1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "autoconf/config.h" |
18 | |
10 | |
19 | #include <pthread.h> |
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20 | |
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21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
14 | #include <sys/time.h> |
24 | #include <sys/select.h> |
15 | #include <sys/select.h> |
25 | #include <sys/types.h> |
16 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
27 | #include <limits.h> |
18 | #include <limits.h> |
28 | #include <unistd.h> |
19 | #include <unistd.h> |
29 | #include <fcntl.h> |
20 | #include <fcntl.h> |
30 | #include <signal.h> |
21 | #include <signal.h> |
31 | #include <sched.h> |
22 | #include <sched.h> |
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23 | #include <utime.h> |
32 | |
24 | |
33 | #if HAVE_SENDFILE |
25 | #if HAVE_SENDFILE |
34 | # if __linux |
26 | # if __linux |
35 | # include <sys/sendfile.h> |
27 | # include <sys/sendfile.h> |
36 | # elif __freebsd |
28 | # elif __freebsd |
… | |
… | |
43 | # else |
35 | # else |
44 | # error sendfile support requested but not available |
36 | # error sendfile support requested but not available |
45 | # endif |
37 | # endif |
46 | #endif |
38 | #endif |
47 | |
39 | |
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40 | /* number of seconds after which idle threads exit */ |
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41 | #define IDLE_TIMEOUT 10 |
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42 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
43 | /* used for struct dirent, AIX doesn't provide it */ |
49 | #ifndef NAME_MAX |
44 | #ifndef NAME_MAX |
50 | # define NAME_MAX 4096 |
45 | # define NAME_MAX 4096 |
51 | #endif |
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52 | |
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53 | #ifndef PTHREAD_STACK_MIN |
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54 | /* care for broken platforms, e.g. windows */ |
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55 | # define PTHREAD_STACK_MIN 16384 |
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56 | #endif |
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57 | |
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58 | #if __ia64 |
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59 | # define STACKSIZE 65536 |
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60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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61 | # define STACKSIZE PTHREAD_STACK_MIN |
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62 | #else |
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63 | # define STACKSIZE 16384 |
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64 | #endif |
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65 | |
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66 | /* wether word reads are potentially non-atomic. |
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67 | * this is conservatice, likely most arches this runs |
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68 | * on have atomic word read/writes. |
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69 | */ |
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70 | #ifndef WORDREAD_UNSAFE |
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71 | # if __i386 || __x86_64 |
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72 | # define WORDREAD_UNSAFE 0 |
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73 | # else |
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74 | # define WORDREAD_UNSAFE 1 |
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75 | # endif |
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76 | #endif |
46 | #endif |
77 | |
47 | |
78 | /* buffer size for various temporary buffers */ |
48 | /* buffer size for various temporary buffers */ |
79 | #define AIO_BUFSIZE 65536 |
49 | #define AIO_BUFSIZE 65536 |
80 | |
50 | |
… | |
… | |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
54 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
85 | UNLOCK (wrklock); \ |
55 | UNLOCK (wrklock); \ |
86 | if (!aio_buf) \ |
56 | if (!aio_buf) \ |
87 | return -1; |
57 | return -1; |
88 | |
58 | |
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59 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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60 | |
89 | enum { |
61 | enum { |
90 | REQ_QUIT, |
62 | REQ_QUIT, |
91 | REQ_OPEN, REQ_CLOSE, |
63 | REQ_OPEN, REQ_CLOSE, |
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
64 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
93 | REQ_SENDFILE, |
65 | REQ_SENDFILE, |
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
66 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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67 | REQ_UTIME, REQ_FUTIME, /* must be consecutive */ |
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68 | REQ_CHMOD, REQ_FCHMOD, /* must be consecutive */ |
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69 | REQ_CHOWN, REQ_FCHOWN, /* must be consecutive */ |
95 | REQ_FSYNC, REQ_FDATASYNC, |
70 | REQ_FSYNC, REQ_FDATASYNC, |
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
71 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
97 | REQ_READDIR, |
72 | REQ_MKNOD, REQ_READDIR, |
98 | REQ_LINK, REQ_SYMLINK, |
73 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
99 | REQ_GROUP, REQ_NOP, |
74 | REQ_GROUP, REQ_NOP, |
100 | REQ_BUSY, |
75 | REQ_BUSY, |
101 | }; |
76 | }; |
102 | |
77 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
78 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
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105 | |
80 | |
106 | typedef struct aio_cb |
81 | typedef struct aio_cb |
107 | { |
82 | { |
108 | struct aio_cb *volatile next; |
83 | struct aio_cb *volatile next; |
109 | |
84 | |
110 | SV *data, *callback; |
85 | SV *callback; |
111 | SV *fh, *fh2; |
86 | SV *sv1, *sv2; |
112 | void *dataptr, *data2ptr; |
87 | void *ptr1, *ptr2; |
113 | Stat_t *statdata; |
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114 | off_t offset; |
88 | off_t offs; |
115 | size_t length; |
89 | size_t size; |
116 | ssize_t result; |
90 | ssize_t result; |
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91 | double nv1, nv2; |
117 | |
92 | |
118 | STRLEN dataoffset; |
93 | STRLEN stroffset; |
119 | int type; |
94 | int type; |
120 | int fd, fd2; |
95 | int int1, int2, int3; |
121 | int errorno; |
96 | int errorno; |
122 | mode_t mode; /* open */ |
97 | mode_t mode; /* open */ |
123 | |
98 | |
124 | unsigned char flags; |
99 | unsigned char flags; |
125 | unsigned char pri; |
100 | unsigned char pri; |
… | |
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127 | SV *self; /* the perl counterpart of this request, if any */ |
102 | SV *self; /* the perl counterpart of this request, if any */ |
128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
103 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
129 | } aio_cb; |
104 | } aio_cb; |
130 | |
105 | |
131 | enum { |
106 | enum { |
132 | FLAG_CANCELLED = 0x01, |
107 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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108 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
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109 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
133 | }; |
110 | }; |
134 | |
111 | |
135 | typedef aio_cb *aio_req; |
112 | typedef aio_cb *aio_req; |
136 | typedef aio_cb *aio_req_ornot; |
113 | typedef aio_cb *aio_req_ornot; |
137 | |
114 | |
… | |
… | |
142 | DEFAULT_PRI = 0, |
119 | DEFAULT_PRI = 0, |
143 | PRI_BIAS = -PRI_MIN, |
120 | PRI_BIAS = -PRI_MIN, |
144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
121 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
145 | }; |
122 | }; |
146 | |
123 | |
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124 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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125 | |
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126 | static unsigned int max_poll_time = 0; |
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127 | static unsigned int max_poll_reqs = 0; |
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128 | |
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129 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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130 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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131 | { |
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132 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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133 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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134 | } |
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135 | |
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136 | static thread_t main_tid; |
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137 | static int main_sig; |
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138 | static int block_sig_level; |
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139 | |
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140 | void block_sig () |
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141 | { |
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142 | sigset_t ss; |
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143 | |
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144 | if (block_sig_level++) |
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145 | return; |
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146 | |
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147 | if (!main_sig) |
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148 | return; |
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149 | |
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150 | sigemptyset (&ss); |
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151 | sigaddset (&ss, main_sig); |
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152 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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153 | } |
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154 | |
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155 | void unblock_sig () |
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156 | { |
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157 | sigset_t ss; |
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158 | |
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159 | if (--block_sig_level) |
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160 | return; |
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161 | |
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162 | if (!main_sig) |
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163 | return; |
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164 | |
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165 | sigemptyset (&ss); |
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166 | sigaddset (&ss, main_sig); |
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167 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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168 | } |
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169 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
170 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
148 | |
171 | |
149 | static unsigned int started, wanted; |
172 | static unsigned int started, idle, wanted; |
150 | |
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151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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153 | #else |
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154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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155 | #endif |
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156 | |
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157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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159 | |
173 | |
160 | /* worker threads management */ |
174 | /* worker threads management */ |
161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
175 | static mutex_t wrklock = MUTEX_INIT; |
162 | |
176 | |
163 | typedef struct worker { |
177 | typedef struct worker { |
164 | /* locked by wrklock */ |
178 | /* locked by wrklock */ |
165 | struct worker *prev, *next; |
179 | struct worker *prev, *next; |
166 | |
180 | |
167 | pthread_t tid; |
181 | thread_t tid; |
168 | |
182 | |
169 | /* locked by reslock, reqlock or wrklock */ |
183 | /* locked by reslock, reqlock or wrklock */ |
170 | aio_req req; /* currently processed request */ |
184 | aio_req req; /* currently processed request */ |
171 | void *dbuf; |
185 | void *dbuf; |
172 | DIR *dirp; |
186 | DIR *dirp; |
… | |
… | |
196 | |
210 | |
197 | free (wrk); |
211 | free (wrk); |
198 | } |
212 | } |
199 | |
213 | |
200 | static volatile unsigned int nreqs, nready, npending; |
214 | static volatile unsigned int nreqs, nready, npending; |
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215 | static volatile unsigned int max_idle = 4; |
201 | static volatile unsigned int max_outstanding = 0xffffffff; |
216 | static volatile unsigned int max_outstanding = 0xffffffff; |
202 | static int respipe [2]; |
217 | static int respipe [2]; |
203 | |
218 | |
204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
219 | static mutex_t reslock = MUTEX_INIT; |
205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
220 | static mutex_t reqlock = MUTEX_INIT; |
206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
221 | static cond_t reqwait = COND_INIT; |
207 | |
222 | |
208 | #if WORDREAD_UNSAFE |
223 | #if WORDACCESS_UNSAFE |
209 | |
224 | |
210 | static unsigned int get_nready () |
225 | static unsigned int get_nready () |
211 | { |
226 | { |
212 | unsigned int retval; |
227 | unsigned int retval; |
213 | |
228 | |
… | |
… | |
227 | UNLOCK (reslock); |
242 | UNLOCK (reslock); |
228 | |
243 | |
229 | return retval; |
244 | return retval; |
230 | } |
245 | } |
231 | |
246 | |
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247 | static unsigned int get_nthreads () |
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248 | { |
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249 | unsigned int retval; |
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250 | |
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251 | LOCK (wrklock); |
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252 | retval = started; |
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253 | UNLOCK (wrklock); |
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254 | |
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255 | return retval; |
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256 | } |
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257 | |
232 | #else |
258 | #else |
233 | |
259 | |
234 | # define get_nready() nready |
260 | # define get_nready() nready |
235 | # define get_npending() npending |
261 | # define get_npending() npending |
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262 | # define get_nthreads() started |
236 | |
263 | |
237 | #endif |
264 | #endif |
238 | |
265 | |
239 | /* |
266 | /* |
240 | * a somewhat faster data structure might be nice, but |
267 | * a somewhat faster data structure might be nice, but |
… | |
… | |
288 | } |
315 | } |
289 | |
316 | |
290 | abort (); |
317 | abort (); |
291 | } |
318 | } |
292 | |
319 | |
293 | static int poll_cb (int max); |
320 | static int poll_cb (); |
294 | static void req_invoke (aio_req req); |
321 | static int req_invoke (aio_req req); |
295 | static void req_free (aio_req req); |
322 | static void req_free (aio_req req); |
296 | static void req_cancel (aio_req req); |
323 | static void req_cancel (aio_req req); |
297 | |
324 | |
298 | /* must be called at most once */ |
325 | /* must be called at most once */ |
299 | static SV *req_sv (aio_req req, const char *klass) |
326 | static SV *req_sv (aio_req req, const char *klass) |
… | |
… | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
346 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
347 | } |
321 | |
348 | |
322 | static void aio_grp_feed (aio_req grp) |
349 | static void aio_grp_feed (aio_req grp) |
323 | { |
350 | { |
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351 | block_sig (); |
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352 | |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
325 | { |
354 | { |
326 | int old_len = grp->length; |
355 | int old_len = grp->size; |
327 | |
356 | |
328 | if (grp->fh2 && SvOK (grp->fh2)) |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
358 | { |
330 | dSP; |
359 | dSP; |
331 | |
360 | |
332 | ENTER; |
361 | ENTER; |
333 | SAVETMPS; |
362 | SAVETMPS; |
334 | PUSHMARK (SP); |
363 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
336 | PUTBACK; |
365 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
367 | SPAGAIN; |
339 | FREETMPS; |
368 | FREETMPS; |
340 | LEAVE; |
369 | LEAVE; |
341 | } |
370 | } |
342 | |
371 | |
343 | /* stop if no progress has been made */ |
372 | /* stop if no progress has been made */ |
344 | if (old_len == grp->length) |
373 | if (old_len == grp->size) |
345 | { |
374 | { |
346 | SvREFCNT_dec (grp->fh2); |
375 | SvREFCNT_dec (grp->sv2); |
347 | grp->fh2 = 0; |
376 | grp->sv2 = 0; |
348 | break; |
377 | break; |
349 | } |
378 | } |
350 | } |
379 | } |
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380 | |
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381 | unblock_sig (); |
351 | } |
382 | } |
352 | |
383 | |
353 | static void aio_grp_dec (aio_req grp) |
384 | static void aio_grp_dec (aio_req grp) |
354 | { |
385 | { |
355 | --grp->length; |
386 | --grp->size; |
356 | |
387 | |
357 | /* call feeder, if applicable */ |
388 | /* call feeder, if applicable */ |
358 | aio_grp_feed (grp); |
389 | aio_grp_feed (grp); |
359 | |
390 | |
360 | /* finish, if done */ |
391 | /* finish, if done */ |
361 | if (!grp->length && grp->fd) |
392 | if (!grp->size && grp->int1) |
362 | { |
393 | { |
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394 | block_sig (); |
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395 | |
363 | req_invoke (grp); |
396 | if (!req_invoke (grp)) |
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397 | { |
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398 | req_free (grp); |
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399 | unblock_sig (); |
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400 | croak (0); |
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401 | } |
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402 | |
364 | req_free (grp); |
403 | req_free (grp); |
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404 | unblock_sig (); |
365 | } |
405 | } |
366 | } |
406 | } |
367 | |
407 | |
368 | static void req_invoke (aio_req req) |
408 | static int req_invoke (aio_req req) |
369 | { |
409 | { |
370 | dSP; |
410 | dSP; |
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411 | |
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412 | if (req->flags & FLAG_SV1_RO_OFF) |
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413 | SvREADONLY_off (req->sv1); |
371 | |
414 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
415 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
373 | { |
416 | { |
374 | ENTER; |
417 | ENTER; |
375 | SAVETMPS; |
418 | SAVETMPS; |
… | |
… | |
383 | SV *rv = &PL_sv_undef; |
426 | SV *rv = &PL_sv_undef; |
384 | |
427 | |
385 | if (req->result >= 0) |
428 | if (req->result >= 0) |
386 | { |
429 | { |
387 | int i; |
430 | int i; |
388 | char *buf = req->data2ptr; |
431 | char *buf = req->ptr2; |
389 | AV *av = newAV (); |
432 | AV *av = newAV (); |
390 | |
433 | |
391 | av_extend (av, req->result - 1); |
434 | av_extend (av, req->result - 1); |
392 | |
435 | |
393 | for (i = 0; i < req->result; ++i) |
436 | for (i = 0; i < req->result; ++i) |
… | |
… | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
456 | PUSHs (sv_2mortal (newSViv (req->result))); |
414 | PUTBACK; |
457 | PUTBACK; |
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
458 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
416 | SPAGAIN; |
459 | SPAGAIN; |
417 | |
460 | |
418 | fh = SvREFCNT_inc (POPs); |
461 | fh = POPs; |
419 | |
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420 | PUSHMARK (SP); |
462 | PUSHMARK (SP); |
421 | XPUSHs (sv_2mortal (fh)); |
463 | XPUSHs (fh); |
422 | } |
464 | } |
423 | break; |
465 | break; |
424 | |
466 | |
425 | case REQ_GROUP: |
467 | case REQ_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
468 | req->int1 = 2; /* mark group as finished */ |
427 | |
469 | |
428 | if (req->data) |
470 | if (req->sv1) |
429 | { |
471 | { |
430 | int i; |
472 | int i; |
431 | AV *av = (AV *)req->data; |
473 | AV *av = (AV *)req->sv1; |
432 | |
474 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
475 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
476 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
477 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
478 | } |
… | |
… | |
438 | |
480 | |
439 | case REQ_NOP: |
481 | case REQ_NOP: |
440 | case REQ_BUSY: |
482 | case REQ_BUSY: |
441 | break; |
483 | break; |
442 | |
484 | |
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485 | case REQ_READLINK: |
|
|
486 | if (req->result > 0) |
|
|
487 | { |
|
|
488 | SvCUR_set (req->sv2, req->result); |
|
|
489 | *SvEND (req->sv2) = 0; |
|
|
490 | PUSHs (req->sv2); |
|
|
491 | } |
|
|
492 | break; |
|
|
493 | |
|
|
494 | case REQ_STAT: |
|
|
495 | case REQ_LSTAT: |
|
|
496 | case REQ_FSTAT: |
|
|
497 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
498 | PL_laststatval = req->result; |
|
|
499 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
500 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
501 | break; |
|
|
502 | |
|
|
503 | case REQ_READ: |
|
|
504 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
505 | *SvEND (req->sv2) = 0; |
|
|
506 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
507 | break; |
|
|
508 | |
443 | default: |
509 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
510 | PUSHs (sv_2mortal (newSViv (req->result))); |
445 | break; |
511 | break; |
446 | } |
512 | } |
447 | |
513 | |
… | |
… | |
467 | grp->grp_first = req->grp_next; |
533 | grp->grp_first = req->grp_next; |
468 | |
534 | |
469 | aio_grp_dec (grp); |
535 | aio_grp_dec (grp); |
470 | } |
536 | } |
471 | |
537 | |
472 | if (SvTRUE (ERRSV)) |
538 | return !SvTRUE (ERRSV); |
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
539 | } |
478 | |
540 | |
479 | static void req_free (aio_req req) |
541 | static void req_free (aio_req req) |
480 | { |
542 | { |
481 | if (req->self) |
543 | if (req->self) |
482 | { |
544 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
545 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
546 | SvREFCNT_dec (req->self); |
485 | } |
547 | } |
486 | |
548 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
549 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
550 | SvREFCNT_dec (req->sv2); |
490 | SvREFCNT_dec (req->callback); |
551 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
552 | |
493 | if (req->type == REQ_READDIR) |
553 | if (req->flags & FLAG_PTR2_FREE) |
494 | free (req->data2ptr); |
554 | free (req->ptr2); |
495 | |
555 | |
496 | Safefree (req); |
556 | Safefree (req); |
497 | } |
557 | } |
498 | |
558 | |
499 | static void req_cancel_subs (aio_req grp) |
559 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
501 | aio_req sub; |
561 | aio_req sub; |
502 | |
562 | |
503 | if (grp->type != REQ_GROUP) |
563 | if (grp->type != REQ_GROUP) |
504 | return; |
564 | return; |
505 | |
565 | |
506 | SvREFCNT_dec (grp->fh2); |
566 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
567 | grp->sv2 = 0; |
508 | |
568 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
569 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
510 | req_cancel (sub); |
570 | req_cancel (sub); |
511 | } |
571 | } |
512 | |
572 | |
… | |
… | |
519 | |
579 | |
520 | static void *aio_proc(void *arg); |
580 | static void *aio_proc(void *arg); |
521 | |
581 | |
522 | static void start_thread (void) |
582 | static void start_thread (void) |
523 | { |
583 | { |
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
584 | worker *wrk = calloc (1, sizeof (worker)); |
528 | |
585 | |
529 | if (!wrk) |
586 | if (!wrk) |
530 | croak ("unable to allocate worker thread data"); |
587 | croak ("unable to allocate worker thread data"); |
531 | |
588 | |
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
589 | LOCK (wrklock); |
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
590 | |
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
591 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
545 | { |
592 | { |
546 | wrk->prev = &wrk_first; |
593 | wrk->prev = &wrk_first; |
547 | wrk->next = wrk_first.next; |
594 | wrk->next = wrk_first.next; |
548 | wrk_first.next->prev = wrk; |
595 | wrk_first.next->prev = wrk; |
549 | wrk_first.next = wrk; |
596 | wrk_first.next = wrk; |
550 | ++started; |
597 | ++started; |
551 | } |
598 | } |
552 | else |
599 | else |
553 | free (wrk); |
600 | free (wrk); |
554 | |
601 | |
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
602 | UNLOCK (wrklock); |
557 | } |
603 | } |
558 | |
604 | |
559 | static void maybe_start_thread () |
605 | static void maybe_start_thread () |
560 | { |
606 | { |
561 | #if 0 |
607 | if (get_nthreads () >= wanted) |
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
608 | return; |
568 | |
609 | |
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
610 | /* todo: maybe use idle here, but might be less exact */ |
|
|
611 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
570 | return; |
612 | return; |
571 | |
613 | |
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
614 | start_thread (); |
591 | } |
615 | } |
592 | |
616 | |
593 | static void req_send (aio_req req) |
617 | static void req_send (aio_req req) |
594 | { |
618 | { |
|
|
619 | block_sig (); |
|
|
620 | |
595 | ++nreqs; |
621 | ++nreqs; |
596 | |
622 | |
597 | LOCK (reqlock); |
623 | LOCK (reqlock); |
598 | ++nready; |
624 | ++nready; |
599 | reqq_push (&req_queue, req); |
625 | reqq_push (&req_queue, req); |
600 | pthread_cond_signal (&reqwait); |
626 | COND_SIGNAL (reqwait); |
601 | UNLOCK (reqlock); |
627 | UNLOCK (reqlock); |
|
|
628 | |
|
|
629 | unblock_sig (); |
602 | |
630 | |
603 | maybe_start_thread (); |
631 | maybe_start_thread (); |
604 | } |
632 | } |
605 | |
633 | |
606 | static void end_thread (void) |
634 | static void end_thread (void) |
… | |
… | |
610 | Newz (0, req, 1, aio_cb); |
638 | Newz (0, req, 1, aio_cb); |
611 | |
639 | |
612 | req->type = REQ_QUIT; |
640 | req->type = REQ_QUIT; |
613 | req->pri = PRI_MAX + PRI_BIAS; |
641 | req->pri = PRI_MAX + PRI_BIAS; |
614 | |
642 | |
615 | req_send (req); |
643 | LOCK (reqlock); |
|
|
644 | reqq_push (&req_queue, req); |
|
|
645 | COND_SIGNAL (reqwait); |
|
|
646 | UNLOCK (reqlock); |
616 | |
647 | |
617 | LOCK (wrklock); |
648 | LOCK (wrklock); |
618 | --started; |
649 | --started; |
619 | UNLOCK (wrklock); |
650 | UNLOCK (wrklock); |
620 | } |
651 | } |
621 | |
652 | |
|
|
653 | static void set_max_idle (int nthreads) |
|
|
654 | { |
|
|
655 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
656 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
657 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
658 | } |
|
|
659 | |
622 | static void min_parallel (int nthreads) |
660 | static void min_parallel (int nthreads) |
623 | { |
661 | { |
624 | if (wanted < nthreads) |
662 | if (wanted < nthreads) |
625 | wanted = nthreads; |
663 | wanted = nthreads; |
626 | } |
664 | } |
… | |
… | |
639 | fd_set rfd; |
677 | fd_set rfd; |
640 | |
678 | |
641 | while (nreqs) |
679 | while (nreqs) |
642 | { |
680 | { |
643 | int size; |
681 | int size; |
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
682 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
645 | size = res_queue.size; |
683 | size = res_queue.size; |
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
684 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
647 | |
685 | |
648 | if (size) |
686 | if (size) |
649 | return; |
687 | return; |
650 | |
688 | |
651 | maybe_start_thread (); |
689 | maybe_start_thread (); |
… | |
… | |
655 | |
693 | |
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
694 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
657 | } |
695 | } |
658 | } |
696 | } |
659 | |
697 | |
660 | static int poll_cb (int max) |
698 | static int poll_cb () |
661 | { |
699 | { |
662 | dSP; |
700 | dSP; |
663 | int count = 0; |
701 | int count = 0; |
|
|
702 | int maxreqs = max_poll_reqs; |
664 | int do_croak = 0; |
703 | int do_croak = 0; |
|
|
704 | struct timeval tv_start, tv_now; |
665 | aio_req req; |
705 | aio_req req; |
|
|
706 | |
|
|
707 | if (max_poll_time) |
|
|
708 | gettimeofday (&tv_start, 0); |
|
|
709 | |
|
|
710 | block_sig (); |
666 | |
711 | |
667 | for (;;) |
712 | for (;;) |
668 | { |
713 | { |
669 | while (max <= 0 || count < max) |
714 | for (;;) |
670 | { |
715 | { |
671 | maybe_start_thread (); |
716 | maybe_start_thread (); |
672 | |
717 | |
673 | LOCK (reslock); |
718 | LOCK (reslock); |
674 | req = reqq_shift (&res_queue); |
719 | req = reqq_shift (&res_queue); |
… | |
… | |
678 | --npending; |
723 | --npending; |
679 | |
724 | |
680 | if (!res_queue.size) |
725 | if (!res_queue.size) |
681 | { |
726 | { |
682 | /* read any signals sent by the worker threads */ |
727 | /* read any signals sent by the worker threads */ |
683 | char buf [32]; |
728 | char buf [4]; |
684 | while (read (respipe [0], buf, 32) == 32) |
729 | while (read (respipe [0], buf, 4) == 4) |
685 | ; |
730 | ; |
686 | } |
731 | } |
687 | } |
732 | } |
688 | |
733 | |
689 | UNLOCK (reslock); |
734 | UNLOCK (reslock); |
… | |
… | |
691 | if (!req) |
736 | if (!req) |
692 | break; |
737 | break; |
693 | |
738 | |
694 | --nreqs; |
739 | --nreqs; |
695 | |
740 | |
696 | if (req->type == REQ_GROUP && req->length) |
741 | if (req->type == REQ_GROUP && req->size) |
697 | { |
742 | { |
698 | req->fd = 1; /* mark request as delayed */ |
743 | req->int1 = 1; /* mark request as delayed */ |
699 | continue; |
744 | continue; |
700 | } |
745 | } |
701 | else |
746 | else |
702 | { |
747 | { |
703 | if (req->type == REQ_READ) |
748 | if (!req_invoke (req)) |
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
749 | { |
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
750 | req_free (req); |
712 | PL_laststatval = req->result; |
751 | unblock_sig (); |
713 | PL_statcache = *(req->statdata); |
752 | croak (0); |
714 | } |
753 | } |
715 | |
|
|
716 | req_invoke (req); |
|
|
717 | |
754 | |
718 | count++; |
755 | count++; |
719 | } |
756 | } |
720 | |
757 | |
721 | req_free (req); |
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 | } |
722 | } |
770 | } |
723 | |
771 | |
724 | if (nreqs <= max_outstanding) |
772 | if (nreqs <= max_outstanding) |
725 | break; |
773 | break; |
726 | |
774 | |
727 | poll_wait (); |
775 | poll_wait (); |
728 | |
776 | |
729 | max = 0; |
777 | ++maxreqs; |
730 | } |
778 | } |
731 | |
779 | |
|
|
780 | unblock_sig (); |
732 | return count; |
781 | return count; |
733 | } |
782 | } |
734 | |
783 | |
735 | static void create_pipe () |
784 | static void create_pipe () |
736 | { |
785 | { |
… | |
… | |
754 | /* |
803 | /* |
755 | * make our pread/pwrite safe against themselves, but not against |
804 | * make our pread/pwrite safe against themselves, but not against |
756 | * normal read/write by using a mutex. slows down execution a lot, |
805 | * normal read/write by using a mutex. slows down execution a lot, |
757 | * but that's your problem, not mine. |
806 | * but that's your problem, not mine. |
758 | */ |
807 | */ |
759 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
808 | static mutex_t preadwritelock = MUTEX_INIT; |
760 | |
809 | |
761 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
810 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
762 | { |
811 | { |
763 | ssize_t res; |
812 | ssize_t res; |
764 | off_t ooffset; |
813 | off_t ooffset; |
… | |
… | |
787 | |
836 | |
788 | return res; |
837 | return res; |
789 | } |
838 | } |
790 | #endif |
839 | #endif |
791 | |
840 | |
|
|
841 | #ifndef HAVE_FUTIMES |
|
|
842 | |
|
|
843 | # define utimes(path,times) aio_utimes (path, times) |
|
|
844 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
845 | |
|
|
846 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
847 | { |
|
|
848 | if (times) |
|
|
849 | { |
|
|
850 | struct utimbuf buf; |
|
|
851 | |
|
|
852 | buf.actime = times[0].tv_sec; |
|
|
853 | buf.modtime = times[1].tv_sec; |
|
|
854 | |
|
|
855 | return utime (filename, &buf); |
|
|
856 | } |
|
|
857 | else |
|
|
858 | return utime (filename, 0); |
|
|
859 | } |
|
|
860 | |
|
|
861 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
862 | { |
|
|
863 | errno = ENOSYS; |
|
|
864 | return -1; |
|
|
865 | } |
|
|
866 | |
|
|
867 | #endif |
|
|
868 | |
792 | #if !HAVE_FDATASYNC |
869 | #if !HAVE_FDATASYNC |
793 | # define fdatasync fsync |
870 | # define fdatasync fsync |
794 | #endif |
871 | #endif |
795 | |
872 | |
796 | #if !HAVE_READAHEAD |
873 | #if !HAVE_READAHEAD |
… | |
… | |
815 | #endif |
892 | #endif |
816 | |
893 | |
817 | #if !HAVE_READDIR_R |
894 | #if !HAVE_READDIR_R |
818 | # define readdir_r aio_readdir_r |
895 | # define readdir_r aio_readdir_r |
819 | |
896 | |
820 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
897 | static mutex_t readdirlock = MUTEX_INIT; |
821 | |
898 | |
822 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
899 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
823 | { |
900 | { |
824 | struct dirent *e; |
901 | struct dirent *e; |
825 | int errorno; |
902 | int errorno; |
… | |
… | |
952 | int memofs = 0; |
1029 | int memofs = 0; |
953 | int res = 0; |
1030 | int res = 0; |
954 | int errorno; |
1031 | int errorno; |
955 | |
1032 | |
956 | LOCK (wrklock); |
1033 | LOCK (wrklock); |
957 | self->dirp = dirp = opendir (req->dataptr); |
1034 | self->dirp = dirp = opendir (req->ptr1); |
958 | self->dbuf = u = malloc (sizeof (*u)); |
1035 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1036 | req->flags |= FLAG_PTR2_FREE; |
959 | req->data2ptr = names = malloc (memlen); |
1037 | req->ptr2 = names = malloc (memlen); |
960 | UNLOCK (wrklock); |
1038 | UNLOCK (wrklock); |
961 | |
1039 | |
962 | if (dirp && u && names) |
1040 | if (dirp && u && names) |
963 | for (;;) |
1041 | for (;;) |
964 | { |
1042 | { |
… | |
… | |
978 | |
1056 | |
979 | while (memofs + len > memlen) |
1057 | while (memofs + len > memlen) |
980 | { |
1058 | { |
981 | memlen *= 2; |
1059 | memlen *= 2; |
982 | LOCK (wrklock); |
1060 | LOCK (wrklock); |
983 | req->data2ptr = names = realloc (names, memlen); |
1061 | req->ptr2 = names = realloc (names, memlen); |
984 | UNLOCK (wrklock); |
1062 | UNLOCK (wrklock); |
985 | |
1063 | |
986 | if (!names) |
1064 | if (!names) |
987 | break; |
1065 | break; |
988 | } |
1066 | } |
… | |
… | |
1001 | /*****************************************************************************/ |
1079 | /*****************************************************************************/ |
1002 | |
1080 | |
1003 | static void *aio_proc (void *thr_arg) |
1081 | static void *aio_proc (void *thr_arg) |
1004 | { |
1082 | { |
1005 | aio_req req; |
1083 | aio_req req; |
|
|
1084 | struct timespec ts; |
1006 | worker *self = (worker *)thr_arg; |
1085 | worker *self = (worker *)thr_arg; |
|
|
1086 | |
|
|
1087 | /* try to distribute timeouts somewhat evenly */ |
|
|
1088 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1089 | * (1000000000UL / 1024UL); |
1007 | |
1090 | |
1008 | for (;;) |
1091 | for (;;) |
1009 | { |
1092 | { |
|
|
1093 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1094 | |
1010 | LOCK (reqlock); |
1095 | LOCK (reqlock); |
1011 | |
1096 | |
1012 | for (;;) |
1097 | for (;;) |
1013 | { |
1098 | { |
1014 | self->req = req = reqq_shift (&req_queue); |
1099 | self->req = req = reqq_shift (&req_queue); |
1015 | |
1100 | |
1016 | if (req) |
1101 | if (req) |
1017 | break; |
1102 | break; |
1018 | |
1103 | |
1019 | pthread_cond_wait (&reqwait, &reqlock); |
1104 | ++idle; |
|
|
1105 | |
|
|
1106 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1107 | == ETIMEDOUT) |
|
|
1108 | { |
|
|
1109 | if (idle > max_idle) |
|
|
1110 | { |
|
|
1111 | --idle; |
|
|
1112 | UNLOCK (reqlock); |
|
|
1113 | LOCK (wrklock); |
|
|
1114 | --started; |
|
|
1115 | UNLOCK (wrklock); |
|
|
1116 | goto quit; |
|
|
1117 | } |
|
|
1118 | |
|
|
1119 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1120 | COND_WAIT (reqwait, reqlock); |
|
|
1121 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | --idle; |
1020 | } |
1125 | } |
1021 | |
1126 | |
1022 | --nready; |
1127 | --nready; |
1023 | |
1128 | |
1024 | UNLOCK (reqlock); |
1129 | UNLOCK (reqlock); |
… | |
… | |
1026 | errno = 0; /* strictly unnecessary */ |
1131 | errno = 0; /* strictly unnecessary */ |
1027 | |
1132 | |
1028 | if (!(req->flags & FLAG_CANCELLED)) |
1133 | if (!(req->flags & FLAG_CANCELLED)) |
1029 | switch (req->type) |
1134 | switch (req->type) |
1030 | { |
1135 | { |
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1136 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1137 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1033 | |
1138 | |
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1139 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1140 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1036 | |
1141 | |
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1142 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1143 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1144 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1040 | |
1145 | |
|
|
1146 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1147 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1148 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1149 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1150 | |
1041 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1151 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1042 | case REQ_CLOSE: req->result = close (req->fd); break; |
1152 | case REQ_CLOSE: req->result = close (req->int1); break; |
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1153 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1154 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1155 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1156 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1157 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1158 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1159 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1160 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1048 | |
1161 | |
1049 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1162 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1050 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1163 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1051 | case REQ_READDIR: scandir_ (req, self); break; |
1164 | case REQ_READDIR: scandir_ (req, self); break; |
1052 | |
1165 | |
1053 | case REQ_BUSY: |
1166 | case REQ_BUSY: |
1054 | { |
1167 | { |
1055 | struct timeval tv; |
1168 | struct timeval tv; |
1056 | |
1169 | |
1057 | tv.tv_sec = req->fd; |
1170 | tv.tv_sec = req->nv1; |
1058 | tv.tv_usec = req->fd2; |
1171 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
1059 | |
1172 | |
1060 | req->result = select (0, 0, 0, 0, &tv); |
1173 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1174 | } |
|
|
1175 | |
|
|
1176 | case REQ_UTIME: |
|
|
1177 | case REQ_FUTIME: |
|
|
1178 | { |
|
|
1179 | struct timeval tv[2]; |
|
|
1180 | struct timeval *times; |
|
|
1181 | |
|
|
1182 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1183 | { |
|
|
1184 | tv[0].tv_sec = req->nv1; |
|
|
1185 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1186 | tv[1].tv_sec = req->nv2; |
|
|
1187 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1188 | |
|
|
1189 | times = tv; |
|
|
1190 | } |
|
|
1191 | else |
|
|
1192 | times = 0; |
|
|
1193 | |
|
|
1194 | |
|
|
1195 | req->result = req->type == REQ_FUTIME |
|
|
1196 | ? futimes (req->int1, times) |
|
|
1197 | : utimes (req->ptr1, times); |
1061 | } |
1198 | } |
1062 | |
1199 | |
1063 | case REQ_GROUP: |
1200 | case REQ_GROUP: |
1064 | case REQ_NOP: |
1201 | case REQ_NOP: |
1065 | break; |
1202 | break; |
1066 | |
1203 | |
1067 | case REQ_QUIT: |
1204 | case REQ_QUIT: |
1068 | LOCK (wrklock); |
1205 | goto quit; |
1069 | worker_free (self); |
|
|
1070 | --started; |
|
|
1071 | UNLOCK (wrklock); |
|
|
1072 | return 0; |
|
|
1073 | |
1206 | |
1074 | default: |
1207 | default: |
1075 | req->result = ENOSYS; |
1208 | req->result = -1; |
1076 | break; |
1209 | break; |
1077 | } |
1210 | } |
1078 | |
1211 | |
1079 | req->errorno = errno; |
1212 | req->errorno = errno; |
1080 | |
1213 | |
1081 | LOCK (reslock); |
1214 | LOCK (reslock); |
1082 | |
1215 | |
1083 | ++npending; |
1216 | ++npending; |
1084 | |
1217 | |
1085 | if (!reqq_push (&res_queue, req)) |
1218 | if (!reqq_push (&res_queue, req)) |
|
|
1219 | { |
1086 | /* write a dummy byte to the pipe so fh becomes ready */ |
1220 | /* write a dummy byte to the pipe so fh becomes ready */ |
1087 | write (respipe [1], &respipe, 1); |
1221 | write (respipe [1], &respipe, 1); |
|
|
1222 | |
|
|
1223 | /* optionally signal the main thread asynchronously */ |
|
|
1224 | if (main_sig) |
|
|
1225 | pthread_kill (main_tid, main_sig); |
|
|
1226 | } |
1088 | |
1227 | |
1089 | self->req = 0; |
1228 | self->req = 0; |
1090 | worker_clear (self); |
1229 | worker_clear (self); |
1091 | |
1230 | |
1092 | UNLOCK (reslock); |
1231 | UNLOCK (reslock); |
1093 | } |
1232 | } |
|
|
1233 | |
|
|
1234 | quit: |
|
|
1235 | LOCK (wrklock); |
|
|
1236 | worker_free (self); |
|
|
1237 | UNLOCK (wrklock); |
|
|
1238 | |
|
|
1239 | return 0; |
1094 | } |
1240 | } |
1095 | |
1241 | |
1096 | /*****************************************************************************/ |
1242 | /*****************************************************************************/ |
1097 | |
1243 | |
1098 | static void atfork_prepare (void) |
1244 | static void atfork_prepare (void) |
… | |
… | |
1140 | |
1286 | |
1141 | worker_clear (wrk); |
1287 | worker_clear (wrk); |
1142 | worker_free (wrk); |
1288 | worker_free (wrk); |
1143 | } |
1289 | } |
1144 | |
1290 | |
1145 | started = 0; |
1291 | started = 0; |
|
|
1292 | idle = 0; |
1146 | nreqs = 0; |
1293 | nreqs = 0; |
|
|
1294 | nready = 0; |
|
|
1295 | npending = 0; |
1147 | |
1296 | |
1148 | close (respipe [0]); |
1297 | close (respipe [0]); |
1149 | close (respipe [1]); |
1298 | close (respipe [1]); |
1150 | create_pipe (); |
1299 | create_pipe (); |
1151 | |
1300 | |
… | |
… | |
1178 | PROTOTYPES: ENABLE |
1327 | PROTOTYPES: ENABLE |
1179 | |
1328 | |
1180 | BOOT: |
1329 | BOOT: |
1181 | { |
1330 | { |
1182 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1331 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1332 | |
1183 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1333 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1184 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1334 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1185 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1335 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1336 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1337 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1338 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1339 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1186 | |
1340 | |
1187 | create_pipe (); |
1341 | create_pipe (); |
1188 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1342 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1189 | |
|
|
1190 | start_thread (); |
|
|
1191 | } |
1343 | } |
|
|
1344 | |
|
|
1345 | void |
|
|
1346 | max_poll_reqs (int nreqs) |
|
|
1347 | PROTOTYPE: $ |
|
|
1348 | CODE: |
|
|
1349 | max_poll_reqs = nreqs; |
|
|
1350 | |
|
|
1351 | void |
|
|
1352 | max_poll_time (double nseconds) |
|
|
1353 | PROTOTYPE: $ |
|
|
1354 | CODE: |
|
|
1355 | max_poll_time = nseconds * AIO_TICKS; |
1192 | |
1356 | |
1193 | void |
1357 | void |
1194 | min_parallel (int nthreads) |
1358 | min_parallel (int nthreads) |
1195 | PROTOTYPE: $ |
1359 | PROTOTYPE: $ |
1196 | |
1360 | |
1197 | void |
1361 | void |
1198 | max_parallel (int nthreads) |
1362 | max_parallel (int nthreads) |
1199 | PROTOTYPE: $ |
1363 | PROTOTYPE: $ |
|
|
1364 | |
|
|
1365 | void |
|
|
1366 | max_idle (int nthreads) |
|
|
1367 | PROTOTYPE: $ |
|
|
1368 | CODE: |
|
|
1369 | set_max_idle (nthreads); |
1200 | |
1370 | |
1201 | int |
1371 | int |
1202 | max_outstanding (int maxreqs) |
1372 | max_outstanding (int maxreqs) |
1203 | PROTOTYPE: $ |
1373 | PROTOTYPE: $ |
1204 | CODE: |
1374 | CODE: |
… | |
… | |
1206 | max_outstanding = maxreqs; |
1376 | max_outstanding = maxreqs; |
1207 | OUTPUT: |
1377 | OUTPUT: |
1208 | RETVAL |
1378 | RETVAL |
1209 | |
1379 | |
1210 | void |
1380 | void |
1211 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1381 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1212 | SV * pathname |
|
|
1213 | int flags |
|
|
1214 | int mode |
|
|
1215 | SV * callback |
|
|
1216 | PROTOTYPE: $$$;$ |
1382 | PROTOTYPE: $$$;$ |
1217 | PPCODE: |
1383 | PPCODE: |
1218 | { |
1384 | { |
1219 | dREQ; |
1385 | dREQ; |
1220 | |
1386 | |
1221 | req->type = REQ_OPEN; |
1387 | req->type = REQ_OPEN; |
1222 | req->data = newSVsv (pathname); |
1388 | req->sv1 = newSVsv (pathname); |
1223 | req->dataptr = SvPVbyte_nolen (req->data); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1224 | req->fd = flags; |
1390 | req->int1 = flags; |
1225 | req->mode = mode; |
1391 | req->mode = mode; |
1226 | |
1392 | |
1227 | REQ_SEND; |
1393 | REQ_SEND; |
1228 | } |
1394 | } |
1229 | |
1395 | |
1230 | void |
1396 | void |
1231 | aio_close (fh,callback=&PL_sv_undef) |
1397 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1232 | SV * fh |
|
|
1233 | SV * callback |
|
|
1234 | PROTOTYPE: $;$ |
1398 | PROTOTYPE: $;$ |
1235 | ALIAS: |
1399 | ALIAS: |
1236 | aio_close = REQ_CLOSE |
1400 | aio_close = REQ_CLOSE |
1237 | aio_fsync = REQ_FSYNC |
1401 | aio_fsync = REQ_FSYNC |
1238 | aio_fdatasync = REQ_FDATASYNC |
1402 | aio_fdatasync = REQ_FDATASYNC |
1239 | PPCODE: |
1403 | PPCODE: |
1240 | { |
1404 | { |
1241 | dREQ; |
1405 | dREQ; |
1242 | |
1406 | |
1243 | req->type = ix; |
1407 | req->type = ix; |
1244 | req->fh = newSVsv (fh); |
1408 | req->sv1 = newSVsv (fh); |
1245 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1409 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1246 | |
1410 | |
1247 | REQ_SEND (req); |
1411 | REQ_SEND (req); |
1248 | } |
1412 | } |
1249 | |
1413 | |
1250 | void |
1414 | void |
1251 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1415 | aio_read (SV *fh, UV offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef) |
1252 | SV * fh |
|
|
1253 | UV offset |
|
|
1254 | UV length |
|
|
1255 | SV * data |
|
|
1256 | UV dataoffset |
|
|
1257 | SV * callback |
|
|
1258 | ALIAS: |
1416 | ALIAS: |
1259 | aio_read = REQ_READ |
1417 | aio_read = REQ_READ |
1260 | aio_write = REQ_WRITE |
1418 | aio_write = REQ_WRITE |
1261 | PROTOTYPE: $$$$$;$ |
1419 | PROTOTYPE: $$$$$;$ |
1262 | PPCODE: |
1420 | PPCODE: |
1263 | { |
1421 | { |
1264 | aio_req req; |
|
|
1265 | STRLEN svlen; |
1422 | STRLEN svlen; |
1266 | char *svptr = SvPVbyte (data, svlen); |
1423 | char *svptr = SvPVbyte (data, svlen); |
1267 | |
1424 | |
1268 | SvUPGRADE (data, SVt_PV); |
1425 | SvUPGRADE (data, SVt_PV); |
1269 | SvPOK_on (data); |
1426 | SvPOK_on (data); |
… | |
… | |
1281 | length = svlen - dataoffset; |
1438 | length = svlen - dataoffset; |
1282 | } |
1439 | } |
1283 | else |
1440 | else |
1284 | { |
1441 | { |
1285 | /* read: grow scalar as necessary */ |
1442 | /* read: grow scalar as necessary */ |
1286 | svptr = SvGROW (data, length + dataoffset); |
1443 | svptr = SvGROW (data, length + dataoffset + 1); |
1287 | } |
1444 | } |
1288 | |
1445 | |
1289 | if (length < 0) |
1446 | if (length < 0) |
1290 | croak ("length must not be negative"); |
1447 | croak ("length must not be negative"); |
1291 | |
1448 | |
1292 | { |
1449 | { |
1293 | dREQ; |
1450 | dREQ; |
1294 | |
1451 | |
1295 | req->type = ix; |
1452 | req->type = ix; |
1296 | req->fh = newSVsv (fh); |
1453 | req->sv1 = newSVsv (fh); |
1297 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1454 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1298 | : IoOFP (sv_2io (fh))); |
1455 | : IoOFP (sv_2io (fh))); |
1299 | req->offset = offset; |
1456 | req->offs = offset; |
1300 | req->length = length; |
1457 | req->size = length; |
1301 | req->data = SvREFCNT_inc (data); |
1458 | req->sv2 = SvREFCNT_inc (data); |
1302 | req->dataptr = (char *)svptr + dataoffset; |
1459 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1460 | req->stroffset = dataoffset; |
1303 | |
1461 | |
1304 | if (!SvREADONLY (data)) |
1462 | if (!SvREADONLY (data)) |
1305 | { |
1463 | { |
1306 | SvREADONLY_on (data); |
1464 | SvREADONLY_on (data); |
1307 | req->data2ptr = (void *)data; |
1465 | req->flags |= FLAG_SV1_RO_OFF; |
1308 | } |
1466 | } |
1309 | |
1467 | |
1310 | REQ_SEND; |
1468 | REQ_SEND; |
1311 | } |
1469 | } |
1312 | } |
1470 | } |
1313 | |
1471 | |
1314 | void |
1472 | void |
|
|
1473 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1474 | PROTOTYPE: $$;$ |
|
|
1475 | PPCODE: |
|
|
1476 | { |
|
|
1477 | SV *data; |
|
|
1478 | dREQ; |
|
|
1479 | |
|
|
1480 | data = newSV (NAME_MAX); |
|
|
1481 | SvPOK_on (data); |
|
|
1482 | |
|
|
1483 | req->type = REQ_READLINK; |
|
|
1484 | req->sv1 = newSVsv (path); |
|
|
1485 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1486 | req->sv2 = data; |
|
|
1487 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1488 | |
|
|
1489 | REQ_SEND; |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | void |
1315 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1493 | aio_sendfile (SV *out_fh, SV *in_fh, UV in_offset, UV length, SV *callback=&PL_sv_undef) |
1316 | SV * out_fh |
|
|
1317 | SV * in_fh |
|
|
1318 | UV in_offset |
|
|
1319 | UV length |
|
|
1320 | SV * callback |
|
|
1321 | PROTOTYPE: $$$$;$ |
1494 | PROTOTYPE: $$$$;$ |
1322 | PPCODE: |
1495 | PPCODE: |
1323 | { |
1496 | { |
1324 | dREQ; |
1497 | dREQ; |
1325 | |
1498 | |
1326 | req->type = REQ_SENDFILE; |
1499 | req->type = REQ_SENDFILE; |
1327 | req->fh = newSVsv (out_fh); |
1500 | req->sv1 = newSVsv (out_fh); |
1328 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1501 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1329 | req->fh2 = newSVsv (in_fh); |
1502 | req->sv2 = newSVsv (in_fh); |
1330 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1503 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1331 | req->offset = in_offset; |
1504 | req->offs = in_offset; |
1332 | req->length = length; |
1505 | req->size = length; |
1333 | |
1506 | |
1334 | REQ_SEND; |
1507 | REQ_SEND; |
1335 | } |
1508 | } |
1336 | |
1509 | |
1337 | void |
1510 | void |
1338 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1511 | aio_readahead (SV *fh, UV offset, IV length, SV *callback=&PL_sv_undef) |
1339 | SV * fh |
|
|
1340 | UV offset |
|
|
1341 | IV length |
|
|
1342 | SV * callback |
|
|
1343 | PROTOTYPE: $$$;$ |
1512 | PROTOTYPE: $$$;$ |
1344 | PPCODE: |
1513 | PPCODE: |
1345 | { |
1514 | { |
1346 | dREQ; |
1515 | dREQ; |
1347 | |
1516 | |
1348 | req->type = REQ_READAHEAD; |
1517 | req->type = REQ_READAHEAD; |
1349 | req->fh = newSVsv (fh); |
1518 | req->sv1 = newSVsv (fh); |
1350 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1519 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1351 | req->offset = offset; |
1520 | req->offs = offset; |
1352 | req->length = length; |
1521 | req->size = length; |
1353 | |
1522 | |
1354 | REQ_SEND; |
1523 | REQ_SEND; |
1355 | } |
1524 | } |
1356 | |
1525 | |
1357 | void |
1526 | void |
1358 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1527 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1359 | SV * fh_or_path |
|
|
1360 | SV * callback |
|
|
1361 | ALIAS: |
1528 | ALIAS: |
1362 | aio_stat = REQ_STAT |
1529 | aio_stat = REQ_STAT |
1363 | aio_lstat = REQ_LSTAT |
1530 | aio_lstat = REQ_LSTAT |
1364 | PPCODE: |
1531 | PPCODE: |
1365 | { |
1532 | { |
1366 | dREQ; |
1533 | dREQ; |
1367 | |
1534 | |
1368 | New (0, req->statdata, 1, Stat_t); |
1535 | req->ptr2 = malloc (sizeof (Stat_t)); |
1369 | if (!req->statdata) |
1536 | if (!req->ptr2) |
1370 | { |
1537 | { |
1371 | req_free (req); |
1538 | req_free (req); |
1372 | croak ("out of memory during aio_req->statdata allocation"); |
1539 | croak ("out of memory during aio_stat statdata allocation"); |
1373 | } |
1540 | } |
|
|
1541 | |
|
|
1542 | req->flags |= FLAG_PTR2_FREE; |
|
|
1543 | req->sv1 = newSVsv (fh_or_path); |
1374 | |
1544 | |
1375 | if (SvPOK (fh_or_path)) |
1545 | if (SvPOK (fh_or_path)) |
1376 | { |
1546 | { |
1377 | req->type = ix; |
1547 | req->type = ix; |
1378 | req->data = newSVsv (fh_or_path); |
|
|
1379 | req->dataptr = SvPVbyte_nolen (req->data); |
1548 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1380 | } |
1549 | } |
1381 | else |
1550 | else |
1382 | { |
1551 | { |
1383 | req->type = REQ_FSTAT; |
1552 | req->type = REQ_FSTAT; |
1384 | req->fh = newSVsv (fh_or_path); |
|
|
1385 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1553 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1386 | } |
1554 | } |
1387 | |
1555 | |
1388 | REQ_SEND; |
1556 | REQ_SEND; |
1389 | } |
1557 | } |
1390 | |
1558 | |
1391 | void |
1559 | void |
|
|
1560 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1561 | PPCODE: |
|
|
1562 | { |
|
|
1563 | dREQ; |
|
|
1564 | |
|
|
1565 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1566 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1567 | req->sv1 = newSVsv (fh_or_path); |
|
|
1568 | |
|
|
1569 | if (SvPOK (fh_or_path)) |
|
|
1570 | { |
|
|
1571 | req->type = REQ_UTIME; |
|
|
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1573 | } |
|
|
1574 | else |
|
|
1575 | { |
|
|
1576 | req->type = REQ_FUTIME; |
|
|
1577 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1578 | } |
|
|
1579 | |
|
|
1580 | REQ_SEND; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void |
|
|
1584 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1585 | PPCODE: |
|
|
1586 | { |
|
|
1587 | dREQ; |
|
|
1588 | |
|
|
1589 | req->mode = mode; |
|
|
1590 | req->sv1 = newSVsv (fh_or_path); |
|
|
1591 | |
|
|
1592 | if (SvPOK (fh_or_path)) |
|
|
1593 | { |
|
|
1594 | req->type = REQ_CHMOD; |
|
|
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1596 | } |
|
|
1597 | else |
|
|
1598 | { |
|
|
1599 | req->type = REQ_FCHMOD; |
|
|
1600 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1601 | } |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | void |
|
|
1607 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1608 | PPCODE: |
|
|
1609 | { |
|
|
1610 | dREQ; |
|
|
1611 | |
|
|
1612 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1613 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1614 | req->sv1 = newSVsv (fh_or_path); |
|
|
1615 | |
|
|
1616 | if (SvPOK (fh_or_path)) |
|
|
1617 | { |
|
|
1618 | req->type = REQ_CHOWN; |
|
|
1619 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1620 | } |
|
|
1621 | else |
|
|
1622 | { |
|
|
1623 | req->type = REQ_FCHOWN; |
|
|
1624 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | REQ_SEND; |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | void |
1392 | aio_unlink (pathname,callback=&PL_sv_undef) |
1631 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1393 | SV * pathname |
|
|
1394 | SV * callback |
|
|
1395 | ALIAS: |
1632 | ALIAS: |
1396 | aio_unlink = REQ_UNLINK |
1633 | aio_unlink = REQ_UNLINK |
1397 | aio_rmdir = REQ_RMDIR |
1634 | aio_rmdir = REQ_RMDIR |
1398 | aio_readdir = REQ_READDIR |
1635 | aio_readdir = REQ_READDIR |
1399 | PPCODE: |
1636 | PPCODE: |
1400 | { |
1637 | { |
1401 | dREQ; |
1638 | dREQ; |
1402 | |
1639 | |
1403 | req->type = ix; |
1640 | req->type = ix; |
1404 | req->data = newSVsv (pathname); |
1641 | req->sv1 = newSVsv (pathname); |
1405 | req->dataptr = SvPVbyte_nolen (req->data); |
1642 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1643 | |
|
|
1644 | REQ_SEND; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | void |
|
|
1648 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1649 | PPCODE: |
|
|
1650 | { |
|
|
1651 | dREQ; |
1406 | |
1652 | |
|
|
1653 | req->type = REQ_MKDIR; |
|
|
1654 | req->sv1 = newSVsv (pathname); |
|
|
1655 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1656 | req->mode = mode; |
|
|
1657 | |
1407 | REQ_SEND; |
1658 | REQ_SEND; |
1408 | } |
1659 | } |
1409 | |
1660 | |
1410 | void |
1661 | void |
1411 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1662 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1412 | SV * oldpath |
|
|
1413 | SV * newpath |
|
|
1414 | SV * callback |
|
|
1415 | ALIAS: |
1663 | ALIAS: |
1416 | aio_link = REQ_LINK |
1664 | aio_link = REQ_LINK |
1417 | aio_symlink = REQ_SYMLINK |
1665 | aio_symlink = REQ_SYMLINK |
1418 | aio_rename = REQ_RENAME |
1666 | aio_rename = REQ_RENAME |
1419 | PPCODE: |
1667 | PPCODE: |
1420 | { |
1668 | { |
1421 | dREQ; |
1669 | dREQ; |
1422 | |
1670 | |
1423 | req->type = ix; |
1671 | req->type = ix; |
1424 | req->fh = newSVsv (oldpath); |
1672 | req->sv2 = newSVsv (oldpath); |
1425 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1673 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1426 | req->data = newSVsv (newpath); |
1674 | req->sv1 = newSVsv (newpath); |
1427 | req->dataptr = SvPVbyte_nolen (req->data); |
1675 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1428 | |
1676 | |
1429 | REQ_SEND; |
1677 | REQ_SEND; |
1430 | } |
1678 | } |
1431 | |
1679 | |
1432 | void |
1680 | void |
1433 | aio_busy (delay,callback=&PL_sv_undef) |
1681 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1434 | double delay |
|
|
1435 | SV * callback |
|
|
1436 | PPCODE: |
1682 | PPCODE: |
1437 | { |
1683 | { |
1438 | dREQ; |
1684 | dREQ; |
|
|
1685 | |
|
|
1686 | req->type = REQ_MKNOD; |
|
|
1687 | req->sv1 = newSVsv (pathname); |
|
|
1688 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1689 | req->mode = (mode_t)mode; |
|
|
1690 | req->offs = dev; |
|
|
1691 | |
|
|
1692 | REQ_SEND; |
|
|
1693 | } |
|
|
1694 | |
|
|
1695 | void |
|
|
1696 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1697 | PPCODE: |
|
|
1698 | { |
|
|
1699 | dREQ; |
1439 | |
1700 | |
1440 | req->type = REQ_BUSY; |
1701 | req->type = REQ_BUSY; |
1441 | req->fd = delay < 0. ? 0 : delay; |
1702 | req->nv1 = delay < 0. ? 0. : delay; |
1442 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1443 | |
1703 | |
1444 | REQ_SEND; |
1704 | REQ_SEND; |
1445 | } |
1705 | } |
1446 | |
1706 | |
1447 | void |
1707 | void |
1448 | aio_group (callback=&PL_sv_undef) |
1708 | aio_group (SV *callback=&PL_sv_undef) |
1449 | SV * callback |
|
|
1450 | PROTOTYPE: ;$ |
1709 | PROTOTYPE: ;$ |
1451 | PPCODE: |
1710 | PPCODE: |
1452 | { |
1711 | { |
1453 | dREQ; |
1712 | dREQ; |
1454 | |
1713 | |
1455 | req->type = REQ_GROUP; |
1714 | req->type = REQ_GROUP; |
|
|
1715 | |
1456 | req_send (req); |
1716 | req_send (req); |
1457 | |
|
|
1458 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1717 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1459 | } |
1718 | } |
1460 | |
1719 | |
1461 | void |
1720 | void |
1462 | aio_nop (callback=&PL_sv_undef) |
1721 | aio_nop (SV *callback=&PL_sv_undef) |
1463 | SV * callback |
|
|
1464 | PPCODE: |
1722 | PPCODE: |
1465 | { |
1723 | { |
1466 | dREQ; |
1724 | dREQ; |
1467 | |
1725 | |
1468 | req->type = REQ_NOP; |
1726 | req->type = REQ_NOP; |
… | |
… | |
1497 | PROTOTYPE: |
1755 | PROTOTYPE: |
1498 | CODE: |
1756 | CODE: |
1499 | while (nreqs) |
1757 | while (nreqs) |
1500 | { |
1758 | { |
1501 | poll_wait (); |
1759 | poll_wait (); |
1502 | poll_cb (0); |
1760 | poll_cb (); |
1503 | } |
1761 | } |
1504 | |
1762 | |
1505 | void |
1763 | int |
1506 | poll() |
1764 | poll() |
1507 | PROTOTYPE: |
1765 | PROTOTYPE: |
1508 | CODE: |
1766 | CODE: |
1509 | if (nreqs) |
|
|
1510 | { |
|
|
1511 | poll_wait (); |
1767 | poll_wait (); |
1512 | poll_cb (0); |
1768 | RETVAL = poll_cb (); |
1513 | } |
1769 | OUTPUT: |
|
|
1770 | RETVAL |
1514 | |
1771 | |
1515 | int |
1772 | int |
1516 | poll_fileno() |
1773 | poll_fileno() |
1517 | PROTOTYPE: |
1774 | PROTOTYPE: |
1518 | CODE: |
1775 | CODE: |
… | |
… | |
1522 | |
1779 | |
1523 | int |
1780 | int |
1524 | poll_cb(...) |
1781 | poll_cb(...) |
1525 | PROTOTYPE: |
1782 | PROTOTYPE: |
1526 | CODE: |
1783 | CODE: |
1527 | RETVAL = poll_cb (0); |
1784 | RETVAL = poll_cb (); |
1528 | OUTPUT: |
|
|
1529 | RETVAL |
|
|
1530 | |
|
|
1531 | int |
|
|
1532 | poll_some(int max = 0) |
|
|
1533 | PROTOTYPE: $ |
|
|
1534 | CODE: |
|
|
1535 | RETVAL = poll_cb (max); |
|
|
1536 | OUTPUT: |
1785 | OUTPUT: |
1537 | RETVAL |
1786 | RETVAL |
1538 | |
1787 | |
1539 | void |
1788 | void |
1540 | poll_wait() |
1789 | poll_wait() |
1541 | PROTOTYPE: |
1790 | PROTOTYPE: |
1542 | CODE: |
1791 | CODE: |
1543 | if (nreqs) |
|
|
1544 | poll_wait (); |
1792 | poll_wait (); |
|
|
1793 | |
|
|
1794 | void |
|
|
1795 | setsig (int signum = SIGIO) |
|
|
1796 | PROTOTYPE: ;$ |
|
|
1797 | CODE: |
|
|
1798 | { |
|
|
1799 | if (block_sig_level) |
|
|
1800 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1801 | |
|
|
1802 | LOCK (reslock); |
|
|
1803 | main_tid = pthread_self (); |
|
|
1804 | main_sig = signum; |
|
|
1805 | UNLOCK (reslock); |
|
|
1806 | |
|
|
1807 | if (main_sig && npending) |
|
|
1808 | pthread_kill (main_tid, main_sig); |
|
|
1809 | } |
|
|
1810 | |
|
|
1811 | void |
|
|
1812 | aio_block (SV *cb) |
|
|
1813 | PROTOTYPE: & |
|
|
1814 | PPCODE: |
|
|
1815 | { |
|
|
1816 | int count; |
|
|
1817 | |
|
|
1818 | block_sig (); |
|
|
1819 | PUSHMARK (SP); |
|
|
1820 | PUTBACK; |
|
|
1821 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1822 | SPAGAIN; |
|
|
1823 | unblock_sig (); |
|
|
1824 | |
|
|
1825 | if (SvTRUE (ERRSV)) |
|
|
1826 | croak (0); |
|
|
1827 | |
|
|
1828 | XSRETURN (count); |
|
|
1829 | } |
1545 | |
1830 | |
1546 | int |
1831 | int |
1547 | nreqs() |
1832 | nreqs() |
1548 | PROTOTYPE: |
1833 | PROTOTYPE: |
1549 | CODE: |
1834 | CODE: |
… | |
… | |
1565 | CODE: |
1850 | CODE: |
1566 | RETVAL = get_npending (); |
1851 | RETVAL = get_npending (); |
1567 | OUTPUT: |
1852 | OUTPUT: |
1568 | RETVAL |
1853 | RETVAL |
1569 | |
1854 | |
|
|
1855 | int |
|
|
1856 | nthreads() |
|
|
1857 | PROTOTYPE: |
|
|
1858 | CODE: |
|
|
1859 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1860 | RETVAL = started; |
|
|
1861 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1862 | OUTPUT: |
|
|
1863 | RETVAL |
|
|
1864 | |
1570 | PROTOTYPES: DISABLE |
1865 | PROTOTYPES: DISABLE |
1571 | |
1866 | |
1572 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1867 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1573 | |
1868 | |
1574 | void |
1869 | void |
… | |
… | |
1589 | PPCODE: |
1884 | PPCODE: |
1590 | { |
1885 | { |
1591 | int i; |
1886 | int i; |
1592 | aio_req req; |
1887 | aio_req req; |
1593 | |
1888 | |
|
|
1889 | if (main_sig && !block_sig_level) |
|
|
1890 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1891 | |
1594 | if (grp->fd == 2) |
1892 | if (grp->int1 == 2) |
1595 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1893 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1596 | |
1894 | |
1597 | for (i = 1; i < items; ++i ) |
1895 | for (i = 1; i < items; ++i ) |
1598 | { |
1896 | { |
1599 | if (GIMME_V != G_VOID) |
1897 | if (GIMME_V != G_VOID) |
… | |
… | |
1601 | |
1899 | |
1602 | req = SvAIO_REQ (ST (i)); |
1900 | req = SvAIO_REQ (ST (i)); |
1603 | |
1901 | |
1604 | if (req) |
1902 | if (req) |
1605 | { |
1903 | { |
1606 | ++grp->length; |
1904 | ++grp->size; |
1607 | req->grp = grp; |
1905 | req->grp = grp; |
1608 | |
1906 | |
1609 | req->grp_prev = 0; |
1907 | req->grp_prev = 0; |
1610 | req->grp_next = grp->grp_first; |
1908 | req->grp_next = grp->grp_first; |
1611 | |
1909 | |
… | |
… | |
1634 | av = newAV (); |
1932 | av = newAV (); |
1635 | |
1933 | |
1636 | for (i = 1; i < items; ++i ) |
1934 | for (i = 1; i < items; ++i ) |
1637 | av_push (av, newSVsv (ST (i))); |
1935 | av_push (av, newSVsv (ST (i))); |
1638 | |
1936 | |
1639 | SvREFCNT_dec (grp->data); |
1937 | SvREFCNT_dec (grp->sv1); |
1640 | grp->data = (SV *)av; |
1938 | grp->sv1 = (SV *)av; |
1641 | } |
1939 | } |
1642 | |
1940 | |
1643 | void |
1941 | void |
1644 | errno (aio_req grp, int errorno = errno) |
1942 | errno (aio_req grp, int errorno = errno) |
1645 | CODE: |
1943 | CODE: |
1646 | grp->errorno = errorno; |
1944 | grp->errorno = errorno; |
1647 | |
1945 | |
1648 | void |
1946 | void |
1649 | limit (aio_req grp, int limit) |
1947 | limit (aio_req grp, int limit) |
1650 | CODE: |
1948 | CODE: |
1651 | grp->fd2 = limit; |
1949 | grp->int2 = limit; |
1652 | aio_grp_feed (grp); |
1950 | aio_grp_feed (grp); |
1653 | |
1951 | |
1654 | void |
1952 | void |
1655 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1953 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1656 | CODE: |
1954 | CODE: |
1657 | { |
1955 | { |
1658 | SvREFCNT_dec (grp->fh2); |
1956 | SvREFCNT_dec (grp->sv2); |
1659 | grp->fh2 = newSVsv (callback); |
1957 | grp->sv2 = newSVsv (callback); |
1660 | |
1958 | |
1661 | if (grp->fd2 <= 0) |
1959 | if (grp->int2 <= 0) |
1662 | grp->fd2 = 2; |
1960 | grp->int2 = 2; |
1663 | |
1961 | |
1664 | aio_grp_feed (grp); |
1962 | aio_grp_feed (grp); |
1665 | } |
1963 | } |
1666 | |
1964 | |