1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | #define _REENTRANT 1 |
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9 | |
2 | |
10 | #include <errno.h> |
3 | #include <errno.h> |
11 | |
4 | |
12 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
13 | #include "perl.h" |
6 | #include "perl.h" |
14 | #include "XSUB.h" |
7 | #include "XSUB.h" |
15 | |
8 | |
16 | #include "autoconf/config.h" |
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17 | |
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18 | #include <pthread.h> |
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19 | |
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20 | #include <stddef.h> |
9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
21 | #include <errno.h> |
11 | #include <errno.h> |
22 | #include <sys/time.h> |
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23 | #include <sys/select.h> |
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24 | #include <sys/types.h> |
12 | #include <sys/types.h> |
25 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
26 | #include <limits.h> |
14 | #include <limits.h> |
27 | #include <unistd.h> |
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28 | #include <fcntl.h> |
15 | #include <fcntl.h> |
29 | #include <signal.h> |
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30 | #include <sched.h> |
16 | #include <sched.h> |
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17 | |
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18 | #ifdef _WIN32 |
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19 | |
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20 | # define SIGIO 0 |
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21 | typedef Direntry_t X_DIRENT; |
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22 | #undef malloc |
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23 | #undef free |
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24 | |
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25 | // perl overrides all those nice win32 functions |
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26 | # undef open |
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27 | # undef read |
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28 | # undef write |
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29 | # undef send |
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30 | # undef recv |
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31 | # undef stat |
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32 | # undef fstat |
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33 | # define lstat stat |
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34 | # undef truncate |
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35 | # undef ftruncate |
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36 | # undef open |
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37 | # undef close |
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38 | # undef unlink |
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39 | # undef rmdir |
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40 | # undef rename |
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41 | # undef lseek |
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42 | |
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43 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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44 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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45 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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46 | # define symlink(a,b) (errno = ENOSYS, -1) |
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47 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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48 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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49 | # define truncate(a,b) (errno = ENOSYS, -1) |
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50 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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51 | # define fsync(fd) _commit (fd) |
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52 | # define opendir(fd) (errno = ENOSYS, 0) |
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53 | # define readdir(fd) (errno = ENOSYS, -1) |
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54 | # define closedir(fd) (errno = ENOSYS, -1) |
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55 | # define mkdir(a,b) mkdir (a) |
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56 | |
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57 | #else |
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58 | |
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59 | # include "autoconf/config.h" |
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60 | # include <sys/time.h> |
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61 | # include <sys/select.h> |
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62 | # include <unistd.h> |
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63 | # include <utime.h> |
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64 | # include <signal.h> |
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65 | typedef struct dirent X_DIRENT; |
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66 | |
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67 | #endif |
31 | |
68 | |
32 | #if HAVE_SENDFILE |
69 | #if HAVE_SENDFILE |
33 | # if __linux |
70 | # if __linux |
34 | # include <sys/sendfile.h> |
71 | # include <sys/sendfile.h> |
35 | # elif __freebsd |
72 | # elif __freebsd |
… | |
… | |
42 | # else |
79 | # else |
43 | # error sendfile support requested but not available |
80 | # error sendfile support requested but not available |
44 | # endif |
81 | # endif |
45 | #endif |
82 | #endif |
46 | |
83 | |
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84 | /* number of seconds after which idle threads exit */ |
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85 | #define IDLE_TIMEOUT 10 |
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86 | |
47 | /* used for struct dirent, AIX doesn't provide it */ |
87 | /* used for struct dirent, AIX doesn't provide it */ |
48 | #ifndef NAME_MAX |
88 | #ifndef NAME_MAX |
49 | # define NAME_MAX 4096 |
89 | # define NAME_MAX 4096 |
50 | #endif |
90 | #endif |
51 | |
91 | |
52 | #if __ia64 |
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53 | # define STACKSIZE 65536 |
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54 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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55 | # define STACKSIZE PTHREAD_STACK_MIN |
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56 | #else |
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57 | # define STACKSIZE 16384 |
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58 | #endif |
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59 | |
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60 | /* buffer size for various temporary buffers */ |
92 | /* buffer size for various temporary buffers */ |
61 | #define AIO_BUFSIZE 65536 |
93 | #define AIO_BUFSIZE 65536 |
62 | |
94 | |
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95 | /* use NV for 32 bit perls as it allows larger offsets */ |
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96 | #if IVSIZE >= 8 |
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97 | # define SvVAL64 SvIV |
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98 | #else |
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99 | # define SvVAL64 SvNV |
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100 | #endif |
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101 | |
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102 | static HV *stash; |
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103 | |
63 | #define dBUF \ |
104 | #define dBUF \ |
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105 | char *aio_buf; \ |
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106 | X_LOCK (wrklock); \ |
64 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
107 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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108 | X_UNLOCK (wrklock); \ |
65 | if (!aio_buf) \ |
109 | if (!aio_buf) \ |
66 | return -1; |
110 | return -1; |
67 | |
111 | |
68 | #define fBUF free (aio_buf) |
112 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
69 | |
113 | |
70 | enum { |
114 | enum { |
71 | REQ_QUIT, |
115 | REQ_QUIT, |
72 | REQ_OPEN, REQ_CLOSE, |
116 | REQ_OPEN, REQ_CLOSE, |
73 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
117 | REQ_READ, REQ_WRITE, |
74 | REQ_SENDFILE, |
118 | REQ_READAHEAD, REQ_SENDFILE, |
75 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
119 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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120 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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121 | REQ_UTIME, REQ_FUTIME, |
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122 | REQ_CHMOD, REQ_FCHMOD, |
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123 | REQ_CHOWN, REQ_FCHOWN, |
76 | REQ_FSYNC, REQ_FDATASYNC, |
124 | REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC, |
77 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
125 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
78 | REQ_READDIR, |
126 | REQ_MKNOD, REQ_READDIR, |
79 | REQ_LINK, REQ_SYMLINK, |
127 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
80 | REQ_GROUP, REQ_NOP, |
128 | REQ_GROUP, REQ_NOP, |
81 | REQ_BUSY, |
129 | REQ_BUSY, |
82 | }; |
130 | }; |
83 | |
131 | |
84 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
132 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
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86 | |
134 | |
87 | typedef struct aio_cb |
135 | typedef struct aio_cb |
88 | { |
136 | { |
89 | struct aio_cb *volatile next; |
137 | struct aio_cb *volatile next; |
90 | |
138 | |
91 | SV *data, *callback; |
139 | SV *callback; |
92 | SV *fh, *fh2; |
140 | SV *sv1, *sv2; |
93 | void *dataptr, *data2ptr; |
141 | void *ptr1, *ptr2; |
94 | Stat_t *statdata; |
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95 | off_t offset; |
142 | off_t offs; |
96 | size_t length; |
143 | size_t size; |
97 | ssize_t result; |
144 | ssize_t result; |
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145 | double nv1, nv2; |
98 | |
146 | |
99 | STRLEN dataoffset; |
147 | STRLEN stroffset; |
100 | int type; |
148 | int type; |
101 | int fd, fd2; |
149 | int int1, int2, int3; |
102 | int errorno; |
150 | int errorno; |
103 | mode_t mode; /* open */ |
151 | mode_t mode; /* open */ |
104 | |
152 | |
105 | unsigned char flags; |
153 | unsigned char flags; |
106 | unsigned char pri; |
154 | unsigned char pri; |
… | |
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108 | SV *self; /* the perl counterpart of this request, if any */ |
156 | SV *self; /* the perl counterpart of this request, if any */ |
109 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
157 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
110 | } aio_cb; |
158 | } aio_cb; |
111 | |
159 | |
112 | enum { |
160 | enum { |
113 | FLAG_CANCELLED = 0x01, |
161 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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162 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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163 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
114 | }; |
164 | }; |
115 | |
165 | |
116 | typedef aio_cb *aio_req; |
166 | typedef aio_cb *aio_req; |
117 | typedef aio_cb *aio_req_ornot; |
167 | typedef aio_cb *aio_req_ornot; |
118 | |
168 | |
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123 | DEFAULT_PRI = 0, |
173 | DEFAULT_PRI = 0, |
124 | PRI_BIAS = -PRI_MIN, |
174 | PRI_BIAS = -PRI_MIN, |
125 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
175 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
126 | }; |
176 | }; |
127 | |
177 | |
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178 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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179 | |
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180 | static unsigned int max_poll_time = 0; |
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181 | static unsigned int max_poll_reqs = 0; |
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182 | |
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183 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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184 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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185 | { |
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186 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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187 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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188 | } |
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189 | |
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190 | static thread_t main_tid; |
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191 | static int main_sig; |
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192 | static int block_sig_level; |
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193 | |
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194 | void block_sig (void) |
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195 | { |
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196 | sigset_t ss; |
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197 | |
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198 | if (block_sig_level++) |
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199 | return; |
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200 | |
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201 | if (!main_sig) |
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202 | return; |
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203 | |
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204 | sigemptyset (&ss); |
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205 | sigaddset (&ss, main_sig); |
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206 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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207 | } |
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208 | |
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209 | void unblock_sig (void) |
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210 | { |
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211 | sigset_t ss; |
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212 | |
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213 | if (--block_sig_level) |
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214 | return; |
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215 | |
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216 | if (!main_sig) |
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217 | return; |
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218 | |
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219 | sigemptyset (&ss); |
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220 | sigaddset (&ss, main_sig); |
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221 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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222 | } |
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223 | |
128 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
224 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
129 | |
225 | |
130 | static int started, wanted; |
226 | static unsigned int started, idle, wanted; |
131 | static volatile int nreqs; |
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132 | static int max_outstanding = 1<<30; |
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133 | static int respipe [2]; |
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134 | |
227 | |
135 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
228 | /* worker threads management */ |
136 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
229 | static mutex_t wrklock = X_MUTEX_INIT; |
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230 | |
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231 | typedef struct worker { |
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232 | /* locked by wrklock */ |
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233 | struct worker *prev, *next; |
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234 | |
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235 | thread_t tid; |
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236 | |
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237 | /* locked by reslock, reqlock or wrklock */ |
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238 | aio_req req; /* currently processed request */ |
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239 | void *dbuf; |
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240 | DIR *dirp; |
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241 | } worker; |
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242 | |
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243 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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244 | |
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245 | static void worker_clear (worker *wrk) |
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246 | { |
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247 | if (wrk->dirp) |
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248 | { |
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249 | closedir (wrk->dirp); |
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250 | wrk->dirp = 0; |
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251 | } |
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252 | |
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253 | if (wrk->dbuf) |
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254 | { |
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255 | free (wrk->dbuf); |
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256 | wrk->dbuf = 0; |
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257 | } |
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258 | } |
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259 | |
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260 | static void worker_free (worker *wrk) |
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261 | { |
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262 | wrk->next->prev = wrk->prev; |
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263 | wrk->prev->next = wrk->next; |
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264 | |
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265 | free (wrk); |
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266 | } |
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267 | |
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268 | static volatile unsigned int nreqs, nready, npending; |
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269 | static volatile unsigned int max_idle = 4; |
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270 | static volatile unsigned int max_outstanding = 0xffffffff; |
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271 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
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272 | |
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273 | static mutex_t reslock = X_MUTEX_INIT; |
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274 | static mutex_t reqlock = X_MUTEX_INIT; |
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275 | static cond_t reqwait = X_COND_INIT; |
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276 | |
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277 | #if WORDACCESS_UNSAFE |
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278 | |
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279 | static unsigned int get_nready (void) |
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280 | { |
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281 | unsigned int retval; |
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282 | |
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283 | X_LOCK (reqlock); |
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284 | retval = nready; |
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285 | X_UNLOCK (reqlock); |
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286 | |
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287 | return retval; |
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288 | } |
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289 | |
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290 | static unsigned int get_npending (void) |
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291 | { |
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292 | unsigned int retval; |
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293 | |
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294 | X_LOCK (reslock); |
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295 | retval = npending; |
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296 | X_UNLOCK (reslock); |
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297 | |
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298 | return retval; |
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299 | } |
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300 | |
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301 | static unsigned int get_nthreads (void) |
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302 | { |
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303 | unsigned int retval; |
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304 | |
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305 | X_LOCK (wrklock); |
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306 | retval = started; |
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307 | X_UNLOCK (wrklock); |
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308 | |
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309 | return retval; |
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310 | } |
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311 | |
137 | #else |
312 | #else |
138 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
313 | |
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314 | # define get_nready() nready |
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315 | # define get_npending() npending |
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316 | # define get_nthreads() started |
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317 | |
139 | #endif |
318 | #endif |
140 | |
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141 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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142 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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143 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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144 | |
319 | |
145 | /* |
320 | /* |
146 | * a somewhat faster data structure might be nice, but |
321 | * a somewhat faster data structure might be nice, but |
147 | * with 8 priorities this actually needs <20 insns |
322 | * with 8 priorities this actually needs <20 insns |
148 | * per shift, the most expensive operation. |
323 | * per shift, the most expensive operation. |
… | |
… | |
194 | } |
369 | } |
195 | |
370 | |
196 | abort (); |
371 | abort (); |
197 | } |
372 | } |
198 | |
373 | |
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374 | static int poll_cb (void); |
199 | static void req_invoke (aio_req req); |
375 | static int req_invoke (aio_req req); |
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376 | static void req_destroy (aio_req req); |
200 | static void req_free (aio_req req); |
377 | static void req_cancel (aio_req req); |
201 | |
378 | |
202 | /* must be called at most once */ |
379 | /* must be called at most once */ |
203 | static SV *req_sv (aio_req req, const char *klass) |
380 | static SV *req_sv (aio_req req, const char *klass) |
204 | { |
381 | { |
205 | if (!req->self) |
382 | if (!req->self) |
… | |
… | |
223 | return mg ? (aio_req)mg->mg_ptr : 0; |
400 | return mg ? (aio_req)mg->mg_ptr : 0; |
224 | } |
401 | } |
225 | |
402 | |
226 | static void aio_grp_feed (aio_req grp) |
403 | static void aio_grp_feed (aio_req grp) |
227 | { |
404 | { |
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405 | block_sig (); |
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406 | |
228 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
407 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
229 | { |
408 | { |
230 | int old_len = grp->length; |
409 | int old_len = grp->size; |
231 | |
410 | |
232 | if (grp->fh2 && SvOK (grp->fh2)) |
411 | if (grp->sv2 && SvOK (grp->sv2)) |
233 | { |
412 | { |
234 | dSP; |
413 | dSP; |
235 | |
414 | |
236 | ENTER; |
415 | ENTER; |
237 | SAVETMPS; |
416 | SAVETMPS; |
238 | PUSHMARK (SP); |
417 | PUSHMARK (SP); |
239 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
418 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
240 | PUTBACK; |
419 | PUTBACK; |
241 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
420 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
242 | SPAGAIN; |
421 | SPAGAIN; |
243 | FREETMPS; |
422 | FREETMPS; |
244 | LEAVE; |
423 | LEAVE; |
245 | } |
424 | } |
246 | |
425 | |
247 | /* stop if no progress has been made */ |
426 | /* stop if no progress has been made */ |
248 | if (old_len == grp->length) |
427 | if (old_len == grp->size) |
249 | { |
428 | { |
250 | SvREFCNT_dec (grp->fh2); |
429 | SvREFCNT_dec (grp->sv2); |
251 | grp->fh2 = 0; |
430 | grp->sv2 = 0; |
252 | break; |
431 | break; |
253 | } |
432 | } |
254 | } |
433 | } |
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434 | |
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435 | unblock_sig (); |
255 | } |
436 | } |
256 | |
437 | |
257 | static void aio_grp_dec (aio_req grp) |
438 | static void aio_grp_dec (aio_req grp) |
258 | { |
439 | { |
259 | --grp->length; |
440 | --grp->size; |
260 | |
441 | |
261 | /* call feeder, if applicable */ |
442 | /* call feeder, if applicable */ |
262 | aio_grp_feed (grp); |
443 | aio_grp_feed (grp); |
263 | |
444 | |
264 | /* finish, if done */ |
445 | /* finish, if done */ |
265 | if (!grp->length && grp->fd) |
446 | if (!grp->size && grp->int1) |
266 | { |
447 | { |
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448 | block_sig (); |
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449 | |
267 | req_invoke (grp); |
450 | if (!req_invoke (grp)) |
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451 | { |
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452 | req_destroy (grp); |
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453 | unblock_sig (); |
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454 | croak (0); |
|
|
455 | } |
|
|
456 | |
268 | req_free (grp); |
457 | req_destroy (grp); |
|
|
458 | unblock_sig (); |
269 | } |
459 | } |
270 | } |
460 | } |
271 | |
461 | |
272 | static void poll_wait () |
|
|
273 | { |
|
|
274 | fd_set rfd; |
|
|
275 | |
|
|
276 | while (nreqs) |
|
|
277 | { |
|
|
278 | int size; |
|
|
279 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
|
|
280 | pthread_mutex_lock (&reslock); |
|
|
281 | #endif |
|
|
282 | size = res_queue.size; |
|
|
283 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
|
|
284 | pthread_mutex_unlock (&reslock); |
|
|
285 | #endif |
|
|
286 | |
|
|
287 | if (size) |
|
|
288 | return; |
|
|
289 | |
|
|
290 | FD_ZERO(&rfd); |
|
|
291 | FD_SET(respipe [0], &rfd); |
|
|
292 | |
|
|
293 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
294 | } |
|
|
295 | } |
|
|
296 | |
|
|
297 | static void req_invoke (aio_req req) |
462 | static int req_invoke (aio_req req) |
298 | { |
463 | { |
299 | dSP; |
464 | dSP; |
|
|
465 | |
|
|
466 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
467 | SvREADONLY_off (req->sv2); |
300 | |
468 | |
301 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
469 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
302 | { |
470 | { |
303 | errno = req->errorno; |
|
|
304 | |
|
|
305 | ENTER; |
471 | ENTER; |
306 | SAVETMPS; |
472 | SAVETMPS; |
307 | PUSHMARK (SP); |
473 | PUSHMARK (SP); |
308 | EXTEND (SP, 1); |
474 | EXTEND (SP, 1); |
309 | |
475 | |
… | |
… | |
313 | { |
479 | { |
314 | SV *rv = &PL_sv_undef; |
480 | SV *rv = &PL_sv_undef; |
315 | |
481 | |
316 | if (req->result >= 0) |
482 | if (req->result >= 0) |
317 | { |
483 | { |
|
|
484 | int i; |
318 | char *buf = req->data2ptr; |
485 | char *buf = req->ptr2; |
319 | AV *av = newAV (); |
486 | AV *av = newAV (); |
320 | |
487 | |
321 | while (req->result) |
488 | av_extend (av, req->result - 1); |
|
|
489 | |
|
|
490 | for (i = 0; i < req->result; ++i) |
322 | { |
491 | { |
323 | SV *sv = newSVpv (buf, 0); |
492 | SV *sv = newSVpv (buf, 0); |
324 | |
493 | |
325 | av_push (av, sv); |
494 | av_store (av, i, sv); |
326 | buf += SvCUR (sv) + 1; |
495 | buf += SvCUR (sv) + 1; |
327 | req->result--; |
|
|
328 | } |
496 | } |
329 | |
497 | |
330 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
498 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
331 | } |
499 | } |
332 | |
500 | |
… | |
… | |
335 | break; |
503 | break; |
336 | |
504 | |
337 | case REQ_OPEN: |
505 | case REQ_OPEN: |
338 | { |
506 | { |
339 | /* convert fd to fh */ |
507 | /* convert fd to fh */ |
340 | SV *fh; |
508 | SV *fh = &PL_sv_undef; |
341 | |
509 | |
342 | PUSHs (sv_2mortal (newSViv (req->result))); |
510 | if (req->result >= 0) |
343 | PUTBACK; |
511 | { |
344 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
512 | GV *gv = (GV *)sv_newmortal (); |
345 | SPAGAIN; |
513 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
514 | char sym [64]; |
|
|
515 | int symlen; |
|
|
516 | |
|
|
517 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
518 | gv_init (gv, stash, sym, symlen, 0); |
346 | |
519 | |
347 | fh = SvREFCNT_inc (POPs); |
520 | symlen = snprintf ( |
|
|
521 | sym, |
|
|
522 | sizeof (sym), |
|
|
523 | "%s&=%d", |
|
|
524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
525 | req->result |
|
|
526 | ); |
348 | |
527 | |
|
|
528 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
529 | fh = (SV *)gv; |
|
|
530 | } |
|
|
531 | |
349 | PUSHMARK (SP); |
532 | PUSHs (fh); |
350 | XPUSHs (sv_2mortal (fh)); |
|
|
351 | } |
533 | } |
352 | break; |
534 | break; |
353 | |
535 | |
354 | case REQ_GROUP: |
536 | case REQ_GROUP: |
355 | req->fd = 2; /* mark group as finished */ |
537 | req->int1 = 2; /* mark group as finished */ |
356 | |
538 | |
357 | if (req->data) |
539 | if (req->sv1) |
358 | { |
540 | { |
359 | int i; |
541 | int i; |
360 | AV *av = (AV *)req->data; |
542 | AV *av = (AV *)req->sv1; |
361 | |
543 | |
362 | EXTEND (SP, AvFILL (av) + 1); |
544 | EXTEND (SP, AvFILL (av) + 1); |
363 | for (i = 0; i <= AvFILL (av); ++i) |
545 | for (i = 0; i <= AvFILL (av); ++i) |
364 | PUSHs (*av_fetch (av, i, 0)); |
546 | PUSHs (*av_fetch (av, i, 0)); |
365 | } |
547 | } |
… | |
… | |
367 | |
549 | |
368 | case REQ_NOP: |
550 | case REQ_NOP: |
369 | case REQ_BUSY: |
551 | case REQ_BUSY: |
370 | break; |
552 | break; |
371 | |
553 | |
|
|
554 | case REQ_READLINK: |
|
|
555 | if (req->result > 0) |
|
|
556 | { |
|
|
557 | SvCUR_set (req->sv2, req->result); |
|
|
558 | *SvEND (req->sv2) = 0; |
|
|
559 | PUSHs (req->sv2); |
|
|
560 | } |
|
|
561 | break; |
|
|
562 | |
|
|
563 | case REQ_STAT: |
|
|
564 | case REQ_LSTAT: |
|
|
565 | case REQ_FSTAT: |
|
|
566 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
567 | PL_laststatval = req->result; |
|
|
568 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
569 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
570 | break; |
|
|
571 | |
|
|
572 | case REQ_READ: |
|
|
573 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
574 | *SvEND (req->sv2) = 0; |
|
|
575 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
576 | break; |
|
|
577 | |
372 | default: |
578 | default: |
373 | PUSHs (sv_2mortal (newSViv (req->result))); |
579 | PUSHs (sv_2mortal (newSViv (req->result))); |
374 | break; |
580 | break; |
375 | } |
581 | } |
376 | |
582 | |
|
|
583 | errno = req->errorno; |
377 | |
584 | |
378 | PUTBACK; |
585 | PUTBACK; |
379 | call_sv (req->callback, G_VOID | G_EVAL); |
586 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
380 | SPAGAIN; |
587 | SPAGAIN; |
381 | |
588 | |
382 | FREETMPS; |
589 | FREETMPS; |
383 | LEAVE; |
590 | LEAVE; |
|
|
591 | |
|
|
592 | PUTBACK; |
384 | } |
593 | } |
385 | |
594 | |
386 | if (req->grp) |
595 | if (req->grp) |
387 | { |
596 | { |
388 | aio_req grp = req->grp; |
597 | aio_req grp = req->grp; |
… | |
… | |
395 | grp->grp_first = req->grp_next; |
604 | grp->grp_first = req->grp_next; |
396 | |
605 | |
397 | aio_grp_dec (grp); |
606 | aio_grp_dec (grp); |
398 | } |
607 | } |
399 | |
608 | |
400 | if (SvTRUE (ERRSV)) |
609 | return !SvTRUE (ERRSV); |
401 | { |
|
|
402 | req_free (req); |
|
|
403 | croak (0); |
|
|
404 | } |
|
|
405 | } |
610 | } |
406 | |
611 | |
407 | static void req_free (aio_req req) |
612 | static void req_destroy (aio_req req) |
408 | { |
613 | { |
409 | if (req->self) |
614 | if (req->self) |
410 | { |
615 | { |
411 | sv_unmagic (req->self, PERL_MAGIC_ext); |
616 | sv_unmagic (req->self, PERL_MAGIC_ext); |
412 | SvREFCNT_dec (req->self); |
617 | SvREFCNT_dec (req->self); |
413 | } |
618 | } |
414 | |
619 | |
415 | SvREFCNT_dec (req->data); |
|
|
416 | SvREFCNT_dec (req->fh); |
620 | SvREFCNT_dec (req->sv1); |
417 | SvREFCNT_dec (req->fh2); |
621 | SvREFCNT_dec (req->sv2); |
418 | SvREFCNT_dec (req->callback); |
622 | SvREFCNT_dec (req->callback); |
419 | Safefree (req->statdata); |
|
|
420 | |
623 | |
421 | if (req->type == REQ_READDIR && req->result >= 0) |
624 | if (req->flags & FLAG_PTR2_FREE) |
422 | free (req->data2ptr); |
625 | free (req->ptr2); |
423 | |
626 | |
424 | Safefree (req); |
627 | Safefree (req); |
425 | } |
628 | } |
426 | |
629 | |
|
|
630 | static void req_cancel_subs (aio_req grp) |
|
|
631 | { |
|
|
632 | aio_req sub; |
|
|
633 | |
|
|
634 | if (grp->type != REQ_GROUP) |
|
|
635 | return; |
|
|
636 | |
|
|
637 | SvREFCNT_dec (grp->sv2); |
|
|
638 | grp->sv2 = 0; |
|
|
639 | |
|
|
640 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
641 | req_cancel (sub); |
|
|
642 | } |
|
|
643 | |
427 | static void req_cancel (aio_req req) |
644 | static void req_cancel (aio_req req) |
428 | { |
645 | { |
429 | req->flags |= FLAG_CANCELLED; |
646 | req->flags |= FLAG_CANCELLED; |
430 | |
647 | |
431 | if (req->type == REQ_GROUP) |
648 | req_cancel_subs (req); |
|
|
649 | } |
|
|
650 | |
|
|
651 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
652 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
653 | #else |
|
|
654 | # define TO_SOCKET(x) (x) |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | static void |
|
|
658 | create_respipe (void) |
|
|
659 | { |
|
|
660 | int old_readfd = respipe [0]; |
|
|
661 | |
|
|
662 | if (respipe [1] >= 0) |
|
|
663 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
664 | |
|
|
665 | #ifdef _WIN32 |
|
|
666 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
667 | #else |
|
|
668 | if (pipe (respipe)) |
|
|
669 | #endif |
|
|
670 | croak ("unable to initialize result pipe"); |
|
|
671 | |
|
|
672 | if (old_readfd >= 0) |
432 | { |
673 | { |
433 | aio_req sub; |
674 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
675 | croak ("unable to initialize result pipe(2)"); |
434 | |
676 | |
435 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
677 | respipe_close (respipe [0]); |
436 | req_cancel (sub); |
678 | respipe [0] = old_readfd; |
437 | } |
679 | } |
438 | } |
|
|
439 | |
680 | |
|
|
681 | #ifdef _WIN32 |
|
|
682 | int arg = 1; |
|
|
683 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
684 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
685 | #else |
|
|
686 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
687 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
688 | #endif |
|
|
689 | croak ("unable to initialize result pipe(3)"); |
|
|
690 | |
|
|
691 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
692 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
693 | } |
|
|
694 | |
|
|
695 | X_THREAD_PROC (aio_proc); |
|
|
696 | |
|
|
697 | static void start_thread (void) |
|
|
698 | { |
|
|
699 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
700 | |
|
|
701 | if (!wrk) |
|
|
702 | croak ("unable to allocate worker thread data"); |
|
|
703 | |
|
|
704 | X_LOCK (wrklock); |
|
|
705 | |
|
|
706 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
707 | { |
|
|
708 | wrk->prev = &wrk_first; |
|
|
709 | wrk->next = wrk_first.next; |
|
|
710 | wrk_first.next->prev = wrk; |
|
|
711 | wrk_first.next = wrk; |
|
|
712 | ++started; |
|
|
713 | } |
|
|
714 | else |
|
|
715 | free (wrk); |
|
|
716 | |
|
|
717 | X_UNLOCK (wrklock); |
|
|
718 | } |
|
|
719 | |
|
|
720 | static void maybe_start_thread (void) |
|
|
721 | { |
|
|
722 | if (get_nthreads () >= wanted) |
|
|
723 | return; |
|
|
724 | |
|
|
725 | /* todo: maybe use idle here, but might be less exact */ |
|
|
726 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
727 | return; |
|
|
728 | |
|
|
729 | start_thread (); |
|
|
730 | } |
|
|
731 | |
|
|
732 | static void req_send (aio_req req) |
|
|
733 | { |
|
|
734 | block_sig (); |
|
|
735 | |
|
|
736 | ++nreqs; |
|
|
737 | |
|
|
738 | X_LOCK (reqlock); |
|
|
739 | ++nready; |
|
|
740 | reqq_push (&req_queue, req); |
|
|
741 | X_COND_SIGNAL (reqwait); |
|
|
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | unblock_sig (); |
|
|
745 | |
|
|
746 | maybe_start_thread (); |
|
|
747 | } |
|
|
748 | |
|
|
749 | static void end_thread (void) |
|
|
750 | { |
|
|
751 | aio_req req; |
|
|
752 | |
|
|
753 | Newz (0, req, 1, aio_cb); |
|
|
754 | |
|
|
755 | req->type = REQ_QUIT; |
|
|
756 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
757 | |
|
|
758 | X_LOCK (reqlock); |
|
|
759 | reqq_push (&req_queue, req); |
|
|
760 | X_COND_SIGNAL (reqwait); |
|
|
761 | X_UNLOCK (reqlock); |
|
|
762 | |
|
|
763 | X_LOCK (wrklock); |
|
|
764 | --started; |
|
|
765 | X_UNLOCK (wrklock); |
|
|
766 | } |
|
|
767 | |
|
|
768 | static void set_max_idle (int nthreads) |
|
|
769 | { |
|
|
770 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
771 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
772 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
773 | } |
|
|
774 | |
|
|
775 | static void min_parallel (int nthreads) |
|
|
776 | { |
|
|
777 | if (wanted < nthreads) |
|
|
778 | wanted = nthreads; |
|
|
779 | } |
|
|
780 | |
|
|
781 | static void max_parallel (int nthreads) |
|
|
782 | { |
|
|
783 | if (wanted > nthreads) |
|
|
784 | wanted = nthreads; |
|
|
785 | |
|
|
786 | while (started > wanted) |
|
|
787 | end_thread (); |
|
|
788 | } |
|
|
789 | |
|
|
790 | static void poll_wait (void) |
|
|
791 | { |
|
|
792 | fd_set rfd; |
|
|
793 | |
|
|
794 | while (nreqs) |
|
|
795 | { |
|
|
796 | int size; |
|
|
797 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
|
|
798 | size = res_queue.size; |
|
|
799 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
|
|
800 | |
|
|
801 | if (size) |
|
|
802 | return; |
|
|
803 | |
|
|
804 | maybe_start_thread (); |
|
|
805 | |
|
|
806 | FD_ZERO (&rfd); |
|
|
807 | FD_SET (respipe [0], &rfd); |
|
|
808 | |
|
|
809 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
810 | } |
|
|
811 | } |
|
|
812 | |
440 | static int poll_cb () |
813 | static int poll_cb (void) |
441 | { |
814 | { |
442 | dSP; |
815 | dSP; |
443 | int count = 0; |
816 | int count = 0; |
|
|
817 | int maxreqs = max_poll_reqs; |
444 | int do_croak = 0; |
818 | int do_croak = 0; |
|
|
819 | struct timeval tv_start, tv_now; |
445 | aio_req req; |
820 | aio_req req; |
|
|
821 | |
|
|
822 | if (max_poll_time) |
|
|
823 | gettimeofday (&tv_start, 0); |
|
|
824 | |
|
|
825 | block_sig (); |
446 | |
826 | |
447 | for (;;) |
827 | for (;;) |
448 | { |
828 | { |
449 | pthread_mutex_lock (&reslock); |
829 | for (;;) |
450 | req = reqq_shift (&res_queue); |
|
|
451 | |
|
|
452 | if (req) |
|
|
453 | { |
830 | { |
|
|
831 | maybe_start_thread (); |
|
|
832 | |
|
|
833 | X_LOCK (reslock); |
|
|
834 | req = reqq_shift (&res_queue); |
|
|
835 | |
454 | if (!res_queue.size) |
836 | if (req) |
455 | { |
837 | { |
|
|
838 | --npending; |
|
|
839 | |
|
|
840 | if (!res_queue.size) |
|
|
841 | { |
456 | /* read any signals sent by the worker threads */ |
842 | /* read any signals sent by the worker threads */ |
457 | char buf [32]; |
843 | char buf [4]; |
458 | while (read (respipe [0], buf, 32) == 32) |
844 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
845 | ; |
459 | ; |
846 | } |
|
|
847 | } |
|
|
848 | |
|
|
849 | X_UNLOCK (reslock); |
|
|
850 | |
|
|
851 | if (!req) |
|
|
852 | break; |
|
|
853 | |
|
|
854 | --nreqs; |
|
|
855 | |
|
|
856 | if (req->type == REQ_GROUP && req->size) |
|
|
857 | { |
|
|
858 | req->int1 = 1; /* mark request as delayed */ |
|
|
859 | continue; |
|
|
860 | } |
|
|
861 | else |
|
|
862 | { |
|
|
863 | if (!req_invoke (req)) |
|
|
864 | { |
|
|
865 | req_destroy (req); |
|
|
866 | unblock_sig (); |
|
|
867 | croak (0); |
|
|
868 | } |
|
|
869 | |
|
|
870 | count++; |
|
|
871 | } |
|
|
872 | |
|
|
873 | req_destroy (req); |
|
|
874 | |
|
|
875 | if (maxreqs && !--maxreqs) |
|
|
876 | break; |
|
|
877 | |
|
|
878 | if (max_poll_time) |
|
|
879 | { |
|
|
880 | gettimeofday (&tv_now, 0); |
|
|
881 | |
|
|
882 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
883 | break; |
460 | } |
884 | } |
461 | } |
885 | } |
462 | |
886 | |
463 | pthread_mutex_unlock (&reslock); |
887 | if (nreqs <= max_outstanding) |
464 | |
|
|
465 | if (!req) |
|
|
466 | break; |
888 | break; |
467 | |
889 | |
468 | --nreqs; |
890 | poll_wait (); |
469 | |
891 | |
470 | if (req->type == REQ_QUIT) |
892 | ++maxreqs; |
471 | started--; |
|
|
472 | else if (req->type == REQ_GROUP && req->length) |
|
|
473 | { |
|
|
474 | req->fd = 1; /* mark request as delayed */ |
|
|
475 | continue; |
|
|
476 | } |
|
|
477 | else |
|
|
478 | { |
|
|
479 | if (req->type == REQ_READ) |
|
|
480 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
481 | |
|
|
482 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
483 | SvREADONLY_off (req->data); |
|
|
484 | |
|
|
485 | if (req->statdata) |
|
|
486 | { |
|
|
487 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
488 | PL_laststatval = req->result; |
|
|
489 | PL_statcache = *(req->statdata); |
|
|
490 | } |
|
|
491 | |
|
|
492 | req_invoke (req); |
|
|
493 | |
|
|
494 | count++; |
|
|
495 | } |
|
|
496 | |
|
|
497 | req_free (req); |
|
|
498 | } |
893 | } |
499 | |
894 | |
|
|
895 | unblock_sig (); |
500 | return count; |
896 | return count; |
501 | } |
|
|
502 | |
|
|
503 | static void *aio_proc(void *arg); |
|
|
504 | |
|
|
505 | static void start_thread (void) |
|
|
506 | { |
|
|
507 | sigset_t fullsigset, oldsigset; |
|
|
508 | pthread_t tid; |
|
|
509 | pthread_attr_t attr; |
|
|
510 | |
|
|
511 | pthread_attr_init (&attr); |
|
|
512 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
513 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
514 | |
|
|
515 | sigfillset (&fullsigset); |
|
|
516 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
517 | |
|
|
518 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
519 | started++; |
|
|
520 | |
|
|
521 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
522 | } |
|
|
523 | |
|
|
524 | static void req_send (aio_req req) |
|
|
525 | { |
|
|
526 | while (started < wanted && nreqs >= started) |
|
|
527 | start_thread (); |
|
|
528 | |
|
|
529 | ++nreqs; |
|
|
530 | |
|
|
531 | pthread_mutex_lock (&reqlock); |
|
|
532 | reqq_push (&req_queue, req); |
|
|
533 | pthread_cond_signal (&reqwait); |
|
|
534 | pthread_mutex_unlock (&reqlock); |
|
|
535 | |
|
|
536 | if (nreqs > max_outstanding) |
|
|
537 | for (;;) |
|
|
538 | { |
|
|
539 | poll_cb (); |
|
|
540 | |
|
|
541 | if (nreqs <= max_outstanding) |
|
|
542 | break; |
|
|
543 | |
|
|
544 | poll_wait (); |
|
|
545 | } |
|
|
546 | } |
|
|
547 | |
|
|
548 | static void end_thread (void) |
|
|
549 | { |
|
|
550 | aio_req req; |
|
|
551 | |
|
|
552 | Newz (0, req, 1, aio_cb); |
|
|
553 | |
|
|
554 | req->type = REQ_QUIT; |
|
|
555 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
556 | |
|
|
557 | req_send (req); |
|
|
558 | } |
|
|
559 | |
|
|
560 | static void min_parallel (int nthreads) |
|
|
561 | { |
|
|
562 | if (wanted < nthreads) |
|
|
563 | wanted = nthreads; |
|
|
564 | } |
|
|
565 | |
|
|
566 | static void max_parallel (int nthreads) |
|
|
567 | { |
|
|
568 | int cur = started; |
|
|
569 | |
|
|
570 | if (wanted > nthreads) |
|
|
571 | wanted = nthreads; |
|
|
572 | |
|
|
573 | while (cur > wanted) |
|
|
574 | { |
|
|
575 | end_thread (); |
|
|
576 | cur--; |
|
|
577 | } |
|
|
578 | |
|
|
579 | while (started > wanted) |
|
|
580 | { |
|
|
581 | poll_wait (); |
|
|
582 | poll_cb (); |
|
|
583 | } |
|
|
584 | } |
|
|
585 | |
|
|
586 | static void create_pipe () |
|
|
587 | { |
|
|
588 | if (pipe (respipe)) |
|
|
589 | croak ("unable to initialize result pipe"); |
|
|
590 | |
|
|
591 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
592 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
593 | |
|
|
594 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
595 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
596 | } |
897 | } |
597 | |
898 | |
598 | /*****************************************************************************/ |
899 | /*****************************************************************************/ |
599 | /* work around various missing functions */ |
900 | /* work around various missing functions */ |
600 | |
901 | |
… | |
… | |
605 | /* |
906 | /* |
606 | * make our pread/pwrite safe against themselves, but not against |
907 | * make our pread/pwrite safe against themselves, but not against |
607 | * normal read/write by using a mutex. slows down execution a lot, |
908 | * normal read/write by using a mutex. slows down execution a lot, |
608 | * but that's your problem, not mine. |
909 | * but that's your problem, not mine. |
609 | */ |
910 | */ |
610 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
911 | static mutex_t preadwritelock = X_MUTEX_INIT; |
611 | |
912 | |
612 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
913 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
613 | { |
914 | { |
614 | ssize_t res; |
915 | ssize_t res; |
615 | off_t ooffset; |
916 | off_t ooffset; |
616 | |
917 | |
617 | pthread_mutex_lock (&preadwritelock); |
918 | X_LOCK (preadwritelock); |
618 | ooffset = lseek (fd, 0, SEEK_CUR); |
919 | ooffset = lseek (fd, 0, SEEK_CUR); |
619 | lseek (fd, offset, SEEK_SET); |
920 | lseek (fd, offset, SEEK_SET); |
620 | res = read (fd, buf, count); |
921 | res = read (fd, buf, count); |
621 | lseek (fd, ooffset, SEEK_SET); |
922 | lseek (fd, ooffset, SEEK_SET); |
622 | pthread_mutex_unlock (&preadwritelock); |
923 | X_UNLOCK (preadwritelock); |
623 | |
924 | |
624 | return res; |
925 | return res; |
625 | } |
926 | } |
626 | |
927 | |
627 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
928 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
628 | { |
929 | { |
629 | ssize_t res; |
930 | ssize_t res; |
630 | off_t ooffset; |
931 | off_t ooffset; |
631 | |
932 | |
632 | pthread_mutex_lock (&preadwritelock); |
933 | X_LOCK (preadwritelock); |
633 | ooffset = lseek (fd, 0, SEEK_CUR); |
934 | ooffset = lseek (fd, 0, SEEK_CUR); |
634 | lseek (fd, offset, SEEK_SET); |
935 | lseek (fd, offset, SEEK_SET); |
635 | res = write (fd, buf, count); |
936 | res = write (fd, buf, count); |
636 | lseek (fd, offset, SEEK_SET); |
937 | lseek (fd, offset, SEEK_SET); |
637 | pthread_mutex_unlock (&preadwritelock); |
938 | X_UNLOCK (preadwritelock); |
638 | |
939 | |
639 | return res; |
940 | return res; |
640 | } |
941 | } |
|
|
942 | #endif |
|
|
943 | |
|
|
944 | #ifndef HAVE_FUTIMES |
|
|
945 | |
|
|
946 | # define utimes(path,times) aio_utimes (path, times) |
|
|
947 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
948 | |
|
|
949 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
950 | { |
|
|
951 | if (times) |
|
|
952 | { |
|
|
953 | struct utimbuf buf; |
|
|
954 | |
|
|
955 | buf.actime = times[0].tv_sec; |
|
|
956 | buf.modtime = times[1].tv_sec; |
|
|
957 | |
|
|
958 | return utime (filename, &buf); |
|
|
959 | } |
|
|
960 | else |
|
|
961 | return utime (filename, 0); |
|
|
962 | } |
|
|
963 | |
|
|
964 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
965 | { |
|
|
966 | errno = ENOSYS; |
|
|
967 | return -1; |
|
|
968 | } |
|
|
969 | |
641 | #endif |
970 | #endif |
642 | |
971 | |
643 | #if !HAVE_FDATASYNC |
972 | #if !HAVE_FDATASYNC |
644 | # define fdatasync fsync |
973 | # define fdatasync fsync |
645 | #endif |
974 | #endif |
646 | |
975 | |
647 | #if !HAVE_READAHEAD |
976 | #if !HAVE_READAHEAD |
648 | # define readahead aio_readahead |
977 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
649 | |
978 | |
650 | static ssize_t readahead (int fd, off_t offset, size_t count) |
979 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
651 | { |
980 | { |
|
|
981 | size_t todo = count; |
652 | dBUF; |
982 | dBUF; |
653 | |
983 | |
654 | while (count > 0) |
984 | while (todo > 0) |
655 | { |
985 | { |
656 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
986 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
657 | |
987 | |
658 | pread (fd, aio_buf, len, offset); |
988 | pread (fd, aio_buf, len, offset); |
659 | offset += len; |
989 | offset += len; |
660 | count -= len; |
990 | todo -= len; |
661 | } |
991 | } |
662 | |
992 | |
663 | fBUF; |
|
|
664 | |
|
|
665 | errno = 0; |
993 | errno = 0; |
|
|
994 | return count; |
666 | } |
995 | } |
|
|
996 | |
667 | #endif |
997 | #endif |
668 | |
998 | |
669 | #if !HAVE_READDIR_R |
999 | #if !HAVE_READDIR_R |
670 | # define readdir_r aio_readdir_r |
1000 | # define readdir_r aio_readdir_r |
671 | |
1001 | |
672 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
1002 | static mutex_t readdirlock = X_MUTEX_INIT; |
673 | |
1003 | |
674 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
1004 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
675 | { |
1005 | { |
676 | struct dirent *e; |
1006 | X_DIRENT *e; |
677 | int errorno; |
1007 | int errorno; |
678 | |
1008 | |
679 | pthread_mutex_lock (&readdirlock); |
1009 | X_LOCK (readdirlock); |
680 | |
1010 | |
681 | e = readdir (dirp); |
1011 | e = readdir (dirp); |
682 | errorno = errno; |
1012 | errorno = errno; |
683 | |
1013 | |
684 | if (e) |
1014 | if (e) |
… | |
… | |
687 | strcpy (ent->d_name, e->d_name); |
1017 | strcpy (ent->d_name, e->d_name); |
688 | } |
1018 | } |
689 | else |
1019 | else |
690 | *res = 0; |
1020 | *res = 0; |
691 | |
1021 | |
692 | pthread_mutex_unlock (&readdirlock); |
1022 | X_UNLOCK (readdirlock); |
693 | |
1023 | |
694 | errno = errorno; |
1024 | errno = errorno; |
695 | return e ? 0 : -1; |
1025 | return e ? 0 : -1; |
696 | } |
1026 | } |
697 | #endif |
1027 | #endif |
698 | |
1028 | |
699 | /* sendfile always needs emulation */ |
1029 | /* sendfile always needs emulation */ |
700 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
1030 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
701 | { |
1031 | { |
702 | ssize_t res; |
1032 | ssize_t res; |
703 | |
1033 | |
704 | if (!count) |
1034 | if (!count) |
705 | return 0; |
1035 | return 0; |
… | |
… | |
716 | { |
1046 | { |
717 | off_t sbytes; |
1047 | off_t sbytes; |
718 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
1048 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
719 | |
1049 | |
720 | if (res < 0 && sbytes) |
1050 | if (res < 0 && sbytes) |
721 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
1051 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
722 | res = sbytes; |
1052 | res = sbytes; |
723 | } |
1053 | } |
724 | |
1054 | |
725 | # elif __hpux |
1055 | # elif __hpux |
726 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
1056 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
782 | |
1112 | |
783 | offset += cnt; |
1113 | offset += cnt; |
784 | res += cnt; |
1114 | res += cnt; |
785 | count -= cnt; |
1115 | count -= cnt; |
786 | } |
1116 | } |
787 | |
|
|
788 | fBUF; |
|
|
789 | } |
1117 | } |
790 | |
1118 | |
791 | return res; |
1119 | return res; |
792 | } |
1120 | } |
793 | |
1121 | |
794 | /* read a full directory */ |
1122 | /* read a full directory */ |
795 | static int scandir_ (const char *path, void **namesp) |
1123 | static void scandir_ (aio_req req, worker *self) |
796 | { |
1124 | { |
797 | DIR *dirp; |
1125 | DIR *dirp; |
798 | union |
1126 | union |
799 | { |
1127 | { |
800 | struct dirent d; |
1128 | X_DIRENT d; |
801 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1129 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
802 | } *u; |
1130 | } *u; |
803 | struct dirent *entp; |
1131 | X_DIRENT *entp; |
804 | char *name, *names; |
1132 | char *name, *names; |
805 | int memlen = 4096; |
1133 | int memlen = 4096; |
806 | int memofs = 0; |
1134 | int memofs = 0; |
807 | int res = 0; |
1135 | int res = 0; |
808 | int errorno; |
|
|
809 | |
1136 | |
810 | dirp = opendir (path); |
1137 | X_LOCK (wrklock); |
811 | if (!dirp) |
1138 | self->dirp = dirp = opendir (req->ptr1); |
812 | return -1; |
|
|
813 | |
|
|
814 | u = malloc (sizeof (*u)); |
1139 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1140 | req->flags |= FLAG_PTR2_FREE; |
815 | names = malloc (memlen); |
1141 | req->ptr2 = names = malloc (memlen); |
|
|
1142 | X_UNLOCK (wrklock); |
816 | |
1143 | |
817 | if (u && names) |
1144 | if (dirp && u && names) |
818 | for (;;) |
1145 | for (;;) |
819 | { |
1146 | { |
820 | errno = 0; |
1147 | errno = 0; |
821 | readdir_r (dirp, &u->d, &entp); |
1148 | readdir_r (dirp, &u->d, &entp); |
822 | |
1149 | |
… | |
… | |
832 | res++; |
1159 | res++; |
833 | |
1160 | |
834 | while (memofs + len > memlen) |
1161 | while (memofs + len > memlen) |
835 | { |
1162 | { |
836 | memlen *= 2; |
1163 | memlen *= 2; |
|
|
1164 | X_LOCK (wrklock); |
837 | names = realloc (names, memlen); |
1165 | req->ptr2 = names = realloc (names, memlen); |
|
|
1166 | X_UNLOCK (wrklock); |
|
|
1167 | |
838 | if (!names) |
1168 | if (!names) |
839 | break; |
1169 | break; |
840 | } |
1170 | } |
841 | |
1171 | |
842 | memcpy (names + memofs, name, len); |
1172 | memcpy (names + memofs, name, len); |
843 | memofs += len; |
1173 | memofs += len; |
844 | } |
1174 | } |
845 | } |
1175 | } |
846 | |
1176 | |
847 | errorno = errno; |
|
|
848 | free (u); |
|
|
849 | closedir (dirp); |
|
|
850 | |
|
|
851 | if (errorno) |
1177 | if (errno) |
|
|
1178 | res = -1; |
|
|
1179 | |
|
|
1180 | req->result = res; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | /*****************************************************************************/ |
|
|
1184 | |
|
|
1185 | X_THREAD_PROC (aio_proc) |
|
|
1186 | { |
|
|
1187 | {//D |
|
|
1188 | aio_req req; |
|
|
1189 | struct timespec ts; |
|
|
1190 | worker *self = (worker *)thr_arg; |
|
|
1191 | |
|
|
1192 | /* try to distribute timeouts somewhat randomly */ |
|
|
1193 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1194 | |
|
|
1195 | for (;;) |
852 | { |
1196 | { |
853 | free (names); |
1197 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
854 | errno = errorno; |
|
|
855 | res = -1; |
|
|
856 | } |
|
|
857 | |
1198 | |
858 | *namesp = (void *)names; |
1199 | X_LOCK (reqlock); |
859 | return res; |
|
|
860 | } |
|
|
861 | |
|
|
862 | /*****************************************************************************/ |
|
|
863 | |
|
|
864 | static void *aio_proc (void *thr_arg) |
|
|
865 | { |
|
|
866 | aio_req req; |
|
|
867 | int type; |
|
|
868 | |
|
|
869 | do |
|
|
870 | { |
|
|
871 | pthread_mutex_lock (&reqlock); |
|
|
872 | |
1200 | |
873 | for (;;) |
1201 | for (;;) |
874 | { |
1202 | { |
875 | req = reqq_shift (&req_queue); |
1203 | self->req = req = reqq_shift (&req_queue); |
876 | |
1204 | |
877 | if (req) |
1205 | if (req) |
878 | break; |
1206 | break; |
879 | |
1207 | |
880 | pthread_cond_wait (&reqwait, &reqlock); |
1208 | ++idle; |
|
|
1209 | |
|
|
1210 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1211 | == ETIMEDOUT) |
|
|
1212 | { |
|
|
1213 | if (idle > max_idle) |
|
|
1214 | { |
|
|
1215 | --idle; |
|
|
1216 | X_UNLOCK (reqlock); |
|
|
1217 | X_LOCK (wrklock); |
|
|
1218 | --started; |
|
|
1219 | X_UNLOCK (wrklock); |
|
|
1220 | goto quit; |
|
|
1221 | } |
|
|
1222 | |
|
|
1223 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1224 | X_COND_WAIT (reqwait, reqlock); |
|
|
1225 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | --idle; |
881 | } |
1229 | } |
882 | |
1230 | |
883 | pthread_mutex_unlock (&reqlock); |
1231 | --nready; |
|
|
1232 | |
|
|
1233 | X_UNLOCK (reqlock); |
884 | |
1234 | |
885 | errno = 0; /* strictly unnecessary */ |
1235 | errno = 0; /* strictly unnecessary */ |
886 | type = req->type; /* remember type for QUIT check */ |
|
|
887 | |
1236 | |
888 | if (!(req->flags & FLAG_CANCELLED)) |
1237 | if (!(req->flags & FLAG_CANCELLED)) |
889 | switch (type) |
1238 | switch (req->type) |
890 | { |
1239 | { |
891 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1240 | case REQ_READ: req->result = req->offs >= 0 |
892 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1241 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1242 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1243 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1244 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1245 | : write (req->int1, req->ptr1, req->size); break; |
893 | |
1246 | |
894 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1247 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
895 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
1248 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
896 | |
1249 | |
897 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1250 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
898 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1251 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
899 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1252 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
900 | |
1253 | |
|
|
1254 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1255 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1256 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1257 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1258 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1259 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1260 | |
901 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1261 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
902 | case REQ_CLOSE: req->result = close (req->fd); break; |
1262 | case REQ_CLOSE: req->result = close (req->int1); break; |
903 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1263 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
904 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1264 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1265 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
905 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1266 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
906 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1267 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
907 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1268 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1269 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1270 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
908 | |
1271 | |
909 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1272 | case REQ_SYNC: req->result = 0; sync (); break; |
910 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1273 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
911 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
1274 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1275 | |
|
|
1276 | case REQ_READDIR: scandir_ (req, self); break; |
912 | |
1277 | |
913 | case REQ_BUSY: |
1278 | case REQ_BUSY: |
|
|
1279 | #ifdef _WIN32 |
|
|
1280 | Sleep (req->nv1 * 1000.); |
|
|
1281 | #else |
914 | { |
1282 | { |
915 | struct timeval tv; |
1283 | struct timeval tv; |
916 | |
1284 | |
917 | tv.tv_sec = req->fd; |
1285 | tv.tv_sec = req->nv1; |
918 | tv.tv_usec = req->fd2; |
1286 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
919 | |
1287 | |
920 | req->result = select (0, 0, 0, 0, &tv); |
1288 | req->result = select (0, 0, 0, 0, &tv); |
921 | } |
1289 | } |
|
|
1290 | #endif |
|
|
1291 | break; |
|
|
1292 | |
|
|
1293 | case REQ_UTIME: |
|
|
1294 | case REQ_FUTIME: |
|
|
1295 | { |
|
|
1296 | struct timeval tv[2]; |
|
|
1297 | struct timeval *times; |
|
|
1298 | |
|
|
1299 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1300 | { |
|
|
1301 | tv[0].tv_sec = req->nv1; |
|
|
1302 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1303 | tv[1].tv_sec = req->nv2; |
|
|
1304 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1305 | |
|
|
1306 | times = tv; |
|
|
1307 | } |
|
|
1308 | else |
|
|
1309 | times = 0; |
|
|
1310 | |
|
|
1311 | |
|
|
1312 | req->result = req->type == REQ_FUTIME |
|
|
1313 | ? futimes (req->int1, times) |
|
|
1314 | : utimes (req->ptr1, times); |
|
|
1315 | } |
922 | |
1316 | |
923 | case REQ_GROUP: |
1317 | case REQ_GROUP: |
924 | case REQ_NOP: |
1318 | case REQ_NOP: |
|
|
1319 | break; |
|
|
1320 | |
925 | case REQ_QUIT: |
1321 | case REQ_QUIT: |
926 | break; |
1322 | goto quit; |
927 | |
1323 | |
928 | default: |
1324 | default: |
929 | req->result = ENOSYS; |
1325 | req->result = -1; |
930 | break; |
1326 | break; |
931 | } |
1327 | } |
932 | |
1328 | |
933 | req->errorno = errno; |
1329 | req->errorno = errno; |
934 | |
1330 | |
935 | pthread_mutex_lock (&reslock); |
1331 | X_LOCK (reslock); |
|
|
1332 | |
|
|
1333 | ++npending; |
936 | |
1334 | |
937 | if (!reqq_push (&res_queue, req)) |
1335 | if (!reqq_push (&res_queue, req)) |
|
|
1336 | { |
938 | /* write a dummy byte to the pipe so fh becomes ready */ |
1337 | /* write a dummy byte to the pipe so fh becomes ready */ |
939 | write (respipe [1], &respipe, 1); |
1338 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
940 | |
1339 | |
941 | pthread_mutex_unlock (&reslock); |
1340 | /* optionally signal the main thread asynchronously */ |
|
|
1341 | if (main_sig) |
|
|
1342 | pthread_kill (main_tid, main_sig); |
|
|
1343 | } |
|
|
1344 | |
|
|
1345 | self->req = 0; |
|
|
1346 | worker_clear (self); |
|
|
1347 | |
|
|
1348 | X_UNLOCK (reslock); |
942 | } |
1349 | } |
943 | while (type != REQ_QUIT); |
1350 | |
|
|
1351 | quit: |
|
|
1352 | X_LOCK (wrklock); |
|
|
1353 | worker_free (self); |
|
|
1354 | X_UNLOCK (wrklock); |
944 | |
1355 | |
945 | return 0; |
1356 | return 0; |
|
|
1357 | }//D |
946 | } |
1358 | } |
947 | |
1359 | |
948 | /*****************************************************************************/ |
1360 | /*****************************************************************************/ |
949 | |
1361 | |
950 | static void atfork_prepare (void) |
1362 | static void atfork_prepare (void) |
951 | { |
1363 | { |
952 | pthread_mutex_lock (&reqlock); |
1364 | X_LOCK (wrklock); |
953 | pthread_mutex_lock (&reslock); |
1365 | X_LOCK (reqlock); |
|
|
1366 | X_LOCK (reslock); |
954 | #if !HAVE_PREADWRITE |
1367 | #if !HAVE_PREADWRITE |
955 | pthread_mutex_lock (&preadwritelock); |
1368 | X_LOCK (preadwritelock); |
956 | #endif |
1369 | #endif |
957 | #if !HAVE_READDIR_R |
1370 | #if !HAVE_READDIR_R |
958 | pthread_mutex_lock (&readdirlock); |
1371 | X_LOCK (readdirlock); |
959 | #endif |
1372 | #endif |
960 | } |
1373 | } |
961 | |
1374 | |
962 | static void atfork_parent (void) |
1375 | static void atfork_parent (void) |
963 | { |
1376 | { |
964 | #if !HAVE_READDIR_R |
1377 | #if !HAVE_READDIR_R |
965 | pthread_mutex_unlock (&readdirlock); |
1378 | X_UNLOCK (readdirlock); |
966 | #endif |
1379 | #endif |
967 | #if !HAVE_PREADWRITE |
1380 | #if !HAVE_PREADWRITE |
968 | pthread_mutex_unlock (&preadwritelock); |
1381 | X_UNLOCK (preadwritelock); |
969 | #endif |
1382 | #endif |
970 | pthread_mutex_unlock (&reslock); |
1383 | X_UNLOCK (reslock); |
971 | pthread_mutex_unlock (&reqlock); |
1384 | X_UNLOCK (reqlock); |
|
|
1385 | X_UNLOCK (wrklock); |
972 | } |
1386 | } |
973 | |
1387 | |
974 | static void atfork_child (void) |
1388 | static void atfork_child (void) |
975 | { |
1389 | { |
976 | aio_req prv; |
1390 | aio_req prv; |
977 | |
1391 | |
978 | started = 0; |
|
|
979 | |
|
|
980 | while (prv = reqq_shift (&req_queue)) |
1392 | while (prv = reqq_shift (&req_queue)) |
981 | req_free (prv); |
1393 | req_destroy (prv); |
982 | |
1394 | |
983 | while (prv = reqq_shift (&res_queue)) |
1395 | while (prv = reqq_shift (&res_queue)) |
984 | req_free (prv); |
1396 | req_destroy (prv); |
985 | |
1397 | |
986 | close (respipe [0]); |
1398 | while (wrk_first.next != &wrk_first) |
987 | close (respipe [1]); |
1399 | { |
|
|
1400 | worker *wrk = wrk_first.next; |
|
|
1401 | |
|
|
1402 | if (wrk->req) |
|
|
1403 | req_destroy (wrk->req); |
|
|
1404 | |
|
|
1405 | worker_clear (wrk); |
|
|
1406 | worker_free (wrk); |
|
|
1407 | } |
|
|
1408 | |
|
|
1409 | started = 0; |
|
|
1410 | idle = 0; |
|
|
1411 | nreqs = 0; |
|
|
1412 | nready = 0; |
|
|
1413 | npending = 0; |
|
|
1414 | |
988 | create_pipe (); |
1415 | create_respipe (); |
989 | |
1416 | |
990 | atfork_parent (); |
1417 | atfork_parent (); |
991 | } |
1418 | } |
992 | |
1419 | |
993 | #define dREQ \ |
1420 | #define dREQ \ |
… | |
… | |
1015 | |
1442 | |
1016 | PROTOTYPES: ENABLE |
1443 | PROTOTYPES: ENABLE |
1017 | |
1444 | |
1018 | BOOT: |
1445 | BOOT: |
1019 | { |
1446 | { |
1020 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1447 | stash = gv_stashpv ("IO::AIO", 1); |
|
|
1448 | |
1021 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1449 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1022 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1450 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1023 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1451 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1452 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1453 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1454 | #ifdef _WIN32 |
|
|
1455 | X_MUTEX_CHECK (wrklock); |
|
|
1456 | X_MUTEX_CHECK (reslock); |
|
|
1457 | X_MUTEX_CHECK (reqlock); |
|
|
1458 | X_MUTEX_CHECK (reqwait); |
|
|
1459 | X_MUTEX_CHECK (preadwritelock); |
|
|
1460 | X_MUTEX_CHECK (readdirlock); |
1024 | |
1461 | |
1025 | create_pipe (); |
1462 | X_COND_CHECK (reqwait); |
|
|
1463 | #else |
|
|
1464 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1465 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1466 | #endif |
|
|
1467 | |
|
|
1468 | create_respipe (); |
|
|
1469 | |
1026 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1470 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1027 | } |
1471 | } |
1028 | |
1472 | |
1029 | void |
1473 | void |
1030 | min_parallel (nthreads) |
1474 | max_poll_reqs (int nreqs) |
1031 | int nthreads |
|
|
1032 | PROTOTYPE: $ |
1475 | PROTOTYPE: $ |
|
|
1476 | CODE: |
|
|
1477 | max_poll_reqs = nreqs; |
1033 | |
1478 | |
1034 | void |
1479 | void |
1035 | max_parallel (nthreads) |
1480 | max_poll_time (double nseconds) |
1036 | int nthreads |
|
|
1037 | PROTOTYPE: $ |
1481 | PROTOTYPE: $ |
|
|
1482 | CODE: |
|
|
1483 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1484 | |
|
|
1485 | void |
|
|
1486 | min_parallel (int nthreads) |
|
|
1487 | PROTOTYPE: $ |
|
|
1488 | |
|
|
1489 | void |
|
|
1490 | max_parallel (int nthreads) |
|
|
1491 | PROTOTYPE: $ |
|
|
1492 | |
|
|
1493 | void |
|
|
1494 | max_idle (int nthreads) |
|
|
1495 | PROTOTYPE: $ |
|
|
1496 | CODE: |
|
|
1497 | set_max_idle (nthreads); |
1038 | |
1498 | |
1039 | int |
1499 | int |
1040 | max_outstanding (nreqs) |
1500 | max_outstanding (int maxreqs) |
1041 | int nreqs |
1501 | PROTOTYPE: $ |
1042 | PROTOTYPE: $ |
|
|
1043 | CODE: |
1502 | CODE: |
1044 | RETVAL = max_outstanding; |
1503 | RETVAL = max_outstanding; |
1045 | max_outstanding = nreqs; |
1504 | max_outstanding = maxreqs; |
|
|
1505 | OUTPUT: |
|
|
1506 | RETVAL |
1046 | |
1507 | |
1047 | void |
1508 | void |
1048 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1509 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1049 | SV * pathname |
|
|
1050 | int flags |
|
|
1051 | int mode |
|
|
1052 | SV * callback |
|
|
1053 | PROTOTYPE: $$$;$ |
1510 | PROTOTYPE: $$$;$ |
1054 | PPCODE: |
1511 | PPCODE: |
1055 | { |
1512 | { |
1056 | dREQ; |
1513 | dREQ; |
1057 | |
1514 | |
1058 | req->type = REQ_OPEN; |
1515 | req->type = REQ_OPEN; |
1059 | req->data = newSVsv (pathname); |
1516 | req->sv1 = newSVsv (pathname); |
1060 | req->dataptr = SvPVbyte_nolen (req->data); |
1517 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1061 | req->fd = flags; |
1518 | req->int1 = flags; |
1062 | req->mode = mode; |
1519 | req->mode = mode; |
1063 | |
1520 | |
1064 | REQ_SEND; |
1521 | REQ_SEND; |
1065 | } |
1522 | } |
1066 | |
1523 | |
1067 | void |
1524 | void |
1068 | aio_close (fh,callback=&PL_sv_undef) |
1525 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1069 | SV * fh |
|
|
1070 | SV * callback |
|
|
1071 | PROTOTYPE: $;$ |
1526 | PROTOTYPE: $;$ |
1072 | ALIAS: |
1527 | ALIAS: |
1073 | aio_close = REQ_CLOSE |
|
|
1074 | aio_fsync = REQ_FSYNC |
1528 | aio_fsync = REQ_FSYNC |
1075 | aio_fdatasync = REQ_FDATASYNC |
1529 | aio_fdatasync = REQ_FDATASYNC |
1076 | PPCODE: |
1530 | PPCODE: |
1077 | { |
1531 | { |
1078 | dREQ; |
1532 | dREQ; |
1079 | |
1533 | |
1080 | req->type = ix; |
1534 | req->type = ix; |
1081 | req->fh = newSVsv (fh); |
1535 | req->sv1 = newSVsv (fh); |
1082 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1536 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1083 | |
1537 | |
1084 | REQ_SEND (req); |
1538 | REQ_SEND (req); |
1085 | } |
1539 | } |
1086 | |
1540 | |
|
|
1541 | int |
|
|
1542 | _dup (int fd) |
|
|
1543 | PROTOTYPE: $ |
|
|
1544 | CODE: |
|
|
1545 | RETVAL = dup (fd); |
|
|
1546 | OUTPUT: |
|
|
1547 | RETVAL |
|
|
1548 | |
1087 | void |
1549 | void |
|
|
1550 | _aio_close (int fd, SV *callback=&PL_sv_undef) |
|
|
1551 | PROTOTYPE: $;$ |
|
|
1552 | PPCODE: |
|
|
1553 | { |
|
|
1554 | dREQ; |
|
|
1555 | |
|
|
1556 | req->type = REQ_CLOSE; |
|
|
1557 | req->int1 = fd; |
|
|
1558 | |
|
|
1559 | REQ_SEND (req); |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | void |
1088 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1563 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1089 | SV * fh |
|
|
1090 | UV offset |
|
|
1091 | UV length |
|
|
1092 | SV * data |
|
|
1093 | UV dataoffset |
|
|
1094 | SV * callback |
|
|
1095 | ALIAS: |
1564 | ALIAS: |
1096 | aio_read = REQ_READ |
1565 | aio_read = REQ_READ |
1097 | aio_write = REQ_WRITE |
1566 | aio_write = REQ_WRITE |
1098 | PROTOTYPE: $$$$$;$ |
1567 | PROTOTYPE: $$$$$;$ |
1099 | PPCODE: |
1568 | PPCODE: |
1100 | { |
1569 | { |
1101 | aio_req req; |
|
|
1102 | STRLEN svlen; |
1570 | STRLEN svlen; |
1103 | char *svptr = SvPVbyte (data, svlen); |
1571 | char *svptr = SvPVbyte (data, svlen); |
|
|
1572 | UV len = SvUV (length); |
1104 | |
1573 | |
1105 | SvUPGRADE (data, SVt_PV); |
1574 | SvUPGRADE (data, SVt_PV); |
1106 | SvPOK_on (data); |
1575 | SvPOK_on (data); |
1107 | |
1576 | |
1108 | if (dataoffset < 0) |
1577 | if (dataoffset < 0) |
1109 | dataoffset += svlen; |
1578 | dataoffset += svlen; |
1110 | |
1579 | |
1111 | if (dataoffset < 0 || dataoffset > svlen) |
1580 | if (dataoffset < 0 || dataoffset > svlen) |
1112 | croak ("data offset outside of string"); |
1581 | croak ("dataoffset outside of data scalar"); |
1113 | |
1582 | |
1114 | if (ix == REQ_WRITE) |
1583 | if (ix == REQ_WRITE) |
1115 | { |
1584 | { |
1116 | /* write: check length and adjust. */ |
1585 | /* write: check length and adjust. */ |
1117 | if (length < 0 || length + dataoffset > svlen) |
1586 | if (!SvOK (length) || len + dataoffset > svlen) |
1118 | length = svlen - dataoffset; |
1587 | len = svlen - dataoffset; |
1119 | } |
1588 | } |
1120 | else |
1589 | else |
1121 | { |
1590 | { |
1122 | /* read: grow scalar as necessary */ |
1591 | /* read: grow scalar as necessary */ |
1123 | svptr = SvGROW (data, length + dataoffset); |
1592 | svptr = SvGROW (data, len + dataoffset + 1); |
1124 | } |
1593 | } |
1125 | |
1594 | |
1126 | if (length < 0) |
1595 | if (len < 0) |
1127 | croak ("length must not be negative"); |
1596 | croak ("length must not be negative"); |
1128 | |
1597 | |
1129 | { |
1598 | { |
1130 | dREQ; |
1599 | dREQ; |
1131 | |
1600 | |
1132 | req->type = ix; |
1601 | req->type = ix; |
1133 | req->fh = newSVsv (fh); |
1602 | req->sv1 = newSVsv (fh); |
1134 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1603 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1135 | : IoOFP (sv_2io (fh))); |
1604 | : IoOFP (sv_2io (fh))); |
|
|
1605 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1136 | req->offset = offset; |
1606 | req->size = len; |
1137 | req->length = length; |
|
|
1138 | req->data = SvREFCNT_inc (data); |
1607 | req->sv2 = SvREFCNT_inc (data); |
1139 | req->dataptr = (char *)svptr + dataoffset; |
1608 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1609 | req->stroffset = dataoffset; |
1140 | |
1610 | |
1141 | if (!SvREADONLY (data)) |
1611 | if (!SvREADONLY (data)) |
1142 | { |
1612 | { |
1143 | SvREADONLY_on (data); |
1613 | SvREADONLY_on (data); |
1144 | req->data2ptr = (void *)data; |
1614 | req->flags |= FLAG_SV2_RO_OFF; |
1145 | } |
1615 | } |
1146 | |
1616 | |
1147 | REQ_SEND; |
1617 | REQ_SEND; |
1148 | } |
1618 | } |
1149 | } |
1619 | } |
1150 | |
1620 | |
1151 | void |
1621 | void |
|
|
1622 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1623 | PROTOTYPE: $$;$ |
|
|
1624 | PPCODE: |
|
|
1625 | { |
|
|
1626 | SV *data; |
|
|
1627 | dREQ; |
|
|
1628 | |
|
|
1629 | data = newSV (NAME_MAX); |
|
|
1630 | SvPOK_on (data); |
|
|
1631 | |
|
|
1632 | req->type = REQ_READLINK; |
|
|
1633 | req->sv1 = newSVsv (path); |
|
|
1634 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1635 | req->sv2 = data; |
|
|
1636 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1637 | |
|
|
1638 | REQ_SEND; |
|
|
1639 | } |
|
|
1640 | |
|
|
1641 | void |
1152 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1642 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1153 | SV * out_fh |
|
|
1154 | SV * in_fh |
|
|
1155 | UV in_offset |
|
|
1156 | UV length |
|
|
1157 | SV * callback |
|
|
1158 | PROTOTYPE: $$$$;$ |
1643 | PROTOTYPE: $$$$;$ |
1159 | PPCODE: |
1644 | PPCODE: |
1160 | { |
1645 | { |
1161 | dREQ; |
1646 | dREQ; |
1162 | |
1647 | |
1163 | req->type = REQ_SENDFILE; |
1648 | req->type = REQ_SENDFILE; |
1164 | req->fh = newSVsv (out_fh); |
1649 | req->sv1 = newSVsv (out_fh); |
1165 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1650 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1166 | req->fh2 = newSVsv (in_fh); |
1651 | req->sv2 = newSVsv (in_fh); |
1167 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1652 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1168 | req->offset = in_offset; |
1653 | req->offs = SvVAL64 (in_offset); |
1169 | req->length = length; |
1654 | req->size = length; |
1170 | |
1655 | |
1171 | REQ_SEND; |
1656 | REQ_SEND; |
1172 | } |
1657 | } |
1173 | |
1658 | |
1174 | void |
1659 | void |
1175 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1660 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1176 | SV * fh |
|
|
1177 | UV offset |
|
|
1178 | IV length |
|
|
1179 | SV * callback |
|
|
1180 | PROTOTYPE: $$$;$ |
1661 | PROTOTYPE: $$$;$ |
1181 | PPCODE: |
1662 | PPCODE: |
1182 | { |
1663 | { |
1183 | dREQ; |
1664 | dREQ; |
1184 | |
1665 | |
1185 | req->type = REQ_READAHEAD; |
1666 | req->type = REQ_READAHEAD; |
1186 | req->fh = newSVsv (fh); |
1667 | req->sv1 = newSVsv (fh); |
1187 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1668 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1188 | req->offset = offset; |
1669 | req->offs = SvVAL64 (offset); |
1189 | req->length = length; |
1670 | req->size = length; |
1190 | |
1671 | |
1191 | REQ_SEND; |
1672 | REQ_SEND; |
1192 | } |
1673 | } |
1193 | |
1674 | |
1194 | void |
1675 | void |
1195 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1676 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1196 | SV * fh_or_path |
|
|
1197 | SV * callback |
|
|
1198 | ALIAS: |
1677 | ALIAS: |
1199 | aio_stat = REQ_STAT |
1678 | aio_stat = REQ_STAT |
1200 | aio_lstat = REQ_LSTAT |
1679 | aio_lstat = REQ_LSTAT |
1201 | PPCODE: |
1680 | PPCODE: |
1202 | { |
1681 | { |
1203 | dREQ; |
1682 | dREQ; |
1204 | |
1683 | |
1205 | New (0, req->statdata, 1, Stat_t); |
1684 | req->ptr2 = malloc (sizeof (Stat_t)); |
1206 | if (!req->statdata) |
1685 | if (!req->ptr2) |
1207 | { |
1686 | { |
1208 | req_free (req); |
1687 | req_destroy (req); |
1209 | croak ("out of memory during aio_req->statdata allocation"); |
1688 | croak ("out of memory during aio_stat statdata allocation"); |
1210 | } |
1689 | } |
|
|
1690 | |
|
|
1691 | req->flags |= FLAG_PTR2_FREE; |
|
|
1692 | req->sv1 = newSVsv (fh_or_path); |
1211 | |
1693 | |
1212 | if (SvPOK (fh_or_path)) |
1694 | if (SvPOK (fh_or_path)) |
1213 | { |
1695 | { |
1214 | req->type = ix; |
1696 | req->type = ix; |
1215 | req->data = newSVsv (fh_or_path); |
|
|
1216 | req->dataptr = SvPVbyte_nolen (req->data); |
1697 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1217 | } |
1698 | } |
1218 | else |
1699 | else |
1219 | { |
1700 | { |
1220 | req->type = REQ_FSTAT; |
1701 | req->type = REQ_FSTAT; |
1221 | req->fh = newSVsv (fh_or_path); |
|
|
1222 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1702 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1223 | } |
1703 | } |
1224 | |
1704 | |
1225 | REQ_SEND; |
1705 | REQ_SEND; |
1226 | } |
1706 | } |
1227 | |
1707 | |
1228 | void |
1708 | void |
|
|
1709 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1710 | PPCODE: |
|
|
1711 | { |
|
|
1712 | dREQ; |
|
|
1713 | |
|
|
1714 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1715 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1716 | req->sv1 = newSVsv (fh_or_path); |
|
|
1717 | |
|
|
1718 | if (SvPOK (fh_or_path)) |
|
|
1719 | { |
|
|
1720 | req->type = REQ_UTIME; |
|
|
1721 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1722 | } |
|
|
1723 | else |
|
|
1724 | { |
|
|
1725 | req->type = REQ_FUTIME; |
|
|
1726 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1727 | } |
|
|
1728 | |
|
|
1729 | REQ_SEND; |
|
|
1730 | } |
|
|
1731 | |
|
|
1732 | void |
|
|
1733 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1734 | PPCODE: |
|
|
1735 | { |
|
|
1736 | dREQ; |
|
|
1737 | |
|
|
1738 | req->sv1 = newSVsv (fh_or_path); |
|
|
1739 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1740 | |
|
|
1741 | if (SvPOK (fh_or_path)) |
|
|
1742 | { |
|
|
1743 | req->type = REQ_TRUNCATE; |
|
|
1744 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1745 | } |
|
|
1746 | else |
|
|
1747 | { |
|
|
1748 | req->type = REQ_FTRUNCATE; |
|
|
1749 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1750 | } |
|
|
1751 | |
|
|
1752 | REQ_SEND; |
|
|
1753 | } |
|
|
1754 | |
|
|
1755 | void |
|
|
1756 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1757 | PPCODE: |
|
|
1758 | { |
|
|
1759 | dREQ; |
|
|
1760 | |
|
|
1761 | req->mode = mode; |
|
|
1762 | req->sv1 = newSVsv (fh_or_path); |
|
|
1763 | |
|
|
1764 | if (SvPOK (fh_or_path)) |
|
|
1765 | { |
|
|
1766 | req->type = REQ_CHMOD; |
|
|
1767 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1768 | } |
|
|
1769 | else |
|
|
1770 | { |
|
|
1771 | req->type = REQ_FCHMOD; |
|
|
1772 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1773 | } |
|
|
1774 | |
|
|
1775 | REQ_SEND; |
|
|
1776 | } |
|
|
1777 | |
|
|
1778 | void |
|
|
1779 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1780 | PPCODE: |
|
|
1781 | { |
|
|
1782 | dREQ; |
|
|
1783 | |
|
|
1784 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1785 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1786 | req->sv1 = newSVsv (fh_or_path); |
|
|
1787 | |
|
|
1788 | if (SvPOK (fh_or_path)) |
|
|
1789 | { |
|
|
1790 | req->type = REQ_CHOWN; |
|
|
1791 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1792 | } |
|
|
1793 | else |
|
|
1794 | { |
|
|
1795 | req->type = REQ_FCHOWN; |
|
|
1796 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1797 | } |
|
|
1798 | |
|
|
1799 | REQ_SEND; |
|
|
1800 | } |
|
|
1801 | |
|
|
1802 | void |
1229 | aio_unlink (pathname,callback=&PL_sv_undef) |
1803 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1230 | SV * pathname |
|
|
1231 | SV * callback |
|
|
1232 | ALIAS: |
1804 | ALIAS: |
1233 | aio_unlink = REQ_UNLINK |
1805 | aio_unlink = REQ_UNLINK |
1234 | aio_rmdir = REQ_RMDIR |
1806 | aio_rmdir = REQ_RMDIR |
1235 | aio_readdir = REQ_READDIR |
1807 | aio_readdir = REQ_READDIR |
1236 | PPCODE: |
1808 | PPCODE: |
1237 | { |
1809 | { |
1238 | dREQ; |
1810 | dREQ; |
1239 | |
1811 | |
1240 | req->type = ix; |
1812 | req->type = ix; |
1241 | req->data = newSVsv (pathname); |
1813 | req->sv1 = newSVsv (pathname); |
1242 | req->dataptr = SvPVbyte_nolen (req->data); |
1814 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1815 | |
|
|
1816 | REQ_SEND; |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | void |
|
|
1820 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1821 | PPCODE: |
|
|
1822 | { |
|
|
1823 | dREQ; |
1243 | |
1824 | |
|
|
1825 | req->type = REQ_MKDIR; |
|
|
1826 | req->sv1 = newSVsv (pathname); |
|
|
1827 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1828 | req->mode = mode; |
|
|
1829 | |
1244 | REQ_SEND; |
1830 | REQ_SEND; |
1245 | } |
1831 | } |
1246 | |
1832 | |
1247 | void |
1833 | void |
1248 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1834 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1249 | SV * oldpath |
|
|
1250 | SV * newpath |
|
|
1251 | SV * callback |
|
|
1252 | ALIAS: |
1835 | ALIAS: |
1253 | aio_link = REQ_LINK |
1836 | aio_link = REQ_LINK |
1254 | aio_symlink = REQ_SYMLINK |
1837 | aio_symlink = REQ_SYMLINK |
1255 | aio_rename = REQ_RENAME |
1838 | aio_rename = REQ_RENAME |
1256 | PPCODE: |
1839 | PPCODE: |
1257 | { |
1840 | { |
1258 | dREQ; |
1841 | dREQ; |
1259 | |
1842 | |
1260 | req->type = ix; |
1843 | req->type = ix; |
1261 | req->fh = newSVsv (oldpath); |
1844 | req->sv2 = newSVsv (oldpath); |
1262 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1845 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1263 | req->data = newSVsv (newpath); |
1846 | req->sv1 = newSVsv (newpath); |
1264 | req->dataptr = SvPVbyte_nolen (req->data); |
1847 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1265 | |
1848 | |
1266 | REQ_SEND; |
1849 | REQ_SEND; |
1267 | } |
1850 | } |
1268 | |
1851 | |
1269 | void |
1852 | void |
1270 | aio_busy (delay,callback=&PL_sv_undef) |
1853 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1271 | double delay |
|
|
1272 | SV * callback |
|
|
1273 | PPCODE: |
1854 | PPCODE: |
1274 | { |
1855 | { |
1275 | dREQ; |
1856 | dREQ; |
|
|
1857 | |
|
|
1858 | req->type = REQ_MKNOD; |
|
|
1859 | req->sv1 = newSVsv (pathname); |
|
|
1860 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1861 | req->mode = (mode_t)mode; |
|
|
1862 | req->offs = dev; |
|
|
1863 | |
|
|
1864 | REQ_SEND; |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | void |
|
|
1868 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1869 | PPCODE: |
|
|
1870 | { |
|
|
1871 | dREQ; |
1276 | |
1872 | |
1277 | req->type = REQ_BUSY; |
1873 | req->type = REQ_BUSY; |
1278 | req->fd = delay < 0. ? 0 : delay; |
1874 | req->nv1 = delay < 0. ? 0. : delay; |
1279 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1280 | |
1875 | |
1281 | REQ_SEND; |
1876 | REQ_SEND; |
1282 | } |
1877 | } |
1283 | |
1878 | |
1284 | void |
1879 | void |
1285 | aio_group (callback=&PL_sv_undef) |
1880 | aio_group (SV *callback=&PL_sv_undef) |
1286 | SV * callback |
|
|
1287 | PROTOTYPE: ;$ |
1881 | PROTOTYPE: ;$ |
1288 | PPCODE: |
1882 | PPCODE: |
1289 | { |
1883 | { |
1290 | dREQ; |
1884 | dREQ; |
1291 | |
1885 | |
1292 | req->type = REQ_GROUP; |
1886 | req->type = REQ_GROUP; |
|
|
1887 | |
1293 | req_send (req); |
1888 | req_send (req); |
1294 | |
|
|
1295 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1889 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1296 | } |
1890 | } |
1297 | |
1891 | |
1298 | void |
1892 | void |
1299 | aio_nop (callback=&PL_sv_undef) |
1893 | aio_nop (SV *callback=&PL_sv_undef) |
1300 | SV * callback |
1894 | ALIAS: |
|
|
1895 | aio_nop = REQ_NOP |
|
|
1896 | aio_sync = REQ_SYNC |
1301 | PPCODE: |
1897 | PPCODE: |
1302 | { |
1898 | { |
1303 | dREQ; |
1899 | dREQ; |
1304 | |
1900 | |
1305 | req->type = REQ_NOP; |
1901 | req->type = ix; |
1306 | |
1902 | |
1307 | REQ_SEND; |
1903 | REQ_SEND; |
1308 | } |
1904 | } |
1309 | |
1905 | |
1310 | void |
1906 | int |
1311 | aioreq_pri (int pri = DEFAULT_PRI) |
1907 | aioreq_pri (int pri = 0) |
1312 | CODE: |
1908 | PROTOTYPE: ;$ |
|
|
1909 | CODE: |
|
|
1910 | RETVAL = next_pri - PRI_BIAS; |
|
|
1911 | if (items > 0) |
|
|
1912 | { |
1313 | if (pri < PRI_MIN) pri = PRI_MIN; |
1913 | if (pri < PRI_MIN) pri = PRI_MIN; |
1314 | if (pri > PRI_MAX) pri = PRI_MAX; |
1914 | if (pri > PRI_MAX) pri = PRI_MAX; |
1315 | next_pri = pri + PRI_BIAS; |
1915 | next_pri = pri + PRI_BIAS; |
|
|
1916 | } |
|
|
1917 | OUTPUT: |
|
|
1918 | RETVAL |
1316 | |
1919 | |
1317 | void |
1920 | void |
1318 | aioreq_nice (int nice = 0) |
1921 | aioreq_nice (int nice = 0) |
1319 | CODE: |
1922 | CODE: |
1320 | nice = next_pri - nice; |
1923 | nice = next_pri - nice; |
1321 | if (nice < PRI_MIN) nice = PRI_MIN; |
1924 | if (nice < PRI_MIN) nice = PRI_MIN; |
1322 | if (nice > PRI_MAX) nice = PRI_MAX; |
1925 | if (nice > PRI_MAX) nice = PRI_MAX; |
1323 | next_pri = nice + PRI_BIAS; |
1926 | next_pri = nice + PRI_BIAS; |
1324 | |
1927 | |
1325 | void |
1928 | void |
1326 | flush () |
1929 | flush () |
1327 | PROTOTYPE: |
1930 | PROTOTYPE: |
1328 | CODE: |
1931 | CODE: |
… | |
… | |
1330 | { |
1933 | { |
1331 | poll_wait (); |
1934 | poll_wait (); |
1332 | poll_cb (); |
1935 | poll_cb (); |
1333 | } |
1936 | } |
1334 | |
1937 | |
1335 | void |
1938 | int |
1336 | poll() |
1939 | poll() |
1337 | PROTOTYPE: |
1940 | PROTOTYPE: |
1338 | CODE: |
1941 | CODE: |
1339 | if (nreqs) |
|
|
1340 | { |
|
|
1341 | poll_wait (); |
1942 | poll_wait (); |
1342 | poll_cb (); |
1943 | RETVAL = poll_cb (); |
1343 | } |
1944 | OUTPUT: |
|
|
1945 | RETVAL |
1344 | |
1946 | |
1345 | int |
1947 | int |
1346 | poll_fileno() |
1948 | poll_fileno() |
1347 | PROTOTYPE: |
1949 | PROTOTYPE: |
1348 | CODE: |
1950 | CODE: |
… | |
… | |
1360 | |
1962 | |
1361 | void |
1963 | void |
1362 | poll_wait() |
1964 | poll_wait() |
1363 | PROTOTYPE: |
1965 | PROTOTYPE: |
1364 | CODE: |
1966 | CODE: |
1365 | if (nreqs) |
|
|
1366 | poll_wait (); |
1967 | poll_wait (); |
|
|
1968 | |
|
|
1969 | void |
|
|
1970 | setsig (int signum = SIGIO) |
|
|
1971 | PROTOTYPE: ;$ |
|
|
1972 | CODE: |
|
|
1973 | { |
|
|
1974 | if (block_sig_level) |
|
|
1975 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1976 | |
|
|
1977 | X_LOCK (reslock); |
|
|
1978 | main_tid = pthread_self (); |
|
|
1979 | main_sig = signum; |
|
|
1980 | X_UNLOCK (reslock); |
|
|
1981 | |
|
|
1982 | if (main_sig && npending) |
|
|
1983 | pthread_kill (main_tid, main_sig); |
|
|
1984 | } |
|
|
1985 | |
|
|
1986 | void |
|
|
1987 | aio_block (SV *cb) |
|
|
1988 | PROTOTYPE: & |
|
|
1989 | PPCODE: |
|
|
1990 | { |
|
|
1991 | int count; |
|
|
1992 | |
|
|
1993 | block_sig (); |
|
|
1994 | PUSHMARK (SP); |
|
|
1995 | PUTBACK; |
|
|
1996 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1997 | unblock_sig (); |
|
|
1998 | |
|
|
1999 | if (SvTRUE (ERRSV)) |
|
|
2000 | croak (0); |
|
|
2001 | |
|
|
2002 | XSRETURN (count); |
|
|
2003 | } |
1367 | |
2004 | |
1368 | int |
2005 | int |
1369 | nreqs() |
2006 | nreqs() |
1370 | PROTOTYPE: |
2007 | PROTOTYPE: |
1371 | CODE: |
2008 | CODE: |
1372 | RETVAL = nreqs; |
2009 | RETVAL = nreqs; |
1373 | OUTPUT: |
2010 | OUTPUT: |
1374 | RETVAL |
2011 | RETVAL |
1375 | |
2012 | |
|
|
2013 | int |
|
|
2014 | nready() |
|
|
2015 | PROTOTYPE: |
|
|
2016 | CODE: |
|
|
2017 | RETVAL = get_nready (); |
|
|
2018 | OUTPUT: |
|
|
2019 | RETVAL |
|
|
2020 | |
|
|
2021 | int |
|
|
2022 | npending() |
|
|
2023 | PROTOTYPE: |
|
|
2024 | CODE: |
|
|
2025 | RETVAL = get_npending (); |
|
|
2026 | OUTPUT: |
|
|
2027 | RETVAL |
|
|
2028 | |
|
|
2029 | int |
|
|
2030 | nthreads() |
|
|
2031 | PROTOTYPE: |
|
|
2032 | CODE: |
|
|
2033 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
|
|
2034 | RETVAL = started; |
|
|
2035 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
2036 | OUTPUT: |
|
|
2037 | RETVAL |
|
|
2038 | |
1376 | PROTOTYPES: DISABLE |
2039 | PROTOTYPES: DISABLE |
1377 | |
2040 | |
1378 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2041 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1379 | |
2042 | |
1380 | void |
2043 | void |
… | |
… | |
1395 | PPCODE: |
2058 | PPCODE: |
1396 | { |
2059 | { |
1397 | int i; |
2060 | int i; |
1398 | aio_req req; |
2061 | aio_req req; |
1399 | |
2062 | |
|
|
2063 | if (main_sig && !block_sig_level) |
|
|
2064 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2065 | |
1400 | if (grp->fd == 2) |
2066 | if (grp->int1 == 2) |
1401 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2067 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1402 | |
2068 | |
1403 | for (i = 1; i < items; ++i ) |
2069 | for (i = 1; i < items; ++i ) |
1404 | { |
2070 | { |
1405 | if (GIMME_V != G_VOID) |
2071 | if (GIMME_V != G_VOID) |
… | |
… | |
1407 | |
2073 | |
1408 | req = SvAIO_REQ (ST (i)); |
2074 | req = SvAIO_REQ (ST (i)); |
1409 | |
2075 | |
1410 | if (req) |
2076 | if (req) |
1411 | { |
2077 | { |
1412 | ++grp->length; |
2078 | ++grp->size; |
1413 | req->grp = grp; |
2079 | req->grp = grp; |
1414 | |
2080 | |
1415 | req->grp_prev = 0; |
2081 | req->grp_prev = 0; |
1416 | req->grp_next = grp->grp_first; |
2082 | req->grp_next = grp->grp_first; |
1417 | |
2083 | |
… | |
… | |
1422 | } |
2088 | } |
1423 | } |
2089 | } |
1424 | } |
2090 | } |
1425 | |
2091 | |
1426 | void |
2092 | void |
|
|
2093 | cancel_subs (aio_req_ornot req) |
|
|
2094 | CODE: |
|
|
2095 | req_cancel_subs (req); |
|
|
2096 | |
|
|
2097 | void |
1427 | result (aio_req grp, ...) |
2098 | result (aio_req grp, ...) |
1428 | CODE: |
2099 | CODE: |
1429 | { |
2100 | { |
1430 | int i; |
2101 | int i; |
|
|
2102 | AV *av; |
|
|
2103 | |
|
|
2104 | grp->errorno = errno; |
|
|
2105 | |
1431 | AV *av = newAV (); |
2106 | av = newAV (); |
1432 | |
2107 | |
1433 | for (i = 1; i < items; ++i ) |
2108 | for (i = 1; i < items; ++i ) |
1434 | av_push (av, newSVsv (ST (i))); |
2109 | av_push (av, newSVsv (ST (i))); |
1435 | |
2110 | |
1436 | SvREFCNT_dec (grp->data); |
2111 | SvREFCNT_dec (grp->sv1); |
1437 | grp->data = (SV *)av; |
2112 | grp->sv1 = (SV *)av; |
1438 | } |
2113 | } |
|
|
2114 | |
|
|
2115 | void |
|
|
2116 | errno (aio_req grp, int errorno = errno) |
|
|
2117 | CODE: |
|
|
2118 | grp->errorno = errorno; |
1439 | |
2119 | |
1440 | void |
2120 | void |
1441 | limit (aio_req grp, int limit) |
2121 | limit (aio_req grp, int limit) |
1442 | CODE: |
2122 | CODE: |
1443 | grp->fd2 = limit; |
2123 | grp->int2 = limit; |
1444 | aio_grp_feed (grp); |
2124 | aio_grp_feed (grp); |
1445 | |
2125 | |
1446 | void |
2126 | void |
1447 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2127 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1448 | CODE: |
2128 | CODE: |
1449 | { |
2129 | { |
1450 | SvREFCNT_dec (grp->fh2); |
2130 | SvREFCNT_dec (grp->sv2); |
1451 | grp->fh2 = newSVsv (callback); |
2131 | grp->sv2 = newSVsv (callback); |
1452 | |
2132 | |
1453 | if (grp->fd2 <= 0) |
2133 | if (grp->int2 <= 0) |
1454 | grp->fd2 = 2; |
2134 | grp->int2 = 2; |
1455 | |
2135 | |
1456 | aio_grp_feed (grp); |
2136 | aio_grp_feed (grp); |
1457 | } |
2137 | } |
1458 | |
2138 | |