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1 | #include "libeio/xthread.h" |
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2 | |
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3 | #include <errno.h> |
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4 | |
1 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
2 | #include "perl.h" |
6 | #include "perl.h" |
3 | #include "XSUB.h" |
7 | #include "XSUB.h" |
4 | |
8 | |
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9 | #include "schmorp.h" |
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10 | |
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11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
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13 | #include <errno.h> |
5 | #include <sys/types.h> |
14 | #include <sys/types.h> |
6 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
7 | #include <unistd.h> |
16 | #include <limits.h> |
8 | #include <fcntl.h> |
17 | #include <fcntl.h> |
9 | #include <signal.h> |
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10 | #include <sched.h> |
18 | #include <sched.h> |
11 | #include <endian.h> |
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12 | |
19 | |
13 | #include <pthread.h> |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
14 | #include <sys/syscall.h> |
21 | # include <sys/mman.h> |
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22 | #endif |
15 | |
23 | |
16 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
24 | #if __linux__ |
17 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
25 | # include <linux/fs.h> |
18 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
26 | # ifdef FS_IOC_FIEMAP |
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27 | # include <linux/types.h> |
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28 | # include <linux/fiemap.h> |
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29 | # define HAVE_FIEMAP 1 |
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30 | # endif |
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31 | #endif |
19 | |
32 | |
20 | #if __ia64 |
33 | /* perl namespace pollution */ |
21 | # define STACKSIZE 65536 |
34 | #undef VERSION |
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35 | |
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36 | /* perl stupidly overrides readdir and maybe others */ |
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37 | /* with thread-unsafe versions, imagine that :( */ |
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38 | #undef readdir |
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39 | #undef opendir |
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40 | #undef closedir |
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41 | |
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42 | #ifdef _WIN32 |
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43 | |
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44 | // perl overrides all those nice libc functions |
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45 | |
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46 | #undef malloc |
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47 | #undef free |
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48 | #undef open |
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49 | #undef read |
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50 | #undef write |
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51 | #undef send |
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52 | #undef recv |
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53 | #undef stat |
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54 | #undef lstat |
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55 | #undef fstat |
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56 | #undef truncate |
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57 | #undef ftruncate |
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58 | #undef open |
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59 | #undef link |
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60 | #undef close |
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61 | #undef unlink |
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62 | #undef mkdir |
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63 | #undef rmdir |
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64 | #undef rename |
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65 | #undef lseek |
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66 | #undef opendir |
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67 | #undef readdir |
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68 | #undef closedir |
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69 | #undef chmod |
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70 | #undef fchmod |
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71 | #undef dup |
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72 | #undef dup2 |
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73 | #undef abort |
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74 | #undef pipe |
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75 | |
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76 | #define EIO_STRUCT_STAT struct _stati64 |
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77 | #define EIO_STRUCT_STATI64 |
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78 | |
22 | #else |
79 | #else |
23 | # define STACKSIZE 4096 |
80 | |
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81 | #include <sys/time.h> |
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82 | #include <sys/select.h> |
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83 | #include <unistd.h> |
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84 | #include <utime.h> |
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85 | #include <signal.h> |
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86 | |
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87 | #define EIO_STRUCT_STAT Stat_t |
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88 | |
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89 | #endif |
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90 | |
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91 | /*****************************************************************************/ |
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92 | |
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93 | #if __GNUC__ >= 3 |
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94 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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95 | #else |
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96 | # define expect(expr,value) (expr) |
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97 | #endif |
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98 | |
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99 | #define expect_false(expr) expect ((expr) != 0, 0) |
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100 | #define expect_true(expr) expect ((expr) != 0, 1) |
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101 | |
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102 | /*****************************************************************************/ |
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103 | |
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104 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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105 | typedef int aio_rfd; /* read file desriptor */ |
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106 | typedef int aio_wfd; /* write file descriptor */ |
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107 | |
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108 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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109 | |
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110 | #define EIO_REQ_MEMBERS \ |
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111 | SV *callback; \ |
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112 | SV *sv1, *sv2; \ |
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113 | SV *sv3, *sv4; \ |
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114 | STRLEN stroffset; \ |
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115 | SV *self; |
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116 | |
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117 | #define EIO_NO_WRAPPERS 1 |
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118 | |
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119 | #include "libeio/config.h" |
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120 | #include "libeio/eio.h" |
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121 | |
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122 | static int req_invoke (eio_req *req); |
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123 | #define EIO_FINISH(req) req_invoke (req) |
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124 | static void req_destroy (eio_req *grp); |
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125 | #define EIO_DESTROY(req) req_destroy (req) |
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126 | |
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127 | #include "libeio/eio.c" |
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128 | |
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129 | #if !HAVE_POSIX_FADVISE |
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130 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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131 | #endif |
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132 | |
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133 | #if !HAVE_POSIX_MADVISE |
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134 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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135 | #endif |
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136 | |
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137 | #ifndef MAP_ANONYMOUS |
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138 | # ifdef MAP_ANON |
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139 | # define MAP_ANONYMOUS MAP_ANON |
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140 | # else |
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141 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
24 | #endif |
142 | # endif |
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143 | #endif |
25 | |
144 | |
26 | enum { |
145 | /* defines all sorts of constants to 0 unless they are already defined */ |
27 | REQ_QUIT, |
146 | #include "def0.h" |
28 | REQ_OPEN, REQ_CLOSE, |
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29 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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30 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
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31 | REQ_FSYNC, REQ_FDATASYNC, |
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32 | }; |
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33 | |
147 | |
34 | typedef struct aio_cb { |
148 | #ifndef makedev |
35 | struct aio_cb *volatile next; |
149 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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150 | #endif |
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151 | #ifndef major |
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152 | # define major(dev) ((dev) >> 8) |
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153 | #endif |
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154 | #ifndef minor |
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155 | # define minor(dev) ((dev) & 0xff) |
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156 | #endif |
36 | |
157 | |
37 | int type; |
158 | #ifndef PAGESIZE |
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159 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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160 | #endif |
38 | |
161 | |
39 | int fd; |
162 | /*****************************************************************************/ |
40 | off_t offset; |
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41 | size_t length; |
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42 | ssize_t result; |
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43 | mode_t mode; /* open */ |
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44 | int errorno; |
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45 | SV *data, *callback; |
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46 | void *dataptr; |
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47 | STRLEN dataoffset; |
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48 | |
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49 | Stat_t *statdata; |
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50 | } aio_cb; |
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51 | |
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52 | typedef aio_cb *aio_req; |
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53 | |
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54 | static int started; |
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55 | static int nreqs; |
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56 | static int max_outstanding = 1<<30; |
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57 | static int respipe [2]; |
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58 | |
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59 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
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60 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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61 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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62 | |
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63 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
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64 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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65 | |
163 | |
66 | static void |
164 | static void |
67 | poll_wait () |
165 | fiemap (eio_req *req) |
68 | { |
166 | { |
69 | if (!nreqs) |
167 | req->result = -1; |
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168 | |
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169 | #if HAVE_FIEMAP |
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170 | /* assume some c99 */ |
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171 | struct fiemap *fiemap = 0; |
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172 | size_t end_offset; |
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173 | int count = req->int3; |
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174 | |
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175 | req->flags |= EIO_FLAG_PTR1_FREE; |
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176 | |
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177 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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178 | /* increase in 3.5kb steps */ |
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179 | if (count < 0) |
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180 | count = 8; |
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181 | |
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182 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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183 | errno = ENOMEM; |
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184 | if (!fiemap) |
70 | return; |
185 | return; |
71 | |
186 | |
72 | fd_set rfd; |
187 | req->ptr1 = fiemap; |
73 | FD_ZERO(&rfd); |
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74 | FD_SET(respipe [0], &rfd); |
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75 | |
188 | |
76 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
189 | fiemap->fm_start = req->offs; |
77 | } |
190 | fiemap->fm_length = req->size; |
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191 | fiemap->fm_flags = req->int2; |
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192 | fiemap->fm_extent_count = count; |
78 | |
193 | |
79 | static int |
194 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
80 | poll_cb () |
195 | return; |
81 | { |
196 | |
82 | dSP; |
197 | if (req->int3 >= 0 /* not autosizing */ |
83 | int count = 0; |
198 | || !fiemap->fm_mapped_extents /* no more extents */ |
84 | aio_req req; |
199 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
85 | |
200 | goto done; |
86 | { |
201 | |
87 | /* read and signals sent by the worker threads */ |
202 | /* else we have to loop - |
88 | char buf [32]; |
203 | * it would be tempting (atcually I tried that first) to just query the |
89 | while (read (respipe [0], buf, 32) > 0) |
204 | * number of extents needed, but linux often feels like not returning all |
90 | ; |
205 | * extents, without telling us it left any out. this complicates |
91 | } |
206 | * this quite a bit. |
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207 | */ |
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208 | |
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209 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
92 | |
210 | |
93 | for (;;) |
211 | for (;;) |
94 | { |
212 | { |
95 | pthread_mutex_lock (&reslock); |
213 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
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214 | char scratch[3072]; |
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215 | struct fiemap *incmap = (struct fiemap *)scratch; |
96 | |
216 | |
97 | req = ress; |
217 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
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218 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
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219 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
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220 | incmap->fm_flags = fiemap->fm_flags; |
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221 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
98 | |
222 | |
99 | if (ress) |
223 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap)) |
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224 | return; |
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225 | |
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226 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
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227 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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228 | errno = ENOMEM; |
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229 | if (!fiemap) |
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230 | return; |
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231 | |
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232 | req->ptr1 = fiemap; |
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233 | |
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234 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
100 | { |
235 | { |
101 | ress = ress->next; |
236 | struct fiemap_extent *e = incmap->fm_extents + count; |
102 | if (!ress) rese = 0; |
237 | |
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238 | if (e->fe_logical + e->fe_length >= end_offset) |
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239 | goto done; |
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240 | |
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241 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
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242 | |
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243 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
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244 | goto done; |
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245 | |
103 | } |
246 | } |
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247 | } |
104 | |
248 | |
105 | pthread_mutex_unlock (&reslock); |
249 | done: |
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250 | req->result = 0; |
106 | |
251 | |
107 | if (!req) |
252 | #else |
108 | break; |
253 | errno = ENOSYS; |
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254 | #endif |
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255 | } |
109 | |
256 | |
110 | nreqs--; |
257 | /*****************************************************************************/ |
111 | |
258 | |
112 | if (req->type == REQ_QUIT) |
259 | enum { |
113 | started--; |
260 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
114 | else |
261 | }; |
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262 | |
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263 | typedef eio_req *aio_req; |
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264 | typedef eio_req *aio_req_ornot; |
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265 | typedef eio_wd aio_wd; |
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266 | |
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267 | static SV *on_next_submit; |
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268 | static int next_pri = EIO_PRI_DEFAULT; |
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269 | static int max_outstanding; |
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270 | |
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271 | static s_epipe respipe; |
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272 | |
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273 | static void req_destroy (aio_req req); |
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274 | static void req_cancel (aio_req req); |
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275 | |
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276 | static void |
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277 | want_poll (void) |
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278 | { |
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279 | /* write a dummy byte to the pipe so fh becomes ready */ |
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280 | s_epipe_signal (&respipe); |
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281 | } |
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282 | |
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283 | static void |
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284 | done_poll (void) |
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285 | { |
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286 | /* read any signals sent by the worker threads */ |
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287 | s_epipe_drain (&respipe); |
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288 | } |
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289 | |
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290 | /* must be called at most once */ |
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291 | static SV * |
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292 | req_sv (aio_req req, HV *stash) |
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293 | { |
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294 | if (!req->self) |
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295 | { |
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296 | req->self = (SV *)newHV (); |
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297 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
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298 | } |
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299 | |
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300 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
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301 | } |
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302 | |
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303 | static SV * |
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304 | newSVaio_wd (aio_wd wd) |
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305 | { |
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306 | return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
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307 | } |
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308 | |
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309 | static aio_req |
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310 | SvAIO_REQ (SV *sv) |
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311 | { |
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312 | MAGIC *mg; |
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313 | |
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314 | if (!SvROK (sv) |
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315 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
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316 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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317 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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318 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
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319 | croak ("object of class IO::AIO::REQ expected"); |
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320 | |
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321 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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322 | |
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323 | return mg ? (aio_req)mg->mg_ptr : 0; |
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324 | } |
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325 | |
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326 | static aio_wd |
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327 | SvAIO_WD (SV *sv) |
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328 | { |
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329 | if (!SvROK (sv) |
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330 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
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331 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
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332 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
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333 | |
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334 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
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335 | } |
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336 | |
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337 | static void |
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338 | aio_grp_feed (aio_req grp) |
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339 | { |
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340 | if (grp->sv2 && SvOK (grp->sv2)) |
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341 | { |
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342 | dSP; |
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343 | |
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344 | ENTER; |
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345 | SAVETMPS; |
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346 | PUSHMARK (SP); |
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347 | XPUSHs (req_sv (grp, aio_grp_stash)); |
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348 | PUTBACK; |
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349 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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350 | SPAGAIN; |
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351 | FREETMPS; |
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352 | LEAVE; |
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353 | } |
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354 | } |
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355 | |
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356 | static void |
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357 | req_submit (eio_req *req) |
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358 | { |
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359 | eio_submit (req); |
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360 | |
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361 | if (expect_false (on_next_submit)) |
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362 | { |
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363 | dSP; |
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364 | SV *cb = sv_2mortal (on_next_submit); |
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365 | |
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366 | on_next_submit = 0; |
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367 | |
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368 | PUSHMARK (SP); |
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369 | PUTBACK; |
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370 | call_sv (cb, G_DISCARD | G_EVAL); |
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371 | } |
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372 | } |
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373 | |
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374 | static int |
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375 | req_invoke (eio_req *req) |
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376 | { |
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377 | if (req->flags & FLAG_SV2_RO_OFF) |
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378 | SvREADONLY_off (req->sv2); |
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379 | |
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380 | if (!EIO_CANCELLED (req) && req->callback) |
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381 | { |
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382 | dSP; |
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383 | static SV *sv_result_cache; /* caches the result integer SV */ |
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384 | SV *sv_result; |
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385 | |
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386 | ENTER; |
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387 | SAVETMPS; |
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388 | PUSHMARK (SP); |
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389 | EXTEND (SP, 1); |
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390 | |
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391 | /* do not recreate the result IV from scratch each time */ |
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392 | if (expect_true (sv_result_cache)) |
115 | { |
393 | { |
116 | int errorno = errno; |
394 | sv_result = sv_result_cache; sv_result_cache = 0; |
117 | errno = req->errorno; |
395 | SvIV_set (sv_result, req->result); |
118 | |
396 | SvIOK_only (sv_result); |
119 | if (req->type == REQ_READ) |
|
|
120 | SvCUR_set (req->data, req->dataoffset |
|
|
121 | + req->result > 0 ? req->result : 0); |
|
|
122 | |
|
|
123 | if (req->data) |
|
|
124 | SvREFCNT_dec (req->data); |
|
|
125 | |
|
|
126 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
127 | { |
|
|
128 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
129 | PL_laststatval = req->result; |
|
|
130 | PL_statcache = *(req->statdata); |
|
|
131 | |
|
|
132 | Safefree (req->statdata); |
|
|
133 | } |
|
|
134 | |
|
|
135 | PUSHMARK (SP); |
|
|
136 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
137 | |
|
|
138 | if (req->type == REQ_OPEN) |
|
|
139 | { |
|
|
140 | /* convert fd to fh */ |
|
|
141 | SV *fh; |
|
|
142 | |
|
|
143 | PUTBACK; |
|
|
144 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
145 | SPAGAIN; |
|
|
146 | |
|
|
147 | fh = POPs; |
|
|
148 | |
|
|
149 | PUSHMARK (SP); |
|
|
150 | XPUSHs (fh); |
|
|
151 | } |
|
|
152 | |
|
|
153 | PUTBACK; |
|
|
154 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
155 | SPAGAIN; |
|
|
156 | |
|
|
157 | if (req->callback) |
|
|
158 | SvREFCNT_dec (req->callback); |
|
|
159 | |
|
|
160 | errno = errorno; |
|
|
161 | count++; |
|
|
162 | } |
|
|
163 | |
|
|
164 | Safefree (req); |
|
|
165 | } |
|
|
166 | |
|
|
167 | return count; |
|
|
168 | } |
|
|
169 | |
|
|
170 | static void *aio_proc(void *arg); |
|
|
171 | |
|
|
172 | static void |
|
|
173 | start_thread (void) |
|
|
174 | { |
|
|
175 | sigset_t fullsigset, oldsigset; |
|
|
176 | pthread_t tid; |
|
|
177 | pthread_attr_t attr; |
|
|
178 | |
|
|
179 | pthread_attr_init (&attr); |
|
|
180 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
181 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
182 | |
|
|
183 | sigfillset (&fullsigset); |
|
|
184 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
185 | |
|
|
186 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
187 | started++; |
|
|
188 | |
|
|
189 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
190 | } |
|
|
191 | |
|
|
192 | static void |
|
|
193 | send_req (aio_req req) |
|
|
194 | { |
|
|
195 | nreqs++; |
|
|
196 | |
|
|
197 | pthread_mutex_lock (&reqlock); |
|
|
198 | |
|
|
199 | req->next = 0; |
|
|
200 | |
|
|
201 | if (reqe) |
|
|
202 | { |
|
|
203 | reqe->next = req; |
|
|
204 | reqe = req; |
|
|
205 | } |
|
|
206 | else |
|
|
207 | reqe = reqs = req; |
|
|
208 | |
|
|
209 | pthread_cond_signal (&reqwait); |
|
|
210 | pthread_mutex_unlock (&reqlock); |
|
|
211 | |
|
|
212 | while (nreqs > max_outstanding) |
|
|
213 | { |
|
|
214 | poll_wait (); |
|
|
215 | poll_cb (); |
|
|
216 | } |
|
|
217 | } |
|
|
218 | |
|
|
219 | static void |
|
|
220 | end_thread (void) |
|
|
221 | { |
|
|
222 | aio_req req; |
|
|
223 | New (0, req, 1, aio_cb); |
|
|
224 | req->type = REQ_QUIT; |
|
|
225 | |
|
|
226 | send_req (req); |
|
|
227 | } |
|
|
228 | |
|
|
229 | static void |
|
|
230 | read_write (int dowrite, int fd, off_t offset, size_t length, |
|
|
231 | SV *data, STRLEN dataoffset, SV *callback) |
|
|
232 | { |
|
|
233 | aio_req req; |
|
|
234 | STRLEN svlen; |
|
|
235 | char *svptr = SvPV (data, svlen); |
|
|
236 | |
|
|
237 | SvUPGRADE (data, SVt_PV); |
|
|
238 | SvPOK_on (data); |
|
|
239 | |
|
|
240 | if (dataoffset < 0) |
|
|
241 | dataoffset += svlen; |
|
|
242 | |
|
|
243 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
244 | croak ("data offset outside of string"); |
|
|
245 | |
|
|
246 | if (dowrite) |
|
|
247 | { |
|
|
248 | /* write: check length and adjust. */ |
|
|
249 | if (length < 0 || length + dataoffset > svlen) |
|
|
250 | length = svlen - dataoffset; |
|
|
251 | } |
|
|
252 | else |
|
|
253 | { |
|
|
254 | /* read: grow scalar as necessary */ |
|
|
255 | svptr = SvGROW (data, length + dataoffset); |
|
|
256 | } |
|
|
257 | |
|
|
258 | if (length < 0) |
|
|
259 | croak ("length must not be negative"); |
|
|
260 | |
|
|
261 | Newz (0, req, 1, aio_cb); |
|
|
262 | |
|
|
263 | if (!req) |
|
|
264 | croak ("out of memory during aio_req allocation"); |
|
|
265 | |
|
|
266 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
|
|
267 | req->fd = fd; |
|
|
268 | req->offset = offset; |
|
|
269 | req->length = length; |
|
|
270 | req->data = SvREFCNT_inc (data); |
|
|
271 | req->dataptr = (char *)svptr + dataoffset; |
|
|
272 | req->callback = SvREFCNT_inc (callback); |
|
|
273 | |
|
|
274 | send_req (req); |
|
|
275 | } |
|
|
276 | |
|
|
277 | static void * |
|
|
278 | aio_proc (void *thr_arg) |
|
|
279 | { |
|
|
280 | aio_req req; |
|
|
281 | int type; |
|
|
282 | |
|
|
283 | do |
|
|
284 | { |
|
|
285 | pthread_mutex_lock (&reqlock); |
|
|
286 | |
|
|
287 | for (;;) |
|
|
288 | { |
|
|
289 | req = reqs; |
|
|
290 | |
|
|
291 | if (reqs) |
|
|
292 | { |
|
|
293 | reqs = reqs->next; |
|
|
294 | if (!reqs) reqe = 0; |
|
|
295 | } |
|
|
296 | |
|
|
297 | if (req) |
|
|
298 | break; |
|
|
299 | |
|
|
300 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
301 | } |
|
|
302 | |
|
|
303 | pthread_mutex_unlock (&reqlock); |
|
|
304 | |
|
|
305 | errno = 0; /* strictly unnecessary */ |
|
|
306 | |
|
|
307 | type = req->type; |
|
|
308 | |
|
|
309 | switch (type) |
|
|
310 | { |
|
|
311 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
312 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
313 | #if SYS_readahead |
|
|
314 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
315 | #else |
|
|
316 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
|
|
317 | #endif |
|
|
318 | |
|
|
319 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
320 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
321 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
322 | |
|
|
323 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
324 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
325 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
326 | |
|
|
327 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
328 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
329 | |
|
|
330 | case REQ_QUIT: |
|
|
331 | break; |
|
|
332 | |
|
|
333 | default: |
|
|
334 | req->result = ENOSYS; |
|
|
335 | break; |
|
|
336 | } |
|
|
337 | |
|
|
338 | req->errorno = errno; |
|
|
339 | |
|
|
340 | pthread_mutex_lock (&reslock); |
|
|
341 | |
|
|
342 | req->next = 0; |
|
|
343 | |
|
|
344 | if (rese) |
|
|
345 | { |
|
|
346 | rese->next = req; |
|
|
347 | rese = req; |
|
|
348 | } |
397 | } |
349 | else |
398 | else |
350 | { |
399 | { |
351 | rese = ress = req; |
400 | sv_result = newSViv (req->result); |
352 | |
401 | SvREADONLY_on (sv_result); |
353 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
354 | write (respipe [1], &respipe, 1); |
|
|
355 | } |
402 | } |
356 | |
403 | |
357 | pthread_mutex_unlock (&reslock); |
404 | switch (req->type) |
|
|
405 | { |
|
|
406 | case EIO_WD_OPEN: |
|
|
407 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
408 | break; |
|
|
409 | |
|
|
410 | case EIO_READDIR: |
|
|
411 | { |
|
|
412 | SV *rv = &PL_sv_undef; |
|
|
413 | |
|
|
414 | if (req->result >= 0) |
|
|
415 | { |
|
|
416 | int i; |
|
|
417 | char *names = (char *)req->ptr2; |
|
|
418 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
419 | AV *av = newAV (); |
|
|
420 | |
|
|
421 | av_extend (av, req->result - 1); |
|
|
422 | |
|
|
423 | for (i = 0; i < req->result; ++i) |
|
|
424 | { |
|
|
425 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
426 | { |
|
|
427 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
428 | |
|
|
429 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
430 | { |
|
|
431 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
432 | AV *avent = newAV (); |
|
|
433 | |
|
|
434 | av_extend (avent, 2); |
|
|
435 | |
|
|
436 | if (!sv_type [ent->type]) |
|
|
437 | { |
|
|
438 | sv_type [ent->type] = newSViv (ent->type); |
|
|
439 | SvREADONLY_on (sv_type [ent->type]); |
|
|
440 | } |
|
|
441 | |
|
|
442 | av_store (avent, 0, namesv); |
|
|
443 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
444 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
445 | |
|
|
446 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
447 | } |
|
|
448 | else |
|
|
449 | av_store (av, i, namesv); |
|
|
450 | |
|
|
451 | ++ent; |
|
|
452 | } |
|
|
453 | else |
|
|
454 | { |
|
|
455 | SV *name = newSVpv (names, 0); |
|
|
456 | av_store (av, i, name); |
|
|
457 | names += SvCUR (name) + 1; |
|
|
458 | } |
|
|
459 | } |
|
|
460 | |
|
|
461 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
462 | } |
|
|
463 | |
|
|
464 | PUSHs (rv); |
|
|
465 | |
|
|
466 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
467 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
468 | } |
|
|
469 | break; |
|
|
470 | |
|
|
471 | case EIO_OPEN: |
|
|
472 | { |
|
|
473 | /* convert fd to fh */ |
|
|
474 | SV *fh = &PL_sv_undef; |
|
|
475 | |
|
|
476 | if (req->result >= 0) |
|
|
477 | { |
|
|
478 | GV *gv = (GV *)sv_newmortal (); |
|
|
479 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
480 | char sym [64]; |
|
|
481 | int symlen; |
|
|
482 | |
|
|
483 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
484 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
485 | |
|
|
486 | symlen = snprintf ( |
|
|
487 | sym, |
|
|
488 | sizeof (sym), |
|
|
489 | "%s&=%d", |
|
|
490 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
491 | (int)req->result |
|
|
492 | ); |
|
|
493 | |
|
|
494 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
495 | fh = (SV *)gv; |
|
|
496 | } |
|
|
497 | |
|
|
498 | PUSHs (fh); |
|
|
499 | } |
|
|
500 | break; |
|
|
501 | |
|
|
502 | case EIO_STATVFS: |
|
|
503 | case EIO_FSTATVFS: |
|
|
504 | { |
|
|
505 | SV *rv = &PL_sv_undef; |
|
|
506 | |
|
|
507 | #ifndef _WIN32 |
|
|
508 | if (req->result >= 0) |
|
|
509 | { |
|
|
510 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
511 | HV *hv = newHV (); |
|
|
512 | |
|
|
513 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
514 | |
|
|
515 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
516 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
517 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
518 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
519 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
520 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
521 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
522 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
523 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
524 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
525 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
526 | } |
|
|
527 | #endif |
|
|
528 | |
|
|
529 | PUSHs (rv); |
|
|
530 | } |
|
|
531 | |
|
|
532 | break; |
|
|
533 | |
|
|
534 | case EIO_GROUP: |
|
|
535 | req->int1 = 2; /* mark group as finished */ |
|
|
536 | |
|
|
537 | if (req->sv1) |
|
|
538 | { |
|
|
539 | int i; |
|
|
540 | AV *av = (AV *)req->sv1; |
|
|
541 | |
|
|
542 | EXTEND (SP, AvFILL (av) + 1); |
|
|
543 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
544 | PUSHs (*av_fetch (av, i, 0)); |
|
|
545 | } |
|
|
546 | break; |
|
|
547 | |
|
|
548 | case EIO_NOP: |
|
|
549 | case EIO_BUSY: |
|
|
550 | break; |
|
|
551 | |
|
|
552 | case EIO_READLINK: |
|
|
553 | case EIO_REALPATH: |
|
|
554 | if (req->result > 0) |
|
|
555 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
556 | break; |
|
|
557 | |
|
|
558 | case EIO_STAT: |
|
|
559 | case EIO_LSTAT: |
|
|
560 | case EIO_FSTAT: |
|
|
561 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
562 | |
|
|
563 | if (!(PL_laststatval = req->result)) |
|
|
564 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
565 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
566 | |
|
|
567 | PUSHs (sv_result); |
|
|
568 | break; |
|
|
569 | |
|
|
570 | case EIO_SEEK: |
|
|
571 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
572 | break; |
|
|
573 | |
|
|
574 | case EIO_READ: |
|
|
575 | { |
|
|
576 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
577 | *SvEND (req->sv2) = 0; |
|
|
578 | SvPOK_only (req->sv2); |
|
|
579 | SvSETMAGIC (req->sv2); |
|
|
580 | PUSHs (sv_result); |
|
|
581 | } |
|
|
582 | break; |
|
|
583 | |
|
|
584 | case EIO_CUSTOM: |
|
|
585 | if (req->feed == fiemap) |
|
|
586 | { |
|
|
587 | #if HAVE_FIEMAP |
|
|
588 | if (!req->result) |
|
|
589 | { |
|
|
590 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
591 | |
|
|
592 | if (fiemap->fm_extent_count) |
|
|
593 | { |
|
|
594 | AV *av = newAV (); |
|
|
595 | int i; |
|
|
596 | |
|
|
597 | while (fiemap->fm_mapped_extents) |
|
|
598 | { |
|
|
599 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
600 | AV *ext_av = newAV (); |
|
|
601 | |
|
|
602 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
603 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
604 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
605 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
606 | |
|
|
607 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
608 | } |
|
|
609 | |
|
|
610 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
611 | } |
|
|
612 | else |
|
|
613 | { |
|
|
614 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
615 | PUSHs (sv_result); |
|
|
616 | } |
|
|
617 | } |
|
|
618 | #endif |
|
|
619 | } |
|
|
620 | else |
|
|
621 | PUSHs (sv_result); |
|
|
622 | break; |
|
|
623 | |
|
|
624 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
625 | if (req->result > 0) |
|
|
626 | SvIV_set (sv_result, 0); |
|
|
627 | /* FALLTHROUGH */ |
|
|
628 | |
|
|
629 | default: |
|
|
630 | PUSHs (sv_result); |
|
|
631 | break; |
|
|
632 | } |
|
|
633 | |
|
|
634 | errno = req->errorno; |
|
|
635 | |
|
|
636 | PUTBACK; |
|
|
637 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
638 | SPAGAIN; |
|
|
639 | |
|
|
640 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
641 | SvREFCNT_dec (sv_result); |
|
|
642 | else |
|
|
643 | sv_result_cache = sv_result; |
|
|
644 | |
|
|
645 | FREETMPS; |
|
|
646 | LEAVE; |
|
|
647 | |
|
|
648 | PUTBACK; |
358 | } |
649 | } |
359 | while (type != REQ_QUIT); |
650 | |
|
|
651 | return !!SvTRUE (ERRSV); |
|
|
652 | } |
|
|
653 | |
|
|
654 | static void |
|
|
655 | req_destroy (aio_req req) |
|
|
656 | { |
|
|
657 | if (req->self) |
|
|
658 | { |
|
|
659 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
660 | SvREFCNT_dec (req->self); |
|
|
661 | } |
|
|
662 | |
|
|
663 | SvREFCNT_dec (req->sv1); |
|
|
664 | SvREFCNT_dec (req->sv2); |
|
|
665 | SvREFCNT_dec (req->sv3); |
|
|
666 | SvREFCNT_dec (req->sv4); |
|
|
667 | SvREFCNT_dec (req->callback); |
|
|
668 | |
|
|
669 | free (req); |
|
|
670 | } |
|
|
671 | |
|
|
672 | static void |
|
|
673 | req_cancel_subs (aio_req grp) |
|
|
674 | { |
|
|
675 | if (grp->type != EIO_GROUP) |
|
|
676 | return; |
|
|
677 | |
|
|
678 | SvREFCNT_dec (grp->sv2); |
|
|
679 | grp->sv2 = 0; |
|
|
680 | |
|
|
681 | eio_grp_cancel (grp); |
|
|
682 | } |
|
|
683 | |
|
|
684 | static void ecb_cold |
|
|
685 | create_respipe (void) |
|
|
686 | { |
|
|
687 | if (s_epipe_renew (&respipe)) |
|
|
688 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
689 | } |
|
|
690 | |
|
|
691 | static void |
|
|
692 | poll_wait (void) |
|
|
693 | { |
|
|
694 | while (eio_nreqs ()) |
|
|
695 | { |
|
|
696 | int size; |
|
|
697 | |
|
|
698 | X_LOCK (reslock); |
|
|
699 | size = res_queue.size; |
|
|
700 | X_UNLOCK (reslock); |
|
|
701 | |
|
|
702 | if (size) |
|
|
703 | return; |
|
|
704 | |
|
|
705 | etp_maybe_start_thread (); |
|
|
706 | |
|
|
707 | s_epipe_wait (&respipe); |
|
|
708 | } |
|
|
709 | } |
|
|
710 | |
|
|
711 | static int |
|
|
712 | poll_cb (void) |
|
|
713 | { |
|
|
714 | for (;;) |
|
|
715 | { |
|
|
716 | int res = eio_poll (); |
|
|
717 | |
|
|
718 | if (res > 0) |
|
|
719 | croak (0); |
|
|
720 | |
|
|
721 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
722 | return res; |
|
|
723 | |
|
|
724 | poll_wait (); |
|
|
725 | } |
|
|
726 | } |
|
|
727 | |
|
|
728 | static void ecb_cold |
|
|
729 | reinit (void) |
|
|
730 | { |
|
|
731 | create_respipe (); |
|
|
732 | |
|
|
733 | if (eio_init (want_poll, done_poll) < 0) |
|
|
734 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
735 | } |
|
|
736 | |
|
|
737 | /*****************************************************************************/ |
|
|
738 | |
|
|
739 | #if !_POSIX_MAPPED_FILES |
|
|
740 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
741 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
742 | #endif |
|
|
743 | |
|
|
744 | #if !_POSIX_MEMORY_PROTECTION |
|
|
745 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
746 | # define PROT_NONE 0 |
|
|
747 | # define PROT_WRITE 0 |
|
|
748 | # define MAP_PRIVATE 0 |
|
|
749 | # define MAP_SHARED 0 |
|
|
750 | # define MAP_FIXED 0 |
|
|
751 | #endif |
|
|
752 | |
|
|
753 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
754 | |
|
|
755 | static int ecb_cold |
|
|
756 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
757 | { |
|
|
758 | int old_errno = errno; |
|
|
759 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
760 | errno = old_errno; |
|
|
761 | |
|
|
762 | mg->mg_obj = 0; /* just in case */ |
|
|
763 | |
|
|
764 | SvREADONLY_off (sv); |
|
|
765 | |
|
|
766 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
767 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
768 | |
|
|
769 | SvCUR_set (sv, 0); |
|
|
770 | SvPVX (sv) = 0; |
|
|
771 | SvOK_off (sv); |
360 | |
772 | |
361 | return 0; |
773 | return 0; |
362 | } |
774 | } |
363 | |
775 | |
|
|
776 | static MGVTBL mmap_vtbl = { |
|
|
777 | 0, 0, 0, 0, mmap_free |
|
|
778 | }; |
|
|
779 | |
|
|
780 | /*****************************************************************************/ |
|
|
781 | |
|
|
782 | static SV * |
|
|
783 | get_cb (SV *cb_sv) |
|
|
784 | { |
|
|
785 | SvGETMAGIC (cb_sv); |
|
|
786 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
787 | } |
|
|
788 | |
|
|
789 | static aio_req ecb_noinline |
|
|
790 | dreq (SV *callback) |
|
|
791 | { |
|
|
792 | SV *cb_cv; |
|
|
793 | aio_req req; |
|
|
794 | int req_pri = next_pri; |
|
|
795 | next_pri = EIO_PRI_DEFAULT; |
|
|
796 | |
|
|
797 | cb_cv = get_cb (callback); |
|
|
798 | |
|
|
799 | req = calloc (sizeof (*req), 1); |
|
|
800 | if (!req) |
|
|
801 | croak ("out of memory during eio_req allocation"); |
|
|
802 | |
|
|
803 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
804 | req->pri = req_pri; |
|
|
805 | |
|
|
806 | return req; |
|
|
807 | } |
|
|
808 | |
|
|
809 | #define dREQ \ |
|
|
810 | aio_req req = dreq (callback); \ |
|
|
811 | |
|
|
812 | #define REQ_SEND \ |
|
|
813 | PUTBACK; \ |
|
|
814 | req_submit (req); \ |
|
|
815 | SPAGAIN; \ |
|
|
816 | \ |
|
|
817 | if (GIMME_V != G_VOID) \ |
|
|
818 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
819 | |
|
|
820 | ecb_inline void |
|
|
821 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
822 | { |
|
|
823 | if (expect_false (SvROK (path))) |
|
|
824 | { |
|
|
825 | SV *rv = SvRV (path); |
|
|
826 | SV *wdob; |
|
|
827 | |
|
|
828 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
|
|
829 | { |
|
|
830 | path = AvARRAY (rv)[1]; |
|
|
831 | wdob = AvARRAY (rv)[0]; |
|
|
832 | |
|
|
833 | if (SvOK (wdob)) |
|
|
834 | { |
|
|
835 | *wd = SvAIO_WD (wdob); |
|
|
836 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
837 | } |
|
|
838 | else |
|
|
839 | *wd = EIO_INVALID_WD; |
|
|
840 | } |
|
|
841 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
842 | { |
|
|
843 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
844 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
845 | *ptr = "."; |
|
|
846 | return; /* path set to "." */ |
|
|
847 | } |
|
|
848 | else |
|
|
849 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
850 | } |
|
|
851 | |
|
|
852 | *pathsv = newSVsv (path); |
|
|
853 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
854 | } |
|
|
855 | |
|
|
856 | static void ecb_noinline |
|
|
857 | req_set_path1 (aio_req req, SV *path) |
|
|
858 | { |
|
|
859 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
860 | } |
|
|
861 | |
|
|
862 | static void ecb_noinline |
|
|
863 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
864 | { |
|
|
865 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
866 | |
|
|
867 | switch (SvTYPE (rv)) |
|
|
868 | { |
|
|
869 | case SVt_PVIO: |
|
|
870 | case SVt_PVLV: |
|
|
871 | case SVt_PVGV: |
|
|
872 | req->type = type_fh; |
|
|
873 | req->sv1 = newSVsv (fh_or_path); |
|
|
874 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
875 | break; |
|
|
876 | |
|
|
877 | default: |
|
|
878 | req->type = type_path; |
|
|
879 | req_set_path1 (req, fh_or_path); |
|
|
880 | break; |
|
|
881 | } |
|
|
882 | } |
|
|
883 | |
|
|
884 | XS(boot_IO__AIO) ecb_cold; |
|
|
885 | |
364 | MODULE = IO::AIO PACKAGE = IO::AIO |
886 | MODULE = IO::AIO PACKAGE = IO::AIO |
365 | |
887 | |
|
|
888 | PROTOTYPES: ENABLE |
|
|
889 | |
366 | BOOT: |
890 | BOOT: |
367 | { |
891 | { |
368 | if (pipe (respipe)) |
892 | static const struct { |
369 | croak ("unable to initialize result pipe"); |
893 | const char *name; |
|
|
894 | IV iv; |
|
|
895 | } *civ, const_iv[] = { |
|
|
896 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
897 | # define const_iv(name) { # name, (IV) name }, |
|
|
898 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
370 | |
899 | |
371 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
900 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
372 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
373 | |
901 | |
374 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
902 | const_iv (ENOSYS) |
375 | croak ("cannot set result pipe to nonblocking mode"); |
903 | const_iv (EXDEV) |
376 | } |
904 | const_iv (EBADR) |
377 | |
905 | |
|
|
906 | const_iv (O_RDONLY) |
|
|
907 | const_iv (O_WRONLY) |
|
|
908 | const_iv (O_RDWR) |
|
|
909 | const_iv (O_CREAT) |
|
|
910 | const_iv (O_TRUNC) |
|
|
911 | const_iv (O_EXCL) |
|
|
912 | const_iv (O_APPEND) |
|
|
913 | |
|
|
914 | const_iv (O_ASYNC) |
|
|
915 | const_iv (O_DIRECT) |
|
|
916 | const_iv (O_NOATIME) |
|
|
917 | |
|
|
918 | const_iv (O_CLOEXEC) |
|
|
919 | const_iv (O_NOCTTY) |
|
|
920 | const_iv (O_NOFOLLOW) |
|
|
921 | const_iv (O_NONBLOCK) |
|
|
922 | const_iv (O_EXEC) |
|
|
923 | const_iv (O_SEARCH) |
|
|
924 | const_iv (O_DIRECTORY) |
|
|
925 | const_iv (O_DSYNC) |
|
|
926 | const_iv (O_RSYNC) |
|
|
927 | const_iv (O_SYNC) |
|
|
928 | const_iv (O_TTY_INIT) |
|
|
929 | |
|
|
930 | const_iv (S_IFIFO) |
|
|
931 | const_iv (S_IFCHR) |
|
|
932 | const_iv (S_IFBLK) |
|
|
933 | const_iv (S_IFLNK) |
|
|
934 | const_iv (S_IFREG) |
|
|
935 | const_iv (S_IFDIR) |
|
|
936 | const_iv (S_IFWHT) |
|
|
937 | const_iv (S_IFSOCK) |
|
|
938 | const_iv (S_IFMT) |
|
|
939 | |
|
|
940 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
941 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
942 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
943 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
944 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
945 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
946 | |
|
|
947 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
948 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
949 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
950 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
951 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
952 | |
|
|
953 | const_iv (ST_RDONLY) |
|
|
954 | const_iv (ST_NOSUID) |
|
|
955 | const_iv (ST_NODEV) |
|
|
956 | const_iv (ST_NOEXEC) |
|
|
957 | const_iv (ST_SYNCHRONOUS) |
|
|
958 | const_iv (ST_MANDLOCK) |
|
|
959 | const_iv (ST_WRITE) |
|
|
960 | const_iv (ST_APPEND) |
|
|
961 | const_iv (ST_IMMUTABLE) |
|
|
962 | const_iv (ST_NOATIME) |
|
|
963 | const_iv (ST_NODIRATIME) |
|
|
964 | const_iv (ST_RELATIME) |
|
|
965 | |
|
|
966 | const_iv (PROT_NONE) |
|
|
967 | const_iv (PROT_EXEC) |
|
|
968 | const_iv (PROT_READ) |
|
|
969 | const_iv (PROT_WRITE) |
|
|
970 | |
|
|
971 | /*const_iv (MAP_FIXED)*/ |
|
|
972 | const_iv (MAP_PRIVATE) |
|
|
973 | const_iv (MAP_SHARED) |
|
|
974 | const_iv (MAP_ANONYMOUS) |
|
|
975 | |
|
|
976 | /* linuxish */ |
|
|
977 | const_iv (MAP_HUGETLB) |
|
|
978 | const_iv (MAP_LOCKED) |
|
|
979 | const_iv (MAP_NORESERVE) |
|
|
980 | const_iv (MAP_POPULATE) |
|
|
981 | const_iv (MAP_NONBLOCK) |
|
|
982 | |
|
|
983 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
984 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
985 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
986 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
987 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
988 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
989 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
990 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
991 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
992 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
993 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
994 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
995 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
996 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
997 | |
|
|
998 | const_iv (SPLICE_F_MOVE) |
|
|
999 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1000 | const_iv (SPLICE_F_MORE) |
|
|
1001 | const_iv (SPLICE_F_GIFT) |
|
|
1002 | |
|
|
1003 | const_iv (SEEK_DATA) |
|
|
1004 | const_iv (SEEK_HOLE) |
|
|
1005 | |
|
|
1006 | /* libeio constants */ |
|
|
1007 | const_eio (SEEK_SET) |
|
|
1008 | const_eio (SEEK_CUR) |
|
|
1009 | const_eio (SEEK_END) |
|
|
1010 | |
|
|
1011 | const_eio (MCL_FUTURE) |
|
|
1012 | const_eio (MCL_CURRENT) |
|
|
1013 | |
|
|
1014 | const_eio (MS_ASYNC) |
|
|
1015 | const_eio (MS_INVALIDATE) |
|
|
1016 | const_eio (MS_SYNC) |
|
|
1017 | |
|
|
1018 | const_eio (MT_MODIFY) |
|
|
1019 | |
|
|
1020 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1021 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1022 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1023 | |
|
|
1024 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1025 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1026 | |
|
|
1027 | const_eio (READDIR_DENTS) |
|
|
1028 | const_eio (READDIR_DIRS_FIRST) |
|
|
1029 | const_eio (READDIR_STAT_ORDER) |
|
|
1030 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1031 | |
|
|
1032 | const_eio (DT_UNKNOWN) |
|
|
1033 | const_eio (DT_FIFO) |
|
|
1034 | const_eio (DT_CHR) |
|
|
1035 | const_eio (DT_DIR) |
|
|
1036 | const_eio (DT_BLK) |
|
|
1037 | const_eio (DT_REG) |
|
|
1038 | const_eio (DT_LNK) |
|
|
1039 | const_eio (DT_SOCK) |
|
|
1040 | const_eio (DT_WHT) |
|
|
1041 | }; |
|
|
1042 | |
|
|
1043 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1044 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1045 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1046 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
|
|
1047 | |
|
|
1048 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
|
|
1049 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
|
|
1050 | |
|
|
1051 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
1052 | |
|
|
1053 | reinit (); |
|
|
1054 | } |
|
|
1055 | |
378 | void |
1056 | void |
379 | min_parallel(nthreads) |
1057 | reinit () |
380 | int nthreads |
1058 | PROTOTYPE: |
|
|
1059 | |
|
|
1060 | void |
|
|
1061 | max_poll_reqs (unsigned int nreqs) |
381 | PROTOTYPE: $ |
1062 | PROTOTYPE: $ |
382 | CODE: |
1063 | CODE: |
383 | while (nthreads > started) |
1064 | eio_set_max_poll_reqs (nreqs); |
384 | start_thread (); |
|
|
385 | |
1065 | |
386 | void |
1066 | void |
387 | max_parallel(nthreads) |
1067 | max_poll_time (double nseconds) |
388 | int nthreads |
|
|
389 | PROTOTYPE: $ |
1068 | PROTOTYPE: $ |
390 | CODE: |
1069 | CODE: |
|
|
1070 | eio_set_max_poll_time (nseconds); |
|
|
1071 | |
|
|
1072 | void |
|
|
1073 | min_parallel (unsigned int nthreads) |
|
|
1074 | PROTOTYPE: $ |
|
|
1075 | CODE: |
|
|
1076 | eio_set_min_parallel (nthreads); |
|
|
1077 | |
|
|
1078 | void |
|
|
1079 | max_parallel (unsigned int nthreads) |
|
|
1080 | PROTOTYPE: $ |
|
|
1081 | CODE: |
|
|
1082 | eio_set_max_parallel (nthreads); |
|
|
1083 | |
|
|
1084 | void |
|
|
1085 | max_idle (unsigned int nthreads) |
|
|
1086 | PROTOTYPE: $ |
|
|
1087 | CODE: |
|
|
1088 | eio_set_max_idle (nthreads); |
|
|
1089 | |
|
|
1090 | void |
|
|
1091 | idle_timeout (unsigned int seconds) |
|
|
1092 | PROTOTYPE: $ |
|
|
1093 | CODE: |
|
|
1094 | eio_set_idle_timeout (seconds); |
|
|
1095 | |
|
|
1096 | void |
|
|
1097 | max_outstanding (unsigned int maxreqs) |
|
|
1098 | PROTOTYPE: $ |
|
|
1099 | CODE: |
|
|
1100 | max_outstanding = maxreqs; |
|
|
1101 | |
|
|
1102 | void |
|
|
1103 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1104 | PPCODE: |
391 | { |
1105 | { |
392 | int cur = started; |
1106 | dREQ; |
393 | while (cur > nthreads) |
1107 | |
394 | { |
1108 | req->type = EIO_WD_OPEN; |
395 | end_thread (); |
1109 | req_set_path1 (req, pathname); |
|
|
1110 | |
|
|
1111 | REQ_SEND; |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | void |
|
|
1115 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1116 | PPCODE: |
|
|
1117 | { |
|
|
1118 | dREQ; |
|
|
1119 | |
|
|
1120 | req->type = EIO_OPEN; |
|
|
1121 | req_set_path1 (req, pathname); |
|
|
1122 | req->int1 = flags; |
|
|
1123 | req->int2 = mode; |
|
|
1124 | |
|
|
1125 | REQ_SEND; |
|
|
1126 | } |
|
|
1127 | |
|
|
1128 | void |
|
|
1129 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1130 | ALIAS: |
|
|
1131 | aio_fsync = EIO_FSYNC |
|
|
1132 | aio_fdatasync = EIO_FDATASYNC |
|
|
1133 | aio_syncfs = EIO_SYNCFS |
|
|
1134 | PPCODE: |
|
|
1135 | { |
|
|
1136 | int fd = s_fileno_croak (fh, 0); |
|
|
1137 | dREQ; |
|
|
1138 | |
|
|
1139 | req->type = ix; |
|
|
1140 | req->sv1 = newSVsv (fh); |
|
|
1141 | req->int1 = fd; |
|
|
1142 | |
|
|
1143 | REQ_SEND; |
|
|
1144 | } |
|
|
1145 | |
|
|
1146 | void |
|
|
1147 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1148 | PPCODE: |
|
|
1149 | { |
|
|
1150 | int fd = s_fileno_croak (fh, 0); |
|
|
1151 | dREQ; |
|
|
1152 | |
|
|
1153 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1154 | req->sv1 = newSVsv (fh); |
|
|
1155 | req->int1 = fd; |
|
|
1156 | req->offs = offset; |
|
|
1157 | req->size = nbytes; |
|
|
1158 | req->int2 = flags; |
|
|
1159 | |
|
|
1160 | REQ_SEND; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | void |
|
|
1164 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1165 | PPCODE: |
|
|
1166 | { |
|
|
1167 | int fd = s_fileno_croak (fh, 0); |
|
|
1168 | dREQ; |
|
|
1169 | |
|
|
1170 | req->type = EIO_FALLOCATE; |
|
|
1171 | req->sv1 = newSVsv (fh); |
|
|
1172 | req->int1 = fd; |
|
|
1173 | req->int2 = mode; |
|
|
1174 | req->offs = offset; |
|
|
1175 | req->size = len; |
|
|
1176 | |
|
|
1177 | REQ_SEND; |
|
|
1178 | } |
|
|
1179 | |
|
|
1180 | void |
|
|
1181 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1182 | PPCODE: |
|
|
1183 | { |
|
|
1184 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1185 | int fd = s_fileno_croak (fh, 0); |
|
|
1186 | dREQ; |
|
|
1187 | |
|
|
1188 | if (expect_false (close_fd < 0)) |
|
|
1189 | { |
|
|
1190 | int pipefd [2]; |
|
|
1191 | |
|
|
1192 | if ( |
|
|
1193 | #ifdef _WIN32 |
|
|
1194 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1195 | #else |
|
|
1196 | pipe (pipefd) < 0 |
|
|
1197 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1198 | #endif |
|
|
1199 | || close (pipefd [1]) < 0 |
396 | cur--; |
1200 | ) |
|
|
1201 | abort (); /*D*/ |
|
|
1202 | |
|
|
1203 | close_fd = pipefd [0]; |
397 | } |
1204 | } |
398 | |
1205 | |
399 | while (started > nthreads) |
1206 | req->type = EIO_DUP2; |
|
|
1207 | req->int1 = close_fd; |
|
|
1208 | req->sv2 = newSVsv (fh); |
|
|
1209 | req->int2 = fd; |
|
|
1210 | |
|
|
1211 | REQ_SEND; |
|
|
1212 | } |
|
|
1213 | |
|
|
1214 | void |
|
|
1215 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
|
|
1216 | PPCODE: |
|
|
1217 | { |
|
|
1218 | int fd = s_fileno_croak (fh, 0); |
|
|
1219 | dREQ; |
|
|
1220 | |
|
|
1221 | req->type = EIO_SEEK; |
|
|
1222 | req->sv1 = newSVsv (fh); |
|
|
1223 | req->int1 = fd; |
|
|
1224 | req->offs = SvVAL64 (offset); |
|
|
1225 | req->int2 = whence; |
|
|
1226 | |
|
|
1227 | REQ_SEND; |
|
|
1228 | } |
|
|
1229 | |
|
|
1230 | void |
|
|
1231 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
|
|
1232 | ALIAS: |
|
|
1233 | aio_read = EIO_READ |
|
|
1234 | aio_write = EIO_WRITE |
|
|
1235 | PPCODE: |
|
|
1236 | { |
|
|
1237 | STRLEN svlen; |
|
|
1238 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
|
|
1239 | char *svptr = SvPVbyte (data, svlen); |
|
|
1240 | UV len = SvUV (length); |
|
|
1241 | |
|
|
1242 | if (dataoffset < 0) |
|
|
1243 | dataoffset += svlen; |
|
|
1244 | |
|
|
1245 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
1246 | croak ("dataoffset outside of data scalar"); |
|
|
1247 | |
|
|
1248 | if (ix == EIO_WRITE) |
|
|
1249 | { |
|
|
1250 | /* write: check length and adjust. */ |
|
|
1251 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
1252 | len = svlen - dataoffset; |
|
|
1253 | } |
|
|
1254 | else |
|
|
1255 | { |
|
|
1256 | /* read: check type and grow scalar as necessary */ |
|
|
1257 | SvUPGRADE (data, SVt_PV); |
|
|
1258 | if (SvLEN (data) >= SvCUR (data)) |
|
|
1259 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1260 | else if (SvCUR (data) < len + dataoffset) |
|
|
1261 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
|
|
1262 | } |
|
|
1263 | |
|
|
1264 | { |
|
|
1265 | dREQ; |
|
|
1266 | |
|
|
1267 | req->type = ix; |
|
|
1268 | req->sv1 = newSVsv (fh); |
|
|
1269 | req->int1 = fd; |
|
|
1270 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1271 | req->size = len; |
|
|
1272 | req->sv2 = SvREFCNT_inc (data); |
|
|
1273 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1274 | req->stroffset = dataoffset; |
|
|
1275 | |
|
|
1276 | if (!SvREADONLY (data)) |
|
|
1277 | { |
|
|
1278 | SvREADONLY_on (data); |
|
|
1279 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1280 | } |
|
|
1281 | |
|
|
1282 | REQ_SEND; |
|
|
1283 | } |
|
|
1284 | } |
|
|
1285 | |
|
|
1286 | void |
|
|
1287 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1288 | ALIAS: |
|
|
1289 | aio_readlink = EIO_READLINK |
|
|
1290 | aio_realpath = EIO_REALPATH |
|
|
1291 | PPCODE: |
|
|
1292 | { |
|
|
1293 | dREQ; |
|
|
1294 | |
|
|
1295 | req->type = ix; |
|
|
1296 | req_set_path1 (req, pathname); |
|
|
1297 | |
|
|
1298 | REQ_SEND; |
|
|
1299 | } |
|
|
1300 | |
|
|
1301 | void |
|
|
1302 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1303 | PPCODE: |
|
|
1304 | { |
|
|
1305 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1306 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1307 | dREQ; |
|
|
1308 | |
|
|
1309 | req->type = EIO_SENDFILE; |
|
|
1310 | req->sv1 = newSVsv (out_fh); |
|
|
1311 | req->int1 = ofd; |
|
|
1312 | req->sv2 = newSVsv (in_fh); |
|
|
1313 | req->int2 = ifd; |
|
|
1314 | req->offs = in_offset; |
|
|
1315 | req->size = length; |
|
|
1316 | |
|
|
1317 | REQ_SEND; |
|
|
1318 | } |
|
|
1319 | |
|
|
1320 | void |
|
|
1321 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1322 | PPCODE: |
|
|
1323 | { |
|
|
1324 | int fd = s_fileno_croak (fh, 0); |
|
|
1325 | dREQ; |
|
|
1326 | |
|
|
1327 | req->type = EIO_READAHEAD; |
|
|
1328 | req->sv1 = newSVsv (fh); |
|
|
1329 | req->int1 = fd; |
|
|
1330 | req->offs = offset; |
|
|
1331 | req->size = length; |
|
|
1332 | |
|
|
1333 | REQ_SEND; |
|
|
1334 | } |
|
|
1335 | |
|
|
1336 | void |
|
|
1337 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
1338 | ALIAS: |
|
|
1339 | aio_stat = EIO_STAT |
|
|
1340 | aio_lstat = EIO_LSTAT |
|
|
1341 | aio_statvfs = EIO_STATVFS |
|
|
1342 | PPCODE: |
|
|
1343 | { |
|
|
1344 | dREQ; |
|
|
1345 | |
|
|
1346 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1347 | |
|
|
1348 | REQ_SEND; |
|
|
1349 | } |
|
|
1350 | |
|
|
1351 | UV |
|
|
1352 | major (UV dev) |
|
|
1353 | ALIAS: |
|
|
1354 | minor = 1 |
|
|
1355 | CODE: |
|
|
1356 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1357 | OUTPUT: |
|
|
1358 | RETVAL |
|
|
1359 | |
|
|
1360 | UV |
|
|
1361 | makedev (UV maj, UV min) |
|
|
1362 | CODE: |
|
|
1363 | RETVAL = makedev (maj, min); |
|
|
1364 | OUTPUT: |
|
|
1365 | RETVAL |
|
|
1366 | |
|
|
1367 | void |
|
|
1368 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1369 | PPCODE: |
|
|
1370 | { |
|
|
1371 | dREQ; |
|
|
1372 | |
|
|
1373 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1374 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1375 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1376 | |
|
|
1377 | REQ_SEND; |
|
|
1378 | } |
|
|
1379 | |
|
|
1380 | void |
|
|
1381 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1382 | PPCODE: |
|
|
1383 | { |
|
|
1384 | dREQ; |
|
|
1385 | |
|
|
1386 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1387 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1388 | |
|
|
1389 | REQ_SEND; |
|
|
1390 | } |
|
|
1391 | |
|
|
1392 | void |
|
|
1393 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1394 | PPCODE: |
|
|
1395 | { |
|
|
1396 | dREQ; |
|
|
1397 | |
|
|
1398 | req->int2 = mode; |
|
|
1399 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1400 | |
|
|
1401 | REQ_SEND; |
|
|
1402 | } |
|
|
1403 | |
|
|
1404 | void |
|
|
1405 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1406 | PPCODE: |
|
|
1407 | { |
|
|
1408 | dREQ; |
|
|
1409 | |
|
|
1410 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1411 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1412 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1413 | |
|
|
1414 | REQ_SEND; |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | void |
|
|
1418 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1419 | PPCODE: |
|
|
1420 | { |
|
|
1421 | dREQ; |
|
|
1422 | |
|
|
1423 | req->type = EIO_READDIR; |
|
|
1424 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1425 | |
|
|
1426 | if (flags & EIO_READDIR_DENTS) |
|
|
1427 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1428 | |
|
|
1429 | req_set_path1 (req, pathname); |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
|
|
1432 | } |
|
|
1433 | |
|
|
1434 | void |
|
|
1435 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1436 | PPCODE: |
|
|
1437 | { |
|
|
1438 | dREQ; |
|
|
1439 | |
|
|
1440 | req->type = EIO_MKDIR; |
|
|
1441 | req->int2 = mode; |
|
|
1442 | req_set_path1 (req, pathname); |
|
|
1443 | |
|
|
1444 | REQ_SEND; |
|
|
1445 | } |
|
|
1446 | |
|
|
1447 | void |
|
|
1448 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1449 | ALIAS: |
|
|
1450 | aio_unlink = EIO_UNLINK |
|
|
1451 | aio_rmdir = EIO_RMDIR |
|
|
1452 | aio_readdir = EIO_READDIR |
|
|
1453 | PPCODE: |
|
|
1454 | { |
|
|
1455 | dREQ; |
|
|
1456 | |
|
|
1457 | req->type = ix; |
|
|
1458 | req_set_path1 (req, pathname); |
|
|
1459 | |
|
|
1460 | REQ_SEND; |
|
|
1461 | } |
|
|
1462 | |
|
|
1463 | void |
|
|
1464 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1465 | ALIAS: |
|
|
1466 | aio_link = EIO_LINK |
|
|
1467 | aio_symlink = EIO_SYMLINK |
|
|
1468 | aio_rename = EIO_RENAME |
|
|
1469 | PPCODE: |
|
|
1470 | { |
|
|
1471 | eio_wd wd2 = 0; |
|
|
1472 | dREQ; |
|
|
1473 | |
|
|
1474 | req->type = ix; |
|
|
1475 | req_set_path1 (req, oldpath); |
|
|
1476 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1477 | req->int3 = (long)wd2; |
|
|
1478 | |
|
|
1479 | REQ_SEND; |
|
|
1480 | } |
|
|
1481 | |
|
|
1482 | void |
|
|
1483 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1484 | PPCODE: |
|
|
1485 | { |
|
|
1486 | dREQ; |
|
|
1487 | |
|
|
1488 | req->type = EIO_MKNOD; |
|
|
1489 | req->int2 = (mode_t)mode; |
|
|
1490 | req->offs = dev; |
|
|
1491 | req_set_path1 (req, pathname); |
|
|
1492 | |
|
|
1493 | REQ_SEND; |
|
|
1494 | } |
|
|
1495 | |
|
|
1496 | void |
|
|
1497 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1498 | ALIAS: |
|
|
1499 | aio_mtouch = EIO_MTOUCH |
|
|
1500 | aio_msync = EIO_MSYNC |
|
|
1501 | PPCODE: |
|
|
1502 | { |
|
|
1503 | STRLEN svlen; |
|
|
1504 | char *svptr = SvPVbyte (data, svlen); |
|
|
1505 | UV len = SvUV (length); |
|
|
1506 | |
|
|
1507 | if (offset < 0) |
|
|
1508 | offset += svlen; |
|
|
1509 | |
|
|
1510 | if (offset < 0 || offset > svlen) |
|
|
1511 | croak ("offset outside of scalar"); |
|
|
1512 | |
|
|
1513 | if (!SvOK (length) || len + offset > svlen) |
|
|
1514 | len = svlen - offset; |
|
|
1515 | |
|
|
1516 | { |
|
|
1517 | dREQ; |
|
|
1518 | |
|
|
1519 | req->type = ix; |
|
|
1520 | req->sv2 = SvREFCNT_inc (data); |
|
|
1521 | req->ptr2 = (char *)svptr + offset; |
|
|
1522 | req->size = len; |
|
|
1523 | req->int1 = flags; |
|
|
1524 | |
|
|
1525 | REQ_SEND; |
|
|
1526 | } |
|
|
1527 | } |
|
|
1528 | |
|
|
1529 | void |
|
|
1530 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1531 | PPCODE: |
|
|
1532 | { |
|
|
1533 | STRLEN svlen; |
|
|
1534 | char *svptr = SvPVbyte (data, svlen); |
|
|
1535 | UV len = SvUV (length); |
|
|
1536 | |
|
|
1537 | if (offset < 0) |
|
|
1538 | offset += svlen; |
|
|
1539 | |
|
|
1540 | if (offset < 0 || offset > svlen) |
|
|
1541 | croak ("offset outside of scalar"); |
|
|
1542 | |
|
|
1543 | if (!SvOK (length) || len + offset > svlen) |
|
|
1544 | len = svlen - offset; |
|
|
1545 | |
|
|
1546 | { |
|
|
1547 | dREQ; |
|
|
1548 | |
|
|
1549 | req->type = EIO_MLOCK; |
|
|
1550 | req->sv2 = SvREFCNT_inc (data); |
|
|
1551 | req->ptr2 = (char *)svptr + offset; |
|
|
1552 | req->size = len; |
|
|
1553 | |
|
|
1554 | REQ_SEND; |
|
|
1555 | } |
|
|
1556 | } |
|
|
1557 | |
|
|
1558 | void |
|
|
1559 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1560 | PPCODE: |
|
|
1561 | { |
|
|
1562 | dREQ; |
|
|
1563 | |
|
|
1564 | req->type = EIO_MLOCKALL; |
|
|
1565 | req->int1 = flags; |
|
|
1566 | |
|
|
1567 | REQ_SEND; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void |
|
|
1571 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
|
|
1572 | PPCODE: |
|
|
1573 | { |
|
|
1574 | int fd = s_fileno_croak (fh, 0); |
|
|
1575 | dREQ; |
|
|
1576 | |
|
|
1577 | req->type = EIO_CUSTOM; |
|
|
1578 | req->sv1 = newSVsv (fh); |
|
|
1579 | req->int1 = fd; |
|
|
1580 | |
|
|
1581 | req->feed = fiemap; |
|
|
1582 | #if HAVE_FIEMAP |
|
|
1583 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1584 | req->offs = start; |
|
|
1585 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1586 | req->int2 = flags; |
|
|
1587 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1588 | #endif |
|
|
1589 | |
|
|
1590 | REQ_SEND; |
|
|
1591 | } |
|
|
1592 | |
|
|
1593 | void |
|
|
1594 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1595 | PPCODE: |
|
|
1596 | { |
|
|
1597 | dREQ; |
|
|
1598 | |
|
|
1599 | req->type = EIO_BUSY; |
|
|
1600 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1601 | |
|
|
1602 | REQ_SEND; |
|
|
1603 | } |
|
|
1604 | |
|
|
1605 | void |
|
|
1606 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1607 | PPCODE: |
|
|
1608 | { |
|
|
1609 | dREQ; |
|
|
1610 | |
|
|
1611 | req->type = EIO_GROUP; |
|
|
1612 | |
|
|
1613 | req_submit (req); |
|
|
1614 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1615 | } |
|
|
1616 | |
|
|
1617 | void |
|
|
1618 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1619 | ALIAS: |
|
|
1620 | aio_nop = EIO_NOP |
|
|
1621 | aio_sync = EIO_SYNC |
|
|
1622 | PPCODE: |
|
|
1623 | { |
|
|
1624 | dREQ; |
|
|
1625 | |
|
|
1626 | req->type = ix; |
|
|
1627 | |
|
|
1628 | REQ_SEND; |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | int |
|
|
1632 | aioreq_pri (int pri = 0) |
|
|
1633 | CODE: |
|
|
1634 | RETVAL = next_pri; |
|
|
1635 | if (items > 0) |
|
|
1636 | { |
|
|
1637 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1638 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1639 | next_pri = pri; |
|
|
1640 | } |
|
|
1641 | OUTPUT: |
|
|
1642 | RETVAL |
|
|
1643 | |
|
|
1644 | void |
|
|
1645 | aioreq_nice (int nice = 0) |
|
|
1646 | CODE: |
|
|
1647 | nice = next_pri - nice; |
|
|
1648 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1649 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1650 | next_pri = nice; |
|
|
1651 | |
|
|
1652 | void |
|
|
1653 | flush () |
|
|
1654 | CODE: |
|
|
1655 | while (eio_nreqs ()) |
400 | { |
1656 | { |
401 | poll_wait (); |
1657 | poll_wait (); |
402 | poll_cb (); |
1658 | poll_cb (); |
403 | } |
1659 | } |
404 | } |
|
|
405 | |
1660 | |
406 | int |
1661 | int |
407 | max_outstanding(nreqs) |
1662 | poll () |
408 | int nreqs |
|
|
409 | PROTOTYPE: $ |
|
|
410 | CODE: |
|
|
411 | RETVAL = max_outstanding; |
|
|
412 | max_outstanding = nreqs; |
|
|
413 | |
|
|
414 | void |
|
|
415 | aio_open(pathname,flags,mode,callback) |
|
|
416 | SV * pathname |
|
|
417 | int flags |
|
|
418 | int mode |
|
|
419 | SV * callback |
|
|
420 | PROTOTYPE: $$$$ |
|
|
421 | CODE: |
1663 | CODE: |
422 | { |
|
|
423 | aio_req req; |
|
|
424 | |
|
|
425 | Newz (0, req, 1, aio_cb); |
|
|
426 | |
|
|
427 | if (!req) |
|
|
428 | croak ("out of memory during aio_req allocation"); |
|
|
429 | |
|
|
430 | req->type = REQ_OPEN; |
|
|
431 | req->data = newSVsv (pathname); |
|
|
432 | req->dataptr = SvPV_nolen (req->data); |
|
|
433 | req->fd = flags; |
|
|
434 | req->mode = mode; |
|
|
435 | req->callback = SvREFCNT_inc (callback); |
|
|
436 | |
|
|
437 | send_req (req); |
|
|
438 | } |
|
|
439 | |
|
|
440 | void |
|
|
441 | aio_close(fh,callback) |
|
|
442 | InputStream fh |
|
|
443 | SV * callback |
|
|
444 | PROTOTYPE: $$ |
|
|
445 | ALIAS: |
|
|
446 | aio_close = REQ_CLOSE |
|
|
447 | aio_fsync = REQ_FSYNC |
|
|
448 | aio_fdatasync = REQ_FDATASYNC |
|
|
449 | CODE: |
|
|
450 | { |
|
|
451 | aio_req req; |
|
|
452 | |
|
|
453 | Newz (0, req, 1, aio_cb); |
|
|
454 | |
|
|
455 | if (!req) |
|
|
456 | croak ("out of memory during aio_req allocation"); |
|
|
457 | |
|
|
458 | req->type = ix; |
|
|
459 | req->fd = PerlIO_fileno (fh); |
|
|
460 | req->callback = SvREFCNT_inc (callback); |
|
|
461 | |
|
|
462 | send_req (req); |
|
|
463 | } |
|
|
464 | |
|
|
465 | void |
|
|
466 | aio_read(fh,offset,length,data,dataoffset,callback) |
|
|
467 | InputStream fh |
|
|
468 | UV offset |
|
|
469 | IV length |
|
|
470 | SV * data |
|
|
471 | IV dataoffset |
|
|
472 | SV * callback |
|
|
473 | PROTOTYPE: $$$$$$ |
|
|
474 | CODE: |
|
|
475 | read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
|
|
476 | |
|
|
477 | void |
|
|
478 | aio_write(fh,offset,length,data,dataoffset,callback) |
|
|
479 | OutputStream fh |
|
|
480 | UV offset |
|
|
481 | IV length |
|
|
482 | SV * data |
|
|
483 | IV dataoffset |
|
|
484 | SV * callback |
|
|
485 | PROTOTYPE: $$$$$$ |
|
|
486 | CODE: |
|
|
487 | read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
|
|
488 | |
|
|
489 | void |
|
|
490 | aio_readahead(fh,offset,length,callback) |
|
|
491 | InputStream fh |
|
|
492 | UV offset |
|
|
493 | IV length |
|
|
494 | SV * callback |
|
|
495 | PROTOTYPE: $$$$ |
|
|
496 | CODE: |
|
|
497 | { |
|
|
498 | aio_req req; |
|
|
499 | |
|
|
500 | if (length < 0) |
|
|
501 | croak ("length must not be negative"); |
|
|
502 | |
|
|
503 | Newz (0, req, 1, aio_cb); |
|
|
504 | |
|
|
505 | if (!req) |
|
|
506 | croak ("out of memory during aio_req allocation"); |
|
|
507 | |
|
|
508 | req->type = REQ_READAHEAD; |
|
|
509 | req->fd = PerlIO_fileno (fh); |
|
|
510 | req->offset = offset; |
|
|
511 | req->length = length; |
|
|
512 | req->callback = SvREFCNT_inc (callback); |
|
|
513 | |
|
|
514 | send_req (req); |
|
|
515 | } |
|
|
516 | |
|
|
517 | void |
|
|
518 | aio_stat(fh_or_path,callback) |
|
|
519 | SV * fh_or_path |
|
|
520 | SV * callback |
|
|
521 | PROTOTYPE: $$ |
|
|
522 | ALIAS: |
|
|
523 | aio_lstat = 1 |
|
|
524 | CODE: |
|
|
525 | { |
|
|
526 | aio_req req; |
|
|
527 | |
|
|
528 | Newz (0, req, 1, aio_cb); |
|
|
529 | |
|
|
530 | if (!req) |
|
|
531 | croak ("out of memory during aio_req allocation"); |
|
|
532 | |
|
|
533 | New (0, req->statdata, 1, Stat_t); |
|
|
534 | |
|
|
535 | if (!req->statdata) |
|
|
536 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
537 | |
|
|
538 | if (SvPOK (fh_or_path)) |
|
|
539 | { |
|
|
540 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
|
|
541 | req->data = newSVsv (fh_or_path); |
|
|
542 | req->dataptr = SvPV_nolen (req->data); |
|
|
543 | } |
|
|
544 | else |
|
|
545 | { |
|
|
546 | req->type = REQ_FSTAT; |
|
|
547 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
548 | } |
|
|
549 | |
|
|
550 | req->callback = SvREFCNT_inc (callback); |
|
|
551 | |
|
|
552 | send_req (req); |
|
|
553 | } |
|
|
554 | |
|
|
555 | void |
|
|
556 | aio_unlink(pathname,callback) |
|
|
557 | SV * pathname |
|
|
558 | SV * callback |
|
|
559 | PROTOTYPE: $$ |
|
|
560 | CODE: |
|
|
561 | { |
|
|
562 | aio_req req; |
|
|
563 | |
|
|
564 | Newz (0, req, 1, aio_cb); |
|
|
565 | |
|
|
566 | if (!req) |
|
|
567 | croak ("out of memory during aio_req allocation"); |
|
|
568 | |
|
|
569 | req->type = REQ_UNLINK; |
|
|
570 | req->data = newSVsv (pathname); |
|
|
571 | req->dataptr = SvPV_nolen (req->data); |
|
|
572 | req->callback = SvREFCNT_inc (callback); |
|
|
573 | |
|
|
574 | send_req (req); |
|
|
575 | } |
|
|
576 | |
|
|
577 | void |
|
|
578 | flush() |
|
|
579 | PROTOTYPE: |
|
|
580 | CODE: |
|
|
581 | while (nreqs) |
|
|
582 | { |
|
|
583 | poll_wait (); |
1664 | poll_wait (); |
584 | poll_cb (); |
1665 | RETVAL = poll_cb (); |
585 | } |
|
|
586 | |
|
|
587 | void |
|
|
588 | poll() |
|
|
589 | PROTOTYPE: |
|
|
590 | CODE: |
|
|
591 | if (nreqs) |
|
|
592 | { |
|
|
593 | poll_wait (); |
|
|
594 | poll_cb (); |
|
|
595 | } |
|
|
596 | |
|
|
597 | int |
|
|
598 | poll_fileno() |
|
|
599 | PROTOTYPE: |
|
|
600 | CODE: |
|
|
601 | RETVAL = respipe [0]; |
|
|
602 | OUTPUT: |
1666 | OUTPUT: |
603 | RETVAL |
1667 | RETVAL |
604 | |
1668 | |
605 | int |
1669 | int |
|
|
1670 | poll_fileno () |
|
|
1671 | CODE: |
|
|
1672 | RETVAL = s_epipe_fd (&respipe); |
|
|
1673 | OUTPUT: |
|
|
1674 | RETVAL |
|
|
1675 | |
|
|
1676 | int |
606 | poll_cb(...) |
1677 | poll_cb (...) |
607 | PROTOTYPE: |
1678 | PROTOTYPE: |
608 | CODE: |
1679 | CODE: |
609 | RETVAL = poll_cb (); |
1680 | RETVAL = poll_cb (); |
610 | OUTPUT: |
1681 | OUTPUT: |
611 | RETVAL |
1682 | RETVAL |
612 | |
1683 | |
613 | void |
1684 | void |
614 | poll_wait() |
1685 | poll_wait () |
615 | PROTOTYPE: |
|
|
616 | CODE: |
1686 | CODE: |
617 | if (nreqs) |
|
|
618 | poll_wait (); |
1687 | poll_wait (); |
619 | |
1688 | |
620 | int |
1689 | int |
621 | nreqs() |
1690 | nreqs () |
622 | PROTOTYPE: |
|
|
623 | CODE: |
1691 | CODE: |
624 | RETVAL = nreqs; |
1692 | RETVAL = eio_nreqs (); |
625 | OUTPUT: |
1693 | OUTPUT: |
626 | RETVAL |
1694 | RETVAL |
627 | |
1695 | |
|
|
1696 | int |
|
|
1697 | nready () |
|
|
1698 | CODE: |
|
|
1699 | RETVAL = eio_nready (); |
|
|
1700 | OUTPUT: |
|
|
1701 | RETVAL |
|
|
1702 | |
|
|
1703 | int |
|
|
1704 | npending () |
|
|
1705 | CODE: |
|
|
1706 | RETVAL = eio_npending (); |
|
|
1707 | OUTPUT: |
|
|
1708 | RETVAL |
|
|
1709 | |
|
|
1710 | int |
|
|
1711 | nthreads () |
|
|
1712 | CODE: |
|
|
1713 | RETVAL = eio_nthreads (); |
|
|
1714 | OUTPUT: |
|
|
1715 | RETVAL |
|
|
1716 | |
|
|
1717 | int |
|
|
1718 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1719 | CODE: |
|
|
1720 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1721 | OUTPUT: |
|
|
1722 | RETVAL |
|
|
1723 | |
|
|
1724 | IV |
|
|
1725 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1726 | CODE: |
|
|
1727 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1728 | OUTPUT: |
|
|
1729 | RETVAL |
|
|
1730 | |
|
|
1731 | void |
|
|
1732 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1733 | PPCODE: |
|
|
1734 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1735 | { |
|
|
1736 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1737 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1738 | if (addr == (void *)-1) |
|
|
1739 | XSRETURN_NO; |
|
|
1740 | |
|
|
1741 | sv_force_normal (scalar); |
|
|
1742 | |
|
|
1743 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1744 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1745 | ->mg_obj = (SV *)length; |
|
|
1746 | |
|
|
1747 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1748 | |
|
|
1749 | if (!(prot & PROT_WRITE)) |
|
|
1750 | SvREADONLY_on (scalar); |
|
|
1751 | |
|
|
1752 | if (SvLEN (scalar)) |
|
|
1753 | Safefree (SvPVX (scalar)); |
|
|
1754 | |
|
|
1755 | SvPVX (scalar) = (char *)addr; |
|
|
1756 | SvCUR_set (scalar, length); |
|
|
1757 | SvLEN_set (scalar, 0); |
|
|
1758 | SvPOK_only (scalar); |
|
|
1759 | |
|
|
1760 | XSRETURN_YES; |
|
|
1761 | } |
|
|
1762 | |
|
|
1763 | void |
|
|
1764 | munmap (SV *scalar) |
|
|
1765 | CODE: |
|
|
1766 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1767 | |
|
|
1768 | int |
|
|
1769 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1770 | ALIAS: |
|
|
1771 | mprotect = 1 |
|
|
1772 | CODE: |
|
|
1773 | { |
|
|
1774 | STRLEN svlen; |
|
|
1775 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1776 | size_t len = SvUV (length); |
|
|
1777 | |
|
|
1778 | if (offset < 0) |
|
|
1779 | offset += svlen; |
|
|
1780 | |
|
|
1781 | if (offset < 0 || offset > svlen) |
|
|
1782 | croak ("offset outside of scalar"); |
|
|
1783 | |
|
|
1784 | if (!SvOK (length) || len + offset > svlen) |
|
|
1785 | len = svlen - offset; |
|
|
1786 | |
|
|
1787 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1788 | eio_page_align (&addr, &len); |
|
|
1789 | |
|
|
1790 | switch (ix) |
|
|
1791 | { |
|
|
1792 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1793 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1794 | } |
|
|
1795 | } |
|
|
1796 | OUTPUT: |
|
|
1797 | RETVAL |
|
|
1798 | |
|
|
1799 | int |
|
|
1800 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1801 | CODE: |
|
|
1802 | { |
|
|
1803 | STRLEN svlen; |
|
|
1804 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1805 | size_t len = SvUV (length); |
|
|
1806 | |
|
|
1807 | if (offset < 0) |
|
|
1808 | offset += svlen; |
|
|
1809 | |
|
|
1810 | if (offset < 0 || offset > svlen) |
|
|
1811 | croak ("offset outside of scalar"); |
|
|
1812 | |
|
|
1813 | if (!SvOK (length) || len + offset > svlen) |
|
|
1814 | len = svlen - offset; |
|
|
1815 | |
|
|
1816 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1817 | eio_page_align (&addr, &len); |
|
|
1818 | #if _POSIX_MEMLOCK_RANGE |
|
|
1819 | RETVAL = munlock (addr, len); |
|
|
1820 | #else |
|
|
1821 | RETVAL = EIO_ENOSYS (); |
|
|
1822 | #endif |
|
|
1823 | } |
|
|
1824 | OUTPUT: |
|
|
1825 | RETVAL |
|
|
1826 | |
|
|
1827 | int |
|
|
1828 | munlockall () |
|
|
1829 | CODE: |
|
|
1830 | #if _POSIX_MEMLOCK |
|
|
1831 | munlockall (); |
|
|
1832 | #else |
|
|
1833 | RETVAL = EIO_ENOSYS (); |
|
|
1834 | #endif |
|
|
1835 | OUTPUT: |
|
|
1836 | RETVAL |
|
|
1837 | |
|
|
1838 | int |
|
|
1839 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1840 | CODE: |
|
|
1841 | { |
|
|
1842 | #if HAVE_LINUX_SPLICE |
|
|
1843 | loff_t off_in_, off_out_; |
|
|
1844 | RETVAL = splice ( |
|
|
1845 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1846 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1847 | length, flags |
|
|
1848 | ); |
|
|
1849 | #else |
|
|
1850 | RETVAL = EIO_ENOSYS (); |
|
|
1851 | #endif |
|
|
1852 | } |
|
|
1853 | OUTPUT: |
|
|
1854 | RETVAL |
|
|
1855 | |
|
|
1856 | int |
|
|
1857 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1858 | CODE: |
|
|
1859 | #if HAVE_LINUX_SPLICE |
|
|
1860 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1861 | #else |
|
|
1862 | RETVAL = EIO_ENOSYS (); |
|
|
1863 | #endif |
|
|
1864 | OUTPUT: |
|
|
1865 | RETVAL |
|
|
1866 | |
|
|
1867 | void _on_next_submit (SV *cb) |
|
|
1868 | CODE: |
|
|
1869 | SvREFCNT_dec (on_next_submit); |
|
|
1870 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1871 | |
|
|
1872 | PROTOTYPES: DISABLE |
|
|
1873 | |
|
|
1874 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1875 | |
|
|
1876 | BOOT: |
|
|
1877 | { |
|
|
1878 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1879 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1880 | } |
|
|
1881 | |
|
|
1882 | void |
|
|
1883 | DESTROY (SV *self) |
|
|
1884 | CODE: |
|
|
1885 | { |
|
|
1886 | aio_wd wd = SvAIO_WD (self); |
|
|
1887 | #if HAVE_AT |
|
|
1888 | { |
|
|
1889 | SV *callback = &PL_sv_undef; |
|
|
1890 | dREQ; /* clobbers next_pri :/ */ |
|
|
1891 | next_pri = req->pri; /* restore next_pri */ |
|
|
1892 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1893 | req->type = EIO_WD_CLOSE; |
|
|
1894 | req->wd = wd; |
|
|
1895 | REQ_SEND; |
|
|
1896 | } |
|
|
1897 | #else |
|
|
1898 | eio_wd_close_sync (wd); |
|
|
1899 | #endif |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1903 | |
|
|
1904 | void |
|
|
1905 | cancel (aio_req_ornot req) |
|
|
1906 | CODE: |
|
|
1907 | eio_cancel (req); |
|
|
1908 | |
|
|
1909 | void |
|
|
1910 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1911 | PPCODE: |
|
|
1912 | { |
|
|
1913 | if (GIMME_V != G_VOID) |
|
|
1914 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1915 | |
|
|
1916 | if (items > 1) |
|
|
1917 | { |
|
|
1918 | SV *cb_cv =get_cb (callback); |
|
|
1919 | |
|
|
1920 | SvREFCNT_dec (req->callback); |
|
|
1921 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1922 | } |
|
|
1923 | } |
|
|
1924 | |
|
|
1925 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1926 | |
|
|
1927 | void |
|
|
1928 | add (aio_req grp, ...) |
|
|
1929 | PPCODE: |
|
|
1930 | { |
|
|
1931 | int i; |
|
|
1932 | |
|
|
1933 | if (grp->int1 == 2) |
|
|
1934 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1935 | |
|
|
1936 | for (i = 1; i < items; ++i ) |
|
|
1937 | { |
|
|
1938 | aio_req req; |
|
|
1939 | |
|
|
1940 | if (GIMME_V != G_VOID) |
|
|
1941 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1942 | |
|
|
1943 | req = SvAIO_REQ (ST (i)); |
|
|
1944 | |
|
|
1945 | if (req) |
|
|
1946 | eio_grp_add (grp, req); |
|
|
1947 | } |
|
|
1948 | } |
|
|
1949 | |
|
|
1950 | void |
|
|
1951 | cancel_subs (aio_req_ornot req) |
|
|
1952 | CODE: |
|
|
1953 | req_cancel_subs (req); |
|
|
1954 | |
|
|
1955 | void |
|
|
1956 | result (aio_req grp, ...) |
|
|
1957 | CODE: |
|
|
1958 | { |
|
|
1959 | int i; |
|
|
1960 | AV *av; |
|
|
1961 | |
|
|
1962 | grp->errorno = errno; |
|
|
1963 | |
|
|
1964 | av = newAV (); |
|
|
1965 | av_extend (av, items - 1); |
|
|
1966 | |
|
|
1967 | for (i = 1; i < items; ++i ) |
|
|
1968 | av_push (av, newSVsv (ST (i))); |
|
|
1969 | |
|
|
1970 | SvREFCNT_dec (grp->sv1); |
|
|
1971 | grp->sv1 = (SV *)av; |
|
|
1972 | } |
|
|
1973 | |
|
|
1974 | void |
|
|
1975 | errno (aio_req grp, int errorno = errno) |
|
|
1976 | CODE: |
|
|
1977 | grp->errorno = errorno; |
|
|
1978 | |
|
|
1979 | void |
|
|
1980 | limit (aio_req grp, int limit) |
|
|
1981 | CODE: |
|
|
1982 | eio_grp_limit (grp, limit); |
|
|
1983 | |
|
|
1984 | void |
|
|
1985 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1986 | CODE: |
|
|
1987 | { |
|
|
1988 | SvREFCNT_dec (grp->sv2); |
|
|
1989 | grp->sv2 = newSVsv (callback); |
|
|
1990 | grp->feed = aio_grp_feed; |
|
|
1991 | |
|
|
1992 | if (grp->int2 <= 0) |
|
|
1993 | grp->int2 = 2; |
|
|
1994 | |
|
|
1995 | eio_grp_limit (grp, grp->int2); |
|
|
1996 | } |
|
|
1997 | |