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 |
… | |
… | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
87 | /* used for struct dirent, AIX doesn't provide it */ |
52 | #ifndef NAME_MAX |
88 | #ifndef NAME_MAX |
53 | # define NAME_MAX 4096 |
89 | # define NAME_MAX 4096 |
54 | #endif |
90 | #endif |
55 | |
91 | |
56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
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79 | #endif |
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80 | |
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81 | /* buffer size for various temporary buffers */ |
92 | /* buffer size for various temporary buffers */ |
82 | #define AIO_BUFSIZE 65536 |
93 | #define AIO_BUFSIZE 65536 |
83 | |
94 | |
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95 | /* use NV for 32 bit perls as it allows larger offsets */ |
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96 | #if IVSIZE >= 8 |
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97 | # define SvVAL64 SvIV |
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98 | #else |
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99 | # define SvVAL64 SvNV |
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100 | #endif |
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101 | |
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102 | static HV *stash; |
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103 | |
84 | #define dBUF \ |
104 | #define dBUF \ |
85 | char *aio_buf; \ |
105 | char *aio_buf; \ |
86 | LOCK (wrklock); \ |
106 | X_LOCK (wrklock); \ |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
107 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | UNLOCK (wrklock); \ |
108 | X_UNLOCK (wrklock); \ |
89 | if (!aio_buf) \ |
109 | if (!aio_buf) \ |
90 | return -1; |
110 | return -1; |
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111 | |
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112 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
91 | |
113 | |
92 | enum { |
114 | enum { |
93 | REQ_QUIT, |
115 | REQ_QUIT, |
94 | REQ_OPEN, REQ_CLOSE, |
116 | REQ_OPEN, REQ_CLOSE, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
117 | REQ_READ, REQ_WRITE, |
96 | REQ_SENDFILE, |
118 | REQ_READAHEAD, REQ_SENDFILE, |
97 | 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, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
124 | REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
125 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
100 | REQ_MKNOD, REQ_READDIR, |
126 | REQ_MKNOD, REQ_READDIR, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
127 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
102 | REQ_GROUP, REQ_NOP, |
128 | REQ_GROUP, REQ_NOP, |
103 | REQ_BUSY, |
129 | REQ_BUSY, |
104 | }; |
130 | }; |
… | |
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108 | |
134 | |
109 | typedef struct aio_cb |
135 | typedef struct aio_cb |
110 | { |
136 | { |
111 | struct aio_cb *volatile next; |
137 | struct aio_cb *volatile next; |
112 | |
138 | |
113 | SV *callback, *fh; |
139 | SV *callback; |
114 | SV *sv1, *sv2; |
140 | SV *sv1, *sv2; |
115 | void *ptr1, *ptr2; |
141 | void *ptr1, *ptr2; |
116 | off_t offs; |
142 | off_t offs; |
117 | size_t size; |
143 | size_t size; |
118 | ssize_t result; |
144 | ssize_t result; |
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145 | double nv1, nv2; |
119 | |
146 | |
120 | STRLEN stroffset; |
147 | STRLEN stroffset; |
121 | int type; |
148 | int type; |
122 | int int1, int2; |
149 | int int1, int2, int3; |
123 | int errorno; |
150 | int errorno; |
124 | mode_t mode; /* open */ |
151 | mode_t mode; /* open */ |
125 | |
152 | |
126 | unsigned char flags; |
153 | unsigned char flags; |
127 | unsigned char pri; |
154 | unsigned char pri; |
… | |
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129 | SV *self; /* the perl counterpart of this request, if any */ |
156 | SV *self; /* the perl counterpart of this request, if any */ |
130 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
157 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
131 | } aio_cb; |
158 | } aio_cb; |
132 | |
159 | |
133 | enum { |
160 | enum { |
134 | FLAG_CANCELLED = 0x01, |
161 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
135 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
162 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
136 | FLAG_PTR2_FREE = 0x80, /* need free(ptr2) */ |
163 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
137 | }; |
164 | }; |
138 | |
165 | |
139 | typedef aio_cb *aio_req; |
166 | typedef aio_cb *aio_req; |
140 | typedef aio_cb *aio_req_ornot; |
167 | typedef aio_cb *aio_req_ornot; |
141 | |
168 | |
… | |
… | |
158 | { |
185 | { |
159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
186 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
187 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
161 | } |
188 | } |
162 | |
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 | |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
224 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
164 | |
225 | |
165 | static unsigned int started, idle, wanted; |
226 | static unsigned int started, idle, wanted; |
166 | |
227 | |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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169 | #else |
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170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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171 | #endif |
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172 | |
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173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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175 | |
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176 | /* worker threads management */ |
228 | /* worker threads management */ |
177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
229 | static mutex_t wrklock = X_MUTEX_INIT; |
178 | |
230 | |
179 | typedef struct worker { |
231 | typedef struct worker { |
180 | /* locked by wrklock */ |
232 | /* locked by wrklock */ |
181 | struct worker *prev, *next; |
233 | struct worker *prev, *next; |
182 | |
234 | |
183 | pthread_t tid; |
235 | thread_t tid; |
184 | |
236 | |
185 | /* locked by reslock, reqlock or wrklock */ |
237 | /* locked by reslock, reqlock or wrklock */ |
186 | aio_req req; /* currently processed request */ |
238 | aio_req req; /* currently processed request */ |
187 | void *dbuf; |
239 | void *dbuf; |
188 | DIR *dirp; |
240 | DIR *dirp; |
… | |
… | |
214 | } |
266 | } |
215 | |
267 | |
216 | static volatile unsigned int nreqs, nready, npending; |
268 | static volatile unsigned int nreqs, nready, npending; |
217 | static volatile unsigned int max_idle = 4; |
269 | static volatile unsigned int max_idle = 4; |
218 | static volatile unsigned int max_outstanding = 0xffffffff; |
270 | static volatile unsigned int max_outstanding = 0xffffffff; |
219 | static int respipe [2]; |
271 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
220 | |
272 | |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
273 | static mutex_t reslock = X_MUTEX_INIT; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
274 | static mutex_t reqlock = X_MUTEX_INIT; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
275 | static cond_t reqwait = X_COND_INIT; |
224 | |
276 | |
225 | #if WORDACCESS_UNSAFE |
277 | #if WORDACCESS_UNSAFE |
226 | |
278 | |
227 | static unsigned int get_nready () |
279 | static unsigned int get_nready (void) |
228 | { |
280 | { |
229 | unsigned int retval; |
281 | unsigned int retval; |
230 | |
282 | |
231 | LOCK (reqlock); |
283 | X_LOCK (reqlock); |
232 | retval = nready; |
284 | retval = nready; |
233 | UNLOCK (reqlock); |
285 | X_UNLOCK (reqlock); |
234 | |
286 | |
235 | return retval; |
287 | return retval; |
236 | } |
288 | } |
237 | |
289 | |
238 | static unsigned int get_npending () |
290 | static unsigned int get_npending (void) |
239 | { |
291 | { |
240 | unsigned int retval; |
292 | unsigned int retval; |
241 | |
293 | |
242 | LOCK (reslock); |
294 | X_LOCK (reslock); |
243 | retval = npending; |
295 | retval = npending; |
244 | UNLOCK (reslock); |
296 | X_UNLOCK (reslock); |
245 | |
297 | |
246 | return retval; |
298 | return retval; |
247 | } |
299 | } |
248 | |
300 | |
249 | static unsigned int get_nthreads () |
301 | static unsigned int get_nthreads (void) |
250 | { |
302 | { |
251 | unsigned int retval; |
303 | unsigned int retval; |
252 | |
304 | |
253 | LOCK (wrklock); |
305 | X_LOCK (wrklock); |
254 | retval = started; |
306 | retval = started; |
255 | UNLOCK (wrklock); |
307 | X_UNLOCK (wrklock); |
256 | |
308 | |
257 | return retval; |
309 | return retval; |
258 | } |
310 | } |
259 | |
311 | |
260 | #else |
312 | #else |
… | |
… | |
317 | } |
369 | } |
318 | |
370 | |
319 | abort (); |
371 | abort (); |
320 | } |
372 | } |
321 | |
373 | |
322 | static int poll_cb (); |
374 | static int poll_cb (void); |
323 | static void req_invoke (aio_req req); |
375 | static int req_invoke (aio_req req); |
324 | static void req_free (aio_req req); |
376 | static void req_destroy (aio_req req); |
325 | static void req_cancel (aio_req req); |
377 | static void req_cancel (aio_req req); |
326 | |
378 | |
327 | /* must be called at most once */ |
379 | /* must be called at most once */ |
328 | static SV *req_sv (aio_req req, const char *klass) |
380 | static SV *req_sv (aio_req req, const char *klass) |
329 | { |
381 | { |
… | |
… | |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
400 | return mg ? (aio_req)mg->mg_ptr : 0; |
349 | } |
401 | } |
350 | |
402 | |
351 | static void aio_grp_feed (aio_req grp) |
403 | static void aio_grp_feed (aio_req grp) |
352 | { |
404 | { |
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405 | block_sig (); |
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406 | |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
407 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
354 | { |
408 | { |
355 | int old_len = grp->size; |
409 | int old_len = grp->size; |
356 | |
410 | |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
411 | if (grp->sv2 && SvOK (grp->sv2)) |
… | |
… | |
375 | SvREFCNT_dec (grp->sv2); |
429 | SvREFCNT_dec (grp->sv2); |
376 | grp->sv2 = 0; |
430 | grp->sv2 = 0; |
377 | break; |
431 | break; |
378 | } |
432 | } |
379 | } |
433 | } |
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434 | |
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435 | unblock_sig (); |
380 | } |
436 | } |
381 | |
437 | |
382 | static void aio_grp_dec (aio_req grp) |
438 | static void aio_grp_dec (aio_req grp) |
383 | { |
439 | { |
384 | --grp->size; |
440 | --grp->size; |
… | |
… | |
387 | aio_grp_feed (grp); |
443 | aio_grp_feed (grp); |
388 | |
444 | |
389 | /* finish, if done */ |
445 | /* finish, if done */ |
390 | if (!grp->size && grp->int1) |
446 | if (!grp->size && grp->int1) |
391 | { |
447 | { |
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448 | block_sig (); |
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449 | |
392 | req_invoke (grp); |
450 | if (!req_invoke (grp)) |
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451 | { |
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452 | req_destroy (grp); |
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453 | unblock_sig (); |
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454 | croak (0); |
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455 | } |
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456 | |
393 | req_free (grp); |
457 | req_destroy (grp); |
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458 | unblock_sig (); |
394 | } |
459 | } |
395 | } |
460 | } |
396 | |
461 | |
397 | static void req_invoke (aio_req req) |
462 | static int req_invoke (aio_req req) |
398 | { |
463 | { |
399 | dSP; |
464 | dSP; |
400 | |
465 | |
401 | if (req->flags & FLAG_SV1_RO_OFF) |
466 | if (req->flags & FLAG_SV2_RO_OFF) |
402 | SvREADONLY_off (req->sv1); |
467 | SvREADONLY_off (req->sv2); |
403 | |
468 | |
404 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
469 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
405 | { |
470 | { |
406 | ENTER; |
471 | ENTER; |
407 | SAVETMPS; |
472 | SAVETMPS; |
… | |
… | |
438 | break; |
503 | break; |
439 | |
504 | |
440 | case REQ_OPEN: |
505 | case REQ_OPEN: |
441 | { |
506 | { |
442 | /* convert fd to fh */ |
507 | /* convert fd to fh */ |
443 | SV *fh; |
508 | SV *fh = &PL_sv_undef; |
444 | |
509 | |
445 | PUSHs (sv_2mortal (newSViv (req->result))); |
510 | if (req->result >= 0) |
446 | PUTBACK; |
511 | { |
447 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
512 | GV *gv = (GV *)sv_newmortal (); |
448 | SPAGAIN; |
513 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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514 | char sym [64]; |
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515 | int symlen; |
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516 | |
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517 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
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518 | gv_init (gv, stash, sym, symlen, 0); |
449 | |
519 | |
450 | fh = SvREFCNT_inc (POPs); |
520 | symlen = snprintf ( |
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521 | sym, |
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522 | sizeof (sym), |
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523 | "%s&=%d", |
|
|
524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
525 | req->result |
|
|
526 | ); |
451 | |
527 | |
|
|
528 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
529 | fh = (SV *)gv; |
|
|
530 | } |
|
|
531 | |
452 | PUSHMARK (SP); |
532 | PUSHs (fh); |
453 | XPUSHs (sv_2mortal (fh)); |
|
|
454 | } |
533 | } |
455 | break; |
534 | break; |
456 | |
535 | |
457 | case REQ_GROUP: |
536 | case REQ_GROUP: |
458 | req->int1 = 2; /* mark group as finished */ |
537 | req->int1 = 2; /* mark group as finished */ |
… | |
… | |
473 | break; |
552 | break; |
474 | |
553 | |
475 | case REQ_READLINK: |
554 | case REQ_READLINK: |
476 | if (req->result > 0) |
555 | if (req->result > 0) |
477 | { |
556 | { |
478 | SvCUR_set (req->sv1, req->result); |
557 | SvCUR_set (req->sv2, req->result); |
479 | *SvEND (req->sv1) = 0; |
558 | *SvEND (req->sv2) = 0; |
480 | PUSHs (req->sv1); |
559 | PUSHs (req->sv2); |
481 | } |
560 | } |
482 | break; |
561 | break; |
483 | |
562 | |
484 | case REQ_STAT: |
563 | case REQ_STAT: |
485 | case REQ_LSTAT: |
564 | case REQ_LSTAT: |
… | |
… | |
489 | PL_statcache = *(Stat_t *)(req->ptr2); |
568 | PL_statcache = *(Stat_t *)(req->ptr2); |
490 | PUSHs (sv_2mortal (newSViv (req->result))); |
569 | PUSHs (sv_2mortal (newSViv (req->result))); |
491 | break; |
570 | break; |
492 | |
571 | |
493 | case REQ_READ: |
572 | case REQ_READ: |
494 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
573 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
495 | *SvEND (req->sv1) = 0; |
574 | *SvEND (req->sv2) = 0; |
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
575 | PUSHs (sv_2mortal (newSViv (req->result))); |
497 | break; |
576 | break; |
498 | |
577 | |
499 | default: |
578 | default: |
500 | PUSHs (sv_2mortal (newSViv (req->result))); |
579 | PUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
502 | } |
581 | } |
503 | |
582 | |
504 | errno = req->errorno; |
583 | errno = req->errorno; |
505 | |
584 | |
506 | PUTBACK; |
585 | PUTBACK; |
507 | call_sv (req->callback, G_VOID | G_EVAL); |
586 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
508 | SPAGAIN; |
587 | SPAGAIN; |
509 | |
588 | |
510 | FREETMPS; |
589 | FREETMPS; |
511 | LEAVE; |
590 | LEAVE; |
|
|
591 | |
|
|
592 | PUTBACK; |
512 | } |
593 | } |
513 | |
594 | |
514 | if (req->grp) |
595 | if (req->grp) |
515 | { |
596 | { |
516 | aio_req grp = req->grp; |
597 | aio_req grp = req->grp; |
… | |
… | |
523 | grp->grp_first = req->grp_next; |
604 | grp->grp_first = req->grp_next; |
524 | |
605 | |
525 | aio_grp_dec (grp); |
606 | aio_grp_dec (grp); |
526 | } |
607 | } |
527 | |
608 | |
528 | if (SvTRUE (ERRSV)) |
609 | return !SvTRUE (ERRSV); |
529 | { |
|
|
530 | req_free (req); |
|
|
531 | croak (0); |
|
|
532 | } |
|
|
533 | } |
610 | } |
534 | |
611 | |
535 | static void req_free (aio_req req) |
612 | static void req_destroy (aio_req req) |
536 | { |
613 | { |
537 | if (req->self) |
614 | if (req->self) |
538 | { |
615 | { |
539 | sv_unmagic (req->self, PERL_MAGIC_ext); |
616 | sv_unmagic (req->self, PERL_MAGIC_ext); |
540 | SvREFCNT_dec (req->self); |
617 | SvREFCNT_dec (req->self); |
541 | } |
618 | } |
542 | |
619 | |
543 | SvREFCNT_dec (req->fh); |
|
|
544 | SvREFCNT_dec (req->sv1); |
620 | SvREFCNT_dec (req->sv1); |
545 | SvREFCNT_dec (req->sv2); |
621 | SvREFCNT_dec (req->sv2); |
546 | SvREFCNT_dec (req->callback); |
622 | SvREFCNT_dec (req->callback); |
547 | |
623 | |
548 | if (req->flags & FLAG_PTR2_FREE) |
624 | if (req->flags & FLAG_PTR2_FREE) |
… | |
… | |
570 | req->flags |= FLAG_CANCELLED; |
646 | req->flags |= FLAG_CANCELLED; |
571 | |
647 | |
572 | req_cancel_subs (req); |
648 | req_cancel_subs (req); |
573 | } |
649 | } |
574 | |
650 | |
575 | static void *aio_proc(void *arg); |
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) |
|
|
673 | { |
|
|
674 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
675 | croak ("unable to initialize result pipe(2)"); |
|
|
676 | |
|
|
677 | respipe_close (respipe [0]); |
|
|
678 | respipe [0] = old_readfd; |
|
|
679 | } |
|
|
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); |
576 | |
696 | |
577 | static void start_thread (void) |
697 | static void start_thread (void) |
578 | { |
698 | { |
579 | sigset_t fullsigset, oldsigset; |
|
|
580 | pthread_attr_t attr; |
|
|
581 | |
|
|
582 | worker *wrk = calloc (1, sizeof (worker)); |
699 | worker *wrk = calloc (1, sizeof (worker)); |
583 | |
700 | |
584 | if (!wrk) |
701 | if (!wrk) |
585 | croak ("unable to allocate worker thread data"); |
702 | croak ("unable to allocate worker thread data"); |
586 | |
703 | |
587 | pthread_attr_init (&attr); |
|
|
588 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
589 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
590 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
591 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
592 | #endif |
|
|
593 | |
|
|
594 | sigfillset (&fullsigset); |
|
|
595 | |
|
|
596 | LOCK (wrklock); |
704 | X_LOCK (wrklock); |
597 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
598 | |
705 | |
599 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
706 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
600 | { |
707 | { |
601 | wrk->prev = &wrk_first; |
708 | wrk->prev = &wrk_first; |
602 | wrk->next = wrk_first.next; |
709 | wrk->next = wrk_first.next; |
603 | wrk_first.next->prev = wrk; |
710 | wrk_first.next->prev = wrk; |
604 | wrk_first.next = wrk; |
711 | wrk_first.next = wrk; |
605 | ++started; |
712 | ++started; |
606 | } |
713 | } |
607 | else |
714 | else |
608 | free (wrk); |
715 | free (wrk); |
609 | |
716 | |
610 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
611 | UNLOCK (wrklock); |
717 | X_UNLOCK (wrklock); |
612 | } |
718 | } |
613 | |
719 | |
614 | static void maybe_start_thread () |
720 | static void maybe_start_thread (void) |
615 | { |
721 | { |
616 | if (get_nthreads () >= wanted) |
722 | if (get_nthreads () >= wanted) |
617 | return; |
723 | return; |
618 | |
724 | |
619 | /* todo: maybe use idle here, but might be less exact */ |
725 | /* todo: maybe use idle here, but might be less exact */ |
… | |
… | |
623 | start_thread (); |
729 | start_thread (); |
624 | } |
730 | } |
625 | |
731 | |
626 | static void req_send (aio_req req) |
732 | static void req_send (aio_req req) |
627 | { |
733 | { |
|
|
734 | block_sig (); |
|
|
735 | |
628 | ++nreqs; |
736 | ++nreqs; |
629 | |
737 | |
630 | LOCK (reqlock); |
738 | X_LOCK (reqlock); |
631 | ++nready; |
739 | ++nready; |
632 | reqq_push (&req_queue, req); |
740 | reqq_push (&req_queue, req); |
633 | pthread_cond_signal (&reqwait); |
741 | X_COND_SIGNAL (reqwait); |
634 | UNLOCK (reqlock); |
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | unblock_sig (); |
635 | |
745 | |
636 | maybe_start_thread (); |
746 | maybe_start_thread (); |
637 | } |
747 | } |
638 | |
748 | |
639 | static void end_thread (void) |
749 | static void end_thread (void) |
… | |
… | |
643 | Newz (0, req, 1, aio_cb); |
753 | Newz (0, req, 1, aio_cb); |
644 | |
754 | |
645 | req->type = REQ_QUIT; |
755 | req->type = REQ_QUIT; |
646 | req->pri = PRI_MAX + PRI_BIAS; |
756 | req->pri = PRI_MAX + PRI_BIAS; |
647 | |
757 | |
648 | LOCK (reqlock); |
758 | X_LOCK (reqlock); |
649 | reqq_push (&req_queue, req); |
759 | reqq_push (&req_queue, req); |
650 | pthread_cond_signal (&reqwait); |
760 | X_COND_SIGNAL (reqwait); |
651 | UNLOCK (reqlock); |
761 | X_UNLOCK (reqlock); |
652 | |
762 | |
653 | LOCK (wrklock); |
763 | X_LOCK (wrklock); |
654 | --started; |
764 | --started; |
655 | UNLOCK (wrklock); |
765 | X_UNLOCK (wrklock); |
656 | } |
766 | } |
657 | |
767 | |
658 | static void set_max_idle (int nthreads) |
768 | static void set_max_idle (int nthreads) |
659 | { |
769 | { |
660 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
770 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
661 | max_idle = nthreads <= 0 ? 1 : nthreads; |
771 | max_idle = nthreads <= 0 ? 1 : nthreads; |
662 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
772 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
663 | } |
773 | } |
664 | |
774 | |
665 | static void min_parallel (int nthreads) |
775 | static void min_parallel (int nthreads) |
666 | { |
776 | { |
667 | if (wanted < nthreads) |
777 | if (wanted < nthreads) |
… | |
… | |
675 | |
785 | |
676 | while (started > wanted) |
786 | while (started > wanted) |
677 | end_thread (); |
787 | end_thread (); |
678 | } |
788 | } |
679 | |
789 | |
680 | static void poll_wait () |
790 | static void poll_wait (void) |
681 | { |
791 | { |
682 | fd_set rfd; |
792 | fd_set rfd; |
683 | |
793 | |
684 | while (nreqs) |
794 | while (nreqs) |
685 | { |
795 | { |
686 | int size; |
796 | int size; |
687 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
797 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
688 | size = res_queue.size; |
798 | size = res_queue.size; |
689 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
799 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
690 | |
800 | |
691 | if (size) |
801 | if (size) |
692 | return; |
802 | return; |
693 | |
803 | |
694 | maybe_start_thread (); |
804 | maybe_start_thread (); |
695 | |
805 | |
696 | FD_ZERO(&rfd); |
806 | FD_ZERO (&rfd); |
697 | FD_SET(respipe [0], &rfd); |
807 | FD_SET (respipe [0], &rfd); |
698 | |
808 | |
699 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
809 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
700 | } |
810 | } |
701 | } |
811 | } |
702 | |
812 | |
703 | static int poll_cb () |
813 | static int poll_cb (void) |
704 | { |
814 | { |
705 | dSP; |
815 | dSP; |
706 | int count = 0; |
816 | int count = 0; |
707 | int maxreqs = max_poll_reqs; |
817 | int maxreqs = max_poll_reqs; |
708 | int do_croak = 0; |
818 | int do_croak = 0; |
… | |
… | |
710 | aio_req req; |
820 | aio_req req; |
711 | |
821 | |
712 | if (max_poll_time) |
822 | if (max_poll_time) |
713 | gettimeofday (&tv_start, 0); |
823 | gettimeofday (&tv_start, 0); |
714 | |
824 | |
|
|
825 | block_sig (); |
|
|
826 | |
715 | for (;;) |
827 | for (;;) |
716 | { |
828 | { |
717 | for (;;) |
829 | for (;;) |
718 | { |
830 | { |
719 | maybe_start_thread (); |
831 | maybe_start_thread (); |
720 | |
832 | |
721 | LOCK (reslock); |
833 | X_LOCK (reslock); |
722 | req = reqq_shift (&res_queue); |
834 | req = reqq_shift (&res_queue); |
723 | |
835 | |
724 | if (req) |
836 | if (req) |
725 | { |
837 | { |
726 | --npending; |
838 | --npending; |
727 | |
839 | |
728 | if (!res_queue.size) |
840 | if (!res_queue.size) |
729 | { |
841 | { |
730 | /* read any signals sent by the worker threads */ |
842 | /* read any signals sent by the worker threads */ |
731 | char buf [32]; |
843 | char buf [4]; |
732 | while (read (respipe [0], buf, 32) == 32) |
844 | while (respipe_read (respipe [0], buf, 4) == 4) |
733 | ; |
845 | ; |
734 | } |
846 | } |
735 | } |
847 | } |
736 | |
848 | |
737 | UNLOCK (reslock); |
849 | X_UNLOCK (reslock); |
738 | |
850 | |
739 | if (!req) |
851 | if (!req) |
740 | break; |
852 | break; |
741 | |
853 | |
742 | --nreqs; |
854 | --nreqs; |
… | |
… | |
746 | req->int1 = 1; /* mark request as delayed */ |
858 | req->int1 = 1; /* mark request as delayed */ |
747 | continue; |
859 | continue; |
748 | } |
860 | } |
749 | else |
861 | else |
750 | { |
862 | { |
751 | req_invoke (req); |
863 | if (!req_invoke (req)) |
|
|
864 | { |
|
|
865 | req_destroy (req); |
|
|
866 | unblock_sig (); |
|
|
867 | croak (0); |
|
|
868 | } |
752 | |
869 | |
753 | count++; |
870 | count++; |
754 | } |
871 | } |
755 | |
872 | |
756 | req_free (req); |
873 | req_destroy (req); |
757 | |
874 | |
758 | if (maxreqs && !--maxreqs) |
875 | if (maxreqs && !--maxreqs) |
759 | break; |
876 | break; |
760 | |
877 | |
761 | if (max_poll_time) |
878 | if (max_poll_time) |
… | |
… | |
773 | poll_wait (); |
890 | poll_wait (); |
774 | |
891 | |
775 | ++maxreqs; |
892 | ++maxreqs; |
776 | } |
893 | } |
777 | |
894 | |
|
|
895 | unblock_sig (); |
778 | return count; |
896 | return count; |
779 | } |
|
|
780 | |
|
|
781 | static void create_pipe () |
|
|
782 | { |
|
|
783 | if (pipe (respipe)) |
|
|
784 | croak ("unable to initialize result pipe"); |
|
|
785 | |
|
|
786 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
787 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
788 | |
|
|
789 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
790 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
791 | } |
897 | } |
792 | |
898 | |
793 | /*****************************************************************************/ |
899 | /*****************************************************************************/ |
794 | /* work around various missing functions */ |
900 | /* work around various missing functions */ |
795 | |
901 | |
… | |
… | |
800 | /* |
906 | /* |
801 | * make our pread/pwrite safe against themselves, but not against |
907 | * make our pread/pwrite safe against themselves, but not against |
802 | * 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, |
803 | * but that's your problem, not mine. |
909 | * but that's your problem, not mine. |
804 | */ |
910 | */ |
805 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
911 | static mutex_t preadwritelock = X_MUTEX_INIT; |
806 | |
912 | |
807 | 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) |
808 | { |
914 | { |
809 | ssize_t res; |
915 | ssize_t res; |
810 | off_t ooffset; |
916 | off_t ooffset; |
811 | |
917 | |
812 | LOCK (preadwritelock); |
918 | X_LOCK (preadwritelock); |
813 | ooffset = lseek (fd, 0, SEEK_CUR); |
919 | ooffset = lseek (fd, 0, SEEK_CUR); |
814 | lseek (fd, offset, SEEK_SET); |
920 | lseek (fd, offset, SEEK_SET); |
815 | res = read (fd, buf, count); |
921 | res = read (fd, buf, count); |
816 | lseek (fd, ooffset, SEEK_SET); |
922 | lseek (fd, ooffset, SEEK_SET); |
817 | UNLOCK (preadwritelock); |
923 | X_UNLOCK (preadwritelock); |
818 | |
924 | |
819 | return res; |
925 | return res; |
820 | } |
926 | } |
821 | |
927 | |
822 | 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) |
823 | { |
929 | { |
824 | ssize_t res; |
930 | ssize_t res; |
825 | off_t ooffset; |
931 | off_t ooffset; |
826 | |
932 | |
827 | LOCK (preadwritelock); |
933 | X_LOCK (preadwritelock); |
828 | ooffset = lseek (fd, 0, SEEK_CUR); |
934 | ooffset = lseek (fd, 0, SEEK_CUR); |
829 | lseek (fd, offset, SEEK_SET); |
935 | lseek (fd, offset, SEEK_SET); |
830 | res = write (fd, buf, count); |
936 | res = write (fd, buf, count); |
831 | lseek (fd, offset, SEEK_SET); |
937 | lseek (fd, offset, SEEK_SET); |
832 | UNLOCK (preadwritelock); |
938 | X_UNLOCK (preadwritelock); |
833 | |
939 | |
834 | return res; |
940 | return res; |
835 | } |
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 | |
836 | #endif |
970 | #endif |
837 | |
971 | |
838 | #if !HAVE_FDATASYNC |
972 | #if !HAVE_FDATASYNC |
839 | # define fdatasync fsync |
973 | # define fdatasync fsync |
840 | #endif |
974 | #endif |
… | |
… | |
842 | #if !HAVE_READAHEAD |
976 | #if !HAVE_READAHEAD |
843 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
977 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
844 | |
978 | |
845 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
979 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
846 | { |
980 | { |
|
|
981 | size_t todo = count; |
847 | dBUF; |
982 | dBUF; |
848 | |
983 | |
849 | while (count > 0) |
984 | while (todo > 0) |
850 | { |
985 | { |
851 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
986 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
852 | |
987 | |
853 | pread (fd, aio_buf, len, offset); |
988 | pread (fd, aio_buf, len, offset); |
854 | offset += len; |
989 | offset += len; |
855 | count -= len; |
990 | todo -= len; |
856 | } |
991 | } |
857 | |
992 | |
858 | errno = 0; |
993 | errno = 0; |
|
|
994 | return count; |
859 | } |
995 | } |
860 | |
996 | |
861 | #endif |
997 | #endif |
862 | |
998 | |
863 | #if !HAVE_READDIR_R |
999 | #if !HAVE_READDIR_R |
864 | # define readdir_r aio_readdir_r |
1000 | # define readdir_r aio_readdir_r |
865 | |
1001 | |
866 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
1002 | static mutex_t readdirlock = X_MUTEX_INIT; |
867 | |
1003 | |
868 | 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) |
869 | { |
1005 | { |
870 | struct dirent *e; |
1006 | X_DIRENT *e; |
871 | int errorno; |
1007 | int errorno; |
872 | |
1008 | |
873 | LOCK (readdirlock); |
1009 | X_LOCK (readdirlock); |
874 | |
1010 | |
875 | e = readdir (dirp); |
1011 | e = readdir (dirp); |
876 | errorno = errno; |
1012 | errorno = errno; |
877 | |
1013 | |
878 | if (e) |
1014 | if (e) |
… | |
… | |
881 | strcpy (ent->d_name, e->d_name); |
1017 | strcpy (ent->d_name, e->d_name); |
882 | } |
1018 | } |
883 | else |
1019 | else |
884 | *res = 0; |
1020 | *res = 0; |
885 | |
1021 | |
886 | UNLOCK (readdirlock); |
1022 | X_UNLOCK (readdirlock); |
887 | |
1023 | |
888 | errno = errorno; |
1024 | errno = errorno; |
889 | return e ? 0 : -1; |
1025 | return e ? 0 : -1; |
890 | } |
1026 | } |
891 | #endif |
1027 | #endif |
… | |
… | |
987 | static void scandir_ (aio_req req, worker *self) |
1123 | static void scandir_ (aio_req req, worker *self) |
988 | { |
1124 | { |
989 | DIR *dirp; |
1125 | DIR *dirp; |
990 | union |
1126 | union |
991 | { |
1127 | { |
992 | struct dirent d; |
1128 | X_DIRENT d; |
993 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1129 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
994 | } *u; |
1130 | } *u; |
995 | struct dirent *entp; |
1131 | X_DIRENT *entp; |
996 | char *name, *names; |
1132 | char *name, *names; |
997 | int memlen = 4096; |
1133 | int memlen = 4096; |
998 | int memofs = 0; |
1134 | int memofs = 0; |
999 | int res = 0; |
1135 | int res = 0; |
1000 | int errorno; |
|
|
1001 | |
1136 | |
1002 | LOCK (wrklock); |
1137 | X_LOCK (wrklock); |
1003 | self->dirp = dirp = opendir (req->ptr1); |
1138 | self->dirp = dirp = opendir (req->ptr1); |
1004 | self->dbuf = u = malloc (sizeof (*u)); |
1139 | self->dbuf = u = malloc (sizeof (*u)); |
1005 | req->flags |= FLAG_PTR2_FREE; |
1140 | req->flags |= FLAG_PTR2_FREE; |
1006 | req->ptr2 = names = malloc (memlen); |
1141 | req->ptr2 = names = malloc (memlen); |
1007 | UNLOCK (wrklock); |
1142 | X_UNLOCK (wrklock); |
1008 | |
1143 | |
1009 | if (dirp && u && names) |
1144 | if (dirp && u && names) |
1010 | for (;;) |
1145 | for (;;) |
1011 | { |
1146 | { |
1012 | errno = 0; |
1147 | errno = 0; |
… | |
… | |
1024 | res++; |
1159 | res++; |
1025 | |
1160 | |
1026 | while (memofs + len > memlen) |
1161 | while (memofs + len > memlen) |
1027 | { |
1162 | { |
1028 | memlen *= 2; |
1163 | memlen *= 2; |
1029 | LOCK (wrklock); |
1164 | X_LOCK (wrklock); |
1030 | req->ptr2 = names = realloc (names, memlen); |
1165 | req->ptr2 = names = realloc (names, memlen); |
1031 | UNLOCK (wrklock); |
1166 | X_UNLOCK (wrklock); |
1032 | |
1167 | |
1033 | if (!names) |
1168 | if (!names) |
1034 | break; |
1169 | break; |
1035 | } |
1170 | } |
1036 | |
1171 | |
… | |
… | |
1045 | req->result = res; |
1180 | req->result = res; |
1046 | } |
1181 | } |
1047 | |
1182 | |
1048 | /*****************************************************************************/ |
1183 | /*****************************************************************************/ |
1049 | |
1184 | |
1050 | static void *aio_proc (void *thr_arg) |
1185 | X_THREAD_PROC (aio_proc) |
1051 | { |
1186 | { |
|
|
1187 | {//D |
1052 | aio_req req; |
1188 | aio_req req; |
1053 | struct timespec ts; |
1189 | struct timespec ts; |
1054 | worker *self = (worker *)thr_arg; |
1190 | worker *self = (worker *)thr_arg; |
1055 | |
1191 | |
1056 | /* try to distribute timeouts somewhat evenly */ |
1192 | /* try to distribute timeouts somewhat randomly */ |
1057 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
1193 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1058 | * (1000000000UL / 1024UL); |
|
|
1059 | |
1194 | |
1060 | for (;;) |
1195 | for (;;) |
1061 | { |
1196 | { |
1062 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1197 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1063 | |
1198 | |
1064 | LOCK (reqlock); |
1199 | X_LOCK (reqlock); |
1065 | |
1200 | |
1066 | for (;;) |
1201 | for (;;) |
1067 | { |
1202 | { |
1068 | self->req = req = reqq_shift (&req_queue); |
1203 | self->req = req = reqq_shift (&req_queue); |
1069 | |
1204 | |
1070 | if (req) |
1205 | if (req) |
1071 | break; |
1206 | break; |
1072 | |
1207 | |
1073 | ++idle; |
1208 | ++idle; |
1074 | |
1209 | |
1075 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
1210 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
1076 | == ETIMEDOUT) |
1211 | == ETIMEDOUT) |
1077 | { |
1212 | { |
1078 | if (idle > max_idle) |
1213 | if (idle > max_idle) |
1079 | { |
1214 | { |
1080 | --idle; |
1215 | --idle; |
1081 | UNLOCK (reqlock); |
1216 | X_UNLOCK (reqlock); |
1082 | LOCK (wrklock); |
1217 | X_LOCK (wrklock); |
1083 | --started; |
1218 | --started; |
1084 | UNLOCK (wrklock); |
1219 | X_UNLOCK (wrklock); |
1085 | goto quit; |
1220 | goto quit; |
1086 | } |
1221 | } |
1087 | |
1222 | |
1088 | /* we are allowed to idle, so do so without any timeout */ |
1223 | /* we are allowed to idle, so do so without any timeout */ |
1089 | pthread_cond_wait (&reqwait, &reqlock); |
1224 | X_COND_WAIT (reqwait, reqlock); |
1090 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1225 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1091 | } |
1226 | } |
1092 | |
1227 | |
1093 | --idle; |
1228 | --idle; |
1094 | } |
1229 | } |
1095 | |
1230 | |
1096 | --nready; |
1231 | --nready; |
1097 | |
1232 | |
1098 | UNLOCK (reqlock); |
1233 | X_UNLOCK (reqlock); |
1099 | |
1234 | |
1100 | errno = 0; /* strictly unnecessary */ |
1235 | errno = 0; /* strictly unnecessary */ |
1101 | |
1236 | |
1102 | if (!(req->flags & FLAG_CANCELLED)) |
1237 | if (!(req->flags & FLAG_CANCELLED)) |
1103 | switch (req->type) |
1238 | switch (req->type) |
1104 | { |
1239 | { |
1105 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1240 | case REQ_READ: req->result = req->offs >= 0 |
1106 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); 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; |
1107 | |
1246 | |
1108 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1247 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1109 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1248 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1110 | |
1249 | |
1111 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1250 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1112 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1251 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1113 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1252 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
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; |
1114 | |
1260 | |
1115 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1261 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1116 | case REQ_CLOSE: req->result = close (req->int1); break; |
1262 | case REQ_CLOSE: req->result = close (req->int1); break; |
1117 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1263 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1118 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1264 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1265 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1266 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1267 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1121 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1268 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1122 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1269 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1123 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1270 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1124 | |
1271 | |
|
|
1272 | case REQ_SYNC: req->result = 0; sync (); break; |
|
|
1273 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1125 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1274 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1126 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1275 | |
1127 | case REQ_READDIR: scandir_ (req, self); break; |
1276 | case REQ_READDIR: scandir_ (req, self); break; |
1128 | |
1277 | |
1129 | case REQ_BUSY: |
1278 | case REQ_BUSY: |
|
|
1279 | #ifdef _WIN32 |
|
|
1280 | Sleep (req->nv1 * 1000.); |
|
|
1281 | #else |
1130 | { |
1282 | { |
1131 | struct timeval tv; |
1283 | struct timeval tv; |
1132 | |
1284 | |
1133 | tv.tv_sec = req->int1; |
1285 | tv.tv_sec = req->nv1; |
1134 | tv.tv_usec = req->int2; |
1286 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
1135 | |
1287 | |
1136 | req->result = select (0, 0, 0, 0, &tv); |
1288 | req->result = select (0, 0, 0, 0, &tv); |
|
|
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); |
1137 | } |
1315 | } |
1138 | |
1316 | |
1139 | case REQ_GROUP: |
1317 | case REQ_GROUP: |
1140 | case REQ_NOP: |
1318 | case REQ_NOP: |
1141 | break; |
1319 | break; |
1142 | |
1320 | |
1143 | case REQ_QUIT: |
1321 | case REQ_QUIT: |
1144 | goto quit; |
1322 | goto quit; |
1145 | |
1323 | |
1146 | default: |
1324 | default: |
1147 | req->result = ENOSYS; |
1325 | req->result = -1; |
1148 | break; |
1326 | break; |
1149 | } |
1327 | } |
1150 | |
1328 | |
1151 | req->errorno = errno; |
1329 | req->errorno = errno; |
1152 | |
1330 | |
1153 | LOCK (reslock); |
1331 | X_LOCK (reslock); |
1154 | |
1332 | |
1155 | ++npending; |
1333 | ++npending; |
1156 | |
1334 | |
1157 | if (!reqq_push (&res_queue, req)) |
1335 | if (!reqq_push (&res_queue, req)) |
|
|
1336 | { |
1158 | /* write a dummy byte to the pipe so fh becomes ready */ |
1337 | /* write a dummy byte to the pipe so fh becomes ready */ |
1159 | write (respipe [1], &respipe, 1); |
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); |
|
|
1343 | } |
1160 | |
1344 | |
1161 | self->req = 0; |
1345 | self->req = 0; |
1162 | worker_clear (self); |
1346 | worker_clear (self); |
1163 | |
1347 | |
1164 | UNLOCK (reslock); |
1348 | X_UNLOCK (reslock); |
1165 | } |
1349 | } |
1166 | |
1350 | |
1167 | quit: |
1351 | quit: |
1168 | LOCK (wrklock); |
1352 | X_LOCK (wrklock); |
1169 | worker_free (self); |
1353 | worker_free (self); |
1170 | UNLOCK (wrklock); |
1354 | X_UNLOCK (wrklock); |
1171 | |
1355 | |
1172 | return 0; |
1356 | return 0; |
|
|
1357 | }//D |
1173 | } |
1358 | } |
1174 | |
1359 | |
1175 | /*****************************************************************************/ |
1360 | /*****************************************************************************/ |
1176 | |
1361 | |
1177 | static void atfork_prepare (void) |
1362 | static void atfork_prepare (void) |
1178 | { |
1363 | { |
1179 | LOCK (wrklock); |
1364 | X_LOCK (wrklock); |
1180 | LOCK (reqlock); |
1365 | X_LOCK (reqlock); |
1181 | LOCK (reslock); |
1366 | X_LOCK (reslock); |
1182 | #if !HAVE_PREADWRITE |
1367 | #if !HAVE_PREADWRITE |
1183 | LOCK (preadwritelock); |
1368 | X_LOCK (preadwritelock); |
1184 | #endif |
1369 | #endif |
1185 | #if !HAVE_READDIR_R |
1370 | #if !HAVE_READDIR_R |
1186 | LOCK (readdirlock); |
1371 | X_LOCK (readdirlock); |
1187 | #endif |
1372 | #endif |
1188 | } |
1373 | } |
1189 | |
1374 | |
1190 | static void atfork_parent (void) |
1375 | static void atfork_parent (void) |
1191 | { |
1376 | { |
1192 | #if !HAVE_READDIR_R |
1377 | #if !HAVE_READDIR_R |
1193 | UNLOCK (readdirlock); |
1378 | X_UNLOCK (readdirlock); |
1194 | #endif |
1379 | #endif |
1195 | #if !HAVE_PREADWRITE |
1380 | #if !HAVE_PREADWRITE |
1196 | UNLOCK (preadwritelock); |
1381 | X_UNLOCK (preadwritelock); |
1197 | #endif |
1382 | #endif |
1198 | UNLOCK (reslock); |
1383 | X_UNLOCK (reslock); |
1199 | UNLOCK (reqlock); |
1384 | X_UNLOCK (reqlock); |
1200 | UNLOCK (wrklock); |
1385 | X_UNLOCK (wrklock); |
1201 | } |
1386 | } |
1202 | |
1387 | |
1203 | static void atfork_child (void) |
1388 | static void atfork_child (void) |
1204 | { |
1389 | { |
1205 | aio_req prv; |
1390 | aio_req prv; |
1206 | |
1391 | |
1207 | while (prv = reqq_shift (&req_queue)) |
1392 | while (prv = reqq_shift (&req_queue)) |
1208 | req_free (prv); |
1393 | req_destroy (prv); |
1209 | |
1394 | |
1210 | while (prv = reqq_shift (&res_queue)) |
1395 | while (prv = reqq_shift (&res_queue)) |
1211 | req_free (prv); |
1396 | req_destroy (prv); |
1212 | |
1397 | |
1213 | while (wrk_first.next != &wrk_first) |
1398 | while (wrk_first.next != &wrk_first) |
1214 | { |
1399 | { |
1215 | worker *wrk = wrk_first.next; |
1400 | worker *wrk = wrk_first.next; |
1216 | |
1401 | |
1217 | if (wrk->req) |
1402 | if (wrk->req) |
1218 | req_free (wrk->req); |
1403 | req_destroy (wrk->req); |
1219 | |
1404 | |
1220 | worker_clear (wrk); |
1405 | worker_clear (wrk); |
1221 | worker_free (wrk); |
1406 | worker_free (wrk); |
1222 | } |
1407 | } |
1223 | |
1408 | |
… | |
… | |
1225 | idle = 0; |
1410 | idle = 0; |
1226 | nreqs = 0; |
1411 | nreqs = 0; |
1227 | nready = 0; |
1412 | nready = 0; |
1228 | npending = 0; |
1413 | npending = 0; |
1229 | |
1414 | |
1230 | close (respipe [0]); |
|
|
1231 | close (respipe [1]); |
|
|
1232 | create_pipe (); |
1415 | create_respipe (); |
1233 | |
1416 | |
1234 | atfork_parent (); |
1417 | atfork_parent (); |
1235 | } |
1418 | } |
1236 | |
1419 | |
1237 | #define dREQ \ |
1420 | #define dREQ \ |
… | |
… | |
1259 | |
1442 | |
1260 | PROTOTYPES: ENABLE |
1443 | PROTOTYPES: ENABLE |
1261 | |
1444 | |
1262 | BOOT: |
1445 | BOOT: |
1263 | { |
1446 | { |
1264 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1447 | stash = gv_stashpv ("IO::AIO", 1); |
1265 | |
1448 | |
1266 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1449 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1267 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1450 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1268 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1451 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1269 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1452 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1270 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
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); |
|
|
1461 | |
|
|
1462 | X_COND_CHECK (reqwait); |
|
|
1463 | #else |
1271 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1464 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1465 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1466 | #endif |
1272 | |
1467 | |
1273 | create_pipe (); |
1468 | create_respipe (); |
|
|
1469 | |
1274 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1470 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1275 | } |
1471 | } |
1276 | |
1472 | |
1277 | void |
1473 | void |
1278 | max_poll_reqs (int nreqs) |
1474 | max_poll_reqs (int nreqs) |
1279 | PROTOTYPE: $ |
1475 | PROTOTYPE: $ |
… | |
… | |
1308 | max_outstanding = maxreqs; |
1504 | max_outstanding = maxreqs; |
1309 | OUTPUT: |
1505 | OUTPUT: |
1310 | RETVAL |
1506 | RETVAL |
1311 | |
1507 | |
1312 | void |
1508 | void |
1313 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1509 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1314 | SV * pathname |
|
|
1315 | int flags |
|
|
1316 | int mode |
|
|
1317 | SV * callback |
|
|
1318 | PROTOTYPE: $$$;$ |
1510 | PROTOTYPE: $$$;$ |
1319 | PPCODE: |
1511 | PPCODE: |
1320 | { |
1512 | { |
1321 | dREQ; |
1513 | dREQ; |
1322 | |
1514 | |
1323 | req->type = REQ_OPEN; |
1515 | req->type = REQ_OPEN; |
1324 | req->sv1 = newSVsv (pathname); |
1516 | req->sv1 = newSVsv (pathname); |
1325 | req->ptr1 = SvPVbyte_nolen (pathname); |
1517 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1326 | req->int1 = flags; |
1518 | req->int1 = flags; |
1327 | req->mode = mode; |
1519 | req->mode = mode; |
1328 | |
1520 | |
1329 | REQ_SEND; |
1521 | REQ_SEND; |
1330 | } |
1522 | } |
1331 | |
1523 | |
1332 | void |
1524 | void |
1333 | aio_close (fh,callback=&PL_sv_undef) |
1525 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1334 | SV * fh |
|
|
1335 | SV * callback |
|
|
1336 | PROTOTYPE: $;$ |
1526 | PROTOTYPE: $;$ |
1337 | ALIAS: |
1527 | ALIAS: |
1338 | aio_close = REQ_CLOSE |
|
|
1339 | aio_fsync = REQ_FSYNC |
1528 | aio_fsync = REQ_FSYNC |
1340 | aio_fdatasync = REQ_FDATASYNC |
1529 | aio_fdatasync = REQ_FDATASYNC |
1341 | PPCODE: |
1530 | PPCODE: |
1342 | { |
1531 | { |
1343 | dREQ; |
1532 | dREQ; |
1344 | |
1533 | |
1345 | req->type = ix; |
1534 | req->type = ix; |
1346 | req->fh = newSVsv (fh); |
1535 | req->sv1 = newSVsv (fh); |
1347 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1536 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1348 | |
1537 | |
1349 | REQ_SEND (req); |
1538 | REQ_SEND (req); |
1350 | } |
1539 | } |
1351 | |
1540 | |
|
|
1541 | int |
|
|
1542 | _dup (int fd) |
|
|
1543 | PROTOTYPE: $ |
|
|
1544 | CODE: |
|
|
1545 | RETVAL = dup (fd); |
|
|
1546 | OUTPUT: |
|
|
1547 | RETVAL |
|
|
1548 | |
1352 | 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 |
1353 | 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) |
1354 | SV * fh |
|
|
1355 | UV offset |
|
|
1356 | UV length |
|
|
1357 | SV * data |
|
|
1358 | UV dataoffset |
|
|
1359 | SV * callback |
|
|
1360 | ALIAS: |
1564 | ALIAS: |
1361 | aio_read = REQ_READ |
1565 | aio_read = REQ_READ |
1362 | aio_write = REQ_WRITE |
1566 | aio_write = REQ_WRITE |
1363 | PROTOTYPE: $$$$$;$ |
1567 | PROTOTYPE: $$$$$;$ |
1364 | PPCODE: |
1568 | PPCODE: |
1365 | { |
1569 | { |
1366 | STRLEN svlen; |
1570 | STRLEN svlen; |
1367 | char *svptr = SvPVbyte (data, svlen); |
1571 | char *svptr = SvPVbyte (data, svlen); |
|
|
1572 | UV len = SvUV (length); |
1368 | |
1573 | |
1369 | SvUPGRADE (data, SVt_PV); |
1574 | SvUPGRADE (data, SVt_PV); |
1370 | SvPOK_on (data); |
1575 | SvPOK_on (data); |
1371 | |
1576 | |
1372 | if (dataoffset < 0) |
1577 | if (dataoffset < 0) |
1373 | dataoffset += svlen; |
1578 | dataoffset += svlen; |
1374 | |
1579 | |
1375 | if (dataoffset < 0 || dataoffset > svlen) |
1580 | if (dataoffset < 0 || dataoffset > svlen) |
1376 | croak ("data offset outside of string"); |
1581 | croak ("dataoffset outside of data scalar"); |
1377 | |
1582 | |
1378 | if (ix == REQ_WRITE) |
1583 | if (ix == REQ_WRITE) |
1379 | { |
1584 | { |
1380 | /* write: check length and adjust. */ |
1585 | /* write: check length and adjust. */ |
1381 | if (length < 0 || length + dataoffset > svlen) |
1586 | if (!SvOK (length) || len + dataoffset > svlen) |
1382 | length = svlen - dataoffset; |
1587 | len = svlen - dataoffset; |
1383 | } |
1588 | } |
1384 | else |
1589 | else |
1385 | { |
1590 | { |
1386 | /* read: grow scalar as necessary */ |
1591 | /* read: grow scalar as necessary */ |
1387 | svptr = SvGROW (data, length + dataoffset); |
1592 | svptr = SvGROW (data, len + dataoffset + 1); |
1388 | } |
1593 | } |
1389 | |
1594 | |
1390 | if (length < 0) |
1595 | if (len < 0) |
1391 | croak ("length must not be negative"); |
1596 | croak ("length must not be negative"); |
1392 | |
1597 | |
1393 | { |
1598 | { |
1394 | dREQ; |
1599 | dREQ; |
1395 | |
1600 | |
1396 | req->type = ix; |
1601 | req->type = ix; |
1397 | req->fh = newSVsv (fh); |
1602 | req->sv1 = newSVsv (fh); |
1398 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1603 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1399 | : IoOFP (sv_2io (fh))); |
1604 | : IoOFP (sv_2io (fh))); |
1400 | req->offs = offset; |
1605 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1401 | req->size = length; |
1606 | req->size = len; |
1402 | req->sv1 = SvREFCNT_inc (data); |
1607 | req->sv2 = SvREFCNT_inc (data); |
1403 | req->ptr1 = (char *)svptr + dataoffset; |
1608 | req->ptr1 = (char *)svptr + dataoffset; |
1404 | req->stroffset = dataoffset; |
1609 | req->stroffset = dataoffset; |
1405 | |
1610 | |
1406 | if (!SvREADONLY (data)) |
1611 | if (!SvREADONLY (data)) |
1407 | { |
1612 | { |
1408 | SvREADONLY_on (data); |
1613 | SvREADONLY_on (data); |
1409 | req->flags |= FLAG_SV1_RO_OFF; |
1614 | req->flags |= FLAG_SV2_RO_OFF; |
1410 | } |
1615 | } |
1411 | |
1616 | |
1412 | REQ_SEND; |
1617 | REQ_SEND; |
1413 | } |
1618 | } |
1414 | } |
1619 | } |
1415 | |
1620 | |
1416 | void |
1621 | void |
1417 | aio_readlink (path,callback=&PL_sv_undef) |
1622 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1418 | SV * path |
|
|
1419 | SV * callback |
|
|
1420 | PROTOTYPE: $$;$ |
1623 | PROTOTYPE: $$;$ |
1421 | PPCODE: |
1624 | PPCODE: |
1422 | { |
1625 | { |
1423 | SV *data; |
1626 | SV *data; |
1424 | dREQ; |
1627 | dREQ; |
1425 | |
1628 | |
1426 | data = newSV (NAME_MAX); |
1629 | data = newSV (NAME_MAX); |
1427 | SvPOK_on (data); |
1630 | SvPOK_on (data); |
1428 | |
1631 | |
1429 | req->type = REQ_READLINK; |
1632 | req->type = REQ_READLINK; |
1430 | req->fh = newSVsv (path); |
1633 | req->sv1 = newSVsv (path); |
1431 | req->ptr2 = SvPVbyte_nolen (path); |
1634 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
1432 | req->sv1 = data; |
1635 | req->sv2 = data; |
1433 | req->ptr1 = SvPVbyte_nolen (data); |
1636 | req->ptr1 = SvPVbyte_nolen (data); |
1434 | |
1637 | |
1435 | REQ_SEND; |
1638 | REQ_SEND; |
1436 | } |
1639 | } |
1437 | |
1640 | |
1438 | void |
1641 | void |
1439 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1642 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1440 | SV * out_fh |
|
|
1441 | SV * in_fh |
|
|
1442 | UV in_offset |
|
|
1443 | UV length |
|
|
1444 | SV * callback |
|
|
1445 | PROTOTYPE: $$$$;$ |
1643 | PROTOTYPE: $$$$;$ |
1446 | PPCODE: |
1644 | PPCODE: |
1447 | { |
1645 | { |
1448 | dREQ; |
1646 | dREQ; |
1449 | |
1647 | |
1450 | req->type = REQ_SENDFILE; |
1648 | req->type = REQ_SENDFILE; |
1451 | req->fh = newSVsv (out_fh); |
1649 | req->sv1 = newSVsv (out_fh); |
1452 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1650 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1453 | req->sv2 = newSVsv (in_fh); |
1651 | req->sv2 = newSVsv (in_fh); |
1454 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1652 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1455 | req->offs = in_offset; |
1653 | req->offs = SvVAL64 (in_offset); |
1456 | req->size = length; |
1654 | req->size = length; |
1457 | |
1655 | |
1458 | REQ_SEND; |
1656 | REQ_SEND; |
1459 | } |
1657 | } |
1460 | |
1658 | |
1461 | void |
1659 | void |
1462 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1660 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1463 | SV * fh |
|
|
1464 | UV offset |
|
|
1465 | IV length |
|
|
1466 | SV * callback |
|
|
1467 | PROTOTYPE: $$$;$ |
1661 | PROTOTYPE: $$$;$ |
1468 | PPCODE: |
1662 | PPCODE: |
1469 | { |
1663 | { |
1470 | dREQ; |
1664 | dREQ; |
1471 | |
1665 | |
1472 | req->type = REQ_READAHEAD; |
1666 | req->type = REQ_READAHEAD; |
1473 | req->fh = newSVsv (fh); |
1667 | req->sv1 = newSVsv (fh); |
1474 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1668 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1475 | req->offs = offset; |
1669 | req->offs = SvVAL64 (offset); |
1476 | req->size = length; |
1670 | req->size = length; |
1477 | |
1671 | |
1478 | REQ_SEND; |
1672 | REQ_SEND; |
1479 | } |
1673 | } |
1480 | |
1674 | |
1481 | void |
1675 | void |
1482 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1676 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1483 | SV * fh_or_path |
|
|
1484 | SV * callback |
|
|
1485 | ALIAS: |
1677 | ALIAS: |
1486 | aio_stat = REQ_STAT |
1678 | aio_stat = REQ_STAT |
1487 | aio_lstat = REQ_LSTAT |
1679 | aio_lstat = REQ_LSTAT |
1488 | PPCODE: |
1680 | PPCODE: |
1489 | { |
1681 | { |
1490 | dREQ; |
1682 | dREQ; |
1491 | |
1683 | |
1492 | req->ptr2 = malloc (sizeof (Stat_t)); |
1684 | req->ptr2 = malloc (sizeof (Stat_t)); |
1493 | if (!req->ptr2) |
1685 | if (!req->ptr2) |
1494 | { |
1686 | { |
1495 | req_free (req); |
1687 | req_destroy (req); |
1496 | croak ("out of memory during aio_stat statdata allocation"); |
1688 | croak ("out of memory during aio_stat statdata allocation"); |
1497 | } |
1689 | } |
1498 | |
1690 | |
1499 | req->flags |= FLAG_PTR2_FREE; |
1691 | req->flags |= FLAG_PTR2_FREE; |
|
|
1692 | req->sv1 = newSVsv (fh_or_path); |
1500 | |
1693 | |
1501 | if (SvPOK (fh_or_path)) |
1694 | if (SvPOK (fh_or_path)) |
1502 | { |
1695 | { |
1503 | req->type = ix; |
1696 | req->type = ix; |
1504 | req->sv1 = newSVsv (fh_or_path); |
|
|
1505 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1697 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1506 | } |
1698 | } |
1507 | else |
1699 | else |
1508 | { |
1700 | { |
1509 | req->type = REQ_FSTAT; |
1701 | req->type = REQ_FSTAT; |
1510 | req->fh = newSVsv (fh_or_path); |
|
|
1511 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1702 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1512 | } |
1703 | } |
1513 | |
1704 | |
1514 | REQ_SEND; |
1705 | REQ_SEND; |
1515 | } |
1706 | } |
1516 | |
1707 | |
1517 | 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 |
1518 | aio_unlink (pathname,callback=&PL_sv_undef) |
1803 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1519 | SV * pathname |
|
|
1520 | SV * callback |
|
|
1521 | ALIAS: |
1804 | ALIAS: |
1522 | aio_unlink = REQ_UNLINK |
1805 | aio_unlink = REQ_UNLINK |
1523 | aio_rmdir = REQ_RMDIR |
1806 | aio_rmdir = REQ_RMDIR |
1524 | aio_readdir = REQ_READDIR |
1807 | aio_readdir = REQ_READDIR |
1525 | PPCODE: |
1808 | PPCODE: |
1526 | { |
1809 | { |
1527 | dREQ; |
1810 | dREQ; |
1528 | |
1811 | |
1529 | req->type = ix; |
1812 | req->type = ix; |
1530 | req->sv1 = newSVsv (pathname); |
1813 | req->sv1 = newSVsv (pathname); |
1531 | req->ptr1 = SvPVbyte_nolen (pathname); |
1814 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1532 | |
1815 | |
1533 | REQ_SEND; |
1816 | REQ_SEND; |
1534 | } |
1817 | } |
1535 | |
1818 | |
1536 | void |
1819 | void |
|
|
1820 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1821 | PPCODE: |
|
|
1822 | { |
|
|
1823 | dREQ; |
|
|
1824 | |
|
|
1825 | req->type = REQ_MKDIR; |
|
|
1826 | req->sv1 = newSVsv (pathname); |
|
|
1827 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1828 | req->mode = mode; |
|
|
1829 | |
|
|
1830 | REQ_SEND; |
|
|
1831 | } |
|
|
1832 | |
|
|
1833 | void |
1537 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1834 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1538 | SV * oldpath |
|
|
1539 | SV * newpath |
|
|
1540 | SV * callback |
|
|
1541 | ALIAS: |
1835 | ALIAS: |
1542 | aio_link = REQ_LINK |
1836 | aio_link = REQ_LINK |
1543 | aio_symlink = REQ_SYMLINK |
1837 | aio_symlink = REQ_SYMLINK |
1544 | aio_rename = REQ_RENAME |
1838 | aio_rename = REQ_RENAME |
1545 | PPCODE: |
1839 | PPCODE: |
1546 | { |
1840 | { |
1547 | dREQ; |
1841 | dREQ; |
1548 | |
1842 | |
1549 | req->type = ix; |
1843 | req->type = ix; |
1550 | req->fh = newSVsv (oldpath); |
1844 | req->sv2 = newSVsv (oldpath); |
1551 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1845 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1552 | req->sv1 = newSVsv (newpath); |
1846 | req->sv1 = newSVsv (newpath); |
1553 | req->ptr1 = SvPVbyte_nolen (newpath); |
1847 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1554 | |
1848 | |
1555 | REQ_SEND; |
1849 | REQ_SEND; |
1556 | } |
1850 | } |
1557 | |
1851 | |
1558 | void |
1852 | void |
1559 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1853 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1560 | SV * pathname |
|
|
1561 | SV * callback |
|
|
1562 | UV mode |
|
|
1563 | UV dev |
|
|
1564 | PPCODE: |
1854 | PPCODE: |
1565 | { |
1855 | { |
1566 | dREQ; |
1856 | dREQ; |
1567 | |
1857 | |
1568 | req->type = REQ_MKNOD; |
1858 | req->type = REQ_MKNOD; |
1569 | req->sv1 = newSVsv (pathname); |
1859 | req->sv1 = newSVsv (pathname); |
1570 | req->ptr1 = SvPVbyte_nolen (pathname); |
1860 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1571 | req->mode = (mode_t)mode; |
1861 | req->mode = (mode_t)mode; |
1572 | req->offs = dev; |
1862 | req->offs = dev; |
1573 | |
1863 | |
1574 | REQ_SEND; |
1864 | REQ_SEND; |
1575 | } |
1865 | } |
1576 | |
1866 | |
1577 | void |
1867 | void |
1578 | aio_busy (delay,callback=&PL_sv_undef) |
1868 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1579 | double delay |
|
|
1580 | SV * callback |
|
|
1581 | PPCODE: |
1869 | PPCODE: |
1582 | { |
1870 | { |
1583 | dREQ; |
1871 | dREQ; |
1584 | |
1872 | |
1585 | req->type = REQ_BUSY; |
1873 | req->type = REQ_BUSY; |
1586 | req->int1 = delay < 0. ? 0 : delay; |
1874 | req->nv1 = delay < 0. ? 0. : delay; |
1587 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1588 | |
1875 | |
1589 | REQ_SEND; |
1876 | REQ_SEND; |
1590 | } |
1877 | } |
1591 | |
1878 | |
1592 | void |
1879 | void |
1593 | aio_group (callback=&PL_sv_undef) |
1880 | aio_group (SV *callback=&PL_sv_undef) |
1594 | SV * callback |
|
|
1595 | PROTOTYPE: ;$ |
1881 | PROTOTYPE: ;$ |
1596 | PPCODE: |
1882 | PPCODE: |
1597 | { |
1883 | { |
1598 | dREQ; |
1884 | dREQ; |
1599 | |
1885 | |
… | |
… | |
1602 | req_send (req); |
1888 | req_send (req); |
1603 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1889 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1604 | } |
1890 | } |
1605 | |
1891 | |
1606 | void |
1892 | void |
1607 | aio_nop (callback=&PL_sv_undef) |
1893 | aio_nop (SV *callback=&PL_sv_undef) |
1608 | SV * callback |
1894 | ALIAS: |
|
|
1895 | aio_nop = REQ_NOP |
|
|
1896 | aio_sync = REQ_SYNC |
1609 | PPCODE: |
1897 | PPCODE: |
1610 | { |
1898 | { |
1611 | dREQ; |
1899 | dREQ; |
1612 | |
1900 | |
1613 | req->type = REQ_NOP; |
1901 | req->type = ix; |
1614 | |
1902 | |
1615 | REQ_SEND; |
1903 | REQ_SEND; |
1616 | } |
1904 | } |
1617 | |
1905 | |
1618 | int |
1906 | int |
… | |
… | |
1642 | PROTOTYPE: |
1930 | PROTOTYPE: |
1643 | CODE: |
1931 | CODE: |
1644 | while (nreqs) |
1932 | while (nreqs) |
1645 | { |
1933 | { |
1646 | poll_wait (); |
1934 | poll_wait (); |
1647 | poll_cb (0); |
1935 | poll_cb (); |
1648 | } |
1936 | } |
1649 | |
1937 | |
1650 | void |
1938 | int |
1651 | poll() |
1939 | poll() |
1652 | PROTOTYPE: |
1940 | PROTOTYPE: |
1653 | CODE: |
1941 | CODE: |
1654 | if (nreqs) |
|
|
1655 | { |
|
|
1656 | poll_wait (); |
1942 | poll_wait (); |
1657 | poll_cb (0); |
1943 | RETVAL = poll_cb (); |
1658 | } |
1944 | OUTPUT: |
|
|
1945 | RETVAL |
1659 | |
1946 | |
1660 | int |
1947 | int |
1661 | poll_fileno() |
1948 | poll_fileno() |
1662 | PROTOTYPE: |
1949 | PROTOTYPE: |
1663 | CODE: |
1950 | CODE: |
… | |
… | |
1675 | |
1962 | |
1676 | void |
1963 | void |
1677 | poll_wait() |
1964 | poll_wait() |
1678 | PROTOTYPE: |
1965 | PROTOTYPE: |
1679 | CODE: |
1966 | CODE: |
1680 | if (nreqs) |
|
|
1681 | 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 | } |
1682 | |
2004 | |
1683 | int |
2005 | int |
1684 | nreqs() |
2006 | nreqs() |
1685 | PROTOTYPE: |
2007 | PROTOTYPE: |
1686 | CODE: |
2008 | CODE: |
… | |
… | |
1706 | |
2028 | |
1707 | int |
2029 | int |
1708 | nthreads() |
2030 | nthreads() |
1709 | PROTOTYPE: |
2031 | PROTOTYPE: |
1710 | CODE: |
2032 | CODE: |
1711 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
2033 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1712 | RETVAL = started; |
2034 | RETVAL = started; |
1713 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
2035 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1714 | OUTPUT: |
2036 | OUTPUT: |
1715 | RETVAL |
2037 | RETVAL |
1716 | |
2038 | |
1717 | PROTOTYPES: DISABLE |
2039 | PROTOTYPES: DISABLE |
1718 | |
2040 | |
… | |
… | |
1736 | PPCODE: |
2058 | PPCODE: |
1737 | { |
2059 | { |
1738 | int i; |
2060 | int i; |
1739 | aio_req req; |
2061 | aio_req req; |
1740 | |
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 | |
1741 | if (grp->int1 == 2) |
2066 | if (grp->int1 == 2) |
1742 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2067 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1743 | |
2068 | |
1744 | for (i = 1; i < items; ++i ) |
2069 | for (i = 1; i < items; ++i ) |
1745 | { |
2070 | { |