1 | #define _REENTRANT 1 |
1 | #include "libeio/xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
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9 | |
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10 | #include <pthread.h> |
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11 | |
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12 | #include <stddef.h> |
9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
13 | #include <errno.h> |
11 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
12 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
18 | #include <limits.h> |
14 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
15 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #include <sched.h> |
16 | #include <sched.h> |
23 | |
17 | |
24 | #if HAVE_SENDFILE |
18 | #ifdef _WIN32 |
25 | # if __linux |
19 | |
26 | # include <sys/sendfile.h> |
20 | # define EIO_STRUCT_DIRENT Direntry_t |
27 | # elif __freebsd |
21 | # undef malloc |
28 | # include <sys/socket.h> |
22 | # undef free |
29 | # include <sys/uio.h> |
23 | |
30 | # elif __hpux |
24 | // perl overrides all those nice win32 functions |
31 | # include <sys/socket.h> |
25 | # undef open |
32 | # elif __solaris /* not yet */ |
26 | # undef read |
33 | # include <sys/sendfile.h> |
27 | # undef write |
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28 | # undef send |
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29 | # undef recv |
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30 | # undef stat |
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31 | # undef fstat |
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32 | # define lstat stat |
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33 | # undef truncate |
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34 | # undef ftruncate |
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35 | # undef open |
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36 | # undef close |
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37 | # undef unlink |
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38 | # undef rmdir |
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39 | # undef rename |
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40 | # undef lseek |
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41 | |
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42 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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43 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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44 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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45 | # define symlink(a,b) (errno = ENOSYS, -1) |
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46 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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47 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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48 | # define truncate(a,b) (errno = ENOSYS, -1) |
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49 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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50 | # define fsync(fd) _commit (fd) |
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51 | # define opendir(fd) (errno = ENOSYS, 0) |
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52 | # define readdir(fd) (errno = ENOSYS, -1) |
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53 | # define closedir(fd) (errno = ENOSYS, -1) |
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54 | # define mkdir(a,b) mkdir (a) |
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55 | |
34 | # else |
56 | #else |
35 | # error sendfile support requested but not available |
57 | |
36 | # endif |
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 | # define EIO_STRUCT_DIRENT struct dirent |
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64 | |
37 | #endif |
65 | #endif |
38 | |
66 | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
67 | #define EIO_STRUCT_STAT Stat_t |
40 | #ifndef NAME_MAX |
68 | |
41 | # define NAME_MAX 4096 |
69 | /* use NV for 32 bit perls as it allows larger offsets */ |
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70 | #if IVSIZE >= 8 |
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71 | # define SvVAL64 SvIV |
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72 | #else |
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73 | # define SvVAL64 SvNV |
42 | #endif |
74 | #endif |
43 | |
75 | |
44 | #if __ia64 |
76 | static HV *stash; |
45 | # define STACKSIZE 65536 |
77 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
46 | #else |
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47 | # define STACKSIZE 8192 |
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48 | #endif |
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49 | |
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50 | enum { |
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51 | REQ_QUIT, |
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52 | REQ_OPEN, REQ_CLOSE, |
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53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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54 | REQ_SENDFILE, |
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55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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56 | REQ_FSYNC, REQ_FDATASYNC, |
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57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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58 | REQ_READDIR, |
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59 | REQ_LINK, REQ_SYMLINK, |
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60 | REQ_GROUP, REQ_NOP, |
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61 | REQ_SLEEP, |
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62 | }; |
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63 | |
78 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
79 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
80 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
81 | |
67 | typedef struct aio_cb |
82 | #define EIO_COMMON \ |
68 | { |
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69 | struct aio_cb *volatile next; |
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70 | |
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71 | SV *data, *callback; |
83 | SV *callback; \ |
72 | SV *fh, *fh2; |
84 | SV *sv1, *sv2; \ |
73 | void *dataptr, *data2ptr; |
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74 | Stat_t *statdata; |
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75 | off_t offset; |
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76 | size_t length; |
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77 | ssize_t result; |
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78 | |
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79 | STRLEN dataoffset; |
85 | STRLEN stroffset; \ |
80 | int type; |
86 | SV *self |
81 | int fd, fd2; |
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82 | int errorno; |
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83 | mode_t mode; /* open */ |
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84 | |
87 | |
85 | unsigned char flags; |
88 | #include "libeio/eio.h" |
86 | unsigned char pri; |
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87 | |
89 | |
88 | SV *self; /* the perl counterpart of this request, if any */ |
90 | static int req_invoke (eio_req *req); |
89 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
91 | #define EIO_FINISH(req) req_invoke (req) |
90 | } aio_cb; |
92 | static void aio_grp_feed (eio_req *grp); |
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93 | #define EIO_FEED(req) aio_grp_feed (req) |
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94 | static void req_destroy (eio_req *grp); |
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95 | #define EIO_DESTROY(req) req_destroy (req) |
91 | |
96 | |
92 | enum { |
97 | enum { |
93 | FLAG_CANCELLED = 0x01, |
98 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
94 | }; |
99 | }; |
95 | |
100 | |
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101 | #include "libeio/eio.c" |
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102 | |
96 | typedef aio_cb *aio_req; |
103 | typedef eio_req *aio_req; |
97 | typedef aio_cb *aio_req_ornot; |
104 | typedef eio_req *aio_req_ornot; |
98 | |
105 | |
99 | enum { |
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100 | PRI_MIN = 4, |
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101 | PRI_MAX = -4, |
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102 | |
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103 | DEFAULT_PRI = 0, |
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104 | PRI_BIAS = PRI_MIN, |
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105 | }; |
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106 | |
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107 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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108 | |
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109 | static int started, wanted; |
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110 | static volatile int nreqs; |
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111 | static int max_outstanding = 1<<30; |
106 | static int max_outstanding = 0; |
112 | static int respipe [2]; |
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113 | |
107 | |
114 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
108 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
115 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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116 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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117 | |
109 | |
118 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
110 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
119 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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120 | |
111 | |
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112 | static void req_destroy (aio_req req); |
121 | static void req_invoke (aio_req req); |
113 | static void req_cancel (aio_req req); |
122 | static void req_free (aio_req req); |
114 | |
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115 | static void want_poll (void) |
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116 | { |
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117 | /* write a dummy byte to the pipe so fh becomes ready */ |
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118 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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119 | } |
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120 | |
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121 | static void done_poll (void) |
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122 | { |
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123 | /* read any signals sent by the worker threads */ |
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124 | char buf [4]; |
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125 | while (respipe_read (respipe [0], buf, 4) == 4) |
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126 | ; |
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127 | } |
123 | |
128 | |
124 | /* must be called at most once */ |
129 | /* must be called at most once */ |
125 | static SV *req_sv (aio_req req, const char *klass) |
130 | static SV *req_sv (aio_req req, const char *klass) |
126 | { |
131 | { |
127 | if (!req->self) |
132 | if (!req->self) |
… | |
… | |
145 | return mg ? (aio_req)mg->mg_ptr : 0; |
150 | return mg ? (aio_req)mg->mg_ptr : 0; |
146 | } |
151 | } |
147 | |
152 | |
148 | static void aio_grp_feed (aio_req grp) |
153 | static void aio_grp_feed (aio_req grp) |
149 | { |
154 | { |
150 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
155 | if (grp->sv2 && SvOK (grp->sv2)) |
151 | { |
156 | { |
152 | int old_len = grp->length; |
157 | dSP; |
153 | |
158 | |
154 | if (grp->fh2 && SvOK (grp->fh2)) |
159 | ENTER; |
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160 | SAVETMPS; |
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161 | PUSHMARK (SP); |
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162 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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163 | PUTBACK; |
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164 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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165 | SPAGAIN; |
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166 | FREETMPS; |
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167 | LEAVE; |
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168 | } |
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169 | } |
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170 | |
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171 | static int req_invoke (eio_req *req) |
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172 | { |
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173 | dSP; |
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174 | |
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175 | if (req->flags & FLAG_SV2_RO_OFF) |
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176 | SvREADONLY_off (req->sv2); |
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177 | |
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178 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
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179 | { |
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180 | ENTER; |
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181 | SAVETMPS; |
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182 | PUSHMARK (SP); |
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183 | EXTEND (SP, 1); |
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184 | |
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185 | switch (req->type) |
155 | { |
186 | { |
156 | dSP; |
187 | case EIO_READDIR: |
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188 | { |
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189 | SV *rv = &PL_sv_undef; |
157 | |
190 | |
158 | ENTER; |
191 | if (req->result >= 0) |
159 | SAVETMPS; |
192 | { |
160 | PUSHMARK (SP); |
193 | int i; |
161 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
194 | char *buf = req->ptr2; |
162 | PUTBACK; |
195 | AV *av = newAV (); |
163 | call_sv (grp->fh2, G_VOID | G_EVAL); |
196 | |
164 | SPAGAIN; |
197 | av_extend (av, req->result - 1); |
165 | FREETMPS; |
198 | |
166 | LEAVE; |
199 | for (i = 0; i < req->result; ++i) |
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200 | { |
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201 | SV *sv = newSVpv (buf, 0); |
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202 | |
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203 | av_store (av, i, sv); |
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204 | buf += SvCUR (sv) + 1; |
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205 | } |
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206 | |
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207 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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208 | } |
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209 | |
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210 | PUSHs (rv); |
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211 | } |
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212 | break; |
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213 | |
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214 | case EIO_OPEN: |
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215 | { |
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216 | /* convert fd to fh */ |
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217 | SV *fh = &PL_sv_undef; |
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218 | |
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219 | if (req->result >= 0) |
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220 | { |
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221 | GV *gv = (GV *)sv_newmortal (); |
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222 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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223 | char sym [64]; |
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224 | int symlen; |
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225 | |
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226 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
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227 | gv_init (gv, stash, sym, symlen, 0); |
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228 | |
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229 | symlen = snprintf ( |
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230 | sym, |
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231 | sizeof (sym), |
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232 | "%s&=%d", |
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233 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
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234 | req->result |
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235 | ); |
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236 | |
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237 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
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238 | fh = (SV *)gv; |
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239 | } |
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240 | |
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241 | PUSHs (fh); |
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242 | } |
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243 | break; |
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244 | |
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245 | case EIO_GROUP: |
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246 | req->int1 = 2; /* mark group as finished */ |
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247 | |
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248 | if (req->sv1) |
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249 | { |
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250 | int i; |
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251 | AV *av = (AV *)req->sv1; |
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252 | |
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253 | EXTEND (SP, AvFILL (av) + 1); |
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254 | for (i = 0; i <= AvFILL (av); ++i) |
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255 | PUSHs (*av_fetch (av, i, 0)); |
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256 | } |
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257 | break; |
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258 | |
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259 | case EIO_NOP: |
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260 | case EIO_BUSY: |
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261 | break; |
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262 | |
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263 | case EIO_READLINK: |
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264 | if (req->result > 0) |
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265 | { |
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266 | SvCUR_set (req->sv2, req->result); |
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267 | *SvEND (req->sv2) = 0; |
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268 | PUSHs (req->sv2); |
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269 | } |
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270 | break; |
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271 | |
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272 | case EIO_STAT: |
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273 | case EIO_LSTAT: |
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274 | case EIO_FSTAT: |
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275 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
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276 | PL_laststatval = req->result; |
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277 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
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278 | PUSHs (sv_2mortal (newSViv (req->result))); |
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279 | break; |
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280 | |
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281 | case EIO_READ: |
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282 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
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283 | *SvEND (req->sv2) = 0; |
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284 | PUSHs (sv_2mortal (newSViv (req->result))); |
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285 | break; |
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286 | |
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287 | case EIO_DUP2: |
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288 | if (req->result > 0) |
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289 | req->result = 0; |
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290 | /* FALLTHROUGH */ |
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291 | |
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292 | default: |
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293 | PUSHs (sv_2mortal (newSViv (req->result))); |
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294 | break; |
167 | } |
295 | } |
168 | |
296 | |
169 | /* stop if no progress has been made */ |
297 | errno = req->errorno; |
170 | if (old_len == grp->length) |
298 | |
171 | { |
299 | PUTBACK; |
172 | SvREFCNT_dec (grp->fh2); |
300 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
173 | grp->fh2 = 0; |
301 | SPAGAIN; |
174 | break; |
302 | |
175 | } |
303 | FREETMPS; |
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304 | LEAVE; |
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305 | |
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306 | PUTBACK; |
176 | } |
307 | } |
177 | } |
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178 | |
308 | |
179 | static void aio_grp_dec (aio_req grp) |
309 | return !!SvTRUE (ERRSV); |
180 | { |
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181 | --grp->length; |
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182 | |
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183 | /* call feeder, if applicable */ |
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184 | aio_grp_feed (grp); |
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185 | |
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186 | /* finish, if done */ |
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187 | if (!grp->length && grp->fd) |
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188 | { |
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189 | req_invoke (grp); |
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190 | req_free (grp); |
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191 | } |
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192 | } |
310 | } |
193 | |
311 | |
194 | static void poll_wait () |
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195 | { |
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196 | while (nreqs) |
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197 | { |
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198 | aio_req req; |
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199 | pthread_mutex_lock (&reslock); |
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200 | req = ress; |
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201 | pthread_mutex_unlock (&reslock); |
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202 | |
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203 | if (req) |
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204 | return; |
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205 | |
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206 | fd_set rfd; |
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207 | FD_ZERO(&rfd); |
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208 | FD_SET(respipe [0], &rfd); |
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209 | |
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210 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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211 | } |
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212 | } |
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213 | |
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214 | static void req_invoke (aio_req req) |
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215 | { |
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216 | dSP; |
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217 | int errorno = errno; |
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218 | |
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219 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
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220 | return; |
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221 | |
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222 | errno = req->errorno; |
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223 | |
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224 | ENTER; |
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225 | SAVETMPS; |
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226 | PUSHMARK (SP); |
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227 | EXTEND (SP, 1); |
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228 | |
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229 | switch (req->type) |
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230 | { |
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231 | case REQ_READDIR: |
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232 | { |
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233 | SV *rv = &PL_sv_undef; |
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234 | |
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235 | if (req->result >= 0) |
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236 | { |
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237 | char *buf = req->data2ptr; |
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238 | AV *av = newAV (); |
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239 | |
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240 | while (req->result) |
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241 | { |
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242 | SV *sv = newSVpv (buf, 0); |
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243 | |
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244 | av_push (av, sv); |
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245 | buf += SvCUR (sv) + 1; |
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246 | req->result--; |
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247 | } |
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248 | |
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249 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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250 | } |
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251 | |
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252 | PUSHs (rv); |
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253 | } |
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254 | break; |
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255 | |
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256 | case REQ_OPEN: |
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257 | { |
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258 | /* convert fd to fh */ |
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259 | SV *fh; |
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260 | |
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261 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
262 | PUTBACK; |
|
|
263 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
264 | SPAGAIN; |
|
|
265 | |
|
|
266 | fh = SvREFCNT_inc (POPs); |
|
|
267 | |
|
|
268 | PUSHMARK (SP); |
|
|
269 | XPUSHs (sv_2mortal (fh)); |
|
|
270 | } |
|
|
271 | break; |
|
|
272 | |
|
|
273 | case REQ_GROUP: |
|
|
274 | req->fd = 2; /* mark group as finished */ |
|
|
275 | |
|
|
276 | if (req->data) |
|
|
277 | { |
|
|
278 | int i; |
|
|
279 | AV *av = (AV *)req->data; |
|
|
280 | |
|
|
281 | EXTEND (SP, AvFILL (av) + 1); |
|
|
282 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
283 | PUSHs (*av_fetch (av, i, 0)); |
|
|
284 | } |
|
|
285 | break; |
|
|
286 | |
|
|
287 | case REQ_NOP: |
|
|
288 | case REQ_SLEEP: |
|
|
289 | break; |
|
|
290 | |
|
|
291 | default: |
|
|
292 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
293 | break; |
|
|
294 | } |
|
|
295 | |
|
|
296 | |
|
|
297 | PUTBACK; |
|
|
298 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
299 | SPAGAIN; |
|
|
300 | |
|
|
301 | FREETMPS; |
|
|
302 | LEAVE; |
|
|
303 | |
|
|
304 | errno = errorno; |
|
|
305 | |
|
|
306 | if (SvTRUE (ERRSV)) |
|
|
307 | { |
|
|
308 | req_free (req); |
|
|
309 | croak (0); |
|
|
310 | } |
|
|
311 | } |
|
|
312 | |
|
|
313 | static void req_free (aio_req req) |
312 | static void req_destroy (aio_req req) |
314 | { |
313 | { |
315 | if (req->grp) |
|
|
316 | { |
|
|
317 | aio_req grp = req->grp; |
|
|
318 | |
|
|
319 | /* unlink request */ |
|
|
320 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
321 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
322 | |
|
|
323 | if (grp->grp_first == req) |
|
|
324 | grp->grp_first = req->grp_next; |
|
|
325 | |
|
|
326 | aio_grp_dec (grp); |
|
|
327 | } |
|
|
328 | |
|
|
329 | if (req->self) |
314 | if (req->self) |
330 | { |
315 | { |
331 | sv_unmagic (req->self, PERL_MAGIC_ext); |
316 | sv_unmagic (req->self, PERL_MAGIC_ext); |
332 | SvREFCNT_dec (req->self); |
317 | SvREFCNT_dec (req->self); |
333 | } |
318 | } |
334 | |
319 | |
335 | SvREFCNT_dec (req->data); |
|
|
336 | SvREFCNT_dec (req->fh); |
320 | SvREFCNT_dec (req->sv1); |
337 | SvREFCNT_dec (req->fh2); |
321 | SvREFCNT_dec (req->sv2); |
338 | SvREFCNT_dec (req->callback); |
322 | SvREFCNT_dec (req->callback); |
339 | Safefree (req->statdata); |
|
|
340 | |
|
|
341 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
342 | free (req->data2ptr); |
|
|
343 | |
323 | |
344 | Safefree (req); |
324 | Safefree (req); |
345 | } |
325 | } |
346 | |
326 | |
347 | static void req_cancel (aio_req req) |
327 | static void req_cancel_subs (aio_req grp) |
348 | { |
328 | { |
349 | req->flags |= FLAG_CANCELLED; |
329 | aio_req sub; |
350 | |
330 | |
351 | if (req->type == REQ_GROUP) |
331 | if (grp->type != EIO_GROUP) |
|
|
332 | return; |
|
|
333 | |
|
|
334 | SvREFCNT_dec (grp->sv2); |
|
|
335 | grp->sv2 = 0; |
|
|
336 | |
|
|
337 | eio_grp_cancel (grp); |
|
|
338 | } |
|
|
339 | |
|
|
340 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
341 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
342 | #else |
|
|
343 | # define TO_SOCKET(x) (x) |
|
|
344 | #endif |
|
|
345 | |
|
|
346 | static void |
|
|
347 | create_respipe (void) |
|
|
348 | { |
|
|
349 | int old_readfd = respipe [0]; |
|
|
350 | |
|
|
351 | if (respipe [1] >= 0) |
|
|
352 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
353 | |
|
|
354 | #ifdef _WIN32 |
|
|
355 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
356 | #else |
|
|
357 | if (pipe (respipe)) |
|
|
358 | #endif |
|
|
359 | croak ("unable to initialize result pipe"); |
|
|
360 | |
|
|
361 | if (old_readfd >= 0) |
352 | { |
362 | { |
353 | aio_req sub; |
363 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
364 | croak ("unable to initialize result pipe(2)"); |
354 | |
365 | |
355 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
366 | respipe_close (respipe [0]); |
356 | req_cancel (sub); |
367 | respipe [0] = old_readfd; |
357 | } |
368 | } |
358 | } |
|
|
359 | |
369 | |
360 | static int poll_cb () |
370 | #ifdef _WIN32 |
361 | { |
371 | int arg = 1; |
362 | dSP; |
372 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
363 | int count = 0; |
373 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
364 | int do_croak = 0; |
374 | #else |
365 | aio_req req; |
375 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
376 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
377 | #endif |
|
|
378 | croak ("unable to initialize result pipe(3)"); |
366 | |
379 | |
367 | for (;;) |
380 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
381 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
382 | } |
|
|
383 | |
|
|
384 | static void poll_wait (void) |
|
|
385 | { |
|
|
386 | fd_set rfd; |
|
|
387 | |
|
|
388 | while (eio_nreqs ()) |
368 | { |
389 | { |
369 | pthread_mutex_lock (&reslock); |
390 | int size; |
370 | req = ress; |
|
|
371 | |
391 | |
|
|
392 | X_LOCK (reslock); |
|
|
393 | size = res_queue.size; |
|
|
394 | X_UNLOCK (reslock); |
|
|
395 | |
372 | if (req) |
396 | if (size) |
373 | { |
|
|
374 | ress = req->next; |
|
|
375 | |
|
|
376 | if (!ress) |
|
|
377 | { |
|
|
378 | /* read any signals sent by the worker threads */ |
|
|
379 | char buf [32]; |
|
|
380 | while (read (respipe [0], buf, 32) == 32) |
|
|
381 | ; |
|
|
382 | |
|
|
383 | rese = 0; |
|
|
384 | } |
|
|
385 | } |
|
|
386 | |
|
|
387 | pthread_mutex_unlock (&reslock); |
|
|
388 | |
|
|
389 | if (!req) |
|
|
390 | break; |
397 | return; |
391 | |
398 | |
392 | --nreqs; |
399 | maybe_start_thread (); |
393 | |
400 | |
394 | if (req->type == REQ_QUIT) |
401 | FD_ZERO (&rfd); |
395 | started--; |
402 | FD_SET (respipe [0], &rfd); |
396 | else if (req->type == REQ_GROUP && req->length) |
|
|
397 | { |
|
|
398 | req->fd = 1; /* mark request as delayed */ |
|
|
399 | continue; |
|
|
400 | } |
|
|
401 | else |
|
|
402 | { |
|
|
403 | if (req->type == REQ_READ) |
|
|
404 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
405 | |
403 | |
406 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
404 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
407 | SvREADONLY_off (req->data); |
|
|
408 | |
|
|
409 | if (req->statdata) |
|
|
410 | { |
|
|
411 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
412 | PL_laststatval = req->result; |
|
|
413 | PL_statcache = *(req->statdata); |
|
|
414 | } |
|
|
415 | |
|
|
416 | req_invoke (req); |
|
|
417 | |
|
|
418 | count++; |
|
|
419 | } |
|
|
420 | |
|
|
421 | req_free (req); |
|
|
422 | } |
405 | } |
423 | |
|
|
424 | return count; |
|
|
425 | } |
406 | } |
426 | |
407 | |
427 | static void *aio_proc(void *arg); |
408 | static int poll_cb (void) |
428 | |
|
|
429 | static void start_thread (void) |
|
|
430 | { |
409 | { |
431 | sigset_t fullsigset, oldsigset; |
410 | int res; |
432 | pthread_t tid; |
|
|
433 | pthread_attr_t attr; |
|
|
434 | |
411 | |
435 | pthread_attr_init (&attr); |
412 | do |
436 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
437 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
438 | |
|
|
439 | sigfillset (&fullsigset); |
|
|
440 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
441 | |
|
|
442 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
443 | started++; |
|
|
444 | |
|
|
445 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
446 | } |
|
|
447 | |
|
|
448 | static void req_send (aio_req req) |
|
|
449 | { |
|
|
450 | while (started < wanted && nreqs >= started) |
|
|
451 | start_thread (); |
|
|
452 | |
|
|
453 | ++nreqs; |
|
|
454 | |
|
|
455 | pthread_mutex_lock (&reqlock); |
|
|
456 | |
|
|
457 | req->next = 0; |
|
|
458 | |
|
|
459 | if (reqe) |
|
|
460 | { |
413 | { |
461 | reqe->next = req; |
414 | res = eio_poll (); |
462 | reqe = req; |
415 | |
|
|
416 | if (res > 0) |
|
|
417 | croak (0); |
463 | } |
418 | } |
464 | else |
419 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
465 | reqe = reqs = req; |
|
|
466 | |
|
|
467 | pthread_cond_signal (&reqwait); |
|
|
468 | pthread_mutex_unlock (&reqlock); |
|
|
469 | |
|
|
470 | if (nreqs > max_outstanding) |
|
|
471 | for (;;) |
|
|
472 | { |
|
|
473 | poll_cb (); |
|
|
474 | |
|
|
475 | if (nreqs <= max_outstanding) |
|
|
476 | break; |
|
|
477 | |
|
|
478 | poll_wait (); |
|
|
479 | } |
|
|
480 | } |
|
|
481 | |
|
|
482 | static void end_thread (void) |
|
|
483 | { |
|
|
484 | aio_req req; |
|
|
485 | Newz (0, req, 1, aio_cb); |
|
|
486 | req->type = REQ_QUIT; |
|
|
487 | |
|
|
488 | req_send (req); |
|
|
489 | } |
|
|
490 | |
|
|
491 | static void min_parallel (int nthreads) |
|
|
492 | { |
|
|
493 | if (wanted < nthreads) |
|
|
494 | wanted = nthreads; |
|
|
495 | } |
|
|
496 | |
|
|
497 | static void max_parallel (int nthreads) |
|
|
498 | { |
|
|
499 | int cur = started; |
|
|
500 | |
|
|
501 | if (wanted > nthreads) |
|
|
502 | wanted = nthreads; |
|
|
503 | |
|
|
504 | while (cur > wanted) |
|
|
505 | { |
|
|
506 | end_thread (); |
|
|
507 | cur--; |
|
|
508 | } |
|
|
509 | |
|
|
510 | while (started > wanted) |
|
|
511 | { |
|
|
512 | poll_wait (); |
|
|
513 | poll_cb (); |
|
|
514 | } |
|
|
515 | } |
|
|
516 | |
|
|
517 | static void create_pipe () |
|
|
518 | { |
|
|
519 | if (pipe (respipe)) |
|
|
520 | croak ("unable to initialize result pipe"); |
|
|
521 | |
|
|
522 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
523 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
524 | |
|
|
525 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
526 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
527 | } |
|
|
528 | |
|
|
529 | /*****************************************************************************/ |
|
|
530 | /* work around various missing functions */ |
|
|
531 | |
|
|
532 | #if !HAVE_PREADWRITE |
|
|
533 | # define pread aio_pread |
|
|
534 | # define pwrite aio_pwrite |
|
|
535 | |
|
|
536 | /* |
|
|
537 | * make our pread/pwrite safe against themselves, but not against |
|
|
538 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
539 | * but that's your problem, not mine. |
|
|
540 | */ |
|
|
541 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
542 | |
|
|
543 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
544 | { |
|
|
545 | ssize_t res; |
|
|
546 | off_t ooffset; |
|
|
547 | |
|
|
548 | pthread_mutex_lock (&preadwritelock); |
|
|
549 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
550 | lseek (fd, offset, SEEK_SET); |
|
|
551 | res = read (fd, buf, count); |
|
|
552 | lseek (fd, ooffset, SEEK_SET); |
|
|
553 | pthread_mutex_unlock (&preadwritelock); |
|
|
554 | |
420 | |
555 | return res; |
421 | return res; |
556 | } |
422 | } |
557 | |
423 | |
558 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
559 | { |
|
|
560 | ssize_t res; |
|
|
561 | off_t ooffset; |
|
|
562 | |
|
|
563 | pthread_mutex_lock (&preadwritelock); |
|
|
564 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
565 | lseek (fd, offset, SEEK_SET); |
|
|
566 | res = write (fd, buf, count); |
|
|
567 | lseek (fd, offset, SEEK_SET); |
|
|
568 | pthread_mutex_unlock (&preadwritelock); |
|
|
569 | |
|
|
570 | return res; |
|
|
571 | } |
|
|
572 | #endif |
|
|
573 | |
|
|
574 | #if !HAVE_FDATASYNC |
|
|
575 | # define fdatasync fsync |
|
|
576 | #endif |
|
|
577 | |
|
|
578 | #if !HAVE_READAHEAD |
|
|
579 | # define readahead aio_readahead |
|
|
580 | |
|
|
581 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
582 | { |
|
|
583 | char readahead_buf[4096]; |
|
|
584 | |
|
|
585 | while (count > 0) |
|
|
586 | { |
|
|
587 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
588 | |
|
|
589 | pread (fd, readahead_buf, len, offset); |
|
|
590 | offset += len; |
|
|
591 | count -= len; |
|
|
592 | } |
|
|
593 | |
|
|
594 | errno = 0; |
|
|
595 | } |
|
|
596 | #endif |
|
|
597 | |
|
|
598 | #if !HAVE_READDIR_R |
|
|
599 | # define readdir_r aio_readdir_r |
|
|
600 | |
|
|
601 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
602 | |
|
|
603 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
604 | { |
|
|
605 | struct dirent *e; |
|
|
606 | int errorno; |
|
|
607 | |
|
|
608 | pthread_mutex_lock (&readdirlock); |
|
|
609 | |
|
|
610 | e = readdir (dirp); |
|
|
611 | errorno = errno; |
|
|
612 | |
|
|
613 | if (e) |
|
|
614 | { |
|
|
615 | *res = ent; |
|
|
616 | strcpy (ent->d_name, e->d_name); |
|
|
617 | } |
|
|
618 | else |
|
|
619 | *res = 0; |
|
|
620 | |
|
|
621 | pthread_mutex_unlock (&readdirlock); |
|
|
622 | |
|
|
623 | errno = errorno; |
|
|
624 | return e ? 0 : -1; |
|
|
625 | } |
|
|
626 | #endif |
|
|
627 | |
|
|
628 | /* sendfile always needs emulation */ |
|
|
629 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
630 | { |
|
|
631 | ssize_t res; |
|
|
632 | |
|
|
633 | if (!count) |
|
|
634 | return 0; |
|
|
635 | |
|
|
636 | #if HAVE_SENDFILE |
|
|
637 | # if __linux |
|
|
638 | res = sendfile (ofd, ifd, &offset, count); |
|
|
639 | |
|
|
640 | # elif __freebsd |
|
|
641 | /* |
|
|
642 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
643 | * wasted on making it similar to other I/O functions. |
|
|
644 | */ |
|
|
645 | { |
|
|
646 | off_t sbytes; |
|
|
647 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
648 | |
|
|
649 | if (res < 0 && sbytes) |
|
|
650 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
651 | res = sbytes; |
|
|
652 | } |
|
|
653 | |
|
|
654 | # elif __hpux |
|
|
655 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
656 | |
|
|
657 | # elif __solaris |
|
|
658 | { |
|
|
659 | struct sendfilevec vec; |
|
|
660 | size_t sbytes; |
|
|
661 | |
|
|
662 | vec.sfv_fd = ifd; |
|
|
663 | vec.sfv_flag = 0; |
|
|
664 | vec.sfv_off = offset; |
|
|
665 | vec.sfv_len = count; |
|
|
666 | |
|
|
667 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
668 | |
|
|
669 | if (res < 0 && sbytes) |
|
|
670 | res = sbytes; |
|
|
671 | } |
|
|
672 | |
|
|
673 | # endif |
|
|
674 | #else |
|
|
675 | res = -1; |
|
|
676 | errno = ENOSYS; |
|
|
677 | #endif |
|
|
678 | |
|
|
679 | if (res < 0 |
|
|
680 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
681 | #if __solaris |
|
|
682 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
683 | #endif |
|
|
684 | ) |
|
|
685 | ) |
|
|
686 | { |
|
|
687 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
688 | char buf[4096]; |
|
|
689 | res = 0; |
|
|
690 | |
|
|
691 | while (count) |
|
|
692 | { |
|
|
693 | ssize_t cnt; |
|
|
694 | |
|
|
695 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
|
|
696 | |
|
|
697 | if (cnt <= 0) |
|
|
698 | { |
|
|
699 | if (cnt && !res) res = -1; |
|
|
700 | break; |
|
|
701 | } |
|
|
702 | |
|
|
703 | cnt = write (ofd, buf, cnt); |
|
|
704 | |
|
|
705 | if (cnt <= 0) |
|
|
706 | { |
|
|
707 | if (cnt && !res) res = -1; |
|
|
708 | break; |
|
|
709 | } |
|
|
710 | |
|
|
711 | offset += cnt; |
|
|
712 | res += cnt; |
|
|
713 | count -= cnt; |
|
|
714 | } |
|
|
715 | } |
|
|
716 | |
|
|
717 | return res; |
|
|
718 | } |
|
|
719 | |
|
|
720 | /* read a full directory */ |
|
|
721 | static int scandir_ (const char *path, void **namesp) |
|
|
722 | { |
|
|
723 | DIR *dirp = opendir (path); |
|
|
724 | union |
|
|
725 | { |
|
|
726 | struct dirent d; |
|
|
727 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
728 | } u; |
|
|
729 | struct dirent *entp; |
|
|
730 | char *name, *names; |
|
|
731 | int memlen = 4096; |
|
|
732 | int memofs = 0; |
|
|
733 | int res = 0; |
|
|
734 | int errorno; |
|
|
735 | |
|
|
736 | if (!dirp) |
|
|
737 | return -1; |
|
|
738 | |
|
|
739 | names = malloc (memlen); |
|
|
740 | |
|
|
741 | for (;;) |
|
|
742 | { |
|
|
743 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
744 | |
|
|
745 | if (!entp) |
|
|
746 | break; |
|
|
747 | |
|
|
748 | name = entp->d_name; |
|
|
749 | |
|
|
750 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
751 | { |
|
|
752 | int len = strlen (name) + 1; |
|
|
753 | |
|
|
754 | res++; |
|
|
755 | |
|
|
756 | while (memofs + len > memlen) |
|
|
757 | { |
|
|
758 | memlen *= 2; |
|
|
759 | names = realloc (names, memlen); |
|
|
760 | if (!names) |
|
|
761 | break; |
|
|
762 | } |
|
|
763 | |
|
|
764 | memcpy (names + memofs, name, len); |
|
|
765 | memofs += len; |
|
|
766 | } |
|
|
767 | } |
|
|
768 | |
|
|
769 | errorno = errno; |
|
|
770 | closedir (dirp); |
|
|
771 | |
|
|
772 | if (errorno) |
|
|
773 | { |
|
|
774 | free (names); |
|
|
775 | errno = errorno; |
|
|
776 | res = -1; |
|
|
777 | } |
|
|
778 | |
|
|
779 | *namesp = (void *)names; |
|
|
780 | return res; |
|
|
781 | } |
|
|
782 | |
|
|
783 | /*****************************************************************************/ |
|
|
784 | |
|
|
785 | static void *aio_proc (void *thr_arg) |
|
|
786 | { |
|
|
787 | aio_req req; |
|
|
788 | int type; |
|
|
789 | |
|
|
790 | do |
|
|
791 | { |
|
|
792 | pthread_mutex_lock (&reqlock); |
|
|
793 | |
|
|
794 | for (;;) |
|
|
795 | { |
|
|
796 | req = reqs; |
|
|
797 | |
|
|
798 | if (reqs) |
|
|
799 | { |
|
|
800 | reqs = reqs->next; |
|
|
801 | if (!reqs) reqe = 0; |
|
|
802 | } |
|
|
803 | |
|
|
804 | if (req) |
|
|
805 | break; |
|
|
806 | |
|
|
807 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
808 | } |
|
|
809 | |
|
|
810 | pthread_mutex_unlock (&reqlock); |
|
|
811 | |
|
|
812 | errno = 0; /* strictly unnecessary */ |
|
|
813 | type = req->type; /* remember type for QUIT check */ |
|
|
814 | |
|
|
815 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
816 | switch (type) |
|
|
817 | { |
|
|
818 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
819 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
820 | |
|
|
821 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
822 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
823 | |
|
|
824 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
825 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
826 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
827 | |
|
|
828 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
829 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
830 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
831 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
832 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
833 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
834 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
835 | |
|
|
836 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
837 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
838 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
839 | |
|
|
840 | case REQ_SLEEP: |
|
|
841 | { |
|
|
842 | struct timeval tv; |
|
|
843 | |
|
|
844 | tv.tv_sec = req->fd; |
|
|
845 | tv.tv_usec = req->fd2; |
|
|
846 | |
|
|
847 | req->result = select (0, 0, 0, 0, &tv); |
|
|
848 | } |
|
|
849 | |
|
|
850 | case REQ_GROUP: |
|
|
851 | case REQ_NOP: |
|
|
852 | case REQ_QUIT: |
|
|
853 | break; |
|
|
854 | |
|
|
855 | default: |
|
|
856 | req->result = ENOSYS; |
|
|
857 | break; |
|
|
858 | } |
|
|
859 | |
|
|
860 | req->errorno = errno; |
|
|
861 | |
|
|
862 | pthread_mutex_lock (&reslock); |
|
|
863 | |
|
|
864 | req->next = 0; |
|
|
865 | |
|
|
866 | if (rese) |
|
|
867 | { |
|
|
868 | rese->next = req; |
|
|
869 | rese = req; |
|
|
870 | } |
|
|
871 | else |
|
|
872 | { |
|
|
873 | rese = ress = req; |
|
|
874 | |
|
|
875 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
876 | write (respipe [1], &respipe, 1); |
|
|
877 | } |
|
|
878 | |
|
|
879 | pthread_mutex_unlock (&reslock); |
|
|
880 | } |
|
|
881 | while (type != REQ_QUIT); |
|
|
882 | |
|
|
883 | return 0; |
|
|
884 | } |
|
|
885 | |
|
|
886 | /*****************************************************************************/ |
|
|
887 | |
|
|
888 | static void atfork_prepare (void) |
|
|
889 | { |
|
|
890 | pthread_mutex_lock (&reqlock); |
|
|
891 | pthread_mutex_lock (&reslock); |
|
|
892 | #if !HAVE_PREADWRITE |
|
|
893 | pthread_mutex_lock (&preadwritelock); |
|
|
894 | #endif |
|
|
895 | #if !HAVE_READDIR_R |
|
|
896 | pthread_mutex_lock (&readdirlock); |
|
|
897 | #endif |
|
|
898 | } |
|
|
899 | |
|
|
900 | static void atfork_parent (void) |
|
|
901 | { |
|
|
902 | #if !HAVE_READDIR_R |
|
|
903 | pthread_mutex_unlock (&readdirlock); |
|
|
904 | #endif |
|
|
905 | #if !HAVE_PREADWRITE |
|
|
906 | pthread_mutex_unlock (&preadwritelock); |
|
|
907 | #endif |
|
|
908 | pthread_mutex_unlock (&reslock); |
|
|
909 | pthread_mutex_unlock (&reqlock); |
|
|
910 | } |
|
|
911 | |
|
|
912 | static void atfork_child (void) |
424 | static void atfork_child (void) |
913 | { |
425 | { |
914 | aio_req prv; |
|
|
915 | |
|
|
916 | started = 0; |
|
|
917 | |
|
|
918 | while (reqs) |
|
|
919 | { |
|
|
920 | prv = reqs; |
|
|
921 | reqs = prv->next; |
|
|
922 | req_free (prv); |
|
|
923 | } |
|
|
924 | |
|
|
925 | reqs = reqe = 0; |
|
|
926 | |
|
|
927 | while (ress) |
|
|
928 | { |
|
|
929 | prv = ress; |
|
|
930 | ress = prv->next; |
|
|
931 | req_free (prv); |
|
|
932 | } |
|
|
933 | |
|
|
934 | ress = rese = 0; |
|
|
935 | |
|
|
936 | close (respipe [0]); |
|
|
937 | close (respipe [1]); |
|
|
938 | create_pipe (); |
426 | create_respipe (); |
939 | |
|
|
940 | atfork_parent (); |
|
|
941 | } |
427 | } |
942 | |
428 | |
943 | #define dREQ \ |
429 | #define dREQ \ |
944 | aio_req req; \ |
430 | aio_req req; \ |
945 | int req_pri = next_pri; \ |
431 | int req_pri = next_pri; \ |
946 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
432 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
947 | \ |
433 | \ |
948 | if (SvOK (callback) && !SvROK (callback)) \ |
434 | if (SvOK (callback) && !SvROK (callback)) \ |
949 | croak ("callback must be undef or of reference type"); \ |
435 | croak ("callback must be undef or of reference type"); \ |
950 | \ |
436 | \ |
951 | Newz (0, req, 1, aio_cb); \ |
437 | Newz (0, req, 1, eio_req); \ |
952 | if (!req) \ |
438 | if (!req) \ |
953 | croak ("out of memory during aio_req allocation"); \ |
439 | croak ("out of memory during eio_req allocation"); \ |
954 | \ |
440 | \ |
955 | req->callback = newSVsv (callback); \ |
441 | req->callback = newSVsv (callback); \ |
956 | req->pri = req_pri |
442 | req->pri = req_pri |
957 | |
443 | |
958 | #define REQ_SEND \ |
444 | #define REQ_SEND \ |
959 | req_send (req); \ |
445 | eio_submit (req); \ |
960 | \ |
446 | \ |
961 | if (GIMME_V != G_VOID) \ |
447 | if (GIMME_V != G_VOID) \ |
962 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
448 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
963 | |
449 | |
964 | MODULE = IO::AIO PACKAGE = IO::AIO |
450 | MODULE = IO::AIO PACKAGE = IO::AIO |
965 | |
451 | |
966 | PROTOTYPES: ENABLE |
452 | PROTOTYPES: ENABLE |
967 | |
453 | |
968 | BOOT: |
454 | BOOT: |
969 | { |
455 | { |
970 | HV *stash = gv_stashpv ("IO::AIO", 1); |
456 | stash = gv_stashpv ("IO::AIO", 1); |
|
|
457 | |
971 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
458 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
972 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
459 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
973 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
460 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
461 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
462 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
463 | #ifdef _WIN32 |
|
|
464 | X_MUTEX_CHECK (wrklock); |
|
|
465 | X_MUTEX_CHECK (reslock); |
|
|
466 | X_MUTEX_CHECK (reqlock); |
|
|
467 | X_MUTEX_CHECK (reqwait); |
|
|
468 | X_MUTEX_CHECK (preadwritelock); |
|
|
469 | X_MUTEX_CHECK (readdirlock); |
974 | |
470 | |
975 | create_pipe (); |
471 | X_COND_CHECK (reqwait); |
976 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
472 | #else |
977 | } |
473 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
474 | #endif |
978 | |
475 | |
|
|
476 | create_respipe (); |
|
|
477 | |
|
|
478 | if (eio_init (want_poll, done_poll) < 0) |
|
|
479 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
480 | |
|
|
481 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
482 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
483 | } |
|
|
484 | |
979 | void |
485 | void |
980 | min_parallel (nthreads) |
486 | max_poll_reqs (int nreqs) |
981 | int nthreads |
|
|
982 | PROTOTYPE: $ |
487 | PROTOTYPE: $ |
|
|
488 | CODE: |
|
|
489 | eio_set_max_poll_reqs (nreqs); |
983 | |
490 | |
984 | void |
491 | void |
985 | max_parallel (nthreads) |
492 | max_poll_time (double nseconds) |
986 | int nthreads |
|
|
987 | PROTOTYPE: $ |
493 | PROTOTYPE: $ |
988 | |
|
|
989 | int |
|
|
990 | max_outstanding (nreqs) |
|
|
991 | int nreqs |
|
|
992 | PROTOTYPE: $ |
|
|
993 | CODE: |
494 | CODE: |
994 | RETVAL = max_outstanding; |
495 | eio_set_max_poll_time (nseconds); |
|
|
496 | |
|
|
497 | void |
|
|
498 | min_parallel (int nthreads) |
|
|
499 | PROTOTYPE: $ |
|
|
500 | CODE: |
|
|
501 | eio_set_min_parallel (nthreads); |
|
|
502 | |
|
|
503 | void |
|
|
504 | max_parallel (int nthreads) |
|
|
505 | PROTOTYPE: $ |
|
|
506 | CODE: |
|
|
507 | eio_set_max_parallel (nthreads); |
|
|
508 | |
|
|
509 | void |
|
|
510 | max_idle (int nthreads) |
|
|
511 | PROTOTYPE: $ |
|
|
512 | CODE: |
|
|
513 | eio_set_max_idle (nthreads); |
|
|
514 | |
|
|
515 | void |
|
|
516 | max_outstanding (int maxreqs) |
|
|
517 | PROTOTYPE: $ |
|
|
518 | CODE: |
995 | max_outstanding = nreqs; |
519 | max_outstanding = maxreqs; |
996 | |
520 | |
997 | void |
521 | void |
998 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
522 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
999 | SV * pathname |
|
|
1000 | int flags |
|
|
1001 | int mode |
|
|
1002 | SV * callback |
|
|
1003 | PROTOTYPE: $$$;$ |
523 | PROTOTYPE: $$$;$ |
1004 | PPCODE: |
524 | PPCODE: |
1005 | { |
525 | { |
1006 | dREQ; |
526 | dREQ; |
1007 | |
527 | |
1008 | req->type = REQ_OPEN; |
528 | req->type = EIO_OPEN; |
1009 | req->data = newSVsv (pathname); |
529 | req->sv1 = newSVsv (pathname); |
1010 | req->dataptr = SvPVbyte_nolen (req->data); |
530 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1011 | req->fd = flags; |
531 | req->int1 = flags; |
1012 | req->mode = mode; |
532 | req->int2 = mode; |
1013 | |
533 | |
1014 | REQ_SEND; |
534 | REQ_SEND; |
1015 | } |
535 | } |
1016 | |
536 | |
1017 | void |
537 | void |
1018 | aio_close (fh,callback=&PL_sv_undef) |
538 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1019 | SV * fh |
|
|
1020 | SV * callback |
|
|
1021 | PROTOTYPE: $;$ |
539 | PROTOTYPE: $;$ |
1022 | ALIAS: |
540 | ALIAS: |
1023 | aio_close = REQ_CLOSE |
|
|
1024 | aio_fsync = REQ_FSYNC |
541 | aio_fsync = EIO_FSYNC |
1025 | aio_fdatasync = REQ_FDATASYNC |
542 | aio_fdatasync = EIO_FDATASYNC |
1026 | PPCODE: |
543 | PPCODE: |
1027 | { |
544 | { |
1028 | dREQ; |
545 | dREQ; |
1029 | |
546 | |
1030 | req->type = ix; |
547 | req->type = ix; |
1031 | req->fh = newSVsv (fh); |
548 | req->sv1 = newSVsv (fh); |
1032 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
549 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1033 | |
550 | |
1034 | REQ_SEND (req); |
551 | REQ_SEND (req); |
1035 | } |
552 | } |
1036 | |
553 | |
1037 | void |
554 | void |
|
|
555 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
556 | PROTOTYPE: $;$ |
|
|
557 | PPCODE: |
|
|
558 | { |
|
|
559 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
560 | dREQ; |
|
|
561 | |
|
|
562 | if (close_pipe < 0) |
|
|
563 | { |
|
|
564 | int pipefd [2]; |
|
|
565 | |
|
|
566 | if (pipe (pipefd) < 0 |
|
|
567 | || close (pipefd [1]) < 0 |
|
|
568 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
569 | abort (); /*D*/ |
|
|
570 | |
|
|
571 | close_pipe = pipefd [0]; |
|
|
572 | } |
|
|
573 | |
|
|
574 | req->type = EIO_DUP2; |
|
|
575 | req->int1 = close_pipe; |
|
|
576 | req->sv2 = newSVsv (fh); |
|
|
577 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
578 | |
|
|
579 | REQ_SEND (req); |
|
|
580 | } |
|
|
581 | |
|
|
582 | void |
1038 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
583 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1039 | SV * fh |
|
|
1040 | UV offset |
|
|
1041 | UV length |
|
|
1042 | SV * data |
|
|
1043 | UV dataoffset |
|
|
1044 | SV * callback |
|
|
1045 | ALIAS: |
584 | ALIAS: |
1046 | aio_read = REQ_READ |
585 | aio_read = EIO_READ |
1047 | aio_write = REQ_WRITE |
586 | aio_write = EIO_WRITE |
1048 | PROTOTYPE: $$$$$;$ |
587 | PROTOTYPE: $$$$$;$ |
1049 | PPCODE: |
588 | PPCODE: |
1050 | { |
589 | { |
1051 | aio_req req; |
|
|
1052 | STRLEN svlen; |
590 | STRLEN svlen; |
1053 | char *svptr = SvPVbyte (data, svlen); |
591 | char *svptr = SvPVbyte (data, svlen); |
|
|
592 | UV len = SvUV (length); |
1054 | |
593 | |
1055 | SvUPGRADE (data, SVt_PV); |
594 | SvUPGRADE (data, SVt_PV); |
1056 | SvPOK_on (data); |
595 | SvPOK_on (data); |
1057 | |
596 | |
1058 | if (dataoffset < 0) |
597 | if (dataoffset < 0) |
1059 | dataoffset += svlen; |
598 | dataoffset += svlen; |
1060 | |
599 | |
1061 | if (dataoffset < 0 || dataoffset > svlen) |
600 | if (dataoffset < 0 || dataoffset > svlen) |
1062 | croak ("data offset outside of string"); |
601 | croak ("dataoffset outside of data scalar"); |
1063 | |
602 | |
1064 | if (ix == REQ_WRITE) |
603 | if (ix == EIO_WRITE) |
1065 | { |
604 | { |
1066 | /* write: check length and adjust. */ |
605 | /* write: check length and adjust. */ |
1067 | if (length < 0 || length + dataoffset > svlen) |
606 | if (!SvOK (length) || len + dataoffset > svlen) |
1068 | length = svlen - dataoffset; |
607 | len = svlen - dataoffset; |
1069 | } |
608 | } |
1070 | else |
609 | else |
1071 | { |
610 | { |
1072 | /* read: grow scalar as necessary */ |
611 | /* read: grow scalar as necessary */ |
1073 | svptr = SvGROW (data, length + dataoffset); |
612 | svptr = SvGROW (data, len + dataoffset + 1); |
1074 | } |
613 | } |
1075 | |
614 | |
1076 | if (length < 0) |
615 | if (len < 0) |
1077 | croak ("length must not be negative"); |
616 | croak ("length must not be negative"); |
1078 | |
617 | |
1079 | { |
618 | { |
1080 | dREQ; |
619 | dREQ; |
1081 | |
620 | |
1082 | req->type = ix; |
621 | req->type = ix; |
1083 | req->fh = newSVsv (fh); |
622 | req->sv1 = newSVsv (fh); |
1084 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
623 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
1085 | : IoOFP (sv_2io (fh))); |
624 | : IoOFP (sv_2io (fh))); |
|
|
625 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1086 | req->offset = offset; |
626 | req->size = len; |
1087 | req->length = length; |
|
|
1088 | req->data = SvREFCNT_inc (data); |
627 | req->sv2 = SvREFCNT_inc (data); |
1089 | req->dataptr = (char *)svptr + dataoffset; |
628 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
629 | req->stroffset = dataoffset; |
1090 | |
630 | |
1091 | if (!SvREADONLY (data)) |
631 | if (!SvREADONLY (data)) |
1092 | { |
632 | { |
1093 | SvREADONLY_on (data); |
633 | SvREADONLY_on (data); |
1094 | req->data2ptr = (void *)data; |
634 | req->flags |= FLAG_SV2_RO_OFF; |
1095 | } |
635 | } |
1096 | |
636 | |
1097 | REQ_SEND; |
637 | REQ_SEND; |
1098 | } |
638 | } |
1099 | } |
639 | } |
1100 | |
640 | |
1101 | void |
641 | void |
|
|
642 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
643 | PROTOTYPE: $$;$ |
|
|
644 | PPCODE: |
|
|
645 | { |
|
|
646 | SV *data; |
|
|
647 | dREQ; |
|
|
648 | |
|
|
649 | data = newSV (NAME_MAX); |
|
|
650 | SvPOK_on (data); |
|
|
651 | |
|
|
652 | req->type = EIO_READLINK; |
|
|
653 | req->sv1 = newSVsv (path); |
|
|
654 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
655 | req->sv2 = data; |
|
|
656 | req->ptr2 = SvPVbyte_nolen (data); |
|
|
657 | |
|
|
658 | REQ_SEND; |
|
|
659 | } |
|
|
660 | |
|
|
661 | void |
1102 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
662 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1103 | SV * out_fh |
|
|
1104 | SV * in_fh |
|
|
1105 | UV in_offset |
|
|
1106 | UV length |
|
|
1107 | SV * callback |
|
|
1108 | PROTOTYPE: $$$$;$ |
663 | PROTOTYPE: $$$$;$ |
1109 | PPCODE: |
664 | PPCODE: |
1110 | { |
665 | { |
1111 | dREQ; |
666 | dREQ; |
1112 | |
667 | |
1113 | req->type = REQ_SENDFILE; |
668 | req->type = EIO_SENDFILE; |
1114 | req->fh = newSVsv (out_fh); |
669 | req->sv1 = newSVsv (out_fh); |
1115 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
670 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1116 | req->fh2 = newSVsv (in_fh); |
671 | req->sv2 = newSVsv (in_fh); |
1117 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
672 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1118 | req->offset = in_offset; |
673 | req->offs = SvVAL64 (in_offset); |
1119 | req->length = length; |
674 | req->size = length; |
1120 | |
675 | |
1121 | REQ_SEND; |
676 | REQ_SEND; |
1122 | } |
677 | } |
1123 | |
678 | |
1124 | void |
679 | void |
1125 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
680 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1126 | SV * fh |
|
|
1127 | UV offset |
|
|
1128 | IV length |
|
|
1129 | SV * callback |
|
|
1130 | PROTOTYPE: $$$;$ |
681 | PROTOTYPE: $$$;$ |
1131 | PPCODE: |
682 | PPCODE: |
1132 | { |
683 | { |
1133 | dREQ; |
684 | dREQ; |
1134 | |
685 | |
1135 | req->type = REQ_READAHEAD; |
686 | req->type = EIO_READAHEAD; |
1136 | req->fh = newSVsv (fh); |
687 | req->sv1 = newSVsv (fh); |
1137 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
688 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1138 | req->offset = offset; |
689 | req->offs = SvVAL64 (offset); |
1139 | req->length = length; |
690 | req->size = length; |
1140 | |
691 | |
1141 | REQ_SEND; |
692 | REQ_SEND; |
1142 | } |
693 | } |
1143 | |
694 | |
1144 | void |
695 | void |
1145 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
696 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1146 | SV * fh_or_path |
|
|
1147 | SV * callback |
|
|
1148 | ALIAS: |
697 | ALIAS: |
1149 | aio_stat = REQ_STAT |
698 | aio_stat = EIO_STAT |
1150 | aio_lstat = REQ_LSTAT |
699 | aio_lstat = EIO_LSTAT |
1151 | PPCODE: |
700 | PPCODE: |
1152 | { |
701 | { |
1153 | dREQ; |
702 | dREQ; |
1154 | |
703 | |
1155 | New (0, req->statdata, 1, Stat_t); |
704 | req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
1156 | if (!req->statdata) |
705 | if (!req->ptr2) |
1157 | { |
706 | { |
1158 | req_free (req); |
707 | req_destroy (req); |
1159 | croak ("out of memory during aio_req->statdata allocation"); |
708 | croak ("out of memory during aio_stat statdata allocation"); |
1160 | } |
709 | } |
|
|
710 | |
|
|
711 | req->flags |= EIO_FLAG_PTR2_FREE; |
|
|
712 | req->sv1 = newSVsv (fh_or_path); |
1161 | |
713 | |
1162 | if (SvPOK (fh_or_path)) |
714 | if (SvPOK (fh_or_path)) |
1163 | { |
715 | { |
1164 | req->type = ix; |
716 | req->type = ix; |
1165 | req->data = newSVsv (fh_or_path); |
|
|
1166 | req->dataptr = SvPVbyte_nolen (req->data); |
717 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1167 | } |
718 | } |
1168 | else |
719 | else |
1169 | { |
720 | { |
1170 | req->type = REQ_FSTAT; |
721 | req->type = EIO_FSTAT; |
1171 | req->fh = newSVsv (fh_or_path); |
|
|
1172 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
722 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1173 | } |
723 | } |
1174 | |
724 | |
1175 | REQ_SEND; |
725 | REQ_SEND; |
1176 | } |
726 | } |
1177 | |
727 | |
1178 | void |
728 | void |
|
|
729 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
730 | PPCODE: |
|
|
731 | { |
|
|
732 | dREQ; |
|
|
733 | |
|
|
734 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
735 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
736 | req->sv1 = newSVsv (fh_or_path); |
|
|
737 | |
|
|
738 | if (SvPOK (fh_or_path)) |
|
|
739 | { |
|
|
740 | req->type = EIO_UTIME; |
|
|
741 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
742 | } |
|
|
743 | else |
|
|
744 | { |
|
|
745 | req->type = EIO_FUTIME; |
|
|
746 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
747 | } |
|
|
748 | |
|
|
749 | REQ_SEND; |
|
|
750 | } |
|
|
751 | |
|
|
752 | void |
|
|
753 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
754 | PPCODE: |
|
|
755 | { |
|
|
756 | dREQ; |
|
|
757 | |
|
|
758 | req->sv1 = newSVsv (fh_or_path); |
|
|
759 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
760 | |
|
|
761 | if (SvPOK (fh_or_path)) |
|
|
762 | { |
|
|
763 | req->type = EIO_TRUNCATE; |
|
|
764 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
765 | } |
|
|
766 | else |
|
|
767 | { |
|
|
768 | req->type = EIO_FTRUNCATE; |
|
|
769 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
770 | } |
|
|
771 | |
|
|
772 | REQ_SEND; |
|
|
773 | } |
|
|
774 | |
|
|
775 | void |
|
|
776 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
777 | ALIAS: |
|
|
778 | aio_chmod = EIO_CHMOD |
|
|
779 | aio_fchmod = EIO_FCHMOD |
|
|
780 | aio_mkdir = EIO_MKDIR |
|
|
781 | PPCODE: |
|
|
782 | { |
|
|
783 | dREQ; |
|
|
784 | |
|
|
785 | req->type = ix; |
|
|
786 | req->int2 = mode; |
|
|
787 | req->sv1 = newSVsv (fh_or_path); |
|
|
788 | |
|
|
789 | if (ix == EIO_FCHMOD) |
|
|
790 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
791 | else |
|
|
792 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
793 | |
|
|
794 | REQ_SEND; |
|
|
795 | } |
|
|
796 | |
|
|
797 | void |
|
|
798 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
799 | PPCODE: |
|
|
800 | { |
|
|
801 | dREQ; |
|
|
802 | |
|
|
803 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
804 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
805 | req->sv1 = newSVsv (fh_or_path); |
|
|
806 | |
|
|
807 | if (SvPOK (fh_or_path)) |
|
|
808 | { |
|
|
809 | req->type = EIO_CHOWN; |
|
|
810 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
811 | } |
|
|
812 | else |
|
|
813 | { |
|
|
814 | req->type = EIO_FCHOWN; |
|
|
815 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
816 | } |
|
|
817 | |
|
|
818 | REQ_SEND; |
|
|
819 | } |
|
|
820 | |
|
|
821 | void |
1179 | aio_unlink (pathname,callback=&PL_sv_undef) |
822 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1180 | SV * pathname |
|
|
1181 | SV * callback |
|
|
1182 | ALIAS: |
823 | ALIAS: |
1183 | aio_unlink = REQ_UNLINK |
824 | aio_unlink = EIO_UNLINK |
1184 | aio_rmdir = REQ_RMDIR |
825 | aio_rmdir = EIO_RMDIR |
1185 | aio_readdir = REQ_READDIR |
826 | aio_readdir = EIO_READDIR |
1186 | PPCODE: |
827 | PPCODE: |
1187 | { |
828 | { |
1188 | dREQ; |
829 | dREQ; |
1189 | |
830 | |
1190 | req->type = ix; |
831 | req->type = ix; |
1191 | req->data = newSVsv (pathname); |
832 | req->sv1 = newSVsv (pathname); |
1192 | req->dataptr = SvPVbyte_nolen (req->data); |
833 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
834 | |
|
|
835 | REQ_SEND; |
|
|
836 | } |
|
|
837 | |
|
|
838 | void |
|
|
839 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
840 | ALIAS: |
|
|
841 | aio_link = EIO_LINK |
|
|
842 | aio_symlink = EIO_SYMLINK |
|
|
843 | aio_rename = EIO_RENAME |
|
|
844 | PPCODE: |
|
|
845 | { |
|
|
846 | dREQ; |
|
|
847 | |
|
|
848 | req->type = ix; |
|
|
849 | req->sv1 = newSVsv (oldpath); |
|
|
850 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
851 | req->sv2 = newSVsv (newpath); |
|
|
852 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1193 | |
853 | |
1194 | REQ_SEND; |
854 | REQ_SEND; |
1195 | } |
855 | } |
1196 | |
856 | |
1197 | void |
857 | void |
1198 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
858 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1199 | SV * oldpath |
|
|
1200 | SV * newpath |
|
|
1201 | SV * callback |
|
|
1202 | ALIAS: |
|
|
1203 | aio_link = REQ_LINK |
|
|
1204 | aio_symlink = REQ_SYMLINK |
|
|
1205 | aio_rename = REQ_RENAME |
|
|
1206 | PPCODE: |
859 | PPCODE: |
1207 | { |
860 | { |
1208 | dREQ; |
861 | dREQ; |
1209 | |
862 | |
1210 | req->type = ix; |
863 | req->type = EIO_MKNOD; |
1211 | req->fh = newSVsv (oldpath); |
864 | req->sv1 = newSVsv (pathname); |
1212 | req->data2ptr = SvPVbyte_nolen (req->fh); |
865 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1213 | req->data = newSVsv (newpath); |
866 | req->int2 = (mode_t)mode; |
1214 | req->dataptr = SvPVbyte_nolen (req->data); |
867 | req->offs = dev; |
1215 | |
868 | |
1216 | REQ_SEND; |
869 | REQ_SEND; |
1217 | } |
870 | } |
1218 | |
871 | |
1219 | void |
872 | void |
1220 | aio_sleep (delay,callback=&PL_sv_undef) |
873 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1221 | double delay |
|
|
1222 | SV * callback |
|
|
1223 | PPCODE: |
874 | PPCODE: |
1224 | { |
875 | { |
1225 | dREQ; |
876 | dREQ; |
1226 | |
877 | |
1227 | req->type = REQ_SLEEP; |
878 | req->type = EIO_BUSY; |
1228 | req->fd = delay < 0. ? 0 : delay; |
879 | req->nv1 = delay < 0. ? 0. : delay; |
1229 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1230 | |
880 | |
1231 | REQ_SEND; |
881 | REQ_SEND; |
1232 | } |
882 | } |
1233 | |
883 | |
1234 | void |
884 | void |
1235 | aio_group (callback=&PL_sv_undef) |
885 | aio_group (SV *callback=&PL_sv_undef) |
1236 | SV * callback |
|
|
1237 | PROTOTYPE: ;$ |
886 | PROTOTYPE: ;$ |
1238 | PPCODE: |
887 | PPCODE: |
1239 | { |
888 | { |
1240 | dREQ; |
889 | dREQ; |
1241 | |
890 | |
1242 | req->type = REQ_GROUP; |
891 | req->type = EIO_GROUP; |
|
|
892 | |
1243 | req_send (req); |
893 | eio_submit (req); |
1244 | |
|
|
1245 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1246 | } |
895 | } |
1247 | |
896 | |
1248 | void |
897 | void |
1249 | aio_nop (callback=&PL_sv_undef) |
898 | aio_nop (SV *callback=&PL_sv_undef) |
1250 | SV * callback |
899 | ALIAS: |
|
|
900 | aio_nop = EIO_NOP |
|
|
901 | aio_sync = EIO_SYNC |
1251 | PPCODE: |
902 | PPCODE: |
1252 | { |
903 | { |
1253 | dREQ; |
904 | dREQ; |
1254 | |
905 | |
1255 | req->type = REQ_NOP; |
906 | req->type = ix; |
1256 | |
907 | |
1257 | REQ_SEND; |
908 | REQ_SEND; |
1258 | } |
909 | } |
1259 | |
910 | |
1260 | #if 0 |
911 | int |
1261 | |
912 | aioreq_pri (int pri = 0) |
1262 | void |
913 | PROTOTYPE: ;$ |
1263 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1264 | CODE: |
914 | CODE: |
|
|
915 | RETVAL = next_pri - EIO_PRI_BIAS; |
|
|
916 | if (items > 0) |
|
|
917 | { |
1265 | if (pri > PRI_MIN) pri = PRI_MIN; |
918 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1266 | if (pri < PRI_MAX) pri = PRI_MAX; |
919 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1267 | next_pri = pri + PRI_BIAS; |
920 | next_pri = pri + EIO_PRI_BIAS; |
|
|
921 | } |
|
|
922 | OUTPUT: |
|
|
923 | RETVAL |
1268 | |
924 | |
1269 | #endif |
925 | void |
|
|
926 | aioreq_nice (int nice = 0) |
|
|
927 | CODE: |
|
|
928 | nice = next_pri - nice; |
|
|
929 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
930 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
931 | next_pri = nice + EIO_PRI_BIAS; |
1270 | |
932 | |
1271 | void |
933 | void |
1272 | flush () |
934 | flush () |
1273 | PROTOTYPE: |
935 | PROTOTYPE: |
1274 | CODE: |
936 | CODE: |
1275 | while (nreqs) |
937 | while (eio_nreqs ()) |
1276 | { |
938 | { |
1277 | poll_wait (); |
939 | poll_wait (); |
1278 | poll_cb (); |
940 | poll_cb (); |
1279 | } |
941 | } |
1280 | |
942 | |
1281 | void |
943 | int |
1282 | poll() |
944 | poll() |
1283 | PROTOTYPE: |
945 | PROTOTYPE: |
1284 | CODE: |
946 | CODE: |
1285 | if (nreqs) |
|
|
1286 | { |
|
|
1287 | poll_wait (); |
947 | poll_wait (); |
1288 | poll_cb (); |
948 | RETVAL = poll_cb (); |
1289 | } |
949 | OUTPUT: |
|
|
950 | RETVAL |
1290 | |
951 | |
1291 | int |
952 | int |
1292 | poll_fileno() |
953 | poll_fileno() |
1293 | PROTOTYPE: |
954 | PROTOTYPE: |
1294 | CODE: |
955 | CODE: |
… | |
… | |
1306 | |
967 | |
1307 | void |
968 | void |
1308 | poll_wait() |
969 | poll_wait() |
1309 | PROTOTYPE: |
970 | PROTOTYPE: |
1310 | CODE: |
971 | CODE: |
1311 | if (nreqs) |
|
|
1312 | poll_wait (); |
972 | poll_wait (); |
1313 | |
973 | |
1314 | int |
974 | int |
1315 | nreqs() |
975 | nreqs() |
1316 | PROTOTYPE: |
976 | PROTOTYPE: |
1317 | CODE: |
977 | CODE: |
1318 | RETVAL = nreqs; |
978 | RETVAL = eio_nreqs (); |
1319 | OUTPUT: |
979 | OUTPUT: |
1320 | RETVAL |
980 | RETVAL |
1321 | |
981 | |
|
|
982 | int |
|
|
983 | nready() |
|
|
984 | PROTOTYPE: |
|
|
985 | CODE: |
|
|
986 | RETVAL = eio_nready (); |
|
|
987 | OUTPUT: |
|
|
988 | RETVAL |
|
|
989 | |
|
|
990 | int |
|
|
991 | npending() |
|
|
992 | PROTOTYPE: |
|
|
993 | CODE: |
|
|
994 | RETVAL = eio_npending (); |
|
|
995 | OUTPUT: |
|
|
996 | RETVAL |
|
|
997 | |
|
|
998 | int |
|
|
999 | nthreads() |
|
|
1000 | PROTOTYPE: |
|
|
1001 | CODE: |
|
|
1002 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
|
|
1003 | RETVAL = started; |
|
|
1004 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1005 | OUTPUT: |
|
|
1006 | RETVAL |
|
|
1007 | |
1322 | PROTOTYPES: DISABLE |
1008 | PROTOTYPES: DISABLE |
1323 | |
1009 | |
1324 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1010 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1325 | |
1011 | |
1326 | void |
1012 | void |
1327 | cancel (aio_req_ornot req) |
1013 | cancel (aio_req_ornot req) |
1328 | PROTOTYPE: |
|
|
1329 | CODE: |
1014 | CODE: |
1330 | req_cancel (req); |
1015 | eio_cancel (req); |
1331 | |
1016 | |
1332 | void |
1017 | void |
1333 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1018 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1334 | CODE: |
1019 | CODE: |
1335 | SvREFCNT_dec (req->callback); |
1020 | SvREFCNT_dec (req->callback); |
… | |
… | |
1340 | void |
1025 | void |
1341 | add (aio_req grp, ...) |
1026 | add (aio_req grp, ...) |
1342 | PPCODE: |
1027 | PPCODE: |
1343 | { |
1028 | { |
1344 | int i; |
1029 | int i; |
1345 | aio_req req; |
|
|
1346 | |
1030 | |
1347 | if (grp->fd == 2) |
1031 | if (grp->int1 == 2) |
1348 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1032 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1349 | |
1033 | |
1350 | for (i = 1; i < items; ++i ) |
1034 | for (i = 1; i < items; ++i ) |
1351 | { |
1035 | { |
|
|
1036 | aio_req req; |
|
|
1037 | |
1352 | if (GIMME_V != G_VOID) |
1038 | if (GIMME_V != G_VOID) |
1353 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1039 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1354 | |
1040 | |
1355 | req = SvAIO_REQ (ST (i)); |
1041 | req = SvAIO_REQ (ST (i)); |
1356 | |
1042 | |
1357 | if (req) |
1043 | if (req) |
1358 | { |
1044 | eio_grp_add (grp, req); |
1359 | ++grp->length; |
|
|
1360 | req->grp = grp; |
|
|
1361 | |
|
|
1362 | req->grp_prev = 0; |
|
|
1363 | req->grp_next = grp->grp_first; |
|
|
1364 | |
|
|
1365 | if (grp->grp_first) |
|
|
1366 | grp->grp_first->grp_prev = req; |
|
|
1367 | |
|
|
1368 | grp->grp_first = req; |
|
|
1369 | } |
1045 | } |
1370 | } |
|
|
1371 | } |
1046 | } |
|
|
1047 | |
|
|
1048 | void |
|
|
1049 | cancel_subs (aio_req_ornot req) |
|
|
1050 | CODE: |
|
|
1051 | req_cancel_subs (req); |
1372 | |
1052 | |
1373 | void |
1053 | void |
1374 | result (aio_req grp, ...) |
1054 | result (aio_req grp, ...) |
1375 | CODE: |
1055 | CODE: |
1376 | { |
1056 | { |
1377 | int i; |
1057 | int i; |
|
|
1058 | AV *av; |
|
|
1059 | |
|
|
1060 | grp->errorno = errno; |
|
|
1061 | |
1378 | AV *av = newAV (); |
1062 | av = newAV (); |
1379 | |
1063 | |
1380 | for (i = 1; i < items; ++i ) |
1064 | for (i = 1; i < items; ++i ) |
1381 | av_push (av, newSVsv (ST (i))); |
1065 | av_push (av, newSVsv (ST (i))); |
1382 | |
1066 | |
1383 | SvREFCNT_dec (grp->data); |
1067 | SvREFCNT_dec (grp->sv1); |
1384 | grp->data = (SV *)av; |
1068 | grp->sv1 = (SV *)av; |
1385 | } |
1069 | } |
1386 | |
1070 | |
1387 | void |
1071 | void |
|
|
1072 | errno (aio_req grp, int errorno = errno) |
|
|
1073 | CODE: |
|
|
1074 | grp->errorno = errorno; |
|
|
1075 | |
|
|
1076 | void |
1388 | feed_limit (aio_req grp, int limit) |
1077 | limit (aio_req grp, int limit) |
1389 | CODE: |
1078 | CODE: |
1390 | grp->fd2 = limit; |
1079 | eio_grp_limit (grp, limit); |
1391 | aio_grp_feed (grp); |
|
|
1392 | |
1080 | |
1393 | void |
1081 | void |
1394 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1082 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1395 | CODE: |
1083 | CODE: |
1396 | { |
1084 | { |
1397 | SvREFCNT_dec (grp->fh2); |
1085 | SvREFCNT_dec (grp->sv2); |
1398 | grp->fh2 = newSVsv (callback); |
1086 | grp->sv2 = newSVsv (callback); |
1399 | |
1087 | |
1400 | if (grp->fd2 <= 0) |
1088 | if (grp->int2 <= 0) |
1401 | grp->fd2 = 2; |
1089 | grp->int2 = 2; |
1402 | |
1090 | |
1403 | aio_grp_feed (grp); |
1091 | eio_grp_limit (grp, grp->int2); |
1404 | } |
1092 | } |
1405 | |
1093 | |