1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
27 | #include <limits.h> |
16 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
17 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
18 | #include <sched.h> |
32 | |
19 | |
33 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
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35 | # include <sys/sendfile.h> |
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36 | # elif __freebsd |
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37 | # include <sys/socket.h> |
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38 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
39 | # elif __hpux |
22 | #endif |
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23 | |
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24 | /* the incompetent fool that created musl keeps __linux__, refuses |
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25 | * to implement any linux standard apis, and also has no way to test |
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26 | * for his broken iplementation. on't complain if this fails for you. |
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27 | */ |
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28 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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29 | # include <linux/fs.h> |
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30 | # ifdef FS_IOC_FIEMAP |
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31 | # include <linux/types.h> |
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32 | # include <linux/fiemap.h> |
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33 | # define HAVE_FIEMAP 1 |
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34 | # endif |
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35 | #endif |
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36 | |
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37 | /* perl namespace pollution */ |
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38 | #undef VERSION |
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39 | |
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40 | /* perl stupidly overrides readdir and maybe others */ |
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41 | /* with thread-unsafe versions, imagine that :( */ |
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42 | #undef readdir |
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43 | #undef opendir |
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44 | #undef closedir |
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45 | |
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46 | #ifdef _WIN32 |
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47 | |
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48 | // perl overrides all those nice libc functions |
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49 | |
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50 | #undef malloc |
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51 | #undef free |
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52 | #undef open |
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53 | #undef read |
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54 | #undef write |
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55 | #undef send |
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56 | #undef recv |
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57 | #undef stat |
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58 | #undef lstat |
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59 | #undef fstat |
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60 | #undef truncate |
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61 | #undef ftruncate |
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62 | #undef open |
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63 | #undef link |
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64 | #undef close |
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65 | #undef unlink |
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66 | #undef mkdir |
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67 | #undef rmdir |
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68 | #undef rename |
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69 | #undef lseek |
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70 | #undef opendir |
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71 | #undef readdir |
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72 | #undef closedir |
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73 | #undef chmod |
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74 | #undef fchmod |
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75 | #undef dup |
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76 | #undef dup2 |
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77 | #undef abort |
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78 | #undef pipe |
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79 | |
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80 | #define EIO_STRUCT_STAT struct _stati64 |
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81 | #define EIO_STRUCT_STATI64 |
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82 | |
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83 | #else |
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84 | |
40 | # include <sys/socket.h> |
85 | #include <sys/time.h> |
41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
86 | #include <sys/select.h> |
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87 | #include <unistd.h> |
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88 | #include <utime.h> |
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89 | #include <signal.h> |
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90 | |
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91 | #define EIO_STRUCT_STAT Stat_t |
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92 | |
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93 | #endif |
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94 | |
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95 | /*****************************************************************************/ |
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96 | |
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97 | #if __GNUC__ >= 3 |
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98 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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99 | #else |
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100 | # define expect(expr,value) (expr) |
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101 | #endif |
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102 | |
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103 | #define expect_false(expr) expect ((expr) != 0, 0) |
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104 | #define expect_true(expr) expect ((expr) != 0, 1) |
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105 | |
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106 | /*****************************************************************************/ |
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107 | |
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108 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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109 | typedef int aio_rfd; /* read file desriptor */ |
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110 | typedef int aio_wfd; /* write file descriptor */ |
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111 | |
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112 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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113 | |
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114 | #define EIO_REQ_MEMBERS \ |
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115 | SV *callback; \ |
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116 | SV *sv1, *sv2; \ |
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117 | SV *sv3, *sv4; \ |
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118 | STRLEN stroffset; \ |
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119 | SV *self; |
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120 | |
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121 | #define EIO_NO_WRAPPERS 1 |
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122 | |
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123 | #include "libeio/config.h" |
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124 | #include "libeio/eio.h" |
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125 | |
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126 | static int req_invoke (eio_req *req); |
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127 | #define EIO_FINISH(req) req_invoke (req) |
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128 | static void req_destroy (eio_req *grp); |
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129 | #define EIO_DESTROY(req) req_destroy (req) |
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130 | |
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131 | #include "libeio/eio.c" |
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132 | |
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133 | #if !HAVE_POSIX_FADVISE |
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134 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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135 | #endif |
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136 | |
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137 | #if !HAVE_POSIX_MADVISE |
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138 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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139 | #endif |
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140 | |
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141 | #ifndef MAP_ANONYMOUS |
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142 | # ifdef MAP_ANON |
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143 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
144 | # else |
44 | # error sendfile support requested but not available |
145 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
146 | # endif |
46 | #endif |
147 | #endif |
47 | |
148 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
149 | /* defines all sorts of constants to 0 unless they are already defined */ |
49 | #ifndef NAME_MAX |
150 | /* also provides const_iv_ and const_niv_ macros for them */ |
50 | # define NAME_MAX 4096 |
151 | #include "def0.h" |
51 | #endif |
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52 | |
152 | |
53 | #ifndef PTHREAD_STACK_MIN |
153 | #ifndef makedev |
54 | /* care for broken platforms, e.g. windows */ |
154 | # define makedev(maj,min) (((maj) << 8) | (min)) |
55 | # define PTHREAD_STACK_MIN 16384 |
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56 | #endif |
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57 | |
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58 | #if __ia64 |
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59 | # define STACKSIZE 65536 |
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60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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61 | # define STACKSIZE PTHREAD_STACK_MIN |
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62 | #else |
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63 | # define STACKSIZE 16384 |
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64 | #endif |
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65 | |
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66 | /* wether word reads are potentially non-atomic. |
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67 | * this is conservatice, likely most arches this runs |
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68 | * on have atomic word read/writes. |
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69 | */ |
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70 | #ifndef WORDREAD_UNSAFE |
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71 | # if __i386 || __x86_64 |
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72 | # define WORDREAD_UNSAFE 0 |
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73 | # else |
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74 | # define WORDREAD_UNSAFE 1 |
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75 | # endif |
155 | #endif |
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156 | #ifndef major |
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157 | # define major(dev) ((dev) >> 8) |
76 | #endif |
158 | #endif |
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159 | #ifndef minor |
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160 | # define minor(dev) ((dev) & 0xff) |
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161 | #endif |
77 | |
162 | |
78 | /* buffer size for various temporary buffers */ |
163 | #if PAGESIZE <= 0 |
79 | #define AIO_BUFSIZE 65536 |
164 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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165 | #endif |
80 | |
166 | |
81 | #define dBUF \ |
167 | /*****************************************************************************/ |
82 | char *aio_buf; \ |
168 | |
83 | LOCK (wrklock); \ |
169 | static void |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
170 | fiemap (eio_req *req) |
85 | UNLOCK (wrklock); \ |
171 | { |
86 | if (!aio_buf) \ |
172 | req->result = -1; |
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173 | |
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174 | #if HAVE_FIEMAP |
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175 | /* assume some c99 */ |
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176 | struct fiemap *fiemap = 0; |
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177 | size_t end_offset; |
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178 | int count = req->int3; |
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179 | |
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180 | req->flags |= EIO_FLAG_PTR1_FREE; |
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181 | |
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182 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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183 | /* increase in 3.5kb steps */ |
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184 | if (count < 0) |
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185 | count = 8; |
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186 | |
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187 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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188 | errno = ENOMEM; |
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189 | if (!fiemap) |
87 | return -1; |
190 | return; |
88 | |
191 | |
89 | enum { |
192 | req->ptr1 = fiemap; |
90 | REQ_QUIT, |
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91 | REQ_OPEN, REQ_CLOSE, |
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92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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93 | REQ_SENDFILE, |
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94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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95 | REQ_FSYNC, REQ_FDATASYNC, |
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96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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97 | REQ_READDIR, |
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98 | REQ_LINK, REQ_SYMLINK, |
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99 | REQ_GROUP, REQ_NOP, |
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100 | REQ_BUSY, |
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101 | }; |
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102 | |
193 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
194 | fiemap->fm_start = req->offs; |
104 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
195 | fiemap->fm_length = req->size; |
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196 | fiemap->fm_flags = req->int2; |
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197 | fiemap->fm_extent_count = count; |
105 | |
198 | |
106 | typedef struct aio_cb |
199 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
107 | { |
200 | return; |
108 | struct aio_cb *volatile next; |
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109 | |
201 | |
110 | SV *data, *callback; |
202 | if (req->int3 >= 0 /* not autosizing */ |
111 | SV *fh, *fh2; |
203 | || !fiemap->fm_mapped_extents /* no more extents */ |
112 | void *dataptr, *data2ptr; |
204 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
113 | Stat_t *statdata; |
205 | goto done; |
114 | off_t offset; |
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115 | size_t length; |
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116 | ssize_t result; |
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117 | |
206 | |
118 | STRLEN dataoffset; |
207 | /* else we have to loop - |
119 | int type; |
208 | * it would be tempting (actually I tried that first) to just query the |
120 | int fd, fd2; |
209 | * number of extents needed, but linux often feels like not returning all |
121 | int errorno; |
210 | * extents, without telling us it left any out. this complicates |
122 | mode_t mode; /* open */ |
211 | * this quite a bit. |
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212 | */ |
123 | |
213 | |
124 | unsigned char flags; |
214 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
125 | unsigned char pri; |
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126 | |
215 | |
127 | SV *self; /* the perl counterpart of this request, if any */ |
216 | for (;;) |
128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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129 | } aio_cb; |
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130 | |
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131 | enum { |
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132 | FLAG_CANCELLED = 0x01, |
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133 | }; |
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134 | |
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135 | typedef aio_cb *aio_req; |
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136 | typedef aio_cb *aio_req_ornot; |
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137 | |
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138 | enum { |
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139 | PRI_MIN = -4, |
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140 | PRI_MAX = 4, |
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141 | |
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142 | DEFAULT_PRI = 0, |
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143 | PRI_BIAS = -PRI_MIN, |
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144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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145 | }; |
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146 | |
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147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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148 | |
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149 | static unsigned int started, wanted; |
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150 | |
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151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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153 | #else |
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154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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155 | #endif |
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156 | |
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157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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159 | |
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160 | /* worker threads management */ |
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161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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162 | |
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163 | typedef struct worker { |
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164 | /* locked by wrklock */ |
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165 | struct worker *prev, *next; |
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166 | |
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167 | pthread_t tid; |
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168 | |
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169 | /* locked by reslock, reqlock or wrklock */ |
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170 | aio_req req; /* currently processed request */ |
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171 | void *dbuf; |
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172 | DIR *dirp; |
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173 | } worker; |
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174 | |
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175 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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176 | |
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177 | static void worker_clear (worker *wrk) |
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178 | { |
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179 | if (wrk->dirp) |
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180 | { |
217 | { |
181 | closedir (wrk->dirp); |
218 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
182 | wrk->dirp = 0; |
219 | char scratch[3072]; |
183 | } |
220 | struct fiemap *incmap = (struct fiemap *)scratch; |
184 | |
221 | |
185 | if (wrk->dbuf) |
222 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
186 | { |
223 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
187 | free (wrk->dbuf); |
224 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
188 | wrk->dbuf = 0; |
225 | incmap->fm_flags = fiemap->fm_flags; |
189 | } |
226 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
190 | } |
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191 | |
227 | |
192 | static void worker_free (worker *wrk) |
228 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
193 | { |
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194 | wrk->next->prev = wrk->prev; |
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195 | wrk->prev->next = wrk->next; |
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196 | |
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197 | free (wrk); |
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198 | } |
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199 | |
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200 | static volatile unsigned int nreqs, nready, npending; |
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201 | static volatile unsigned int max_outstanding = 0xffffffff; |
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202 | static int respipe [2]; |
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203 | |
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204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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207 | |
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208 | #if WORDREAD_UNSAFE |
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209 | |
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210 | static unsigned int get_nready () |
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211 | { |
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212 | unsigned int retval; |
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213 | |
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214 | LOCK (reqlock); |
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215 | retval = nready; |
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216 | UNLOCK (reqlock); |
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217 | |
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218 | return retval; |
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219 | } |
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220 | |
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221 | static unsigned int get_npending () |
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222 | { |
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223 | unsigned int retval; |
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224 | |
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225 | LOCK (reslock); |
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226 | retval = npending; |
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227 | UNLOCK (reslock); |
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228 | |
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229 | return retval; |
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230 | } |
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231 | |
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232 | #else |
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233 | |
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234 | # define get_nready() nready |
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235 | # define get_npending() npending |
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236 | |
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237 | #endif |
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238 | |
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239 | /* |
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240 | * a somewhat faster data structure might be nice, but |
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241 | * with 8 priorities this actually needs <20 insns |
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242 | * per shift, the most expensive operation. |
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243 | */ |
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244 | typedef struct { |
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245 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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246 | int size; |
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247 | } reqq; |
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248 | |
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249 | static reqq req_queue; |
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250 | static reqq res_queue; |
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251 | |
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252 | int reqq_push (reqq *q, aio_req req) |
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253 | { |
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254 | int pri = req->pri; |
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255 | req->next = 0; |
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256 | |
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257 | if (q->qe[pri]) |
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258 | { |
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259 | q->qe[pri]->next = req; |
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260 | q->qe[pri] = req; |
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261 | } |
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262 | else |
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263 | q->qe[pri] = q->qs[pri] = req; |
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264 | |
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265 | return q->size++; |
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266 | } |
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267 | |
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268 | aio_req reqq_shift (reqq *q) |
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269 | { |
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270 | int pri; |
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271 | |
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272 | if (!q->size) |
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273 | return 0; |
229 | return; |
274 | |
230 | |
275 | --q->size; |
231 | if (!incmap->fm_mapped_extents) |
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232 | goto done; |
276 | |
233 | |
277 | for (pri = NUM_PRI; pri--; ) |
234 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
278 | { |
235 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
279 | aio_req req = q->qs[pri]; |
236 | errno = ENOMEM; |
280 | |
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|
281 | if (req) |
237 | if (!fiemap) |
|
|
238 | return; |
|
|
239 | |
|
|
240 | req->ptr1 = fiemap; |
|
|
241 | |
|
|
242 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
282 | { |
243 | { |
283 | if (!(q->qs[pri] = req->next)) |
244 | struct fiemap_extent *e = incmap->fm_extents + count; |
284 | q->qe[pri] = 0; |
|
|
285 | |
245 | |
286 | return req; |
246 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
247 | goto done; |
|
|
248 | |
|
|
249 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
250 | |
|
|
251 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
252 | goto done; |
|
|
253 | |
287 | } |
254 | } |
288 | } |
255 | } |
289 | |
256 | |
290 | abort (); |
257 | done: |
291 | } |
258 | req->result = 0; |
292 | |
259 | |
293 | static int poll_cb (int max); |
260 | #else |
294 | static void req_invoke (aio_req req); |
261 | errno = ENOSYS; |
|
|
262 | #endif |
|
|
263 | } |
|
|
264 | |
|
|
265 | /*****************************************************************************/ |
|
|
266 | |
|
|
267 | enum { |
|
|
268 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
269 | }; |
|
|
270 | |
|
|
271 | typedef eio_req *aio_req; |
|
|
272 | typedef eio_req *aio_req_ornot; |
|
|
273 | typedef eio_wd aio_wd; |
|
|
274 | |
|
|
275 | static SV *on_next_submit; |
|
|
276 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
277 | static int max_outstanding; |
|
|
278 | |
|
|
279 | static s_epipe respipe; |
|
|
280 | |
295 | static void req_free (aio_req req); |
281 | static void req_destroy (aio_req req); |
296 | static void req_cancel (aio_req req); |
282 | static void req_cancel (aio_req req); |
297 | |
283 | |
|
|
284 | static void |
|
|
285 | want_poll (void) |
|
|
286 | { |
|
|
287 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
288 | s_epipe_signal (&respipe); |
|
|
289 | } |
|
|
290 | |
|
|
291 | static void |
|
|
292 | done_poll (void) |
|
|
293 | { |
|
|
294 | /* read any signals sent by the worker threads */ |
|
|
295 | s_epipe_drain (&respipe); |
|
|
296 | } |
|
|
297 | |
298 | /* must be called at most once */ |
298 | /* must be called at most once */ |
299 | static SV *req_sv (aio_req req, const char *klass) |
299 | static SV * |
|
|
300 | req_sv (aio_req req, HV *stash) |
300 | { |
301 | { |
301 | if (!req->self) |
302 | if (!req->self) |
302 | { |
303 | { |
303 | req->self = (SV *)newHV (); |
304 | req->self = (SV *)newHV (); |
304 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
305 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
305 | } |
306 | } |
306 | |
307 | |
307 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
308 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
308 | } |
309 | } |
309 | |
310 | |
310 | static aio_req SvAIO_REQ (SV *sv) |
311 | static SV * |
|
|
312 | newSVaio_wd (aio_wd wd) |
|
|
313 | { |
|
|
314 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
315 | } |
|
|
316 | |
|
|
317 | static aio_req |
|
|
318 | SvAIO_REQ (SV *sv) |
311 | { |
319 | { |
312 | MAGIC *mg; |
320 | MAGIC *mg; |
313 | |
321 | |
314 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
322 | if (!SvROK (sv) |
|
|
323 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
324 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
325 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
326 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
315 | croak ("object of class " AIO_REQ_KLASS " expected"); |
327 | croak ("object of class IO::AIO::REQ expected"); |
316 | |
328 | |
317 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
329 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
318 | |
330 | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
331 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
332 | } |
321 | |
333 | |
|
|
334 | static aio_wd |
|
|
335 | SvAIO_WD (SV *sv) |
|
|
336 | { |
|
|
337 | if (!SvROK (sv) |
|
|
338 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
339 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
340 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
341 | |
|
|
342 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
343 | } |
|
|
344 | |
|
|
345 | static SV * |
|
|
346 | newmortalFH (int fd, int flags) |
|
|
347 | { |
|
|
348 | if (fd < 0) |
|
|
349 | return &PL_sv_undef; |
|
|
350 | |
|
|
351 | GV *gv = (GV *)sv_newmortal (); |
|
|
352 | char sym[64]; |
|
|
353 | int symlen; |
|
|
354 | |
|
|
355 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
356 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
357 | |
|
|
358 | symlen = snprintf ( |
|
|
359 | sym, |
|
|
360 | sizeof (sym), |
|
|
361 | "%s&=%d", |
|
|
362 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
363 | fd |
|
|
364 | ); |
|
|
365 | |
|
|
366 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
367 | ? (SV *)gv : &PL_sv_undef; |
|
|
368 | } |
|
|
369 | |
|
|
370 | static void |
322 | static void aio_grp_feed (aio_req grp) |
371 | aio_grp_feed (aio_req grp) |
323 | { |
372 | { |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
373 | if (grp->sv2 && SvOK (grp->sv2)) |
325 | { |
374 | { |
326 | int old_len = grp->length; |
|
|
327 | |
|
|
328 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
329 | { |
|
|
330 | dSP; |
375 | dSP; |
331 | |
376 | |
332 | ENTER; |
377 | ENTER; |
333 | SAVETMPS; |
378 | SAVETMPS; |
334 | PUSHMARK (SP); |
379 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
380 | XPUSHs (req_sv (grp, aio_grp_stash)); |
336 | PUTBACK; |
381 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
382 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
383 | SPAGAIN; |
339 | FREETMPS; |
384 | FREETMPS; |
340 | LEAVE; |
385 | LEAVE; |
341 | } |
|
|
342 | |
|
|
343 | /* stop if no progress has been made */ |
|
|
344 | if (old_len == grp->length) |
|
|
345 | { |
|
|
346 | SvREFCNT_dec (grp->fh2); |
|
|
347 | grp->fh2 = 0; |
|
|
348 | break; |
|
|
349 | } |
|
|
350 | } |
386 | } |
351 | } |
387 | } |
352 | |
388 | |
353 | static void aio_grp_dec (aio_req grp) |
389 | static void |
|
|
390 | req_submit (eio_req *req) |
354 | { |
391 | { |
355 | --grp->length; |
392 | eio_submit (req); |
356 | |
393 | |
357 | /* call feeder, if applicable */ |
394 | if (expect_false (on_next_submit)) |
358 | aio_grp_feed (grp); |
|
|
359 | |
|
|
360 | /* finish, if done */ |
|
|
361 | if (!grp->length && grp->fd) |
|
|
362 | { |
395 | { |
363 | req_invoke (grp); |
396 | dSP; |
364 | req_free (grp); |
397 | SV *cb = sv_2mortal (on_next_submit); |
|
|
398 | |
|
|
399 | on_next_submit = 0; |
|
|
400 | |
|
|
401 | PUSHMARK (SP); |
|
|
402 | PUTBACK; |
|
|
403 | call_sv (cb, G_DISCARD | G_EVAL); |
365 | } |
404 | } |
366 | } |
405 | } |
367 | |
406 | |
|
|
407 | static int |
368 | static void req_invoke (aio_req req) |
408 | req_invoke (eio_req *req) |
369 | { |
409 | { |
370 | dSP; |
410 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
411 | SvREADONLY_off (req->sv2); |
371 | |
412 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
413 | if (!EIO_CANCELLED (req) && req->callback) |
373 | { |
414 | { |
|
|
415 | dSP; |
|
|
416 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
417 | SV *sv_result; |
|
|
418 | |
374 | ENTER; |
419 | ENTER; |
375 | SAVETMPS; |
420 | SAVETMPS; |
376 | PUSHMARK (SP); |
421 | PUSHMARK (SP); |
377 | EXTEND (SP, 1); |
422 | EXTEND (SP, 1); |
378 | |
423 | |
|
|
424 | /* do not recreate the result IV from scratch each time */ |
|
|
425 | if (expect_true (sv_result_cache)) |
|
|
426 | { |
|
|
427 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
428 | SvIV_set (sv_result, req->result); |
|
|
429 | SvIOK_only (sv_result); |
|
|
430 | } |
|
|
431 | else |
|
|
432 | { |
|
|
433 | sv_result = newSViv (req->result); |
|
|
434 | SvREADONLY_on (sv_result); |
|
|
435 | } |
|
|
436 | |
379 | switch (req->type) |
437 | switch (req->type) |
380 | { |
438 | { |
|
|
439 | case EIO_WD_OPEN: |
|
|
440 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
441 | break; |
|
|
442 | |
381 | case REQ_READDIR: |
443 | case EIO_READDIR: |
382 | { |
444 | { |
383 | SV *rv = &PL_sv_undef; |
445 | SV *rv = &PL_sv_undef; |
384 | |
446 | |
385 | if (req->result >= 0) |
447 | if (req->result >= 0) |
386 | { |
448 | { |
387 | int i; |
449 | int i; |
388 | char *buf = req->data2ptr; |
450 | char *names = (char *)req->ptr2; |
|
|
451 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
389 | AV *av = newAV (); |
452 | AV *av = newAV (); |
390 | |
453 | |
391 | av_extend (av, req->result - 1); |
454 | av_extend (av, req->result - 1); |
392 | |
455 | |
393 | for (i = 0; i < req->result; ++i) |
456 | for (i = 0; i < req->result; ++i) |
394 | { |
457 | { |
395 | SV *sv = newSVpv (buf, 0); |
458 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
459 | { |
|
|
460 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
396 | |
461 | |
|
|
462 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
463 | { |
|
|
464 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
465 | AV *avent = newAV (); |
|
|
466 | |
|
|
467 | av_extend (avent, 2); |
|
|
468 | |
|
|
469 | if (!sv_type [ent->type]) |
|
|
470 | { |
|
|
471 | sv_type [ent->type] = newSViv (ent->type); |
|
|
472 | SvREADONLY_on (sv_type [ent->type]); |
|
|
473 | } |
|
|
474 | |
|
|
475 | av_store (avent, 0, namesv); |
|
|
476 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
477 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
478 | |
|
|
479 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
480 | } |
|
|
481 | else |
397 | av_store (av, i, sv); |
482 | av_store (av, i, namesv); |
|
|
483 | |
|
|
484 | ++ent; |
|
|
485 | } |
|
|
486 | else |
|
|
487 | { |
|
|
488 | SV *name = newSVpv (names, 0); |
|
|
489 | av_store (av, i, name); |
398 | buf += SvCUR (sv) + 1; |
490 | names += SvCUR (name) + 1; |
|
|
491 | } |
399 | } |
492 | } |
400 | |
493 | |
401 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
494 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
402 | } |
495 | } |
403 | |
496 | |
404 | PUSHs (rv); |
497 | PUSHs (rv); |
|
|
498 | |
|
|
499 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
500 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
405 | } |
501 | } |
406 | break; |
502 | break; |
407 | |
503 | |
408 | case REQ_OPEN: |
504 | case EIO_OPEN: |
|
|
505 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
506 | break; |
|
|
507 | |
|
|
508 | case EIO_STATVFS: |
|
|
509 | case EIO_FSTATVFS: |
409 | { |
510 | { |
410 | /* convert fd to fh */ |
511 | SV *rv = &PL_sv_undef; |
411 | SV *fh; |
512 | |
|
|
513 | #ifndef _WIN32 |
|
|
514 | if (req->result >= 0) |
|
|
515 | { |
|
|
516 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
517 | HV *hv = newHV (); |
|
|
518 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
519 | * chooses to make it a struct. |
|
|
520 | */ |
|
|
521 | unsigned long fsid = 0; |
|
|
522 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
412 | |
523 | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
524 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
414 | PUTBACK; |
|
|
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
416 | SPAGAIN; |
|
|
417 | |
525 | |
418 | fh = SvREFCNT_inc (POPs); |
526 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
527 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
528 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
529 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
530 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
531 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
532 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
533 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
534 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
535 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
536 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
537 | } |
|
|
538 | #endif |
419 | |
539 | |
420 | PUSHMARK (SP); |
540 | PUSHs (rv); |
421 | XPUSHs (sv_2mortal (fh)); |
|
|
422 | } |
541 | } |
|
|
542 | |
423 | break; |
543 | break; |
424 | |
544 | |
425 | case REQ_GROUP: |
545 | case EIO_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
546 | req->int1 = 2; /* mark group as finished */ |
427 | |
547 | |
428 | if (req->data) |
548 | if (req->sv1) |
429 | { |
549 | { |
430 | int i; |
550 | int i; |
431 | AV *av = (AV *)req->data; |
551 | AV *av = (AV *)req->sv1; |
432 | |
552 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
553 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
554 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
555 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
556 | } |
437 | break; |
557 | break; |
438 | |
558 | |
439 | case REQ_NOP: |
559 | case EIO_NOP: |
440 | case REQ_BUSY: |
560 | case EIO_BUSY: |
441 | break; |
561 | break; |
442 | |
562 | |
|
|
563 | case EIO_READLINK: |
|
|
564 | case EIO_REALPATH: |
|
|
565 | if (req->result > 0) |
|
|
566 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
567 | break; |
|
|
568 | |
|
|
569 | case EIO_STAT: |
|
|
570 | case EIO_LSTAT: |
|
|
571 | case EIO_FSTAT: |
|
|
572 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
573 | |
|
|
574 | if (!(PL_laststatval = req->result)) |
|
|
575 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
576 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
577 | |
|
|
578 | PUSHs (sv_result); |
|
|
579 | break; |
|
|
580 | |
|
|
581 | case EIO_SEEK: |
|
|
582 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
583 | break; |
|
|
584 | |
|
|
585 | case EIO_READ: |
|
|
586 | { |
|
|
587 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
588 | *SvEND (req->sv2) = 0; |
|
|
589 | SvPOK_only (req->sv2); |
|
|
590 | SvSETMAGIC (req->sv2); |
|
|
591 | PUSHs (sv_result); |
|
|
592 | } |
|
|
593 | break; |
|
|
594 | |
|
|
595 | case EIO_CUSTOM: |
|
|
596 | if (req->feed == fiemap) |
|
|
597 | { |
|
|
598 | #if HAVE_FIEMAP |
|
|
599 | if (!req->result) |
|
|
600 | { |
|
|
601 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
602 | |
|
|
603 | if (fiemap->fm_extent_count) |
|
|
604 | { |
|
|
605 | AV *av = newAV (); |
|
|
606 | int i; |
|
|
607 | |
|
|
608 | while (fiemap->fm_mapped_extents) |
|
|
609 | { |
|
|
610 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
611 | AV *ext_av = newAV (); |
|
|
612 | |
|
|
613 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
614 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
615 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
616 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
617 | |
|
|
618 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
619 | } |
|
|
620 | |
|
|
621 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
622 | } |
|
|
623 | else |
|
|
624 | { |
|
|
625 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
626 | PUSHs (sv_result); |
|
|
627 | } |
|
|
628 | } |
|
|
629 | #endif |
|
|
630 | } |
|
|
631 | else |
|
|
632 | PUSHs (sv_result); |
|
|
633 | break; |
|
|
634 | |
|
|
635 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
636 | if (req->result > 0) |
|
|
637 | SvIV_set (sv_result, 0); |
|
|
638 | /* FALLTHROUGH */ |
|
|
639 | |
443 | default: |
640 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
641 | PUSHs (sv_result); |
445 | break; |
642 | break; |
446 | } |
643 | } |
447 | |
644 | |
448 | errno = req->errorno; |
645 | errno = req->errorno; |
449 | |
646 | |
450 | PUTBACK; |
647 | PUTBACK; |
451 | call_sv (req->callback, G_VOID | G_EVAL); |
648 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
452 | SPAGAIN; |
649 | SPAGAIN; |
|
|
650 | |
|
|
651 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
652 | SvREFCNT_dec (sv_result); |
|
|
653 | else |
|
|
654 | sv_result_cache = sv_result; |
453 | |
655 | |
454 | FREETMPS; |
656 | FREETMPS; |
455 | LEAVE; |
657 | LEAVE; |
|
|
658 | |
|
|
659 | PUTBACK; |
456 | } |
660 | } |
457 | |
661 | |
458 | if (req->grp) |
662 | return !!SvTRUE (ERRSV); |
459 | { |
|
|
460 | aio_req grp = req->grp; |
|
|
461 | |
|
|
462 | /* unlink request */ |
|
|
463 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
464 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
465 | |
|
|
466 | if (grp->grp_first == req) |
|
|
467 | grp->grp_first = req->grp_next; |
|
|
468 | |
|
|
469 | aio_grp_dec (grp); |
|
|
470 | } |
|
|
471 | |
|
|
472 | if (SvTRUE (ERRSV)) |
|
|
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
663 | } |
478 | |
664 | |
479 | static void req_free (aio_req req) |
665 | static void |
|
|
666 | req_destroy (aio_req req) |
480 | { |
667 | { |
481 | if (req->self) |
668 | if (req->self) |
482 | { |
669 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
670 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
671 | SvREFCNT_dec (req->self); |
485 | } |
672 | } |
486 | |
673 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
674 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
675 | SvREFCNT_dec (req->sv2); |
|
|
676 | SvREFCNT_dec (req->sv3); |
|
|
677 | SvREFCNT_dec (req->sv4); |
490 | SvREFCNT_dec (req->callback); |
678 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
679 | |
493 | if (req->type == REQ_READDIR) |
|
|
494 | free (req->data2ptr); |
|
|
495 | |
|
|
496 | Safefree (req); |
680 | free (req); |
497 | } |
681 | } |
498 | |
682 | |
|
|
683 | static void |
499 | static void req_cancel_subs (aio_req grp) |
684 | req_cancel_subs (aio_req grp) |
500 | { |
685 | { |
501 | aio_req sub; |
|
|
502 | |
|
|
503 | if (grp->type != REQ_GROUP) |
686 | if (grp->type != EIO_GROUP) |
504 | return; |
687 | return; |
505 | |
688 | |
506 | SvREFCNT_dec (grp->fh2); |
689 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
690 | grp->sv2 = 0; |
508 | |
691 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
692 | eio_grp_cancel (grp); |
510 | req_cancel (sub); |
|
|
511 | } |
693 | } |
512 | |
694 | |
513 | static void req_cancel (aio_req req) |
695 | static void ecb_cold |
|
|
696 | create_respipe (void) |
514 | { |
697 | { |
515 | req->flags |= FLAG_CANCELLED; |
698 | if (s_epipe_renew (&respipe)) |
516 | |
699 | croak ("IO::AIO: unable to initialize result pipe"); |
517 | req_cancel_subs (req); |
|
|
518 | } |
700 | } |
519 | |
701 | |
520 | static void *aio_proc(void *arg); |
702 | static void |
521 | |
703 | poll_wait (void) |
522 | static void start_thread (void) |
|
|
523 | { |
704 | { |
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
528 | |
|
|
529 | if (!wrk) |
|
|
530 | croak ("unable to allocate worker thread data"); |
|
|
531 | |
|
|
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
|
|
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
|
|
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
545 | { |
|
|
546 | wrk->prev = &wrk_first; |
|
|
547 | wrk->next = wrk_first.next; |
|
|
548 | wrk_first.next->prev = wrk; |
|
|
549 | wrk_first.next = wrk; |
|
|
550 | ++started; |
|
|
551 | } |
|
|
552 | else |
|
|
553 | free (wrk); |
|
|
554 | |
|
|
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
|
|
557 | } |
|
|
558 | |
|
|
559 | static void maybe_start_thread () |
|
|
560 | { |
|
|
561 | #if 0 |
|
|
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
|
|
568 | |
|
|
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
|
|
591 | } |
|
|
592 | |
|
|
593 | static void req_send (aio_req req) |
|
|
594 | { |
|
|
595 | ++nreqs; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | ++nready; |
|
|
599 | reqq_push (&req_queue, req); |
|
|
600 | pthread_cond_signal (&reqwait); |
|
|
601 | UNLOCK (reqlock); |
|
|
602 | |
|
|
603 | maybe_start_thread (); |
|
|
604 | } |
|
|
605 | |
|
|
606 | static void end_thread (void) |
|
|
607 | { |
|
|
608 | aio_req req; |
|
|
609 | |
|
|
610 | Newz (0, req, 1, aio_cb); |
|
|
611 | |
|
|
612 | req->type = REQ_QUIT; |
|
|
613 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
614 | |
|
|
615 | req_send (req); |
|
|
616 | |
|
|
617 | LOCK (wrklock); |
|
|
618 | --started; |
|
|
619 | UNLOCK (wrklock); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void min_parallel (int nthreads) |
|
|
623 | { |
|
|
624 | if (wanted < nthreads) |
|
|
625 | wanted = nthreads; |
|
|
626 | } |
|
|
627 | |
|
|
628 | static void max_parallel (int nthreads) |
|
|
629 | { |
|
|
630 | if (wanted > nthreads) |
|
|
631 | wanted = nthreads; |
|
|
632 | |
|
|
633 | while (started > wanted) |
|
|
634 | end_thread (); |
|
|
635 | } |
|
|
636 | |
|
|
637 | static void poll_wait () |
|
|
638 | { |
|
|
639 | fd_set rfd; |
|
|
640 | |
|
|
641 | while (nreqs) |
705 | while (eio_nreqs ()) |
642 | { |
706 | { |
643 | int size; |
707 | int size; |
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
708 | |
|
|
709 | X_LOCK (EIO_POOL->reslock); |
645 | size = res_queue.size; |
710 | size = EIO_POOL->res_queue.size; |
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
711 | X_UNLOCK (EIO_POOL->reslock); |
647 | |
712 | |
648 | if (size) |
713 | if (size) |
649 | return; |
714 | return; |
650 | |
715 | |
651 | maybe_start_thread (); |
716 | etp_maybe_start_thread (EIO_POOL); |
652 | |
717 | |
653 | FD_ZERO(&rfd); |
718 | s_epipe_wait (&respipe); |
654 | FD_SET(respipe [0], &rfd); |
|
|
655 | |
|
|
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
657 | } |
719 | } |
658 | } |
720 | } |
659 | |
721 | |
660 | static int poll_cb (int max) |
722 | static int |
|
|
723 | poll_cb (void) |
661 | { |
724 | { |
662 | dSP; |
|
|
663 | int count = 0; |
|
|
664 | int do_croak = 0; |
|
|
665 | aio_req req; |
|
|
666 | |
|
|
667 | for (;;) |
725 | for (;;) |
668 | { |
726 | { |
669 | while (max <= 0 || count < max) |
727 | int res = eio_poll (); |
|
|
728 | |
|
|
729 | if (res > 0) |
|
|
730 | croak (0); |
|
|
731 | |
|
|
732 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
733 | return res; |
|
|
734 | |
|
|
735 | poll_wait (); |
|
|
736 | } |
|
|
737 | } |
|
|
738 | |
|
|
739 | static void ecb_cold |
|
|
740 | reinit (void) |
|
|
741 | { |
|
|
742 | create_respipe (); |
|
|
743 | |
|
|
744 | if (eio_init (want_poll, done_poll) < 0) |
|
|
745 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
746 | } |
|
|
747 | |
|
|
748 | /*****************************************************************************/ |
|
|
749 | |
|
|
750 | #if !_POSIX_MAPPED_FILES |
|
|
751 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
752 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
753 | #endif |
|
|
754 | |
|
|
755 | #if !_POSIX_MEMORY_PROTECTION |
|
|
756 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
757 | #endif |
|
|
758 | |
|
|
759 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
760 | |
|
|
761 | static int ecb_cold |
|
|
762 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
763 | { |
|
|
764 | int old_errno = errno; |
|
|
765 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
766 | errno = old_errno; |
|
|
767 | |
|
|
768 | mg->mg_obj = 0; /* just in case */ |
|
|
769 | |
|
|
770 | SvREADONLY_off (sv); |
|
|
771 | |
|
|
772 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
773 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
774 | |
|
|
775 | SvCUR_set (sv, 0); |
|
|
776 | SvPVX (sv) = 0; |
|
|
777 | SvOK_off (sv); |
|
|
778 | |
|
|
779 | return 0; |
|
|
780 | } |
|
|
781 | |
|
|
782 | static MGVTBL mmap_vtbl = { |
|
|
783 | 0, 0, 0, 0, mmap_free |
|
|
784 | }; |
|
|
785 | |
|
|
786 | /*****************************************************************************/ |
|
|
787 | |
|
|
788 | static SV * |
|
|
789 | get_cb (SV *cb_sv) |
|
|
790 | { |
|
|
791 | SvGETMAGIC (cb_sv); |
|
|
792 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
793 | } |
|
|
794 | |
|
|
795 | static aio_req ecb_noinline |
|
|
796 | dreq (SV *callback) |
|
|
797 | { |
|
|
798 | SV *cb_cv; |
|
|
799 | aio_req req; |
|
|
800 | int req_pri = next_pri; |
|
|
801 | next_pri = EIO_PRI_DEFAULT; |
|
|
802 | |
|
|
803 | cb_cv = get_cb (callback); |
|
|
804 | |
|
|
805 | req = calloc (sizeof (*req), 1); |
|
|
806 | if (!req) |
|
|
807 | croak ("out of memory during eio_req allocation"); |
|
|
808 | |
|
|
809 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
810 | req->pri = req_pri; |
|
|
811 | |
|
|
812 | return req; |
|
|
813 | } |
|
|
814 | |
|
|
815 | #define dREQ \ |
|
|
816 | aio_req req = dreq (callback); \ |
|
|
817 | |
|
|
818 | #define REQ_SEND \ |
|
|
819 | PUTBACK; \ |
|
|
820 | req_submit (req); \ |
|
|
821 | SPAGAIN; \ |
|
|
822 | \ |
|
|
823 | if (GIMME_V != G_VOID) \ |
|
|
824 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
825 | |
|
|
826 | ecb_inline void |
|
|
827 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
828 | { |
|
|
829 | if (expect_false (SvROK (path))) |
|
|
830 | { |
|
|
831 | SV *rv = SvRV (path); |
|
|
832 | SV *wdob; |
|
|
833 | |
|
|
834 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
670 | { |
835 | { |
671 | maybe_start_thread (); |
836 | path = AvARRAY (rv)[1]; |
|
|
837 | wdob = AvARRAY (rv)[0]; |
672 | |
838 | |
673 | LOCK (reslock); |
839 | if (SvOK (wdob)) |
674 | req = reqq_shift (&res_queue); |
|
|
675 | |
|
|
676 | if (req) |
|
|
677 | { |
840 | { |
678 | --npending; |
841 | *wd = SvAIO_WD (wdob); |
679 | |
842 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
680 | if (!res_queue.size) |
|
|
681 | { |
|
|
682 | /* read any signals sent by the worker threads */ |
|
|
683 | char buf [32]; |
|
|
684 | while (read (respipe [0], buf, 32) == 32) |
|
|
685 | ; |
|
|
686 | } |
|
|
687 | } |
|
|
688 | |
|
|
689 | UNLOCK (reslock); |
|
|
690 | |
|
|
691 | if (!req) |
|
|
692 | break; |
|
|
693 | |
|
|
694 | --nreqs; |
|
|
695 | |
|
|
696 | if (req->type == REQ_GROUP && req->length) |
|
|
697 | { |
|
|
698 | req->fd = 1; /* mark request as delayed */ |
|
|
699 | continue; |
|
|
700 | } |
843 | } |
701 | else |
844 | else |
702 | { |
845 | *wd = EIO_INVALID_WD; |
703 | if (req->type == REQ_READ) |
|
|
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
|
|
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
712 | PL_laststatval = req->result; |
|
|
713 | PL_statcache = *(req->statdata); |
|
|
714 | } |
|
|
715 | |
|
|
716 | req_invoke (req); |
|
|
717 | |
|
|
718 | count++; |
|
|
719 | } |
|
|
720 | |
|
|
721 | req_free (req); |
|
|
722 | } |
846 | } |
|
|
847 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
848 | { |
|
|
849 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
850 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
851 | *ptr = "."; |
|
|
852 | return; /* path set to "." */ |
|
|
853 | } |
|
|
854 | else |
|
|
855 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
856 | } |
723 | |
857 | |
724 | if (nreqs <= max_outstanding) |
858 | *pathsv = newSVsv (path); |
|
|
859 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
860 | } |
|
|
861 | |
|
|
862 | static void ecb_noinline |
|
|
863 | req_set_path1 (aio_req req, SV *path) |
|
|
864 | { |
|
|
865 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
866 | } |
|
|
867 | |
|
|
868 | static void ecb_noinline |
|
|
869 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
870 | { |
|
|
871 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
872 | |
|
|
873 | switch (SvTYPE (rv)) |
|
|
874 | { |
|
|
875 | case SVt_PVIO: |
|
|
876 | case SVt_PVLV: |
|
|
877 | case SVt_PVGV: |
|
|
878 | req->type = type_fh; |
|
|
879 | req->sv1 = newSVsv (fh_or_path); |
|
|
880 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
725 | break; |
881 | break; |
726 | |
882 | |
727 | poll_wait (); |
883 | default: |
728 | |
884 | req->type = type_path; |
729 | max = 0; |
885 | req_set_path1 (req, fh_or_path); |
|
|
886 | break; |
730 | } |
887 | } |
731 | |
|
|
732 | return count; |
|
|
733 | } |
888 | } |
734 | |
889 | |
735 | static void create_pipe () |
890 | XS(boot_IO__AIO) ecb_cold; |
736 | { |
|
|
737 | if (pipe (respipe)) |
|
|
738 | croak ("unable to initialize result pipe"); |
|
|
739 | |
891 | |
740 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
741 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
742 | |
|
|
743 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
744 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
745 | } |
|
|
746 | |
|
|
747 | /*****************************************************************************/ |
|
|
748 | /* work around various missing functions */ |
|
|
749 | |
|
|
750 | #if !HAVE_PREADWRITE |
|
|
751 | # define pread aio_pread |
|
|
752 | # define pwrite aio_pwrite |
|
|
753 | |
|
|
754 | /* |
|
|
755 | * make our pread/pwrite safe against themselves, but not against |
|
|
756 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
757 | * but that's your problem, not mine. |
|
|
758 | */ |
|
|
759 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
760 | |
|
|
761 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
762 | { |
|
|
763 | ssize_t res; |
|
|
764 | off_t ooffset; |
|
|
765 | |
|
|
766 | LOCK (preadwritelock); |
|
|
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
768 | lseek (fd, offset, SEEK_SET); |
|
|
769 | res = read (fd, buf, count); |
|
|
770 | lseek (fd, ooffset, SEEK_SET); |
|
|
771 | UNLOCK (preadwritelock); |
|
|
772 | |
|
|
773 | return res; |
|
|
774 | } |
|
|
775 | |
|
|
776 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
777 | { |
|
|
778 | ssize_t res; |
|
|
779 | off_t ooffset; |
|
|
780 | |
|
|
781 | LOCK (preadwritelock); |
|
|
782 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
783 | lseek (fd, offset, SEEK_SET); |
|
|
784 | res = write (fd, buf, count); |
|
|
785 | lseek (fd, offset, SEEK_SET); |
|
|
786 | UNLOCK (preadwritelock); |
|
|
787 | |
|
|
788 | return res; |
|
|
789 | } |
|
|
790 | #endif |
|
|
791 | |
|
|
792 | #if !HAVE_FDATASYNC |
|
|
793 | # define fdatasync fsync |
|
|
794 | #endif |
|
|
795 | |
|
|
796 | #if !HAVE_READAHEAD |
|
|
797 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
798 | |
|
|
799 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
800 | { |
|
|
801 | dBUF; |
|
|
802 | |
|
|
803 | while (count > 0) |
|
|
804 | { |
|
|
805 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
806 | |
|
|
807 | pread (fd, aio_buf, len, offset); |
|
|
808 | offset += len; |
|
|
809 | count -= len; |
|
|
810 | } |
|
|
811 | |
|
|
812 | errno = 0; |
|
|
813 | } |
|
|
814 | |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | #if !HAVE_READDIR_R |
|
|
818 | # define readdir_r aio_readdir_r |
|
|
819 | |
|
|
820 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
821 | |
|
|
822 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
823 | { |
|
|
824 | struct dirent *e; |
|
|
825 | int errorno; |
|
|
826 | |
|
|
827 | LOCK (readdirlock); |
|
|
828 | |
|
|
829 | e = readdir (dirp); |
|
|
830 | errorno = errno; |
|
|
831 | |
|
|
832 | if (e) |
|
|
833 | { |
|
|
834 | *res = ent; |
|
|
835 | strcpy (ent->d_name, e->d_name); |
|
|
836 | } |
|
|
837 | else |
|
|
838 | *res = 0; |
|
|
839 | |
|
|
840 | UNLOCK (readdirlock); |
|
|
841 | |
|
|
842 | errno = errorno; |
|
|
843 | return e ? 0 : -1; |
|
|
844 | } |
|
|
845 | #endif |
|
|
846 | |
|
|
847 | /* sendfile always needs emulation */ |
|
|
848 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
849 | { |
|
|
850 | ssize_t res; |
|
|
851 | |
|
|
852 | if (!count) |
|
|
853 | return 0; |
|
|
854 | |
|
|
855 | #if HAVE_SENDFILE |
|
|
856 | # if __linux |
|
|
857 | res = sendfile (ofd, ifd, &offset, count); |
|
|
858 | |
|
|
859 | # elif __freebsd |
|
|
860 | /* |
|
|
861 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
862 | * wasted on making it similar to other I/O functions. |
|
|
863 | */ |
|
|
864 | { |
|
|
865 | off_t sbytes; |
|
|
866 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
867 | |
|
|
868 | if (res < 0 && sbytes) |
|
|
869 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
870 | res = sbytes; |
|
|
871 | } |
|
|
872 | |
|
|
873 | # elif __hpux |
|
|
874 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
875 | |
|
|
876 | # elif __solaris |
|
|
877 | { |
|
|
878 | struct sendfilevec vec; |
|
|
879 | size_t sbytes; |
|
|
880 | |
|
|
881 | vec.sfv_fd = ifd; |
|
|
882 | vec.sfv_flag = 0; |
|
|
883 | vec.sfv_off = offset; |
|
|
884 | vec.sfv_len = count; |
|
|
885 | |
|
|
886 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
887 | |
|
|
888 | if (res < 0 && sbytes) |
|
|
889 | res = sbytes; |
|
|
890 | } |
|
|
891 | |
|
|
892 | # endif |
|
|
893 | #else |
|
|
894 | res = -1; |
|
|
895 | errno = ENOSYS; |
|
|
896 | #endif |
|
|
897 | |
|
|
898 | if (res < 0 |
|
|
899 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
900 | #if __solaris |
|
|
901 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
902 | #endif |
|
|
903 | ) |
|
|
904 | ) |
|
|
905 | { |
|
|
906 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
907 | dBUF; |
|
|
908 | |
|
|
909 | res = 0; |
|
|
910 | |
|
|
911 | while (count) |
|
|
912 | { |
|
|
913 | ssize_t cnt; |
|
|
914 | |
|
|
915 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
916 | |
|
|
917 | if (cnt <= 0) |
|
|
918 | { |
|
|
919 | if (cnt && !res) res = -1; |
|
|
920 | break; |
|
|
921 | } |
|
|
922 | |
|
|
923 | cnt = write (ofd, aio_buf, cnt); |
|
|
924 | |
|
|
925 | if (cnt <= 0) |
|
|
926 | { |
|
|
927 | if (cnt && !res) res = -1; |
|
|
928 | break; |
|
|
929 | } |
|
|
930 | |
|
|
931 | offset += cnt; |
|
|
932 | res += cnt; |
|
|
933 | count -= cnt; |
|
|
934 | } |
|
|
935 | } |
|
|
936 | |
|
|
937 | return res; |
|
|
938 | } |
|
|
939 | |
|
|
940 | /* read a full directory */ |
|
|
941 | static void scandir_ (aio_req req, worker *self) |
|
|
942 | { |
|
|
943 | DIR *dirp; |
|
|
944 | union |
|
|
945 | { |
|
|
946 | struct dirent d; |
|
|
947 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
948 | } *u; |
|
|
949 | struct dirent *entp; |
|
|
950 | char *name, *names; |
|
|
951 | int memlen = 4096; |
|
|
952 | int memofs = 0; |
|
|
953 | int res = 0; |
|
|
954 | int errorno; |
|
|
955 | |
|
|
956 | LOCK (wrklock); |
|
|
957 | self->dirp = dirp = opendir (req->dataptr); |
|
|
958 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
959 | req->data2ptr = names = malloc (memlen); |
|
|
960 | UNLOCK (wrklock); |
|
|
961 | |
|
|
962 | if (dirp && u && names) |
|
|
963 | for (;;) |
|
|
964 | { |
|
|
965 | errno = 0; |
|
|
966 | readdir_r (dirp, &u->d, &entp); |
|
|
967 | |
|
|
968 | if (!entp) |
|
|
969 | break; |
|
|
970 | |
|
|
971 | name = entp->d_name; |
|
|
972 | |
|
|
973 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
974 | { |
|
|
975 | int len = strlen (name) + 1; |
|
|
976 | |
|
|
977 | res++; |
|
|
978 | |
|
|
979 | while (memofs + len > memlen) |
|
|
980 | { |
|
|
981 | memlen *= 2; |
|
|
982 | LOCK (wrklock); |
|
|
983 | req->data2ptr = names = realloc (names, memlen); |
|
|
984 | UNLOCK (wrklock); |
|
|
985 | |
|
|
986 | if (!names) |
|
|
987 | break; |
|
|
988 | } |
|
|
989 | |
|
|
990 | memcpy (names + memofs, name, len); |
|
|
991 | memofs += len; |
|
|
992 | } |
|
|
993 | } |
|
|
994 | |
|
|
995 | if (errno) |
|
|
996 | res = -1; |
|
|
997 | |
|
|
998 | req->result = res; |
|
|
999 | } |
|
|
1000 | |
|
|
1001 | /*****************************************************************************/ |
|
|
1002 | |
|
|
1003 | static void *aio_proc (void *thr_arg) |
|
|
1004 | { |
|
|
1005 | aio_req req; |
|
|
1006 | worker *self = (worker *)thr_arg; |
|
|
1007 | |
|
|
1008 | for (;;) |
|
|
1009 | { |
|
|
1010 | LOCK (reqlock); |
|
|
1011 | |
|
|
1012 | for (;;) |
|
|
1013 | { |
|
|
1014 | self->req = req = reqq_shift (&req_queue); |
|
|
1015 | |
|
|
1016 | if (req) |
|
|
1017 | break; |
|
|
1018 | |
|
|
1019 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | --nready; |
|
|
1023 | |
|
|
1024 | UNLOCK (reqlock); |
|
|
1025 | |
|
|
1026 | errno = 0; /* strictly unnecessary */ |
|
|
1027 | |
|
|
1028 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1029 | switch (req->type) |
|
|
1030 | { |
|
|
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1033 | |
|
|
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1036 | |
|
|
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1040 | |
|
|
1041 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1042 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1048 | |
|
|
1049 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1050 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1051 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1052 | |
|
|
1053 | case REQ_BUSY: |
|
|
1054 | { |
|
|
1055 | struct timeval tv; |
|
|
1056 | |
|
|
1057 | tv.tv_sec = req->fd; |
|
|
1058 | tv.tv_usec = req->fd2; |
|
|
1059 | |
|
|
1060 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1061 | } |
|
|
1062 | |
|
|
1063 | case REQ_GROUP: |
|
|
1064 | case REQ_NOP: |
|
|
1065 | break; |
|
|
1066 | |
|
|
1067 | case REQ_QUIT: |
|
|
1068 | LOCK (wrklock); |
|
|
1069 | worker_free (self); |
|
|
1070 | --started; |
|
|
1071 | UNLOCK (wrklock); |
|
|
1072 | return 0; |
|
|
1073 | |
|
|
1074 | default: |
|
|
1075 | req->result = ENOSYS; |
|
|
1076 | break; |
|
|
1077 | } |
|
|
1078 | |
|
|
1079 | req->errorno = errno; |
|
|
1080 | |
|
|
1081 | LOCK (reslock); |
|
|
1082 | |
|
|
1083 | ++npending; |
|
|
1084 | |
|
|
1085 | if (!reqq_push (&res_queue, req)) |
|
|
1086 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1087 | write (respipe [1], &respipe, 1); |
|
|
1088 | |
|
|
1089 | self->req = 0; |
|
|
1090 | worker_clear (self); |
|
|
1091 | |
|
|
1092 | UNLOCK (reslock); |
|
|
1093 | } |
|
|
1094 | } |
|
|
1095 | |
|
|
1096 | /*****************************************************************************/ |
|
|
1097 | |
|
|
1098 | static void atfork_prepare (void) |
|
|
1099 | { |
|
|
1100 | LOCK (wrklock); |
|
|
1101 | LOCK (reqlock); |
|
|
1102 | LOCK (reslock); |
|
|
1103 | #if !HAVE_PREADWRITE |
|
|
1104 | LOCK (preadwritelock); |
|
|
1105 | #endif |
|
|
1106 | #if !HAVE_READDIR_R |
|
|
1107 | LOCK (readdirlock); |
|
|
1108 | #endif |
|
|
1109 | } |
|
|
1110 | |
|
|
1111 | static void atfork_parent (void) |
|
|
1112 | { |
|
|
1113 | #if !HAVE_READDIR_R |
|
|
1114 | UNLOCK (readdirlock); |
|
|
1115 | #endif |
|
|
1116 | #if !HAVE_PREADWRITE |
|
|
1117 | UNLOCK (preadwritelock); |
|
|
1118 | #endif |
|
|
1119 | UNLOCK (reslock); |
|
|
1120 | UNLOCK (reqlock); |
|
|
1121 | UNLOCK (wrklock); |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | static void atfork_child (void) |
|
|
1125 | { |
|
|
1126 | aio_req prv; |
|
|
1127 | |
|
|
1128 | while (prv = reqq_shift (&req_queue)) |
|
|
1129 | req_free (prv); |
|
|
1130 | |
|
|
1131 | while (prv = reqq_shift (&res_queue)) |
|
|
1132 | req_free (prv); |
|
|
1133 | |
|
|
1134 | while (wrk_first.next != &wrk_first) |
|
|
1135 | { |
|
|
1136 | worker *wrk = wrk_first.next; |
|
|
1137 | |
|
|
1138 | if (wrk->req) |
|
|
1139 | req_free (wrk->req); |
|
|
1140 | |
|
|
1141 | worker_clear (wrk); |
|
|
1142 | worker_free (wrk); |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | started = 0; |
|
|
1146 | nreqs = 0; |
|
|
1147 | |
|
|
1148 | close (respipe [0]); |
|
|
1149 | close (respipe [1]); |
|
|
1150 | create_pipe (); |
|
|
1151 | |
|
|
1152 | atfork_parent (); |
|
|
1153 | } |
|
|
1154 | |
|
|
1155 | #define dREQ \ |
|
|
1156 | aio_req req; \ |
|
|
1157 | int req_pri = next_pri; \ |
|
|
1158 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1159 | \ |
|
|
1160 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1161 | croak ("callback must be undef or of reference type"); \ |
|
|
1162 | \ |
|
|
1163 | Newz (0, req, 1, aio_cb); \ |
|
|
1164 | if (!req) \ |
|
|
1165 | croak ("out of memory during aio_req allocation"); \ |
|
|
1166 | \ |
|
|
1167 | req->callback = newSVsv (callback); \ |
|
|
1168 | req->pri = req_pri |
|
|
1169 | |
|
|
1170 | #define REQ_SEND \ |
|
|
1171 | req_send (req); \ |
|
|
1172 | \ |
|
|
1173 | if (GIMME_V != G_VOID) \ |
|
|
1174 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1175 | |
|
|
1176 | MODULE = IO::AIO PACKAGE = IO::AIO |
892 | MODULE = IO::AIO PACKAGE = IO::AIO |
1177 | |
893 | |
1178 | PROTOTYPES: ENABLE |
894 | PROTOTYPES: ENABLE |
1179 | |
895 | |
1180 | BOOT: |
896 | BOOT: |
1181 | { |
897 | { |
|
|
898 | static const struct { |
|
|
899 | const char *name; |
|
|
900 | IV iv; |
|
|
901 | } *civ, const_iv[] = { |
|
|
902 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
903 | # define const_iv(name) { # name, (IV) name }, |
|
|
904 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
905 | |
|
|
906 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
907 | /* the first block can be undef if missing */ |
|
|
908 | const_iv (ENOSYS) |
|
|
909 | const_iv (EXDEV) |
|
|
910 | const_iv (EBADR) |
|
|
911 | |
|
|
912 | /* for lseek */ |
|
|
913 | const_iv (SEEK_DATA) |
|
|
914 | const_iv (SEEK_HOLE) |
|
|
915 | |
|
|
916 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
917 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
918 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
919 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
920 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
921 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
922 | |
|
|
923 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
924 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
925 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
926 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
927 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
928 | const_niv (MADV_FREE , POSIX_MADV_FREE) |
|
|
929 | |
|
|
930 | /* the second block will be 0 when missing */ |
|
|
931 | const_iv (O_RDONLY) |
|
|
932 | const_iv (O_WRONLY) |
|
|
933 | const_iv (O_RDWR) |
|
|
934 | const_iv (O_CREAT) |
|
|
935 | const_iv (O_TRUNC) |
|
|
936 | const_iv (O_EXCL) |
|
|
937 | const_iv (O_APPEND) |
|
|
938 | |
|
|
939 | const_iv (O_ASYNC) |
|
|
940 | const_iv (O_DIRECT) |
|
|
941 | const_iv (O_NOATIME) |
|
|
942 | |
|
|
943 | const_iv (O_CLOEXEC) |
|
|
944 | const_iv (O_NOCTTY) |
|
|
945 | const_iv (O_NOFOLLOW) |
|
|
946 | const_iv (O_NONBLOCK) |
|
|
947 | const_iv (O_EXEC) |
|
|
948 | const_iv (O_SEARCH) |
|
|
949 | const_iv (O_DIRECTORY) |
|
|
950 | const_iv (O_DSYNC) |
|
|
951 | const_iv (O_RSYNC) |
|
|
952 | const_iv (O_SYNC) |
|
|
953 | const_iv (O_PATH) |
|
|
954 | const_iv (O_TMPFILE) |
|
|
955 | const_iv (O_TTY_INIT) |
|
|
956 | |
|
|
957 | const_iv (S_IFIFO) |
|
|
958 | const_iv (S_IFCHR) |
|
|
959 | const_iv (S_IFBLK) |
|
|
960 | const_iv (S_IFLNK) |
|
|
961 | const_iv (S_IFREG) |
|
|
962 | const_iv (S_IFDIR) |
|
|
963 | const_iv (S_IFWHT) |
|
|
964 | const_iv (S_IFSOCK) |
|
|
965 | const_iv (S_IFMT) |
|
|
966 | |
|
|
967 | const_iv (ST_RDONLY) |
|
|
968 | const_iv (ST_NOSUID) |
|
|
969 | const_iv (ST_NODEV) |
|
|
970 | const_iv (ST_NOEXEC) |
|
|
971 | const_iv (ST_SYNCHRONOUS) |
|
|
972 | const_iv (ST_MANDLOCK) |
|
|
973 | const_iv (ST_WRITE) |
|
|
974 | const_iv (ST_APPEND) |
|
|
975 | const_iv (ST_IMMUTABLE) |
|
|
976 | const_iv (ST_NOATIME) |
|
|
977 | const_iv (ST_NODIRATIME) |
|
|
978 | const_iv (ST_RELATIME) |
|
|
979 | |
|
|
980 | const_iv (PROT_NONE) |
|
|
981 | const_iv (PROT_EXEC) |
|
|
982 | const_iv (PROT_READ) |
|
|
983 | const_iv (PROT_WRITE) |
|
|
984 | |
|
|
985 | const_iv (MAP_PRIVATE) |
|
|
986 | const_iv (MAP_SHARED) |
|
|
987 | const_iv (MAP_FIXED) |
|
|
988 | const_iv (MAP_ANONYMOUS) |
|
|
989 | |
|
|
990 | /* linuxish */ |
|
|
991 | const_iv (MAP_LOCKED) |
|
|
992 | const_iv (MAP_NORESERVE) |
|
|
993 | const_iv (MAP_POPULATE) |
|
|
994 | const_iv (MAP_NONBLOCK) |
|
|
995 | const_iv (MAP_GROWSDOWN) |
|
|
996 | const_iv (MAP_32BIT) |
|
|
997 | const_iv (MAP_HUGETLB) |
|
|
998 | const_iv (MAP_STACK) |
|
|
999 | |
|
|
1000 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1001 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1002 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1003 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1004 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1005 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1006 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1007 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1008 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1009 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1010 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1011 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1012 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1013 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1014 | |
|
|
1015 | const_iv (SPLICE_F_MOVE) |
|
|
1016 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1017 | const_iv (SPLICE_F_MORE) |
|
|
1018 | const_iv (SPLICE_F_GIFT) |
|
|
1019 | |
|
|
1020 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1021 | const_eio (SEEK_SET) |
|
|
1022 | const_eio (SEEK_CUR) |
|
|
1023 | const_eio (SEEK_END) |
|
|
1024 | |
|
|
1025 | const_eio (MCL_FUTURE) |
|
|
1026 | const_eio (MCL_CURRENT) |
|
|
1027 | |
|
|
1028 | const_eio (MS_ASYNC) |
|
|
1029 | const_eio (MS_INVALIDATE) |
|
|
1030 | const_eio (MS_SYNC) |
|
|
1031 | |
|
|
1032 | const_eio (MT_MODIFY) |
|
|
1033 | |
|
|
1034 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1035 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1036 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1037 | |
|
|
1038 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1039 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1040 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1041 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1042 | |
|
|
1043 | const_eio (READDIR_DENTS) |
|
|
1044 | const_eio (READDIR_DIRS_FIRST) |
|
|
1045 | const_eio (READDIR_STAT_ORDER) |
|
|
1046 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1047 | |
|
|
1048 | const_eio (DT_UNKNOWN) |
|
|
1049 | const_eio (DT_FIFO) |
|
|
1050 | const_eio (DT_CHR) |
|
|
1051 | const_eio (DT_DIR) |
|
|
1052 | const_eio (DT_BLK) |
|
|
1053 | const_eio (DT_REG) |
|
|
1054 | const_eio (DT_LNK) |
|
|
1055 | const_eio (DT_SOCK) |
|
|
1056 | const_eio (DT_WHT) |
|
|
1057 | }; |
|
|
1058 | |
1182 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1059 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
1183 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1060 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1184 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1061 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1185 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1062 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1186 | |
1063 | |
1187 | create_pipe (); |
1064 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1188 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1065 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1189 | |
1066 | |
1190 | start_thread (); |
1067 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1191 | } |
|
|
1192 | |
1068 | |
|
|
1069 | reinit (); |
|
|
1070 | } |
|
|
1071 | |
1193 | void |
1072 | void |
1194 | min_parallel (int nthreads) |
1073 | reinit () |
1195 | PROTOTYPE: $ |
1074 | PROTOTYPE: |
1196 | |
1075 | |
1197 | void |
1076 | void |
1198 | max_parallel (int nthreads) |
1077 | max_poll_reqs (unsigned int nreqs) |
1199 | PROTOTYPE: $ |
|
|
1200 | |
|
|
1201 | int |
|
|
1202 | max_outstanding (int maxreqs) |
|
|
1203 | PROTOTYPE: $ |
1078 | PROTOTYPE: $ |
1204 | CODE: |
1079 | CODE: |
1205 | RETVAL = max_outstanding; |
1080 | eio_set_max_poll_reqs (nreqs); |
|
|
1081 | |
|
|
1082 | void |
|
|
1083 | max_poll_time (double nseconds) |
|
|
1084 | PROTOTYPE: $ |
|
|
1085 | CODE: |
|
|
1086 | eio_set_max_poll_time (nseconds); |
|
|
1087 | |
|
|
1088 | void |
|
|
1089 | min_parallel (unsigned int nthreads) |
|
|
1090 | PROTOTYPE: $ |
|
|
1091 | CODE: |
|
|
1092 | eio_set_min_parallel (nthreads); |
|
|
1093 | |
|
|
1094 | void |
|
|
1095 | max_parallel (unsigned int nthreads) |
|
|
1096 | PROTOTYPE: $ |
|
|
1097 | CODE: |
|
|
1098 | eio_set_max_parallel (nthreads); |
|
|
1099 | |
|
|
1100 | void |
|
|
1101 | max_idle (unsigned int nthreads) |
|
|
1102 | PROTOTYPE: $ |
|
|
1103 | CODE: |
|
|
1104 | eio_set_max_idle (nthreads); |
|
|
1105 | |
|
|
1106 | void |
|
|
1107 | idle_timeout (unsigned int seconds) |
|
|
1108 | PROTOTYPE: $ |
|
|
1109 | CODE: |
|
|
1110 | eio_set_idle_timeout (seconds); |
|
|
1111 | |
|
|
1112 | void |
|
|
1113 | max_outstanding (unsigned int maxreqs) |
|
|
1114 | PROTOTYPE: $ |
|
|
1115 | CODE: |
1206 | max_outstanding = maxreqs; |
1116 | max_outstanding = maxreqs; |
1207 | OUTPUT: |
|
|
1208 | RETVAL |
|
|
1209 | |
1117 | |
1210 | void |
1118 | void |
1211 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1119 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1212 | SV * pathname |
|
|
1213 | int flags |
|
|
1214 | int mode |
|
|
1215 | SV * callback |
|
|
1216 | PROTOTYPE: $$$;$ |
|
|
1217 | PPCODE: |
1120 | PPCODE: |
1218 | { |
1121 | { |
1219 | dREQ; |
1122 | dREQ; |
1220 | |
1123 | |
1221 | req->type = REQ_OPEN; |
1124 | req->type = EIO_WD_OPEN; |
1222 | req->data = newSVsv (pathname); |
1125 | req_set_path1 (req, pathname); |
1223 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1224 | req->fd = flags; |
|
|
1225 | req->mode = mode; |
|
|
1226 | |
1126 | |
1227 | REQ_SEND; |
1127 | REQ_SEND; |
1228 | } |
1128 | } |
1229 | |
1129 | |
1230 | void |
1130 | void |
|
|
1131 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1132 | PPCODE: |
|
|
1133 | { |
|
|
1134 | dREQ; |
|
|
1135 | |
|
|
1136 | req->type = EIO_OPEN; |
|
|
1137 | req_set_path1 (req, pathname); |
|
|
1138 | req->int1 = flags; |
|
|
1139 | req->int2 = mode; |
|
|
1140 | |
|
|
1141 | REQ_SEND; |
|
|
1142 | } |
|
|
1143 | |
|
|
1144 | void |
1231 | aio_close (fh,callback=&PL_sv_undef) |
1145 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1232 | SV * fh |
|
|
1233 | SV * callback |
|
|
1234 | PROTOTYPE: $;$ |
|
|
1235 | ALIAS: |
1146 | ALIAS: |
1236 | aio_close = REQ_CLOSE |
|
|
1237 | aio_fsync = REQ_FSYNC |
1147 | aio_fsync = EIO_FSYNC |
1238 | aio_fdatasync = REQ_FDATASYNC |
1148 | aio_fdatasync = EIO_FDATASYNC |
|
|
1149 | aio_syncfs = EIO_SYNCFS |
1239 | PPCODE: |
1150 | PPCODE: |
1240 | { |
1151 | { |
|
|
1152 | int fd = s_fileno_croak (fh, 0); |
1241 | dREQ; |
1153 | dREQ; |
1242 | |
1154 | |
1243 | req->type = ix; |
1155 | req->type = ix; |
1244 | req->fh = newSVsv (fh); |
1156 | req->sv1 = newSVsv (fh); |
1245 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1157 | req->int1 = fd; |
1246 | |
1158 | |
1247 | REQ_SEND (req); |
1159 | REQ_SEND; |
1248 | } |
1160 | } |
1249 | |
1161 | |
1250 | void |
1162 | void |
|
|
1163 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1164 | PPCODE: |
|
|
1165 | { |
|
|
1166 | int fd = s_fileno_croak (fh, 0); |
|
|
1167 | dREQ; |
|
|
1168 | |
|
|
1169 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1170 | req->sv1 = newSVsv (fh); |
|
|
1171 | req->int1 = fd; |
|
|
1172 | req->offs = offset; |
|
|
1173 | req->size = nbytes; |
|
|
1174 | req->int2 = flags; |
|
|
1175 | |
|
|
1176 | REQ_SEND; |
|
|
1177 | } |
|
|
1178 | |
|
|
1179 | void |
|
|
1180 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1181 | PPCODE: |
|
|
1182 | { |
|
|
1183 | int fd = s_fileno_croak (fh, 0); |
|
|
1184 | dREQ; |
|
|
1185 | |
|
|
1186 | req->type = EIO_FALLOCATE; |
|
|
1187 | req->sv1 = newSVsv (fh); |
|
|
1188 | req->int1 = fd; |
|
|
1189 | req->int2 = mode; |
|
|
1190 | req->offs = offset; |
|
|
1191 | req->size = len; |
|
|
1192 | |
|
|
1193 | REQ_SEND; |
|
|
1194 | } |
|
|
1195 | |
|
|
1196 | void |
|
|
1197 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1198 | PPCODE: |
|
|
1199 | { |
|
|
1200 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1201 | int fd = s_fileno_croak (fh, 0); |
|
|
1202 | dREQ; |
|
|
1203 | |
|
|
1204 | if (expect_false (close_fd < 0)) |
|
|
1205 | { |
|
|
1206 | int pipefd [2]; |
|
|
1207 | |
|
|
1208 | if ( |
|
|
1209 | #ifdef _WIN32 |
|
|
1210 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1211 | #else |
|
|
1212 | pipe (pipefd) < 0 |
|
|
1213 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1214 | #endif |
|
|
1215 | || close (pipefd [1]) < 0 |
|
|
1216 | ) |
|
|
1217 | abort (); /*D*/ |
|
|
1218 | |
|
|
1219 | close_fd = pipefd [0]; |
|
|
1220 | } |
|
|
1221 | |
|
|
1222 | req->type = EIO_DUP2; |
|
|
1223 | req->int1 = close_fd; |
|
|
1224 | req->sv2 = newSVsv (fh); |
|
|
1225 | req->int2 = fd; |
|
|
1226 | |
|
|
1227 | REQ_SEND; |
|
|
1228 | } |
|
|
1229 | |
|
|
1230 | void |
|
|
1231 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1232 | PPCODE: |
|
|
1233 | { |
|
|
1234 | int fd = s_fileno_croak (fh, 0); |
|
|
1235 | dREQ; |
|
|
1236 | |
|
|
1237 | req->type = EIO_SEEK; |
|
|
1238 | req->sv1 = newSVsv (fh); |
|
|
1239 | req->int1 = fd; |
|
|
1240 | req->offs = SvVAL64 (offset); |
|
|
1241 | req->int2 = whence; |
|
|
1242 | |
|
|
1243 | REQ_SEND; |
|
|
1244 | } |
|
|
1245 | |
|
|
1246 | void |
1251 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1247 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1252 | SV * fh |
|
|
1253 | UV offset |
|
|
1254 | UV length |
|
|
1255 | SV * data |
|
|
1256 | UV dataoffset |
|
|
1257 | SV * callback |
|
|
1258 | ALIAS: |
1248 | ALIAS: |
1259 | aio_read = REQ_READ |
1249 | aio_read = EIO_READ |
1260 | aio_write = REQ_WRITE |
1250 | aio_write = EIO_WRITE |
1261 | PROTOTYPE: $$$$$;$ |
|
|
1262 | PPCODE: |
1251 | PPCODE: |
1263 | { |
1252 | { |
1264 | aio_req req; |
|
|
1265 | STRLEN svlen; |
1253 | STRLEN svlen; |
|
|
1254 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1266 | char *svptr = SvPVbyte (data, svlen); |
1255 | char *svptr = SvPVbyte (data, svlen); |
1267 | |
1256 | UV len = SvUV (length); |
1268 | SvUPGRADE (data, SVt_PV); |
|
|
1269 | SvPOK_on (data); |
|
|
1270 | |
1257 | |
1271 | if (dataoffset < 0) |
1258 | if (dataoffset < 0) |
1272 | dataoffset += svlen; |
1259 | dataoffset += svlen; |
1273 | |
1260 | |
1274 | if (dataoffset < 0 || dataoffset > svlen) |
1261 | if (dataoffset < 0 || dataoffset > svlen) |
1275 | croak ("data offset outside of string"); |
1262 | croak ("dataoffset outside of data scalar"); |
1276 | |
1263 | |
1277 | if (ix == REQ_WRITE) |
1264 | if (ix == EIO_WRITE) |
1278 | { |
1265 | { |
1279 | /* write: check length and adjust. */ |
1266 | /* write: check length and adjust. */ |
1280 | if (length < 0 || length + dataoffset > svlen) |
1267 | if (!SvOK (length) || len + dataoffset > svlen) |
1281 | length = svlen - dataoffset; |
1268 | len = svlen - dataoffset; |
1282 | } |
1269 | } |
1283 | else |
1270 | else |
1284 | { |
1271 | { |
1285 | /* read: grow scalar as necessary */ |
1272 | /* read: check type and grow scalar as necessary */ |
|
|
1273 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1286 | svptr = SvGROW (data, length + dataoffset); |
1274 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1275 | else if (SvCUR (data) < len + dataoffset) |
|
|
1276 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1287 | } |
1277 | } |
1288 | |
|
|
1289 | if (length < 0) |
|
|
1290 | croak ("length must not be negative"); |
|
|
1291 | |
1278 | |
1292 | { |
1279 | { |
1293 | dREQ; |
1280 | dREQ; |
1294 | |
1281 | |
1295 | req->type = ix; |
1282 | req->type = ix; |
1296 | req->fh = newSVsv (fh); |
1283 | req->sv1 = newSVsv (fh); |
1297 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1284 | req->int1 = fd; |
1298 | : IoOFP (sv_2io (fh))); |
1285 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1299 | req->offset = offset; |
1286 | req->size = len; |
1300 | req->length = length; |
|
|
1301 | req->data = SvREFCNT_inc (data); |
1287 | req->sv2 = SvREFCNT_inc (data); |
1302 | req->dataptr = (char *)svptr + dataoffset; |
1288 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1289 | req->stroffset = dataoffset; |
1303 | |
1290 | |
1304 | if (!SvREADONLY (data)) |
1291 | if (!SvREADONLY (data)) |
1305 | { |
1292 | { |
1306 | SvREADONLY_on (data); |
1293 | SvREADONLY_on (data); |
1307 | req->data2ptr = (void *)data; |
1294 | req->flags |= FLAG_SV2_RO_OFF; |
1308 | } |
1295 | } |
1309 | |
1296 | |
1310 | REQ_SEND; |
1297 | REQ_SEND; |
1311 | } |
1298 | } |
1312 | } |
1299 | } |
1313 | |
1300 | |
1314 | void |
1301 | void |
1315 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1302 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1316 | SV * out_fh |
1303 | ALIAS: |
1317 | SV * in_fh |
1304 | aio_ioctl = EIO_IOCTL |
1318 | UV in_offset |
1305 | aio_fcntl = EIO_FCNTL |
1319 | UV length |
|
|
1320 | SV * callback |
|
|
1321 | PROTOTYPE: $$$$;$ |
|
|
1322 | PPCODE: |
1306 | PPCODE: |
1323 | { |
1307 | { |
1324 | dREQ; |
1308 | int fd = s_fileno_croak (fh, 0); |
|
|
1309 | char *svptr; |
1325 | |
1310 | |
1326 | req->type = REQ_SENDFILE; |
1311 | if (SvPOK (arg) || !SvNIOK (arg)) |
1327 | req->fh = newSVsv (out_fh); |
|
|
1328 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1329 | req->fh2 = newSVsv (in_fh); |
|
|
1330 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1331 | req->offset = in_offset; |
|
|
1332 | req->length = length; |
|
|
1333 | |
|
|
1334 | REQ_SEND; |
|
|
1335 | } |
|
|
1336 | |
|
|
1337 | void |
|
|
1338 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
|
|
1339 | SV * fh |
|
|
1340 | UV offset |
|
|
1341 | IV length |
|
|
1342 | SV * callback |
|
|
1343 | PROTOTYPE: $$$;$ |
|
|
1344 | PPCODE: |
|
|
1345 | { |
|
|
1346 | dREQ; |
|
|
1347 | |
|
|
1348 | req->type = REQ_READAHEAD; |
|
|
1349 | req->fh = newSVsv (fh); |
|
|
1350 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1351 | req->offset = offset; |
|
|
1352 | req->length = length; |
|
|
1353 | |
|
|
1354 | REQ_SEND; |
|
|
1355 | } |
|
|
1356 | |
|
|
1357 | void |
|
|
1358 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
|
|
1359 | SV * fh_or_path |
|
|
1360 | SV * callback |
|
|
1361 | ALIAS: |
|
|
1362 | aio_stat = REQ_STAT |
|
|
1363 | aio_lstat = REQ_LSTAT |
|
|
1364 | PPCODE: |
|
|
1365 | { |
|
|
1366 | dREQ; |
|
|
1367 | |
|
|
1368 | New (0, req->statdata, 1, Stat_t); |
|
|
1369 | if (!req->statdata) |
|
|
1370 | { |
1312 | { |
1371 | req_free (req); |
1313 | STRLEN svlen; |
1372 | croak ("out of memory during aio_req->statdata allocation"); |
1314 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1373 | } |
1315 | #ifdef IOCPARM_LEN |
|
|
1316 | STRLEN need = IOCPARM_LEN (request); |
|
|
1317 | #else |
|
|
1318 | STRLEN need = 256; |
|
|
1319 | #endif |
1374 | |
1320 | |
1375 | if (SvPOK (fh_or_path)) |
1321 | if (svlen < need) |
1376 | { |
1322 | svptr = SvGROW (arg, need); |
1377 | req->type = ix; |
|
|
1378 | req->data = newSVsv (fh_or_path); |
|
|
1379 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1380 | } |
1323 | } |
1381 | else |
1324 | else |
|
|
1325 | svptr = (char *)SvIV (arg); |
|
|
1326 | |
1382 | { |
1327 | { |
|
|
1328 | dREQ; |
|
|
1329 | |
1383 | req->type = REQ_FSTAT; |
1330 | req->type = ix; |
1384 | req->fh = newSVsv (fh_or_path); |
1331 | req->sv1 = newSVsv (fh); |
1385 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1332 | req->int1 = fd; |
|
|
1333 | req->int2 = (long)request; |
|
|
1334 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1335 | req->ptr2 = svptr; |
|
|
1336 | |
|
|
1337 | REQ_SEND; |
1386 | } |
1338 | } |
|
|
1339 | } |
|
|
1340 | |
|
|
1341 | void |
|
|
1342 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1343 | ALIAS: |
|
|
1344 | aio_readlink = EIO_READLINK |
|
|
1345 | aio_realpath = EIO_REALPATH |
|
|
1346 | PPCODE: |
|
|
1347 | { |
|
|
1348 | dREQ; |
|
|
1349 | |
|
|
1350 | req->type = ix; |
|
|
1351 | req_set_path1 (req, pathname); |
1387 | |
1352 | |
1388 | REQ_SEND; |
1353 | REQ_SEND; |
1389 | } |
1354 | } |
1390 | |
1355 | |
1391 | void |
1356 | void |
1392 | aio_unlink (pathname,callback=&PL_sv_undef) |
1357 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1393 | SV * pathname |
1358 | PPCODE: |
1394 | SV * callback |
1359 | { |
|
|
1360 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1361 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1362 | dREQ; |
|
|
1363 | |
|
|
1364 | req->type = EIO_SENDFILE; |
|
|
1365 | req->sv1 = newSVsv (out_fh); |
|
|
1366 | req->int1 = ofd; |
|
|
1367 | req->sv2 = newSVsv (in_fh); |
|
|
1368 | req->int2 = ifd; |
|
|
1369 | req->offs = in_offset; |
|
|
1370 | req->size = length; |
|
|
1371 | |
|
|
1372 | REQ_SEND; |
|
|
1373 | } |
|
|
1374 | |
|
|
1375 | void |
|
|
1376 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1377 | PPCODE: |
|
|
1378 | { |
|
|
1379 | int fd = s_fileno_croak (fh, 0); |
|
|
1380 | dREQ; |
|
|
1381 | |
|
|
1382 | req->type = EIO_READAHEAD; |
|
|
1383 | req->sv1 = newSVsv (fh); |
|
|
1384 | req->int1 = fd; |
|
|
1385 | req->offs = offset; |
|
|
1386 | req->size = length; |
|
|
1387 | |
|
|
1388 | REQ_SEND; |
|
|
1389 | } |
|
|
1390 | |
|
|
1391 | void |
|
|
1392 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1395 | ALIAS: |
1393 | ALIAS: |
|
|
1394 | aio_stat = EIO_STAT |
|
|
1395 | aio_lstat = EIO_LSTAT |
|
|
1396 | aio_statvfs = EIO_STATVFS |
|
|
1397 | PPCODE: |
|
|
1398 | { |
|
|
1399 | dREQ; |
|
|
1400 | |
|
|
1401 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1402 | |
|
|
1403 | REQ_SEND; |
|
|
1404 | } |
|
|
1405 | |
|
|
1406 | UV |
|
|
1407 | major (UV dev) |
|
|
1408 | ALIAS: |
|
|
1409 | minor = 1 |
|
|
1410 | CODE: |
|
|
1411 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1412 | OUTPUT: |
|
|
1413 | RETVAL |
|
|
1414 | |
|
|
1415 | UV |
|
|
1416 | makedev (UV maj, UV min) |
|
|
1417 | CODE: |
|
|
1418 | RETVAL = makedev (maj, min); |
|
|
1419 | OUTPUT: |
|
|
1420 | RETVAL |
|
|
1421 | |
|
|
1422 | void |
|
|
1423 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1424 | PPCODE: |
|
|
1425 | { |
|
|
1426 | dREQ; |
|
|
1427 | |
|
|
1428 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1429 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1430 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1431 | |
|
|
1432 | REQ_SEND; |
|
|
1433 | } |
|
|
1434 | |
|
|
1435 | void |
|
|
1436 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1437 | PPCODE: |
|
|
1438 | { |
|
|
1439 | dREQ; |
|
|
1440 | |
|
|
1441 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1442 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1443 | |
|
|
1444 | REQ_SEND; |
|
|
1445 | } |
|
|
1446 | |
|
|
1447 | void |
|
|
1448 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1449 | PPCODE: |
|
|
1450 | { |
|
|
1451 | dREQ; |
|
|
1452 | |
|
|
1453 | req->int2 = mode; |
|
|
1454 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1455 | |
|
|
1456 | REQ_SEND; |
|
|
1457 | } |
|
|
1458 | |
|
|
1459 | void |
|
|
1460 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1461 | PPCODE: |
|
|
1462 | { |
|
|
1463 | dREQ; |
|
|
1464 | |
|
|
1465 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1466 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1467 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1468 | |
|
|
1469 | REQ_SEND; |
|
|
1470 | } |
|
|
1471 | |
|
|
1472 | void |
|
|
1473 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1474 | PPCODE: |
|
|
1475 | { |
|
|
1476 | dREQ; |
|
|
1477 | |
|
|
1478 | req->type = EIO_READDIR; |
|
|
1479 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1480 | |
|
|
1481 | if (flags & EIO_READDIR_DENTS) |
|
|
1482 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1483 | |
|
|
1484 | req_set_path1 (req, pathname); |
|
|
1485 | |
|
|
1486 | REQ_SEND; |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | void |
|
|
1490 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1491 | PPCODE: |
|
|
1492 | { |
|
|
1493 | dREQ; |
|
|
1494 | |
|
|
1495 | req->type = EIO_MKDIR; |
|
|
1496 | req->int2 = mode; |
|
|
1497 | req_set_path1 (req, pathname); |
|
|
1498 | |
|
|
1499 | REQ_SEND; |
|
|
1500 | } |
|
|
1501 | |
|
|
1502 | void |
|
|
1503 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1504 | ALIAS: |
1396 | aio_unlink = REQ_UNLINK |
1505 | aio_unlink = EIO_UNLINK |
1397 | aio_rmdir = REQ_RMDIR |
1506 | aio_rmdir = EIO_RMDIR |
1398 | aio_readdir = REQ_READDIR |
1507 | aio_readdir = EIO_READDIR |
1399 | PPCODE: |
1508 | PPCODE: |
1400 | { |
1509 | { |
1401 | dREQ; |
1510 | dREQ; |
1402 | |
1511 | |
1403 | req->type = ix; |
1512 | req->type = ix; |
1404 | req->data = newSVsv (pathname); |
1513 | req_set_path1 (req, pathname); |
1405 | req->dataptr = SvPVbyte_nolen (req->data); |
1514 | |
1406 | |
|
|
1407 | REQ_SEND; |
1515 | REQ_SEND; |
1408 | } |
1516 | } |
1409 | |
1517 | |
1410 | void |
1518 | void |
1411 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1519 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1412 | SV * oldpath |
|
|
1413 | SV * newpath |
|
|
1414 | SV * callback |
|
|
1415 | ALIAS: |
1520 | ALIAS: |
1416 | aio_link = REQ_LINK |
1521 | aio_link = EIO_LINK |
1417 | aio_symlink = REQ_SYMLINK |
1522 | aio_symlink = EIO_SYMLINK |
1418 | aio_rename = REQ_RENAME |
1523 | aio_rename = EIO_RENAME |
1419 | PPCODE: |
1524 | PPCODE: |
1420 | { |
1525 | { |
|
|
1526 | eio_wd wd2 = 0; |
1421 | dREQ; |
1527 | dREQ; |
1422 | |
1528 | |
1423 | req->type = ix; |
1529 | req->type = ix; |
1424 | req->fh = newSVsv (oldpath); |
1530 | req_set_path1 (req, oldpath); |
1425 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1531 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1426 | req->data = newSVsv (newpath); |
1532 | req->int3 = (long)wd2; |
1427 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1428 | |
1533 | |
1429 | REQ_SEND; |
1534 | REQ_SEND; |
1430 | } |
1535 | } |
1431 | |
1536 | |
1432 | void |
1537 | void |
1433 | aio_busy (delay,callback=&PL_sv_undef) |
1538 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1434 | double delay |
|
|
1435 | SV * callback |
|
|
1436 | PPCODE: |
1539 | PPCODE: |
1437 | { |
1540 | { |
1438 | dREQ; |
1541 | dREQ; |
1439 | |
1542 | |
1440 | req->type = REQ_BUSY; |
1543 | req->type = EIO_MKNOD; |
1441 | req->fd = delay < 0. ? 0 : delay; |
1544 | req->int2 = (mode_t)mode; |
1442 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1545 | req->offs = dev; |
1443 | |
1546 | req_set_path1 (req, pathname); |
|
|
1547 | |
1444 | REQ_SEND; |
1548 | REQ_SEND; |
1445 | } |
1549 | } |
1446 | |
1550 | |
1447 | void |
1551 | void |
1448 | aio_group (callback=&PL_sv_undef) |
1552 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) |
1449 | SV * callback |
1553 | ALIAS: |
1450 | PROTOTYPE: ;$ |
1554 | aio_mtouch = EIO_MTOUCH |
|
|
1555 | aio_msync = EIO_MSYNC |
1451 | PPCODE: |
1556 | PPCODE: |
1452 | { |
1557 | { |
|
|
1558 | STRLEN svlen; |
|
|
1559 | char *svptr = SvPVbyte (data, svlen); |
|
|
1560 | UV len = SvUV (length); |
|
|
1561 | |
|
|
1562 | if (offset < 0) |
|
|
1563 | offset += svlen; |
|
|
1564 | |
|
|
1565 | if (offset < 0 || offset > svlen) |
|
|
1566 | croak ("offset outside of scalar"); |
|
|
1567 | |
|
|
1568 | if (!SvOK (length) || len + offset > svlen) |
|
|
1569 | len = svlen - offset; |
|
|
1570 | |
|
|
1571 | { |
|
|
1572 | dREQ; |
|
|
1573 | |
|
|
1574 | req->type = ix; |
|
|
1575 | req->sv2 = SvREFCNT_inc (data); |
|
|
1576 | req->ptr2 = (char *)svptr + offset; |
|
|
1577 | req->size = len; |
|
|
1578 | req->int1 = flags; |
|
|
1579 | |
|
|
1580 | REQ_SEND; |
|
|
1581 | } |
|
|
1582 | } |
|
|
1583 | |
|
|
1584 | void |
|
|
1585 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1586 | PPCODE: |
|
|
1587 | { |
|
|
1588 | STRLEN svlen; |
|
|
1589 | char *svptr = SvPVbyte (data, svlen); |
|
|
1590 | UV len = SvUV (length); |
|
|
1591 | |
|
|
1592 | if (offset < 0) |
|
|
1593 | offset += svlen; |
|
|
1594 | |
|
|
1595 | if (offset < 0 || offset > svlen) |
|
|
1596 | croak ("offset outside of scalar"); |
|
|
1597 | |
|
|
1598 | if (!SvOK (length) || len + offset > svlen) |
|
|
1599 | len = svlen - offset; |
|
|
1600 | |
|
|
1601 | { |
|
|
1602 | dREQ; |
|
|
1603 | |
|
|
1604 | req->type = EIO_MLOCK; |
|
|
1605 | req->sv2 = SvREFCNT_inc (data); |
|
|
1606 | req->ptr2 = (char *)svptr + offset; |
|
|
1607 | req->size = len; |
|
|
1608 | |
|
|
1609 | REQ_SEND; |
|
|
1610 | } |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | void |
|
|
1614 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1615 | PPCODE: |
|
|
1616 | { |
|
|
1617 | dREQ; |
|
|
1618 | |
|
|
1619 | req->type = EIO_MLOCKALL; |
|
|
1620 | req->int1 = flags; |
|
|
1621 | |
|
|
1622 | REQ_SEND; |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | void |
|
|
1626 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1627 | PPCODE: |
|
|
1628 | { |
|
|
1629 | int fd = s_fileno_croak (fh, 0); |
1453 | dREQ; |
1630 | dREQ; |
1454 | |
1631 | |
1455 | req->type = REQ_GROUP; |
1632 | req->type = EIO_CUSTOM; |
1456 | req_send (req); |
1633 | req->sv1 = newSVsv (fh); |
|
|
1634 | req->int1 = fd; |
1457 | |
1635 | |
1458 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1636 | req->feed = fiemap; |
1459 | } |
1637 | #if HAVE_FIEMAP |
|
|
1638 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1639 | req->offs = start; |
|
|
1640 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1641 | req->int2 = flags; |
|
|
1642 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1643 | #endif |
1460 | |
1644 | |
|
|
1645 | REQ_SEND; |
|
|
1646 | } |
|
|
1647 | |
1461 | void |
1648 | void |
1462 | aio_nop (callback=&PL_sv_undef) |
1649 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1463 | SV * callback |
|
|
1464 | PPCODE: |
1650 | PPCODE: |
1465 | { |
1651 | { |
1466 | dREQ; |
1652 | dREQ; |
1467 | |
1653 | |
1468 | req->type = REQ_NOP; |
1654 | req->type = EIO_BUSY; |
|
|
1655 | req->nv1 = delay < 0. ? 0. : delay; |
1469 | |
1656 | |
1470 | REQ_SEND; |
1657 | REQ_SEND; |
1471 | } |
1658 | } |
1472 | |
1659 | |
|
|
1660 | void |
|
|
1661 | aio_group (SV *callback = &PL_sv_undef) |
|
|
1662 | PPCODE: |
|
|
1663 | { |
|
|
1664 | dREQ; |
|
|
1665 | |
|
|
1666 | req->type = EIO_GROUP; |
|
|
1667 | |
|
|
1668 | PUTBACK; |
|
|
1669 | req_submit (req); |
|
|
1670 | SPAGAIN; |
|
|
1671 | |
|
|
1672 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1673 | } |
|
|
1674 | |
|
|
1675 | void |
|
|
1676 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
1677 | ALIAS: |
|
|
1678 | aio_nop = EIO_NOP |
|
|
1679 | aio_sync = EIO_SYNC |
|
|
1680 | PPCODE: |
|
|
1681 | { |
|
|
1682 | dREQ; |
|
|
1683 | |
|
|
1684 | req->type = ix; |
|
|
1685 | |
|
|
1686 | REQ_SEND; |
|
|
1687 | } |
|
|
1688 | |
1473 | int |
1689 | int |
1474 | aioreq_pri (int pri = 0) |
1690 | aioreq_pri (int pri = NO_INIT) |
1475 | PROTOTYPE: ;$ |
|
|
1476 | CODE: |
1691 | CODE: |
1477 | RETVAL = next_pri - PRI_BIAS; |
1692 | RETVAL = next_pri; |
1478 | if (items > 0) |
1693 | if (items > 0) |
1479 | { |
1694 | { |
1480 | if (pri < PRI_MIN) pri = PRI_MIN; |
1695 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1481 | if (pri > PRI_MAX) pri = PRI_MAX; |
1696 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1482 | next_pri = pri + PRI_BIAS; |
1697 | next_pri = pri; |
1483 | } |
1698 | } |
1484 | OUTPUT: |
1699 | OUTPUT: |
1485 | RETVAL |
1700 | RETVAL |
1486 | |
1701 | |
1487 | void |
1702 | void |
1488 | aioreq_nice (int nice = 0) |
1703 | aioreq_nice (int nice = 0) |
1489 | CODE: |
1704 | CODE: |
1490 | nice = next_pri - nice; |
1705 | nice = next_pri - nice; |
1491 | if (nice < PRI_MIN) nice = PRI_MIN; |
1706 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1492 | if (nice > PRI_MAX) nice = PRI_MAX; |
1707 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1493 | next_pri = nice + PRI_BIAS; |
1708 | next_pri = nice; |
1494 | |
1709 | |
1495 | void |
1710 | void |
1496 | flush () |
1711 | flush () |
|
|
1712 | CODE: |
|
|
1713 | while (eio_nreqs ()) |
|
|
1714 | { |
|
|
1715 | poll_wait (); |
|
|
1716 | poll_cb (); |
|
|
1717 | } |
|
|
1718 | |
|
|
1719 | int |
|
|
1720 | poll () |
|
|
1721 | CODE: |
|
|
1722 | poll_wait (); |
|
|
1723 | RETVAL = poll_cb (); |
|
|
1724 | OUTPUT: |
|
|
1725 | RETVAL |
|
|
1726 | |
|
|
1727 | int |
|
|
1728 | poll_fileno () |
|
|
1729 | CODE: |
|
|
1730 | RETVAL = s_epipe_fd (&respipe); |
|
|
1731 | OUTPUT: |
|
|
1732 | RETVAL |
|
|
1733 | |
|
|
1734 | int |
|
|
1735 | poll_cb (...) |
1497 | PROTOTYPE: |
1736 | PROTOTYPE: |
1498 | CODE: |
1737 | CODE: |
1499 | while (nreqs) |
|
|
1500 | { |
|
|
1501 | poll_wait (); |
|
|
1502 | poll_cb (0); |
1738 | RETVAL = poll_cb (); |
1503 | } |
|
|
1504 | |
|
|
1505 | void |
|
|
1506 | poll() |
|
|
1507 | PROTOTYPE: |
|
|
1508 | CODE: |
|
|
1509 | if (nreqs) |
|
|
1510 | { |
|
|
1511 | poll_wait (); |
|
|
1512 | poll_cb (0); |
|
|
1513 | } |
|
|
1514 | |
|
|
1515 | int |
|
|
1516 | poll_fileno() |
|
|
1517 | PROTOTYPE: |
|
|
1518 | CODE: |
|
|
1519 | RETVAL = respipe [0]; |
|
|
1520 | OUTPUT: |
1739 | OUTPUT: |
1521 | RETVAL |
1740 | RETVAL |
1522 | |
1741 | |
|
|
1742 | void |
|
|
1743 | poll_wait () |
|
|
1744 | CODE: |
|
|
1745 | poll_wait (); |
|
|
1746 | |
1523 | int |
1747 | int |
1524 | poll_cb(...) |
1748 | nreqs () |
1525 | PROTOTYPE: |
|
|
1526 | CODE: |
1749 | CODE: |
1527 | RETVAL = poll_cb (0); |
1750 | RETVAL = eio_nreqs (); |
1528 | OUTPUT: |
1751 | OUTPUT: |
1529 | RETVAL |
1752 | RETVAL |
1530 | |
1753 | |
1531 | int |
1754 | int |
1532 | poll_some(int max = 0) |
1755 | nready () |
1533 | PROTOTYPE: $ |
|
|
1534 | CODE: |
1756 | CODE: |
1535 | RETVAL = poll_cb (max); |
1757 | RETVAL = eio_nready (); |
1536 | OUTPUT: |
1758 | OUTPUT: |
1537 | RETVAL |
1759 | RETVAL |
1538 | |
1760 | |
1539 | void |
1761 | int |
1540 | poll_wait() |
1762 | npending () |
1541 | PROTOTYPE: |
|
|
1542 | CODE: |
1763 | CODE: |
1543 | if (nreqs) |
1764 | RETVAL = eio_npending (); |
1544 | poll_wait (); |
|
|
1545 | |
|
|
1546 | int |
|
|
1547 | nreqs() |
|
|
1548 | PROTOTYPE: |
|
|
1549 | CODE: |
|
|
1550 | RETVAL = nreqs; |
|
|
1551 | OUTPUT: |
1765 | OUTPUT: |
1552 | RETVAL |
1766 | RETVAL |
1553 | |
1767 | |
1554 | int |
1768 | int |
1555 | nready() |
1769 | nthreads () |
1556 | PROTOTYPE: |
|
|
1557 | CODE: |
1770 | CODE: |
1558 | RETVAL = get_nready (); |
1771 | RETVAL = eio_nthreads (); |
1559 | OUTPUT: |
1772 | OUTPUT: |
1560 | RETVAL |
1773 | RETVAL |
1561 | |
1774 | |
1562 | int |
1775 | int |
1563 | npending() |
1776 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1564 | PROTOTYPE: |
1777 | CODE: |
|
|
1778 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1779 | OUTPUT: |
|
|
1780 | RETVAL |
|
|
1781 | |
|
|
1782 | IV |
|
|
1783 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1784 | CODE: |
|
|
1785 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1786 | OUTPUT: |
|
|
1787 | RETVAL |
|
|
1788 | |
|
|
1789 | void |
|
|
1790 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1791 | PPCODE: |
|
|
1792 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1793 | { |
|
|
1794 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1795 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1796 | if (addr == (void *)-1) |
|
|
1797 | XSRETURN_NO; |
|
|
1798 | |
|
|
1799 | sv_force_normal (scalar); |
|
|
1800 | |
|
|
1801 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1802 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1803 | ->mg_obj = (SV *)length; |
|
|
1804 | |
|
|
1805 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1806 | |
|
|
1807 | if (!(prot & PROT_WRITE)) |
|
|
1808 | SvREADONLY_on (scalar); |
|
|
1809 | |
|
|
1810 | if (SvLEN (scalar)) |
|
|
1811 | Safefree (SvPVX (scalar)); |
|
|
1812 | |
|
|
1813 | SvPVX (scalar) = (char *)addr; |
|
|
1814 | SvCUR_set (scalar, length); |
|
|
1815 | SvLEN_set (scalar, 0); |
|
|
1816 | SvPOK_only (scalar); |
|
|
1817 | |
|
|
1818 | XSRETURN_YES; |
|
|
1819 | } |
|
|
1820 | |
|
|
1821 | void |
|
|
1822 | munmap (SV *scalar) |
1565 | CODE: |
1823 | CODE: |
1566 | RETVAL = get_npending (); |
1824 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1825 | |
|
|
1826 | int |
|
|
1827 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1828 | ALIAS: |
|
|
1829 | mprotect = 1 |
|
|
1830 | CODE: |
|
|
1831 | { |
|
|
1832 | STRLEN svlen; |
|
|
1833 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1834 | STRLEN len = SvUV (length); |
|
|
1835 | |
|
|
1836 | if (offset < 0) |
|
|
1837 | offset += svlen; |
|
|
1838 | |
|
|
1839 | if (offset < 0 || offset > svlen) |
|
|
1840 | croak ("offset outside of scalar"); |
|
|
1841 | |
|
|
1842 | if (!SvOK (length) || len + offset > svlen) |
|
|
1843 | len = svlen - offset; |
|
|
1844 | |
|
|
1845 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1846 | eio_page_align (&addr, &len); |
|
|
1847 | |
|
|
1848 | switch (ix) |
|
|
1849 | { |
|
|
1850 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1851 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1852 | } |
|
|
1853 | } |
1567 | OUTPUT: |
1854 | OUTPUT: |
1568 | RETVAL |
1855 | RETVAL |
|
|
1856 | |
|
|
1857 | int |
|
|
1858 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
1859 | CODE: |
|
|
1860 | { |
|
|
1861 | STRLEN svlen; |
|
|
1862 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1863 | size_t len = SvUV (length); |
|
|
1864 | |
|
|
1865 | if (offset < 0) |
|
|
1866 | offset += svlen; |
|
|
1867 | |
|
|
1868 | if (offset < 0 || offset > svlen) |
|
|
1869 | croak ("offset outside of scalar"); |
|
|
1870 | |
|
|
1871 | if (!SvOK (length) || len + offset > svlen) |
|
|
1872 | len = svlen - offset; |
|
|
1873 | |
|
|
1874 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1875 | eio_page_align (&addr, &len); |
|
|
1876 | #if _POSIX_MEMLOCK_RANGE |
|
|
1877 | RETVAL = munlock (addr, len); |
|
|
1878 | #else |
|
|
1879 | RETVAL = EIO_ENOSYS (); |
|
|
1880 | #endif |
|
|
1881 | } |
|
|
1882 | OUTPUT: |
|
|
1883 | RETVAL |
|
|
1884 | |
|
|
1885 | int |
|
|
1886 | munlockall () |
|
|
1887 | CODE: |
|
|
1888 | #if _POSIX_MEMLOCK |
|
|
1889 | munlockall (); |
|
|
1890 | #else |
|
|
1891 | RETVAL = EIO_ENOSYS (); |
|
|
1892 | #endif |
|
|
1893 | OUTPUT: |
|
|
1894 | RETVAL |
|
|
1895 | |
|
|
1896 | int |
|
|
1897 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1898 | CODE: |
|
|
1899 | { |
|
|
1900 | #if HAVE_LINUX_SPLICE |
|
|
1901 | loff_t off_in_, off_out_; |
|
|
1902 | RETVAL = splice ( |
|
|
1903 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1904 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1905 | length, flags |
|
|
1906 | ); |
|
|
1907 | #else |
|
|
1908 | RETVAL = EIO_ENOSYS (); |
|
|
1909 | #endif |
|
|
1910 | } |
|
|
1911 | OUTPUT: |
|
|
1912 | RETVAL |
|
|
1913 | |
|
|
1914 | int |
|
|
1915 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1916 | CODE: |
|
|
1917 | #if HAVE_LINUX_SPLICE |
|
|
1918 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1919 | #else |
|
|
1920 | RETVAL = EIO_ENOSYS (); |
|
|
1921 | #endif |
|
|
1922 | OUTPUT: |
|
|
1923 | RETVAL |
|
|
1924 | |
|
|
1925 | int |
|
|
1926 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
1927 | PROTOTYPE: $;$ |
|
|
1928 | CODE: |
|
|
1929 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
1930 | if (new_size >= 0) |
|
|
1931 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
1932 | else |
|
|
1933 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
1934 | #else |
|
|
1935 | errno = ENOSYS; |
|
|
1936 | RETVAL = -1; |
|
|
1937 | #endif |
|
|
1938 | OUTPUT: |
|
|
1939 | RETVAL |
|
|
1940 | |
|
|
1941 | void |
|
|
1942 | pipe2 (int flags = 0) |
|
|
1943 | PROTOTYPE: ;$ |
|
|
1944 | PPCODE: |
|
|
1945 | { |
|
|
1946 | int fd[2]; |
|
|
1947 | int res; |
|
|
1948 | |
|
|
1949 | if (flags) |
|
|
1950 | #if HAVE_PIPE2 |
|
|
1951 | res = pipe2 (fd, flags); |
|
|
1952 | #else |
|
|
1953 | res = (errno = ENOSYS, -1); |
|
|
1954 | #endif |
|
|
1955 | else |
|
|
1956 | res = pipe (fd); |
|
|
1957 | |
|
|
1958 | if (!res) |
|
|
1959 | { |
|
|
1960 | EXTEND (SP, 2); |
|
|
1961 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
1962 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
1963 | } |
|
|
1964 | } |
|
|
1965 | |
|
|
1966 | void _on_next_submit (SV *cb) |
|
|
1967 | CODE: |
|
|
1968 | SvREFCNT_dec (on_next_submit); |
|
|
1969 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1569 | |
1970 | |
1570 | PROTOTYPES: DISABLE |
1971 | PROTOTYPES: DISABLE |
|
|
1972 | |
|
|
1973 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1974 | |
|
|
1975 | BOOT: |
|
|
1976 | { |
|
|
1977 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1978 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | void |
|
|
1982 | DESTROY (SV *self) |
|
|
1983 | CODE: |
|
|
1984 | { |
|
|
1985 | aio_wd wd = SvAIO_WD (self); |
|
|
1986 | #if HAVE_AT |
|
|
1987 | { |
|
|
1988 | SV *callback = &PL_sv_undef; |
|
|
1989 | dREQ; /* clobbers next_pri :/ */ |
|
|
1990 | next_pri = req->pri; /* restore next_pri */ |
|
|
1991 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1992 | req->type = EIO_WD_CLOSE; |
|
|
1993 | req->wd = wd; |
|
|
1994 | REQ_SEND; |
|
|
1995 | } |
|
|
1996 | #else |
|
|
1997 | eio_wd_close_sync (wd); |
|
|
1998 | #endif |
|
|
1999 | } |
1571 | |
2000 | |
1572 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2001 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1573 | |
2002 | |
1574 | void |
2003 | void |
1575 | cancel (aio_req_ornot req) |
2004 | cancel (aio_req_ornot req) |
1576 | CODE: |
2005 | CODE: |
1577 | req_cancel (req); |
2006 | eio_cancel (req); |
1578 | |
2007 | |
1579 | void |
2008 | void |
1580 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2009 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1581 | CODE: |
2010 | PPCODE: |
|
|
2011 | { |
|
|
2012 | if (GIMME_V != G_VOID) |
|
|
2013 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2014 | |
|
|
2015 | if (items > 1) |
|
|
2016 | { |
|
|
2017 | SV *cb_cv = get_cb (callback); |
|
|
2018 | |
1582 | SvREFCNT_dec (req->callback); |
2019 | SvREFCNT_dec (req->callback); |
1583 | req->callback = newSVsv (callback); |
2020 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2021 | } |
|
|
2022 | } |
1584 | |
2023 | |
1585 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2024 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1586 | |
2025 | |
1587 | void |
2026 | void |
1588 | add (aio_req grp, ...) |
2027 | add (aio_req grp, ...) |
1589 | PPCODE: |
2028 | PPCODE: |
1590 | { |
2029 | { |
1591 | int i; |
2030 | int i; |
1592 | aio_req req; |
|
|
1593 | |
2031 | |
1594 | if (grp->fd == 2) |
2032 | if (grp->int1 == 2) |
1595 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2033 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1596 | |
2034 | |
1597 | for (i = 1; i < items; ++i ) |
2035 | for (i = 1; i < items; ++i ) |
1598 | { |
2036 | { |
|
|
2037 | aio_req req; |
|
|
2038 | |
1599 | if (GIMME_V != G_VOID) |
2039 | if (GIMME_V != G_VOID) |
1600 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2040 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1601 | |
2041 | |
1602 | req = SvAIO_REQ (ST (i)); |
2042 | req = SvAIO_REQ (ST (i)); |
1603 | |
2043 | |
1604 | if (req) |
2044 | if (req) |
1605 | { |
2045 | eio_grp_add (grp, req); |
1606 | ++grp->length; |
|
|
1607 | req->grp = grp; |
|
|
1608 | |
|
|
1609 | req->grp_prev = 0; |
|
|
1610 | req->grp_next = grp->grp_first; |
|
|
1611 | |
|
|
1612 | if (grp->grp_first) |
|
|
1613 | grp->grp_first->grp_prev = req; |
|
|
1614 | |
|
|
1615 | grp->grp_first = req; |
|
|
1616 | } |
|
|
1617 | } |
2046 | } |
1618 | } |
2047 | } |
1619 | |
2048 | |
1620 | void |
2049 | void |
1621 | cancel_subs (aio_req_ornot req) |
2050 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1630 | AV *av; |
2059 | AV *av; |
1631 | |
2060 | |
1632 | grp->errorno = errno; |
2061 | grp->errorno = errno; |
1633 | |
2062 | |
1634 | av = newAV (); |
2063 | av = newAV (); |
|
|
2064 | av_extend (av, items - 1); |
1635 | |
2065 | |
1636 | for (i = 1; i < items; ++i ) |
2066 | for (i = 1; i < items; ++i ) |
1637 | av_push (av, newSVsv (ST (i))); |
2067 | av_push (av, newSVsv (ST (i))); |
1638 | |
2068 | |
1639 | SvREFCNT_dec (grp->data); |
2069 | SvREFCNT_dec (grp->sv1); |
1640 | grp->data = (SV *)av; |
2070 | grp->sv1 = (SV *)av; |
1641 | } |
2071 | } |
1642 | |
2072 | |
1643 | void |
2073 | void |
1644 | errno (aio_req grp, int errorno = errno) |
2074 | errno (aio_req grp, int errorno = errno) |
1645 | CODE: |
2075 | CODE: |
1646 | grp->errorno = errorno; |
2076 | grp->errorno = errorno; |
1647 | |
2077 | |
1648 | void |
2078 | void |
1649 | limit (aio_req grp, int limit) |
2079 | limit (aio_req grp, int limit) |
1650 | CODE: |
2080 | CODE: |
1651 | grp->fd2 = limit; |
2081 | eio_grp_limit (grp, limit); |
1652 | aio_grp_feed (grp); |
|
|
1653 | |
2082 | |
1654 | void |
2083 | void |
1655 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2084 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1656 | CODE: |
2085 | CODE: |
1657 | { |
2086 | { |
1658 | SvREFCNT_dec (grp->fh2); |
2087 | SvREFCNT_dec (grp->sv2); |
1659 | grp->fh2 = newSVsv (callback); |
2088 | grp->sv2 = newSVsv (callback); |
|
|
2089 | grp->feed = aio_grp_feed; |
1660 | |
2090 | |
1661 | if (grp->fd2 <= 0) |
2091 | if (grp->int2 <= 0) |
1662 | grp->fd2 = 2; |
2092 | grp->int2 = 2; |
1663 | |
2093 | |
1664 | aio_grp_feed (grp); |
2094 | eio_grp_limit (grp, grp->int2); |
1665 | } |
2095 | } |
1666 | |
2096 | |