
167 | #endif |
|
|
168 | |
|
|
169 | #ifndef PROT_NONE |
|
|
170 | # define PROT_NONE 0 |
|
|
171 | #endif |
|
|
172 | #ifndef PROT_READ |
|
|
173 | # define PROT_READ 0 |
|
|
174 | #endif |
|
|
175 | #ifndef PROT_WRITE |
|
|
176 | # define PROT_READ 0 |
|
|
177 | #endif |
|
|
178 | #ifndef PROT_EXEC |
|
|
179 | # define PROT_EXEC 0 |
|
|
180 | #endif |
|
|
181 | |
|
|
182 | #ifndef ST_NODEV |
|
|
183 | # define ST_NODEV 0 |
|
|
184 | #endif |
|
|
185 | #ifndef ST_NOEXEC |
|
|
186 | # define ST_NOEXEC 0 |
|
|
187 | #endif |
|
|
188 | #ifndef ST_SYNCHRONOUS |
|
|
189 | # define ST_SYNCHRONOUS 0 |
|
|
190 | #endif |
|
|
191 | #ifndef ST_MANDLOCK |
|
|
192 | # define ST_MANDLOCK 0 |
|
|
193 | #endif |
|
|
194 | #ifndef ST_WRITE |
|
|
195 | # define ST_WRITE 0 |
|
|
196 | #endif |
|
|
197 | #ifndef ST_APPEND |
|
|
198 | # define ST_APPEND 0 |
|
|
199 | #endif |
|
|
200 | #ifndef ST_IMMUTABLE |
|
|
201 | # define ST_IMMUTABLE 0 |
|
|
202 | #endif |
|
|
203 | #ifndef ST_NOATIME |
|
|
204 | # define ST_NOATIME 0 |
|
|
205 | #endif |
|
|
206 | #ifndef ST_NODIRATIME |
|
|
207 | # define ST_NODIRATIME 0 |
|
|
208 | #endif |
|
|
209 | #ifndef ST_RELATIME |
|
|
210 | # define ST_RELATIME 0 |
|
|
211 | #endif |
|
|
212 | |
|
|
213 | #ifndef MAP_ANONYMOUS |
|
|
214 | # ifdef MAP_ANON |
|
|
215 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
216 | # else |
44 | # error sendfile support requested but not available |
217 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
218 | # endif |
46 | #endif |
219 | #endif |
47 | |
220 | #ifndef MAP_HUGETLB |
48 | /* number of seconds after which idle threads exit */ |
221 | # define MAP_HUGETLB 0 |
49 | #define IDLE_TIMEOUT 10 |
|
|
50 | |
|
|
51 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
52 | #ifndef NAME_MAX |
|
|
53 | # define NAME_MAX 4096 |
|
|
54 | #endif |
|
|
55 | |
|
|
56 | #ifndef PTHREAD_STACK_MIN |
|
|
57 | /* care for broken platforms, e.g. windows */ |
|
|
58 | # define PTHREAD_STACK_MIN 16384 |
|
|
59 | #endif |
|
|
60 | |
|
|
61 | #if __ia64 |
|
|
62 | # define STACKSIZE 65536 |
|
|
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
|
|
64 | # define STACKSIZE PTHREAD_STACK_MIN |
|
|
65 | #else |
|
|
66 | # define STACKSIZE 16384 |
|
|
67 | #endif |
|
|
68 | |
|
|
69 | /* wether word reads are potentially non-atomic. |
|
|
70 | * this is conservatice, likely most arches this runs |
|
|
71 | * on have atomic word read/writes. |
|
|
72 | */ |
|
|
73 | #ifndef WORDACCESS_UNSAFE |
|
|
74 | # if __i386 || __x86_64 |
|
|
75 | # define WORDACCESS_UNSAFE 0 |
|
|
76 | # else |
|
|
77 | # define WORDACCESS_UNSAFE 1 |
|
|
78 | # endif |
222 | #endif |
|
|
223 | #ifndef MAP_LOCKED |
|
|
224 | # define MAP_LOCKED 0 |
79 | #endif |
225 | #endif |
|
|
226 | #ifndef MAP_NORESERVE |
|
|
227 | # define MAP_NORESERVE 0 |
|
|
228 | #endif |
|
|
229 | #ifndef MAP_POPULATE |
|
|
230 | # define MAP_POPULATE 0 |
|
|
231 | #endif |
|
|
232 | #ifndef MAP_NONBLOCK |
|
|
233 | # define MAP_NONBLOCK 0 |
|
|
234 | #endif |
80 | |
235 | |
81 | /* buffer size for various temporary buffers */ |
236 | #ifndef PAGESIZE |
82 | #define AIO_BUFSIZE 65536 |
237 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
|
|
238 | #endif |
83 | |
239 | |
84 | #define dBUF \ |
240 | static int req_invoke (eio_req *req); |
85 | char *aio_buf; \ |
241 | #define EIO_FINISH(req) req_invoke (req) |
86 | LOCK (wrklock); \ |
242 | static void req_destroy (eio_req *grp); |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
243 | #define EIO_DESTROY(req) req_destroy (req) |
88 | UNLOCK (wrklock); \ |
|
|
89 | if (!aio_buf) \ |
|
|
90 | return -1; |
|
|
91 | |
|
|
92 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
93 | |
244 | |
94 | enum { |
245 | enum { |
95 | REQ_QUIT, |
246 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
96 | REQ_OPEN, REQ_CLOSE, |
|
|
97 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
|
|
98 | REQ_SENDFILE, |
|
|
99 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
|
|
100 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
101 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
|
|
102 | REQ_MKNOD, REQ_READDIR, |
|
|
103 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
|
|
104 | REQ_GROUP, REQ_NOP, |
|
|
105 | REQ_BUSY, |
|
|
106 | }; |
247 | }; |
107 | |
248 | |
108 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
249 | #include "libeio/eio.c" |
109 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
110 | |
250 | |
111 | typedef struct aio_cb |
|
|
112 | { |
|
|
113 | struct aio_cb *volatile next; |
|
|
114 | |
|
|
115 | SV *callback, *fh; |
|
|
116 | SV *sv1, *sv2; |
|
|
117 | void *ptr1, *ptr2; |
|
|
118 | off_t offs; |
|
|
119 | size_t size; |
|
|
120 | ssize_t result; |
|
|
121 | |
|
|
122 | STRLEN stroffset; |
|
|
123 | int type; |
|
|
124 | int int1, int2; |
|
|
125 | int errorno; |
|
|
126 | mode_t mode; /* open */ |
|
|
127 | |
|
|
128 | unsigned char flags; |
|
|
129 | unsigned char pri; |
|
|
130 | |
|
|
131 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
132 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
|
|
133 | } aio_cb; |
|
|
134 | |
|
|
135 | enum { |
|
|
136 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
|
|
137 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
|
|
138 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
|
|
139 | }; |
|
|
140 | |
|
|
141 | typedef aio_cb *aio_req; |
251 | typedef eio_req *aio_req; |
142 | typedef aio_cb *aio_req_ornot; |
252 | typedef eio_req *aio_req_ornot; |
143 | |
253 | |
144 | enum { |
254 | static SV *on_next_submit; |
145 | PRI_MIN = -4, |
255 | static int next_pri = EIO_PRI_DEFAULT; |
146 | PRI_MAX = 4, |
256 | static int max_outstanding; |
147 | |
257 | |
148 | DEFAULT_PRI = 0, |
258 | static s_epipe respipe; |
149 | PRI_BIAS = -PRI_MIN, |
|
|
150 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
|
|
151 | }; |
|
|
152 | |
259 | |
153 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
154 | |
|
|
155 | static unsigned int max_poll_time = 0; |
|
|
156 | static unsigned int max_poll_reqs = 0; |
|
|
157 | |
|
|
158 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
159 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
160 | { |
|
|
161 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
162 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
163 | } |
|
|
164 | |
|
|
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
|
|
166 | |
|
|
167 | static unsigned int started, idle, wanted; |
|
|
168 | |
|
|
169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
|
|
170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
171 | #else |
|
|
172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
173 | #endif |
|
|
174 | |
|
|
175 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
|
|
176 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
|
|
177 | |
|
|
178 | /* worker threads management */ |
|
|
179 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
|
|
180 | |
|
|
181 | typedef struct worker { |
|
|
182 | /* locked by wrklock */ |
|
|
183 | struct worker *prev, *next; |
|
|
184 | |
|
|
185 | pthread_t tid; |
|
|
186 | |
|
|
187 | /* locked by reslock, reqlock or wrklock */ |
|
|
188 | aio_req req; /* currently processed request */ |
|
|
189 | void *dbuf; |
|
|
190 | DIR *dirp; |
|
|
191 | } worker; |
|
|
192 | |
|
|
193 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
|
|
194 | |
|
|
195 | static void worker_clear (worker *wrk) |
|
|
196 | { |
|
|
197 | if (wrk->dirp) |
|
|
198 | { |
|
|
199 | closedir (wrk->dirp); |
|
|
200 | wrk->dirp = 0; |
|
|
201 | } |
|
|
202 | |
|
|
203 | if (wrk->dbuf) |
|
|
204 | { |
|
|
205 | free (wrk->dbuf); |
|
|
206 | wrk->dbuf = 0; |
|
|
207 | } |
|
|
208 | } |
|
|
209 | |
|
|
210 | static void worker_free (worker *wrk) |
|
|
211 | { |
|
|
212 | wrk->next->prev = wrk->prev; |
|
|
213 | wrk->prev->next = wrk->next; |
|
|
214 | |
|
|
215 | free (wrk); |
|
|
216 | } |
|
|
217 | |
|
|
218 | static volatile unsigned int nreqs, nready, npending; |
|
|
219 | static volatile unsigned int max_idle = 4; |
|
|
220 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
221 | static int respipe [2]; |
|
|
222 | |
|
|
223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
|
|
224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
|
|
225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
226 | |
|
|
227 | #if WORDACCESS_UNSAFE |
|
|
228 | |
|
|
229 | static unsigned int get_nready () |
|
|
230 | { |
|
|
231 | unsigned int retval; |
|
|
232 | |
|
|
233 | LOCK (reqlock); |
|
|
234 | retval = nready; |
|
|
235 | UNLOCK (reqlock); |
|
|
236 | |
|
|
237 | return retval; |
|
|
238 | } |
|
|
239 | |
|
|
240 | static unsigned int get_npending () |
|
|
241 | { |
|
|
242 | unsigned int retval; |
|
|
243 | |
|
|
244 | LOCK (reslock); |
|
|
245 | retval = npending; |
|
|
246 | UNLOCK (reslock); |
|
|
247 | |
|
|
248 | return retval; |
|
|
249 | } |
|
|
250 | |
|
|
251 | static unsigned int get_nthreads () |
|
|
252 | { |
|
|
253 | unsigned int retval; |
|
|
254 | |
|
|
255 | LOCK (wrklock); |
|
|
256 | retval = started; |
|
|
257 | UNLOCK (wrklock); |
|
|
258 | |
|
|
259 | return retval; |
|
|
260 | } |
|
|
261 | |
|
|
262 | #else |
|
|
263 | |
|
|
264 | # define get_nready() nready |
|
|
265 | # define get_npending() npending |
|
|
266 | # define get_nthreads() started |
|
|
267 | |
|
|
268 | #endif |
|
|
269 | |
|
|
270 | /* |
|
|
271 | * a somewhat faster data structure might be nice, but |
|
|
272 | * with 8 priorities this actually needs <20 insns |
|
|
273 | * per shift, the most expensive operation. |
|
|
274 | */ |
|
|
275 | typedef struct { |
|
|
276 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
277 | int size; |
|
|
278 | } reqq; |
|
|
279 | |
|
|
280 | static reqq req_queue; |
|
|
281 | static reqq res_queue; |
|
|
282 | |
|
|
283 | int reqq_push (reqq *q, aio_req req) |
|
|
284 | { |
|
|
285 | int pri = req->pri; |
|
|
286 | req->next = 0; |
|
|
287 | |
|
|
288 | if (q->qe[pri]) |
|
|
289 | { |
|
|
290 | q->qe[pri]->next = req; |
|
|
291 | q->qe[pri] = req; |
|
|
292 | } |
|
|
293 | else |
|
|
294 | q->qe[pri] = q->qs[pri] = req; |
|
|
295 | |
|
|
296 | return q->size++; |
|
|
297 | } |
|
|
298 | |
|
|
299 | aio_req reqq_shift (reqq *q) |
|
|
300 | { |
|
|
301 | int pri; |
|
|
302 | |
|
|
303 | if (!q->size) |
|
|
304 | return 0; |
|
|
305 | |
|
|
306 | --q->size; |
|
|
307 | |
|
|
308 | for (pri = NUM_PRI; pri--; ) |
|
|
309 | { |
|
|
310 | aio_req req = q->qs[pri]; |
|
|
311 | |
|
|
312 | if (req) |
|
|
313 | { |
|
|
314 | if (!(q->qs[pri] = req->next)) |
|
|
315 | q->qe[pri] = 0; |
|
|
316 | |
|
|
317 | return req; |
|
|
318 | } |
|
|
319 | } |
|
|
320 | |
|
|
321 | abort (); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static int poll_cb (); |
|
|
325 | static void req_invoke (aio_req req); |
|
|
326 | static void req_free (aio_req req); |
260 | static void req_destroy (aio_req req); |
327 | static void req_cancel (aio_req req); |
261 | static void req_cancel (aio_req req); |
328 | |
262 | |
|
|
263 | static void want_poll (void) |
|
|
264 | { |
|
|
265 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
266 | s_epipe_signal (&respipe); |
|
|
267 | } |
|
|
268 | |
|
|
269 | static void done_poll (void) |
|
|
270 | { |
|
|
271 | /* read any signals sent by the worker threads */ |
|
|
272 | s_epipe_drain (&respipe); |
|
|
273 | } |
|
|
274 | |
329 | /* must be called at most once */ |
275 | /* must be called at most once */ |
330 | static SV *req_sv (aio_req req, const char *klass) |
276 | static SV *req_sv (aio_req req, HV *stash) |
331 | { |
277 | { |
332 | if (!req->self) |
278 | if (!req->self) |
333 | { |
279 | { |
334 | req->self = (SV *)newHV (); |
280 | req->self = (SV *)newHV (); |
335 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
281 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
336 | } |
282 | } |
337 | |
283 | |
338 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
284 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
339 | } |
285 | } |
340 | |
286 | |
341 | static aio_req SvAIO_REQ (SV *sv) |
287 | static aio_req SvAIO_REQ (SV *sv) |
342 | { |
288 | { |
343 | MAGIC *mg; |
289 | MAGIC *mg; |
344 | |
290 | |
345 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
291 | if (!SvROK (sv) |
|
|
292 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
293 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
294 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
346 | croak ("object of class " AIO_REQ_KLASS " expected"); |
295 | croak ("object of class IO::AIO::REQ expected"); |
347 | |
296 | |
348 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
297 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
349 | |
298 | |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
299 | return mg ? (aio_req)mg->mg_ptr : 0; |
351 | } |
300 | } |
352 | |
301 | |
353 | static void aio_grp_feed (aio_req grp) |
302 | static void aio_grp_feed (aio_req grp) |
354 | { |
303 | { |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
304 | if (grp->sv2 && SvOK (grp->sv2)) |
356 | { |
305 | { |
357 | int old_len = grp->size; |
|
|
358 | |
|
|
359 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
360 | { |
|
|
361 | dSP; |
306 | dSP; |
362 | |
307 | |
363 | ENTER; |
308 | ENTER; |
364 | SAVETMPS; |
309 | SAVETMPS; |
365 | PUSHMARK (SP); |
310 | PUSHMARK (SP); |
366 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
311 | XPUSHs (req_sv (grp, aio_grp_stash)); |
367 | PUTBACK; |
312 | PUTBACK; |
368 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
313 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
369 | SPAGAIN; |
314 | SPAGAIN; |
370 | FREETMPS; |
315 | FREETMPS; |
371 | LEAVE; |
316 | LEAVE; |
372 | } |
|
|
373 | |
|
|
374 | /* stop if no progress has been made */ |
|
|
375 | if (old_len == grp->size) |
|
|
376 | { |
|
|
377 | SvREFCNT_dec (grp->sv2); |
|
|
378 | grp->sv2 = 0; |
|
|
379 | break; |
|
|
380 | } |
|
|
381 | } |
317 | } |
382 | } |
318 | } |
383 | |
319 | |
384 | static void aio_grp_dec (aio_req grp) |
320 | static void req_submit (eio_req *req) |
385 | { |
321 | { |
386 | --grp->size; |
322 | eio_submit (req); |
387 | |
323 | |
388 | /* call feeder, if applicable */ |
324 | if (expect_false (on_next_submit)) |
389 | aio_grp_feed (grp); |
|
|
390 | |
|
|
391 | /* finish, if done */ |
|
|
392 | if (!grp->size && grp->int1) |
|
|
393 | { |
325 | { |
394 | req_invoke (grp); |
326 | dSP; |
395 | req_free (grp); |
327 | SV *cb = sv_2mortal (on_next_submit); |
|
|
328 | |
|
|
329 | on_next_submit = 0; |
|
|
330 | |
|
|
331 | PUSHMARK (SP); |
|
|
332 | PUTBACK; |
|
|
333 | call_sv (cb, G_DISCARD | G_EVAL); |
396 | } |
334 | } |
397 | } |
335 | } |
398 | |
336 | |
399 | static void req_invoke (aio_req req) |
337 | static int req_invoke (eio_req *req) |
400 | { |
338 | { |
401 | dSP; |
|
|
402 | |
|
|
403 | if (req->flags & FLAG_SV1_RO_OFF) |
339 | if (req->flags & FLAG_SV2_RO_OFF) |
404 | SvREADONLY_off (req->sv1); |
340 | SvREADONLY_off (req->sv2); |
405 | |
341 | |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
342 | if (!EIO_CANCELLED (req) && req->callback) |
407 | { |
343 | { |
|
|
344 | dSP; |
|
|
345 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
346 | SV *sv_result; |
|
|
347 | |
408 | ENTER; |
348 | ENTER; |
409 | SAVETMPS; |
349 | SAVETMPS; |
410 | PUSHMARK (SP); |
350 | PUSHMARK (SP); |
411 | EXTEND (SP, 1); |
351 | EXTEND (SP, 1); |
412 | |
352 | |
|
|
353 | /* do not recreate the result IV from scratch each time */ |
|
|
354 | if (expect_true (sv_result_cache)) |
|
|
355 | { |
|
|
356 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
357 | SvIV_set (sv_result, req->result); |
|
|
358 | SvIOK_only (sv_result); |
|
|
359 | } |
|
|
360 | else |
|
|
361 | { |
|
|
362 | sv_result = newSViv (req->result); |
|
|
363 | SvREADONLY_on (sv_result); |
|
|
364 | } |
|
|
365 | |
413 | switch (req->type) |
366 | switch (req->type) |
414 | { |
367 | { |
415 | case REQ_READDIR: |
368 | case EIO_READDIR: |
416 | { |
369 | { |
417 | SV *rv = &PL_sv_undef; |
370 | SV *rv = &PL_sv_undef; |
418 | |
371 | |
419 | if (req->result >= 0) |
372 | if (req->result >= 0) |
420 | { |
373 | { |
421 | int i; |
374 | int i; |
422 | char *buf = req->ptr2; |
375 | char *names = (char *)req->ptr2; |
|
|
376 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
423 | AV *av = newAV (); |
377 | AV *av = newAV (); |
424 | |
378 | |
425 | av_extend (av, req->result - 1); |
379 | av_extend (av, req->result - 1); |
426 | |
380 | |
427 | for (i = 0; i < req->result; ++i) |
381 | for (i = 0; i < req->result; ++i) |
428 | { |
382 | { |
429 | SV *sv = newSVpv (buf, 0); |
383 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
384 | { |
|
|
385 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
430 | |
386 | |
|
|
387 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
388 | { |
|
|
389 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
390 | AV *avent = newAV (); |
|
|
391 | |
|
|
392 | av_extend (avent, 2); |
|
|
393 | |
|
|
394 | if (!sv_type [ent->type]) |
|
|
395 | { |
|
|
396 | sv_type [ent->type] = newSViv (ent->type); |
|
|
397 | SvREADONLY_on (sv_type [ent->type]); |
|
|
398 | } |
|
|
399 | |
|
|
400 | av_store (avent, 0, namesv); |
|
|
401 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
402 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
403 | |
|
|
404 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
405 | } |
|
|
406 | else |
431 | av_store (av, i, sv); |
407 | av_store (av, i, namesv); |
|
|
408 | |
|
|
409 | ++ent; |
|
|
410 | } |
|
|
411 | else |
|
|
412 | { |
|
|
413 | SV *name = newSVpv (names, 0); |
|
|
414 | av_store (av, i, name); |
432 | buf += SvCUR (sv) + 1; |
415 | names += SvCUR (name) + 1; |
|
|
416 | } |
433 | } |
417 | } |
434 | |
418 | |
435 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
419 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
436 | } |
420 | } |
437 | |
421 | |
438 | PUSHs (rv); |
422 | PUSHs (rv); |
|
|
423 | |
|
|
424 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
425 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
439 | } |
426 | } |
440 | break; |
427 | break; |
441 | |
428 | |
442 | case REQ_OPEN: |
429 | case EIO_OPEN: |
443 | { |
430 | { |
444 | /* convert fd to fh */ |
431 | /* convert fd to fh */ |
445 | SV *fh; |
432 | SV *fh = &PL_sv_undef; |
446 | |
433 | |
447 | PUSHs (sv_2mortal (newSViv (req->result))); |
434 | if (req->result >= 0) |
448 | PUTBACK; |
435 | { |
449 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
436 | GV *gv = (GV *)sv_newmortal (); |
450 | SPAGAIN; |
437 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
438 | char sym [64]; |
|
|
439 | int symlen; |
|
|
440 | |
|
|
441 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
442 | gv_init (gv, aio_stash, sym, symlen, 0); |
451 | |
443 | |
452 | fh = SvREFCNT_inc (POPs); |
444 | symlen = snprintf ( |
|
|
445 | sym, |
|
|
446 | sizeof (sym), |
|
|
447 | "%s&=%d", |
|
|
448 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
449 | (int)req->result |
|
|
450 | ); |
453 | |
451 | |
|
|
452 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
453 | fh = (SV *)gv; |
|
|
454 | } |
|
|
455 | |
454 | PUSHMARK (SP); |
456 | PUSHs (fh); |
455 | XPUSHs (sv_2mortal (fh)); |
|
|
456 | } |
457 | } |
457 | break; |
458 | break; |
458 | |
459 | |
|
|
460 | case EIO_STATVFS: |
|
|
461 | case EIO_FSTATVFS: |
|
|
462 | { |
|
|
463 | SV *rv = &PL_sv_undef; |
|
|
464 | |
|
|
465 | if (req->result >= 0) |
|
|
466 | { |
|
|
467 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
468 | HV *hv = newHV (); |
|
|
469 | |
|
|
470 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
471 | |
|
|
472 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
473 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
474 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
475 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
476 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
477 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
478 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
479 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
480 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
481 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
482 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
483 | } |
|
|
484 | |
|
|
485 | PUSHs (rv); |
|
|
486 | } |
|
|
487 | |
|
|
488 | break; |
|
|
489 | |
459 | case REQ_GROUP: |
490 | case EIO_GROUP: |
460 | req->int1 = 2; /* mark group as finished */ |
491 | req->int1 = 2; /* mark group as finished */ |
461 | |
492 | |
462 | if (req->sv1) |
493 | if (req->sv1) |
463 | { |
494 | { |
464 | int i; |
495 | int i; |
… | |
… | |
468 | for (i = 0; i <= AvFILL (av); ++i) |
499 | for (i = 0; i <= AvFILL (av); ++i) |
469 | PUSHs (*av_fetch (av, i, 0)); |
500 | PUSHs (*av_fetch (av, i, 0)); |
470 | } |
501 | } |
471 | break; |
502 | break; |
472 | |
503 | |
473 | case REQ_NOP: |
504 | case EIO_NOP: |
474 | case REQ_BUSY: |
505 | case EIO_BUSY: |
475 | break; |
506 | break; |
476 | |
507 | |
477 | case REQ_READLINK: |
508 | case EIO_READLINK: |
478 | if (req->result > 0) |
509 | if (req->result > 0) |
479 | { |
510 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
480 | SvCUR_set (req->sv1, req->result); |
|
|
481 | *SvEND (req->sv1) = 0; |
|
|
482 | PUSHs (req->sv1); |
|
|
483 | } |
|
|
484 | break; |
511 | break; |
485 | |
512 | |
486 | case REQ_STAT: |
513 | case EIO_STAT: |
487 | case REQ_LSTAT: |
514 | case EIO_LSTAT: |
488 | case REQ_FSTAT: |
515 | case EIO_FSTAT: |
489 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
516 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
490 | PL_laststatval = req->result; |
517 | PL_laststatval = req->result; |
491 | PL_statcache = *(Stat_t *)(req->ptr2); |
518 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
492 | PUSHs (sv_2mortal (newSViv (req->result))); |
519 | PUSHs (sv_result); |
493 | break; |
520 | break; |
494 | |
521 | |
495 | case REQ_READ: |
522 | case EIO_READ: |
|
|
523 | { |
496 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
524 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
497 | *SvEND (req->sv1) = 0; |
525 | *SvEND (req->sv2) = 0; |
498 | PUSHs (sv_2mortal (newSViv (req->result))); |
526 | SvPOK_only (req->sv2); |
|
|
527 | SvSETMAGIC (req->sv2); |
|
|
528 | PUSHs (sv_result); |
|
|
529 | } |
499 | break; |
530 | break; |
500 | |
531 | |
|
|
532 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
533 | if (req->result > 0) |
|
|
534 | SvIV_set (sv_result, 0); |
|
|
535 | /* FALLTHROUGH */ |
|
|
536 | |
501 | default: |
537 | default: |
502 | PUSHs (sv_2mortal (newSViv (req->result))); |
538 | PUSHs (sv_result); |
503 | break; |
539 | break; |
504 | } |
540 | } |
505 | |
541 | |
506 | errno = req->errorno; |
542 | errno = req->errorno; |
507 | |
543 | |
508 | PUTBACK; |
544 | PUTBACK; |
509 | call_sv (req->callback, G_VOID | G_EVAL); |
545 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
510 | SPAGAIN; |
546 | SPAGAIN; |
|
|
547 | |
|
|
548 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
549 | SvREFCNT_dec (sv_result); |
|
|
550 | else |
|
|
551 | sv_result_cache = sv_result; |
511 | |
552 | |
512 | FREETMPS; |
553 | FREETMPS; |
513 | LEAVE; |
554 | LEAVE; |
|
|
555 | |
|
|
556 | PUTBACK; |
514 | } |
557 | } |
515 | |
558 | |
516 | if (req->grp) |
559 | return !!SvTRUE (ERRSV); |
517 | { |
|
|
518 | aio_req grp = req->grp; |
|
|
519 | |
|
|
520 | /* unlink request */ |
|
|
521 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
522 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
523 | |
|
|
524 | if (grp->grp_first == req) |
|
|
525 | grp->grp_first = req->grp_next; |
|
|
526 | |
|
|
527 | aio_grp_dec (grp); |
|
|
528 | } |
|
|
529 | |
|
|
530 | if (SvTRUE (ERRSV)) |
|
|
531 | { |
|
|
532 | req_free (req); |
|
|
533 | croak (0); |
|
|
534 | } |
|
|
535 | } |
560 | } |
536 | |
561 | |
537 | static void req_free (aio_req req) |
562 | static void req_destroy (aio_req req) |
538 | { |
563 | { |
539 | if (req->self) |
564 | if (req->self) |
540 | { |
565 | { |
541 | sv_unmagic (req->self, PERL_MAGIC_ext); |
566 | sv_unmagic (req->self, PERL_MAGIC_ext); |
542 | SvREFCNT_dec (req->self); |
567 | SvREFCNT_dec (req->self); |
543 | } |
568 | } |
544 | |
569 | |
545 | SvREFCNT_dec (req->fh); |
|
|
546 | SvREFCNT_dec (req->sv1); |
570 | SvREFCNT_dec (req->sv1); |
547 | SvREFCNT_dec (req->sv2); |
571 | SvREFCNT_dec (req->sv2); |
548 | SvREFCNT_dec (req->callback); |
572 | SvREFCNT_dec (req->callback); |
549 | |
573 | |
550 | if (req->flags & FLAG_PTR2_FREE) |
|
|
551 | free (req->ptr2); |
|
|
552 | |
|
|
553 | Safefree (req); |
574 | Safefree (req); |
554 | } |
575 | } |
555 | |
576 | |
556 | static void req_cancel_subs (aio_req grp) |
577 | static void req_cancel_subs (aio_req grp) |
557 | { |
578 | { |
558 | aio_req sub; |
579 | aio_req sub; |
559 | |
580 | |
560 | if (grp->type != REQ_GROUP) |
581 | if (grp->type != EIO_GROUP) |
561 | return; |
582 | return; |
562 | |
583 | |
563 | SvREFCNT_dec (grp->sv2); |
584 | SvREFCNT_dec (grp->sv2); |
564 | grp->sv2 = 0; |
585 | grp->sv2 = 0; |
565 | |
586 | |
566 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
587 | eio_grp_cancel (grp); |
567 | req_cancel (sub); |
|
|
568 | } |
588 | } |
569 | |
589 | |
570 | static void req_cancel (aio_req req) |
590 | static void |
|
|
591 | create_respipe (void) |
571 | { |
592 | { |
572 | req->flags |= FLAG_CANCELLED; |
593 | if (s_epipe_renew (&respipe)) |
573 | |
594 | croak ("IO::AIO: unable to initialize result pipe"); |
574 | req_cancel_subs (req); |
|
|
575 | } |
595 | } |
576 | |
596 | |
577 | static void *aio_proc(void *arg); |
|
|
578 | |
|
|
579 | static void start_thread (void) |
|
|
580 | { |
|
|
581 | sigset_t fullsigset, oldsigset; |
|
|
582 | pthread_attr_t attr; |
|
|
583 | |
|
|
584 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
585 | |
|
|
586 | if (!wrk) |
|
|
587 | croak ("unable to allocate worker thread data"); |
|
|
588 | |
|
|
589 | pthread_attr_init (&attr); |
|
|
590 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
591 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
592 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
593 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
594 | #endif |
|
|
595 | |
|
|
596 | sigfillset (&fullsigset); |
|
|
597 | |
|
|
598 | LOCK (wrklock); |
|
|
599 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
600 | |
|
|
601 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
602 | { |
|
|
603 | wrk->prev = &wrk_first; |
|
|
604 | wrk->next = wrk_first.next; |
|
|
605 | wrk_first.next->prev = wrk; |
|
|
606 | wrk_first.next = wrk; |
|
|
607 | ++started; |
|
|
608 | } |
|
|
609 | else |
|
|
610 | free (wrk); |
|
|
611 | |
|
|
612 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
613 | UNLOCK (wrklock); |
|
|
614 | } |
|
|
615 | |
|
|
616 | static void maybe_start_thread () |
|
|
617 | { |
|
|
618 | if (get_nthreads () >= wanted) |
|
|
619 | return; |
|
|
620 | |
|
|
621 | /* todo: maybe use idle here, but might be less exact */ |
|
|
622 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
623 | return; |
|
|
624 | |
|
|
625 | start_thread (); |
|
|
626 | } |
|
|
627 | |
|
|
628 | static void req_send (aio_req req) |
|
|
629 | { |
|
|
630 | ++nreqs; |
|
|
631 | |
|
|
632 | LOCK (reqlock); |
|
|
633 | ++nready; |
|
|
634 | reqq_push (&req_queue, req); |
|
|
635 | pthread_cond_signal (&reqwait); |
|
|
636 | UNLOCK (reqlock); |
|
|
637 | |
|
|
638 | maybe_start_thread (); |
|
|
639 | } |
|
|
640 | |
|
|
641 | static void end_thread (void) |
|
|
642 | { |
|
|
643 | aio_req req; |
|
|
644 | |
|
|
645 | Newz (0, req, 1, aio_cb); |
|
|
646 | |
|
|
647 | req->type = REQ_QUIT; |
|
|
648 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
649 | |
|
|
650 | LOCK (reqlock); |
|
|
651 | reqq_push (&req_queue, req); |
|
|
652 | pthread_cond_signal (&reqwait); |
|
|
653 | UNLOCK (reqlock); |
|
|
654 | |
|
|
655 | LOCK (wrklock); |
|
|
656 | --started; |
|
|
657 | UNLOCK (wrklock); |
|
|
658 | } |
|
|
659 | |
|
|
660 | static void set_max_idle (int nthreads) |
|
|
661 | { |
|
|
662 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
663 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
664 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
665 | } |
|
|
666 | |
|
|
667 | static void min_parallel (int nthreads) |
|
|
668 | { |
|
|
669 | if (wanted < nthreads) |
|
|
670 | wanted = nthreads; |
|
|
671 | } |
|
|
672 | |
|
|
673 | static void max_parallel (int nthreads) |
|
|
674 | { |
|
|
675 | if (wanted > nthreads) |
|
|
676 | wanted = nthreads; |
|
|
677 | |
|
|
678 | while (started > wanted) |
|
|
679 | end_thread (); |
|
|
680 | } |
|
|
681 | |
|
|
682 | static void poll_wait () |
597 | static void poll_wait (void) |
683 | { |
598 | { |
684 | fd_set rfd; |
|
|
685 | |
|
|
686 | while (nreqs) |
599 | while (eio_nreqs ()) |
687 | { |
600 | { |
688 | int size; |
601 | int size; |
689 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
602 | |
|
|
603 | X_LOCK (reslock); |
690 | size = res_queue.size; |
604 | size = res_queue.size; |
691 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
605 | X_UNLOCK (reslock); |
692 | |
606 | |
693 | if (size) |
607 | if (size) |
694 | return; |
608 | return; |
695 | |
609 | |
696 | maybe_start_thread (); |
610 | etp_maybe_start_thread (); |
697 | |
611 | |
698 | FD_ZERO(&rfd); |
612 | s_epipe_wait (&respipe); |
699 | FD_SET(respipe [0], &rfd); |
|
|
700 | |
|
|
701 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
702 | } |
613 | } |
703 | } |
614 | } |
704 | |
615 | |
705 | static int poll_cb () |
616 | static int poll_cb (void) |
706 | { |
617 | { |
707 | dSP; |
|
|
708 | int count = 0; |
|
|
709 | int maxreqs = max_poll_reqs; |
|
|
710 | int do_croak = 0; |
|
|
711 | struct timeval tv_start, tv_now; |
|
|
712 | aio_req req; |
|
|
713 | |
|
|
714 | if (max_poll_time) |
|
|
715 | gettimeofday (&tv_start, 0); |
|
|
716 | |
|
|
717 | for (;;) |
618 | for (;;) |
718 | { |
619 | { |
719 | for (;;) |
620 | int res = eio_poll (); |
720 | { |
|
|
721 | maybe_start_thread (); |
|
|
722 | |
621 | |
723 | LOCK (reslock); |
622 | if (res > 0) |
724 | req = reqq_shift (&res_queue); |
|
|
725 | |
|
|
726 | if (req) |
|
|
727 | { |
|
|
728 | --npending; |
|
|
729 | |
|
|
730 | if (!res_queue.size) |
|
|
731 | { |
|
|
732 | /* read any signals sent by the worker threads */ |
|
|
733 | char buf [32]; |
|
|
734 | while (read (respipe [0], buf, 32) == 32) |
|
|
735 | ; |
|
|
736 | } |
|
|
737 | } |
|
|
738 | |
|
|
739 | UNLOCK (reslock); |
|
|
740 | |
|
|
741 | if (!req) |
|
|
742 | break; |
|
|
743 | |
|
|
744 | --nreqs; |
|
|
745 | |
|
|
746 | if (req->type == REQ_GROUP && req->size) |
|
|
747 | { |
|
|
748 | req->int1 = 1; /* mark request as delayed */ |
|
|
749 | continue; |
|
|
750 | } |
|
|
751 | else |
|
|
752 | { |
|
|
753 | req_invoke (req); |
|
|
754 | |
|
|
755 | count++; |
|
|
756 | } |
|
|
757 | |
|
|
758 | req_free (req); |
|
|
759 | |
|
|
760 | if (maxreqs && !--maxreqs) |
|
|
761 | break; |
|
|
762 | |
|
|
763 | if (max_poll_time) |
|
|
764 | { |
|
|
765 | gettimeofday (&tv_now, 0); |
|
|
766 | |
|
|
767 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
768 | break; |
|
|
769 | } |
|
|
770 | } |
|
|
771 | |
|
|
772 | if (nreqs <= max_outstanding) |
|
|
773 | break; |
623 | croak (0); |
|
|
624 | |
|
|
625 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
626 | return res; |
774 | |
627 | |
775 | poll_wait (); |
628 | poll_wait (); |
776 | |
|
|
777 | ++maxreqs; |
|
|
778 | } |
629 | } |
779 | |
|
|
780 | return count; |
|
|
781 | } |
630 | } |
782 | |
631 | |
783 | static void create_pipe () |
632 | static void atfork_child (void) |
784 | { |
633 | { |
785 | if (pipe (respipe)) |
634 | create_respipe (); |
786 | croak ("unable to initialize result pipe"); |
|
|
787 | |
|
|
788 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
789 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
790 | |
|
|
791 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
792 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
793 | } |
635 | } |
794 | |
636 | |
795 | /*****************************************************************************/ |
637 | /*****************************************************************************/ |
796 | /* work around various missing functions */ |
|
|
797 | |
638 | |
798 | #if !HAVE_PREADWRITE |
639 | #if !_POSIX_MAPPED_FILES |
799 | # define pread aio_pread |
640 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
800 | # define pwrite aio_pwrite |
641 | # define munmap(addr,length) (errno = ENOSYS, -1) |
801 | |
642 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
802 | /* |
643 | # define PROT_NONE 0 |
803 | * make our pread/pwrite safe against themselves, but not against |
644 | # define PROT_WRITE 0 |
804 | * normal read/write by using a mutex. slows down execution a lot, |
645 | # define MAP_PRIVATE 0 |
805 | * but that's your problem, not mine. |
646 | # define MAP_SHARED 0 |
806 | */ |
647 | # define MAP_FIXED 0 |
807 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
808 | |
|
|
809 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
810 | { |
|
|
811 | ssize_t res; |
|
|
812 | off_t ooffset; |
|
|
813 | |
|
|
814 | LOCK (preadwritelock); |
|
|
815 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
816 | lseek (fd, offset, SEEK_SET); |
|
|
817 | res = read (fd, buf, count); |
|
|
818 | lseek (fd, ooffset, SEEK_SET); |
|
|
819 | UNLOCK (preadwritelock); |
|
|
820 | |
|
|
821 | return res; |
|
|
822 | } |
|
|
823 | |
|
|
824 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
825 | { |
|
|
826 | ssize_t res; |
|
|
827 | off_t ooffset; |
|
|
828 | |
|
|
829 | LOCK (preadwritelock); |
|
|
830 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
831 | lseek (fd, offset, SEEK_SET); |
|
|
832 | res = write (fd, buf, count); |
|
|
833 | lseek (fd, offset, SEEK_SET); |
|
|
834 | UNLOCK (preadwritelock); |
|
|
835 | |
|
|
836 | return res; |
|
|
837 | } |
|
|
838 | #endif |
|
|
839 | |
|
|
840 | #if !HAVE_FDATASYNC |
|
|
841 | # define fdatasync fsync |
|
|
842 | #endif |
|
|
843 | |
|
|
844 | #if !HAVE_READAHEAD |
|
|
845 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
846 | |
|
|
847 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
848 | { |
|
|
849 | dBUF; |
|
|
850 | |
|
|
851 | while (count > 0) |
|
|
852 | { |
|
|
853 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
854 | |
|
|
855 | pread (fd, aio_buf, len, offset); |
|
|
856 | offset += len; |
|
|
857 | count -= len; |
|
|
858 | } |
|
|
859 | |
|
|
860 | errno = 0; |
|
|
861 | } |
|
|
862 | |
|
|
863 | #endif |
|
|
864 | |
|
|
865 | #if !HAVE_READDIR_R |
|
|
866 | # define readdir_r aio_readdir_r |
|
|
867 | |
|
|
868 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
869 | |
|
|
870 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
871 | { |
|
|
872 | struct dirent *e; |
|
|
873 | int errorno; |
|
|
874 | |
|
|
875 | LOCK (readdirlock); |
|
|
876 | |
|
|
877 | e = readdir (dirp); |
|
|
878 | errorno = errno; |
|
|
879 | |
|
|
880 | if (e) |
|
|
881 | { |
|
|
882 | *res = ent; |
|
|
883 | strcpy (ent->d_name, e->d_name); |
|
|
884 | } |
|
|
885 | else |
|
|
886 | *res = 0; |
|
|
887 | |
|
|
888 | UNLOCK (readdirlock); |
|
|
889 | |
|
|
890 | errno = errorno; |
|
|
891 | return e ? 0 : -1; |
|
|
892 | } |
|
|
893 | #endif |
|
|
894 | |
|
|
895 | /* sendfile always needs emulation */ |
|
|
896 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
897 | { |
|
|
898 | ssize_t res; |
|
|
899 | |
|
|
900 | if (!count) |
|
|
901 | return 0; |
|
|
902 | |
|
|
903 | #if HAVE_SENDFILE |
|
|
904 | # if __linux |
|
|
905 | res = sendfile (ofd, ifd, &offset, count); |
|
|
906 | |
|
|
907 | # elif __freebsd |
|
|
908 | /* |
|
|
909 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
910 | * wasted on making it similar to other I/O functions. |
|
|
911 | */ |
|
|
912 | { |
|
|
913 | off_t sbytes; |
|
|
914 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
915 | |
|
|
916 | if (res < 0 && sbytes) |
|
|
917 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
918 | res = sbytes; |
|
|
919 | } |
|
|
920 | |
|
|
921 | # elif __hpux |
|
|
922 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
923 | |
|
|
924 | # elif __solaris |
|
|
925 | { |
|
|
926 | struct sendfilevec vec; |
|
|
927 | size_t sbytes; |
|
|
928 | |
|
|
929 | vec.sfv_fd = ifd; |
|
|
930 | vec.sfv_flag = 0; |
|
|
931 | vec.sfv_off = offset; |
|
|
932 | vec.sfv_len = count; |
|
|
933 | |
|
|
934 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
935 | |
|
|
936 | if (res < 0 && sbytes) |
|
|
937 | res = sbytes; |
|
|
938 | } |
|
|
939 | |
|
|
940 | # endif |
648 | #endif |
941 | #else |
|
|
942 | res = -1; |
|
|
943 | errno = ENOSYS; |
|
|
944 | #endif |
|
|
945 | |
649 | |
946 | if (res < 0 |
650 | #define MMAP_MAGIC PERL_MAGIC_ext |
947 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
948 | #if __solaris |
|
|
949 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
950 | #endif |
|
|
951 | ) |
|
|
952 | ) |
|
|
953 | { |
|
|
954 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
955 | dBUF; |
|
|
956 | |
651 | |
957 | res = 0; |
652 | static int |
|
|
653 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
654 | { |
|
|
655 | int old_errno = errno; |
|
|
656 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
657 | errno = old_errno; |
958 | |
658 | |
959 | while (count) |
659 | mg->mg_obj = 0; /* just in case */ |
960 | { |
|
|
961 | ssize_t cnt; |
|
|
962 | |
|
|
963 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
964 | |
660 | |
965 | if (cnt <= 0) |
661 | SvREADONLY_off (sv); |
966 | { |
|
|
967 | if (cnt && !res) res = -1; |
|
|
968 | break; |
|
|
969 | } |
|
|
970 | |
662 | |
971 | cnt = write (ofd, aio_buf, cnt); |
663 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
664 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
972 | |
665 | |
973 | if (cnt <= 0) |
666 | SvCUR_set (sv, 0); |
974 | { |
667 | SvPVX (sv) = 0; |
975 | if (cnt && !res) res = -1; |
668 | SvOK_off (sv); |
976 | break; |
|
|
977 | } |
|
|
978 | |
669 | |
979 | offset += cnt; |
|
|
980 | res += cnt; |
|
|
981 | count -= cnt; |
|
|
982 | } |
|
|
983 | } |
|
|
984 | |
|
|
985 | return res; |
670 | return 0; |
986 | } |
671 | } |
987 | |
672 | |
988 | /* read a full directory */ |
673 | static MGVTBL mmap_vtbl = { |
989 | static void scandir_ (aio_req req, worker *self) |
674 | 0, 0, 0, 0, mmap_free |
990 | { |
675 | }; |
991 | DIR *dirp; |
|
|
992 | union |
|
|
993 | { |
|
|
994 | struct dirent d; |
|
|
995 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
996 | } *u; |
|
|
997 | struct dirent *entp; |
|
|
998 | char *name, *names; |
|
|
999 | int memlen = 4096; |
|
|
1000 | int memofs = 0; |
|
|
1001 | int res = 0; |
|
|
1002 | int errorno; |
|
|
1003 | |
|
|
1004 | LOCK (wrklock); |
|
|
1005 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1006 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1007 | req->flags |= FLAG_PTR2_FREE; |
|
|
1008 | req->ptr2 = names = malloc (memlen); |
|
|
1009 | UNLOCK (wrklock); |
|
|
1010 | |
|
|
1011 | if (dirp && u && names) |
|
|
1012 | for (;;) |
|
|
1013 | { |
|
|
1014 | errno = 0; |
|
|
1015 | readdir_r (dirp, &u->d, &entp); |
|
|
1016 | |
|
|
1017 | if (!entp) |
|
|
1018 | break; |
|
|
1019 | |
|
|
1020 | name = entp->d_name; |
|
|
1021 | |
|
|
1022 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1023 | { |
|
|
1024 | int len = strlen (name) + 1; |
|
|
1025 | |
|
|
1026 | res++; |
|
|
1027 | |
|
|
1028 | while (memofs + len > memlen) |
|
|
1029 | { |
|
|
1030 | memlen *= 2; |
|
|
1031 | LOCK (wrklock); |
|
|
1032 | req->ptr2 = names = realloc (names, memlen); |
|
|
1033 | UNLOCK (wrklock); |
|
|
1034 | |
|
|
1035 | if (!names) |
|
|
1036 | break; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | memcpy (names + memofs, name, len); |
|
|
1040 | memofs += len; |
|
|
1041 | } |
|
|
1042 | } |
|
|
1043 | |
|
|
1044 | if (errno) |
|
|
1045 | res = -1; |
|
|
1046 | |
|
|
1047 | req->result = res; |
|
|
1048 | } |
|
|
1049 | |
676 | |
1050 | /*****************************************************************************/ |
677 | /*****************************************************************************/ |
1051 | |
678 | |
1052 | static void *aio_proc (void *thr_arg) |
679 | static SV * |
|
|
680 | get_cb (SV *cb_sv) |
1053 | { |
681 | { |
1054 | aio_req req; |
682 | SvGETMAGIC (cb_sv); |
1055 | struct timespec ts; |
683 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
1056 | worker *self = (worker *)thr_arg; |
|
|
1057 | |
|
|
1058 | /* try to distribute timeouts somewhat evenly */ |
|
|
1059 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1060 | * (1000000000UL / 1024UL); |
|
|
1061 | |
|
|
1062 | for (;;) |
|
|
1063 | { |
|
|
1064 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1065 | |
|
|
1066 | LOCK (reqlock); |
|
|
1067 | |
|
|
1068 | for (;;) |
|
|
1069 | { |
|
|
1070 | self->req = req = reqq_shift (&req_queue); |
|
|
1071 | |
|
|
1072 | if (req) |
|
|
1073 | break; |
|
|
1074 | |
|
|
1075 | ++idle; |
|
|
1076 | |
|
|
1077 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1078 | == ETIMEDOUT) |
|
|
1079 | { |
|
|
1080 | if (idle > max_idle) |
|
|
1081 | { |
|
|
1082 | --idle; |
|
|
1083 | UNLOCK (reqlock); |
|
|
1084 | LOCK (wrklock); |
|
|
1085 | --started; |
|
|
1086 | UNLOCK (wrklock); |
|
|
1087 | goto quit; |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1091 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1092 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1093 | } |
|
|
1094 | |
|
|
1095 | --idle; |
|
|
1096 | } |
|
|
1097 | |
|
|
1098 | --nready; |
|
|
1099 | |
|
|
1100 | UNLOCK (reqlock); |
|
|
1101 | |
|
|
1102 | errno = 0; /* strictly unnecessary */ |
|
|
1103 | |
|
|
1104 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1105 | switch (req->type) |
|
|
1106 | { |
|
|
1107 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1108 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1109 | |
|
|
1110 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1111 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1112 | |
|
|
1113 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1114 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1115 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1116 | |
|
|
1117 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1118 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1119 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1120 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1121 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1122 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1123 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1124 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1125 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1126 | |
|
|
1127 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1128 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1129 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1130 | |
|
|
1131 | case REQ_BUSY: |
|
|
1132 | { |
|
|
1133 | struct timeval tv; |
|
|
1134 | |
|
|
1135 | tv.tv_sec = req->int1; |
|
|
1136 | tv.tv_usec = req->int2; |
|
|
1137 | |
|
|
1138 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1139 | } |
|
|
1140 | |
|
|
1141 | case REQ_GROUP: |
|
|
1142 | case REQ_NOP: |
|
|
1143 | break; |
|
|
1144 | |
|
|
1145 | case REQ_QUIT: |
|
|
1146 | goto quit; |
|
|
1147 | |
|
|
1148 | default: |
|
|
1149 | req->result = ENOSYS; |
|
|
1150 | break; |
|
|
1151 | } |
|
|
1152 | |
|
|
1153 | req->errorno = errno; |
|
|
1154 | |
|
|
1155 | LOCK (reslock); |
|
|
1156 | |
|
|
1157 | ++npending; |
|
|
1158 | |
|
|
1159 | if (!reqq_push (&res_queue, req)) |
|
|
1160 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1161 | write (respipe [1], &respipe, 1); |
|
|
1162 | |
|
|
1163 | self->req = 0; |
|
|
1164 | worker_clear (self); |
|
|
1165 | |
|
|
1166 | UNLOCK (reslock); |
|
|
1167 | } |
|
|
1168 | |
|
|
1169 | quit: |
|
|
1170 | LOCK (wrklock); |
|
|
1171 | worker_free (self); |
|
|
1172 | UNLOCK (wrklock); |
|
|
1173 | |
|
|
1174 | return 0; |
|
|
1175 | } |
|
|
1176 | |
|
|
1177 | /*****************************************************************************/ |
|
|
1178 | |
|
|
1179 | static void atfork_prepare (void) |
|
|
1180 | { |
|
|
1181 | LOCK (wrklock); |
|
|
1182 | LOCK (reqlock); |
|
|
1183 | LOCK (reslock); |
|
|
1184 | #if !HAVE_PREADWRITE |
|
|
1185 | LOCK (preadwritelock); |
|
|
1186 | #endif |
|
|
1187 | #if !HAVE_READDIR_R |
|
|
1188 | LOCK (readdirlock); |
|
|
1189 | #endif |
|
|
1190 | } |
|
|
1191 | |
|
|
1192 | static void atfork_parent (void) |
|
|
1193 | { |
|
|
1194 | #if !HAVE_READDIR_R |
|
|
1195 | UNLOCK (readdirlock); |
|
|
1196 | #endif |
|
|
1197 | #if !HAVE_PREADWRITE |
|
|
1198 | UNLOCK (preadwritelock); |
|
|
1199 | #endif |
|
|
1200 | UNLOCK (reslock); |
|
|
1201 | UNLOCK (reqlock); |
|
|
1202 | UNLOCK (wrklock); |
|
|
1203 | } |
|
|
1204 | |
|
|
1205 | static void atfork_child (void) |
|
|
1206 | { |
|
|
1207 | aio_req prv; |
|
|
1208 | |
|
|
1209 | while (prv = reqq_shift (&req_queue)) |
|
|
1210 | req_free (prv); |
|
|
1211 | |
|
|
1212 | while (prv = reqq_shift (&res_queue)) |
|
|
1213 | req_free (prv); |
|
|
1214 | |
|
|
1215 | while (wrk_first.next != &wrk_first) |
|
|
1216 | { |
|
|
1217 | worker *wrk = wrk_first.next; |
|
|
1218 | |
|
|
1219 | if (wrk->req) |
|
|
1220 | req_free (wrk->req); |
|
|
1221 | |
|
|
1222 | worker_clear (wrk); |
|
|
1223 | worker_free (wrk); |
|
|
1224 | } |
|
|
1225 | |
|
|
1226 | started = 0; |
|
|
1227 | idle = 0; |
|
|
1228 | nreqs = 0; |
|
|
1229 | nready = 0; |
|
|
1230 | npending = 0; |
|
|
1231 | |
|
|
1232 | close (respipe [0]); |
|
|
1233 | close (respipe [1]); |
|
|
1234 | create_pipe (); |
|
|
1235 | |
|
|
1236 | atfork_parent (); |
|
|
1237 | } |
684 | } |
1238 | |
685 | |
1239 | #define dREQ \ |
686 | #define dREQ \ |
|
|
687 | SV *cb_cv; \ |
1240 | aio_req req; \ |
688 | aio_req req; \ |
1241 | int req_pri = next_pri; \ |
689 | int req_pri = next_pri; \ |
1242 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
690 | next_pri = EIO_PRI_DEFAULT; \ |
1243 | \ |
691 | \ |
1244 | if (SvOK (callback) && !SvROK (callback)) \ |
692 | cb_cv = get_cb (callback); \ |
1245 | croak ("callback must be undef or of reference type"); \ |
|
|
1246 | \ |
693 | \ |
1247 | Newz (0, req, 1, aio_cb); \ |
694 | Newz (0, req, 1, eio_req); \ |
1248 | if (!req) \ |
695 | if (!req) \ |
1249 | croak ("out of memory during aio_req allocation"); \ |
696 | croak ("out of memory during eio_req allocation"); \ |
1250 | \ |
697 | \ |
1251 | req->callback = newSVsv (callback); \ |
698 | req->callback = SvREFCNT_inc (cb_cv); \ |
1252 | req->pri = req_pri |
699 | req->pri = req_pri |
1253 | |
700 | |
1254 | #define REQ_SEND \ |
701 | #define REQ_SEND \ |
|
|
702 | PUTBACK; \ |
1255 | req_send (req); \ |
703 | req_submit (req); \ |
|
|
704 | SPAGAIN; \ |
1256 | \ |
705 | \ |
1257 | if (GIMME_V != G_VOID) \ |
706 | if (GIMME_V != G_VOID) \ |
1258 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
707 | XPUSHs (req_sv (req, aio_req_stash)); |
1259 | |
708 | |
1260 | MODULE = IO::AIO PACKAGE = IO::AIO |
709 | MODULE = IO::AIO PACKAGE = IO::AIO |
1261 | |
710 | |
1262 | PROTOTYPES: ENABLE |
711 | PROTOTYPES: ENABLE |
1263 | |
712 | |
1264 | BOOT: |
713 | BOOT: |
1265 | { |
714 | { |
|
|
715 | static const struct { |
|
|
716 | const char *name; |
|
|
717 | IV iv; |
|
|
718 | } *civ, const_iv[] = { |
|
|
719 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
720 | # define const_iv(name) { # name, (IV) name }, |
|
|
721 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
722 | const_iv (EXDEV) |
|
|
723 | const_iv (ENOSYS) |
|
|
724 | const_iv (O_RDONLY) |
|
|
725 | const_iv (O_WRONLY) |
|
|
726 | const_iv (O_RDWR) |
|
|
727 | const_iv (O_CREAT) |
|
|
728 | const_iv (O_TRUNC) |
|
|
729 | const_iv (O_EXCL) |
|
|
730 | const_iv (O_APPEND) |
|
|
731 | #ifndef _WIN32 |
|
|
732 | const_iv (S_IFIFO) |
|
|
733 | #endif |
|
|
734 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
735 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
736 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
737 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
738 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
739 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
740 | |
|
|
741 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
742 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
743 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
744 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
745 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
746 | |
|
|
747 | const_iv (ST_RDONLY) |
|
|
748 | const_iv (ST_NOSUID) |
|
|
749 | const_iv (ST_NODEV) |
|
|
750 | const_iv (ST_NOEXEC) |
|
|
751 | const_iv (ST_SYNCHRONOUS) |
|
|
752 | const_iv (ST_MANDLOCK) |
|
|
753 | const_iv (ST_WRITE) |
|
|
754 | const_iv (ST_APPEND) |
|
|
755 | const_iv (ST_IMMUTABLE) |
|
|
756 | const_iv (ST_NOATIME) |
|
|
757 | const_iv (ST_NODIRATIME) |
|
|
758 | const_iv (ST_RELATIME) |
|
|
759 | |
|
|
760 | const_iv (PROT_NONE) |
|
|
761 | const_iv (PROT_EXEC) |
|
|
762 | const_iv (PROT_READ) |
|
|
763 | const_iv (PROT_WRITE) |
|
|
764 | |
|
|
765 | /*const_iv (MAP_FIXED)*/ |
|
|
766 | const_iv (MAP_PRIVATE) |
|
|
767 | const_iv (MAP_SHARED) |
|
|
768 | const_iv (MAP_ANONYMOUS) |
|
|
769 | |
|
|
770 | /* linuxish */ |
|
|
771 | const_iv (MAP_HUGETLB) |
|
|
772 | const_iv (MAP_LOCKED) |
|
|
773 | const_iv (MAP_NORESERVE) |
|
|
774 | const_iv (MAP_POPULATE) |
|
|
775 | const_iv (MAP_NONBLOCK) |
|
|
776 | |
|
|
777 | const_eio (MCL_FUTURE) |
|
|
778 | const_eio (MCL_CURRENT) |
|
|
779 | |
|
|
780 | const_eio (MS_ASYNC) |
|
|
781 | const_eio (MS_INVALIDATE) |
|
|
782 | const_eio (MS_SYNC) |
|
|
783 | |
|
|
784 | const_eio (MT_MODIFY) |
|
|
785 | |
|
|
786 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
787 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
788 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
789 | |
|
|
790 | const_eio (READDIR_DENTS) |
|
|
791 | const_eio (READDIR_DIRS_FIRST) |
|
|
792 | const_eio (READDIR_STAT_ORDER) |
|
|
793 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
794 | |
|
|
795 | const_eio (DT_UNKNOWN) |
|
|
796 | const_eio (DT_FIFO) |
|
|
797 | const_eio (DT_CHR) |
|
|
798 | const_eio (DT_DIR) |
|
|
799 | const_eio (DT_BLK) |
|
|
800 | const_eio (DT_REG) |
|
|
801 | const_eio (DT_LNK) |
|
|
802 | const_eio (DT_SOCK) |
|
|
803 | const_eio (DT_WHT) |
|
|
804 | }; |
|
|
805 | |
1266 | HV *stash = gv_stashpv ("IO::AIO", 1); |
806 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
807 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
808 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1267 | |
809 | |
1268 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
810 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1269 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
811 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
1270 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1271 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1272 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1273 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1274 | |
812 | |
|
|
813 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
814 | |
1275 | create_pipe (); |
815 | create_respipe (); |
1276 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
816 | |
|
|
817 | if (eio_init (want_poll, done_poll) < 0) |
|
|
818 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
819 | |
|
|
820 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
821 | X_THREAD_ATFORK (0, 0, atfork_child); |
1277 | } |
822 | } |
1278 | |
823 | |
1279 | void |
824 | void |
1280 | max_poll_reqs (int nreqs) |
825 | max_poll_reqs (int nreqs) |
1281 | PROTOTYPE: $ |
826 | PROTOTYPE: $ |
1282 | CODE: |
827 | CODE: |
1283 | max_poll_reqs = nreqs; |
828 | eio_set_max_poll_reqs (nreqs); |
1284 | |
829 | |
1285 | void |
830 | void |
1286 | max_poll_time (double nseconds) |
831 | max_poll_time (double nseconds) |
1287 | PROTOTYPE: $ |
832 | PROTOTYPE: $ |
1288 | CODE: |
833 | CODE: |
1289 | max_poll_time = nseconds * AIO_TICKS; |
834 | eio_set_max_poll_time (nseconds); |
1290 | |
835 | |
1291 | void |
836 | void |
1292 | min_parallel (int nthreads) |
837 | min_parallel (int nthreads) |
1293 | PROTOTYPE: $ |
838 | PROTOTYPE: $ |
|
|
839 | CODE: |
|
|
840 | eio_set_min_parallel (nthreads); |
1294 | |
841 | |
1295 | void |
842 | void |
1296 | max_parallel (int nthreads) |
843 | max_parallel (int nthreads) |
1297 | PROTOTYPE: $ |
844 | PROTOTYPE: $ |
|
|
845 | CODE: |
|
|
846 | eio_set_max_parallel (nthreads); |
1298 | |
847 | |
1299 | void |
848 | void |
1300 | max_idle (int nthreads) |
849 | max_idle (int nthreads) |
1301 | PROTOTYPE: $ |
850 | PROTOTYPE: $ |
1302 | CODE: |
851 | CODE: |
1303 | set_max_idle (nthreads); |
852 | eio_set_max_idle (nthreads); |
1304 | |
853 | |
1305 | int |
854 | void |
1306 | max_outstanding (int maxreqs) |
855 | max_outstanding (int maxreqs) |
1307 | PROTOTYPE: $ |
856 | PROTOTYPE: $ |
1308 | CODE: |
857 | CODE: |
1309 | RETVAL = max_outstanding; |
|
|
1310 | max_outstanding = maxreqs; |
858 | max_outstanding = maxreqs; |
1311 | OUTPUT: |
|
|
1312 | RETVAL |
|
|
1313 | |
859 | |
1314 | void |
860 | void |
1315 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
861 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1316 | SV8 * pathname |
|
|
1317 | int flags |
|
|
1318 | int mode |
|
|
1319 | SV * callback |
|
|
1320 | PROTOTYPE: $$$;$ |
|
|
1321 | PPCODE: |
862 | PPCODE: |
1322 | { |
863 | { |
1323 | dREQ; |
864 | dREQ; |
1324 | |
865 | |
1325 | req->type = REQ_OPEN; |
866 | req->type = EIO_OPEN; |
1326 | req->sv1 = newSVsv (pathname); |
867 | req->sv1 = newSVsv (pathname); |
1327 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
868 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1328 | req->int1 = flags; |
869 | req->int1 = flags; |
1329 | req->mode = mode; |
870 | req->int2 = mode; |
1330 | |
871 | |
1331 | REQ_SEND; |
872 | REQ_SEND; |
1332 | } |
873 | } |
1333 | |
874 | |
1334 | void |
875 | void |
1335 | aio_close (fh,callback=&PL_sv_undef) |
876 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1336 | SV * fh |
|
|
1337 | SV * callback |
|
|
1338 | PROTOTYPE: $;$ |
|
|
1339 | ALIAS: |
877 | ALIAS: |
1340 | aio_close = REQ_CLOSE |
|
|
1341 | aio_fsync = REQ_FSYNC |
878 | aio_fsync = EIO_FSYNC |
1342 | aio_fdatasync = REQ_FDATASYNC |
879 | aio_fdatasync = EIO_FDATASYNC |
1343 | PPCODE: |
880 | PPCODE: |
1344 | { |
881 | { |
|
|
882 | int fd = s_fileno_croak (fh, 0); |
1345 | dREQ; |
883 | dREQ; |
1346 | |
884 | |
1347 | req->type = ix; |
885 | req->type = ix; |
1348 | req->fh = newSVsv (fh); |
886 | req->sv1 = newSVsv (fh); |
1349 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
887 | req->int1 = fd; |
1350 | |
888 | |
1351 | REQ_SEND (req); |
889 | REQ_SEND (req); |
1352 | } |
890 | } |
1353 | |
891 | |
1354 | void |
892 | void |
|
|
893 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
894 | PPCODE: |
|
|
895 | { |
|
|
896 | int fd = s_fileno_croak (fh, 0); |
|
|
897 | dREQ; |
|
|
898 | |
|
|
899 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
900 | req->sv1 = newSVsv (fh); |
|
|
901 | req->int1 = fd; |
|
|
902 | req->offs = offset; |
|
|
903 | req->size = nbytes; |
|
|
904 | req->int2 = flags; |
|
|
905 | |
|
|
906 | REQ_SEND (req); |
|
|
907 | } |
|
|
908 | |
|
|
909 | void |
|
|
910 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
911 | PPCODE: |
|
|
912 | { |
|
|
913 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
914 | int fd = s_fileno_croak (fh, 0); |
|
|
915 | dREQ; |
|
|
916 | |
|
|
917 | if (close_pipe < 0) |
|
|
918 | { |
|
|
919 | int pipefd [2]; |
|
|
920 | |
|
|
921 | if (pipe (pipefd) < 0 |
|
|
922 | || close (pipefd [1]) < 0 |
|
|
923 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
924 | abort (); /*D*/ |
|
|
925 | |
|
|
926 | close_pipe = pipefd [0]; |
|
|
927 | } |
|
|
928 | |
|
|
929 | req->type = EIO_DUP2; |
|
|
930 | req->int1 = close_pipe; |
|
|
931 | req->sv2 = newSVsv (fh); |
|
|
932 | req->int2 = fd; |
|
|
933 | |
|
|
934 | REQ_SEND (req); |
|
|
935 | } |
|
|
936 | |
|
|
937 | void |
1355 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
938 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1356 | SV * fh |
|
|
1357 | UV offset |
|
|
1358 | UV length |
|
|
1359 | SV8 * data |
|
|
1360 | UV dataoffset |
|
|
1361 | SV * callback |
|
|
1362 | ALIAS: |
939 | ALIAS: |
1363 | aio_read = REQ_READ |
940 | aio_read = EIO_READ |
1364 | aio_write = REQ_WRITE |
941 | aio_write = EIO_WRITE |
1365 | PROTOTYPE: $$$$$;$ |
|
|
1366 | PPCODE: |
942 | PPCODE: |
1367 | { |
943 | { |
1368 | STRLEN svlen; |
944 | STRLEN svlen; |
|
|
945 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1369 | char *svptr = SvPVbyte (data, svlen); |
946 | char *svptr = SvPVbyte (data, svlen); |
1370 | |
947 | UV len = SvUV (length); |
1371 | SvUPGRADE (data, SVt_PV); |
|
|
1372 | SvPOK_on (data); |
|
|
1373 | |
948 | |
1374 | if (dataoffset < 0) |
949 | if (dataoffset < 0) |
1375 | dataoffset += svlen; |
950 | dataoffset += svlen; |
1376 | |
951 | |
1377 | if (dataoffset < 0 || dataoffset > svlen) |
952 | if (dataoffset < 0 || dataoffset > svlen) |
1378 | croak ("data offset outside of string"); |
953 | croak ("dataoffset outside of data scalar"); |
1379 | |
954 | |
1380 | if (ix == REQ_WRITE) |
955 | if (ix == EIO_WRITE) |
1381 | { |
956 | { |
1382 | /* write: check length and adjust. */ |
957 | /* write: check length and adjust. */ |
1383 | if (length < 0 || length + dataoffset > svlen) |
958 | if (!SvOK (length) || len + dataoffset > svlen) |
1384 | length = svlen - dataoffset; |
959 | len = svlen - dataoffset; |
1385 | } |
960 | } |
1386 | else |
961 | else |
1387 | { |
962 | { |
1388 | /* read: grow scalar as necessary */ |
963 | /* read: check type and grow scalar as necessary */ |
|
|
964 | SvUPGRADE (data, SVt_PV); |
1389 | svptr = SvGROW (data, length + dataoffset); |
965 | svptr = SvGROW (data, len + dataoffset + 1); |
1390 | } |
966 | } |
1391 | |
|
|
1392 | if (length < 0) |
|
|
1393 | croak ("length must not be negative"); |
|
|
1394 | |
967 | |
1395 | { |
968 | { |
1396 | dREQ; |
969 | dREQ; |
1397 | |
970 | |
1398 | req->type = ix; |
971 | req->type = ix; |
1399 | req->fh = newSVsv (fh); |
972 | req->sv1 = newSVsv (fh); |
1400 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
973 | req->int1 = fd; |
1401 | : IoOFP (sv_2io (fh))); |
974 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1402 | req->offs = offset; |
|
|
1403 | req->size = length; |
975 | req->size = len; |
1404 | req->sv1 = SvREFCNT_inc (data); |
976 | req->sv2 = SvREFCNT_inc (data); |
1405 | req->ptr1 = (char *)svptr + dataoffset; |
977 | req->ptr2 = (char *)svptr + dataoffset; |
1406 | req->stroffset = dataoffset; |
978 | req->stroffset = dataoffset; |
1407 | |
979 | |
1408 | if (!SvREADONLY (data)) |
980 | if (!SvREADONLY (data)) |
1409 | { |
981 | { |
1410 | SvREADONLY_on (data); |
982 | SvREADONLY_on (data); |
1411 | req->flags |= FLAG_SV1_RO_OFF; |
983 | req->flags |= FLAG_SV2_RO_OFF; |
1412 | } |
984 | } |
1413 | |
985 | |
1414 | REQ_SEND; |
986 | REQ_SEND; |
1415 | } |
987 | } |
1416 | } |
988 | } |
1417 | |
989 | |
1418 | void |
990 | void |
1419 | aio_readlink (path,callback=&PL_sv_undef) |
991 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1420 | SV8 * path |
|
|
1421 | SV * callback |
|
|
1422 | PROTOTYPE: $$;$ |
|
|
1423 | PPCODE: |
992 | PPCODE: |
1424 | { |
993 | { |
1425 | SV *data; |
994 | SV *data; |
1426 | dREQ; |
995 | dREQ; |
1427 | |
996 | |
1428 | data = newSV (NAME_MAX); |
|
|
1429 | SvPOK_on (data); |
|
|
1430 | |
|
|
1431 | req->type = REQ_READLINK; |
997 | req->type = EIO_READLINK; |
1432 | req->fh = newSVsv (path); |
998 | req->sv1 = newSVsv (path); |
1433 | req->ptr2 = SvPVbyte_nolen (req->fh); |
999 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1434 | req->sv1 = data; |
|
|
1435 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1436 | |
1000 | |
1437 | REQ_SEND; |
1001 | REQ_SEND; |
1438 | } |
1002 | } |
1439 | |
1003 | |
1440 | void |
1004 | void |
1441 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1005 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1442 | SV * out_fh |
|
|
1443 | SV * in_fh |
|
|
1444 | UV in_offset |
|
|
1445 | UV length |
|
|
1446 | SV * callback |
|
|
1447 | PROTOTYPE: $$$$;$ |
|
|
1448 | PPCODE: |
1006 | PPCODE: |
1449 | { |
1007 | { |
|
|
1008 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1009 | int ofd = s_fileno_croak (out_fh, 1); |
1450 | dREQ; |
1010 | dREQ; |
1451 | |
1011 | |
1452 | req->type = REQ_SENDFILE; |
1012 | req->type = EIO_SENDFILE; |
1453 | req->fh = newSVsv (out_fh); |
1013 | req->sv1 = newSVsv (out_fh); |
1454 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1014 | req->int1 = ofd; |
1455 | req->sv2 = newSVsv (in_fh); |
1015 | req->sv2 = newSVsv (in_fh); |
1456 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1016 | req->int2 = ifd; |
1457 | req->offs = in_offset; |
1017 | req->offs = in_offset; |
1458 | req->size = length; |
1018 | req->size = length; |
1459 | |
1019 | |
1460 | REQ_SEND; |
1020 | REQ_SEND; |
1461 | } |
1021 | } |
1462 | |
1022 | |
1463 | void |
1023 | void |
1464 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1024 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1465 | SV * fh |
|
|
1466 | UV offset |
|
|
1467 | IV length |
|
|
1468 | SV * callback |
|
|
1469 | PROTOTYPE: $$$;$ |
|
|
1470 | PPCODE: |
1025 | PPCODE: |
1471 | { |
1026 | { |
|
|
1027 | int fd = s_fileno_croak (fh, 0); |
1472 | dREQ; |
1028 | dREQ; |
1473 | |
1029 | |
1474 | req->type = REQ_READAHEAD; |
1030 | req->type = EIO_READAHEAD; |
1475 | req->fh = newSVsv (fh); |
1031 | req->sv1 = newSVsv (fh); |
1476 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1032 | req->int1 = fd; |
1477 | req->offs = offset; |
1033 | req->offs = offset; |
1478 | req->size = length; |
1034 | req->size = length; |
1479 | |
1035 | |
1480 | REQ_SEND; |
1036 | REQ_SEND; |
1481 | } |
1037 | } |
1482 | |
1038 | |
1483 | void |
1039 | void |
1484 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1040 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1485 | SV8 * fh_or_path |
|
|
1486 | SV * callback |
|
|
1487 | ALIAS: |
1041 | ALIAS: |
1488 | aio_stat = REQ_STAT |
1042 | aio_stat = EIO_STAT |
1489 | aio_lstat = REQ_LSTAT |
1043 | aio_lstat = EIO_LSTAT |
|
|
1044 | aio_statvfs = EIO_STATVFS |
1490 | PPCODE: |
1045 | PPCODE: |
1491 | { |
1046 | { |
1492 | dREQ; |
1047 | dREQ; |
1493 | |
1048 | |
1494 | req->ptr2 = malloc (sizeof (Stat_t)); |
1049 | req->sv1 = newSVsv (fh_or_path); |
1495 | if (!req->ptr2) |
|
|
1496 | { |
|
|
1497 | req_free (req); |
|
|
1498 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1499 | } |
|
|
1500 | |
1050 | |
1501 | req->flags |= FLAG_PTR2_FREE; |
1051 | if (SvPOK (req->sv1)) |
1502 | |
|
|
1503 | if (SvPOK (fh_or_path)) |
|
|
1504 | { |
1052 | { |
1505 | req->type = ix; |
1053 | req->type = ix; |
1506 | req->sv1 = newSVsv (fh_or_path); |
|
|
1507 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1054 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1508 | } |
1055 | } |
1509 | else |
1056 | else |
1510 | { |
1057 | { |
1511 | req->type = REQ_FSTAT; |
1058 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
1512 | req->fh = newSVsv (fh_or_path); |
|
|
1513 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1059 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1514 | } |
1060 | } |
1515 | |
1061 | |
1516 | REQ_SEND; |
1062 | REQ_SEND; |
1517 | } |
1063 | } |
1518 | |
1064 | |
1519 | void |
1065 | void |
|
|
1066 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1067 | PPCODE: |
|
|
1068 | { |
|
|
1069 | dREQ; |
|
|
1070 | |
|
|
1071 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1072 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1073 | req->sv1 = newSVsv (fh_or_path); |
|
|
1074 | |
|
|
1075 | if (SvPOK (req->sv1)) |
|
|
1076 | { |
|
|
1077 | req->type = EIO_UTIME; |
|
|
1078 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1079 | } |
|
|
1080 | else |
|
|
1081 | { |
|
|
1082 | req->type = EIO_FUTIME; |
|
|
1083 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1084 | } |
|
|
1085 | |
|
|
1086 | REQ_SEND; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | void |
|
|
1090 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1091 | PPCODE: |
|
|
1092 | { |
|
|
1093 | dREQ; |
|
|
1094 | |
|
|
1095 | req->sv1 = newSVsv (fh_or_path); |
|
|
1096 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1097 | |
|
|
1098 | if (SvPOK (req->sv1)) |
|
|
1099 | { |
|
|
1100 | req->type = EIO_TRUNCATE; |
|
|
1101 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1102 | } |
|
|
1103 | else |
|
|
1104 | { |
|
|
1105 | req->type = EIO_FTRUNCATE; |
|
|
1106 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1107 | } |
|
|
1108 | |
|
|
1109 | REQ_SEND; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | void |
|
|
1113 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1114 | ALIAS: |
|
|
1115 | aio_chmod = EIO_CHMOD |
|
|
1116 | aio_mkdir = EIO_MKDIR |
|
|
1117 | PPCODE: |
|
|
1118 | { |
|
|
1119 | dREQ; |
|
|
1120 | |
|
|
1121 | req->int2 = mode; |
|
|
1122 | req->sv1 = newSVsv (fh_or_path); |
|
|
1123 | |
|
|
1124 | if (SvPOK (req->sv1)) |
|
|
1125 | { |
|
|
1126 | req->type = ix; |
|
|
1127 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1128 | } |
|
|
1129 | else |
|
|
1130 | { |
|
|
1131 | req->type = EIO_FCHMOD; |
|
|
1132 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1133 | } |
|
|
1134 | |
|
|
1135 | REQ_SEND; |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | void |
|
|
1139 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1140 | PPCODE: |
|
|
1141 | { |
|
|
1142 | dREQ; |
|
|
1143 | |
|
|
1144 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1145 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1146 | req->sv1 = newSVsv (fh_or_path); |
|
|
1147 | |
|
|
1148 | if (SvPOK (req->sv1)) |
|
|
1149 | { |
|
|
1150 | req->type = EIO_CHOWN; |
|
|
1151 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1152 | } |
|
|
1153 | else |
|
|
1154 | { |
|
|
1155 | req->type = EIO_FCHOWN; |
|
|
1156 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1157 | } |
|
|
1158 | |
|
|
1159 | REQ_SEND; |
|
|
1160 | } |
|
|
1161 | |
|
|
1162 | void |
|
|
1163 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1164 | PPCODE: |
|
|
1165 | { |
|
|
1166 | dREQ; |
|
|
1167 | |
|
|
1168 | req->type = EIO_READDIR; |
|
|
1169 | req->sv1 = newSVsv (pathname); |
|
|
1170 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1171 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1172 | |
|
|
1173 | if (flags & EIO_READDIR_DENTS) |
|
|
1174 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1175 | |
|
|
1176 | REQ_SEND; |
|
|
1177 | } |
|
|
1178 | |
|
|
1179 | void |
1520 | aio_unlink (pathname,callback=&PL_sv_undef) |
1180 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1521 | SV8 * pathname |
|
|
1522 | SV * callback |
|
|
1523 | ALIAS: |
1181 | ALIAS: |
1524 | aio_unlink = REQ_UNLINK |
1182 | aio_unlink = EIO_UNLINK |
1525 | aio_rmdir = REQ_RMDIR |
1183 | aio_rmdir = EIO_RMDIR |
1526 | aio_readdir = REQ_READDIR |
1184 | aio_readdir = EIO_READDIR |
1527 | PPCODE: |
1185 | PPCODE: |
1528 | { |
1186 | { |
1529 | dREQ; |
1187 | dREQ; |
1530 | |
1188 | |
1531 | req->type = ix; |
1189 | req->type = ix; |
… | |
… | |
1534 | |
1192 | |
1535 | REQ_SEND; |
1193 | REQ_SEND; |
1536 | } |
1194 | } |
1537 | |
1195 | |
1538 | void |
1196 | void |
1539 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1197 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1540 | SV8 * oldpath |
|
|
1541 | SV8 * newpath |
|
|
1542 | SV * callback |
|
|
1543 | ALIAS: |
1198 | ALIAS: |
1544 | aio_link = REQ_LINK |
1199 | aio_link = EIO_LINK |
1545 | aio_symlink = REQ_SYMLINK |
1200 | aio_symlink = EIO_SYMLINK |
1546 | aio_rename = REQ_RENAME |
1201 | aio_rename = EIO_RENAME |
1547 | PPCODE: |
1202 | PPCODE: |
1548 | { |
1203 | { |
1549 | dREQ; |
1204 | dREQ; |
1550 | |
1205 | |
1551 | req->type = ix; |
1206 | req->type = ix; |
1552 | req->fh = newSVsv (oldpath); |
1207 | req->sv1 = newSVsv (oldpath); |
1553 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1554 | req->sv1 = newSVsv (newpath); |
|
|
1555 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1208 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1209 | req->sv2 = newSVsv (newpath); |
|
|
1210 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1556 | |
1211 | |
1557 | REQ_SEND; |
1212 | REQ_SEND; |
1558 | } |
1213 | } |
1559 | |
1214 | |
1560 | void |
1215 | void |
1561 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1216 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1562 | SV8 * pathname |
|
|
1563 | SV * callback |
|
|
1564 | UV mode |
|
|
1565 | UV dev |
|
|
1566 | PPCODE: |
1217 | PPCODE: |
1567 | { |
1218 | { |
1568 | dREQ; |
1219 | dREQ; |
1569 | |
1220 | |
1570 | req->type = REQ_MKNOD; |
1221 | req->type = EIO_MKNOD; |
1571 | req->sv1 = newSVsv (pathname); |
1222 | req->sv1 = newSVsv (pathname); |
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1223 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1573 | req->mode = (mode_t)mode; |
1224 | req->int2 = (mode_t)mode; |
1574 | req->offs = dev; |
1225 | req->offs = dev; |
1575 | |
1226 | |
1576 | REQ_SEND; |
1227 | REQ_SEND; |
1577 | } |
1228 | } |
1578 | |
1229 | |
1579 | void |
1230 | void |
|
|
1231 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1232 | ALIAS: |
|
|
1233 | aio_mtouch = EIO_MTOUCH |
|
|
1234 | aio_msync = EIO_MSYNC |
|
|
1235 | PPCODE: |
|
|
1236 | { |
|
|
1237 | STRLEN svlen; |
|
|
1238 | char *svptr = SvPVbyte (data, svlen); |
|
|
1239 | UV len = SvUV (length); |
|
|
1240 | |
|
|
1241 | if (offset < 0) |
|
|
1242 | offset += svlen; |
|
|
1243 | |
|
|
1244 | if (offset < 0 || offset > svlen) |
|
|
1245 | croak ("offset outside of scalar"); |
|
|
1246 | |
|
|
1247 | if (!SvOK (length) || len + offset > svlen) |
|
|
1248 | len = svlen - offset; |
|
|
1249 | |
|
|
1250 | { |
|
|
1251 | dREQ; |
|
|
1252 | |
|
|
1253 | req->type = ix; |
|
|
1254 | req->sv2 = SvREFCNT_inc (data); |
|
|
1255 | req->ptr2 = (char *)svptr + offset; |
|
|
1256 | req->size = len; |
|
|
1257 | req->int1 = flags; |
|
|
1258 | |
|
|
1259 | REQ_SEND; |
|
|
1260 | } |
|
|
1261 | } |
|
|
1262 | |
|
|
1263 | void |
|
|
1264 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1265 | PPCODE: |
|
|
1266 | { |
|
|
1267 | STRLEN svlen; |
|
|
1268 | char *svptr = SvPVbyte (data, svlen); |
|
|
1269 | UV len = SvUV (length); |
|
|
1270 | |
|
|
1271 | if (offset < 0) |
|
|
1272 | offset += svlen; |
|
|
1273 | |
|
|
1274 | if (offset < 0 || offset > svlen) |
|
|
1275 | croak ("offset outside of scalar"); |
|
|
1276 | |
|
|
1277 | if (!SvOK (length) || len + offset > svlen) |
|
|
1278 | len = svlen - offset; |
|
|
1279 | |
|
|
1280 | { |
|
|
1281 | dREQ; |
|
|
1282 | |
|
|
1283 | req->type = EIO_MLOCK; |
|
|
1284 | req->sv2 = SvREFCNT_inc (data); |
|
|
1285 | req->ptr2 = (char *)svptr + offset; |
|
|
1286 | req->size = len; |
|
|
1287 | |
|
|
1288 | REQ_SEND; |
|
|
1289 | } |
|
|
1290 | } |
|
|
1291 | |
|
|
1292 | void |
|
|
1293 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1294 | PPCODE: |
|
|
1295 | { |
|
|
1296 | dREQ; |
|
|
1297 | |
|
|
1298 | req->type = EIO_MLOCKALL; |
|
|
1299 | req->int1 = flags; |
|
|
1300 | |
|
|
1301 | REQ_SEND; |
|
|
1302 | } |
|
|
1303 | |
|
|
1304 | void |
1580 | aio_busy (delay,callback=&PL_sv_undef) |
1305 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1581 | double delay |
|
|
1582 | SV * callback |
|
|
1583 | PPCODE: |
1306 | PPCODE: |
1584 | { |
1307 | { |
1585 | dREQ; |
1308 | dREQ; |
1586 | |
1309 | |
1587 | req->type = REQ_BUSY; |
1310 | req->type = EIO_BUSY; |
1588 | req->int1 = delay < 0. ? 0 : delay; |
1311 | req->nv1 = delay < 0. ? 0. : delay; |
1589 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1590 | |
1312 | |
1591 | REQ_SEND; |
1313 | REQ_SEND; |
1592 | } |
1314 | } |
1593 | |
1315 | |
1594 | void |
1316 | void |
1595 | aio_group (callback=&PL_sv_undef) |
1317 | aio_group (SV *callback=&PL_sv_undef) |
1596 | SV * callback |
|
|
1597 | PROTOTYPE: ;$ |
|
|
1598 | PPCODE: |
1318 | PPCODE: |
1599 | { |
1319 | { |
1600 | dREQ; |
1320 | dREQ; |
1601 | |
1321 | |
1602 | req->type = REQ_GROUP; |
1322 | req->type = EIO_GROUP; |
1603 | |
1323 | |
1604 | req_send (req); |
1324 | req_submit (req); |
1605 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1325 | XPUSHs (req_sv (req, aio_grp_stash)); |
1606 | } |
1326 | } |
1607 | |
1327 | |
1608 | void |
1328 | void |
1609 | aio_nop (callback=&PL_sv_undef) |
1329 | aio_nop (SV *callback=&PL_sv_undef) |
1610 | SV * callback |
1330 | ALIAS: |
|
|
1331 | aio_nop = EIO_NOP |
|
|
1332 | aio_sync = EIO_SYNC |
1611 | PPCODE: |
1333 | PPCODE: |
1612 | { |
1334 | { |
1613 | dREQ; |
1335 | dREQ; |
1614 | |
1336 | |
1615 | req->type = REQ_NOP; |
1337 | req->type = ix; |
1616 | |
1338 | |
1617 | REQ_SEND; |
1339 | REQ_SEND; |
1618 | } |
1340 | } |
1619 | |
1341 | |
1620 | int |
1342 | int |
1621 | aioreq_pri (int pri = 0) |
1343 | aioreq_pri (int pri = 0) |
1622 | PROTOTYPE: ;$ |
|
|
1623 | CODE: |
1344 | CODE: |
1624 | RETVAL = next_pri - PRI_BIAS; |
1345 | RETVAL = next_pri; |
1625 | if (items > 0) |
1346 | if (items > 0) |
1626 | { |
1347 | { |
1627 | if (pri < PRI_MIN) pri = PRI_MIN; |
1348 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1628 | if (pri > PRI_MAX) pri = PRI_MAX; |
1349 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1629 | next_pri = pri + PRI_BIAS; |
1350 | next_pri = pri; |
1630 | } |
1351 | } |
1631 | OUTPUT: |
1352 | OUTPUT: |
1632 | RETVAL |
1353 | RETVAL |
1633 | |
1354 | |
1634 | void |
1355 | void |
1635 | aioreq_nice (int nice = 0) |
1356 | aioreq_nice (int nice = 0) |
1636 | CODE: |
1357 | CODE: |
1637 | nice = next_pri - nice; |
1358 | nice = next_pri - nice; |
1638 | if (nice < PRI_MIN) nice = PRI_MIN; |
1359 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1639 | if (nice > PRI_MAX) nice = PRI_MAX; |
1360 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1640 | next_pri = nice + PRI_BIAS; |
1361 | next_pri = nice; |
1641 | |
1362 | |
1642 | void |
1363 | void |
1643 | flush () |
1364 | flush () |
1644 | PROTOTYPE: |
|
|
1645 | CODE: |
1365 | CODE: |
1646 | while (nreqs) |
1366 | while (eio_nreqs ()) |
1647 | { |
1367 | { |
1648 | poll_wait (); |
1368 | poll_wait (); |
1649 | poll_cb (); |
1369 | poll_cb (); |
1650 | } |
1370 | } |
1651 | |
1371 | |
1652 | int |
1372 | int |
1653 | poll() |
1373 | poll () |
1654 | PROTOTYPE: |
|
|
1655 | CODE: |
1374 | CODE: |
1656 | if (nreqs) |
|
|
1657 | { |
|
|
1658 | poll_wait (); |
1375 | poll_wait (); |
1659 | RETVAL = poll_cb (); |
1376 | RETVAL = poll_cb (); |
1660 | } |
|
|
1661 | else |
|
|
1662 | RETVAL = 0; |
|
|
1663 | OUTPUT: |
1377 | OUTPUT: |
1664 | RETVAL |
1378 | RETVAL |
1665 | |
1379 | |
1666 | int |
1380 | int |
1667 | poll_fileno() |
1381 | poll_fileno () |
1668 | PROTOTYPE: |
|
|
1669 | CODE: |
1382 | CODE: |
1670 | RETVAL = respipe [0]; |
1383 | RETVAL = s_epipe_fd (&respipe); |
1671 | OUTPUT: |
1384 | OUTPUT: |
1672 | RETVAL |
1385 | RETVAL |
1673 | |
1386 | |
1674 | int |
1387 | int |
1675 | poll_cb(...) |
1388 | poll_cb (...) |
1676 | PROTOTYPE: |
1389 | PROTOTYPE: |
1677 | CODE: |
1390 | CODE: |
1678 | RETVAL = poll_cb (); |
1391 | RETVAL = poll_cb (); |
1679 | OUTPUT: |
1392 | OUTPUT: |
1680 | RETVAL |
1393 | RETVAL |
1681 | |
1394 | |
1682 | void |
1395 | void |
1683 | poll_wait() |
1396 | poll_wait () |
1684 | PROTOTYPE: |
|
|
1685 | CODE: |
1397 | CODE: |
1686 | if (nreqs) |
|
|
1687 | poll_wait (); |
1398 | poll_wait (); |
1688 | |
1399 | |
1689 | int |
1400 | int |
1690 | nreqs() |
1401 | nreqs () |
1691 | PROTOTYPE: |
|
|
1692 | CODE: |
1402 | CODE: |
1693 | RETVAL = nreqs; |
1403 | RETVAL = eio_nreqs (); |
1694 | OUTPUT: |
1404 | OUTPUT: |
1695 | RETVAL |
1405 | RETVAL |
1696 | |
1406 | |
1697 | int |
1407 | int |
1698 | nready() |
1408 | nready () |
1699 | PROTOTYPE: |
|
|
1700 | CODE: |
1409 | CODE: |
1701 | RETVAL = get_nready (); |
1410 | RETVAL = eio_nready (); |
1702 | OUTPUT: |
1411 | OUTPUT: |
1703 | RETVAL |
1412 | RETVAL |
1704 | |
1413 | |
1705 | int |
1414 | int |
1706 | npending() |
1415 | npending () |
1707 | PROTOTYPE: |
|
|
1708 | CODE: |
1416 | CODE: |
1709 | RETVAL = get_npending (); |
1417 | RETVAL = eio_npending (); |
1710 | OUTPUT: |
1418 | OUTPUT: |
1711 | RETVAL |
1419 | RETVAL |
1712 | |
1420 | |
1713 | int |
1421 | int |
1714 | nthreads() |
1422 | nthreads () |
1715 | PROTOTYPE: |
|
|
1716 | CODE: |
1423 | CODE: |
1717 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1424 | RETVAL = eio_nthreads (); |
1718 | RETVAL = started; |
|
|
1719 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1720 | OUTPUT: |
1425 | OUTPUT: |
1721 | RETVAL |
1426 | RETVAL |
1722 | |
1427 | |
|
|
1428 | int |
|
|
1429 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1430 | CODE: |
|
|
1431 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1432 | OUTPUT: |
|
|
1433 | RETVAL |
|
|
1434 | |
|
|
1435 | ssize_t |
|
|
1436 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1437 | CODE: |
|
|
1438 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1439 | OUTPUT: |
|
|
1440 | RETVAL |
|
|
1441 | |
|
|
1442 | void |
|
|
1443 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1444 | PPCODE: |
|
|
1445 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1446 | { |
|
|
1447 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1448 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1449 | if (addr == (void *)-1) |
|
|
1450 | XSRETURN_NO; |
|
|
1451 | |
|
|
1452 | sv_force_normal (scalar); |
|
|
1453 | |
|
|
1454 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1455 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1456 | ->mg_obj = (SV *)length; |
|
|
1457 | |
|
|
1458 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1459 | |
|
|
1460 | if (!(prot & PROT_WRITE)) |
|
|
1461 | SvREADONLY_on (scalar); |
|
|
1462 | |
|
|
1463 | if (SvLEN (scalar)) |
|
|
1464 | Safefree (SvPVX (scalar)); |
|
|
1465 | |
|
|
1466 | SvPVX (scalar) = (char *)addr; |
|
|
1467 | SvCUR_set (scalar, length); |
|
|
1468 | SvLEN_set (scalar, 0); |
|
|
1469 | SvPOK_only (scalar); |
|
|
1470 | |
|
|
1471 | XSRETURN_YES; |
|
|
1472 | } |
|
|
1473 | |
|
|
1474 | void |
|
|
1475 | munmap (SV *scalar) |
|
|
1476 | CODE: |
|
|
1477 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1478 | |
|
|
1479 | int |
|
|
1480 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1481 | ALIAS: |
|
|
1482 | mprotect = 1 |
|
|
1483 | CODE: |
|
|
1484 | { |
|
|
1485 | STRLEN svlen; |
|
|
1486 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1487 | size_t len = SvUV (length); |
|
|
1488 | |
|
|
1489 | if (offset < 0) |
|
|
1490 | offset += svlen; |
|
|
1491 | |
|
|
1492 | if (offset < 0 || offset > svlen) |
|
|
1493 | croak ("offset outside of scalar"); |
|
|
1494 | |
|
|
1495 | if (!SvOK (length) || len + offset > svlen) |
|
|
1496 | len = svlen - offset; |
|
|
1497 | |
|
|
1498 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1499 | eio_page_align (&addr, &len); |
|
|
1500 | |
|
|
1501 | switch (ix) |
|
|
1502 | { |
|
|
1503 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1504 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1505 | } |
|
|
1506 | } |
|
|
1507 | OUTPUT: |
|
|
1508 | RETVAL |
|
|
1509 | |
|
|
1510 | int |
|
|
1511 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1512 | CODE: |
|
|
1513 | { |
|
|
1514 | STRLEN svlen; |
|
|
1515 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1516 | size_t len = SvUV (length); |
|
|
1517 | |
|
|
1518 | if (offset < 0) |
|
|
1519 | offset += svlen; |
|
|
1520 | |
|
|
1521 | if (offset < 0 || offset > svlen) |
|
|
1522 | croak ("offset outside of scalar"); |
|
|
1523 | |
|
|
1524 | if (!SvOK (length) || len + offset > svlen) |
|
|
1525 | len = svlen - offset; |
|
|
1526 | |
|
|
1527 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1528 | eio_page_align (&addr, &len); |
|
|
1529 | #if _POSIX_MEMLOCK_RANGE |
|
|
1530 | RETVAL = munlock (addr, len); |
|
|
1531 | #else |
|
|
1532 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1533 | #endif |
|
|
1534 | } |
|
|
1535 | OUTPUT: |
|
|
1536 | RETVAL |
|
|
1537 | |
|
|
1538 | int |
|
|
1539 | munlockall () |
|
|
1540 | CODE: |
|
|
1541 | #if _POSIX_MEMLOCK |
|
|
1542 | munlockall (); |
|
|
1543 | #else |
|
|
1544 | RETVAL = -1; |
|
|
1545 | errno = ENOSYS; |
|
|
1546 | #endif |
|
|
1547 | OUTPUT: |
|
|
1548 | RETVAL |
|
|
1549 | |
|
|
1550 | void _on_next_submit (SV *cb) |
|
|
1551 | CODE: |
|
|
1552 | SvREFCNT_dec (on_next_submit); |
|
|
1553 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1554 | |
1723 | PROTOTYPES: DISABLE |
1555 | PROTOTYPES: DISABLE |
1724 | |
1556 | |
1725 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1557 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1726 | |
1558 | |
1727 | void |
1559 | void |
1728 | cancel (aio_req_ornot req) |
1560 | cancel (aio_req_ornot req) |
1729 | CODE: |
1561 | CODE: |
1730 | req_cancel (req); |
1562 | eio_cancel (req); |
1731 | |
1563 | |
1732 | void |
1564 | void |
1733 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1565 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1734 | CODE: |
1566 | PPCODE: |
|
|
1567 | { |
|
|
1568 | if (GIMME_V != G_VOID) |
|
|
1569 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1570 | |
|
|
1571 | if (items > 1) |
|
|
1572 | { |
|
|
1573 | SV *cb_cv =get_cb (callback); |
|
|
1574 | |
1735 | SvREFCNT_dec (req->callback); |
1575 | SvREFCNT_dec (req->callback); |
1736 | req->callback = newSVsv (callback); |
1576 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1577 | } |
|
|
1578 | } |
1737 | |
1579 | |
1738 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1580 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1739 | |
1581 | |
1740 | void |
1582 | void |
1741 | add (aio_req grp, ...) |
1583 | add (aio_req grp, ...) |
1742 | PPCODE: |
1584 | PPCODE: |
1743 | { |
1585 | { |
1744 | int i; |
1586 | int i; |
1745 | aio_req req; |
|
|
1746 | |
1587 | |
1747 | if (grp->int1 == 2) |
1588 | if (grp->int1 == 2) |
1748 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1589 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1749 | |
1590 | |
1750 | for (i = 1; i < items; ++i ) |
1591 | for (i = 1; i < items; ++i ) |
1751 | { |
1592 | { |
|
|
1593 | aio_req req; |
|
|
1594 | |
1752 | if (GIMME_V != G_VOID) |
1595 | if (GIMME_V != G_VOID) |
1753 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1596 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1754 | |
1597 | |
1755 | req = SvAIO_REQ (ST (i)); |
1598 | req = SvAIO_REQ (ST (i)); |
1756 | |
1599 | |
1757 | if (req) |
1600 | if (req) |
1758 | { |
1601 | eio_grp_add (grp, req); |
1759 | ++grp->size; |
|
|
1760 | req->grp = grp; |
|
|
1761 | |
|
|
1762 | req->grp_prev = 0; |
|
|
1763 | req->grp_next = grp->grp_first; |
|
|
1764 | |
|
|
1765 | if (grp->grp_first) |
|
|
1766 | grp->grp_first->grp_prev = req; |
|
|
1767 | |
|
|
1768 | grp->grp_first = req; |
|
|
1769 | } |
|
|
1770 | } |
1602 | } |
1771 | } |
1603 | } |
1772 | |
1604 | |
1773 | void |
1605 | void |
1774 | cancel_subs (aio_req_ornot req) |
1606 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1783 | AV *av; |
1615 | AV *av; |
1784 | |
1616 | |
1785 | grp->errorno = errno; |
1617 | grp->errorno = errno; |
1786 | |
1618 | |
1787 | av = newAV (); |
1619 | av = newAV (); |
|
|
1620 | av_extend (av, items - 1); |
1788 | |
1621 | |
1789 | for (i = 1; i < items; ++i ) |
1622 | for (i = 1; i < items; ++i ) |
1790 | av_push (av, newSVsv (ST (i))); |
1623 | av_push (av, newSVsv (ST (i))); |
1791 | |
1624 | |
1792 | SvREFCNT_dec (grp->sv1); |
1625 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1799 | grp->errorno = errorno; |
1632 | grp->errorno = errorno; |
1800 | |
1633 | |
1801 | void |
1634 | void |
1802 | limit (aio_req grp, int limit) |
1635 | limit (aio_req grp, int limit) |
1803 | CODE: |
1636 | CODE: |
1804 | grp->int2 = limit; |
1637 | eio_grp_limit (grp, limit); |
1805 | aio_grp_feed (grp); |
|
|
1806 | |
1638 | |
1807 | void |
1639 | void |
1808 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1640 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1809 | CODE: |
1641 | CODE: |
1810 | { |
1642 | { |
1811 | SvREFCNT_dec (grp->sv2); |
1643 | SvREFCNT_dec (grp->sv2); |
1812 | grp->sv2 = newSVsv (callback); |
1644 | grp->sv2 = newSVsv (callback); |
|
|
1645 | grp->feed = aio_grp_feed; |
1813 | |
1646 | |
1814 | if (grp->int2 <= 0) |
1647 | if (grp->int2 <= 0) |
1815 | grp->int2 = 2; |
1648 | grp->int2 = 2; |
1816 | |
1649 | |
1817 | aio_grp_feed (grp); |
1650 | eio_grp_limit (grp, grp->int2); |
1818 | } |
1651 | } |
1819 | |
1652 | |