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 stat |
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30 | # undef fstat |
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31 | # define lstat stat |
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32 | # undef truncate |
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33 | # undef ftruncate |
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34 | # undef open |
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35 | # undef close |
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36 | # undef unlink |
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37 | # undef rmdir |
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38 | # undef rename |
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39 | # undef lseek |
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40 | |
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41 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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42 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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43 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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44 | # define symlink(a,b) (errno = ENOSYS, -1) |
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45 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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46 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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47 | # define truncate(a,b) (errno = ENOSYS, -1) |
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48 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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49 | # define fsync(fd) _commit (fd) |
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50 | # define opendir(fd) (errno = ENOSYS, 0) |
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51 | # define readdir(fd) (errno = ENOSYS, -1) |
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52 | # define closedir(fd) (errno = ENOSYS, -1) |
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53 | # define mkdir(a,b) mkdir (a) |
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54 | |
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55 | #else |
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56 | |
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57 | # include "autoconf/config.h" |
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58 | # include <sys/time.h> |
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59 | # include <sys/select.h> |
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60 | # include <unistd.h> |
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61 | # include <utime.h> |
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62 | # include <signal.h> |
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63 | typedef struct dirent X_DIRENT; |
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64 | |
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65 | #endif |
32 | |
66 | |
33 | #if HAVE_SENDFILE |
67 | #if HAVE_SENDFILE |
34 | # if __linux |
68 | # if __linux |
35 | # include <sys/sendfile.h> |
69 | # include <sys/sendfile.h> |
36 | # elif __freebsd |
70 | # elif __freebsd |
… | |
… | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
85 | /* used for struct dirent, AIX doesn't provide it */ |
52 | #ifndef NAME_MAX |
86 | #ifndef NAME_MAX |
53 | # define NAME_MAX 4096 |
87 | # define NAME_MAX 4096 |
54 | #endif |
88 | #endif |
55 | |
89 | |
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 */ |
90 | /* buffer size for various temporary buffers */ |
82 | #define AIO_BUFSIZE 65536 |
91 | #define AIO_BUFSIZE 65536 |
83 | |
92 | |
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93 | /* use NV for 32 bit perls as it allows larger offsets */ |
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94 | #if IVSIZE >= 8 |
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95 | # define SvVAL64 SvIV |
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96 | #else |
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97 | # define SvVAL64 SvNV |
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98 | #endif |
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99 | |
84 | #define dBUF \ |
100 | #define dBUF \ |
85 | char *aio_buf; \ |
101 | char *aio_buf; \ |
86 | LOCK (wrklock); \ |
102 | X_LOCK (wrklock); \ |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
103 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
88 | UNLOCK (wrklock); \ |
104 | X_UNLOCK (wrklock); \ |
89 | if (!aio_buf) \ |
105 | if (!aio_buf) \ |
90 | return -1; |
106 | return -1; |
91 | |
107 | |
92 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
108 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
93 | |
109 | |
94 | enum { |
110 | enum { |
95 | REQ_QUIT, |
111 | REQ_QUIT, |
96 | REQ_OPEN, REQ_CLOSE, |
112 | REQ_OPEN, REQ_CLOSE, |
97 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
113 | REQ_READ, REQ_WRITE, |
98 | REQ_SENDFILE, |
114 | REQ_READAHEAD, REQ_SENDFILE, |
99 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
115 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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116 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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117 | REQ_UTIME, REQ_FUTIME, |
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118 | REQ_CHMOD, REQ_FCHMOD, |
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119 | REQ_CHOWN, REQ_FCHOWN, |
100 | REQ_FSYNC, REQ_FDATASYNC, |
120 | REQ_FSYNC, REQ_FDATASYNC, |
101 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
121 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
102 | REQ_MKNOD, REQ_READDIR, |
122 | REQ_MKNOD, REQ_READDIR, |
103 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
123 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
104 | REQ_GROUP, REQ_NOP, |
124 | REQ_GROUP, REQ_NOP, |
105 | REQ_BUSY, |
125 | REQ_BUSY, |
106 | }; |
126 | }; |
… | |
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110 | |
130 | |
111 | typedef struct aio_cb |
131 | typedef struct aio_cb |
112 | { |
132 | { |
113 | struct aio_cb *volatile next; |
133 | struct aio_cb *volatile next; |
114 | |
134 | |
115 | SV *callback, *fh; |
135 | SV *callback; |
116 | SV *sv1, *sv2; |
136 | SV *sv1, *sv2; |
117 | void *ptr1, *ptr2; |
137 | void *ptr1, *ptr2; |
118 | off_t offs; |
138 | off_t offs; |
119 | size_t size; |
139 | size_t size; |
120 | ssize_t result; |
140 | ssize_t result; |
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141 | double nv1, nv2; |
121 | |
142 | |
122 | STRLEN stroffset; |
143 | STRLEN stroffset; |
123 | int type; |
144 | int type; |
124 | int int1, int2; |
145 | int int1, int2, int3; |
125 | int errorno; |
146 | int errorno; |
126 | mode_t mode; /* open */ |
147 | mode_t mode; /* open */ |
127 | |
148 | |
128 | unsigned char flags; |
149 | unsigned char flags; |
129 | unsigned char pri; |
150 | unsigned char pri; |
… | |
… | |
132 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
153 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
133 | } aio_cb; |
154 | } aio_cb; |
134 | |
155 | |
135 | enum { |
156 | enum { |
136 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
157 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
137 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
158 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
138 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
159 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
139 | }; |
160 | }; |
140 | |
161 | |
141 | typedef aio_cb *aio_req; |
162 | typedef aio_cb *aio_req; |
142 | typedef aio_cb *aio_req_ornot; |
163 | typedef aio_cb *aio_req_ornot; |
… | |
… | |
160 | { |
181 | { |
161 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
182 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
162 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
183 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
163 | } |
184 | } |
164 | |
185 | |
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186 | static thread_t main_tid; |
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187 | static int main_sig; |
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188 | static int block_sig_level; |
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189 | |
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190 | void block_sig () |
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191 | { |
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192 | sigset_t ss; |
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193 | |
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194 | if (block_sig_level++) |
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195 | return; |
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196 | |
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197 | if (!main_sig) |
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198 | return; |
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199 | |
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200 | sigemptyset (&ss); |
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201 | sigaddset (&ss, main_sig); |
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202 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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203 | } |
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204 | |
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205 | void unblock_sig () |
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206 | { |
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207 | sigset_t ss; |
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208 | |
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209 | if (--block_sig_level) |
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210 | return; |
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211 | |
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212 | if (!main_sig) |
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213 | return; |
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214 | |
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215 | sigemptyset (&ss); |
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216 | sigaddset (&ss, main_sig); |
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217 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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218 | } |
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219 | |
165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
220 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
166 | |
221 | |
167 | static unsigned int started, idle, wanted; |
222 | static unsigned int started, idle, wanted; |
168 | |
223 | |
169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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171 | #else |
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172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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173 | #endif |
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174 | |
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175 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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176 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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177 | |
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178 | /* worker threads management */ |
224 | /* worker threads management */ |
179 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
225 | static mutex_t wrklock = X_MUTEX_INIT; |
180 | |
226 | |
181 | typedef struct worker { |
227 | typedef struct worker { |
182 | /* locked by wrklock */ |
228 | /* locked by wrklock */ |
183 | struct worker *prev, *next; |
229 | struct worker *prev, *next; |
184 | |
230 | |
185 | pthread_t tid; |
231 | thread_t tid; |
186 | |
232 | |
187 | /* locked by reslock, reqlock or wrklock */ |
233 | /* locked by reslock, reqlock or wrklock */ |
188 | aio_req req; /* currently processed request */ |
234 | aio_req req; /* currently processed request */ |
189 | void *dbuf; |
235 | void *dbuf; |
190 | DIR *dirp; |
236 | DIR *dirp; |
… | |
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218 | static volatile unsigned int nreqs, nready, npending; |
264 | static volatile unsigned int nreqs, nready, npending; |
219 | static volatile unsigned int max_idle = 4; |
265 | static volatile unsigned int max_idle = 4; |
220 | static volatile unsigned int max_outstanding = 0xffffffff; |
266 | static volatile unsigned int max_outstanding = 0xffffffff; |
221 | static int respipe [2]; |
267 | static int respipe [2]; |
222 | |
268 | |
223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
269 | static mutex_t reslock = X_MUTEX_INIT; |
224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
270 | static mutex_t reqlock = X_MUTEX_INIT; |
225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
271 | static cond_t reqwait = X_COND_INIT; |
226 | |
272 | |
227 | #if WORDACCESS_UNSAFE |
273 | #if WORDACCESS_UNSAFE |
228 | |
274 | |
229 | static unsigned int get_nready () |
275 | static unsigned int get_nready () |
230 | { |
276 | { |
231 | unsigned int retval; |
277 | unsigned int retval; |
232 | |
278 | |
233 | LOCK (reqlock); |
279 | X_LOCK (reqlock); |
234 | retval = nready; |
280 | retval = nready; |
235 | UNLOCK (reqlock); |
281 | X_UNLOCK (reqlock); |
236 | |
282 | |
237 | return retval; |
283 | return retval; |
238 | } |
284 | } |
239 | |
285 | |
240 | static unsigned int get_npending () |
286 | static unsigned int get_npending () |
241 | { |
287 | { |
242 | unsigned int retval; |
288 | unsigned int retval; |
243 | |
289 | |
244 | LOCK (reslock); |
290 | X_LOCK (reslock); |
245 | retval = npending; |
291 | retval = npending; |
246 | UNLOCK (reslock); |
292 | X_UNLOCK (reslock); |
247 | |
293 | |
248 | return retval; |
294 | return retval; |
249 | } |
295 | } |
250 | |
296 | |
251 | static unsigned int get_nthreads () |
297 | static unsigned int get_nthreads () |
252 | { |
298 | { |
253 | unsigned int retval; |
299 | unsigned int retval; |
254 | |
300 | |
255 | LOCK (wrklock); |
301 | X_LOCK (wrklock); |
256 | retval = started; |
302 | retval = started; |
257 | UNLOCK (wrklock); |
303 | X_UNLOCK (wrklock); |
258 | |
304 | |
259 | return retval; |
305 | return retval; |
260 | } |
306 | } |
261 | |
307 | |
262 | #else |
308 | #else |
… | |
… | |
320 | |
366 | |
321 | abort (); |
367 | abort (); |
322 | } |
368 | } |
323 | |
369 | |
324 | static int poll_cb (); |
370 | static int poll_cb (); |
325 | static void req_invoke (aio_req req); |
371 | static int req_invoke (aio_req req); |
326 | static void req_free (aio_req req); |
372 | static void req_destroy (aio_req req); |
327 | static void req_cancel (aio_req req); |
373 | static void req_cancel (aio_req req); |
328 | |
374 | |
329 | /* must be called at most once */ |
375 | /* must be called at most once */ |
330 | static SV *req_sv (aio_req req, const char *klass) |
376 | static SV *req_sv (aio_req req, const char *klass) |
331 | { |
377 | { |
… | |
… | |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
396 | return mg ? (aio_req)mg->mg_ptr : 0; |
351 | } |
397 | } |
352 | |
398 | |
353 | static void aio_grp_feed (aio_req grp) |
399 | static void aio_grp_feed (aio_req grp) |
354 | { |
400 | { |
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401 | block_sig (); |
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402 | |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
403 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
356 | { |
404 | { |
357 | int old_len = grp->size; |
405 | int old_len = grp->size; |
358 | |
406 | |
359 | if (grp->sv2 && SvOK (grp->sv2)) |
407 | if (grp->sv2 && SvOK (grp->sv2)) |
… | |
… | |
377 | SvREFCNT_dec (grp->sv2); |
425 | SvREFCNT_dec (grp->sv2); |
378 | grp->sv2 = 0; |
426 | grp->sv2 = 0; |
379 | break; |
427 | break; |
380 | } |
428 | } |
381 | } |
429 | } |
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430 | |
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431 | unblock_sig (); |
382 | } |
432 | } |
383 | |
433 | |
384 | static void aio_grp_dec (aio_req grp) |
434 | static void aio_grp_dec (aio_req grp) |
385 | { |
435 | { |
386 | --grp->size; |
436 | --grp->size; |
… | |
… | |
389 | aio_grp_feed (grp); |
439 | aio_grp_feed (grp); |
390 | |
440 | |
391 | /* finish, if done */ |
441 | /* finish, if done */ |
392 | if (!grp->size && grp->int1) |
442 | if (!grp->size && grp->int1) |
393 | { |
443 | { |
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444 | block_sig (); |
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445 | |
394 | req_invoke (grp); |
446 | if (!req_invoke (grp)) |
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447 | { |
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448 | req_destroy (grp); |
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449 | unblock_sig (); |
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450 | croak (0); |
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451 | } |
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452 | |
395 | req_free (grp); |
453 | req_destroy (grp); |
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454 | unblock_sig (); |
396 | } |
455 | } |
397 | } |
456 | } |
398 | |
457 | |
399 | static void req_invoke (aio_req req) |
458 | static int req_invoke (aio_req req) |
400 | { |
459 | { |
401 | dSP; |
460 | dSP; |
402 | |
461 | |
403 | if (req->flags & FLAG_SV1_RO_OFF) |
462 | if (req->flags & FLAG_SV2_RO_OFF) |
404 | SvREADONLY_off (req->sv1); |
463 | SvREADONLY_off (req->sv2); |
405 | |
464 | |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
465 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
407 | { |
466 | { |
408 | ENTER; |
467 | ENTER; |
409 | SAVETMPS; |
468 | SAVETMPS; |
… | |
… | |
447 | PUSHs (sv_2mortal (newSViv (req->result))); |
506 | PUSHs (sv_2mortal (newSViv (req->result))); |
448 | PUTBACK; |
507 | PUTBACK; |
449 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
508 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
450 | SPAGAIN; |
509 | SPAGAIN; |
451 | |
510 | |
452 | fh = SvREFCNT_inc (POPs); |
511 | fh = POPs; |
453 | |
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454 | PUSHMARK (SP); |
512 | PUSHMARK (SP); |
455 | XPUSHs (sv_2mortal (fh)); |
513 | XPUSHs (fh); |
456 | } |
514 | } |
457 | break; |
515 | break; |
458 | |
516 | |
459 | case REQ_GROUP: |
517 | case REQ_GROUP: |
460 | req->int1 = 2; /* mark group as finished */ |
518 | req->int1 = 2; /* mark group as finished */ |
… | |
… | |
475 | break; |
533 | break; |
476 | |
534 | |
477 | case REQ_READLINK: |
535 | case REQ_READLINK: |
478 | if (req->result > 0) |
536 | if (req->result > 0) |
479 | { |
537 | { |
480 | SvCUR_set (req->sv1, req->result); |
538 | SvCUR_set (req->sv2, req->result); |
481 | *SvEND (req->sv1) = 0; |
539 | *SvEND (req->sv2) = 0; |
482 | PUSHs (req->sv1); |
540 | PUSHs (req->sv2); |
483 | } |
541 | } |
484 | break; |
542 | break; |
485 | |
543 | |
486 | case REQ_STAT: |
544 | case REQ_STAT: |
487 | case REQ_LSTAT: |
545 | case REQ_LSTAT: |
… | |
… | |
491 | PL_statcache = *(Stat_t *)(req->ptr2); |
549 | PL_statcache = *(Stat_t *)(req->ptr2); |
492 | PUSHs (sv_2mortal (newSViv (req->result))); |
550 | PUSHs (sv_2mortal (newSViv (req->result))); |
493 | break; |
551 | break; |
494 | |
552 | |
495 | case REQ_READ: |
553 | case REQ_READ: |
496 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
554 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
497 | *SvEND (req->sv1) = 0; |
555 | *SvEND (req->sv2) = 0; |
498 | PUSHs (sv_2mortal (newSViv (req->result))); |
556 | PUSHs (sv_2mortal (newSViv (req->result))); |
499 | break; |
557 | break; |
500 | |
558 | |
501 | default: |
559 | default: |
502 | PUSHs (sv_2mortal (newSViv (req->result))); |
560 | PUSHs (sv_2mortal (newSViv (req->result))); |
… | |
… | |
525 | grp->grp_first = req->grp_next; |
583 | grp->grp_first = req->grp_next; |
526 | |
584 | |
527 | aio_grp_dec (grp); |
585 | aio_grp_dec (grp); |
528 | } |
586 | } |
529 | |
587 | |
530 | if (SvTRUE (ERRSV)) |
588 | return !SvTRUE (ERRSV); |
531 | { |
|
|
532 | req_free (req); |
|
|
533 | croak (0); |
|
|
534 | } |
|
|
535 | } |
589 | } |
536 | |
590 | |
537 | static void req_free (aio_req req) |
591 | static void req_destroy (aio_req req) |
538 | { |
592 | { |
539 | if (req->self) |
593 | if (req->self) |
540 | { |
594 | { |
541 | sv_unmagic (req->self, PERL_MAGIC_ext); |
595 | sv_unmagic (req->self, PERL_MAGIC_ext); |
542 | SvREFCNT_dec (req->self); |
596 | SvREFCNT_dec (req->self); |
543 | } |
597 | } |
544 | |
598 | |
545 | SvREFCNT_dec (req->fh); |
|
|
546 | SvREFCNT_dec (req->sv1); |
599 | SvREFCNT_dec (req->sv1); |
547 | SvREFCNT_dec (req->sv2); |
600 | SvREFCNT_dec (req->sv2); |
548 | SvREFCNT_dec (req->callback); |
601 | SvREFCNT_dec (req->callback); |
549 | |
602 | |
550 | if (req->flags & FLAG_PTR2_FREE) |
603 | if (req->flags & FLAG_PTR2_FREE) |
… | |
… | |
572 | req->flags |= FLAG_CANCELLED; |
625 | req->flags |= FLAG_CANCELLED; |
573 | |
626 | |
574 | req_cancel_subs (req); |
627 | req_cancel_subs (req); |
575 | } |
628 | } |
576 | |
629 | |
577 | static void *aio_proc(void *arg); |
630 | X_THREAD_PROC (aio_proc); |
578 | |
631 | |
579 | static void start_thread (void) |
632 | static void start_thread (void) |
580 | { |
633 | { |
581 | sigset_t fullsigset, oldsigset; |
|
|
582 | pthread_attr_t attr; |
|
|
583 | |
|
|
584 | worker *wrk = calloc (1, sizeof (worker)); |
634 | worker *wrk = calloc (1, sizeof (worker)); |
585 | |
635 | |
586 | if (!wrk) |
636 | if (!wrk) |
587 | croak ("unable to allocate worker thread data"); |
637 | croak ("unable to allocate worker thread data"); |
588 | |
638 | |
589 | pthread_attr_init (&attr); |
|
|
590 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
591 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
592 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
593 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
594 | #endif |
|
|
595 | |
|
|
596 | sigfillset (&fullsigset); |
|
|
597 | |
|
|
598 | LOCK (wrklock); |
639 | X_LOCK (wrklock); |
599 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
600 | |
640 | |
601 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
641 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
602 | { |
642 | { |
603 | wrk->prev = &wrk_first; |
643 | wrk->prev = &wrk_first; |
604 | wrk->next = wrk_first.next; |
644 | wrk->next = wrk_first.next; |
605 | wrk_first.next->prev = wrk; |
645 | wrk_first.next->prev = wrk; |
606 | wrk_first.next = wrk; |
646 | wrk_first.next = wrk; |
607 | ++started; |
647 | ++started; |
608 | } |
648 | } |
609 | else |
649 | else |
610 | free (wrk); |
650 | free (wrk); |
611 | |
651 | |
612 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
613 | UNLOCK (wrklock); |
652 | X_UNLOCK (wrklock); |
614 | } |
653 | } |
615 | |
654 | |
616 | static void maybe_start_thread () |
655 | static void maybe_start_thread () |
617 | { |
656 | { |
618 | if (get_nthreads () >= wanted) |
657 | if (get_nthreads () >= wanted) |
… | |
… | |
625 | start_thread (); |
664 | start_thread (); |
626 | } |
665 | } |
627 | |
666 | |
628 | static void req_send (aio_req req) |
667 | static void req_send (aio_req req) |
629 | { |
668 | { |
|
|
669 | block_sig (); |
|
|
670 | |
630 | ++nreqs; |
671 | ++nreqs; |
631 | |
672 | |
632 | LOCK (reqlock); |
673 | X_LOCK (reqlock); |
633 | ++nready; |
674 | ++nready; |
634 | reqq_push (&req_queue, req); |
675 | reqq_push (&req_queue, req); |
635 | pthread_cond_signal (&reqwait); |
676 | X_COND_SIGNAL (reqwait); |
636 | UNLOCK (reqlock); |
677 | X_UNLOCK (reqlock); |
|
|
678 | |
|
|
679 | unblock_sig (); |
637 | |
680 | |
638 | maybe_start_thread (); |
681 | maybe_start_thread (); |
639 | } |
682 | } |
640 | |
683 | |
641 | static void end_thread (void) |
684 | static void end_thread (void) |
… | |
… | |
645 | Newz (0, req, 1, aio_cb); |
688 | Newz (0, req, 1, aio_cb); |
646 | |
689 | |
647 | req->type = REQ_QUIT; |
690 | req->type = REQ_QUIT; |
648 | req->pri = PRI_MAX + PRI_BIAS; |
691 | req->pri = PRI_MAX + PRI_BIAS; |
649 | |
692 | |
650 | LOCK (reqlock); |
693 | X_LOCK (reqlock); |
651 | reqq_push (&req_queue, req); |
694 | reqq_push (&req_queue, req); |
652 | pthread_cond_signal (&reqwait); |
695 | X_COND_SIGNAL (reqwait); |
653 | UNLOCK (reqlock); |
696 | X_UNLOCK (reqlock); |
654 | |
697 | |
655 | LOCK (wrklock); |
698 | X_LOCK (wrklock); |
656 | --started; |
699 | --started; |
657 | UNLOCK (wrklock); |
700 | X_UNLOCK (wrklock); |
658 | } |
701 | } |
659 | |
702 | |
660 | static void set_max_idle (int nthreads) |
703 | static void set_max_idle (int nthreads) |
661 | { |
704 | { |
662 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
705 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
663 | max_idle = nthreads <= 0 ? 1 : nthreads; |
706 | max_idle = nthreads <= 0 ? 1 : nthreads; |
664 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
707 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
665 | } |
708 | } |
666 | |
709 | |
667 | static void min_parallel (int nthreads) |
710 | static void min_parallel (int nthreads) |
668 | { |
711 | { |
669 | if (wanted < nthreads) |
712 | if (wanted < nthreads) |
… | |
… | |
684 | fd_set rfd; |
727 | fd_set rfd; |
685 | |
728 | |
686 | while (nreqs) |
729 | while (nreqs) |
687 | { |
730 | { |
688 | int size; |
731 | int size; |
689 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
732 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
690 | size = res_queue.size; |
733 | size = res_queue.size; |
691 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
734 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
692 | |
735 | |
693 | if (size) |
736 | if (size) |
694 | return; |
737 | return; |
695 | |
738 | |
696 | maybe_start_thread (); |
739 | maybe_start_thread (); |
… | |
… | |
712 | aio_req req; |
755 | aio_req req; |
713 | |
756 | |
714 | if (max_poll_time) |
757 | if (max_poll_time) |
715 | gettimeofday (&tv_start, 0); |
758 | gettimeofday (&tv_start, 0); |
716 | |
759 | |
|
|
760 | block_sig (); |
|
|
761 | |
717 | for (;;) |
762 | for (;;) |
718 | { |
763 | { |
719 | for (;;) |
764 | for (;;) |
720 | { |
765 | { |
721 | maybe_start_thread (); |
766 | maybe_start_thread (); |
722 | |
767 | |
723 | LOCK (reslock); |
768 | X_LOCK (reslock); |
724 | req = reqq_shift (&res_queue); |
769 | req = reqq_shift (&res_queue); |
725 | |
770 | |
726 | if (req) |
771 | if (req) |
727 | { |
772 | { |
728 | --npending; |
773 | --npending; |
729 | |
774 | |
730 | if (!res_queue.size) |
775 | if (!res_queue.size) |
731 | { |
776 | { |
732 | /* read any signals sent by the worker threads */ |
777 | /* read any signals sent by the worker threads */ |
733 | char buf [32]; |
778 | char buf [4]; |
734 | while (read (respipe [0], buf, 32) == 32) |
779 | while (read (respipe [0], buf, 4) == 4) |
735 | ; |
780 | ; |
736 | } |
781 | } |
737 | } |
782 | } |
738 | |
783 | |
739 | UNLOCK (reslock); |
784 | X_UNLOCK (reslock); |
740 | |
785 | |
741 | if (!req) |
786 | if (!req) |
742 | break; |
787 | break; |
743 | |
788 | |
744 | --nreqs; |
789 | --nreqs; |
… | |
… | |
748 | req->int1 = 1; /* mark request as delayed */ |
793 | req->int1 = 1; /* mark request as delayed */ |
749 | continue; |
794 | continue; |
750 | } |
795 | } |
751 | else |
796 | else |
752 | { |
797 | { |
753 | req_invoke (req); |
798 | if (!req_invoke (req)) |
|
|
799 | { |
|
|
800 | req_destroy (req); |
|
|
801 | unblock_sig (); |
|
|
802 | croak (0); |
|
|
803 | } |
754 | |
804 | |
755 | count++; |
805 | count++; |
756 | } |
806 | } |
757 | |
807 | |
758 | req_free (req); |
808 | req_destroy (req); |
759 | |
809 | |
760 | if (maxreqs && !--maxreqs) |
810 | if (maxreqs && !--maxreqs) |
761 | break; |
811 | break; |
762 | |
812 | |
763 | if (max_poll_time) |
813 | if (max_poll_time) |
… | |
… | |
775 | poll_wait (); |
825 | poll_wait (); |
776 | |
826 | |
777 | ++maxreqs; |
827 | ++maxreqs; |
778 | } |
828 | } |
779 | |
829 | |
|
|
830 | unblock_sig (); |
780 | return count; |
831 | return count; |
781 | } |
|
|
782 | |
|
|
783 | static void create_pipe () |
|
|
784 | { |
|
|
785 | if (pipe (respipe)) |
|
|
786 | croak ("unable to initialize result pipe"); |
|
|
787 | |
|
|
788 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
789 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
790 | |
|
|
791 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
792 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
793 | } |
832 | } |
794 | |
833 | |
795 | /*****************************************************************************/ |
834 | /*****************************************************************************/ |
796 | /* work around various missing functions */ |
835 | /* work around various missing functions */ |
797 | |
836 | |
… | |
… | |
802 | /* |
841 | /* |
803 | * make our pread/pwrite safe against themselves, but not against |
842 | * make our pread/pwrite safe against themselves, but not against |
804 | * normal read/write by using a mutex. slows down execution a lot, |
843 | * normal read/write by using a mutex. slows down execution a lot, |
805 | * but that's your problem, not mine. |
844 | * but that's your problem, not mine. |
806 | */ |
845 | */ |
807 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
846 | static mutex_t preadwritelock = X_MUTEX_INIT; |
808 | |
847 | |
809 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
848 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
810 | { |
849 | { |
811 | ssize_t res; |
850 | ssize_t res; |
812 | off_t ooffset; |
851 | off_t ooffset; |
813 | |
852 | |
814 | LOCK (preadwritelock); |
853 | X_LOCK (preadwritelock); |
815 | ooffset = lseek (fd, 0, SEEK_CUR); |
854 | ooffset = lseek (fd, 0, SEEK_CUR); |
816 | lseek (fd, offset, SEEK_SET); |
855 | lseek (fd, offset, SEEK_SET); |
817 | res = read (fd, buf, count); |
856 | res = read (fd, buf, count); |
818 | lseek (fd, ooffset, SEEK_SET); |
857 | lseek (fd, ooffset, SEEK_SET); |
819 | UNLOCK (preadwritelock); |
858 | X_UNLOCK (preadwritelock); |
820 | |
859 | |
821 | return res; |
860 | return res; |
822 | } |
861 | } |
823 | |
862 | |
824 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
863 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
825 | { |
864 | { |
826 | ssize_t res; |
865 | ssize_t res; |
827 | off_t ooffset; |
866 | off_t ooffset; |
828 | |
867 | |
829 | LOCK (preadwritelock); |
868 | X_LOCK (preadwritelock); |
830 | ooffset = lseek (fd, 0, SEEK_CUR); |
869 | ooffset = lseek (fd, 0, SEEK_CUR); |
831 | lseek (fd, offset, SEEK_SET); |
870 | lseek (fd, offset, SEEK_SET); |
832 | res = write (fd, buf, count); |
871 | res = write (fd, buf, count); |
833 | lseek (fd, offset, SEEK_SET); |
872 | lseek (fd, offset, SEEK_SET); |
834 | UNLOCK (preadwritelock); |
873 | X_UNLOCK (preadwritelock); |
835 | |
874 | |
836 | return res; |
875 | return res; |
837 | } |
876 | } |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | #ifndef HAVE_FUTIMES |
|
|
880 | |
|
|
881 | # define utimes(path,times) aio_utimes (path, times) |
|
|
882 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
883 | |
|
|
884 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
885 | { |
|
|
886 | if (times) |
|
|
887 | { |
|
|
888 | struct utimbuf buf; |
|
|
889 | |
|
|
890 | buf.actime = times[0].tv_sec; |
|
|
891 | buf.modtime = times[1].tv_sec; |
|
|
892 | |
|
|
893 | return utime (filename, &buf); |
|
|
894 | } |
|
|
895 | else |
|
|
896 | return utime (filename, 0); |
|
|
897 | } |
|
|
898 | |
|
|
899 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
900 | { |
|
|
901 | errno = ENOSYS; |
|
|
902 | return -1; |
|
|
903 | } |
|
|
904 | |
838 | #endif |
905 | #endif |
839 | |
906 | |
840 | #if !HAVE_FDATASYNC |
907 | #if !HAVE_FDATASYNC |
841 | # define fdatasync fsync |
908 | # define fdatasync fsync |
842 | #endif |
909 | #endif |
… | |
… | |
844 | #if !HAVE_READAHEAD |
911 | #if !HAVE_READAHEAD |
845 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
912 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
846 | |
913 | |
847 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
914 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
848 | { |
915 | { |
|
|
916 | size_t todo = count; |
849 | dBUF; |
917 | dBUF; |
850 | |
918 | |
851 | while (count > 0) |
919 | while (todo > 0) |
852 | { |
920 | { |
853 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
921 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
854 | |
922 | |
855 | pread (fd, aio_buf, len, offset); |
923 | pread (fd, aio_buf, len, offset); |
856 | offset += len; |
924 | offset += len; |
857 | count -= len; |
925 | todo -= len; |
858 | } |
926 | } |
859 | |
927 | |
860 | errno = 0; |
928 | errno = 0; |
|
|
929 | return count; |
861 | } |
930 | } |
862 | |
931 | |
863 | #endif |
932 | #endif |
864 | |
933 | |
865 | #if !HAVE_READDIR_R |
934 | #if !HAVE_READDIR_R |
866 | # define readdir_r aio_readdir_r |
935 | # define readdir_r aio_readdir_r |
867 | |
936 | |
868 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
937 | static mutex_t readdirlock = X_MUTEX_INIT; |
869 | |
938 | |
870 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
939 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
871 | { |
940 | { |
872 | struct dirent *e; |
941 | X_DIRENT *e; |
873 | int errorno; |
942 | int errorno; |
874 | |
943 | |
875 | LOCK (readdirlock); |
944 | X_LOCK (readdirlock); |
876 | |
945 | |
877 | e = readdir (dirp); |
946 | e = readdir (dirp); |
878 | errorno = errno; |
947 | errorno = errno; |
879 | |
948 | |
880 | if (e) |
949 | if (e) |
… | |
… | |
883 | strcpy (ent->d_name, e->d_name); |
952 | strcpy (ent->d_name, e->d_name); |
884 | } |
953 | } |
885 | else |
954 | else |
886 | *res = 0; |
955 | *res = 0; |
887 | |
956 | |
888 | UNLOCK (readdirlock); |
957 | X_UNLOCK (readdirlock); |
889 | |
958 | |
890 | errno = errorno; |
959 | errno = errorno; |
891 | return e ? 0 : -1; |
960 | return e ? 0 : -1; |
892 | } |
961 | } |
893 | #endif |
962 | #endif |
… | |
… | |
989 | static void scandir_ (aio_req req, worker *self) |
1058 | static void scandir_ (aio_req req, worker *self) |
990 | { |
1059 | { |
991 | DIR *dirp; |
1060 | DIR *dirp; |
992 | union |
1061 | union |
993 | { |
1062 | { |
994 | struct dirent d; |
1063 | X_DIRENT d; |
995 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1064 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
996 | } *u; |
1065 | } *u; |
997 | struct dirent *entp; |
1066 | X_DIRENT *entp; |
998 | char *name, *names; |
1067 | char *name, *names; |
999 | int memlen = 4096; |
1068 | int memlen = 4096; |
1000 | int memofs = 0; |
1069 | int memofs = 0; |
1001 | int res = 0; |
1070 | int res = 0; |
1002 | int errorno; |
|
|
1003 | |
1071 | |
1004 | LOCK (wrklock); |
1072 | X_LOCK (wrklock); |
1005 | self->dirp = dirp = opendir (req->ptr1); |
1073 | self->dirp = dirp = opendir (req->ptr1); |
1006 | self->dbuf = u = malloc (sizeof (*u)); |
1074 | self->dbuf = u = malloc (sizeof (*u)); |
1007 | req->flags |= FLAG_PTR2_FREE; |
1075 | req->flags |= FLAG_PTR2_FREE; |
1008 | req->ptr2 = names = malloc (memlen); |
1076 | req->ptr2 = names = malloc (memlen); |
1009 | UNLOCK (wrklock); |
1077 | X_UNLOCK (wrklock); |
1010 | |
1078 | |
1011 | if (dirp && u && names) |
1079 | if (dirp && u && names) |
1012 | for (;;) |
1080 | for (;;) |
1013 | { |
1081 | { |
1014 | errno = 0; |
1082 | errno = 0; |
… | |
… | |
1026 | res++; |
1094 | res++; |
1027 | |
1095 | |
1028 | while (memofs + len > memlen) |
1096 | while (memofs + len > memlen) |
1029 | { |
1097 | { |
1030 | memlen *= 2; |
1098 | memlen *= 2; |
1031 | LOCK (wrklock); |
1099 | X_LOCK (wrklock); |
1032 | req->ptr2 = names = realloc (names, memlen); |
1100 | req->ptr2 = names = realloc (names, memlen); |
1033 | UNLOCK (wrklock); |
1101 | X_UNLOCK (wrklock); |
1034 | |
1102 | |
1035 | if (!names) |
1103 | if (!names) |
1036 | break; |
1104 | break; |
1037 | } |
1105 | } |
1038 | |
1106 | |
… | |
… | |
1047 | req->result = res; |
1115 | req->result = res; |
1048 | } |
1116 | } |
1049 | |
1117 | |
1050 | /*****************************************************************************/ |
1118 | /*****************************************************************************/ |
1051 | |
1119 | |
1052 | static void *aio_proc (void *thr_arg) |
1120 | X_THREAD_PROC (aio_proc) |
1053 | { |
1121 | { |
|
|
1122 | {//D |
1054 | aio_req req; |
1123 | aio_req req; |
1055 | struct timespec ts; |
1124 | struct timespec ts; |
1056 | worker *self = (worker *)thr_arg; |
1125 | worker *self = (worker *)thr_arg; |
1057 | |
1126 | |
1058 | /* try to distribute timeouts somewhat evenly */ |
1127 | /* try to distribute timeouts somewhat randomly */ |
1059 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
1128 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1060 | * (1000000000UL / 1024UL); |
|
|
1061 | |
1129 | |
1062 | for (;;) |
1130 | for (;;) |
1063 | { |
1131 | { |
1064 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1132 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1065 | |
1133 | |
1066 | LOCK (reqlock); |
1134 | X_LOCK (reqlock); |
1067 | |
1135 | |
1068 | for (;;) |
1136 | for (;;) |
1069 | { |
1137 | { |
1070 | self->req = req = reqq_shift (&req_queue); |
1138 | self->req = req = reqq_shift (&req_queue); |
1071 | |
1139 | |
1072 | if (req) |
1140 | if (req) |
1073 | break; |
1141 | break; |
1074 | |
1142 | |
1075 | ++idle; |
1143 | ++idle; |
1076 | |
1144 | |
1077 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
1145 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
1078 | == ETIMEDOUT) |
1146 | == ETIMEDOUT) |
1079 | { |
1147 | { |
1080 | if (idle > max_idle) |
1148 | if (idle > max_idle) |
1081 | { |
1149 | { |
1082 | --idle; |
1150 | --idle; |
1083 | UNLOCK (reqlock); |
1151 | X_UNLOCK (reqlock); |
1084 | LOCK (wrklock); |
1152 | X_LOCK (wrklock); |
1085 | --started; |
1153 | --started; |
1086 | UNLOCK (wrklock); |
1154 | X_UNLOCK (wrklock); |
1087 | goto quit; |
1155 | goto quit; |
1088 | } |
1156 | } |
1089 | |
1157 | |
1090 | /* we are allowed to idle, so do so without any timeout */ |
1158 | /* we are allowed to idle, so do so without any timeout */ |
1091 | pthread_cond_wait (&reqwait, &reqlock); |
1159 | X_COND_WAIT (reqwait, reqlock); |
1092 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1160 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1093 | } |
1161 | } |
1094 | |
1162 | |
1095 | --idle; |
1163 | --idle; |
1096 | } |
1164 | } |
1097 | |
1165 | |
1098 | --nready; |
1166 | --nready; |
1099 | |
1167 | |
1100 | UNLOCK (reqlock); |
1168 | X_UNLOCK (reqlock); |
1101 | |
1169 | |
1102 | errno = 0; /* strictly unnecessary */ |
1170 | errno = 0; /* strictly unnecessary */ |
1103 | |
1171 | |
1104 | if (!(req->flags & FLAG_CANCELLED)) |
1172 | if (!(req->flags & FLAG_CANCELLED)) |
1105 | switch (req->type) |
1173 | switch (req->type) |
1106 | { |
1174 | { |
1107 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
1175 | case REQ_READ: req->result = req->offs >= 0 |
1108 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
1176 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1177 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1178 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1179 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1180 | : write (req->int1, req->ptr1, req->size); break; |
1109 | |
1181 | |
1110 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1182 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
1111 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1183 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
1112 | |
1184 | |
1113 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1185 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
1114 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1186 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
1115 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
1187 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1188 | |
|
|
1189 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1190 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1191 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1192 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1193 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1194 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
1116 | |
1195 | |
1117 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1196 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1118 | case REQ_CLOSE: req->result = close (req->int1); break; |
1197 | case REQ_CLOSE: req->result = close (req->int1); break; |
1119 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1198 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1120 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1199 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1200 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
1121 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1201 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
1122 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1202 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1123 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1203 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1124 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1204 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1125 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1205 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
… | |
… | |
1127 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1207 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1128 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1208 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1129 | case REQ_READDIR: scandir_ (req, self); break; |
1209 | case REQ_READDIR: scandir_ (req, self); break; |
1130 | |
1210 | |
1131 | case REQ_BUSY: |
1211 | case REQ_BUSY: |
|
|
1212 | #ifdef _WIN32 |
|
|
1213 | Sleep (req->nv1 * 1000.); |
|
|
1214 | #else |
1132 | { |
1215 | { |
1133 | struct timeval tv; |
1216 | struct timeval tv; |
1134 | |
1217 | |
1135 | tv.tv_sec = req->int1; |
1218 | tv.tv_sec = req->nv1; |
1136 | tv.tv_usec = req->int2; |
1219 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
1137 | |
1220 | |
1138 | req->result = select (0, 0, 0, 0, &tv); |
1221 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1222 | } |
|
|
1223 | #endif |
|
|
1224 | break; |
|
|
1225 | |
|
|
1226 | case REQ_UTIME: |
|
|
1227 | case REQ_FUTIME: |
|
|
1228 | { |
|
|
1229 | struct timeval tv[2]; |
|
|
1230 | struct timeval *times; |
|
|
1231 | |
|
|
1232 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1233 | { |
|
|
1234 | tv[0].tv_sec = req->nv1; |
|
|
1235 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1236 | tv[1].tv_sec = req->nv2; |
|
|
1237 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1238 | |
|
|
1239 | times = tv; |
|
|
1240 | } |
|
|
1241 | else |
|
|
1242 | times = 0; |
|
|
1243 | |
|
|
1244 | |
|
|
1245 | req->result = req->type == REQ_FUTIME |
|
|
1246 | ? futimes (req->int1, times) |
|
|
1247 | : utimes (req->ptr1, times); |
1139 | } |
1248 | } |
1140 | |
1249 | |
1141 | case REQ_GROUP: |
1250 | case REQ_GROUP: |
1142 | case REQ_NOP: |
1251 | case REQ_NOP: |
1143 | break; |
1252 | break; |
1144 | |
1253 | |
1145 | case REQ_QUIT: |
1254 | case REQ_QUIT: |
1146 | goto quit; |
1255 | goto quit; |
1147 | |
1256 | |
1148 | default: |
1257 | default: |
1149 | req->result = ENOSYS; |
1258 | req->result = -1; |
1150 | break; |
1259 | break; |
1151 | } |
1260 | } |
1152 | |
1261 | |
1153 | req->errorno = errno; |
1262 | req->errorno = errno; |
1154 | |
1263 | |
1155 | LOCK (reslock); |
1264 | X_LOCK (reslock); |
1156 | |
1265 | |
1157 | ++npending; |
1266 | ++npending; |
1158 | |
1267 | |
1159 | if (!reqq_push (&res_queue, req)) |
1268 | if (!reqq_push (&res_queue, req)) |
|
|
1269 | { |
1160 | /* write a dummy byte to the pipe so fh becomes ready */ |
1270 | /* write a dummy byte to the pipe so fh becomes ready */ |
1161 | write (respipe [1], &respipe, 1); |
1271 | write (respipe [1], &respipe, 1); |
|
|
1272 | |
|
|
1273 | /* optionally signal the main thread asynchronously */ |
|
|
1274 | if (main_sig) |
|
|
1275 | pthread_kill (main_tid, main_sig); |
|
|
1276 | } |
1162 | |
1277 | |
1163 | self->req = 0; |
1278 | self->req = 0; |
1164 | worker_clear (self); |
1279 | worker_clear (self); |
1165 | |
1280 | |
1166 | UNLOCK (reslock); |
1281 | X_UNLOCK (reslock); |
1167 | } |
1282 | } |
1168 | |
1283 | |
1169 | quit: |
1284 | quit: |
1170 | LOCK (wrklock); |
1285 | X_LOCK (wrklock); |
1171 | worker_free (self); |
1286 | worker_free (self); |
1172 | UNLOCK (wrklock); |
1287 | X_UNLOCK (wrklock); |
1173 | |
1288 | |
1174 | return 0; |
1289 | return 0; |
|
|
1290 | }//D |
1175 | } |
1291 | } |
1176 | |
1292 | |
1177 | /*****************************************************************************/ |
1293 | /*****************************************************************************/ |
1178 | |
1294 | |
1179 | static void atfork_prepare (void) |
1295 | static void atfork_prepare (void) |
1180 | { |
1296 | { |
1181 | LOCK (wrklock); |
1297 | X_LOCK (wrklock); |
1182 | LOCK (reqlock); |
1298 | X_LOCK (reqlock); |
1183 | LOCK (reslock); |
1299 | X_LOCK (reslock); |
1184 | #if !HAVE_PREADWRITE |
1300 | #if !HAVE_PREADWRITE |
1185 | LOCK (preadwritelock); |
1301 | X_LOCK (preadwritelock); |
1186 | #endif |
1302 | #endif |
1187 | #if !HAVE_READDIR_R |
1303 | #if !HAVE_READDIR_R |
1188 | LOCK (readdirlock); |
1304 | X_LOCK (readdirlock); |
1189 | #endif |
1305 | #endif |
1190 | } |
1306 | } |
1191 | |
1307 | |
1192 | static void atfork_parent (void) |
1308 | static void atfork_parent (void) |
1193 | { |
1309 | { |
1194 | #if !HAVE_READDIR_R |
1310 | #if !HAVE_READDIR_R |
1195 | UNLOCK (readdirlock); |
1311 | X_UNLOCK (readdirlock); |
1196 | #endif |
1312 | #endif |
1197 | #if !HAVE_PREADWRITE |
1313 | #if !HAVE_PREADWRITE |
1198 | UNLOCK (preadwritelock); |
1314 | X_UNLOCK (preadwritelock); |
1199 | #endif |
1315 | #endif |
1200 | UNLOCK (reslock); |
1316 | X_UNLOCK (reslock); |
1201 | UNLOCK (reqlock); |
1317 | X_UNLOCK (reqlock); |
1202 | UNLOCK (wrklock); |
1318 | X_UNLOCK (wrklock); |
1203 | } |
1319 | } |
1204 | |
1320 | |
1205 | static void atfork_child (void) |
1321 | static void atfork_child (void) |
1206 | { |
1322 | { |
1207 | aio_req prv; |
1323 | aio_req prv; |
1208 | |
1324 | |
1209 | while (prv = reqq_shift (&req_queue)) |
1325 | while (prv = reqq_shift (&req_queue)) |
1210 | req_free (prv); |
1326 | req_destroy (prv); |
1211 | |
1327 | |
1212 | while (prv = reqq_shift (&res_queue)) |
1328 | while (prv = reqq_shift (&res_queue)) |
1213 | req_free (prv); |
1329 | req_destroy (prv); |
1214 | |
1330 | |
1215 | while (wrk_first.next != &wrk_first) |
1331 | while (wrk_first.next != &wrk_first) |
1216 | { |
1332 | { |
1217 | worker *wrk = wrk_first.next; |
1333 | worker *wrk = wrk_first.next; |
1218 | |
1334 | |
1219 | if (wrk->req) |
1335 | if (wrk->req) |
1220 | req_free (wrk->req); |
1336 | req_destroy (wrk->req); |
1221 | |
1337 | |
1222 | worker_clear (wrk); |
1338 | worker_clear (wrk); |
1223 | worker_free (wrk); |
1339 | worker_free (wrk); |
1224 | } |
1340 | } |
1225 | |
1341 | |
… | |
… | |
1229 | nready = 0; |
1345 | nready = 0; |
1230 | npending = 0; |
1346 | npending = 0; |
1231 | |
1347 | |
1232 | close (respipe [0]); |
1348 | close (respipe [0]); |
1233 | close (respipe [1]); |
1349 | close (respipe [1]); |
1234 | create_pipe (); |
1350 | |
|
|
1351 | if (!create_pipe (respipe)) |
|
|
1352 | croak ("cannot set result pipe to nonblocking mode"); |
1235 | |
1353 | |
1236 | atfork_parent (); |
1354 | atfork_parent (); |
1237 | } |
1355 | } |
1238 | |
1356 | |
1239 | #define dREQ \ |
1357 | #define dREQ \ |
… | |
… | |
1268 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1386 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1269 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1387 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1270 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1388 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1271 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1389 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1272 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1390 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1391 | #ifdef _WIN32 |
|
|
1392 | X_MUTEX_CHECK (wrklock); |
|
|
1393 | X_MUTEX_CHECK (reslock); |
|
|
1394 | X_MUTEX_CHECK (reqlock); |
|
|
1395 | X_MUTEX_CHECK (reqwait); |
|
|
1396 | X_MUTEX_CHECK (preadwritelock); |
|
|
1397 | X_MUTEX_CHECK (readdirlock); |
|
|
1398 | #else |
1273 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1399 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1400 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1401 | #endif |
1274 | |
1402 | |
1275 | create_pipe (); |
1403 | if (!create_pipe (respipe)) |
|
|
1404 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
1405 | |
1276 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1406 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1277 | } |
1407 | } |
1278 | |
1408 | |
1279 | void |
1409 | void |
1280 | max_poll_reqs (int nreqs) |
1410 | max_poll_reqs (int nreqs) |
1281 | PROTOTYPE: $ |
1411 | PROTOTYPE: $ |
… | |
… | |
1310 | max_outstanding = maxreqs; |
1440 | max_outstanding = maxreqs; |
1311 | OUTPUT: |
1441 | OUTPUT: |
1312 | RETVAL |
1442 | RETVAL |
1313 | |
1443 | |
1314 | void |
1444 | void |
1315 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1445 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1316 | SV8 * pathname |
|
|
1317 | int flags |
|
|
1318 | int mode |
|
|
1319 | SV * callback |
|
|
1320 | PROTOTYPE: $$$;$ |
1446 | PROTOTYPE: $$$;$ |
1321 | PPCODE: |
1447 | PPCODE: |
1322 | { |
1448 | { |
1323 | dREQ; |
1449 | dREQ; |
1324 | |
1450 | |
… | |
… | |
1330 | |
1456 | |
1331 | REQ_SEND; |
1457 | REQ_SEND; |
1332 | } |
1458 | } |
1333 | |
1459 | |
1334 | void |
1460 | void |
1335 | aio_close (fh,callback=&PL_sv_undef) |
1461 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1336 | SV * fh |
|
|
1337 | SV * callback |
|
|
1338 | PROTOTYPE: $;$ |
1462 | PROTOTYPE: $;$ |
1339 | ALIAS: |
1463 | ALIAS: |
1340 | aio_close = REQ_CLOSE |
1464 | aio_close = REQ_CLOSE |
1341 | aio_fsync = REQ_FSYNC |
1465 | aio_fsync = REQ_FSYNC |
1342 | aio_fdatasync = REQ_FDATASYNC |
1466 | aio_fdatasync = REQ_FDATASYNC |
1343 | PPCODE: |
1467 | PPCODE: |
1344 | { |
1468 | { |
1345 | dREQ; |
1469 | dREQ; |
1346 | |
1470 | |
1347 | req->type = ix; |
1471 | req->type = ix; |
1348 | req->fh = newSVsv (fh); |
1472 | req->sv1 = newSVsv (fh); |
1349 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1473 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1350 | |
1474 | |
1351 | REQ_SEND (req); |
1475 | REQ_SEND (req); |
1352 | } |
1476 | } |
1353 | |
1477 | |
1354 | void |
1478 | void |
1355 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1479 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1356 | SV * fh |
|
|
1357 | UV offset |
|
|
1358 | UV length |
|
|
1359 | SV8 * data |
|
|
1360 | UV dataoffset |
|
|
1361 | SV * callback |
|
|
1362 | ALIAS: |
1480 | ALIAS: |
1363 | aio_read = REQ_READ |
1481 | aio_read = REQ_READ |
1364 | aio_write = REQ_WRITE |
1482 | aio_write = REQ_WRITE |
1365 | PROTOTYPE: $$$$$;$ |
1483 | PROTOTYPE: $$$$$;$ |
1366 | PPCODE: |
1484 | PPCODE: |
1367 | { |
1485 | { |
1368 | STRLEN svlen; |
1486 | STRLEN svlen; |
1369 | char *svptr = SvPVbyte (data, svlen); |
1487 | char *svptr = SvPVbyte (data, svlen); |
|
|
1488 | UV len = SvUV (length); |
1370 | |
1489 | |
1371 | SvUPGRADE (data, SVt_PV); |
1490 | SvUPGRADE (data, SVt_PV); |
1372 | SvPOK_on (data); |
1491 | SvPOK_on (data); |
1373 | |
1492 | |
1374 | if (dataoffset < 0) |
1493 | if (dataoffset < 0) |
1375 | dataoffset += svlen; |
1494 | dataoffset += svlen; |
1376 | |
1495 | |
1377 | if (dataoffset < 0 || dataoffset > svlen) |
1496 | if (dataoffset < 0 || dataoffset > svlen) |
1378 | croak ("data offset outside of string"); |
1497 | croak ("dataoffset outside of data scalar"); |
1379 | |
1498 | |
1380 | if (ix == REQ_WRITE) |
1499 | if (ix == REQ_WRITE) |
1381 | { |
1500 | { |
1382 | /* write: check length and adjust. */ |
1501 | /* write: check length and adjust. */ |
1383 | if (length < 0 || length + dataoffset > svlen) |
1502 | if (!SvOK (length) || len + dataoffset > svlen) |
1384 | length = svlen - dataoffset; |
1503 | len = svlen - dataoffset; |
1385 | } |
1504 | } |
1386 | else |
1505 | else |
1387 | { |
1506 | { |
1388 | /* read: grow scalar as necessary */ |
1507 | /* read: grow scalar as necessary */ |
1389 | svptr = SvGROW (data, length + dataoffset); |
1508 | svptr = SvGROW (data, len + dataoffset + 1); |
1390 | } |
1509 | } |
1391 | |
1510 | |
1392 | if (length < 0) |
1511 | if (len < 0) |
1393 | croak ("length must not be negative"); |
1512 | croak ("length must not be negative"); |
1394 | |
1513 | |
1395 | { |
1514 | { |
1396 | dREQ; |
1515 | dREQ; |
1397 | |
1516 | |
1398 | req->type = ix; |
1517 | req->type = ix; |
1399 | req->fh = newSVsv (fh); |
1518 | req->sv1 = newSVsv (fh); |
1400 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1519 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1401 | : IoOFP (sv_2io (fh))); |
1520 | : IoOFP (sv_2io (fh))); |
1402 | req->offs = offset; |
1521 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1403 | req->size = length; |
1522 | req->size = len; |
1404 | req->sv1 = SvREFCNT_inc (data); |
1523 | req->sv2 = SvREFCNT_inc (data); |
1405 | req->ptr1 = (char *)svptr + dataoffset; |
1524 | req->ptr1 = (char *)svptr + dataoffset; |
1406 | req->stroffset = dataoffset; |
1525 | req->stroffset = dataoffset; |
1407 | |
1526 | |
1408 | if (!SvREADONLY (data)) |
1527 | if (!SvREADONLY (data)) |
1409 | { |
1528 | { |
1410 | SvREADONLY_on (data); |
1529 | SvREADONLY_on (data); |
1411 | req->flags |= FLAG_SV1_RO_OFF; |
1530 | req->flags |= FLAG_SV2_RO_OFF; |
1412 | } |
1531 | } |
1413 | |
1532 | |
1414 | REQ_SEND; |
1533 | REQ_SEND; |
1415 | } |
1534 | } |
1416 | } |
1535 | } |
1417 | |
1536 | |
1418 | void |
1537 | void |
1419 | aio_readlink (path,callback=&PL_sv_undef) |
1538 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1420 | SV8 * path |
|
|
1421 | SV * callback |
|
|
1422 | PROTOTYPE: $$;$ |
1539 | PROTOTYPE: $$;$ |
1423 | PPCODE: |
1540 | PPCODE: |
1424 | { |
1541 | { |
1425 | SV *data; |
1542 | SV *data; |
1426 | dREQ; |
1543 | dREQ; |
1427 | |
1544 | |
1428 | data = newSV (NAME_MAX); |
1545 | data = newSV (NAME_MAX); |
1429 | SvPOK_on (data); |
1546 | SvPOK_on (data); |
1430 | |
1547 | |
1431 | req->type = REQ_READLINK; |
1548 | req->type = REQ_READLINK; |
1432 | req->fh = newSVsv (path); |
1549 | req->sv1 = newSVsv (path); |
1433 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1550 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
1434 | req->sv1 = data; |
1551 | req->sv2 = data; |
1435 | req->ptr1 = SvPVbyte_nolen (data); |
1552 | req->ptr1 = SvPVbyte_nolen (data); |
1436 | |
1553 | |
1437 | REQ_SEND; |
1554 | REQ_SEND; |
1438 | } |
1555 | } |
1439 | |
1556 | |
1440 | void |
1557 | void |
1441 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1558 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1442 | SV * out_fh |
|
|
1443 | SV * in_fh |
|
|
1444 | UV in_offset |
|
|
1445 | UV length |
|
|
1446 | SV * callback |
|
|
1447 | PROTOTYPE: $$$$;$ |
1559 | PROTOTYPE: $$$$;$ |
1448 | PPCODE: |
1560 | PPCODE: |
1449 | { |
1561 | { |
1450 | dREQ; |
1562 | dREQ; |
1451 | |
1563 | |
1452 | req->type = REQ_SENDFILE; |
1564 | req->type = REQ_SENDFILE; |
1453 | req->fh = newSVsv (out_fh); |
1565 | req->sv1 = newSVsv (out_fh); |
1454 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1566 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1455 | req->sv2 = newSVsv (in_fh); |
1567 | req->sv2 = newSVsv (in_fh); |
1456 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1568 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1457 | req->offs = in_offset; |
1569 | req->offs = SvVAL64 (in_offset); |
1458 | req->size = length; |
1570 | req->size = length; |
1459 | |
1571 | |
1460 | REQ_SEND; |
1572 | REQ_SEND; |
1461 | } |
1573 | } |
1462 | |
1574 | |
1463 | void |
1575 | void |
1464 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1576 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1465 | SV * fh |
|
|
1466 | UV offset |
|
|
1467 | IV length |
|
|
1468 | SV * callback |
|
|
1469 | PROTOTYPE: $$$;$ |
1577 | PROTOTYPE: $$$;$ |
1470 | PPCODE: |
1578 | PPCODE: |
1471 | { |
1579 | { |
1472 | dREQ; |
1580 | dREQ; |
1473 | |
1581 | |
1474 | req->type = REQ_READAHEAD; |
1582 | req->type = REQ_READAHEAD; |
1475 | req->fh = newSVsv (fh); |
1583 | req->sv1 = newSVsv (fh); |
1476 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1584 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1477 | req->offs = offset; |
1585 | req->offs = SvVAL64 (offset); |
1478 | req->size = length; |
1586 | req->size = length; |
1479 | |
1587 | |
1480 | REQ_SEND; |
1588 | REQ_SEND; |
1481 | } |
1589 | } |
1482 | |
1590 | |
1483 | void |
1591 | void |
1484 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1592 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1485 | SV8 * fh_or_path |
|
|
1486 | SV * callback |
|
|
1487 | ALIAS: |
1593 | ALIAS: |
1488 | aio_stat = REQ_STAT |
1594 | aio_stat = REQ_STAT |
1489 | aio_lstat = REQ_LSTAT |
1595 | aio_lstat = REQ_LSTAT |
1490 | PPCODE: |
1596 | PPCODE: |
1491 | { |
1597 | { |
1492 | dREQ; |
1598 | dREQ; |
1493 | |
1599 | |
1494 | req->ptr2 = malloc (sizeof (Stat_t)); |
1600 | req->ptr2 = malloc (sizeof (Stat_t)); |
1495 | if (!req->ptr2) |
1601 | if (!req->ptr2) |
1496 | { |
1602 | { |
1497 | req_free (req); |
1603 | req_destroy (req); |
1498 | croak ("out of memory during aio_stat statdata allocation"); |
1604 | croak ("out of memory during aio_stat statdata allocation"); |
1499 | } |
1605 | } |
1500 | |
1606 | |
1501 | req->flags |= FLAG_PTR2_FREE; |
1607 | req->flags |= FLAG_PTR2_FREE; |
|
|
1608 | req->sv1 = newSVsv (fh_or_path); |
1502 | |
1609 | |
1503 | if (SvPOK (fh_or_path)) |
1610 | if (SvPOK (fh_or_path)) |
1504 | { |
1611 | { |
1505 | req->type = ix; |
1612 | req->type = ix; |
1506 | req->sv1 = newSVsv (fh_or_path); |
|
|
1507 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1613 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1508 | } |
1614 | } |
1509 | else |
1615 | else |
1510 | { |
1616 | { |
1511 | req->type = REQ_FSTAT; |
1617 | req->type = REQ_FSTAT; |
1512 | req->fh = newSVsv (fh_or_path); |
|
|
1513 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1618 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1514 | } |
1619 | } |
1515 | |
1620 | |
1516 | REQ_SEND; |
1621 | REQ_SEND; |
1517 | } |
1622 | } |
1518 | |
1623 | |
1519 | void |
1624 | void |
|
|
1625 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1626 | PPCODE: |
|
|
1627 | { |
|
|
1628 | dREQ; |
|
|
1629 | |
|
|
1630 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1631 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1632 | req->sv1 = newSVsv (fh_or_path); |
|
|
1633 | |
|
|
1634 | if (SvPOK (fh_or_path)) |
|
|
1635 | { |
|
|
1636 | req->type = REQ_UTIME; |
|
|
1637 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1638 | } |
|
|
1639 | else |
|
|
1640 | { |
|
|
1641 | req->type = REQ_FUTIME; |
|
|
1642 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1643 | } |
|
|
1644 | |
|
|
1645 | REQ_SEND; |
|
|
1646 | } |
|
|
1647 | |
|
|
1648 | void |
|
|
1649 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1650 | PPCODE: |
|
|
1651 | { |
|
|
1652 | dREQ; |
|
|
1653 | |
|
|
1654 | req->sv1 = newSVsv (fh_or_path); |
|
|
1655 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1656 | |
|
|
1657 | if (SvPOK (fh_or_path)) |
|
|
1658 | { |
|
|
1659 | req->type = REQ_TRUNCATE; |
|
|
1660 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1661 | } |
|
|
1662 | else |
|
|
1663 | { |
|
|
1664 | req->type = REQ_FTRUNCATE; |
|
|
1665 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1666 | } |
|
|
1667 | |
|
|
1668 | REQ_SEND; |
|
|
1669 | } |
|
|
1670 | |
|
|
1671 | void |
|
|
1672 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1673 | PPCODE: |
|
|
1674 | { |
|
|
1675 | dREQ; |
|
|
1676 | |
|
|
1677 | req->mode = mode; |
|
|
1678 | req->sv1 = newSVsv (fh_or_path); |
|
|
1679 | |
|
|
1680 | if (SvPOK (fh_or_path)) |
|
|
1681 | { |
|
|
1682 | req->type = REQ_CHMOD; |
|
|
1683 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1684 | } |
|
|
1685 | else |
|
|
1686 | { |
|
|
1687 | req->type = REQ_FCHMOD; |
|
|
1688 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1689 | } |
|
|
1690 | |
|
|
1691 | REQ_SEND; |
|
|
1692 | } |
|
|
1693 | |
|
|
1694 | void |
|
|
1695 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1696 | PPCODE: |
|
|
1697 | { |
|
|
1698 | dREQ; |
|
|
1699 | |
|
|
1700 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1701 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1702 | req->sv1 = newSVsv (fh_or_path); |
|
|
1703 | |
|
|
1704 | if (SvPOK (fh_or_path)) |
|
|
1705 | { |
|
|
1706 | req->type = REQ_CHOWN; |
|
|
1707 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1708 | } |
|
|
1709 | else |
|
|
1710 | { |
|
|
1711 | req->type = REQ_FCHOWN; |
|
|
1712 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1713 | } |
|
|
1714 | |
|
|
1715 | REQ_SEND; |
|
|
1716 | } |
|
|
1717 | |
|
|
1718 | void |
1520 | aio_unlink (pathname,callback=&PL_sv_undef) |
1719 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1521 | SV8 * pathname |
|
|
1522 | SV * callback |
|
|
1523 | ALIAS: |
1720 | ALIAS: |
1524 | aio_unlink = REQ_UNLINK |
1721 | aio_unlink = REQ_UNLINK |
1525 | aio_rmdir = REQ_RMDIR |
1722 | aio_rmdir = REQ_RMDIR |
1526 | aio_readdir = REQ_READDIR |
1723 | aio_readdir = REQ_READDIR |
1527 | PPCODE: |
1724 | PPCODE: |
… | |
… | |
1534 | |
1731 | |
1535 | REQ_SEND; |
1732 | REQ_SEND; |
1536 | } |
1733 | } |
1537 | |
1734 | |
1538 | void |
1735 | void |
|
|
1736 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1737 | PPCODE: |
|
|
1738 | { |
|
|
1739 | dREQ; |
|
|
1740 | |
|
|
1741 | req->type = REQ_MKDIR; |
|
|
1742 | req->sv1 = newSVsv (pathname); |
|
|
1743 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1744 | req->mode = mode; |
|
|
1745 | |
|
|
1746 | REQ_SEND; |
|
|
1747 | } |
|
|
1748 | |
|
|
1749 | void |
1539 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1750 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1540 | SV8 * oldpath |
|
|
1541 | SV8 * newpath |
|
|
1542 | SV * callback |
|
|
1543 | ALIAS: |
1751 | ALIAS: |
1544 | aio_link = REQ_LINK |
1752 | aio_link = REQ_LINK |
1545 | aio_symlink = REQ_SYMLINK |
1753 | aio_symlink = REQ_SYMLINK |
1546 | aio_rename = REQ_RENAME |
1754 | aio_rename = REQ_RENAME |
1547 | PPCODE: |
1755 | PPCODE: |
1548 | { |
1756 | { |
1549 | dREQ; |
1757 | dREQ; |
1550 | |
1758 | |
1551 | req->type = ix; |
1759 | req->type = ix; |
1552 | req->fh = newSVsv (oldpath); |
1760 | req->sv2 = newSVsv (oldpath); |
1553 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1761 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1554 | req->sv1 = newSVsv (newpath); |
1762 | req->sv1 = newSVsv (newpath); |
1555 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1763 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1556 | |
1764 | |
1557 | REQ_SEND; |
1765 | REQ_SEND; |
1558 | } |
1766 | } |
1559 | |
1767 | |
1560 | void |
1768 | void |
1561 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1769 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1562 | SV8 * pathname |
|
|
1563 | SV * callback |
|
|
1564 | UV mode |
|
|
1565 | UV dev |
|
|
1566 | PPCODE: |
1770 | PPCODE: |
1567 | { |
1771 | { |
1568 | dREQ; |
1772 | dREQ; |
1569 | |
1773 | |
1570 | req->type = REQ_MKNOD; |
1774 | req->type = REQ_MKNOD; |
… | |
… | |
1575 | |
1779 | |
1576 | REQ_SEND; |
1780 | REQ_SEND; |
1577 | } |
1781 | } |
1578 | |
1782 | |
1579 | void |
1783 | void |
1580 | aio_busy (delay,callback=&PL_sv_undef) |
1784 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1581 | double delay |
|
|
1582 | SV * callback |
|
|
1583 | PPCODE: |
1785 | PPCODE: |
1584 | { |
1786 | { |
1585 | dREQ; |
1787 | dREQ; |
1586 | |
1788 | |
1587 | req->type = REQ_BUSY; |
1789 | req->type = REQ_BUSY; |
1588 | req->int1 = delay < 0. ? 0 : delay; |
1790 | req->nv1 = delay < 0. ? 0. : delay; |
1589 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1590 | |
1791 | |
1591 | REQ_SEND; |
1792 | REQ_SEND; |
1592 | } |
1793 | } |
1593 | |
1794 | |
1594 | void |
1795 | void |
1595 | aio_group (callback=&PL_sv_undef) |
1796 | aio_group (SV *callback=&PL_sv_undef) |
1596 | SV * callback |
|
|
1597 | PROTOTYPE: ;$ |
1797 | PROTOTYPE: ;$ |
1598 | PPCODE: |
1798 | PPCODE: |
1599 | { |
1799 | { |
1600 | dREQ; |
1800 | dREQ; |
1601 | |
1801 | |
… | |
… | |
1604 | req_send (req); |
1804 | req_send (req); |
1605 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1805 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1606 | } |
1806 | } |
1607 | |
1807 | |
1608 | void |
1808 | void |
1609 | aio_nop (callback=&PL_sv_undef) |
1809 | aio_nop (SV *callback=&PL_sv_undef) |
1610 | SV * callback |
|
|
1611 | PPCODE: |
1810 | PPCODE: |
1612 | { |
1811 | { |
1613 | dREQ; |
1812 | dREQ; |
1614 | |
1813 | |
1615 | req->type = REQ_NOP; |
1814 | req->type = REQ_NOP; |
… | |
… | |
1651 | |
1850 | |
1652 | int |
1851 | int |
1653 | poll() |
1852 | poll() |
1654 | PROTOTYPE: |
1853 | PROTOTYPE: |
1655 | CODE: |
1854 | CODE: |
1656 | if (nreqs) |
|
|
1657 | { |
|
|
1658 | poll_wait (); |
1855 | poll_wait (); |
1659 | RETVAL = poll_cb (); |
1856 | RETVAL = poll_cb (); |
1660 | } |
|
|
1661 | else |
|
|
1662 | RETVAL = 0; |
|
|
1663 | OUTPUT: |
1857 | OUTPUT: |
1664 | RETVAL |
1858 | RETVAL |
1665 | |
1859 | |
1666 | int |
1860 | int |
1667 | poll_fileno() |
1861 | poll_fileno() |
… | |
… | |
1681 | |
1875 | |
1682 | void |
1876 | void |
1683 | poll_wait() |
1877 | poll_wait() |
1684 | PROTOTYPE: |
1878 | PROTOTYPE: |
1685 | CODE: |
1879 | CODE: |
1686 | if (nreqs) |
|
|
1687 | poll_wait (); |
1880 | poll_wait (); |
|
|
1881 | |
|
|
1882 | void |
|
|
1883 | setsig (int signum = SIGIO) |
|
|
1884 | PROTOTYPE: ;$ |
|
|
1885 | CODE: |
|
|
1886 | { |
|
|
1887 | if (block_sig_level) |
|
|
1888 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1889 | |
|
|
1890 | X_LOCK (reslock); |
|
|
1891 | main_tid = pthread_self (); |
|
|
1892 | main_sig = signum; |
|
|
1893 | X_UNLOCK (reslock); |
|
|
1894 | |
|
|
1895 | if (main_sig && npending) |
|
|
1896 | pthread_kill (main_tid, main_sig); |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | void |
|
|
1900 | aio_block (SV *cb) |
|
|
1901 | PROTOTYPE: & |
|
|
1902 | PPCODE: |
|
|
1903 | { |
|
|
1904 | int count; |
|
|
1905 | |
|
|
1906 | block_sig (); |
|
|
1907 | PUSHMARK (SP); |
|
|
1908 | PUTBACK; |
|
|
1909 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1910 | SPAGAIN; |
|
|
1911 | unblock_sig (); |
|
|
1912 | |
|
|
1913 | if (SvTRUE (ERRSV)) |
|
|
1914 | croak (0); |
|
|
1915 | |
|
|
1916 | XSRETURN (count); |
|
|
1917 | } |
1688 | |
1918 | |
1689 | int |
1919 | int |
1690 | nreqs() |
1920 | nreqs() |
1691 | PROTOTYPE: |
1921 | PROTOTYPE: |
1692 | CODE: |
1922 | CODE: |
… | |
… | |
1712 | |
1942 | |
1713 | int |
1943 | int |
1714 | nthreads() |
1944 | nthreads() |
1715 | PROTOTYPE: |
1945 | PROTOTYPE: |
1716 | CODE: |
1946 | CODE: |
1717 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1947 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1718 | RETVAL = started; |
1948 | RETVAL = started; |
1719 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
1949 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1720 | OUTPUT: |
1950 | OUTPUT: |
1721 | RETVAL |
1951 | RETVAL |
1722 | |
1952 | |
1723 | PROTOTYPES: DISABLE |
1953 | PROTOTYPES: DISABLE |
1724 | |
1954 | |
… | |
… | |
1742 | PPCODE: |
1972 | PPCODE: |
1743 | { |
1973 | { |
1744 | int i; |
1974 | int i; |
1745 | aio_req req; |
1975 | aio_req req; |
1746 | |
1976 | |
|
|
1977 | if (main_sig && !block_sig_level) |
|
|
1978 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1979 | |
1747 | if (grp->int1 == 2) |
1980 | if (grp->int1 == 2) |
1748 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1981 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1749 | |
1982 | |
1750 | for (i = 1; i < items; ++i ) |
1983 | for (i = 1; i < items; ++i ) |
1751 | { |
1984 | { |