1 | #define _REENTRANT 1 |
1 | #include "xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
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9 | |
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10 | #include <pthread.h> |
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11 | |
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12 | #include <stddef.h> |
9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
13 | #include <errno.h> |
11 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
12 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
18 | #include <limits.h> |
14 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
15 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #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 |
23 | |
68 | |
24 | #if HAVE_SENDFILE |
69 | #if HAVE_SENDFILE |
25 | # if __linux |
70 | # if __linux |
26 | # include <sys/sendfile.h> |
71 | # include <sys/sendfile.h> |
27 | # elif __freebsd |
72 | # elif __freebsd |
… | |
… | |
34 | # else |
79 | # else |
35 | # error sendfile support requested but not available |
80 | # error sendfile support requested but not available |
36 | # endif |
81 | # endif |
37 | #endif |
82 | #endif |
38 | |
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 | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
87 | /* used for struct dirent, AIX doesn't provide it */ |
40 | #ifndef NAME_MAX |
88 | #ifndef NAME_MAX |
41 | # define NAME_MAX 4096 |
89 | # define NAME_MAX 4096 |
42 | #endif |
90 | #endif |
43 | |
91 | |
44 | #if __ia64 |
92 | /* buffer size for various temporary buffers */ |
45 | # define STACKSIZE 65536 |
93 | #define AIO_BUFSIZE 65536 |
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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 |
46 | #else |
98 | #else |
47 | # define STACKSIZE 8192 |
99 | # define SvVAL64 SvNV |
48 | #endif |
100 | #endif |
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101 | |
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102 | static HV *stash; |
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103 | |
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104 | #define dBUF \ |
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105 | char *aio_buf; \ |
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106 | X_LOCK (wrklock); \ |
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107 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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108 | X_UNLOCK (wrklock); \ |
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109 | if (!aio_buf) \ |
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110 | return -1; |
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111 | |
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112 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
49 | |
113 | |
50 | enum { |
114 | enum { |
51 | REQ_QUIT, |
115 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
116 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
117 | REQ_READ, REQ_WRITE, |
54 | REQ_SENDFILE, |
118 | REQ_READAHEAD, REQ_SENDFILE, |
55 | 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, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
124 | REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
125 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
58 | REQ_READDIR, |
126 | REQ_MKNOD, REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
127 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
60 | REQ_SLEEP, |
128 | REQ_GROUP, REQ_NOP, |
61 | REQ_GROUP, |
129 | REQ_BUSY, |
62 | }; |
130 | }; |
63 | |
131 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
132 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
133 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
134 | |
67 | typedef struct aio_cb |
135 | typedef struct aio_cb |
68 | { |
136 | { |
69 | struct aio_cb *grp, *grp_prev, *grp_next; |
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70 | |
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71 | struct aio_cb *volatile next; |
137 | struct aio_cb *volatile next; |
72 | |
138 | |
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139 | SV *callback; |
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140 | SV *sv1, *sv2; |
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141 | void *ptr1, *ptr2; |
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142 | off_t offs; |
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143 | size_t size; |
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144 | ssize_t result; |
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145 | double nv1, nv2; |
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146 | |
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147 | STRLEN stroffset; |
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148 | int type; |
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149 | int int1, int2, int3; |
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150 | int errorno; |
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151 | mode_t mode; /* open */ |
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152 | |
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153 | unsigned char flags; |
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154 | unsigned char pri; |
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155 | |
73 | SV *self; /* the perl counterpart of this request, if any */ |
156 | SV *self; /* the perl counterpart of this request, if any */ |
74 | |
157 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
75 | SV *data, *callback; |
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76 | SV *fh, *fh2; |
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77 | void *dataptr, *data2ptr; |
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78 | Stat_t *statdata; |
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79 | off_t offset; |
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80 | size_t length; |
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81 | ssize_t result; |
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82 | |
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83 | int type; |
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84 | int fd, fd2; |
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85 | int errorno; |
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86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
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88 | unsigned char cancelled; |
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89 | } aio_cb; |
158 | } aio_cb; |
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159 | |
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160 | enum { |
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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) */ |
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164 | }; |
90 | |
165 | |
91 | typedef aio_cb *aio_req; |
166 | typedef aio_cb *aio_req; |
92 | typedef aio_cb *aio_req_ornot; |
167 | typedef aio_cb *aio_req_ornot; |
93 | |
168 | |
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169 | enum { |
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170 | PRI_MIN = -4, |
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171 | PRI_MAX = 4, |
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172 | |
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173 | DEFAULT_PRI = 0, |
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174 | PRI_BIAS = -PRI_MIN, |
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175 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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176 | }; |
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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 | |
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224 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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225 | |
94 | static int started, wanted; |
226 | static unsigned int started, idle, wanted; |
95 | static volatile int nreqs; |
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96 | static int max_outstanding = 1<<30; |
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97 | static int respipe [2]; |
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98 | |
227 | |
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228 | /* worker threads management */ |
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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 | |
99 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
273 | static mutex_t reslock = X_MUTEX_INIT; |
100 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
274 | static mutex_t reqlock = X_MUTEX_INIT; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
275 | static cond_t reqwait = X_COND_INIT; |
102 | |
276 | |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
277 | #if WORDACCESS_UNSAFE |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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105 | |
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 | |
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312 | #else |
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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 | |
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318 | #endif |
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319 | |
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320 | /* |
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321 | * a somewhat faster data structure might be nice, but |
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322 | * with 8 priorities this actually needs <20 insns |
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323 | * per shift, the most expensive operation. |
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324 | */ |
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325 | typedef struct { |
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326 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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327 | int size; |
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328 | } reqq; |
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329 | |
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330 | static reqq req_queue; |
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331 | static reqq res_queue; |
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332 | |
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333 | int reqq_push (reqq *q, aio_req req) |
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334 | { |
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335 | int pri = req->pri; |
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336 | req->next = 0; |
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337 | |
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338 | if (q->qe[pri]) |
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339 | { |
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340 | q->qe[pri]->next = req; |
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341 | q->qe[pri] = req; |
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342 | } |
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343 | else |
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344 | q->qe[pri] = q->qs[pri] = req; |
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345 | |
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346 | return q->size++; |
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347 | } |
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348 | |
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349 | aio_req reqq_shift (reqq *q) |
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350 | { |
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351 | int pri; |
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352 | |
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353 | if (!q->size) |
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354 | return 0; |
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355 | |
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356 | --q->size; |
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357 | |
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358 | for (pri = NUM_PRI; pri--; ) |
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359 | { |
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360 | aio_req req = q->qs[pri]; |
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361 | |
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362 | if (req) |
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363 | { |
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364 | if (!(q->qs[pri] = req->next)) |
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365 | q->qe[pri] = 0; |
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366 | |
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367 | return req; |
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368 | } |
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369 | } |
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370 | |
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371 | abort (); |
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372 | } |
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373 | |
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374 | static int poll_cb (void); |
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375 | static int req_invoke (aio_req req); |
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376 | static void req_destroy (aio_req req); |
106 | static void req_free (aio_req req); |
377 | static void req_cancel (aio_req req); |
107 | |
378 | |
108 | /* must be called at most once */ |
379 | /* must be called at most once */ |
109 | static SV *req_sv (aio_req req, const char *klass) |
380 | static SV *req_sv (aio_req req, const char *klass) |
110 | { |
381 | { |
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382 | if (!req->self) |
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383 | { |
111 | req->self = (SV *)newHV (); |
384 | req->self = (SV *)newHV (); |
112 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
385 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
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386 | } |
113 | |
387 | |
114 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
388 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
115 | } |
389 | } |
116 | |
390 | |
117 | static aio_req SvAIO_REQ (SV *sv) |
391 | static aio_req SvAIO_REQ (SV *sv) |
118 | { |
392 | { |
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393 | MAGIC *mg; |
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394 | |
119 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
395 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
120 | croak ("object of class " AIO_REQ_KLASS " expected"); |
396 | croak ("object of class " AIO_REQ_KLASS " expected"); |
121 | |
397 | |
122 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
398 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
123 | |
399 | |
124 | return mg ? (aio_req)mg->mg_ptr : 0; |
400 | return mg ? (aio_req)mg->mg_ptr : 0; |
125 | } |
401 | } |
126 | |
402 | |
127 | static void poll_wait () |
403 | static void aio_grp_feed (aio_req grp) |
128 | { |
404 | { |
129 | if (nreqs && !ress) |
405 | block_sig (); |
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406 | |
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407 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
130 | { |
408 | { |
131 | fd_set rfd; |
409 | int old_len = grp->size; |
132 | FD_ZERO(&rfd); |
|
|
133 | FD_SET(respipe [0], &rfd); |
|
|
134 | |
410 | |
135 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
411 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
412 | { |
|
|
413 | dSP; |
|
|
414 | |
|
|
415 | ENTER; |
|
|
416 | SAVETMPS; |
|
|
417 | PUSHMARK (SP); |
|
|
418 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
419 | PUTBACK; |
|
|
420 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
421 | SPAGAIN; |
|
|
422 | FREETMPS; |
|
|
423 | LEAVE; |
|
|
424 | } |
|
|
425 | |
|
|
426 | /* stop if no progress has been made */ |
|
|
427 | if (old_len == grp->size) |
|
|
428 | { |
|
|
429 | SvREFCNT_dec (grp->sv2); |
|
|
430 | grp->sv2 = 0; |
|
|
431 | break; |
|
|
432 | } |
136 | } |
433 | } |
137 | } |
|
|
138 | |
434 | |
|
|
435 | unblock_sig (); |
|
|
436 | } |
|
|
437 | |
|
|
438 | static void aio_grp_dec (aio_req grp) |
|
|
439 | { |
|
|
440 | --grp->size; |
|
|
441 | |
|
|
442 | /* call feeder, if applicable */ |
|
|
443 | aio_grp_feed (grp); |
|
|
444 | |
|
|
445 | /* finish, if done */ |
|
|
446 | if (!grp->size && grp->int1) |
|
|
447 | { |
|
|
448 | block_sig (); |
|
|
449 | |
|
|
450 | if (!req_invoke (grp)) |
|
|
451 | { |
|
|
452 | req_destroy (grp); |
|
|
453 | unblock_sig (); |
|
|
454 | croak (0); |
|
|
455 | } |
|
|
456 | |
|
|
457 | req_destroy (grp); |
|
|
458 | unblock_sig (); |
|
|
459 | } |
|
|
460 | } |
|
|
461 | |
139 | static void req_invoke (aio_req req) |
462 | static int req_invoke (aio_req req) |
140 | { |
463 | { |
141 | dSP; |
464 | dSP; |
142 | int errorno = errno; |
|
|
143 | |
465 | |
144 | if (req->cancelled || !SvOK (req->callback)) |
466 | if (req->flags & FLAG_SV2_RO_OFF) |
145 | return; |
467 | SvREADONLY_off (req->sv2); |
146 | |
468 | |
147 | errno = req->errorno; |
469 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
148 | |
|
|
149 | ENTER; |
|
|
150 | PUSHMARK (SP); |
|
|
151 | |
|
|
152 | switch (req->type) |
|
|
153 | { |
470 | { |
154 | case REQ_READDIR: |
471 | ENTER; |
|
|
472 | SAVETMPS; |
|
|
473 | PUSHMARK (SP); |
|
|
474 | EXTEND (SP, 1); |
|
|
475 | |
|
|
476 | switch (req->type) |
155 | { |
477 | { |
156 | SV *rv = &PL_sv_undef; |
478 | case REQ_READDIR: |
157 | |
|
|
158 | if (req->result >= 0) |
|
|
159 | { |
479 | { |
160 | char *buf = req->data2ptr; |
480 | SV *rv = &PL_sv_undef; |
161 | AV *av = newAV (); |
|
|
162 | |
481 | |
163 | while (req->result) |
482 | if (req->result >= 0) |
164 | { |
483 | { |
|
|
484 | int i; |
|
|
485 | char *buf = req->ptr2; |
|
|
486 | AV *av = newAV (); |
|
|
487 | |
|
|
488 | av_extend (av, req->result - 1); |
|
|
489 | |
|
|
490 | for (i = 0; i < req->result; ++i) |
|
|
491 | { |
165 | SV *sv = newSVpv (buf, 0); |
492 | SV *sv = newSVpv (buf, 0); |
166 | |
493 | |
167 | av_push (av, sv); |
494 | av_store (av, i, sv); |
168 | buf += SvCUR (sv) + 1; |
495 | buf += SvCUR (sv) + 1; |
169 | req->result--; |
496 | } |
|
|
497 | |
|
|
498 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
170 | } |
499 | } |
171 | |
500 | |
172 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
501 | PUSHs (rv); |
173 | } |
502 | } |
|
|
503 | break; |
174 | |
504 | |
|
|
505 | case REQ_OPEN: |
|
|
506 | { |
|
|
507 | /* convert fd to fh */ |
|
|
508 | SV *fh = &PL_sv_undef; |
|
|
509 | |
|
|
510 | if (req->result >= 0) |
|
|
511 | { |
|
|
512 | GV *gv = (GV *)sv_newmortal (); |
|
|
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); |
|
|
519 | |
|
|
520 | symlen = snprintf ( |
|
|
521 | sym, |
|
|
522 | sizeof (sym), |
|
|
523 | "%s&=%d", |
|
|
524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
525 | req->result |
|
|
526 | ); |
|
|
527 | |
|
|
528 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
529 | fh = (SV *)gv; |
|
|
530 | } |
|
|
531 | |
175 | XPUSHs (rv); |
532 | PUSHs (fh); |
|
|
533 | } |
|
|
534 | break; |
|
|
535 | |
|
|
536 | case REQ_GROUP: |
|
|
537 | req->int1 = 2; /* mark group as finished */ |
|
|
538 | |
|
|
539 | if (req->sv1) |
|
|
540 | { |
|
|
541 | int i; |
|
|
542 | AV *av = (AV *)req->sv1; |
|
|
543 | |
|
|
544 | EXTEND (SP, AvFILL (av) + 1); |
|
|
545 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
546 | PUSHs (*av_fetch (av, i, 0)); |
|
|
547 | } |
|
|
548 | break; |
|
|
549 | |
|
|
550 | case REQ_NOP: |
|
|
551 | case REQ_BUSY: |
|
|
552 | break; |
|
|
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 | |
|
|
578 | default: |
|
|
579 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
580 | break; |
176 | } |
581 | } |
177 | break; |
|
|
178 | |
582 | |
179 | case REQ_OPEN: |
583 | errno = req->errorno; |
180 | { |
|
|
181 | /* convert fd to fh */ |
|
|
182 | SV *fh; |
|
|
183 | |
584 | |
184 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
185 | PUTBACK; |
585 | PUTBACK; |
186 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
586 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
187 | SPAGAIN; |
587 | SPAGAIN; |
188 | |
588 | |
189 | fh = SvREFCNT_inc (POPs); |
589 | FREETMPS; |
|
|
590 | LEAVE; |
190 | |
591 | |
191 | PUSHMARK (SP); |
592 | PUTBACK; |
192 | XPUSHs (sv_2mortal (fh)); |
|
|
193 | } |
|
|
194 | break; |
|
|
195 | |
|
|
196 | case REQ_SLEEP: |
|
|
197 | case REQ_GROUP: |
|
|
198 | break; |
|
|
199 | |
|
|
200 | default: |
|
|
201 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
202 | break; |
|
|
203 | } |
593 | } |
204 | |
594 | |
205 | |
|
|
206 | PUTBACK; |
|
|
207 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
208 | SPAGAIN; |
|
|
209 | |
|
|
210 | if (SvTRUE (ERRSV)) |
|
|
211 | { |
|
|
212 | req_free (req); |
|
|
213 | croak (0); |
|
|
214 | } |
|
|
215 | |
|
|
216 | LEAVE; |
|
|
217 | |
|
|
218 | errno = errorno; |
|
|
219 | } |
|
|
220 | |
|
|
221 | static void req_free (aio_req req) |
|
|
222 | { |
|
|
223 | if (req->grp) |
595 | if (req->grp) |
224 | { |
596 | { |
225 | aio_req grp = req->grp; |
597 | aio_req grp = req->grp; |
226 | |
598 | |
227 | /* unlink request */ |
599 | /* unlink request */ |
228 | req->grp_next->grp_prev = req->grp_prev; |
600 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
229 | req->grp_prev->grp_next = req->grp_next; |
601 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
230 | |
602 | |
231 | if (grp->grp_next == grp && grp->fd) |
603 | if (grp->grp_first == req) |
232 | { |
604 | grp->grp_first = req->grp_next; |
233 | req_invoke (grp); |
605 | |
234 | req_free (grp); |
606 | aio_grp_dec (grp); |
235 | } |
|
|
236 | } |
607 | } |
237 | |
608 | |
|
|
609 | return !SvTRUE (ERRSV); |
|
|
610 | } |
|
|
611 | |
|
|
612 | static void req_destroy (aio_req req) |
|
|
613 | { |
238 | if (req->self) |
614 | if (req->self) |
239 | { |
615 | { |
240 | sv_unmagic (req->self, PERL_MAGIC_ext); |
616 | sv_unmagic (req->self, PERL_MAGIC_ext); |
241 | SvREFCNT_dec (req->self); |
617 | SvREFCNT_dec (req->self); |
242 | } |
618 | } |
243 | |
619 | |
244 | if (req->data) |
|
|
245 | SvREFCNT_dec (req->data); |
|
|
246 | |
|
|
247 | if (req->fh) |
|
|
248 | SvREFCNT_dec (req->fh); |
620 | SvREFCNT_dec (req->sv1); |
249 | |
|
|
250 | if (req->fh2) |
|
|
251 | SvREFCNT_dec (req->fh2); |
621 | SvREFCNT_dec (req->sv2); |
252 | |
|
|
253 | if (req->statdata) |
|
|
254 | Safefree (req->statdata); |
|
|
255 | |
|
|
256 | if (req->callback) |
|
|
257 | SvREFCNT_dec (req->callback); |
622 | SvREFCNT_dec (req->callback); |
258 | |
623 | |
259 | if (req->type == REQ_READDIR && req->result >= 0) |
624 | if (req->flags & FLAG_PTR2_FREE) |
260 | free (req->data2ptr); |
625 | free (req->ptr2); |
261 | |
626 | |
262 | Safefree (req); |
627 | Safefree (req); |
263 | } |
628 | } |
264 | |
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 | |
265 | static void req_cancel (aio_req req) |
644 | static void req_cancel (aio_req req) |
266 | { |
645 | { |
267 | req->cancelled = 1; |
646 | req->flags |= FLAG_CANCELLED; |
268 | |
647 | |
269 | 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) |
270 | { |
673 | { |
271 | aio_req sub; |
674 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
675 | croak ("unable to initialize result pipe(2)"); |
272 | |
676 | |
273 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
677 | respipe_close (respipe [0]); |
274 | req_cancel (sub); |
678 | respipe [0] = old_readfd; |
275 | } |
679 | } |
276 | } |
|
|
277 | |
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 | |
278 | static int poll_cb () |
813 | static int poll_cb (void) |
279 | { |
814 | { |
280 | dSP; |
815 | dSP; |
281 | int count = 0; |
816 | int count = 0; |
|
|
817 | int maxreqs = max_poll_reqs; |
282 | int do_croak = 0; |
818 | int do_croak = 0; |
|
|
819 | struct timeval tv_start, tv_now; |
283 | aio_req req; |
820 | aio_req req; |
|
|
821 | |
|
|
822 | if (max_poll_time) |
|
|
823 | gettimeofday (&tv_start, 0); |
|
|
824 | |
|
|
825 | block_sig (); |
284 | |
826 | |
285 | for (;;) |
827 | for (;;) |
286 | { |
828 | { |
287 | pthread_mutex_lock (&reslock); |
829 | for (;;) |
288 | req = ress; |
|
|
289 | |
|
|
290 | if (req) |
|
|
291 | { |
830 | { |
292 | ress = req->next; |
831 | maybe_start_thread (); |
293 | |
832 | |
|
|
833 | X_LOCK (reslock); |
|
|
834 | req = reqq_shift (&res_queue); |
|
|
835 | |
294 | if (!ress) |
836 | if (req) |
295 | { |
837 | { |
|
|
838 | --npending; |
|
|
839 | |
|
|
840 | if (!res_queue.size) |
|
|
841 | { |
296 | /* read any signals sent by the worker threads */ |
842 | /* read any signals sent by the worker threads */ |
297 | char buf [32]; |
843 | char buf [4]; |
298 | while (read (respipe [0], buf, 32) == 32) |
844 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
845 | ; |
299 | ; |
846 | } |
|
|
847 | } |
300 | |
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) |
301 | rese = 0; |
883 | break; |
302 | } |
884 | } |
303 | } |
885 | } |
304 | |
886 | |
305 | pthread_mutex_unlock (&reslock); |
887 | if (nreqs <= max_outstanding) |
306 | |
|
|
307 | if (!req) |
|
|
308 | break; |
888 | break; |
309 | |
889 | |
310 | nreqs--; |
890 | poll_wait (); |
311 | |
891 | |
312 | if (req->type == REQ_QUIT) |
892 | ++maxreqs; |
313 | started--; |
|
|
314 | else if (req->type == REQ_GROUP && req->grp_next != req) |
|
|
315 | { |
|
|
316 | req->fd = 1; /* mark request as delayed */ |
|
|
317 | continue; |
|
|
318 | } |
|
|
319 | else |
|
|
320 | { |
|
|
321 | if (req->type == REQ_READ) |
|
|
322 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
323 | |
|
|
324 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
325 | SvREADONLY_off (req->data); |
|
|
326 | |
|
|
327 | if (req->statdata) |
|
|
328 | { |
|
|
329 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
330 | PL_laststatval = req->result; |
|
|
331 | PL_statcache = *(req->statdata); |
|
|
332 | } |
|
|
333 | |
|
|
334 | req_invoke (req); |
|
|
335 | |
|
|
336 | count++; |
|
|
337 | } |
|
|
338 | |
|
|
339 | req_free (req); |
|
|
340 | } |
893 | } |
341 | |
894 | |
|
|
895 | unblock_sig (); |
342 | return count; |
896 | return count; |
343 | } |
|
|
344 | |
|
|
345 | static void *aio_proc(void *arg); |
|
|
346 | |
|
|
347 | static void start_thread (void) |
|
|
348 | { |
|
|
349 | sigset_t fullsigset, oldsigset; |
|
|
350 | pthread_t tid; |
|
|
351 | pthread_attr_t attr; |
|
|
352 | |
|
|
353 | pthread_attr_init (&attr); |
|
|
354 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
355 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
356 | |
|
|
357 | sigfillset (&fullsigset); |
|
|
358 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
359 | |
|
|
360 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
361 | started++; |
|
|
362 | |
|
|
363 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
364 | } |
|
|
365 | |
|
|
366 | static void req_send (aio_req req) |
|
|
367 | { |
|
|
368 | while (started < wanted && nreqs >= started) |
|
|
369 | start_thread (); |
|
|
370 | |
|
|
371 | nreqs++; |
|
|
372 | |
|
|
373 | pthread_mutex_lock (&reqlock); |
|
|
374 | |
|
|
375 | req->next = 0; |
|
|
376 | |
|
|
377 | if (reqe) |
|
|
378 | { |
|
|
379 | reqe->next = req; |
|
|
380 | reqe = req; |
|
|
381 | } |
|
|
382 | else |
|
|
383 | reqe = reqs = req; |
|
|
384 | |
|
|
385 | pthread_cond_signal (&reqwait); |
|
|
386 | pthread_mutex_unlock (&reqlock); |
|
|
387 | |
|
|
388 | if (nreqs > max_outstanding) |
|
|
389 | for (;;) |
|
|
390 | { |
|
|
391 | poll_cb (); |
|
|
392 | |
|
|
393 | if (nreqs <= max_outstanding) |
|
|
394 | break; |
|
|
395 | |
|
|
396 | poll_wait (); |
|
|
397 | } |
|
|
398 | } |
|
|
399 | |
|
|
400 | static void end_thread (void) |
|
|
401 | { |
|
|
402 | aio_req req; |
|
|
403 | Newz (0, req, 1, aio_cb); |
|
|
404 | req->type = REQ_QUIT; |
|
|
405 | |
|
|
406 | req_send (req); |
|
|
407 | } |
|
|
408 | |
|
|
409 | static void min_parallel (int nthreads) |
|
|
410 | { |
|
|
411 | if (wanted < nthreads) |
|
|
412 | wanted = nthreads; |
|
|
413 | } |
|
|
414 | |
|
|
415 | static void max_parallel (int nthreads) |
|
|
416 | { |
|
|
417 | int cur = started; |
|
|
418 | |
|
|
419 | if (wanted > nthreads) |
|
|
420 | wanted = nthreads; |
|
|
421 | |
|
|
422 | while (cur > wanted) |
|
|
423 | { |
|
|
424 | end_thread (); |
|
|
425 | cur--; |
|
|
426 | } |
|
|
427 | |
|
|
428 | while (started > wanted) |
|
|
429 | { |
|
|
430 | poll_wait (); |
|
|
431 | poll_cb (); |
|
|
432 | } |
|
|
433 | } |
|
|
434 | |
|
|
435 | static void create_pipe () |
|
|
436 | { |
|
|
437 | if (pipe (respipe)) |
|
|
438 | croak ("unable to initialize result pipe"); |
|
|
439 | |
|
|
440 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
441 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
442 | |
|
|
443 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
444 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
445 | } |
897 | } |
446 | |
898 | |
447 | /*****************************************************************************/ |
899 | /*****************************************************************************/ |
448 | /* work around various missing functions */ |
900 | /* work around various missing functions */ |
449 | |
901 | |
… | |
… | |
454 | /* |
906 | /* |
455 | * make our pread/pwrite safe against themselves, but not against |
907 | * make our pread/pwrite safe against themselves, but not against |
456 | * 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, |
457 | * but that's your problem, not mine. |
909 | * but that's your problem, not mine. |
458 | */ |
910 | */ |
459 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
911 | static mutex_t preadwritelock = X_MUTEX_INIT; |
460 | |
912 | |
461 | 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) |
462 | { |
914 | { |
463 | ssize_t res; |
915 | ssize_t res; |
464 | off_t ooffset; |
916 | off_t ooffset; |
465 | |
917 | |
466 | pthread_mutex_lock (&preadwritelock); |
918 | X_LOCK (preadwritelock); |
467 | ooffset = lseek (fd, 0, SEEK_CUR); |
919 | ooffset = lseek (fd, 0, SEEK_CUR); |
468 | lseek (fd, offset, SEEK_SET); |
920 | lseek (fd, offset, SEEK_SET); |
469 | res = read (fd, buf, count); |
921 | res = read (fd, buf, count); |
470 | lseek (fd, ooffset, SEEK_SET); |
922 | lseek (fd, ooffset, SEEK_SET); |
471 | pthread_mutex_unlock (&preadwritelock); |
923 | X_UNLOCK (preadwritelock); |
472 | |
924 | |
473 | return res; |
925 | return res; |
474 | } |
926 | } |
475 | |
927 | |
476 | 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) |
477 | { |
929 | { |
478 | ssize_t res; |
930 | ssize_t res; |
479 | off_t ooffset; |
931 | off_t ooffset; |
480 | |
932 | |
481 | pthread_mutex_lock (&preadwritelock); |
933 | X_LOCK (preadwritelock); |
482 | ooffset = lseek (fd, 0, SEEK_CUR); |
934 | ooffset = lseek (fd, 0, SEEK_CUR); |
483 | lseek (fd, offset, SEEK_SET); |
935 | lseek (fd, offset, SEEK_SET); |
484 | res = write (fd, buf, count); |
936 | res = write (fd, buf, count); |
485 | lseek (fd, offset, SEEK_SET); |
937 | lseek (fd, offset, SEEK_SET); |
486 | pthread_mutex_unlock (&preadwritelock); |
938 | X_UNLOCK (preadwritelock); |
487 | |
939 | |
488 | return res; |
940 | return res; |
489 | } |
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 | |
490 | #endif |
970 | #endif |
491 | |
971 | |
492 | #if !HAVE_FDATASYNC |
972 | #if !HAVE_FDATASYNC |
493 | # define fdatasync fsync |
973 | # define fdatasync fsync |
494 | #endif |
974 | #endif |
495 | |
975 | |
496 | #if !HAVE_READAHEAD |
976 | #if !HAVE_READAHEAD |
497 | # define readahead aio_readahead |
977 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
498 | |
978 | |
499 | 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) |
500 | { |
980 | { |
501 | char readahead_buf[4096]; |
981 | size_t todo = count; |
|
|
982 | dBUF; |
502 | |
983 | |
503 | while (count > 0) |
984 | while (todo > 0) |
504 | { |
985 | { |
505 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
986 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
506 | |
987 | |
507 | pread (fd, readahead_buf, len, offset); |
988 | pread (fd, aio_buf, len, offset); |
508 | offset += len; |
989 | offset += len; |
509 | count -= len; |
990 | todo -= len; |
510 | } |
991 | } |
511 | |
992 | |
512 | errno = 0; |
993 | errno = 0; |
|
|
994 | return count; |
513 | } |
995 | } |
|
|
996 | |
514 | #endif |
997 | #endif |
515 | |
998 | |
516 | #if !HAVE_READDIR_R |
999 | #if !HAVE_READDIR_R |
517 | # define readdir_r aio_readdir_r |
1000 | # define readdir_r aio_readdir_r |
518 | |
1001 | |
519 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
1002 | static mutex_t readdirlock = X_MUTEX_INIT; |
520 | |
1003 | |
521 | 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) |
522 | { |
1005 | { |
523 | struct dirent *e; |
1006 | X_DIRENT *e; |
524 | int errorno; |
1007 | int errorno; |
525 | |
1008 | |
526 | pthread_mutex_lock (&readdirlock); |
1009 | X_LOCK (readdirlock); |
527 | |
1010 | |
528 | e = readdir (dirp); |
1011 | e = readdir (dirp); |
529 | errorno = errno; |
1012 | errorno = errno; |
530 | |
1013 | |
531 | if (e) |
1014 | if (e) |
… | |
… | |
534 | strcpy (ent->d_name, e->d_name); |
1017 | strcpy (ent->d_name, e->d_name); |
535 | } |
1018 | } |
536 | else |
1019 | else |
537 | *res = 0; |
1020 | *res = 0; |
538 | |
1021 | |
539 | pthread_mutex_unlock (&readdirlock); |
1022 | X_UNLOCK (readdirlock); |
540 | |
1023 | |
541 | errno = errorno; |
1024 | errno = errorno; |
542 | return e ? 0 : -1; |
1025 | return e ? 0 : -1; |
543 | } |
1026 | } |
544 | #endif |
1027 | #endif |
545 | |
1028 | |
546 | /* sendfile always needs emulation */ |
1029 | /* sendfile always needs emulation */ |
547 | 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) |
548 | { |
1031 | { |
549 | ssize_t res; |
1032 | ssize_t res; |
550 | |
1033 | |
551 | if (!count) |
1034 | if (!count) |
552 | return 0; |
1035 | return 0; |
… | |
… | |
563 | { |
1046 | { |
564 | off_t sbytes; |
1047 | off_t sbytes; |
565 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
1048 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
566 | |
1049 | |
567 | if (res < 0 && sbytes) |
1050 | if (res < 0 && sbytes) |
568 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
1051 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
569 | res = sbytes; |
1052 | res = sbytes; |
570 | } |
1053 | } |
571 | |
1054 | |
572 | # elif __hpux |
1055 | # elif __hpux |
573 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
1056 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
601 | #endif |
1084 | #endif |
602 | ) |
1085 | ) |
603 | ) |
1086 | ) |
604 | { |
1087 | { |
605 | /* emulate sendfile. this is a major pain in the ass */ |
1088 | /* emulate sendfile. this is a major pain in the ass */ |
606 | char buf[4096]; |
1089 | dBUF; |
|
|
1090 | |
607 | res = 0; |
1091 | res = 0; |
608 | |
1092 | |
609 | while (count) |
1093 | while (count) |
610 | { |
1094 | { |
611 | ssize_t cnt; |
1095 | ssize_t cnt; |
612 | |
1096 | |
613 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
1097 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
614 | |
1098 | |
615 | if (cnt <= 0) |
1099 | if (cnt <= 0) |
616 | { |
1100 | { |
617 | if (cnt && !res) res = -1; |
1101 | if (cnt && !res) res = -1; |
618 | break; |
1102 | break; |
619 | } |
1103 | } |
620 | |
1104 | |
621 | cnt = write (ofd, buf, cnt); |
1105 | cnt = write (ofd, aio_buf, cnt); |
622 | |
1106 | |
623 | if (cnt <= 0) |
1107 | if (cnt <= 0) |
624 | { |
1108 | { |
625 | if (cnt && !res) res = -1; |
1109 | if (cnt && !res) res = -1; |
626 | break; |
1110 | break; |
… | |
… | |
634 | |
1118 | |
635 | return res; |
1119 | return res; |
636 | } |
1120 | } |
637 | |
1121 | |
638 | /* read a full directory */ |
1122 | /* read a full directory */ |
639 | static int scandir_ (const char *path, void **namesp) |
1123 | static void scandir_ (aio_req req, worker *self) |
640 | { |
1124 | { |
641 | DIR *dirp = opendir (path); |
1125 | DIR *dirp; |
642 | union |
1126 | union |
643 | { |
1127 | { |
644 | struct dirent d; |
1128 | X_DIRENT d; |
645 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1129 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
646 | } u; |
1130 | } *u; |
647 | struct dirent *entp; |
1131 | X_DIRENT *entp; |
648 | char *name, *names; |
1132 | char *name, *names; |
649 | int memlen = 4096; |
1133 | int memlen = 4096; |
650 | int memofs = 0; |
1134 | int memofs = 0; |
651 | int res = 0; |
1135 | int res = 0; |
652 | int errorno; |
|
|
653 | |
1136 | |
654 | if (!dirp) |
1137 | X_LOCK (wrklock); |
655 | return -1; |
1138 | self->dirp = dirp = opendir (req->ptr1); |
656 | |
1139 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1140 | req->flags |= FLAG_PTR2_FREE; |
657 | names = malloc (memlen); |
1141 | req->ptr2 = names = malloc (memlen); |
|
|
1142 | X_UNLOCK (wrklock); |
|
|
1143 | |
|
|
1144 | if (dirp && u && names) |
|
|
1145 | for (;;) |
|
|
1146 | { |
|
|
1147 | errno = 0; |
|
|
1148 | readdir_r (dirp, &u->d, &entp); |
|
|
1149 | |
|
|
1150 | if (!entp) |
|
|
1151 | break; |
|
|
1152 | |
|
|
1153 | name = entp->d_name; |
|
|
1154 | |
|
|
1155 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1156 | { |
|
|
1157 | int len = strlen (name) + 1; |
|
|
1158 | |
|
|
1159 | res++; |
|
|
1160 | |
|
|
1161 | while (memofs + len > memlen) |
|
|
1162 | { |
|
|
1163 | memlen *= 2; |
|
|
1164 | X_LOCK (wrklock); |
|
|
1165 | req->ptr2 = names = realloc (names, memlen); |
|
|
1166 | X_UNLOCK (wrklock); |
|
|
1167 | |
|
|
1168 | if (!names) |
|
|
1169 | break; |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | memcpy (names + memofs, name, len); |
|
|
1173 | memofs += len; |
|
|
1174 | } |
|
|
1175 | } |
|
|
1176 | |
|
|
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); |
658 | |
1194 | |
659 | for (;;) |
1195 | for (;;) |
660 | { |
1196 | { |
661 | errno = 0, readdir_r (dirp, &u.d, &entp); |
1197 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
662 | |
1198 | |
663 | if (!entp) |
1199 | X_LOCK (reqlock); |
664 | break; |
|
|
665 | |
|
|
666 | name = entp->d_name; |
|
|
667 | |
|
|
668 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
669 | { |
|
|
670 | int len = strlen (name) + 1; |
|
|
671 | |
|
|
672 | res++; |
|
|
673 | |
|
|
674 | while (memofs + len > memlen) |
|
|
675 | { |
|
|
676 | memlen *= 2; |
|
|
677 | names = realloc (names, memlen); |
|
|
678 | if (!names) |
|
|
679 | break; |
|
|
680 | } |
|
|
681 | |
|
|
682 | memcpy (names + memofs, name, len); |
|
|
683 | memofs += len; |
|
|
684 | } |
|
|
685 | } |
|
|
686 | |
|
|
687 | errorno = errno; |
|
|
688 | closedir (dirp); |
|
|
689 | |
|
|
690 | if (errorno) |
|
|
691 | { |
|
|
692 | free (names); |
|
|
693 | errno = errorno; |
|
|
694 | res = -1; |
|
|
695 | } |
|
|
696 | |
|
|
697 | *namesp = (void *)names; |
|
|
698 | return res; |
|
|
699 | } |
|
|
700 | |
|
|
701 | /*****************************************************************************/ |
|
|
702 | |
|
|
703 | static void *aio_proc (void *thr_arg) |
|
|
704 | { |
|
|
705 | aio_req req; |
|
|
706 | int type; |
|
|
707 | |
|
|
708 | do |
|
|
709 | { |
|
|
710 | pthread_mutex_lock (&reqlock); |
|
|
711 | |
1200 | |
712 | for (;;) |
1201 | for (;;) |
713 | { |
1202 | { |
714 | req = reqs; |
1203 | self->req = req = reqq_shift (&req_queue); |
715 | |
|
|
716 | if (reqs) |
|
|
717 | { |
|
|
718 | reqs = reqs->next; |
|
|
719 | if (!reqs) reqe = 0; |
|
|
720 | } |
|
|
721 | |
1204 | |
722 | if (req) |
1205 | if (req) |
723 | break; |
1206 | break; |
724 | |
1207 | |
725 | 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; |
726 | } |
1229 | } |
727 | |
1230 | |
728 | pthread_mutex_unlock (&reqlock); |
1231 | --nready; |
|
|
1232 | |
|
|
1233 | X_UNLOCK (reqlock); |
729 | |
1234 | |
730 | errno = 0; /* strictly unnecessary */ |
1235 | errno = 0; /* strictly unnecessary */ |
731 | |
1236 | |
732 | if (!req->cancelled) |
1237 | if (!(req->flags & FLAG_CANCELLED)) |
733 | switch (req->type) |
1238 | switch (req->type) |
734 | { |
1239 | { |
735 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1240 | case REQ_READ: req->result = req->offs >= 0 |
736 | 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; |
737 | |
1246 | |
738 | 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; |
739 | 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; |
740 | |
1249 | |
741 | 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; |
742 | 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; |
743 | 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; |
744 | |
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 | |
745 | 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; |
746 | case REQ_CLOSE: req->result = close (req->fd); break; |
1262 | case REQ_CLOSE: req->result = close (req->int1); break; |
747 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1263 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
748 | 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; |
749 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1266 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
750 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1267 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
751 | 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; |
752 | |
1271 | |
753 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1272 | case REQ_SYNC: req->result = 0; sync (); break; |
754 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1273 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
755 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
1274 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
756 | |
1275 | |
|
|
1276 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1277 | |
757 | case REQ_SLEEP: |
1278 | case REQ_BUSY: |
|
|
1279 | #ifdef _WIN32 |
|
|
1280 | Sleep (req->nv1 * 1000.); |
|
|
1281 | #else |
758 | { |
1282 | { |
759 | struct timeval tv; |
1283 | struct timeval tv; |
760 | |
1284 | |
761 | tv.tv_sec = req->fd; |
1285 | tv.tv_sec = req->nv1; |
762 | tv.tv_usec = req->fd2; |
1286 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
763 | |
1287 | |
764 | req->result = select (0, 0, 0, 0, &tv); |
1288 | req->result = select (0, 0, 0, 0, &tv); |
765 | } |
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 | } |
|
|
1316 | |
|
|
1317 | case REQ_GROUP: |
|
|
1318 | case REQ_NOP: |
|
|
1319 | break; |
766 | |
1320 | |
767 | case REQ_QUIT: |
1321 | case REQ_QUIT: |
768 | break; |
1322 | goto quit; |
769 | |
1323 | |
770 | default: |
1324 | default: |
771 | req->result = ENOSYS; |
1325 | req->result = -1; |
772 | break; |
1326 | break; |
773 | } |
1327 | } |
774 | |
1328 | |
775 | req->errorno = errno; |
1329 | req->errorno = errno; |
776 | |
1330 | |
777 | pthread_mutex_lock (&reslock); |
1331 | X_LOCK (reslock); |
778 | |
1332 | |
779 | req->next = 0; |
1333 | ++npending; |
780 | |
1334 | |
781 | if (rese) |
1335 | if (!reqq_push (&res_queue, req)) |
782 | { |
1336 | { |
783 | rese->next = req; |
1337 | /* write a dummy byte to the pipe so fh becomes ready */ |
784 | rese = req; |
1338 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1339 | |
|
|
1340 | /* optionally signal the main thread asynchronously */ |
|
|
1341 | if (main_sig) |
|
|
1342 | pthread_kill (main_tid, main_sig); |
785 | } |
1343 | } |
786 | else |
|
|
787 | { |
|
|
788 | rese = ress = req; |
|
|
789 | |
1344 | |
790 | /* write a dummy byte to the pipe so fh becomes ready */ |
1345 | self->req = 0; |
791 | write (respipe [1], &respipe, 1); |
1346 | worker_clear (self); |
792 | } |
|
|
793 | |
1347 | |
794 | pthread_mutex_unlock (&reslock); |
1348 | X_UNLOCK (reslock); |
795 | } |
1349 | } |
796 | while (type != REQ_QUIT); |
1350 | |
|
|
1351 | quit: |
|
|
1352 | X_LOCK (wrklock); |
|
|
1353 | worker_free (self); |
|
|
1354 | X_UNLOCK (wrklock); |
797 | |
1355 | |
798 | return 0; |
1356 | return 0; |
|
|
1357 | }//D |
799 | } |
1358 | } |
800 | |
1359 | |
801 | /*****************************************************************************/ |
1360 | /*****************************************************************************/ |
802 | |
1361 | |
803 | static void atfork_prepare (void) |
1362 | static void atfork_prepare (void) |
804 | { |
1363 | { |
805 | pthread_mutex_lock (&reqlock); |
1364 | X_LOCK (wrklock); |
806 | pthread_mutex_lock (&reslock); |
1365 | X_LOCK (reqlock); |
|
|
1366 | X_LOCK (reslock); |
807 | #if !HAVE_PREADWRITE |
1367 | #if !HAVE_PREADWRITE |
808 | pthread_mutex_lock (&preadwritelock); |
1368 | X_LOCK (preadwritelock); |
809 | #endif |
1369 | #endif |
810 | #if !HAVE_READDIR_R |
1370 | #if !HAVE_READDIR_R |
811 | pthread_mutex_lock (&readdirlock); |
1371 | X_LOCK (readdirlock); |
812 | #endif |
1372 | #endif |
813 | } |
1373 | } |
814 | |
1374 | |
815 | static void atfork_parent (void) |
1375 | static void atfork_parent (void) |
816 | { |
1376 | { |
817 | #if !HAVE_READDIR_R |
1377 | #if !HAVE_READDIR_R |
818 | pthread_mutex_unlock (&readdirlock); |
1378 | X_UNLOCK (readdirlock); |
819 | #endif |
1379 | #endif |
820 | #if !HAVE_PREADWRITE |
1380 | #if !HAVE_PREADWRITE |
821 | pthread_mutex_unlock (&preadwritelock); |
1381 | X_UNLOCK (preadwritelock); |
822 | #endif |
1382 | #endif |
823 | pthread_mutex_unlock (&reslock); |
1383 | X_UNLOCK (reslock); |
824 | pthread_mutex_unlock (&reqlock); |
1384 | X_UNLOCK (reqlock); |
|
|
1385 | X_UNLOCK (wrklock); |
825 | } |
1386 | } |
826 | |
1387 | |
827 | static void atfork_child (void) |
1388 | static void atfork_child (void) |
828 | { |
1389 | { |
829 | aio_req prv; |
1390 | aio_req prv; |
830 | |
1391 | |
831 | started = 0; |
1392 | while (prv = reqq_shift (&req_queue)) |
|
|
1393 | req_destroy (prv); |
832 | |
1394 | |
833 | while (reqs) |
1395 | while (prv = reqq_shift (&res_queue)) |
|
|
1396 | req_destroy (prv); |
|
|
1397 | |
|
|
1398 | while (wrk_first.next != &wrk_first) |
834 | { |
1399 | { |
835 | prv = reqs; |
1400 | worker *wrk = wrk_first.next; |
836 | reqs = prv->next; |
1401 | |
|
|
1402 | if (wrk->req) |
|
|
1403 | req_destroy (wrk->req); |
|
|
1404 | |
|
|
1405 | worker_clear (wrk); |
837 | req_free (prv); |
1406 | worker_free (wrk); |
838 | } |
1407 | } |
839 | |
1408 | |
840 | reqs = reqe = 0; |
1409 | started = 0; |
841 | |
1410 | idle = 0; |
842 | while (ress) |
1411 | nreqs = 0; |
843 | { |
1412 | nready = 0; |
844 | prv = ress; |
1413 | npending = 0; |
845 | ress = prv->next; |
|
|
846 | req_free (prv); |
|
|
847 | } |
|
|
848 | |
|
|
849 | ress = rese = 0; |
|
|
850 | |
1414 | |
851 | close (respipe [0]); |
|
|
852 | close (respipe [1]); |
|
|
853 | create_pipe (); |
1415 | create_respipe (); |
854 | |
1416 | |
855 | atfork_parent (); |
1417 | atfork_parent (); |
856 | } |
1418 | } |
857 | |
1419 | |
858 | #define dREQ \ |
1420 | #define dREQ \ |
859 | aio_req req; \ |
1421 | aio_req req; \ |
|
|
1422 | int req_pri = next_pri; \ |
|
|
1423 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
860 | \ |
1424 | \ |
861 | if (SvOK (callback) && !SvROK (callback)) \ |
1425 | if (SvOK (callback) && !SvROK (callback)) \ |
862 | croak ("callback must be undef or of reference type"); \ |
1426 | croak ("callback must be undef or of reference type"); \ |
863 | \ |
1427 | \ |
864 | Newz (0, req, 1, aio_cb); \ |
1428 | Newz (0, req, 1, aio_cb); \ |
865 | if (!req) \ |
1429 | if (!req) \ |
866 | croak ("out of memory during aio_req allocation"); \ |
1430 | croak ("out of memory during aio_req allocation"); \ |
867 | \ |
1431 | \ |
868 | req->callback = newSVsv (callback) |
1432 | req->callback = newSVsv (callback); \ |
|
|
1433 | req->pri = req_pri |
869 | |
1434 | |
870 | #define REQ_SEND \ |
1435 | #define REQ_SEND \ |
871 | req_send (req); \ |
1436 | req_send (req); \ |
872 | \ |
1437 | \ |
873 | if (GIMME_V != G_VOID) \ |
1438 | if (GIMME_V != G_VOID) \ |
… | |
… | |
877 | |
1442 | |
878 | PROTOTYPES: ENABLE |
1443 | PROTOTYPES: ENABLE |
879 | |
1444 | |
880 | BOOT: |
1445 | BOOT: |
881 | { |
1446 | { |
882 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1447 | stash = gv_stashpv ("IO::AIO", 1); |
|
|
1448 | |
883 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1449 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
884 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1450 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
885 | 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); |
886 | |
1461 | |
887 | 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 | |
888 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1470 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
889 | } |
1471 | } |
890 | |
1472 | |
891 | void |
1473 | void |
892 | min_parallel (nthreads) |
1474 | max_poll_reqs (int nreqs) |
893 | int nthreads |
|
|
894 | PROTOTYPE: $ |
1475 | PROTOTYPE: $ |
|
|
1476 | CODE: |
|
|
1477 | max_poll_reqs = nreqs; |
895 | |
1478 | |
896 | void |
1479 | void |
897 | max_parallel (nthreads) |
1480 | max_poll_time (double nseconds) |
898 | int nthreads |
|
|
899 | 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); |
900 | |
1498 | |
901 | int |
1499 | int |
902 | max_outstanding (nreqs) |
1500 | max_outstanding (int maxreqs) |
903 | int nreqs |
1501 | PROTOTYPE: $ |
904 | PROTOTYPE: $ |
|
|
905 | CODE: |
1502 | CODE: |
906 | RETVAL = max_outstanding; |
1503 | RETVAL = max_outstanding; |
907 | max_outstanding = nreqs; |
1504 | max_outstanding = maxreqs; |
|
|
1505 | OUTPUT: |
|
|
1506 | RETVAL |
908 | |
1507 | |
909 | void |
1508 | void |
910 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1509 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
911 | SV * pathname |
|
|
912 | int flags |
|
|
913 | int mode |
|
|
914 | SV * callback |
|
|
915 | PROTOTYPE: $$$;$ |
1510 | PROTOTYPE: $$$;$ |
916 | PPCODE: |
1511 | PPCODE: |
917 | { |
1512 | { |
918 | dREQ; |
1513 | dREQ; |
919 | |
1514 | |
920 | req->type = REQ_OPEN; |
1515 | req->type = REQ_OPEN; |
921 | req->data = newSVsv (pathname); |
1516 | req->sv1 = newSVsv (pathname); |
922 | req->dataptr = SvPVbyte_nolen (req->data); |
1517 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
923 | req->fd = flags; |
1518 | req->int1 = flags; |
924 | req->mode = mode; |
1519 | req->mode = mode; |
925 | |
1520 | |
926 | REQ_SEND; |
1521 | REQ_SEND; |
927 | } |
1522 | } |
928 | |
1523 | |
929 | void |
1524 | void |
930 | aio_close (fh,callback=&PL_sv_undef) |
1525 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
931 | SV * fh |
|
|
932 | SV * callback |
|
|
933 | PROTOTYPE: $;$ |
1526 | PROTOTYPE: $;$ |
934 | ALIAS: |
1527 | ALIAS: |
935 | aio_close = REQ_CLOSE |
|
|
936 | aio_fsync = REQ_FSYNC |
1528 | aio_fsync = REQ_FSYNC |
937 | aio_fdatasync = REQ_FDATASYNC |
1529 | aio_fdatasync = REQ_FDATASYNC |
938 | PPCODE: |
1530 | PPCODE: |
939 | { |
1531 | { |
940 | dREQ; |
1532 | dREQ; |
941 | |
1533 | |
942 | req->type = ix; |
1534 | req->type = ix; |
943 | req->fh = newSVsv (fh); |
1535 | req->sv1 = newSVsv (fh); |
944 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1536 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
945 | |
1537 | |
946 | REQ_SEND (req); |
1538 | REQ_SEND (req); |
947 | } |
1539 | } |
948 | |
1540 | |
|
|
1541 | int |
|
|
1542 | _dup (int fd) |
|
|
1543 | PROTOTYPE: $ |
|
|
1544 | CODE: |
|
|
1545 | RETVAL = dup (fd); |
|
|
1546 | OUTPUT: |
|
|
1547 | RETVAL |
|
|
1548 | |
949 | 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 |
950 | 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) |
951 | SV * fh |
|
|
952 | UV offset |
|
|
953 | UV length |
|
|
954 | SV * data |
|
|
955 | UV dataoffset |
|
|
956 | SV * callback |
|
|
957 | ALIAS: |
1564 | ALIAS: |
958 | aio_read = REQ_READ |
1565 | aio_read = REQ_READ |
959 | aio_write = REQ_WRITE |
1566 | aio_write = REQ_WRITE |
960 | PROTOTYPE: $$$$$;$ |
1567 | PROTOTYPE: $$$$$;$ |
961 | PPCODE: |
1568 | PPCODE: |
962 | { |
1569 | { |
963 | aio_req req; |
|
|
964 | STRLEN svlen; |
1570 | STRLEN svlen; |
965 | char *svptr = SvPVbyte (data, svlen); |
1571 | char *svptr = SvPVbyte (data, svlen); |
|
|
1572 | UV len = SvUV (length); |
966 | |
1573 | |
967 | SvUPGRADE (data, SVt_PV); |
1574 | SvUPGRADE (data, SVt_PV); |
968 | SvPOK_on (data); |
1575 | SvPOK_on (data); |
969 | |
1576 | |
970 | if (dataoffset < 0) |
1577 | if (dataoffset < 0) |
971 | dataoffset += svlen; |
1578 | dataoffset += svlen; |
972 | |
1579 | |
973 | if (dataoffset < 0 || dataoffset > svlen) |
1580 | if (dataoffset < 0 || dataoffset > svlen) |
974 | croak ("data offset outside of string"); |
1581 | croak ("dataoffset outside of data scalar"); |
975 | |
1582 | |
976 | if (ix == REQ_WRITE) |
1583 | if (ix == REQ_WRITE) |
977 | { |
1584 | { |
978 | /* write: check length and adjust. */ |
1585 | /* write: check length and adjust. */ |
979 | if (length < 0 || length + dataoffset > svlen) |
1586 | if (!SvOK (length) || len + dataoffset > svlen) |
980 | length = svlen - dataoffset; |
1587 | len = svlen - dataoffset; |
981 | } |
1588 | } |
982 | else |
1589 | else |
983 | { |
1590 | { |
984 | /* read: grow scalar as necessary */ |
1591 | /* read: grow scalar as necessary */ |
985 | svptr = SvGROW (data, length + dataoffset); |
1592 | svptr = SvGROW (data, len + dataoffset + 1); |
986 | } |
1593 | } |
987 | |
1594 | |
988 | if (length < 0) |
1595 | if (len < 0) |
989 | croak ("length must not be negative"); |
1596 | croak ("length must not be negative"); |
990 | |
1597 | |
991 | { |
1598 | { |
992 | dREQ; |
1599 | dREQ; |
993 | |
1600 | |
994 | req->type = ix; |
1601 | req->type = ix; |
995 | req->fh = newSVsv (fh); |
1602 | req->sv1 = newSVsv (fh); |
996 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1603 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
997 | : IoOFP (sv_2io (fh))); |
1604 | : IoOFP (sv_2io (fh))); |
|
|
1605 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
998 | req->offset = offset; |
1606 | req->size = len; |
999 | req->length = length; |
|
|
1000 | req->data = SvREFCNT_inc (data); |
1607 | req->sv2 = SvREFCNT_inc (data); |
1001 | req->dataptr = (char *)svptr + dataoffset; |
1608 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1609 | req->stroffset = dataoffset; |
1002 | |
1610 | |
1003 | if (!SvREADONLY (data)) |
1611 | if (!SvREADONLY (data)) |
1004 | { |
1612 | { |
1005 | SvREADONLY_on (data); |
1613 | SvREADONLY_on (data); |
1006 | req->data2ptr = (void *)data; |
1614 | req->flags |= FLAG_SV2_RO_OFF; |
1007 | } |
1615 | } |
1008 | |
1616 | |
1009 | REQ_SEND; |
1617 | REQ_SEND; |
1010 | } |
1618 | } |
1011 | } |
1619 | } |
1012 | |
1620 | |
1013 | 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 |
1014 | 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) |
1015 | SV * out_fh |
|
|
1016 | SV * in_fh |
|
|
1017 | UV in_offset |
|
|
1018 | UV length |
|
|
1019 | SV * callback |
|
|
1020 | PROTOTYPE: $$$$;$ |
1643 | PROTOTYPE: $$$$;$ |
1021 | PPCODE: |
1644 | PPCODE: |
1022 | { |
1645 | { |
1023 | dREQ; |
1646 | dREQ; |
1024 | |
1647 | |
1025 | req->type = REQ_SENDFILE; |
1648 | req->type = REQ_SENDFILE; |
1026 | req->fh = newSVsv (out_fh); |
1649 | req->sv1 = newSVsv (out_fh); |
1027 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1650 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1028 | req->fh2 = newSVsv (in_fh); |
1651 | req->sv2 = newSVsv (in_fh); |
1029 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1652 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1030 | req->offset = in_offset; |
1653 | req->offs = SvVAL64 (in_offset); |
1031 | req->length = length; |
1654 | req->size = length; |
1032 | |
1655 | |
1033 | REQ_SEND; |
1656 | REQ_SEND; |
1034 | } |
1657 | } |
1035 | |
1658 | |
1036 | void |
1659 | void |
1037 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1660 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1038 | SV * fh |
|
|
1039 | UV offset |
|
|
1040 | IV length |
|
|
1041 | SV * callback |
|
|
1042 | PROTOTYPE: $$$;$ |
1661 | PROTOTYPE: $$$;$ |
1043 | PPCODE: |
1662 | PPCODE: |
1044 | { |
1663 | { |
1045 | dREQ; |
1664 | dREQ; |
1046 | |
1665 | |
1047 | req->type = REQ_READAHEAD; |
1666 | req->type = REQ_READAHEAD; |
1048 | req->fh = newSVsv (fh); |
1667 | req->sv1 = newSVsv (fh); |
1049 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1668 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1050 | req->offset = offset; |
1669 | req->offs = SvVAL64 (offset); |
1051 | req->length = length; |
1670 | req->size = length; |
1052 | |
1671 | |
1053 | REQ_SEND; |
1672 | REQ_SEND; |
1054 | } |
1673 | } |
1055 | |
1674 | |
1056 | void |
1675 | void |
1057 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1676 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1058 | SV * fh_or_path |
|
|
1059 | SV * callback |
|
|
1060 | ALIAS: |
1677 | ALIAS: |
1061 | aio_stat = REQ_STAT |
1678 | aio_stat = REQ_STAT |
1062 | aio_lstat = REQ_LSTAT |
1679 | aio_lstat = REQ_LSTAT |
1063 | PPCODE: |
1680 | PPCODE: |
1064 | { |
1681 | { |
1065 | dREQ; |
1682 | dREQ; |
1066 | |
1683 | |
1067 | New (0, req->statdata, 1, Stat_t); |
1684 | req->ptr2 = malloc (sizeof (Stat_t)); |
1068 | if (!req->statdata) |
1685 | if (!req->ptr2) |
1069 | { |
1686 | { |
1070 | req_free (req); |
1687 | req_destroy (req); |
1071 | croak ("out of memory during aio_req->statdata allocation"); |
1688 | croak ("out of memory during aio_stat statdata allocation"); |
1072 | } |
1689 | } |
|
|
1690 | |
|
|
1691 | req->flags |= FLAG_PTR2_FREE; |
|
|
1692 | req->sv1 = newSVsv (fh_or_path); |
1073 | |
1693 | |
1074 | if (SvPOK (fh_or_path)) |
1694 | if (SvPOK (fh_or_path)) |
1075 | { |
1695 | { |
1076 | req->type = ix; |
1696 | req->type = ix; |
1077 | req->data = newSVsv (fh_or_path); |
|
|
1078 | req->dataptr = SvPVbyte_nolen (req->data); |
1697 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1079 | } |
1698 | } |
1080 | else |
1699 | else |
1081 | { |
1700 | { |
1082 | req->type = REQ_FSTAT; |
1701 | req->type = REQ_FSTAT; |
1083 | req->fh = newSVsv (fh_or_path); |
|
|
1084 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1702 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1085 | } |
1703 | } |
1086 | |
1704 | |
1087 | REQ_SEND; |
1705 | REQ_SEND; |
1088 | } |
1706 | } |
1089 | |
1707 | |
1090 | 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 |
1091 | aio_unlink (pathname,callback=&PL_sv_undef) |
1803 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1092 | SV * pathname |
|
|
1093 | SV * callback |
|
|
1094 | ALIAS: |
1804 | ALIAS: |
1095 | aio_unlink = REQ_UNLINK |
1805 | aio_unlink = REQ_UNLINK |
1096 | aio_rmdir = REQ_RMDIR |
1806 | aio_rmdir = REQ_RMDIR |
1097 | aio_readdir = REQ_READDIR |
1807 | aio_readdir = REQ_READDIR |
1098 | PPCODE: |
1808 | PPCODE: |
1099 | { |
1809 | { |
1100 | dREQ; |
1810 | dREQ; |
1101 | |
1811 | |
1102 | req->type = ix; |
1812 | req->type = ix; |
1103 | req->data = newSVsv (pathname); |
1813 | req->sv1 = newSVsv (pathname); |
1104 | 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; |
1105 | |
1824 | |
|
|
1825 | req->type = REQ_MKDIR; |
|
|
1826 | req->sv1 = newSVsv (pathname); |
|
|
1827 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1828 | req->mode = mode; |
|
|
1829 | |
1106 | REQ_SEND; |
1830 | REQ_SEND; |
1107 | } |
1831 | } |
1108 | |
1832 | |
1109 | void |
1833 | void |
1110 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1834 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1111 | SV * oldpath |
|
|
1112 | SV * newpath |
|
|
1113 | SV * callback |
|
|
1114 | ALIAS: |
1835 | ALIAS: |
1115 | aio_link = REQ_LINK |
1836 | aio_link = REQ_LINK |
1116 | aio_symlink = REQ_SYMLINK |
1837 | aio_symlink = REQ_SYMLINK |
1117 | aio_rename = REQ_RENAME |
1838 | aio_rename = REQ_RENAME |
1118 | PPCODE: |
1839 | PPCODE: |
1119 | { |
1840 | { |
1120 | dREQ; |
1841 | dREQ; |
1121 | |
1842 | |
1122 | req->type = ix; |
1843 | req->type = ix; |
1123 | req->fh = newSVsv (oldpath); |
1844 | req->sv2 = newSVsv (oldpath); |
1124 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1845 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1125 | req->data = newSVsv (newpath); |
1846 | req->sv1 = newSVsv (newpath); |
1126 | req->dataptr = SvPVbyte_nolen (req->data); |
1847 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1127 | |
1848 | |
1128 | REQ_SEND; |
1849 | REQ_SEND; |
1129 | } |
1850 | } |
1130 | |
1851 | |
1131 | void |
1852 | void |
1132 | aio_sleep (delay,callback=&PL_sv_undef) |
1853 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1133 | double delay |
|
|
1134 | SV * callback |
|
|
1135 | PPCODE: |
1854 | PPCODE: |
1136 | { |
1855 | { |
1137 | dREQ; |
1856 | dREQ; |
1138 | |
1857 | |
1139 | req->type = REQ_SLEEP; |
1858 | req->type = REQ_MKNOD; |
1140 | req->fd = delay < 0. ? 0 : delay; |
1859 | req->sv1 = newSVsv (pathname); |
1141 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1860 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1142 | |
1861 | req->mode = (mode_t)mode; |
|
|
1862 | req->offs = dev; |
|
|
1863 | |
1143 | REQ_SEND; |
1864 | REQ_SEND; |
1144 | } |
1865 | } |
1145 | |
1866 | |
1146 | void |
1867 | void |
|
|
1868 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1869 | PPCODE: |
|
|
1870 | { |
|
|
1871 | dREQ; |
|
|
1872 | |
|
|
1873 | req->type = REQ_BUSY; |
|
|
1874 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1875 | |
|
|
1876 | REQ_SEND; |
|
|
1877 | } |
|
|
1878 | |
|
|
1879 | void |
1147 | aio_group (callback=&PL_sv_undef) |
1880 | aio_group (SV *callback=&PL_sv_undef) |
1148 | SV * callback |
|
|
1149 | PROTOTYPE: ;$ |
1881 | PROTOTYPE: ;$ |
1150 | PPCODE: |
1882 | PPCODE: |
1151 | { |
1883 | { |
1152 | dREQ; |
1884 | dREQ; |
|
|
1885 | |
1153 | req->type = REQ_GROUP; |
1886 | req->type = REQ_GROUP; |
1154 | req->grp_next = req; |
|
|
1155 | req->grp_prev = req; |
|
|
1156 | |
1887 | |
1157 | req_send (req); |
1888 | req_send (req); |
1158 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1889 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1159 | } |
1890 | } |
|
|
1891 | |
|
|
1892 | void |
|
|
1893 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1894 | ALIAS: |
|
|
1895 | aio_nop = REQ_NOP |
|
|
1896 | aio_sync = REQ_SYNC |
|
|
1897 | PPCODE: |
|
|
1898 | { |
|
|
1899 | dREQ; |
|
|
1900 | |
|
|
1901 | req->type = ix; |
|
|
1902 | |
|
|
1903 | REQ_SEND; |
|
|
1904 | } |
|
|
1905 | |
|
|
1906 | int |
|
|
1907 | aioreq_pri (int pri = 0) |
|
|
1908 | PROTOTYPE: ;$ |
|
|
1909 | CODE: |
|
|
1910 | RETVAL = next_pri - PRI_BIAS; |
|
|
1911 | if (items > 0) |
|
|
1912 | { |
|
|
1913 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1914 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1915 | next_pri = pri + PRI_BIAS; |
|
|
1916 | } |
|
|
1917 | OUTPUT: |
|
|
1918 | RETVAL |
|
|
1919 | |
|
|
1920 | void |
|
|
1921 | aioreq_nice (int nice = 0) |
|
|
1922 | CODE: |
|
|
1923 | nice = next_pri - nice; |
|
|
1924 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1925 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1926 | next_pri = nice + PRI_BIAS; |
1160 | |
1927 | |
1161 | void |
1928 | void |
1162 | flush () |
1929 | flush () |
1163 | PROTOTYPE: |
1930 | PROTOTYPE: |
1164 | CODE: |
1931 | CODE: |
… | |
… | |
1166 | { |
1933 | { |
1167 | poll_wait (); |
1934 | poll_wait (); |
1168 | poll_cb (); |
1935 | poll_cb (); |
1169 | } |
1936 | } |
1170 | |
1937 | |
1171 | void |
1938 | int |
1172 | poll() |
1939 | poll() |
1173 | PROTOTYPE: |
1940 | PROTOTYPE: |
1174 | CODE: |
1941 | CODE: |
1175 | if (nreqs) |
|
|
1176 | { |
|
|
1177 | poll_wait (); |
1942 | poll_wait (); |
1178 | poll_cb (); |
1943 | RETVAL = poll_cb (); |
1179 | } |
1944 | OUTPUT: |
|
|
1945 | RETVAL |
1180 | |
1946 | |
1181 | int |
1947 | int |
1182 | poll_fileno() |
1948 | poll_fileno() |
1183 | PROTOTYPE: |
1949 | PROTOTYPE: |
1184 | CODE: |
1950 | CODE: |
… | |
… | |
1196 | |
1962 | |
1197 | void |
1963 | void |
1198 | poll_wait() |
1964 | poll_wait() |
1199 | PROTOTYPE: |
1965 | PROTOTYPE: |
1200 | CODE: |
1966 | CODE: |
1201 | if (nreqs) |
|
|
1202 | 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 | } |
1203 | |
2004 | |
1204 | int |
2005 | int |
1205 | nreqs() |
2006 | nreqs() |
1206 | PROTOTYPE: |
2007 | PROTOTYPE: |
1207 | CODE: |
2008 | CODE: |
1208 | RETVAL = nreqs; |
2009 | RETVAL = nreqs; |
1209 | OUTPUT: |
2010 | OUTPUT: |
1210 | RETVAL |
2011 | RETVAL |
1211 | |
2012 | |
1212 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2013 | int |
1213 | |
2014 | nready() |
1214 | void |
|
|
1215 | cancel (aio_req_ornot req) |
|
|
1216 | PROTOTYPE: |
2015 | PROTOTYPE: |
1217 | CODE: |
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 | |
|
|
2039 | PROTOTYPES: DISABLE |
|
|
2040 | |
|
|
2041 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
2042 | |
|
|
2043 | void |
|
|
2044 | cancel (aio_req_ornot req) |
|
|
2045 | CODE: |
1218 | req_cancel (req); |
2046 | req_cancel (req); |
1219 | |
2047 | |
|
|
2048 | void |
|
|
2049 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
2050 | CODE: |
|
|
2051 | SvREFCNT_dec (req->callback); |
|
|
2052 | req->callback = newSVsv (callback); |
|
|
2053 | |
1220 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2054 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1221 | |
2055 | |
1222 | void |
2056 | void |
1223 | add (aio_req grp, ...) |
2057 | add (aio_req grp, ...) |
1224 | PROTOTYPE: $;@ |
|
|
1225 | PPCODE: |
2058 | PPCODE: |
1226 | { |
2059 | { |
1227 | int i; |
2060 | int i; |
|
|
2061 | aio_req req; |
|
|
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 | |
|
|
2066 | if (grp->int1 == 2) |
|
|
2067 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1228 | |
2068 | |
1229 | for (i = 1; i < items; ++i ) |
2069 | for (i = 1; i < items; ++i ) |
1230 | { |
2070 | { |
1231 | if (GIMME_V != G_VOID) |
2071 | if (GIMME_V != G_VOID) |
1232 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2072 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1233 | |
2073 | |
1234 | aio_req req = SvAIO_REQ (ST (i)); |
2074 | req = SvAIO_REQ (ST (i)); |
1235 | |
2075 | |
1236 | if (req) |
2076 | if (req) |
1237 | { |
2077 | { |
1238 | req->grp_prev = grp; |
2078 | ++grp->size; |
1239 | req->grp_next = grp->grp_next; |
|
|
1240 | grp->grp_next->grp_prev = req; |
|
|
1241 | grp->grp_next = req; |
|
|
1242 | |
|
|
1243 | req->grp = grp; |
2079 | req->grp = grp; |
|
|
2080 | |
|
|
2081 | req->grp_prev = 0; |
|
|
2082 | req->grp_next = grp->grp_first; |
|
|
2083 | |
|
|
2084 | if (grp->grp_first) |
|
|
2085 | grp->grp_first->grp_prev = req; |
|
|
2086 | |
|
|
2087 | grp->grp_first = req; |
1244 | } |
2088 | } |
1245 | } |
2089 | } |
1246 | } |
2090 | } |
1247 | |
2091 | |
|
|
2092 | void |
|
|
2093 | cancel_subs (aio_req_ornot req) |
|
|
2094 | CODE: |
|
|
2095 | req_cancel_subs (req); |
|
|
2096 | |
|
|
2097 | void |
|
|
2098 | result (aio_req grp, ...) |
|
|
2099 | CODE: |
|
|
2100 | { |
|
|
2101 | int i; |
|
|
2102 | AV *av; |
|
|
2103 | |
|
|
2104 | grp->errorno = errno; |
|
|
2105 | |
|
|
2106 | av = newAV (); |
|
|
2107 | |
|
|
2108 | for (i = 1; i < items; ++i ) |
|
|
2109 | av_push (av, newSVsv (ST (i))); |
|
|
2110 | |
|
|
2111 | SvREFCNT_dec (grp->sv1); |
|
|
2112 | grp->sv1 = (SV *)av; |
|
|
2113 | } |
|
|
2114 | |
|
|
2115 | void |
|
|
2116 | errno (aio_req grp, int errorno = errno) |
|
|
2117 | CODE: |
|
|
2118 | grp->errorno = errorno; |
|
|
2119 | |
|
|
2120 | void |
|
|
2121 | limit (aio_req grp, int limit) |
|
|
2122 | CODE: |
|
|
2123 | grp->int2 = limit; |
|
|
2124 | aio_grp_feed (grp); |
|
|
2125 | |
|
|
2126 | void |
|
|
2127 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
2128 | CODE: |
|
|
2129 | { |
|
|
2130 | SvREFCNT_dec (grp->sv2); |
|
|
2131 | grp->sv2 = newSVsv (callback); |
|
|
2132 | |
|
|
2133 | if (grp->int2 <= 0) |
|
|
2134 | grp->int2 = 2; |
|
|
2135 | |
|
|
2136 | aio_grp_feed (grp); |
|
|
2137 | } |
|
|
2138 | |