1 | #define PERL_NO_GET_CONTEXT |
1 | #include "libeio/xthread.h" |
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2 | |
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3 | #include <errno.h> |
2 | |
4 | |
3 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
4 | #include "perl.h" |
6 | #include "perl.h" |
5 | #include "XSUB.h" |
7 | #include "XSUB.h" |
6 | |
8 | |
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9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
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11 | #include <errno.h> |
7 | #include <sys/types.h> |
12 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
9 | #include <unistd.h> |
14 | #include <limits.h> |
10 | #include <fcntl.h> |
15 | #include <fcntl.h> |
11 | #include <signal.h> |
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12 | #include <sched.h> |
16 | #include <sched.h> |
13 | #include <endian.h> |
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14 | |
17 | |
15 | #include <pthread.h> |
18 | /* perl namespace pollution */ |
16 | #include <sys/syscall.h> |
19 | #undef VERSION |
17 | |
20 | |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | #ifdef _WIN32 |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
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20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
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21 | |
22 | |
22 | #if __ia64 |
23 | # define EIO_STRUCT_DIRENT Direntry_t |
23 | # define STACKSIZE 65536 |
24 | # undef malloc |
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25 | # undef free |
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26 | |
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27 | // perl overrides all those nice win32 functions |
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28 | # undef open |
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29 | # undef read |
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30 | # undef write |
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31 | # undef send |
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32 | # undef recv |
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33 | # undef stat |
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34 | # undef fstat |
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35 | # define lstat stat |
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36 | # undef truncate |
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37 | # undef ftruncate |
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38 | # undef open |
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39 | # undef close |
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40 | # undef unlink |
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41 | # undef rmdir |
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42 | # undef rename |
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43 | # undef lseek |
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44 | |
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45 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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46 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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47 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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48 | # define symlink(a,b) (errno = ENOSYS, -1) |
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49 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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50 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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51 | # define truncate(a,b) (errno = ENOSYS, -1) |
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52 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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53 | # define fsync(fd) _commit (fd) |
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54 | # define opendir(fd) (errno = ENOSYS, 0) |
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55 | # define readdir(fd) (errno = ENOSYS, -1) |
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56 | # define closedir(fd) (errno = ENOSYS, -1) |
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57 | # define mkdir(a,b) mkdir (a) |
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58 | |
24 | #else |
59 | #else |
25 | # define STACKSIZE 4096 |
60 | |
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61 | # include <sys/time.h> |
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62 | # include <sys/select.h> |
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63 | # include <unistd.h> |
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64 | # include <utime.h> |
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65 | # include <signal.h> |
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66 | # define EIO_STRUCT_DIRENT struct dirent |
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67 | |
26 | #endif |
68 | #endif |
27 | |
69 | |
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70 | /* perl stupidly overrides readdir and maybe others */ |
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71 | /* with thread-unsafe versions, imagine that :( */ |
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72 | #undef readdir |
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73 | #undef opendir |
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74 | #undef closedir |
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75 | |
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76 | #define EIO_STRUCT_STAT Stat_t |
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77 | |
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78 | /* use NV for 32 bit perls as it allows larger offsets */ |
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79 | #if IVSIZE >= 8 |
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80 | # define SvVAL64 SvIV |
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81 | #else |
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82 | # define SvVAL64 SvNV |
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83 | #endif |
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84 | |
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85 | static HV *stash; |
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86 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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87 | |
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88 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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89 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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90 | |
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91 | #define EIO_REQ_MEMBERS \ |
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92 | SV *callback; \ |
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93 | SV *sv1, *sv2; \ |
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94 | STRLEN stroffset; \ |
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95 | SV *self; |
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96 | |
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97 | #define EIO_NO_WRAPPERS 1 |
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98 | |
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99 | #include "libeio/eio.h" |
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100 | |
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101 | static int req_invoke (eio_req *req); |
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102 | #define EIO_FINISH(req) req_invoke (req) |
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103 | static void aio_grp_feed (eio_req *grp); |
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104 | #define EIO_FEED(req) aio_grp_feed (req) |
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105 | static void req_destroy (eio_req *grp); |
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106 | #define EIO_DESTROY(req) req_destroy (req) |
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107 | |
28 | enum { |
108 | enum { |
29 | REQ_QUIT, |
109 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
30 | REQ_OPEN, REQ_CLOSE, |
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31 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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32 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
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33 | REQ_FSYNC, REQ_FDATASYNC, |
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34 | }; |
110 | }; |
35 | |
111 | |
36 | typedef struct aio_cb { |
112 | #include "libeio/eio.c" |
37 | struct aio_cb *volatile next; |
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38 | |
113 | |
39 | int type; |
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40 | |
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41 | int fd; |
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42 | off_t offset; |
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43 | size_t length; |
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44 | ssize_t result; |
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45 | mode_t mode; /* open */ |
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46 | int errorno; |
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47 | SV *data, *callback; |
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48 | void *dataptr; |
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49 | STRLEN dataoffset; |
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50 | |
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51 | Stat_t *statdata; |
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52 | } aio_cb; |
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53 | |
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54 | typedef aio_cb *aio_req; |
114 | typedef eio_req *aio_req; |
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115 | typedef eio_req *aio_req_ornot; |
55 | |
116 | |
56 | static int started; |
117 | static SV *on_next_submit; |
57 | static int nreqs; |
118 | static int next_pri = EIO_PRI_DEFAULT; |
58 | static int max_outstanding = 1<<30; |
119 | static int max_outstanding; |
59 | static int respipe [2]; |
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60 | |
120 | |
61 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
121 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
62 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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63 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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64 | |
122 | |
65 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
123 | static void req_destroy (aio_req req); |
66 | static volatile aio_req ress, rese; /* queue start, queue end */ |
124 | static void req_cancel (aio_req req); |
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125 | |
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126 | static void want_poll (void) |
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127 | { |
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128 | /* write a dummy byte to the pipe so fh becomes ready */ |
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129 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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130 | } |
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131 | |
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132 | static void done_poll (void) |
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133 | { |
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134 | /* read any signals sent by the worker threads */ |
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135 | char buf [4]; |
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136 | while (respipe_read (respipe [0], buf, 4) == 4) |
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137 | ; |
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138 | } |
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139 | |
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140 | /* must be called at most once */ |
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141 | static SV *req_sv (aio_req req, const char *klass) |
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142 | { |
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143 | if (!req->self) |
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144 | { |
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145 | req->self = (SV *)newHV (); |
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146 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
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147 | } |
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148 | |
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149 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
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150 | } |
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151 | |
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152 | static aio_req SvAIO_REQ (SV *sv) |
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153 | { |
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154 | MAGIC *mg; |
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155 | |
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156 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
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157 | croak ("object of class " AIO_REQ_KLASS " expected"); |
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158 | |
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159 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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160 | |
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161 | return mg ? (aio_req)mg->mg_ptr : 0; |
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162 | } |
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163 | |
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164 | static void aio_grp_feed (aio_req grp) |
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165 | { |
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166 | if (grp->sv2 && SvOK (grp->sv2)) |
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167 | { |
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168 | dSP; |
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169 | |
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170 | ENTER; |
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171 | SAVETMPS; |
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172 | PUSHMARK (SP); |
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173 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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174 | PUTBACK; |
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175 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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176 | SPAGAIN; |
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177 | FREETMPS; |
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178 | LEAVE; |
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179 | } |
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180 | } |
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181 | |
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182 | static void req_submit (eio_req *req) |
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183 | { |
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184 | eio_submit (req); |
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185 | |
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186 | if (on_next_submit) |
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187 | { |
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188 | dSP; |
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189 | SV *cb = sv_2mortal (on_next_submit); |
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190 | |
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191 | on_next_submit = 0; |
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192 | |
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193 | PUSHMARK (SP); |
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194 | PUTBACK; |
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195 | call_sv (cb, G_DISCARD | G_EVAL); |
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196 | } |
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197 | } |
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198 | |
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199 | static int req_invoke (eio_req *req) |
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200 | { |
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201 | dSP; |
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202 | |
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203 | if (req->flags & FLAG_SV2_RO_OFF) |
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204 | SvREADONLY_off (req->sv2); |
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205 | |
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206 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
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207 | { |
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208 | ENTER; |
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209 | SAVETMPS; |
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210 | PUSHMARK (SP); |
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211 | EXTEND (SP, 1); |
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212 | |
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213 | switch (req->type) |
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214 | { |
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215 | case EIO_READDIR: |
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216 | { |
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217 | SV *rv = &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 | int i; |
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222 | char *buf = req->ptr2; |
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223 | AV *av = newAV (); |
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224 | |
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225 | av_extend (av, req->result - 1); |
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226 | |
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227 | for (i = 0; i < req->result; ++i) |
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228 | { |
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229 | SV *sv = newSVpv (buf, 0); |
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230 | |
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231 | av_store (av, i, sv); |
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232 | buf += SvCUR (sv) + 1; |
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233 | } |
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234 | |
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235 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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236 | } |
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237 | |
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238 | PUSHs (rv); |
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239 | } |
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240 | break; |
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241 | |
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242 | case EIO_OPEN: |
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243 | { |
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244 | /* convert fd to fh */ |
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245 | SV *fh = &PL_sv_undef; |
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246 | |
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247 | if (req->result >= 0) |
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248 | { |
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249 | GV *gv = (GV *)sv_newmortal (); |
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250 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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251 | char sym [64]; |
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252 | int symlen; |
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253 | |
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254 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
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255 | gv_init (gv, stash, sym, symlen, 0); |
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256 | |
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257 | symlen = snprintf ( |
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258 | sym, |
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259 | sizeof (sym), |
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260 | "%s&=%d", |
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261 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
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262 | req->result |
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263 | ); |
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264 | |
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265 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
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266 | fh = (SV *)gv; |
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267 | } |
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268 | |
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269 | PUSHs (fh); |
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270 | } |
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271 | break; |
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272 | |
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273 | case EIO_GROUP: |
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274 | req->int1 = 2; /* mark group as finished */ |
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275 | |
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276 | if (req->sv1) |
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277 | { |
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278 | int i; |
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279 | AV *av = (AV *)req->sv1; |
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280 | |
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281 | EXTEND (SP, AvFILL (av) + 1); |
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282 | for (i = 0; i <= AvFILL (av); ++i) |
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283 | PUSHs (*av_fetch (av, i, 0)); |
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284 | } |
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285 | break; |
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286 | |
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287 | case EIO_NOP: |
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288 | case EIO_BUSY: |
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289 | break; |
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290 | |
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291 | case EIO_READLINK: |
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292 | if (req->result > 0) |
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293 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
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294 | break; |
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295 | |
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296 | case EIO_STAT: |
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297 | case EIO_LSTAT: |
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298 | case EIO_FSTAT: |
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299 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
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300 | PL_laststatval = req->result; |
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301 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
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302 | PUSHs (sv_2mortal (newSViv (req->result))); |
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303 | break; |
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304 | |
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305 | case EIO_READ: |
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306 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
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307 | *SvEND (req->sv2) = 0; |
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308 | PUSHs (sv_2mortal (newSViv (req->result))); |
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309 | break; |
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310 | |
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311 | case EIO_DUP2: |
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312 | if (req->result > 0) |
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313 | req->result = 0; |
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314 | /* FALLTHROUGH */ |
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315 | |
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316 | default: |
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317 | PUSHs (sv_2mortal (newSViv (req->result))); |
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318 | break; |
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319 | } |
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320 | |
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321 | errno = req->errorno; |
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322 | |
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323 | PUTBACK; |
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324 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
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325 | SPAGAIN; |
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326 | |
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327 | FREETMPS; |
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328 | LEAVE; |
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329 | |
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330 | PUTBACK; |
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331 | } |
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332 | |
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333 | return !!SvTRUE (ERRSV); |
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334 | } |
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335 | |
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336 | static void req_destroy (aio_req req) |
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337 | { |
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338 | if (req->self) |
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339 | { |
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340 | sv_unmagic (req->self, PERL_MAGIC_ext); |
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341 | SvREFCNT_dec (req->self); |
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342 | } |
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343 | |
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344 | SvREFCNT_dec (req->sv1); |
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345 | SvREFCNT_dec (req->sv2); |
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346 | SvREFCNT_dec (req->callback); |
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347 | |
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348 | Safefree (req); |
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349 | } |
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350 | |
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351 | static void req_cancel_subs (aio_req grp) |
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352 | { |
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353 | aio_req sub; |
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354 | |
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355 | if (grp->type != EIO_GROUP) |
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356 | return; |
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357 | |
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358 | SvREFCNT_dec (grp->sv2); |
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359 | grp->sv2 = 0; |
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360 | |
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361 | eio_grp_cancel (grp); |
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362 | } |
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363 | |
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364 | #ifdef USE_SOCKETS_AS_HANDLES |
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365 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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366 | #else |
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367 | # define TO_SOCKET(x) (x) |
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368 | #endif |
67 | |
369 | |
68 | static void |
370 | static void |
69 | poll_wait () |
371 | create_respipe (void) |
70 | { |
372 | { |
71 | if (!nreqs) |
373 | int old_readfd = respipe [0]; |
72 | return; |
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73 | |
374 | |
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375 | if (respipe [1] >= 0) |
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376 | respipe_close (TO_SOCKET (respipe [1])); |
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377 | |
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378 | #ifdef _WIN32 |
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379 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
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380 | #else |
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381 | if (pipe (respipe)) |
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382 | #endif |
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383 | croak ("unable to initialize result pipe"); |
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384 | |
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385 | if (old_readfd >= 0) |
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386 | { |
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387 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
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388 | croak ("unable to initialize result pipe(2)"); |
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389 | |
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390 | respipe_close (respipe [0]); |
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391 | respipe [0] = old_readfd; |
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392 | } |
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393 | |
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394 | #ifdef _WIN32 |
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395 | int arg = 1; |
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396 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
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397 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
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398 | #else |
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399 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
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400 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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401 | #endif |
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402 | croak ("unable to initialize result pipe(3)"); |
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403 | |
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404 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
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405 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
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406 | } |
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407 | |
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408 | static void poll_wait (void) |
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409 | { |
74 | fd_set rfd; |
410 | fd_set rfd; |
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411 | |
|
|
412 | while (eio_nreqs ()) |
|
|
413 | { |
|
|
414 | int size; |
|
|
415 | |
|
|
416 | X_LOCK (reslock); |
|
|
417 | size = res_queue.size; |
|
|
418 | X_UNLOCK (reslock); |
|
|
419 | |
|
|
420 | if (size) |
|
|
421 | return; |
|
|
422 | |
|
|
423 | etp_maybe_start_thread (); |
|
|
424 | |
75 | FD_ZERO(&rfd); |
425 | FD_ZERO (&rfd); |
76 | FD_SET(respipe [0], &rfd); |
426 | FD_SET (respipe [0], &rfd); |
77 | |
427 | |
78 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
428 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
79 | } |
|
|
80 | |
|
|
81 | static int |
|
|
82 | poll_cb (pTHX) |
|
|
83 | { |
|
|
84 | dSP; |
|
|
85 | int count = 0; |
|
|
86 | aio_req req; |
|
|
87 | |
|
|
88 | { |
|
|
89 | /* read and signals sent by the worker threads */ |
|
|
90 | char buf [32]; |
|
|
91 | while (read (respipe [0], buf, 32) > 0) |
|
|
92 | ; |
|
|
93 | } |
429 | } |
|
|
430 | } |
94 | |
431 | |
|
|
432 | static int poll_cb (void) |
|
|
433 | { |
95 | for (;;) |
434 | for (;;) |
96 | { |
435 | { |
97 | pthread_mutex_lock (&reslock); |
436 | int res = eio_poll (); |
98 | |
437 | |
99 | req = ress; |
|
|
100 | |
|
|
101 | if (ress) |
438 | if (res > 0) |
102 | { |
|
|
103 | ress = ress->next; |
|
|
104 | if (!ress) rese = 0; |
|
|
105 | } |
|
|
106 | |
|
|
107 | pthread_mutex_unlock (&reslock); |
|
|
108 | |
|
|
109 | if (!req) |
|
|
110 | break; |
439 | croak (0); |
111 | |
440 | |
112 | nreqs--; |
441 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
442 | return res; |
113 | |
443 | |
114 | if (req->type == REQ_QUIT) |
444 | poll_wait (); |
115 | started--; |
|
|
116 | else |
|
|
117 | { |
|
|
118 | int errorno = errno; |
|
|
119 | errno = req->errorno; |
|
|
120 | |
|
|
121 | if (req->type == REQ_READ) |
|
|
122 | SvCUR_set (req->data, req->dataoffset |
|
|
123 | + req->result > 0 ? req->result : 0); |
|
|
124 | |
|
|
125 | if (req->data) |
|
|
126 | SvREFCNT_dec (req->data); |
|
|
127 | |
|
|
128 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
129 | { |
|
|
130 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
131 | PL_laststatval = req->result; |
|
|
132 | PL_statcache = *(req->statdata); |
|
|
133 | |
|
|
134 | Safefree (req->statdata); |
|
|
135 | } |
|
|
136 | |
|
|
137 | PUSHMARK (SP); |
|
|
138 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
139 | |
|
|
140 | if (req->type == REQ_OPEN) |
|
|
141 | { |
|
|
142 | /* convert fd to fh */ |
|
|
143 | SV *fh; |
|
|
144 | |
|
|
145 | PUTBACK; |
|
|
146 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
147 | SPAGAIN; |
|
|
148 | |
|
|
149 | fh = POPs; |
|
|
150 | |
|
|
151 | PUSHMARK (SP); |
|
|
152 | XPUSHs (fh); |
|
|
153 | } |
|
|
154 | |
|
|
155 | PUTBACK; |
|
|
156 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
157 | SPAGAIN; |
|
|
158 | |
|
|
159 | if (req->callback) |
|
|
160 | SvREFCNT_dec (req->callback); |
|
|
161 | |
|
|
162 | errno = errorno; |
|
|
163 | count++; |
|
|
164 | } |
|
|
165 | |
|
|
166 | Safefree (req); |
|
|
167 | } |
445 | } |
168 | |
|
|
169 | return count; |
|
|
170 | } |
446 | } |
171 | |
447 | |
172 | static void *aio_proc(void *arg); |
448 | static void atfork_child (void) |
173 | |
|
|
174 | static void |
|
|
175 | start_thread (void) |
|
|
176 | { |
449 | { |
177 | sigset_t fullsigset, oldsigset; |
450 | create_respipe (); |
178 | pthread_t tid; |
|
|
179 | pthread_attr_t attr; |
|
|
180 | |
|
|
181 | pthread_attr_init (&attr); |
|
|
182 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
183 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
184 | |
|
|
185 | sigfillset (&fullsigset); |
|
|
186 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
187 | |
|
|
188 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
189 | started++; |
|
|
190 | |
|
|
191 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
192 | } |
451 | } |
193 | |
452 | |
194 | static void |
453 | #define dREQ \ |
195 | send_req (aio_req req) |
|
|
196 | { |
|
|
197 | nreqs++; |
|
|
198 | |
|
|
199 | pthread_mutex_lock (&reqlock); |
|
|
200 | |
|
|
201 | req->next = 0; |
|
|
202 | |
|
|
203 | if (reqe) |
|
|
204 | { |
|
|
205 | reqe->next = req; |
|
|
206 | reqe = req; |
|
|
207 | } |
|
|
208 | else |
|
|
209 | reqe = reqs = req; |
|
|
210 | |
|
|
211 | pthread_cond_signal (&reqwait); |
|
|
212 | pthread_mutex_unlock (&reqlock); |
|
|
213 | |
|
|
214 | while (nreqs > max_outstanding) |
|
|
215 | { |
|
|
216 | poll_wait (); |
|
|
217 | poll_cb (); |
|
|
218 | } |
|
|
219 | } |
|
|
220 | |
|
|
221 | static void |
|
|
222 | end_thread (void) |
|
|
223 | { |
|
|
224 | aio_req req; |
454 | aio_req req; \ |
225 | New (0, req, 1, aio_cb); |
455 | int req_pri = next_pri; \ |
226 | req->type = REQ_QUIT; |
456 | next_pri = EIO_PRI_DEFAULT; \ |
227 | |
457 | \ |
228 | send_req (req); |
458 | if (SvOK (callback) && !SvROK (callback)) \ |
229 | } |
459 | croak ("callback must be undef or of reference type"); \ |
230 | |
460 | \ |
231 | static void |
|
|
232 | read_write (pTHX_ |
|
|
233 | int dowrite, int fd, off_t offset, size_t length, |
|
|
234 | SV *data, STRLEN dataoffset, SV *callback) |
|
|
235 | { |
|
|
236 | aio_req req; |
|
|
237 | STRLEN svlen; |
|
|
238 | char *svptr = SvPV (data, svlen); |
|
|
239 | |
|
|
240 | SvUPGRADE (data, SVt_PV); |
|
|
241 | SvPOK_on (data); |
|
|
242 | |
|
|
243 | if (dataoffset < 0) |
|
|
244 | dataoffset += svlen; |
|
|
245 | |
|
|
246 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
247 | croak ("data offset outside of string"); |
|
|
248 | |
|
|
249 | if (dowrite) |
|
|
250 | { |
|
|
251 | /* write: check length and adjust. */ |
|
|
252 | if (length < 0 || length + dataoffset > svlen) |
|
|
253 | length = svlen - dataoffset; |
|
|
254 | } |
|
|
255 | else |
|
|
256 | { |
|
|
257 | /* read: grow scalar as necessary */ |
|
|
258 | svptr = SvGROW (data, length + dataoffset); |
|
|
259 | } |
|
|
260 | |
|
|
261 | if (length < 0) |
|
|
262 | croak ("length must not be negative"); |
|
|
263 | |
|
|
264 | Newz (0, req, 1, aio_cb); |
461 | Newz (0, req, 1, eio_req); \ |
265 | |
462 | if (!req) \ |
266 | if (!req) |
|
|
267 | croak ("out of memory during aio_req allocation"); |
463 | croak ("out of memory during eio_req allocation"); \ |
268 | |
464 | \ |
269 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
|
|
270 | req->fd = fd; |
|
|
271 | req->offset = offset; |
|
|
272 | req->length = length; |
|
|
273 | req->data = SvREFCNT_inc (data); |
|
|
274 | req->dataptr = (char *)svptr + dataoffset; |
|
|
275 | req->callback = SvREFCNT_inc (callback); |
465 | req->callback = newSVsv (callback); \ |
|
|
466 | req->pri = req_pri |
276 | |
467 | |
277 | send_req (req); |
468 | #define REQ_SEND \ |
278 | } |
469 | PUTBACK; \ |
|
|
470 | req_submit (req); \ |
|
|
471 | SPAGAIN; \ |
|
|
472 | \ |
|
|
473 | if (GIMME_V != G_VOID) \ |
|
|
474 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
475 | |
|
|
476 | MODULE = IO::AIO PACKAGE = IO::AIO |
279 | |
477 | |
280 | static void * |
478 | PROTOTYPES: ENABLE |
281 | aio_proc (void *thr_arg) |
|
|
282 | { |
|
|
283 | aio_req req; |
|
|
284 | int type; |
|
|
285 | |
479 | |
286 | do |
480 | BOOT: |
287 | { |
481 | { |
288 | pthread_mutex_lock (&reqlock); |
482 | stash = gv_stashpv ("IO::AIO", 1); |
289 | |
483 | |
290 | for (;;) |
484 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
291 | { |
485 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
292 | req = reqs; |
486 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
293 | |
487 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
294 | if (reqs) |
488 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
295 | { |
489 | #ifndef _WIN32 |
296 | reqs = reqs->next; |
490 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
297 | if (!reqs) reqe = 0; |
|
|
298 | } |
|
|
299 | |
|
|
300 | if (req) |
|
|
301 | break; |
|
|
302 | |
|
|
303 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
304 | } |
|
|
305 | |
|
|
306 | pthread_mutex_unlock (&reqlock); |
|
|
307 | |
|
|
308 | errno = 0; /* strictly unnecessary */ |
|
|
309 | |
|
|
310 | type = req->type; |
|
|
311 | |
|
|
312 | switch (type) |
|
|
313 | { |
|
|
314 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
315 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
316 | #if SYS_readahead |
|
|
317 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
318 | #else |
|
|
319 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
|
|
320 | #endif |
491 | #endif |
321 | |
492 | |
322 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
493 | create_respipe (); |
323 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
324 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
325 | |
494 | |
326 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
495 | if (eio_init (want_poll, done_poll) < 0) |
327 | case REQ_CLOSE: req->result = close (req->fd); break; |
496 | croak ("IO::AIO: unable to initialise eio library"); |
328 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
329 | |
497 | |
330 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
498 | /* atfork child called in fifo order, so before eio's handler */ |
331 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
499 | X_THREAD_ATFORK (0, 0, atfork_child); |
332 | |
|
|
333 | case REQ_QUIT: |
|
|
334 | break; |
|
|
335 | |
|
|
336 | default: |
|
|
337 | req->result = ENOSYS; |
|
|
338 | break; |
|
|
339 | } |
|
|
340 | |
|
|
341 | req->errorno = errno; |
|
|
342 | |
|
|
343 | pthread_mutex_lock (&reslock); |
|
|
344 | |
|
|
345 | req->next = 0; |
|
|
346 | |
|
|
347 | if (rese) |
|
|
348 | { |
|
|
349 | rese->next = req; |
|
|
350 | rese = req; |
|
|
351 | } |
|
|
352 | else |
|
|
353 | { |
|
|
354 | rese = ress = req; |
|
|
355 | |
|
|
356 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
357 | write (respipe [1], &respipe, 1); |
|
|
358 | } |
|
|
359 | |
|
|
360 | pthread_mutex_unlock (&reslock); |
|
|
361 | } |
|
|
362 | while (type != REQ_QUIT); |
|
|
363 | |
|
|
364 | return 0; |
|
|
365 | } |
500 | } |
366 | |
501 | |
367 | MODULE = IO::AIO PACKAGE = IO::AIO |
|
|
368 | |
|
|
369 | BOOT: |
|
|
370 | { |
|
|
371 | if (pipe (respipe)) |
|
|
372 | croak ("unable to initialize result pipe"); |
|
|
373 | |
|
|
374 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
375 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
376 | |
|
|
377 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
378 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
379 | } |
|
|
380 | |
|
|
381 | void |
502 | void |
382 | min_parallel(nthreads) |
503 | max_poll_reqs (int nreqs) |
383 | int nthreads |
|
|
384 | PROTOTYPE: $ |
504 | PROTOTYPE: $ |
385 | CODE: |
505 | CODE: |
386 | while (nthreads > started) |
506 | eio_set_max_poll_reqs (nreqs); |
387 | start_thread (); |
|
|
388 | |
507 | |
389 | void |
508 | void |
390 | max_parallel(nthreads) |
509 | max_poll_time (double nseconds) |
391 | int nthreads |
|
|
392 | PROTOTYPE: $ |
510 | PROTOTYPE: $ |
393 | CODE: |
511 | CODE: |
|
|
512 | eio_set_max_poll_time (nseconds); |
|
|
513 | |
|
|
514 | void |
|
|
515 | min_parallel (int nthreads) |
|
|
516 | PROTOTYPE: $ |
|
|
517 | CODE: |
|
|
518 | eio_set_min_parallel (nthreads); |
|
|
519 | |
|
|
520 | void |
|
|
521 | max_parallel (int nthreads) |
|
|
522 | PROTOTYPE: $ |
|
|
523 | CODE: |
|
|
524 | eio_set_max_parallel (nthreads); |
|
|
525 | |
|
|
526 | void |
|
|
527 | max_idle (int nthreads) |
|
|
528 | PROTOTYPE: $ |
|
|
529 | CODE: |
|
|
530 | eio_set_max_idle (nthreads); |
|
|
531 | |
|
|
532 | void |
|
|
533 | max_outstanding (int maxreqs) |
|
|
534 | PROTOTYPE: $ |
|
|
535 | CODE: |
|
|
536 | max_outstanding = maxreqs; |
|
|
537 | |
|
|
538 | void |
|
|
539 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
540 | PROTOTYPE: $$$;$ |
|
|
541 | PPCODE: |
394 | { |
542 | { |
395 | int cur = started; |
543 | dREQ; |
396 | while (cur > nthreads) |
544 | |
397 | { |
545 | req->type = EIO_OPEN; |
398 | end_thread (); |
546 | req->sv1 = newSVsv (pathname); |
|
|
547 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
548 | req->int1 = flags; |
|
|
549 | req->int2 = mode; |
|
|
550 | |
|
|
551 | REQ_SEND; |
|
|
552 | } |
|
|
553 | |
|
|
554 | void |
|
|
555 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
|
|
556 | PROTOTYPE: $;$ |
|
|
557 | ALIAS: |
|
|
558 | aio_fsync = EIO_FSYNC |
|
|
559 | aio_fdatasync = EIO_FDATASYNC |
|
|
560 | PPCODE: |
|
|
561 | { |
|
|
562 | dREQ; |
|
|
563 | |
|
|
564 | req->type = ix; |
|
|
565 | req->sv1 = newSVsv (fh); |
|
|
566 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
567 | |
|
|
568 | REQ_SEND (req); |
|
|
569 | } |
|
|
570 | |
|
|
571 | void |
|
|
572 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
573 | PROTOTYPE: $;$ |
|
|
574 | PPCODE: |
|
|
575 | { |
|
|
576 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
577 | dREQ; |
|
|
578 | |
|
|
579 | if (close_pipe < 0) |
|
|
580 | { |
|
|
581 | int pipefd [2]; |
|
|
582 | |
|
|
583 | if (pipe (pipefd) < 0 |
|
|
584 | || close (pipefd [1]) < 0 |
|
|
585 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
586 | abort (); /*D*/ |
|
|
587 | |
|
|
588 | close_pipe = pipefd [0]; |
|
|
589 | } |
|
|
590 | |
|
|
591 | req->type = EIO_DUP2; |
|
|
592 | req->int1 = close_pipe; |
|
|
593 | req->sv2 = newSVsv (fh); |
|
|
594 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
595 | |
|
|
596 | REQ_SEND (req); |
|
|
597 | } |
|
|
598 | |
|
|
599 | void |
|
|
600 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
|
|
601 | ALIAS: |
|
|
602 | aio_read = EIO_READ |
|
|
603 | aio_write = EIO_WRITE |
|
|
604 | PROTOTYPE: $$$$$;$ |
|
|
605 | PPCODE: |
|
|
606 | { |
|
|
607 | STRLEN svlen; |
|
|
608 | char *svptr = SvPVbyte (data, svlen); |
|
|
609 | UV len = SvUV (length); |
|
|
610 | |
|
|
611 | SvUPGRADE (data, SVt_PV); |
|
|
612 | SvPOK_on (data); |
|
|
613 | |
|
|
614 | if (dataoffset < 0) |
|
|
615 | dataoffset += svlen; |
|
|
616 | |
|
|
617 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
618 | croak ("dataoffset outside of data scalar"); |
|
|
619 | |
|
|
620 | if (ix == EIO_WRITE) |
|
|
621 | { |
|
|
622 | /* write: check length and adjust. */ |
|
|
623 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
624 | len = svlen - dataoffset; |
|
|
625 | } |
|
|
626 | else |
|
|
627 | { |
|
|
628 | /* read: grow scalar as necessary */ |
|
|
629 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
630 | } |
|
|
631 | |
|
|
632 | if (len < 0) |
|
|
633 | croak ("length must not be negative"); |
|
|
634 | |
|
|
635 | { |
|
|
636 | dREQ; |
|
|
637 | |
|
|
638 | req->type = ix; |
|
|
639 | req->sv1 = newSVsv (fh); |
|
|
640 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
|
|
641 | : IoOFP (sv_2io (fh))); |
|
|
642 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
643 | req->size = len; |
|
|
644 | req->sv2 = SvREFCNT_inc (data); |
|
|
645 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
646 | req->stroffset = dataoffset; |
|
|
647 | |
|
|
648 | if (!SvREADONLY (data)) |
399 | cur--; |
649 | { |
|
|
650 | SvREADONLY_on (data); |
|
|
651 | req->flags |= FLAG_SV2_RO_OFF; |
400 | } |
652 | } |
401 | |
653 | |
402 | while (started > nthreads) |
654 | REQ_SEND; |
|
|
655 | } |
|
|
656 | } |
|
|
657 | |
|
|
658 | void |
|
|
659 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
660 | PROTOTYPE: $$;$ |
|
|
661 | PPCODE: |
|
|
662 | { |
|
|
663 | SV *data; |
|
|
664 | dREQ; |
|
|
665 | |
|
|
666 | req->type = EIO_READLINK; |
|
|
667 | req->sv1 = newSVsv (path); |
|
|
668 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
669 | |
|
|
670 | REQ_SEND; |
|
|
671 | } |
|
|
672 | |
|
|
673 | void |
|
|
674 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
|
|
675 | PROTOTYPE: $$$$;$ |
|
|
676 | PPCODE: |
|
|
677 | { |
|
|
678 | dREQ; |
|
|
679 | |
|
|
680 | req->type = EIO_SENDFILE; |
|
|
681 | req->sv1 = newSVsv (out_fh); |
|
|
682 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
683 | req->sv2 = newSVsv (in_fh); |
|
|
684 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
685 | req->offs = SvVAL64 (in_offset); |
|
|
686 | req->size = length; |
|
|
687 | |
|
|
688 | REQ_SEND; |
|
|
689 | } |
|
|
690 | |
|
|
691 | void |
|
|
692 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
|
|
693 | PROTOTYPE: $$$;$ |
|
|
694 | PPCODE: |
|
|
695 | { |
|
|
696 | dREQ; |
|
|
697 | |
|
|
698 | req->type = EIO_READAHEAD; |
|
|
699 | req->sv1 = newSVsv (fh); |
|
|
700 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
701 | req->offs = SvVAL64 (offset); |
|
|
702 | req->size = length; |
|
|
703 | |
|
|
704 | REQ_SEND; |
|
|
705 | } |
|
|
706 | |
|
|
707 | void |
|
|
708 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
709 | ALIAS: |
|
|
710 | aio_stat = EIO_STAT |
|
|
711 | aio_lstat = EIO_LSTAT |
|
|
712 | PPCODE: |
|
|
713 | { |
|
|
714 | dREQ; |
|
|
715 | |
|
|
716 | req->sv1 = newSVsv (fh_or_path); |
|
|
717 | |
|
|
718 | if (SvPOK (req->sv1)) |
|
|
719 | { |
|
|
720 | req->type = ix; |
|
|
721 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
722 | } |
|
|
723 | else |
|
|
724 | { |
|
|
725 | req->type = EIO_FSTAT; |
|
|
726 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
727 | } |
|
|
728 | |
|
|
729 | REQ_SEND; |
|
|
730 | } |
|
|
731 | |
|
|
732 | void |
|
|
733 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
734 | PPCODE: |
|
|
735 | { |
|
|
736 | dREQ; |
|
|
737 | |
|
|
738 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
739 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
740 | req->sv1 = newSVsv (fh_or_path); |
|
|
741 | |
|
|
742 | if (SvPOK (req->sv1)) |
|
|
743 | { |
|
|
744 | req->type = EIO_UTIME; |
|
|
745 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
746 | } |
|
|
747 | else |
|
|
748 | { |
|
|
749 | req->type = EIO_FUTIME; |
|
|
750 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
751 | } |
|
|
752 | |
|
|
753 | REQ_SEND; |
|
|
754 | } |
|
|
755 | |
|
|
756 | void |
|
|
757 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
758 | PPCODE: |
|
|
759 | { |
|
|
760 | dREQ; |
|
|
761 | |
|
|
762 | req->sv1 = newSVsv (fh_or_path); |
|
|
763 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
764 | |
|
|
765 | if (SvPOK (req->sv1)) |
|
|
766 | { |
|
|
767 | req->type = EIO_TRUNCATE; |
|
|
768 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
769 | } |
|
|
770 | else |
|
|
771 | { |
|
|
772 | req->type = EIO_FTRUNCATE; |
|
|
773 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
774 | } |
|
|
775 | |
|
|
776 | REQ_SEND; |
|
|
777 | } |
|
|
778 | |
|
|
779 | void |
|
|
780 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
781 | ALIAS: |
|
|
782 | aio_chmod = EIO_CHMOD |
|
|
783 | aio_mkdir = EIO_MKDIR |
|
|
784 | PPCODE: |
|
|
785 | { |
|
|
786 | dREQ; |
|
|
787 | |
|
|
788 | req->int2 = mode; |
|
|
789 | req->sv1 = newSVsv (fh_or_path); |
|
|
790 | |
|
|
791 | if (SvPOK (req->sv1)) |
|
|
792 | { |
|
|
793 | req->type = ix; |
|
|
794 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
795 | } |
|
|
796 | else |
|
|
797 | { |
|
|
798 | req->type = EIO_FCHMOD; |
|
|
799 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
800 | } |
|
|
801 | |
|
|
802 | REQ_SEND; |
|
|
803 | } |
|
|
804 | |
|
|
805 | void |
|
|
806 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
807 | PPCODE: |
|
|
808 | { |
|
|
809 | dREQ; |
|
|
810 | |
|
|
811 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
812 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
813 | req->sv1 = newSVsv (fh_or_path); |
|
|
814 | |
|
|
815 | if (SvPOK (req->sv1)) |
|
|
816 | { |
|
|
817 | req->type = EIO_CHOWN; |
|
|
818 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
819 | } |
|
|
820 | else |
|
|
821 | { |
|
|
822 | req->type = EIO_FCHOWN; |
|
|
823 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
824 | } |
|
|
825 | |
|
|
826 | REQ_SEND; |
|
|
827 | } |
|
|
828 | |
|
|
829 | void |
|
|
830 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
831 | ALIAS: |
|
|
832 | aio_unlink = EIO_UNLINK |
|
|
833 | aio_rmdir = EIO_RMDIR |
|
|
834 | aio_readdir = EIO_READDIR |
|
|
835 | PPCODE: |
|
|
836 | { |
|
|
837 | dREQ; |
|
|
838 | |
|
|
839 | req->type = ix; |
|
|
840 | req->sv1 = newSVsv (pathname); |
|
|
841 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
842 | |
|
|
843 | REQ_SEND; |
|
|
844 | } |
|
|
845 | |
|
|
846 | void |
|
|
847 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
848 | ALIAS: |
|
|
849 | aio_link = EIO_LINK |
|
|
850 | aio_symlink = EIO_SYMLINK |
|
|
851 | aio_rename = EIO_RENAME |
|
|
852 | PPCODE: |
|
|
853 | { |
|
|
854 | dREQ; |
|
|
855 | |
|
|
856 | req->type = ix; |
|
|
857 | req->sv1 = newSVsv (oldpath); |
|
|
858 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
859 | req->sv2 = newSVsv (newpath); |
|
|
860 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
861 | |
|
|
862 | REQ_SEND; |
|
|
863 | } |
|
|
864 | |
|
|
865 | void |
|
|
866 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
867 | PPCODE: |
|
|
868 | { |
|
|
869 | dREQ; |
|
|
870 | |
|
|
871 | req->type = EIO_MKNOD; |
|
|
872 | req->sv1 = newSVsv (pathname); |
|
|
873 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
874 | req->int2 = (mode_t)mode; |
|
|
875 | req->offs = dev; |
|
|
876 | |
|
|
877 | REQ_SEND; |
|
|
878 | } |
|
|
879 | |
|
|
880 | void |
|
|
881 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
882 | PPCODE: |
|
|
883 | { |
|
|
884 | dREQ; |
|
|
885 | |
|
|
886 | req->type = EIO_BUSY; |
|
|
887 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
888 | |
|
|
889 | REQ_SEND; |
|
|
890 | } |
|
|
891 | |
|
|
892 | void |
|
|
893 | aio_group (SV *callback=&PL_sv_undef) |
|
|
894 | PROTOTYPE: ;$ |
|
|
895 | PPCODE: |
|
|
896 | { |
|
|
897 | dREQ; |
|
|
898 | |
|
|
899 | req->type = EIO_GROUP; |
|
|
900 | |
|
|
901 | eio_submit (req); |
|
|
902 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
903 | } |
|
|
904 | |
|
|
905 | void |
|
|
906 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
907 | ALIAS: |
|
|
908 | aio_nop = EIO_NOP |
|
|
909 | aio_sync = EIO_SYNC |
|
|
910 | PPCODE: |
|
|
911 | { |
|
|
912 | dREQ; |
|
|
913 | |
|
|
914 | req->type = ix; |
|
|
915 | |
|
|
916 | REQ_SEND; |
|
|
917 | } |
|
|
918 | |
|
|
919 | int |
|
|
920 | aioreq_pri (int pri = 0) |
|
|
921 | PROTOTYPE: ;$ |
|
|
922 | CODE: |
|
|
923 | RETVAL = next_pri; |
|
|
924 | if (items > 0) |
|
|
925 | { |
|
|
926 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
927 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
928 | next_pri = pri; |
|
|
929 | } |
|
|
930 | OUTPUT: |
|
|
931 | RETVAL |
|
|
932 | |
|
|
933 | void |
|
|
934 | aioreq_nice (int nice = 0) |
|
|
935 | CODE: |
|
|
936 | nice = next_pri - nice; |
|
|
937 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
938 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
939 | next_pri = nice; |
|
|
940 | |
|
|
941 | void |
|
|
942 | flush () |
|
|
943 | PROTOTYPE: |
|
|
944 | CODE: |
|
|
945 | while (eio_nreqs ()) |
403 | { |
946 | { |
404 | poll_wait (); |
947 | poll_wait (); |
405 | poll_cb (aTHX); |
948 | poll_cb (); |
406 | } |
949 | } |
407 | } |
|
|
408 | |
950 | |
409 | int |
951 | int |
410 | max_outstanding(nreqs) |
952 | poll() |
411 | int nreqs |
|
|
412 | PROTOTYPE: $ |
|
|
413 | CODE: |
|
|
414 | RETVAL = max_outstanding; |
|
|
415 | max_outstanding = nreqs; |
|
|
416 | |
|
|
417 | void |
|
|
418 | aio_open(pathname,flags,mode,callback) |
|
|
419 | SV * pathname |
|
|
420 | int flags |
|
|
421 | int mode |
|
|
422 | SV * callback |
|
|
423 | PROTOTYPE: $$$$ |
|
|
424 | CODE: |
|
|
425 | { |
|
|
426 | aio_req req; |
|
|
427 | |
|
|
428 | Newz (0, req, 1, aio_cb); |
|
|
429 | |
|
|
430 | if (!req) |
|
|
431 | croak ("out of memory during aio_req allocation"); |
|
|
432 | |
|
|
433 | req->type = REQ_OPEN; |
|
|
434 | req->data = newSVsv (pathname); |
|
|
435 | req->dataptr = SvPV_nolen (req->data); |
|
|
436 | req->fd = flags; |
|
|
437 | req->mode = mode; |
|
|
438 | req->callback = SvREFCNT_inc (callback); |
|
|
439 | |
|
|
440 | send_req (req); |
|
|
441 | } |
|
|
442 | |
|
|
443 | void |
|
|
444 | aio_close(fh,callback) |
|
|
445 | InputStream fh |
|
|
446 | SV * callback |
|
|
447 | PROTOTYPE: $$ |
953 | PROTOTYPE: |
448 | ALIAS: |
|
|
449 | aio_close = REQ_CLOSE |
|
|
450 | aio_fsync = REQ_FSYNC |
|
|
451 | aio_fdatasync = REQ_FDATASYNC |
|
|
452 | CODE: |
954 | CODE: |
453 | { |
955 | poll_wait (); |
454 | aio_req req; |
956 | RETVAL = poll_cb (); |
455 | |
957 | OUTPUT: |
456 | Newz (0, req, 1, aio_cb); |
958 | RETVAL |
457 | |
|
|
458 | if (!req) |
|
|
459 | croak ("out of memory during aio_req allocation"); |
|
|
460 | |
|
|
461 | req->type = ix; |
|
|
462 | req->fd = PerlIO_fileno (fh); |
|
|
463 | req->callback = SvREFCNT_inc (callback); |
|
|
464 | |
|
|
465 | send_req (req); |
|
|
466 | } |
|
|
467 | |
|
|
468 | void |
|
|
469 | aio_read(fh,offset,length,data,dataoffset,callback) |
|
|
470 | InputStream fh |
|
|
471 | UV offset |
|
|
472 | IV length |
|
|
473 | SV * data |
|
|
474 | IV dataoffset |
|
|
475 | SV * callback |
|
|
476 | PROTOTYPE: $$$$$$ |
|
|
477 | CODE: |
|
|
478 | read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
|
|
479 | |
|
|
480 | void |
|
|
481 | aio_write(fh,offset,length,data,dataoffset,callback) |
|
|
482 | OutputStream fh |
|
|
483 | UV offset |
|
|
484 | IV length |
|
|
485 | SV * data |
|
|
486 | IV dataoffset |
|
|
487 | SV * callback |
|
|
488 | PROTOTYPE: $$$$$$ |
|
|
489 | CODE: |
|
|
490 | read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
|
|
491 | |
|
|
492 | void |
|
|
493 | aio_readahead(fh,offset,length,callback) |
|
|
494 | InputStream fh |
|
|
495 | UV offset |
|
|
496 | IV length |
|
|
497 | SV * callback |
|
|
498 | PROTOTYPE: $$$$ |
|
|
499 | CODE: |
|
|
500 | { |
|
|
501 | aio_req req; |
|
|
502 | |
|
|
503 | if (length < 0) |
|
|
504 | croak ("length must not be negative"); |
|
|
505 | |
|
|
506 | Newz (0, req, 1, aio_cb); |
|
|
507 | |
|
|
508 | if (!req) |
|
|
509 | croak ("out of memory during aio_req allocation"); |
|
|
510 | |
|
|
511 | req->type = REQ_READAHEAD; |
|
|
512 | req->fd = PerlIO_fileno (fh); |
|
|
513 | req->offset = offset; |
|
|
514 | req->length = length; |
|
|
515 | req->callback = SvREFCNT_inc (callback); |
|
|
516 | |
|
|
517 | send_req (req); |
|
|
518 | } |
|
|
519 | |
|
|
520 | void |
|
|
521 | aio_stat(fh_or_path,callback) |
|
|
522 | SV * fh_or_path |
|
|
523 | SV * callback |
|
|
524 | PROTOTYPE: $$ |
|
|
525 | ALIAS: |
|
|
526 | aio_lstat = 1 |
|
|
527 | CODE: |
|
|
528 | { |
|
|
529 | aio_req req; |
|
|
530 | |
|
|
531 | Newz (0, req, 1, aio_cb); |
|
|
532 | |
|
|
533 | if (!req) |
|
|
534 | croak ("out of memory during aio_req allocation"); |
|
|
535 | |
|
|
536 | New (0, req->statdata, 1, Stat_t); |
|
|
537 | |
|
|
538 | if (!req->statdata) |
|
|
539 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
540 | |
|
|
541 | if (SvPOK (fh_or_path)) |
|
|
542 | { |
|
|
543 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
|
|
544 | req->data = newSVsv (fh_or_path); |
|
|
545 | req->dataptr = SvPV_nolen (req->data); |
|
|
546 | } |
|
|
547 | else |
|
|
548 | { |
|
|
549 | req->type = REQ_FSTAT; |
|
|
550 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
551 | } |
|
|
552 | |
|
|
553 | req->callback = SvREFCNT_inc (callback); |
|
|
554 | |
|
|
555 | send_req (req); |
|
|
556 | } |
|
|
557 | |
|
|
558 | void |
|
|
559 | aio_unlink(pathname,callback) |
|
|
560 | SV * pathname |
|
|
561 | SV * callback |
|
|
562 | PROTOTYPE: $$ |
|
|
563 | CODE: |
|
|
564 | { |
|
|
565 | aio_req req; |
|
|
566 | |
|
|
567 | Newz (0, req, 1, aio_cb); |
|
|
568 | |
|
|
569 | if (!req) |
|
|
570 | croak ("out of memory during aio_req allocation"); |
|
|
571 | |
|
|
572 | req->type = REQ_UNLINK; |
|
|
573 | req->data = newSVsv (pathname); |
|
|
574 | req->dataptr = SvPV_nolen (req->data); |
|
|
575 | req->callback = SvREFCNT_inc (callback); |
|
|
576 | |
|
|
577 | send_req (req); |
|
|
578 | } |
|
|
579 | |
959 | |
580 | int |
960 | int |
581 | poll_fileno() |
961 | poll_fileno() |
582 | PROTOTYPE: |
962 | PROTOTYPE: |
583 | CODE: |
963 | CODE: |
… | |
… | |
587 | |
967 | |
588 | int |
968 | int |
589 | poll_cb(...) |
969 | poll_cb(...) |
590 | PROTOTYPE: |
970 | PROTOTYPE: |
591 | CODE: |
971 | CODE: |
592 | RETVAL = poll_cb (aTHX); |
972 | RETVAL = poll_cb (); |
593 | OUTPUT: |
973 | OUTPUT: |
594 | RETVAL |
974 | RETVAL |
595 | |
975 | |
596 | void |
976 | void |
597 | poll_wait() |
977 | poll_wait() |
598 | PROTOTYPE: |
978 | PROTOTYPE: |
599 | CODE: |
979 | CODE: |
600 | if (nreqs) |
|
|
601 | poll_wait (); |
980 | poll_wait (); |
602 | |
981 | |
603 | int |
982 | int |
604 | nreqs() |
983 | nreqs() |
605 | PROTOTYPE: |
984 | PROTOTYPE: |
606 | CODE: |
985 | CODE: |
607 | RETVAL = nreqs; |
986 | RETVAL = eio_nreqs (); |
608 | OUTPUT: |
987 | OUTPUT: |
609 | RETVAL |
988 | RETVAL |
610 | |
989 | |
|
|
990 | int |
|
|
991 | nready() |
|
|
992 | PROTOTYPE: |
|
|
993 | CODE: |
|
|
994 | RETVAL = eio_nready (); |
|
|
995 | OUTPUT: |
|
|
996 | RETVAL |
|
|
997 | |
|
|
998 | int |
|
|
999 | npending() |
|
|
1000 | PROTOTYPE: |
|
|
1001 | CODE: |
|
|
1002 | RETVAL = eio_npending (); |
|
|
1003 | OUTPUT: |
|
|
1004 | RETVAL |
|
|
1005 | |
|
|
1006 | int |
|
|
1007 | nthreads() |
|
|
1008 | PROTOTYPE: |
|
|
1009 | CODE: |
|
|
1010 | RETVAL = eio_nthreads (); |
|
|
1011 | OUTPUT: |
|
|
1012 | RETVAL |
|
|
1013 | |
|
|
1014 | void _on_next_submit (SV *cb) |
|
|
1015 | CODE: |
|
|
1016 | SvREFCNT_dec (on_next_submit); |
|
|
1017 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1018 | |
|
|
1019 | PROTOTYPES: DISABLE |
|
|
1020 | |
|
|
1021 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1022 | |
|
|
1023 | void |
|
|
1024 | cancel (aio_req_ornot req) |
|
|
1025 | CODE: |
|
|
1026 | eio_cancel (req); |
|
|
1027 | |
|
|
1028 | void |
|
|
1029 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1030 | CODE: |
|
|
1031 | SvREFCNT_dec (req->callback); |
|
|
1032 | req->callback = newSVsv (callback); |
|
|
1033 | |
|
|
1034 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1035 | |
|
|
1036 | void |
|
|
1037 | add (aio_req grp, ...) |
|
|
1038 | PPCODE: |
|
|
1039 | { |
|
|
1040 | int i; |
|
|
1041 | |
|
|
1042 | if (grp->int1 == 2) |
|
|
1043 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1044 | |
|
|
1045 | for (i = 1; i < items; ++i ) |
|
|
1046 | { |
|
|
1047 | aio_req req; |
|
|
1048 | |
|
|
1049 | if (GIMME_V != G_VOID) |
|
|
1050 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1051 | |
|
|
1052 | req = SvAIO_REQ (ST (i)); |
|
|
1053 | |
|
|
1054 | if (req) |
|
|
1055 | eio_grp_add (grp, req); |
|
|
1056 | } |
|
|
1057 | } |
|
|
1058 | |
|
|
1059 | void |
|
|
1060 | cancel_subs (aio_req_ornot req) |
|
|
1061 | CODE: |
|
|
1062 | req_cancel_subs (req); |
|
|
1063 | |
|
|
1064 | void |
|
|
1065 | result (aio_req grp, ...) |
|
|
1066 | CODE: |
|
|
1067 | { |
|
|
1068 | int i; |
|
|
1069 | AV *av; |
|
|
1070 | |
|
|
1071 | grp->errorno = errno; |
|
|
1072 | |
|
|
1073 | av = newAV (); |
|
|
1074 | |
|
|
1075 | for (i = 1; i < items; ++i ) |
|
|
1076 | av_push (av, newSVsv (ST (i))); |
|
|
1077 | |
|
|
1078 | SvREFCNT_dec (grp->sv1); |
|
|
1079 | grp->sv1 = (SV *)av; |
|
|
1080 | } |
|
|
1081 | |
|
|
1082 | void |
|
|
1083 | errno (aio_req grp, int errorno = errno) |
|
|
1084 | CODE: |
|
|
1085 | grp->errorno = errorno; |
|
|
1086 | |
|
|
1087 | void |
|
|
1088 | limit (aio_req grp, int limit) |
|
|
1089 | CODE: |
|
|
1090 | eio_grp_limit (grp, limit); |
|
|
1091 | |
|
|
1092 | void |
|
|
1093 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1094 | CODE: |
|
|
1095 | { |
|
|
1096 | SvREFCNT_dec (grp->sv2); |
|
|
1097 | grp->sv2 = newSVsv (callback); |
|
|
1098 | |
|
|
1099 | if (grp->int2 <= 0) |
|
|
1100 | grp->int2 = 2; |
|
|
1101 | |
|
|
1102 | eio_grp_limit (grp, grp->int2); |
|
|
1103 | } |
|
|
1104 | |