1 | /* solaris */ |
1 | #include "xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
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18 | |
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19 | #include <pthread.h> |
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20 | |
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21 | #include <stddef.h> |
9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
22 | #include <errno.h> |
11 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
12 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
27 | #include <limits.h> |
14 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
15 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #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 |
32 | |
68 | |
33 | #if HAVE_SENDFILE |
69 | #if HAVE_SENDFILE |
34 | # if __linux |
70 | # if __linux |
35 | # include <sys/sendfile.h> |
71 | # include <sys/sendfile.h> |
36 | # elif __freebsd |
72 | # elif __freebsd |
… | |
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43 | # else |
79 | # else |
44 | # error sendfile support requested but not available |
80 | # error sendfile support requested but not available |
45 | # endif |
81 | # endif |
46 | #endif |
82 | #endif |
47 | |
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 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
87 | /* used for struct dirent, AIX doesn't provide it */ |
49 | #ifndef NAME_MAX |
88 | #ifndef NAME_MAX |
50 | # define NAME_MAX 4096 |
89 | # define NAME_MAX 4096 |
51 | #endif |
90 | #endif |
52 | |
91 | |
53 | #ifndef PTHREAD_STACK_MIN |
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54 | /* care for broken platforms, e.g. windows */ |
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55 | # define PTHREAD_STACK_MIN 16384 |
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56 | #endif |
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57 | |
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58 | #if __ia64 |
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59 | # define STACKSIZE 65536 |
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60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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61 | # define STACKSIZE PTHREAD_STACK_MIN |
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62 | #else |
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63 | # define STACKSIZE 16384 |
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64 | #endif |
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65 | |
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66 | /* wether word reads are potentially non-atomic. |
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67 | * this is conservatice, likely most arches this runs |
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68 | * on have atomic word read/writes. |
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69 | */ |
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70 | #ifndef WORDREAD_UNSAFE |
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71 | # if __i386 || __x86_64 |
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72 | # define WORDREAD_UNSAFE 0 |
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73 | # else |
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74 | # define WORDREAD_UNSAFE 1 |
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75 | # endif |
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76 | #endif |
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77 | |
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78 | /* buffer size for various temporary buffers */ |
92 | /* buffer size for various temporary buffers */ |
79 | #define AIO_BUFSIZE 65536 |
93 | #define AIO_BUFSIZE 65536 |
80 | |
94 | |
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95 | /* use NV for 32 bit perls as it allows larger offsets */ |
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96 | #if IVSIZE >= 8 |
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97 | # define SvVAL64 SvIV |
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98 | #else |
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99 | # define SvVAL64 SvNV |
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100 | #endif |
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101 | |
81 | #define dBUF \ |
102 | #define dBUF \ |
82 | char *aio_buf; \ |
103 | char *aio_buf; \ |
83 | LOCK (wrklock); \ |
104 | X_LOCK (wrklock); \ |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
105 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
85 | UNLOCK (wrklock); \ |
106 | X_UNLOCK (wrklock); \ |
86 | if (!aio_buf) \ |
107 | if (!aio_buf) \ |
87 | return -1; |
108 | return -1; |
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109 | |
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110 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
88 | |
111 | |
89 | enum { |
112 | enum { |
90 | REQ_QUIT, |
113 | REQ_QUIT, |
91 | REQ_OPEN, REQ_CLOSE, |
114 | REQ_OPEN, REQ_CLOSE, |
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
115 | REQ_READ, REQ_WRITE, |
93 | REQ_SENDFILE, |
116 | REQ_READAHEAD, REQ_SENDFILE, |
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
117 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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118 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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119 | REQ_UTIME, REQ_FUTIME, |
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120 | REQ_CHMOD, REQ_FCHMOD, |
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121 | REQ_CHOWN, REQ_FCHOWN, |
95 | REQ_FSYNC, REQ_FDATASYNC, |
122 | REQ_FSYNC, REQ_FDATASYNC, |
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
123 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
97 | REQ_MKNOD, REQ_READDIR, |
124 | REQ_MKNOD, REQ_READDIR, |
98 | REQ_LINK, REQ_SYMLINK, |
125 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
99 | REQ_GROUP, REQ_NOP, |
126 | REQ_GROUP, REQ_NOP, |
100 | REQ_BUSY, |
127 | REQ_BUSY, |
101 | }; |
128 | }; |
102 | |
129 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
130 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
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105 | |
132 | |
106 | typedef struct aio_cb |
133 | typedef struct aio_cb |
107 | { |
134 | { |
108 | struct aio_cb *volatile next; |
135 | struct aio_cb *volatile next; |
109 | |
136 | |
110 | SV *data, *callback; |
137 | SV *callback; |
111 | SV *fh, *fh2; |
138 | SV *sv1, *sv2; |
112 | void *dataptr, *data2ptr; |
139 | void *ptr1, *ptr2; |
113 | Stat_t *statdata; |
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114 | off_t offset; |
140 | off_t offs; |
115 | size_t length; |
141 | size_t size; |
116 | ssize_t result; |
142 | ssize_t result; |
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143 | double nv1, nv2; |
117 | |
144 | |
118 | STRLEN dataoffset; |
145 | STRLEN stroffset; |
119 | int type; |
146 | int type; |
120 | int fd, fd2; |
147 | int int1, int2, int3; |
121 | int errorno; |
148 | int errorno; |
122 | mode_t mode; /* open */ |
149 | mode_t mode; /* open */ |
123 | |
150 | |
124 | unsigned char flags; |
151 | unsigned char flags; |
125 | unsigned char pri; |
152 | unsigned char pri; |
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127 | SV *self; /* the perl counterpart of this request, if any */ |
154 | SV *self; /* the perl counterpart of this request, if any */ |
128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
155 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
129 | } aio_cb; |
156 | } aio_cb; |
130 | |
157 | |
131 | enum { |
158 | enum { |
132 | FLAG_CANCELLED = 0x01, |
159 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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160 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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161 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
133 | }; |
162 | }; |
134 | |
163 | |
135 | typedef aio_cb *aio_req; |
164 | typedef aio_cb *aio_req; |
136 | typedef aio_cb *aio_req_ornot; |
165 | typedef aio_cb *aio_req_ornot; |
137 | |
166 | |
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142 | DEFAULT_PRI = 0, |
171 | DEFAULT_PRI = 0, |
143 | PRI_BIAS = -PRI_MIN, |
172 | PRI_BIAS = -PRI_MIN, |
144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
173 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
145 | }; |
174 | }; |
146 | |
175 | |
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176 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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177 | |
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178 | static unsigned int max_poll_time = 0; |
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179 | static unsigned int max_poll_reqs = 0; |
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180 | |
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181 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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182 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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183 | { |
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184 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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185 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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186 | } |
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187 | |
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188 | static thread_t main_tid; |
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189 | static int main_sig; |
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190 | static int block_sig_level; |
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191 | |
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192 | void block_sig () |
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193 | { |
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194 | sigset_t ss; |
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195 | |
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196 | if (block_sig_level++) |
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197 | return; |
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198 | |
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199 | if (!main_sig) |
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200 | return; |
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201 | |
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202 | sigemptyset (&ss); |
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203 | sigaddset (&ss, main_sig); |
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204 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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205 | } |
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206 | |
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207 | void unblock_sig () |
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208 | { |
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209 | sigset_t ss; |
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210 | |
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211 | if (--block_sig_level) |
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212 | return; |
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213 | |
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214 | if (!main_sig) |
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215 | return; |
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216 | |
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217 | sigemptyset (&ss); |
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218 | sigaddset (&ss, main_sig); |
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219 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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220 | } |
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221 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
222 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
148 | |
223 | |
149 | static unsigned int started, wanted; |
224 | static unsigned int started, idle, wanted; |
150 | |
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151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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153 | #else |
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154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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155 | #endif |
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156 | |
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157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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159 | |
225 | |
160 | /* worker threads management */ |
226 | /* worker threads management */ |
161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
227 | static mutex_t wrklock = X_MUTEX_INIT; |
162 | |
228 | |
163 | typedef struct worker { |
229 | typedef struct worker { |
164 | /* locked by wrklock */ |
230 | /* locked by wrklock */ |
165 | struct worker *prev, *next; |
231 | struct worker *prev, *next; |
166 | |
232 | |
167 | pthread_t tid; |
233 | thread_t tid; |
168 | |
234 | |
169 | /* locked by reslock, reqlock or wrklock */ |
235 | /* locked by reslock, reqlock or wrklock */ |
170 | aio_req req; /* currently processed request */ |
236 | aio_req req; /* currently processed request */ |
171 | void *dbuf; |
237 | void *dbuf; |
172 | DIR *dirp; |
238 | DIR *dirp; |
… | |
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196 | |
262 | |
197 | free (wrk); |
263 | free (wrk); |
198 | } |
264 | } |
199 | |
265 | |
200 | static volatile unsigned int nreqs, nready, npending; |
266 | static volatile unsigned int nreqs, nready, npending; |
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267 | static volatile unsigned int max_idle = 4; |
201 | static volatile unsigned int max_outstanding = 0xffffffff; |
268 | static volatile unsigned int max_outstanding = 0xffffffff; |
202 | static int respipe [2]; |
269 | static int respipe [2], respipe_osf [2]; |
203 | |
270 | |
204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
271 | static mutex_t reslock = X_MUTEX_INIT; |
205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
272 | static mutex_t reqlock = X_MUTEX_INIT; |
206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
273 | static cond_t reqwait = X_COND_INIT; |
207 | |
274 | |
208 | #if WORDREAD_UNSAFE |
275 | #if WORDACCESS_UNSAFE |
209 | |
276 | |
210 | static unsigned int get_nready () |
277 | static unsigned int get_nready () |
211 | { |
278 | { |
212 | unsigned int retval; |
279 | unsigned int retval; |
213 | |
280 | |
214 | LOCK (reqlock); |
281 | X_LOCK (reqlock); |
215 | retval = nready; |
282 | retval = nready; |
216 | UNLOCK (reqlock); |
283 | X_UNLOCK (reqlock); |
217 | |
284 | |
218 | return retval; |
285 | return retval; |
219 | } |
286 | } |
220 | |
287 | |
221 | static unsigned int get_npending () |
288 | static unsigned int get_npending () |
222 | { |
289 | { |
223 | unsigned int retval; |
290 | unsigned int retval; |
224 | |
291 | |
225 | LOCK (reslock); |
292 | X_LOCK (reslock); |
226 | retval = npending; |
293 | retval = npending; |
227 | UNLOCK (reslock); |
294 | X_UNLOCK (reslock); |
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295 | |
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296 | return retval; |
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297 | } |
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298 | |
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299 | static unsigned int get_nthreads () |
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300 | { |
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301 | unsigned int retval; |
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302 | |
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303 | X_LOCK (wrklock); |
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304 | retval = started; |
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305 | X_UNLOCK (wrklock); |
228 | |
306 | |
229 | return retval; |
307 | return retval; |
230 | } |
308 | } |
231 | |
309 | |
232 | #else |
310 | #else |
233 | |
311 | |
234 | # define get_nready() nready |
312 | # define get_nready() nready |
235 | # define get_npending() npending |
313 | # define get_npending() npending |
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314 | # define get_nthreads() started |
236 | |
315 | |
237 | #endif |
316 | #endif |
238 | |
317 | |
239 | /* |
318 | /* |
240 | * a somewhat faster data structure might be nice, but |
319 | * a somewhat faster data structure might be nice, but |
… | |
… | |
288 | } |
367 | } |
289 | |
368 | |
290 | abort (); |
369 | abort (); |
291 | } |
370 | } |
292 | |
371 | |
293 | static int poll_cb (int max); |
372 | static int poll_cb (); |
294 | static void req_invoke (aio_req req); |
373 | static int req_invoke (aio_req req); |
295 | static void req_free (aio_req req); |
374 | static void req_destroy (aio_req req); |
296 | static void req_cancel (aio_req req); |
375 | static void req_cancel (aio_req req); |
297 | |
376 | |
298 | /* must be called at most once */ |
377 | /* must be called at most once */ |
299 | static SV *req_sv (aio_req req, const char *klass) |
378 | static SV *req_sv (aio_req req, const char *klass) |
300 | { |
379 | { |
… | |
… | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
398 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
399 | } |
321 | |
400 | |
322 | static void aio_grp_feed (aio_req grp) |
401 | static void aio_grp_feed (aio_req grp) |
323 | { |
402 | { |
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403 | block_sig (); |
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404 | |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
405 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
325 | { |
406 | { |
326 | int old_len = grp->length; |
407 | int old_len = grp->size; |
327 | |
408 | |
328 | if (grp->fh2 && SvOK (grp->fh2)) |
409 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
410 | { |
330 | dSP; |
411 | dSP; |
331 | |
412 | |
332 | ENTER; |
413 | ENTER; |
333 | SAVETMPS; |
414 | SAVETMPS; |
334 | PUSHMARK (SP); |
415 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
416 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
336 | PUTBACK; |
417 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
418 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
419 | SPAGAIN; |
339 | FREETMPS; |
420 | FREETMPS; |
340 | LEAVE; |
421 | LEAVE; |
341 | } |
422 | } |
342 | |
423 | |
343 | /* stop if no progress has been made */ |
424 | /* stop if no progress has been made */ |
344 | if (old_len == grp->length) |
425 | if (old_len == grp->size) |
345 | { |
426 | { |
346 | SvREFCNT_dec (grp->fh2); |
427 | SvREFCNT_dec (grp->sv2); |
347 | grp->fh2 = 0; |
428 | grp->sv2 = 0; |
348 | break; |
429 | break; |
349 | } |
430 | } |
350 | } |
431 | } |
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432 | |
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433 | unblock_sig (); |
351 | } |
434 | } |
352 | |
435 | |
353 | static void aio_grp_dec (aio_req grp) |
436 | static void aio_grp_dec (aio_req grp) |
354 | { |
437 | { |
355 | --grp->length; |
438 | --grp->size; |
356 | |
439 | |
357 | /* call feeder, if applicable */ |
440 | /* call feeder, if applicable */ |
358 | aio_grp_feed (grp); |
441 | aio_grp_feed (grp); |
359 | |
442 | |
360 | /* finish, if done */ |
443 | /* finish, if done */ |
361 | if (!grp->length && grp->fd) |
444 | if (!grp->size && grp->int1) |
362 | { |
445 | { |
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446 | block_sig (); |
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447 | |
363 | req_invoke (grp); |
448 | if (!req_invoke (grp)) |
|
|
449 | { |
|
|
450 | req_destroy (grp); |
|
|
451 | unblock_sig (); |
|
|
452 | croak (0); |
|
|
453 | } |
|
|
454 | |
364 | req_free (grp); |
455 | req_destroy (grp); |
|
|
456 | unblock_sig (); |
365 | } |
457 | } |
366 | } |
458 | } |
367 | |
459 | |
368 | static void req_invoke (aio_req req) |
460 | static int req_invoke (aio_req req) |
369 | { |
461 | { |
370 | dSP; |
462 | dSP; |
|
|
463 | |
|
|
464 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
465 | SvREADONLY_off (req->sv2); |
371 | |
466 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
467 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
373 | { |
468 | { |
374 | ENTER; |
469 | ENTER; |
375 | SAVETMPS; |
470 | SAVETMPS; |
… | |
… | |
383 | SV *rv = &PL_sv_undef; |
478 | SV *rv = &PL_sv_undef; |
384 | |
479 | |
385 | if (req->result >= 0) |
480 | if (req->result >= 0) |
386 | { |
481 | { |
387 | int i; |
482 | int i; |
388 | char *buf = req->data2ptr; |
483 | char *buf = req->ptr2; |
389 | AV *av = newAV (); |
484 | AV *av = newAV (); |
390 | |
485 | |
391 | av_extend (av, req->result - 1); |
486 | av_extend (av, req->result - 1); |
392 | |
487 | |
393 | for (i = 0; i < req->result; ++i) |
488 | for (i = 0; i < req->result; ++i) |
… | |
… | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
508 | PUSHs (sv_2mortal (newSViv (req->result))); |
414 | PUTBACK; |
509 | PUTBACK; |
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
510 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
416 | SPAGAIN; |
511 | SPAGAIN; |
417 | |
512 | |
418 | fh = SvREFCNT_inc (POPs); |
513 | fh = POPs; |
419 | |
|
|
420 | PUSHMARK (SP); |
514 | PUSHMARK (SP); |
421 | XPUSHs (sv_2mortal (fh)); |
515 | XPUSHs (fh); |
422 | } |
516 | } |
423 | break; |
517 | break; |
424 | |
518 | |
425 | case REQ_GROUP: |
519 | case REQ_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
520 | req->int1 = 2; /* mark group as finished */ |
427 | |
521 | |
428 | if (req->data) |
522 | if (req->sv1) |
429 | { |
523 | { |
430 | int i; |
524 | int i; |
431 | AV *av = (AV *)req->data; |
525 | AV *av = (AV *)req->sv1; |
432 | |
526 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
527 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
528 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
529 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
530 | } |
… | |
… | |
438 | |
532 | |
439 | case REQ_NOP: |
533 | case REQ_NOP: |
440 | case REQ_BUSY: |
534 | case REQ_BUSY: |
441 | break; |
535 | break; |
442 | |
536 | |
|
|
537 | case REQ_READLINK: |
|
|
538 | if (req->result > 0) |
|
|
539 | { |
|
|
540 | SvCUR_set (req->sv2, req->result); |
|
|
541 | *SvEND (req->sv2) = 0; |
|
|
542 | PUSHs (req->sv2); |
|
|
543 | } |
|
|
544 | break; |
|
|
545 | |
|
|
546 | case REQ_STAT: |
|
|
547 | case REQ_LSTAT: |
|
|
548 | case REQ_FSTAT: |
|
|
549 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
550 | PL_laststatval = req->result; |
|
|
551 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
552 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
553 | break; |
|
|
554 | |
|
|
555 | case REQ_READ: |
|
|
556 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
557 | *SvEND (req->sv2) = 0; |
|
|
558 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
559 | break; |
|
|
560 | |
443 | default: |
561 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
562 | PUSHs (sv_2mortal (newSViv (req->result))); |
445 | break; |
563 | break; |
446 | } |
564 | } |
447 | |
565 | |
… | |
… | |
467 | grp->grp_first = req->grp_next; |
585 | grp->grp_first = req->grp_next; |
468 | |
586 | |
469 | aio_grp_dec (grp); |
587 | aio_grp_dec (grp); |
470 | } |
588 | } |
471 | |
589 | |
472 | if (SvTRUE (ERRSV)) |
590 | return !SvTRUE (ERRSV); |
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
591 | } |
478 | |
592 | |
479 | static void req_free (aio_req req) |
593 | static void req_destroy (aio_req req) |
480 | { |
594 | { |
481 | if (req->self) |
595 | if (req->self) |
482 | { |
596 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
597 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
598 | SvREFCNT_dec (req->self); |
485 | } |
599 | } |
486 | |
600 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
601 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
602 | SvREFCNT_dec (req->sv2); |
490 | SvREFCNT_dec (req->callback); |
603 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
604 | |
493 | if (req->type == REQ_READDIR) |
605 | if (req->flags & FLAG_PTR2_FREE) |
494 | free (req->data2ptr); |
606 | free (req->ptr2); |
495 | |
607 | |
496 | Safefree (req); |
608 | Safefree (req); |
497 | } |
609 | } |
498 | |
610 | |
499 | static void req_cancel_subs (aio_req grp) |
611 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
501 | aio_req sub; |
613 | aio_req sub; |
502 | |
614 | |
503 | if (grp->type != REQ_GROUP) |
615 | if (grp->type != REQ_GROUP) |
504 | return; |
616 | return; |
505 | |
617 | |
506 | SvREFCNT_dec (grp->fh2); |
618 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
619 | grp->sv2 = 0; |
508 | |
620 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
621 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
510 | req_cancel (sub); |
622 | req_cancel (sub); |
511 | } |
623 | } |
512 | |
624 | |
… | |
… | |
515 | req->flags |= FLAG_CANCELLED; |
627 | req->flags |= FLAG_CANCELLED; |
516 | |
628 | |
517 | req_cancel_subs (req); |
629 | req_cancel_subs (req); |
518 | } |
630 | } |
519 | |
631 | |
520 | static void *aio_proc(void *arg); |
632 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
633 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
634 | #else |
|
|
635 | # define TO_SOCKET(x) (x) |
|
|
636 | #endif |
|
|
637 | |
|
|
638 | static void |
|
|
639 | create_pipe (int fd[2]) |
|
|
640 | { |
|
|
641 | #ifdef _WIN32 |
|
|
642 | int arg = 1; |
|
|
643 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd) |
|
|
644 | || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg) |
|
|
645 | || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg)) |
|
|
646 | #else |
|
|
647 | if (pipe (fd) |
|
|
648 | || fcntl (fd [0], F_SETFL, O_NONBLOCK) |
|
|
649 | || fcntl (fd [1], F_SETFL, O_NONBLOCK)) |
|
|
650 | #endif |
|
|
651 | croak ("unable to initialize result pipe"); |
|
|
652 | |
|
|
653 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
654 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
655 | } |
|
|
656 | |
|
|
657 | X_THREAD_PROC (aio_proc); |
521 | |
658 | |
522 | static void start_thread (void) |
659 | static void start_thread (void) |
523 | { |
660 | { |
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
661 | worker *wrk = calloc (1, sizeof (worker)); |
528 | |
662 | |
529 | if (!wrk) |
663 | if (!wrk) |
530 | croak ("unable to allocate worker thread data"); |
664 | croak ("unable to allocate worker thread data"); |
531 | |
665 | |
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
666 | X_LOCK (wrklock); |
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
667 | |
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
668 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
545 | { |
669 | { |
546 | wrk->prev = &wrk_first; |
670 | wrk->prev = &wrk_first; |
547 | wrk->next = wrk_first.next; |
671 | wrk->next = wrk_first.next; |
548 | wrk_first.next->prev = wrk; |
672 | wrk_first.next->prev = wrk; |
549 | wrk_first.next = wrk; |
673 | wrk_first.next = wrk; |
550 | ++started; |
674 | ++started; |
551 | } |
675 | } |
552 | else |
676 | else |
553 | free (wrk); |
677 | free (wrk); |
554 | |
678 | |
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
679 | X_UNLOCK (wrklock); |
557 | } |
680 | } |
558 | |
681 | |
559 | static void maybe_start_thread () |
682 | static void maybe_start_thread () |
560 | { |
683 | { |
561 | #if 0 |
684 | if (get_nthreads () >= wanted) |
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
685 | return; |
568 | |
686 | |
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
687 | /* todo: maybe use idle here, but might be less exact */ |
|
|
688 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
570 | return; |
689 | return; |
571 | |
690 | |
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
691 | start_thread (); |
591 | } |
692 | } |
592 | |
693 | |
593 | static void req_send (aio_req req) |
694 | static void req_send (aio_req req) |
594 | { |
695 | { |
|
|
696 | block_sig (); |
|
|
697 | |
595 | ++nreqs; |
698 | ++nreqs; |
596 | |
699 | |
597 | LOCK (reqlock); |
700 | X_LOCK (reqlock); |
598 | ++nready; |
701 | ++nready; |
599 | reqq_push (&req_queue, req); |
702 | reqq_push (&req_queue, req); |
600 | pthread_cond_signal (&reqwait); |
703 | X_COND_SIGNAL (reqwait); |
601 | UNLOCK (reqlock); |
704 | X_UNLOCK (reqlock); |
|
|
705 | |
|
|
706 | unblock_sig (); |
602 | |
707 | |
603 | maybe_start_thread (); |
708 | maybe_start_thread (); |
604 | } |
709 | } |
605 | |
710 | |
606 | static void end_thread (void) |
711 | static void end_thread (void) |
… | |
… | |
610 | Newz (0, req, 1, aio_cb); |
715 | Newz (0, req, 1, aio_cb); |
611 | |
716 | |
612 | req->type = REQ_QUIT; |
717 | req->type = REQ_QUIT; |
613 | req->pri = PRI_MAX + PRI_BIAS; |
718 | req->pri = PRI_MAX + PRI_BIAS; |
614 | |
719 | |
615 | req_send (req); |
720 | X_LOCK (reqlock); |
|
|
721 | reqq_push (&req_queue, req); |
|
|
722 | X_COND_SIGNAL (reqwait); |
|
|
723 | X_UNLOCK (reqlock); |
616 | |
724 | |
617 | LOCK (wrklock); |
725 | X_LOCK (wrklock); |
618 | --started; |
726 | --started; |
619 | UNLOCK (wrklock); |
727 | X_UNLOCK (wrklock); |
|
|
728 | } |
|
|
729 | |
|
|
730 | static void set_max_idle (int nthreads) |
|
|
731 | { |
|
|
732 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
733 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
734 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
620 | } |
735 | } |
621 | |
736 | |
622 | static void min_parallel (int nthreads) |
737 | static void min_parallel (int nthreads) |
623 | { |
738 | { |
624 | if (wanted < nthreads) |
739 | if (wanted < nthreads) |
… | |
… | |
639 | fd_set rfd; |
754 | fd_set rfd; |
640 | |
755 | |
641 | while (nreqs) |
756 | while (nreqs) |
642 | { |
757 | { |
643 | int size; |
758 | int size; |
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
759 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
645 | size = res_queue.size; |
760 | size = res_queue.size; |
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
761 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
647 | |
762 | |
648 | if (size) |
763 | if (size) |
649 | return; |
764 | return; |
650 | |
765 | |
651 | maybe_start_thread (); |
766 | maybe_start_thread (); |
652 | |
767 | |
653 | FD_ZERO(&rfd); |
768 | FD_ZERO (&rfd); |
654 | FD_SET(respipe [0], &rfd); |
769 | FD_SET (respipe [0], &rfd); |
655 | |
770 | |
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
771 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
657 | } |
772 | } |
658 | } |
773 | } |
659 | |
774 | |
660 | static int poll_cb (int max) |
775 | static int poll_cb () |
661 | { |
776 | { |
662 | dSP; |
777 | dSP; |
663 | int count = 0; |
778 | int count = 0; |
|
|
779 | int maxreqs = max_poll_reqs; |
664 | int do_croak = 0; |
780 | int do_croak = 0; |
|
|
781 | struct timeval tv_start, tv_now; |
665 | aio_req req; |
782 | aio_req req; |
|
|
783 | |
|
|
784 | if (max_poll_time) |
|
|
785 | gettimeofday (&tv_start, 0); |
|
|
786 | |
|
|
787 | block_sig (); |
666 | |
788 | |
667 | for (;;) |
789 | for (;;) |
668 | { |
790 | { |
669 | while (max <= 0 || count < max) |
791 | for (;;) |
670 | { |
792 | { |
671 | maybe_start_thread (); |
793 | maybe_start_thread (); |
672 | |
794 | |
673 | LOCK (reslock); |
795 | X_LOCK (reslock); |
674 | req = reqq_shift (&res_queue); |
796 | req = reqq_shift (&res_queue); |
675 | |
797 | |
676 | if (req) |
798 | if (req) |
677 | { |
799 | { |
678 | --npending; |
800 | --npending; |
679 | |
801 | |
680 | if (!res_queue.size) |
802 | if (!res_queue.size) |
681 | { |
803 | { |
682 | /* read any signals sent by the worker threads */ |
804 | /* read any signals sent by the worker threads */ |
683 | char buf [32]; |
805 | char buf [4]; |
684 | while (read (respipe [0], buf, 32) == 32) |
806 | while (PerlSock_recv (respipe [0], buf, 4, 0) == 4) |
685 | ; |
807 | ; |
686 | } |
808 | } |
687 | } |
809 | } |
688 | |
810 | |
689 | UNLOCK (reslock); |
811 | X_UNLOCK (reslock); |
690 | |
812 | |
691 | if (!req) |
813 | if (!req) |
692 | break; |
814 | break; |
693 | |
815 | |
694 | --nreqs; |
816 | --nreqs; |
695 | |
817 | |
696 | if (req->type == REQ_GROUP && req->length) |
818 | if (req->type == REQ_GROUP && req->size) |
697 | { |
819 | { |
698 | req->fd = 1; /* mark request as delayed */ |
820 | req->int1 = 1; /* mark request as delayed */ |
699 | continue; |
821 | continue; |
700 | } |
822 | } |
701 | else |
823 | else |
702 | { |
824 | { |
703 | if (req->type == REQ_READ) |
825 | if (!req_invoke (req)) |
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
826 | { |
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
827 | req_destroy (req); |
712 | PL_laststatval = req->result; |
828 | unblock_sig (); |
713 | PL_statcache = *(req->statdata); |
829 | croak (0); |
714 | } |
830 | } |
715 | |
|
|
716 | req_invoke (req); |
|
|
717 | |
831 | |
718 | count++; |
832 | count++; |
719 | } |
833 | } |
720 | |
834 | |
721 | req_free (req); |
835 | req_destroy (req); |
|
|
836 | |
|
|
837 | if (maxreqs && !--maxreqs) |
|
|
838 | break; |
|
|
839 | |
|
|
840 | if (max_poll_time) |
|
|
841 | { |
|
|
842 | gettimeofday (&tv_now, 0); |
|
|
843 | |
|
|
844 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
845 | break; |
|
|
846 | } |
722 | } |
847 | } |
723 | |
848 | |
724 | if (nreqs <= max_outstanding) |
849 | if (nreqs <= max_outstanding) |
725 | break; |
850 | break; |
726 | |
851 | |
727 | poll_wait (); |
852 | poll_wait (); |
728 | |
853 | |
729 | max = 0; |
854 | ++maxreqs; |
730 | } |
855 | } |
731 | |
856 | |
|
|
857 | unblock_sig (); |
732 | return count; |
858 | return count; |
733 | } |
|
|
734 | |
|
|
735 | static void create_pipe () |
|
|
736 | { |
|
|
737 | if (pipe (respipe)) |
|
|
738 | croak ("unable to initialize result pipe"); |
|
|
739 | |
|
|
740 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
741 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
742 | |
|
|
743 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
744 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
745 | } |
859 | } |
746 | |
860 | |
747 | /*****************************************************************************/ |
861 | /*****************************************************************************/ |
748 | /* work around various missing functions */ |
862 | /* work around various missing functions */ |
749 | |
863 | |
… | |
… | |
754 | /* |
868 | /* |
755 | * make our pread/pwrite safe against themselves, but not against |
869 | * make our pread/pwrite safe against themselves, but not against |
756 | * normal read/write by using a mutex. slows down execution a lot, |
870 | * normal read/write by using a mutex. slows down execution a lot, |
757 | * but that's your problem, not mine. |
871 | * but that's your problem, not mine. |
758 | */ |
872 | */ |
759 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
873 | static mutex_t preadwritelock = X_MUTEX_INIT; |
760 | |
874 | |
761 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
875 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
762 | { |
876 | { |
763 | ssize_t res; |
877 | ssize_t res; |
764 | off_t ooffset; |
878 | off_t ooffset; |
765 | |
879 | |
766 | LOCK (preadwritelock); |
880 | X_LOCK (preadwritelock); |
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
881 | ooffset = lseek (fd, 0, SEEK_CUR); |
768 | lseek (fd, offset, SEEK_SET); |
882 | lseek (fd, offset, SEEK_SET); |
769 | res = read (fd, buf, count); |
883 | res = read (fd, buf, count); |
770 | lseek (fd, ooffset, SEEK_SET); |
884 | lseek (fd, ooffset, SEEK_SET); |
771 | UNLOCK (preadwritelock); |
885 | X_UNLOCK (preadwritelock); |
772 | |
886 | |
773 | return res; |
887 | return res; |
774 | } |
888 | } |
775 | |
889 | |
776 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
890 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
777 | { |
891 | { |
778 | ssize_t res; |
892 | ssize_t res; |
779 | off_t ooffset; |
893 | off_t ooffset; |
780 | |
894 | |
781 | LOCK (preadwritelock); |
895 | X_LOCK (preadwritelock); |
782 | ooffset = lseek (fd, 0, SEEK_CUR); |
896 | ooffset = lseek (fd, 0, SEEK_CUR); |
783 | lseek (fd, offset, SEEK_SET); |
897 | lseek (fd, offset, SEEK_SET); |
784 | res = write (fd, buf, count); |
898 | res = write (fd, buf, count); |
785 | lseek (fd, offset, SEEK_SET); |
899 | lseek (fd, offset, SEEK_SET); |
786 | UNLOCK (preadwritelock); |
900 | X_UNLOCK (preadwritelock); |
787 | |
901 | |
788 | return res; |
902 | return res; |
789 | } |
903 | } |
|
|
904 | #endif |
|
|
905 | |
|
|
906 | #ifndef HAVE_FUTIMES |
|
|
907 | |
|
|
908 | # define utimes(path,times) aio_utimes (path, times) |
|
|
909 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
910 | |
|
|
911 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
912 | { |
|
|
913 | if (times) |
|
|
914 | { |
|
|
915 | struct utimbuf buf; |
|
|
916 | |
|
|
917 | buf.actime = times[0].tv_sec; |
|
|
918 | buf.modtime = times[1].tv_sec; |
|
|
919 | |
|
|
920 | return utime (filename, &buf); |
|
|
921 | } |
|
|
922 | else |
|
|
923 | return utime (filename, 0); |
|
|
924 | } |
|
|
925 | |
|
|
926 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
927 | { |
|
|
928 | errno = ENOSYS; |
|
|
929 | return -1; |
|
|
930 | } |
|
|
931 | |
790 | #endif |
932 | #endif |
791 | |
933 | |
792 | #if !HAVE_FDATASYNC |
934 | #if !HAVE_FDATASYNC |
793 | # define fdatasync fsync |
935 | # define fdatasync fsync |
794 | #endif |
936 | #endif |
… | |
… | |
796 | #if !HAVE_READAHEAD |
938 | #if !HAVE_READAHEAD |
797 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
939 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
798 | |
940 | |
799 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
941 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
800 | { |
942 | { |
|
|
943 | size_t todo = count; |
801 | dBUF; |
944 | dBUF; |
802 | |
945 | |
803 | while (count > 0) |
946 | while (todo > 0) |
804 | { |
947 | { |
805 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
948 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
806 | |
949 | |
807 | pread (fd, aio_buf, len, offset); |
950 | pread (fd, aio_buf, len, offset); |
808 | offset += len; |
951 | offset += len; |
809 | count -= len; |
952 | todo -= len; |
810 | } |
953 | } |
811 | |
954 | |
812 | errno = 0; |
955 | errno = 0; |
|
|
956 | return count; |
813 | } |
957 | } |
814 | |
958 | |
815 | #endif |
959 | #endif |
816 | |
960 | |
817 | #if !HAVE_READDIR_R |
961 | #if !HAVE_READDIR_R |
818 | # define readdir_r aio_readdir_r |
962 | # define readdir_r aio_readdir_r |
819 | |
963 | |
820 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
964 | static mutex_t readdirlock = X_MUTEX_INIT; |
821 | |
965 | |
822 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
966 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
823 | { |
967 | { |
824 | struct dirent *e; |
968 | X_DIRENT *e; |
825 | int errorno; |
969 | int errorno; |
826 | |
970 | |
827 | LOCK (readdirlock); |
971 | X_LOCK (readdirlock); |
828 | |
972 | |
829 | e = readdir (dirp); |
973 | e = readdir (dirp); |
830 | errorno = errno; |
974 | errorno = errno; |
831 | |
975 | |
832 | if (e) |
976 | if (e) |
… | |
… | |
835 | strcpy (ent->d_name, e->d_name); |
979 | strcpy (ent->d_name, e->d_name); |
836 | } |
980 | } |
837 | else |
981 | else |
838 | *res = 0; |
982 | *res = 0; |
839 | |
983 | |
840 | UNLOCK (readdirlock); |
984 | X_UNLOCK (readdirlock); |
841 | |
985 | |
842 | errno = errorno; |
986 | errno = errorno; |
843 | return e ? 0 : -1; |
987 | return e ? 0 : -1; |
844 | } |
988 | } |
845 | #endif |
989 | #endif |
… | |
… | |
941 | static void scandir_ (aio_req req, worker *self) |
1085 | static void scandir_ (aio_req req, worker *self) |
942 | { |
1086 | { |
943 | DIR *dirp; |
1087 | DIR *dirp; |
944 | union |
1088 | union |
945 | { |
1089 | { |
946 | struct dirent d; |
1090 | X_DIRENT d; |
947 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1091 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
948 | } *u; |
1092 | } *u; |
949 | struct dirent *entp; |
1093 | X_DIRENT *entp; |
950 | char *name, *names; |
1094 | char *name, *names; |
951 | int memlen = 4096; |
1095 | int memlen = 4096; |
952 | int memofs = 0; |
1096 | int memofs = 0; |
953 | int res = 0; |
1097 | int res = 0; |
954 | int errorno; |
|
|
955 | |
1098 | |
956 | LOCK (wrklock); |
1099 | X_LOCK (wrklock); |
957 | self->dirp = dirp = opendir (req->dataptr); |
1100 | self->dirp = dirp = opendir (req->ptr1); |
958 | self->dbuf = u = malloc (sizeof (*u)); |
1101 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1102 | req->flags |= FLAG_PTR2_FREE; |
959 | req->data2ptr = names = malloc (memlen); |
1103 | req->ptr2 = names = malloc (memlen); |
960 | UNLOCK (wrklock); |
1104 | X_UNLOCK (wrklock); |
961 | |
1105 | |
962 | if (dirp && u && names) |
1106 | if (dirp && u && names) |
963 | for (;;) |
1107 | for (;;) |
964 | { |
1108 | { |
965 | errno = 0; |
1109 | errno = 0; |
… | |
… | |
977 | res++; |
1121 | res++; |
978 | |
1122 | |
979 | while (memofs + len > memlen) |
1123 | while (memofs + len > memlen) |
980 | { |
1124 | { |
981 | memlen *= 2; |
1125 | memlen *= 2; |
982 | LOCK (wrklock); |
1126 | X_LOCK (wrklock); |
983 | req->data2ptr = names = realloc (names, memlen); |
1127 | req->ptr2 = names = realloc (names, memlen); |
984 | UNLOCK (wrklock); |
1128 | X_UNLOCK (wrklock); |
985 | |
1129 | |
986 | if (!names) |
1130 | if (!names) |
987 | break; |
1131 | break; |
988 | } |
1132 | } |
989 | |
1133 | |
… | |
… | |
998 | req->result = res; |
1142 | req->result = res; |
999 | } |
1143 | } |
1000 | |
1144 | |
1001 | /*****************************************************************************/ |
1145 | /*****************************************************************************/ |
1002 | |
1146 | |
1003 | static void *aio_proc (void *thr_arg) |
1147 | X_THREAD_PROC (aio_proc) |
1004 | { |
1148 | { |
|
|
1149 | {//D |
1005 | aio_req req; |
1150 | aio_req req; |
|
|
1151 | struct timespec ts; |
1006 | worker *self = (worker *)thr_arg; |
1152 | worker *self = (worker *)thr_arg; |
|
|
1153 | |
|
|
1154 | /* try to distribute timeouts somewhat randomly */ |
|
|
1155 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1007 | |
1156 | |
1008 | for (;;) |
1157 | for (;;) |
1009 | { |
1158 | { |
|
|
1159 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1160 | |
1010 | LOCK (reqlock); |
1161 | X_LOCK (reqlock); |
1011 | |
1162 | |
1012 | for (;;) |
1163 | for (;;) |
1013 | { |
1164 | { |
1014 | self->req = req = reqq_shift (&req_queue); |
1165 | self->req = req = reqq_shift (&req_queue); |
1015 | |
1166 | |
1016 | if (req) |
1167 | if (req) |
1017 | break; |
1168 | break; |
1018 | |
1169 | |
1019 | pthread_cond_wait (&reqwait, &reqlock); |
1170 | ++idle; |
|
|
1171 | |
|
|
1172 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1173 | == ETIMEDOUT) |
|
|
1174 | { |
|
|
1175 | if (idle > max_idle) |
|
|
1176 | { |
|
|
1177 | --idle; |
|
|
1178 | X_UNLOCK (reqlock); |
|
|
1179 | X_LOCK (wrklock); |
|
|
1180 | --started; |
|
|
1181 | X_UNLOCK (wrklock); |
|
|
1182 | goto quit; |
|
|
1183 | } |
|
|
1184 | |
|
|
1185 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1186 | X_COND_WAIT (reqwait, reqlock); |
|
|
1187 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1188 | } |
|
|
1189 | |
|
|
1190 | --idle; |
1020 | } |
1191 | } |
1021 | |
1192 | |
1022 | --nready; |
1193 | --nready; |
1023 | |
1194 | |
1024 | UNLOCK (reqlock); |
1195 | X_UNLOCK (reqlock); |
1025 | |
1196 | |
1026 | errno = 0; /* strictly unnecessary */ |
1197 | errno = 0; /* strictly unnecessary */ |
1027 | |
1198 | |
1028 | if (!(req->flags & FLAG_CANCELLED)) |
1199 | if (!(req->flags & FLAG_CANCELLED)) |
1029 | switch (req->type) |
1200 | switch (req->type) |
1030 | { |
1201 | { |
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1202 | case REQ_READ: req->result = req->offs >= 0 |
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1203 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1204 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1205 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1206 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1207 | : write (req->int1, req->ptr1, req->size); break; |
1033 | |
1208 | |
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1209 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1210 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1036 | |
1211 | |
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1212 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1213 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1214 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1040 | |
1215 | |
|
|
1216 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1217 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1218 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1219 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1220 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1221 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1222 | |
1041 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1223 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1042 | case REQ_CLOSE: req->result = close (req->fd); break; |
1224 | case REQ_CLOSE: req->result = close (req->int1); break; |
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1225 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1226 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1227 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1228 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1229 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1230 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1048 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
1231 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1232 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1049 | |
1233 | |
1050 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1234 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1051 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1235 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1052 | case REQ_READDIR: scandir_ (req, self); break; |
1236 | case REQ_READDIR: scandir_ (req, self); break; |
1053 | |
1237 | |
1054 | case REQ_BUSY: |
1238 | case REQ_BUSY: |
|
|
1239 | #ifdef _WIN32 |
|
|
1240 | Sleep (req->nv1 * 1000.); |
|
|
1241 | #else |
1055 | { |
1242 | { |
1056 | struct timeval tv; |
1243 | struct timeval tv; |
1057 | |
1244 | |
1058 | tv.tv_sec = req->fd; |
1245 | tv.tv_sec = req->nv1; |
1059 | tv.tv_usec = req->fd2; |
1246 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
1060 | |
1247 | |
1061 | req->result = select (0, 0, 0, 0, &tv); |
1248 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1249 | } |
|
|
1250 | #endif |
|
|
1251 | break; |
|
|
1252 | |
|
|
1253 | case REQ_UTIME: |
|
|
1254 | case REQ_FUTIME: |
|
|
1255 | { |
|
|
1256 | struct timeval tv[2]; |
|
|
1257 | struct timeval *times; |
|
|
1258 | |
|
|
1259 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1260 | { |
|
|
1261 | tv[0].tv_sec = req->nv1; |
|
|
1262 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1263 | tv[1].tv_sec = req->nv2; |
|
|
1264 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1265 | |
|
|
1266 | times = tv; |
|
|
1267 | } |
|
|
1268 | else |
|
|
1269 | times = 0; |
|
|
1270 | |
|
|
1271 | |
|
|
1272 | req->result = req->type == REQ_FUTIME |
|
|
1273 | ? futimes (req->int1, times) |
|
|
1274 | : utimes (req->ptr1, times); |
1062 | } |
1275 | } |
1063 | |
1276 | |
1064 | case REQ_GROUP: |
1277 | case REQ_GROUP: |
1065 | case REQ_NOP: |
1278 | case REQ_NOP: |
1066 | break; |
1279 | break; |
1067 | |
1280 | |
1068 | case REQ_QUIT: |
1281 | case REQ_QUIT: |
1069 | LOCK (wrklock); |
1282 | goto quit; |
1070 | worker_free (self); |
|
|
1071 | --started; |
|
|
1072 | UNLOCK (wrklock); |
|
|
1073 | return 0; |
|
|
1074 | |
1283 | |
1075 | default: |
1284 | default: |
1076 | req->result = ENOSYS; |
1285 | req->result = -1; |
1077 | break; |
1286 | break; |
1078 | } |
1287 | } |
1079 | |
1288 | |
1080 | req->errorno = errno; |
1289 | req->errorno = errno; |
1081 | |
1290 | |
1082 | LOCK (reslock); |
1291 | X_LOCK (reslock); |
1083 | |
1292 | |
1084 | ++npending; |
1293 | ++npending; |
1085 | |
1294 | |
1086 | if (!reqq_push (&res_queue, req)) |
1295 | if (!reqq_push (&res_queue, req)) |
|
|
1296 | { |
1087 | /* write a dummy byte to the pipe so fh becomes ready */ |
1297 | /* write a dummy byte to the pipe so fh becomes ready */ |
1088 | write (respipe [1], &respipe, 1); |
1298 | send (respipe_osf [1], (const void *)&respipe_osf, 1, 0); |
|
|
1299 | |
|
|
1300 | /* optionally signal the main thread asynchronously */ |
|
|
1301 | if (main_sig) |
|
|
1302 | pthread_kill (main_tid, main_sig); |
|
|
1303 | } |
1089 | |
1304 | |
1090 | self->req = 0; |
1305 | self->req = 0; |
1091 | worker_clear (self); |
1306 | worker_clear (self); |
1092 | |
1307 | |
1093 | UNLOCK (reslock); |
1308 | X_UNLOCK (reslock); |
1094 | } |
1309 | } |
|
|
1310 | |
|
|
1311 | quit: |
|
|
1312 | X_LOCK (wrklock); |
|
|
1313 | worker_free (self); |
|
|
1314 | X_UNLOCK (wrklock); |
|
|
1315 | |
|
|
1316 | return 0; |
|
|
1317 | }//D |
1095 | } |
1318 | } |
1096 | |
1319 | |
1097 | /*****************************************************************************/ |
1320 | /*****************************************************************************/ |
1098 | |
1321 | |
1099 | static void atfork_prepare (void) |
1322 | static void atfork_prepare (void) |
1100 | { |
1323 | { |
1101 | LOCK (wrklock); |
1324 | X_LOCK (wrklock); |
1102 | LOCK (reqlock); |
1325 | X_LOCK (reqlock); |
1103 | LOCK (reslock); |
1326 | X_LOCK (reslock); |
1104 | #if !HAVE_PREADWRITE |
1327 | #if !HAVE_PREADWRITE |
1105 | LOCK (preadwritelock); |
1328 | X_LOCK (preadwritelock); |
1106 | #endif |
1329 | #endif |
1107 | #if !HAVE_READDIR_R |
1330 | #if !HAVE_READDIR_R |
1108 | LOCK (readdirlock); |
1331 | X_LOCK (readdirlock); |
1109 | #endif |
1332 | #endif |
1110 | } |
1333 | } |
1111 | |
1334 | |
1112 | static void atfork_parent (void) |
1335 | static void atfork_parent (void) |
1113 | { |
1336 | { |
1114 | #if !HAVE_READDIR_R |
1337 | #if !HAVE_READDIR_R |
1115 | UNLOCK (readdirlock); |
1338 | X_UNLOCK (readdirlock); |
1116 | #endif |
1339 | #endif |
1117 | #if !HAVE_PREADWRITE |
1340 | #if !HAVE_PREADWRITE |
1118 | UNLOCK (preadwritelock); |
1341 | X_UNLOCK (preadwritelock); |
1119 | #endif |
1342 | #endif |
1120 | UNLOCK (reslock); |
1343 | X_UNLOCK (reslock); |
1121 | UNLOCK (reqlock); |
1344 | X_UNLOCK (reqlock); |
1122 | UNLOCK (wrklock); |
1345 | X_UNLOCK (wrklock); |
1123 | } |
1346 | } |
1124 | |
1347 | |
1125 | static void atfork_child (void) |
1348 | static void atfork_child (void) |
1126 | { |
1349 | { |
1127 | aio_req prv; |
1350 | aio_req prv; |
1128 | |
1351 | |
1129 | while (prv = reqq_shift (&req_queue)) |
1352 | while (prv = reqq_shift (&req_queue)) |
1130 | req_free (prv); |
1353 | req_destroy (prv); |
1131 | |
1354 | |
1132 | while (prv = reqq_shift (&res_queue)) |
1355 | while (prv = reqq_shift (&res_queue)) |
1133 | req_free (prv); |
1356 | req_destroy (prv); |
1134 | |
1357 | |
1135 | while (wrk_first.next != &wrk_first) |
1358 | while (wrk_first.next != &wrk_first) |
1136 | { |
1359 | { |
1137 | worker *wrk = wrk_first.next; |
1360 | worker *wrk = wrk_first.next; |
1138 | |
1361 | |
1139 | if (wrk->req) |
1362 | if (wrk->req) |
1140 | req_free (wrk->req); |
1363 | req_destroy (wrk->req); |
1141 | |
1364 | |
1142 | worker_clear (wrk); |
1365 | worker_clear (wrk); |
1143 | worker_free (wrk); |
1366 | worker_free (wrk); |
1144 | } |
1367 | } |
1145 | |
1368 | |
1146 | started = 0; |
1369 | started = 0; |
|
|
1370 | idle = 0; |
1147 | nreqs = 0; |
1371 | nreqs = 0; |
|
|
1372 | nready = 0; |
|
|
1373 | npending = 0; |
1148 | |
1374 | |
1149 | close (respipe [0]); |
1375 | PerlSock_closesocket (respipe [0]); |
1150 | close (respipe [1]); |
1376 | PerlSock_closesocket (respipe [1]); |
|
|
1377 | |
1151 | create_pipe (); |
1378 | create_pipe (respipe); |
1152 | |
1379 | |
1153 | atfork_parent (); |
1380 | atfork_parent (); |
1154 | } |
1381 | } |
1155 | |
1382 | |
1156 | #define dREQ \ |
1383 | #define dREQ \ |
… | |
… | |
1185 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1412 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1186 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1413 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1187 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1414 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1188 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1415 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1189 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1416 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1417 | #ifdef _WIN32 |
|
|
1418 | X_MUTEX_CHECK (wrklock); |
|
|
1419 | X_MUTEX_CHECK (reslock); |
|
|
1420 | X_MUTEX_CHECK (reqlock); |
|
|
1421 | X_MUTEX_CHECK (reqwait); |
|
|
1422 | X_MUTEX_CHECK (preadwritelock); |
|
|
1423 | X_MUTEX_CHECK (readdirlock); |
|
|
1424 | |
|
|
1425 | X_COND_CHECK (reqwait); |
|
|
1426 | #else |
1190 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1427 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1428 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1429 | #endif |
1191 | |
1430 | |
1192 | create_pipe (); |
1431 | create_pipe (respipe); |
|
|
1432 | |
1193 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1433 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1194 | |
|
|
1195 | start_thread (); |
|
|
1196 | } |
1434 | } |
|
|
1435 | |
|
|
1436 | void |
|
|
1437 | max_poll_reqs (int nreqs) |
|
|
1438 | PROTOTYPE: $ |
|
|
1439 | CODE: |
|
|
1440 | max_poll_reqs = nreqs; |
|
|
1441 | |
|
|
1442 | void |
|
|
1443 | max_poll_time (double nseconds) |
|
|
1444 | PROTOTYPE: $ |
|
|
1445 | CODE: |
|
|
1446 | max_poll_time = nseconds * AIO_TICKS; |
1197 | |
1447 | |
1198 | void |
1448 | void |
1199 | min_parallel (int nthreads) |
1449 | min_parallel (int nthreads) |
1200 | PROTOTYPE: $ |
1450 | PROTOTYPE: $ |
1201 | |
1451 | |
1202 | void |
1452 | void |
1203 | max_parallel (int nthreads) |
1453 | max_parallel (int nthreads) |
1204 | PROTOTYPE: $ |
1454 | PROTOTYPE: $ |
|
|
1455 | |
|
|
1456 | void |
|
|
1457 | max_idle (int nthreads) |
|
|
1458 | PROTOTYPE: $ |
|
|
1459 | CODE: |
|
|
1460 | set_max_idle (nthreads); |
1205 | |
1461 | |
1206 | int |
1462 | int |
1207 | max_outstanding (int maxreqs) |
1463 | max_outstanding (int maxreqs) |
1208 | PROTOTYPE: $ |
1464 | PROTOTYPE: $ |
1209 | CODE: |
1465 | CODE: |
… | |
… | |
1211 | max_outstanding = maxreqs; |
1467 | max_outstanding = maxreqs; |
1212 | OUTPUT: |
1468 | OUTPUT: |
1213 | RETVAL |
1469 | RETVAL |
1214 | |
1470 | |
1215 | void |
1471 | void |
1216 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1472 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1217 | SV * pathname |
|
|
1218 | int flags |
|
|
1219 | int mode |
|
|
1220 | SV * callback |
|
|
1221 | PROTOTYPE: $$$;$ |
1473 | PROTOTYPE: $$$;$ |
1222 | PPCODE: |
1474 | PPCODE: |
1223 | { |
1475 | { |
1224 | dREQ; |
1476 | dREQ; |
1225 | |
1477 | |
1226 | req->type = REQ_OPEN; |
1478 | req->type = REQ_OPEN; |
1227 | req->data = newSVsv (pathname); |
1479 | req->sv1 = newSVsv (pathname); |
1228 | req->dataptr = SvPVbyte_nolen (req->data); |
1480 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1229 | req->fd = flags; |
1481 | req->int1 = flags; |
1230 | req->mode = mode; |
1482 | req->mode = mode; |
1231 | |
1483 | |
1232 | REQ_SEND; |
1484 | REQ_SEND; |
1233 | } |
1485 | } |
1234 | |
1486 | |
1235 | void |
1487 | void |
1236 | aio_close (fh,callback=&PL_sv_undef) |
1488 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1237 | SV * fh |
|
|
1238 | SV * callback |
|
|
1239 | PROTOTYPE: $;$ |
1489 | PROTOTYPE: $;$ |
1240 | ALIAS: |
1490 | ALIAS: |
1241 | aio_close = REQ_CLOSE |
1491 | aio_close = REQ_CLOSE |
1242 | aio_fsync = REQ_FSYNC |
1492 | aio_fsync = REQ_FSYNC |
1243 | aio_fdatasync = REQ_FDATASYNC |
1493 | aio_fdatasync = REQ_FDATASYNC |
1244 | PPCODE: |
1494 | PPCODE: |
1245 | { |
1495 | { |
1246 | dREQ; |
1496 | dREQ; |
1247 | |
1497 | |
1248 | req->type = ix; |
1498 | req->type = ix; |
1249 | req->fh = newSVsv (fh); |
1499 | req->sv1 = newSVsv (fh); |
1250 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1500 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1251 | |
1501 | |
1252 | REQ_SEND (req); |
1502 | REQ_SEND (req); |
1253 | } |
1503 | } |
1254 | |
1504 | |
1255 | void |
1505 | void |
1256 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1506 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1257 | SV * fh |
|
|
1258 | UV offset |
|
|
1259 | UV length |
|
|
1260 | SV * data |
|
|
1261 | UV dataoffset |
|
|
1262 | SV * callback |
|
|
1263 | ALIAS: |
1507 | ALIAS: |
1264 | aio_read = REQ_READ |
1508 | aio_read = REQ_READ |
1265 | aio_write = REQ_WRITE |
1509 | aio_write = REQ_WRITE |
1266 | PROTOTYPE: $$$$$;$ |
1510 | PROTOTYPE: $$$$$;$ |
1267 | PPCODE: |
1511 | PPCODE: |
1268 | { |
1512 | { |
1269 | aio_req req; |
|
|
1270 | STRLEN svlen; |
1513 | STRLEN svlen; |
1271 | char *svptr = SvPVbyte (data, svlen); |
1514 | char *svptr = SvPVbyte (data, svlen); |
|
|
1515 | UV len = SvUV (length); |
1272 | |
1516 | |
1273 | SvUPGRADE (data, SVt_PV); |
1517 | SvUPGRADE (data, SVt_PV); |
1274 | SvPOK_on (data); |
1518 | SvPOK_on (data); |
1275 | |
1519 | |
1276 | if (dataoffset < 0) |
1520 | if (dataoffset < 0) |
1277 | dataoffset += svlen; |
1521 | dataoffset += svlen; |
1278 | |
1522 | |
1279 | if (dataoffset < 0 || dataoffset > svlen) |
1523 | if (dataoffset < 0 || dataoffset > svlen) |
1280 | croak ("data offset outside of string"); |
1524 | croak ("dataoffset outside of data scalar"); |
1281 | |
1525 | |
1282 | if (ix == REQ_WRITE) |
1526 | if (ix == REQ_WRITE) |
1283 | { |
1527 | { |
1284 | /* write: check length and adjust. */ |
1528 | /* write: check length and adjust. */ |
1285 | if (length < 0 || length + dataoffset > svlen) |
1529 | if (!SvOK (length) || len + dataoffset > svlen) |
1286 | length = svlen - dataoffset; |
1530 | len = svlen - dataoffset; |
1287 | } |
1531 | } |
1288 | else |
1532 | else |
1289 | { |
1533 | { |
1290 | /* read: grow scalar as necessary */ |
1534 | /* read: grow scalar as necessary */ |
1291 | svptr = SvGROW (data, length + dataoffset); |
1535 | svptr = SvGROW (data, len + dataoffset + 1); |
1292 | } |
1536 | } |
1293 | |
1537 | |
1294 | if (length < 0) |
1538 | if (len < 0) |
1295 | croak ("length must not be negative"); |
1539 | croak ("length must not be negative"); |
1296 | |
1540 | |
1297 | { |
1541 | { |
1298 | dREQ; |
1542 | dREQ; |
1299 | |
1543 | |
1300 | req->type = ix; |
1544 | req->type = ix; |
1301 | req->fh = newSVsv (fh); |
1545 | req->sv1 = newSVsv (fh); |
1302 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1546 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1303 | : IoOFP (sv_2io (fh))); |
1547 | : IoOFP (sv_2io (fh))); |
|
|
1548 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1304 | req->offset = offset; |
1549 | req->size = len; |
1305 | req->length = length; |
|
|
1306 | req->data = SvREFCNT_inc (data); |
1550 | req->sv2 = SvREFCNT_inc (data); |
1307 | req->dataptr = (char *)svptr + dataoffset; |
1551 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1552 | req->stroffset = dataoffset; |
1308 | |
1553 | |
1309 | if (!SvREADONLY (data)) |
1554 | if (!SvREADONLY (data)) |
1310 | { |
1555 | { |
1311 | SvREADONLY_on (data); |
1556 | SvREADONLY_on (data); |
1312 | req->data2ptr = (void *)data; |
1557 | req->flags |= FLAG_SV2_RO_OFF; |
1313 | } |
1558 | } |
1314 | |
1559 | |
1315 | REQ_SEND; |
1560 | REQ_SEND; |
1316 | } |
1561 | } |
1317 | } |
1562 | } |
1318 | |
1563 | |
1319 | void |
1564 | void |
|
|
1565 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1566 | PROTOTYPE: $$;$ |
|
|
1567 | PPCODE: |
|
|
1568 | { |
|
|
1569 | SV *data; |
|
|
1570 | dREQ; |
|
|
1571 | |
|
|
1572 | data = newSV (NAME_MAX); |
|
|
1573 | SvPOK_on (data); |
|
|
1574 | |
|
|
1575 | req->type = REQ_READLINK; |
|
|
1576 | req->sv1 = newSVsv (path); |
|
|
1577 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1578 | req->sv2 = data; |
|
|
1579 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1580 | |
|
|
1581 | REQ_SEND; |
|
|
1582 | } |
|
|
1583 | |
|
|
1584 | void |
1320 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1585 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1321 | SV * out_fh |
|
|
1322 | SV * in_fh |
|
|
1323 | UV in_offset |
|
|
1324 | UV length |
|
|
1325 | SV * callback |
|
|
1326 | PROTOTYPE: $$$$;$ |
1586 | PROTOTYPE: $$$$;$ |
1327 | PPCODE: |
1587 | PPCODE: |
1328 | { |
1588 | { |
1329 | dREQ; |
1589 | dREQ; |
1330 | |
1590 | |
1331 | req->type = REQ_SENDFILE; |
1591 | req->type = REQ_SENDFILE; |
1332 | req->fh = newSVsv (out_fh); |
1592 | req->sv1 = newSVsv (out_fh); |
1333 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1593 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1334 | req->fh2 = newSVsv (in_fh); |
1594 | req->sv2 = newSVsv (in_fh); |
1335 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1595 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1336 | req->offset = in_offset; |
1596 | req->offs = SvVAL64 (in_offset); |
1337 | req->length = length; |
1597 | req->size = length; |
1338 | |
1598 | |
1339 | REQ_SEND; |
1599 | REQ_SEND; |
1340 | } |
1600 | } |
1341 | |
1601 | |
1342 | void |
1602 | void |
1343 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1603 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1344 | SV * fh |
|
|
1345 | UV offset |
|
|
1346 | IV length |
|
|
1347 | SV * callback |
|
|
1348 | PROTOTYPE: $$$;$ |
1604 | PROTOTYPE: $$$;$ |
1349 | PPCODE: |
1605 | PPCODE: |
1350 | { |
1606 | { |
1351 | dREQ; |
1607 | dREQ; |
1352 | |
1608 | |
1353 | req->type = REQ_READAHEAD; |
1609 | req->type = REQ_READAHEAD; |
1354 | req->fh = newSVsv (fh); |
1610 | req->sv1 = newSVsv (fh); |
1355 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1611 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1356 | req->offset = offset; |
1612 | req->offs = SvVAL64 (offset); |
1357 | req->length = length; |
1613 | req->size = length; |
1358 | |
1614 | |
1359 | REQ_SEND; |
1615 | REQ_SEND; |
1360 | } |
1616 | } |
1361 | |
1617 | |
1362 | void |
1618 | void |
1363 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1619 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1364 | SV * fh_or_path |
|
|
1365 | SV * callback |
|
|
1366 | ALIAS: |
1620 | ALIAS: |
1367 | aio_stat = REQ_STAT |
1621 | aio_stat = REQ_STAT |
1368 | aio_lstat = REQ_LSTAT |
1622 | aio_lstat = REQ_LSTAT |
1369 | PPCODE: |
1623 | PPCODE: |
1370 | { |
1624 | { |
1371 | dREQ; |
1625 | dREQ; |
1372 | |
1626 | |
1373 | New (0, req->statdata, 1, Stat_t); |
1627 | req->ptr2 = malloc (sizeof (Stat_t)); |
1374 | if (!req->statdata) |
1628 | if (!req->ptr2) |
1375 | { |
1629 | { |
1376 | req_free (req); |
1630 | req_destroy (req); |
1377 | croak ("out of memory during aio_req->statdata allocation"); |
1631 | croak ("out of memory during aio_stat statdata allocation"); |
1378 | } |
1632 | } |
|
|
1633 | |
|
|
1634 | req->flags |= FLAG_PTR2_FREE; |
|
|
1635 | req->sv1 = newSVsv (fh_or_path); |
1379 | |
1636 | |
1380 | if (SvPOK (fh_or_path)) |
1637 | if (SvPOK (fh_or_path)) |
1381 | { |
1638 | { |
1382 | req->type = ix; |
1639 | req->type = ix; |
1383 | req->data = newSVsv (fh_or_path); |
|
|
1384 | req->dataptr = SvPVbyte_nolen (req->data); |
1640 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1385 | } |
1641 | } |
1386 | else |
1642 | else |
1387 | { |
1643 | { |
1388 | req->type = REQ_FSTAT; |
1644 | req->type = REQ_FSTAT; |
1389 | req->fh = newSVsv (fh_or_path); |
|
|
1390 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1645 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1391 | } |
1646 | } |
1392 | |
1647 | |
1393 | REQ_SEND; |
1648 | REQ_SEND; |
1394 | } |
1649 | } |
1395 | |
1650 | |
1396 | void |
1651 | void |
|
|
1652 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1653 | PPCODE: |
|
|
1654 | { |
|
|
1655 | dREQ; |
|
|
1656 | |
|
|
1657 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1658 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1659 | req->sv1 = newSVsv (fh_or_path); |
|
|
1660 | |
|
|
1661 | if (SvPOK (fh_or_path)) |
|
|
1662 | { |
|
|
1663 | req->type = REQ_UTIME; |
|
|
1664 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1665 | } |
|
|
1666 | else |
|
|
1667 | { |
|
|
1668 | req->type = REQ_FUTIME; |
|
|
1669 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1670 | } |
|
|
1671 | |
|
|
1672 | REQ_SEND; |
|
|
1673 | } |
|
|
1674 | |
|
|
1675 | void |
|
|
1676 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1677 | PPCODE: |
|
|
1678 | { |
|
|
1679 | dREQ; |
|
|
1680 | |
|
|
1681 | req->sv1 = newSVsv (fh_or_path); |
|
|
1682 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1683 | |
|
|
1684 | if (SvPOK (fh_or_path)) |
|
|
1685 | { |
|
|
1686 | req->type = REQ_TRUNCATE; |
|
|
1687 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1688 | } |
|
|
1689 | else |
|
|
1690 | { |
|
|
1691 | req->type = REQ_FTRUNCATE; |
|
|
1692 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1693 | } |
|
|
1694 | |
|
|
1695 | REQ_SEND; |
|
|
1696 | } |
|
|
1697 | |
|
|
1698 | void |
|
|
1699 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1700 | PPCODE: |
|
|
1701 | { |
|
|
1702 | dREQ; |
|
|
1703 | |
|
|
1704 | req->mode = mode; |
|
|
1705 | req->sv1 = newSVsv (fh_or_path); |
|
|
1706 | |
|
|
1707 | if (SvPOK (fh_or_path)) |
|
|
1708 | { |
|
|
1709 | req->type = REQ_CHMOD; |
|
|
1710 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1711 | } |
|
|
1712 | else |
|
|
1713 | { |
|
|
1714 | req->type = REQ_FCHMOD; |
|
|
1715 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | REQ_SEND; |
|
|
1719 | } |
|
|
1720 | |
|
|
1721 | void |
|
|
1722 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1723 | PPCODE: |
|
|
1724 | { |
|
|
1725 | dREQ; |
|
|
1726 | |
|
|
1727 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1728 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1729 | req->sv1 = newSVsv (fh_or_path); |
|
|
1730 | |
|
|
1731 | if (SvPOK (fh_or_path)) |
|
|
1732 | { |
|
|
1733 | req->type = REQ_CHOWN; |
|
|
1734 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1735 | } |
|
|
1736 | else |
|
|
1737 | { |
|
|
1738 | req->type = REQ_FCHOWN; |
|
|
1739 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1740 | } |
|
|
1741 | |
|
|
1742 | REQ_SEND; |
|
|
1743 | } |
|
|
1744 | |
|
|
1745 | void |
1397 | aio_unlink (pathname,callback=&PL_sv_undef) |
1746 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1398 | SV * pathname |
|
|
1399 | SV * callback |
|
|
1400 | ALIAS: |
1747 | ALIAS: |
1401 | aio_unlink = REQ_UNLINK |
1748 | aio_unlink = REQ_UNLINK |
1402 | aio_rmdir = REQ_RMDIR |
1749 | aio_rmdir = REQ_RMDIR |
1403 | aio_readdir = REQ_READDIR |
1750 | aio_readdir = REQ_READDIR |
1404 | PPCODE: |
1751 | PPCODE: |
1405 | { |
1752 | { |
1406 | dREQ; |
1753 | dREQ; |
1407 | |
1754 | |
1408 | req->type = ix; |
1755 | req->type = ix; |
1409 | req->data = newSVsv (pathname); |
1756 | req->sv1 = newSVsv (pathname); |
1410 | req->dataptr = SvPVbyte_nolen (req->data); |
1757 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1758 | |
|
|
1759 | REQ_SEND; |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | void |
|
|
1763 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1764 | PPCODE: |
|
|
1765 | { |
|
|
1766 | dREQ; |
1411 | |
1767 | |
|
|
1768 | req->type = REQ_MKDIR; |
|
|
1769 | req->sv1 = newSVsv (pathname); |
|
|
1770 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1771 | req->mode = mode; |
|
|
1772 | |
1412 | REQ_SEND; |
1773 | REQ_SEND; |
1413 | } |
1774 | } |
1414 | |
1775 | |
1415 | void |
1776 | void |
1416 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1777 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1417 | SV * oldpath |
|
|
1418 | SV * newpath |
|
|
1419 | SV * callback |
|
|
1420 | ALIAS: |
1778 | ALIAS: |
1421 | aio_link = REQ_LINK |
1779 | aio_link = REQ_LINK |
1422 | aio_symlink = REQ_SYMLINK |
1780 | aio_symlink = REQ_SYMLINK |
1423 | aio_rename = REQ_RENAME |
1781 | aio_rename = REQ_RENAME |
1424 | PPCODE: |
1782 | PPCODE: |
1425 | { |
1783 | { |
1426 | dREQ; |
1784 | dREQ; |
1427 | |
1785 | |
1428 | req->type = ix; |
1786 | req->type = ix; |
1429 | req->fh = newSVsv (oldpath); |
1787 | req->sv2 = newSVsv (oldpath); |
1430 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1788 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1431 | req->data = newSVsv (newpath); |
1789 | req->sv1 = newSVsv (newpath); |
1432 | req->dataptr = SvPVbyte_nolen (req->data); |
1790 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1433 | |
1791 | |
1434 | REQ_SEND; |
1792 | REQ_SEND; |
1435 | } |
1793 | } |
1436 | |
1794 | |
1437 | void |
1795 | void |
1438 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1796 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1439 | SV * pathname |
|
|
1440 | SV * callback |
|
|
1441 | UV mode |
|
|
1442 | UV dev |
|
|
1443 | PPCODE: |
1797 | PPCODE: |
1444 | { |
1798 | { |
1445 | dREQ; |
1799 | dREQ; |
1446 | |
1800 | |
1447 | req->type = REQ_MKNOD; |
1801 | req->type = REQ_MKNOD; |
1448 | req->data = newSVsv (pathname); |
1802 | req->sv1 = newSVsv (pathname); |
1449 | req->dataptr = SvPVbyte_nolen (req->data); |
1803 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1450 | req->mode = (mode_t)mode; |
1804 | req->mode = (mode_t)mode; |
1451 | req->offset = dev; |
1805 | req->offs = dev; |
1452 | |
1806 | |
1453 | REQ_SEND; |
1807 | REQ_SEND; |
1454 | } |
1808 | } |
1455 | |
1809 | |
1456 | void |
1810 | void |
1457 | aio_busy (delay,callback=&PL_sv_undef) |
1811 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1458 | double delay |
|
|
1459 | SV * callback |
|
|
1460 | PPCODE: |
1812 | PPCODE: |
1461 | { |
1813 | { |
1462 | dREQ; |
1814 | dREQ; |
1463 | |
1815 | |
1464 | req->type = REQ_BUSY; |
1816 | req->type = REQ_BUSY; |
1465 | req->fd = delay < 0. ? 0 : delay; |
1817 | req->nv1 = delay < 0. ? 0. : delay; |
1466 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1467 | |
1818 | |
1468 | REQ_SEND; |
1819 | REQ_SEND; |
1469 | } |
1820 | } |
1470 | |
1821 | |
1471 | void |
1822 | void |
1472 | aio_group (callback=&PL_sv_undef) |
1823 | aio_group (SV *callback=&PL_sv_undef) |
1473 | SV * callback |
|
|
1474 | PROTOTYPE: ;$ |
1824 | PROTOTYPE: ;$ |
1475 | PPCODE: |
1825 | PPCODE: |
1476 | { |
1826 | { |
1477 | dREQ; |
1827 | dREQ; |
1478 | |
1828 | |
1479 | req->type = REQ_GROUP; |
1829 | req->type = REQ_GROUP; |
|
|
1830 | |
1480 | req_send (req); |
1831 | req_send (req); |
1481 | |
|
|
1482 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1832 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1483 | } |
1833 | } |
1484 | |
1834 | |
1485 | void |
1835 | void |
1486 | aio_nop (callback=&PL_sv_undef) |
1836 | aio_nop (SV *callback=&PL_sv_undef) |
1487 | SV * callback |
|
|
1488 | PPCODE: |
1837 | PPCODE: |
1489 | { |
1838 | { |
1490 | dREQ; |
1839 | dREQ; |
1491 | |
1840 | |
1492 | req->type = REQ_NOP; |
1841 | req->type = REQ_NOP; |
… | |
… | |
1521 | PROTOTYPE: |
1870 | PROTOTYPE: |
1522 | CODE: |
1871 | CODE: |
1523 | while (nreqs) |
1872 | while (nreqs) |
1524 | { |
1873 | { |
1525 | poll_wait (); |
1874 | poll_wait (); |
1526 | poll_cb (0); |
1875 | poll_cb (); |
1527 | } |
1876 | } |
1528 | |
1877 | |
1529 | void |
1878 | int |
1530 | poll() |
1879 | poll() |
1531 | PROTOTYPE: |
1880 | PROTOTYPE: |
1532 | CODE: |
1881 | CODE: |
1533 | if (nreqs) |
|
|
1534 | { |
|
|
1535 | poll_wait (); |
1882 | poll_wait (); |
1536 | poll_cb (0); |
1883 | RETVAL = poll_cb (); |
1537 | } |
1884 | OUTPUT: |
|
|
1885 | RETVAL |
1538 | |
1886 | |
1539 | int |
1887 | int |
1540 | poll_fileno() |
1888 | poll_fileno() |
1541 | PROTOTYPE: |
1889 | PROTOTYPE: |
1542 | CODE: |
1890 | CODE: |
… | |
… | |
1546 | |
1894 | |
1547 | int |
1895 | int |
1548 | poll_cb(...) |
1896 | poll_cb(...) |
1549 | PROTOTYPE: |
1897 | PROTOTYPE: |
1550 | CODE: |
1898 | CODE: |
1551 | RETVAL = poll_cb (0); |
1899 | RETVAL = poll_cb (); |
1552 | OUTPUT: |
|
|
1553 | RETVAL |
|
|
1554 | |
|
|
1555 | int |
|
|
1556 | poll_some(int max = 0) |
|
|
1557 | PROTOTYPE: $ |
|
|
1558 | CODE: |
|
|
1559 | RETVAL = poll_cb (max); |
|
|
1560 | OUTPUT: |
1900 | OUTPUT: |
1561 | RETVAL |
1901 | RETVAL |
1562 | |
1902 | |
1563 | void |
1903 | void |
1564 | poll_wait() |
1904 | poll_wait() |
1565 | PROTOTYPE: |
1905 | PROTOTYPE: |
1566 | CODE: |
1906 | CODE: |
1567 | if (nreqs) |
|
|
1568 | poll_wait (); |
1907 | poll_wait (); |
|
|
1908 | |
|
|
1909 | void |
|
|
1910 | setsig (int signum = SIGIO) |
|
|
1911 | PROTOTYPE: ;$ |
|
|
1912 | CODE: |
|
|
1913 | { |
|
|
1914 | if (block_sig_level) |
|
|
1915 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1916 | |
|
|
1917 | X_LOCK (reslock); |
|
|
1918 | main_tid = pthread_self (); |
|
|
1919 | main_sig = signum; |
|
|
1920 | X_UNLOCK (reslock); |
|
|
1921 | |
|
|
1922 | if (main_sig && npending) |
|
|
1923 | pthread_kill (main_tid, main_sig); |
|
|
1924 | } |
|
|
1925 | |
|
|
1926 | void |
|
|
1927 | aio_block (SV *cb) |
|
|
1928 | PROTOTYPE: & |
|
|
1929 | PPCODE: |
|
|
1930 | { |
|
|
1931 | int count; |
|
|
1932 | |
|
|
1933 | block_sig (); |
|
|
1934 | PUSHMARK (SP); |
|
|
1935 | PUTBACK; |
|
|
1936 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1937 | SPAGAIN; |
|
|
1938 | unblock_sig (); |
|
|
1939 | |
|
|
1940 | if (SvTRUE (ERRSV)) |
|
|
1941 | croak (0); |
|
|
1942 | |
|
|
1943 | XSRETURN (count); |
|
|
1944 | } |
1569 | |
1945 | |
1570 | int |
1946 | int |
1571 | nreqs() |
1947 | nreqs() |
1572 | PROTOTYPE: |
1948 | PROTOTYPE: |
1573 | CODE: |
1949 | CODE: |
… | |
… | |
1589 | CODE: |
1965 | CODE: |
1590 | RETVAL = get_npending (); |
1966 | RETVAL = get_npending (); |
1591 | OUTPUT: |
1967 | OUTPUT: |
1592 | RETVAL |
1968 | RETVAL |
1593 | |
1969 | |
|
|
1970 | int |
|
|
1971 | nthreads() |
|
|
1972 | PROTOTYPE: |
|
|
1973 | CODE: |
|
|
1974 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
|
|
1975 | RETVAL = started; |
|
|
1976 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1977 | OUTPUT: |
|
|
1978 | RETVAL |
|
|
1979 | |
1594 | PROTOTYPES: DISABLE |
1980 | PROTOTYPES: DISABLE |
1595 | |
1981 | |
1596 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1982 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1597 | |
1983 | |
1598 | void |
1984 | void |
… | |
… | |
1613 | PPCODE: |
1999 | PPCODE: |
1614 | { |
2000 | { |
1615 | int i; |
2001 | int i; |
1616 | aio_req req; |
2002 | aio_req req; |
1617 | |
2003 | |
|
|
2004 | if (main_sig && !block_sig_level) |
|
|
2005 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2006 | |
1618 | if (grp->fd == 2) |
2007 | if (grp->int1 == 2) |
1619 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2008 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1620 | |
2009 | |
1621 | for (i = 1; i < items; ++i ) |
2010 | for (i = 1; i < items; ++i ) |
1622 | { |
2011 | { |
1623 | if (GIMME_V != G_VOID) |
2012 | if (GIMME_V != G_VOID) |
… | |
… | |
1625 | |
2014 | |
1626 | req = SvAIO_REQ (ST (i)); |
2015 | req = SvAIO_REQ (ST (i)); |
1627 | |
2016 | |
1628 | if (req) |
2017 | if (req) |
1629 | { |
2018 | { |
1630 | ++grp->length; |
2019 | ++grp->size; |
1631 | req->grp = grp; |
2020 | req->grp = grp; |
1632 | |
2021 | |
1633 | req->grp_prev = 0; |
2022 | req->grp_prev = 0; |
1634 | req->grp_next = grp->grp_first; |
2023 | req->grp_next = grp->grp_first; |
1635 | |
2024 | |
… | |
… | |
1658 | av = newAV (); |
2047 | av = newAV (); |
1659 | |
2048 | |
1660 | for (i = 1; i < items; ++i ) |
2049 | for (i = 1; i < items; ++i ) |
1661 | av_push (av, newSVsv (ST (i))); |
2050 | av_push (av, newSVsv (ST (i))); |
1662 | |
2051 | |
1663 | SvREFCNT_dec (grp->data); |
2052 | SvREFCNT_dec (grp->sv1); |
1664 | grp->data = (SV *)av; |
2053 | grp->sv1 = (SV *)av; |
1665 | } |
2054 | } |
1666 | |
2055 | |
1667 | void |
2056 | void |
1668 | errno (aio_req grp, int errorno = errno) |
2057 | errno (aio_req grp, int errorno = errno) |
1669 | CODE: |
2058 | CODE: |
1670 | grp->errorno = errorno; |
2059 | grp->errorno = errorno; |
1671 | |
2060 | |
1672 | void |
2061 | void |
1673 | limit (aio_req grp, int limit) |
2062 | limit (aio_req grp, int limit) |
1674 | CODE: |
2063 | CODE: |
1675 | grp->fd2 = limit; |
2064 | grp->int2 = limit; |
1676 | aio_grp_feed (grp); |
2065 | aio_grp_feed (grp); |
1677 | |
2066 | |
1678 | void |
2067 | void |
1679 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2068 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1680 | CODE: |
2069 | CODE: |
1681 | { |
2070 | { |
1682 | SvREFCNT_dec (grp->fh2); |
2071 | SvREFCNT_dec (grp->sv2); |
1683 | grp->fh2 = newSVsv (callback); |
2072 | grp->sv2 = newSVsv (callback); |
1684 | |
2073 | |
1685 | if (grp->fd2 <= 0) |
2074 | if (grp->int2 <= 0) |
1686 | grp->fd2 = 2; |
2075 | grp->int2 = 2; |
1687 | |
2076 | |
1688 | aio_grp_feed (grp); |
2077 | aio_grp_feed (grp); |
1689 | } |
2078 | } |
1690 | |
2079 | |