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. don't complain to me if this fails |
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27 | * for you. |
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28 | */ |
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29 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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30 | # include <linux/fs.h> |
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31 | # ifdef FS_IOC_FIEMAP |
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32 | # include <linux/types.h> |
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33 | # include <linux/fiemap.h> |
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34 | # define HAVE_FIEMAP 1 |
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35 | # endif |
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36 | #endif |
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37 | |
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38 | /* perl namespace pollution */ |
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39 | #undef VERSION |
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40 | |
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41 | /* perl stupidly overrides readdir and maybe others */ |
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42 | /* with thread-unsafe versions, imagine that :( */ |
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43 | #undef readdir |
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44 | #undef opendir |
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45 | #undef closedir |
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46 | |
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47 | #ifdef _WIN32 |
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48 | |
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49 | // perl overrides all those nice libc functions |
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50 | |
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51 | #undef malloc |
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52 | #undef free |
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53 | #undef open |
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54 | #undef read |
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55 | #undef write |
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56 | #undef send |
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57 | #undef recv |
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58 | #undef stat |
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59 | #undef lstat |
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60 | #undef fstat |
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61 | #undef truncate |
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62 | #undef ftruncate |
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63 | #undef open |
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64 | #undef link |
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65 | #undef close |
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66 | #undef unlink |
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67 | #undef mkdir |
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68 | #undef rmdir |
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69 | #undef rename |
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70 | #undef lseek |
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71 | #undef opendir |
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72 | #undef readdir |
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73 | #undef closedir |
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74 | #undef chmod |
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75 | #undef fchmod |
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76 | #undef dup |
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77 | #undef dup2 |
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78 | #undef abort |
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79 | #undef pipe |
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80 | |
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81 | #define EIO_STRUCT_STAT struct _stati64 |
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82 | #define EIO_STRUCT_STATI64 |
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83 | |
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84 | #else |
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85 | |
40 | # include <sys/socket.h> |
86 | #include <sys/time.h> |
41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
87 | #include <sys/select.h> |
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88 | #include <unistd.h> |
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89 | #include <utime.h> |
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90 | #include <signal.h> |
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91 | |
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92 | #define EIO_STRUCT_STAT Stat_t |
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93 | |
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94 | #endif |
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95 | |
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96 | /*****************************************************************************/ |
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97 | |
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98 | #if __GNUC__ >= 3 |
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99 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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100 | #else |
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101 | # define expect(expr,value) (expr) |
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102 | #endif |
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103 | |
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104 | #define expect_false(expr) expect ((expr) != 0, 0) |
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105 | #define expect_true(expr) expect ((expr) != 0, 1) |
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106 | |
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107 | /*****************************************************************************/ |
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108 | |
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109 | #include "libeio/config.h" |
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110 | |
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111 | #if HAVE_EVENTFD |
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112 | # include <sys/eventfd.h> |
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113 | #endif |
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114 | |
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115 | #if HAVE_RLIMITS |
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116 | #include <sys/time.h> |
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117 | #include <sys/resource.h> |
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118 | #endif |
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119 | |
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120 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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121 | typedef int aio_rfd; /* read file desriptor */ |
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122 | typedef int aio_wfd; /* write file descriptor */ |
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123 | |
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124 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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125 | |
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126 | #define EIO_REQ_MEMBERS \ |
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127 | SV *callback; \ |
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128 | SV *sv1, *sv2; \ |
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129 | SV *sv3, *sv4; \ |
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130 | STRLEN stroffset; \ |
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131 | SV *self; |
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132 | |
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133 | #define EIO_NO_WRAPPERS 1 |
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134 | |
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135 | #include "libeio/eio.h" |
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136 | |
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137 | static int req_invoke (eio_req *req); |
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138 | #define EIO_FINISH(req) req_invoke (req) |
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139 | static void req_destroy (eio_req *grp); |
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140 | #define EIO_DESTROY(req) req_destroy (req) |
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141 | |
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142 | #include "libeio/eio.c" |
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143 | |
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144 | #if !HAVE_POSIX_FADVISE |
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145 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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146 | #endif |
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147 | |
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148 | #if !HAVE_POSIX_MADVISE |
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149 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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150 | #endif |
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151 | |
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152 | #ifndef MAP_ANONYMOUS |
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153 | # ifdef MAP_ANON |
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154 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
155 | # else |
44 | # error sendfile support requested but not available |
156 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
157 | # endif |
46 | #endif |
158 | #endif |
47 | |
159 | |
48 | /* number of seconds after which idle threads exit */ |
160 | /* defines all sorts of constants to 0 unless they are already defined */ |
49 | #define IDLE_TIMEOUT 10 |
161 | /* also provides const_iv_ and const_niv_ macros for them */ |
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162 | #include "def0.h" |
50 | |
163 | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
164 | #ifndef makedev |
52 | #ifndef NAME_MAX |
165 | # define makedev(maj,min) (((maj) << 8) | (min)) |
53 | # define NAME_MAX 4096 |
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54 | #endif |
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55 | |
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56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDREAD_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDREAD_UNSAFE 0 |
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76 | # else |
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77 | # define WORDREAD_UNSAFE 1 |
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78 | # endif |
166 | #endif |
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167 | #ifndef major |
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168 | # define major(dev) ((dev) >> 8) |
79 | #endif |
169 | #endif |
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170 | #ifndef minor |
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171 | # define minor(dev) ((dev) & 0xff) |
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172 | #endif |
80 | |
173 | |
81 | /* buffer size for various temporary buffers */ |
174 | #if PAGESIZE <= 0 |
82 | #define AIO_BUFSIZE 65536 |
175 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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176 | #endif |
83 | |
177 | |
84 | #define dBUF \ |
178 | /*****************************************************************************/ |
85 | char *aio_buf; \ |
179 | |
86 | LOCK (wrklock); \ |
180 | #if !_POSIX_MAPPED_FILES |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
181 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
88 | UNLOCK (wrklock); \ |
182 | # define munmap(addr,length) EIO_ENOSYS () |
89 | if (!aio_buf) \ |
183 | #endif |
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184 | |
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185 | #if !_POSIX_MEMORY_PROTECTION |
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186 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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187 | #endif |
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188 | |
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189 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
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190 | |
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191 | static int ecb_cold |
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192 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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193 | { |
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194 | int old_errno = errno; |
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195 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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196 | errno = old_errno; |
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197 | |
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198 | mg->mg_obj = 0; /* just in case */ |
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199 | |
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200 | SvREADONLY_off (sv); |
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201 | |
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202 | if (SvPVX (sv) != mg->mg_ptr) |
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203 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
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204 | |
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205 | SvCUR_set (sv, 0); |
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206 | SvPVX (sv) = 0; |
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207 | SvOK_off (sv); |
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208 | |
90 | return -1; |
209 | return 0; |
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210 | } |
91 | |
211 | |
92 | enum { |
212 | static MGVTBL mmap_vtbl = { |
93 | REQ_QUIT, |
213 | 0, 0, 0, 0, mmap_free |
94 | REQ_OPEN, REQ_CLOSE, |
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95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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96 | REQ_SENDFILE, |
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97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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98 | REQ_FSYNC, REQ_FDATASYNC, |
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99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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100 | REQ_MKNOD, REQ_READDIR, |
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101 | REQ_LINK, REQ_SYMLINK, |
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102 | REQ_GROUP, REQ_NOP, |
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103 | REQ_BUSY, |
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104 | }; |
214 | }; |
105 | |
215 | |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
216 | static int ecb_cold |
107 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
217 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
108 | |
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109 | typedef struct aio_cb |
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110 | { |
218 | { |
111 | struct aio_cb *volatile next; |
219 | free (mg->mg_ptr); |
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220 | mg->mg_obj = 0; /* just in case */ |
112 | |
221 | |
113 | SV *data, *callback; |
222 | SvREADONLY_off (sv); |
114 | SV *fh, *fh2; |
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115 | void *dataptr, *data2ptr; |
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116 | Stat_t *statdata; |
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117 | off_t offset; |
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118 | size_t length; |
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119 | ssize_t result; |
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120 | |
223 | |
121 | STRLEN dataoffset; |
224 | if (SvPVX (sv) != mg->mg_ptr) |
122 | int type; |
225 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
123 | int fd, fd2; |
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124 | int errorno; |
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125 | mode_t mode; /* open */ |
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126 | |
226 | |
127 | unsigned char flags; |
227 | SvCUR_set (sv, 0); |
128 | unsigned char pri; |
228 | SvPVX (sv) = 0; |
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229 | SvOK_off (sv); |
129 | |
230 | |
130 | SV *self; /* the perl counterpart of this request, if any */ |
231 | return 0; |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
232 | } |
132 | } aio_cb; |
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133 | |
233 | |
134 | enum { |
234 | static MGVTBL sysfree_vtbl = { |
135 | FLAG_CANCELLED = 0x01, |
235 | 0, 0, 0, 0, sysfree_free |
136 | }; |
236 | }; |
137 | |
237 | |
138 | typedef aio_cb *aio_req; |
238 | /*****************************************************************************/ |
139 | typedef aio_cb *aio_req_ornot; |
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140 | |
239 | |
141 | enum { |
240 | /* helper: set scalar to foreign ptr with custom free */ |
142 | PRI_MIN = -4, |
241 | static void |
143 | PRI_MAX = 4, |
242 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
144 | |
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145 | DEFAULT_PRI = 0, |
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146 | PRI_BIAS = -PRI_MIN, |
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147 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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148 | }; |
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149 | |
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150 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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151 | |
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152 | static unsigned int started, idle, wanted; |
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153 | |
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154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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156 | #else |
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157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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158 | #endif |
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159 | |
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160 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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161 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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162 | |
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163 | /* worker threads management */ |
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164 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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165 | |
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166 | typedef struct worker { |
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167 | /* locked by wrklock */ |
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168 | struct worker *prev, *next; |
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169 | |
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170 | pthread_t tid; |
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171 | |
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172 | /* locked by reslock, reqlock or wrklock */ |
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173 | aio_req req; /* currently processed request */ |
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174 | void *dbuf; |
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175 | DIR *dirp; |
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176 | } worker; |
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177 | |
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178 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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179 | |
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180 | static void worker_clear (worker *wrk) |
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181 | { |
243 | { |
182 | if (wrk->dirp) |
244 | sv_force_normal (sv); |
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245 | |
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246 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
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247 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
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248 | ->mg_obj = (SV *)length; |
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249 | |
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250 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
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251 | |
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252 | if (SvLEN (sv)) |
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253 | Safefree (SvPVX (sv)); |
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254 | |
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255 | SvPVX (sv) = (char *)addr; |
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256 | SvCUR_set (sv, length); |
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257 | SvLEN_set (sv, 0); |
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258 | SvPOK_only (sv); |
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259 | } |
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260 | |
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261 | static void |
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262 | sv_clear_foreign (SV *sv) |
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263 | { |
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264 | /* todo: iterate over magic and only free ours, but of course */ |
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265 | /* the perl5porters will call that (correct) behaviour buggy */ |
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266 | sv_unmagic (sv, FOREIGN_MAGIC); |
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267 | } |
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268 | |
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269 | /*****************************************************************************/ |
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270 | |
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271 | static void |
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272 | fiemap (eio_req *req) |
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273 | { |
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274 | req->result = -1; |
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275 | |
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276 | #if HAVE_FIEMAP |
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277 | /* assume some c99 */ |
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278 | struct fiemap *fiemap = 0; |
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279 | size_t end_offset; |
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280 | int count = req->int3; |
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281 | |
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282 | req->flags |= EIO_FLAG_PTR1_FREE; |
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283 | |
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284 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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285 | /* increase in 3.5kb steps */ |
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286 | if (count < 0) |
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287 | count = 8; |
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288 | |
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289 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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290 | errno = ENOMEM; |
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291 | if (!fiemap) |
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292 | return; |
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293 | |
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294 | req->ptr1 = fiemap; |
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295 | |
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296 | fiemap->fm_start = req->offs; |
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297 | fiemap->fm_length = req->size; |
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298 | fiemap->fm_flags = req->int2; |
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299 | fiemap->fm_extent_count = count; |
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300 | |
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301 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
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302 | return; |
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303 | |
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304 | if (req->int3 >= 0 /* not autosizing */ |
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305 | || !fiemap->fm_mapped_extents /* no more extents */ |
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306 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
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307 | goto done; |
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308 | |
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309 | /* else we have to loop - |
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310 | * it would be tempting (actually I tried that first) to just query the |
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311 | * number of extents needed, but linux often feels like not returning all |
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312 | * extents, without telling us it left any out. this complicates |
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313 | * this quite a bit. |
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314 | */ |
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315 | |
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316 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
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317 | |
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318 | for (;;) |
183 | { |
319 | { |
184 | closedir (wrk->dirp); |
320 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
185 | wrk->dirp = 0; |
321 | char scratch[3072]; |
186 | } |
322 | struct fiemap *incmap = (struct fiemap *)scratch; |
187 | |
323 | |
188 | if (wrk->dbuf) |
324 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
189 | { |
325 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
190 | free (wrk->dbuf); |
326 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
191 | wrk->dbuf = 0; |
327 | incmap->fm_flags = fiemap->fm_flags; |
192 | } |
328 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
193 | } |
|
|
194 | |
329 | |
195 | static void worker_free (worker *wrk) |
330 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
196 | { |
|
|
197 | wrk->next->prev = wrk->prev; |
|
|
198 | wrk->prev->next = wrk->next; |
|
|
199 | |
|
|
200 | free (wrk); |
|
|
201 | } |
|
|
202 | |
|
|
203 | static volatile unsigned int nreqs, nready, npending; |
|
|
204 | static volatile unsigned int max_idle = 4; |
|
|
205 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
206 | static int respipe [2]; |
|
|
207 | |
|
|
208 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
|
|
209 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
|
|
210 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
211 | |
|
|
212 | #if WORDREAD_UNSAFE |
|
|
213 | |
|
|
214 | static unsigned int get_nready () |
|
|
215 | { |
|
|
216 | unsigned int retval; |
|
|
217 | |
|
|
218 | LOCK (reqlock); |
|
|
219 | retval = nready; |
|
|
220 | UNLOCK (reqlock); |
|
|
221 | |
|
|
222 | return retval; |
|
|
223 | } |
|
|
224 | |
|
|
225 | static unsigned int get_npending () |
|
|
226 | { |
|
|
227 | unsigned int retval; |
|
|
228 | |
|
|
229 | LOCK (reslock); |
|
|
230 | retval = npending; |
|
|
231 | UNLOCK (reslock); |
|
|
232 | |
|
|
233 | return retval; |
|
|
234 | } |
|
|
235 | |
|
|
236 | #else |
|
|
237 | |
|
|
238 | # define get_nready() nready |
|
|
239 | # define get_npending() npending |
|
|
240 | |
|
|
241 | #endif |
|
|
242 | |
|
|
243 | /* |
|
|
244 | * a somewhat faster data structure might be nice, but |
|
|
245 | * with 8 priorities this actually needs <20 insns |
|
|
246 | * per shift, the most expensive operation. |
|
|
247 | */ |
|
|
248 | typedef struct { |
|
|
249 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
250 | int size; |
|
|
251 | } reqq; |
|
|
252 | |
|
|
253 | static reqq req_queue; |
|
|
254 | static reqq res_queue; |
|
|
255 | |
|
|
256 | int reqq_push (reqq *q, aio_req req) |
|
|
257 | { |
|
|
258 | int pri = req->pri; |
|
|
259 | req->next = 0; |
|
|
260 | |
|
|
261 | if (q->qe[pri]) |
|
|
262 | { |
|
|
263 | q->qe[pri]->next = req; |
|
|
264 | q->qe[pri] = req; |
|
|
265 | } |
|
|
266 | else |
|
|
267 | q->qe[pri] = q->qs[pri] = req; |
|
|
268 | |
|
|
269 | return q->size++; |
|
|
270 | } |
|
|
271 | |
|
|
272 | aio_req reqq_shift (reqq *q) |
|
|
273 | { |
|
|
274 | int pri; |
|
|
275 | |
|
|
276 | if (!q->size) |
|
|
277 | return 0; |
331 | return; |
278 | |
332 | |
279 | --q->size; |
333 | if (!incmap->fm_mapped_extents) |
|
|
334 | goto done; |
280 | |
335 | |
281 | for (pri = NUM_PRI; pri--; ) |
336 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
282 | { |
337 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
283 | aio_req req = q->qs[pri]; |
338 | errno = ENOMEM; |
284 | |
|
|
285 | if (req) |
339 | if (!fiemap) |
|
|
340 | return; |
|
|
341 | |
|
|
342 | req->ptr1 = fiemap; |
|
|
343 | |
|
|
344 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
286 | { |
345 | { |
287 | if (!(q->qs[pri] = req->next)) |
346 | struct fiemap_extent *e = incmap->fm_extents + count; |
288 | q->qe[pri] = 0; |
|
|
289 | |
347 | |
290 | return req; |
348 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
349 | goto done; |
|
|
350 | |
|
|
351 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
352 | |
|
|
353 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
354 | goto done; |
|
|
355 | |
291 | } |
356 | } |
292 | } |
357 | } |
293 | |
358 | |
294 | abort (); |
359 | done: |
295 | } |
360 | req->result = 0; |
296 | |
361 | |
297 | static int poll_cb (int max); |
362 | #else |
298 | static void req_invoke (aio_req req); |
363 | errno = ENOSYS; |
|
|
364 | #endif |
|
|
365 | } |
|
|
366 | |
|
|
367 | /*****************************************************************************/ |
|
|
368 | |
|
|
369 | enum { |
|
|
370 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
371 | }; |
|
|
372 | |
|
|
373 | typedef eio_req *aio_req; |
|
|
374 | typedef eio_req *aio_req_ornot; |
|
|
375 | typedef eio_wd aio_wd; |
|
|
376 | |
|
|
377 | static SV *on_next_submit; |
|
|
378 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
379 | static int max_outstanding; |
|
|
380 | |
|
|
381 | static s_epipe respipe; |
|
|
382 | |
299 | static void req_free (aio_req req); |
383 | static void req_destroy (aio_req req); |
300 | static void req_cancel (aio_req req); |
384 | static void req_cancel (aio_req req); |
301 | |
385 | |
|
|
386 | static void |
|
|
387 | want_poll (void) |
|
|
388 | { |
|
|
389 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
390 | s_epipe_signal (&respipe); |
|
|
391 | } |
|
|
392 | |
|
|
393 | static void |
|
|
394 | done_poll (void) |
|
|
395 | { |
|
|
396 | /* read any signals sent by the worker threads */ |
|
|
397 | s_epipe_drain (&respipe); |
|
|
398 | } |
|
|
399 | |
302 | /* must be called at most once */ |
400 | /* must be called at most once */ |
303 | static SV *req_sv (aio_req req, const char *klass) |
401 | static SV * |
|
|
402 | req_sv (aio_req req, HV *stash) |
304 | { |
403 | { |
305 | if (!req->self) |
404 | if (!req->self) |
306 | { |
405 | { |
307 | req->self = (SV *)newHV (); |
406 | req->self = (SV *)newHV (); |
308 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
407 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
309 | } |
408 | } |
310 | |
409 | |
311 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
410 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
312 | } |
411 | } |
313 | |
412 | |
314 | static aio_req SvAIO_REQ (SV *sv) |
413 | static SV * |
|
|
414 | newSVaio_wd (aio_wd wd) |
|
|
415 | { |
|
|
416 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
417 | } |
|
|
418 | |
|
|
419 | static aio_req |
|
|
420 | SvAIO_REQ (SV *sv) |
315 | { |
421 | { |
316 | MAGIC *mg; |
422 | MAGIC *mg; |
317 | |
423 | |
318 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
424 | if (!SvROK (sv) |
|
|
425 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
426 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
427 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
428 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
319 | croak ("object of class " AIO_REQ_KLASS " expected"); |
429 | croak ("object of class IO::AIO::REQ expected"); |
320 | |
430 | |
321 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
431 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
322 | |
432 | |
323 | return mg ? (aio_req)mg->mg_ptr : 0; |
433 | return mg ? (aio_req)mg->mg_ptr : 0; |
324 | } |
434 | } |
325 | |
435 | |
|
|
436 | static aio_wd |
|
|
437 | SvAIO_WD (SV *sv) |
|
|
438 | { |
|
|
439 | if (!SvROK (sv) |
|
|
440 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
441 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
442 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
443 | |
|
|
444 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
445 | } |
|
|
446 | |
|
|
447 | static SV * |
|
|
448 | newmortalFH (int fd, int flags) |
|
|
449 | { |
|
|
450 | if (fd < 0) |
|
|
451 | return &PL_sv_undef; |
|
|
452 | |
|
|
453 | GV *gv = (GV *)sv_newmortal (); |
|
|
454 | char sym[64]; |
|
|
455 | int symlen; |
|
|
456 | |
|
|
457 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
458 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
459 | |
|
|
460 | symlen = snprintf ( |
|
|
461 | sym, |
|
|
462 | sizeof (sym), |
|
|
463 | "%s&=%d", |
|
|
464 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
465 | fd |
|
|
466 | ); |
|
|
467 | |
|
|
468 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
469 | ? (SV *)gv : &PL_sv_undef; |
|
|
470 | } |
|
|
471 | |
|
|
472 | static void |
326 | static void aio_grp_feed (aio_req grp) |
473 | aio_grp_feed (aio_req grp) |
327 | { |
474 | { |
328 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
475 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
476 | { |
330 | int old_len = grp->length; |
|
|
331 | |
|
|
332 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
333 | { |
|
|
334 | dSP; |
477 | dSP; |
335 | |
478 | |
336 | ENTER; |
479 | ENTER; |
337 | SAVETMPS; |
480 | SAVETMPS; |
338 | PUSHMARK (SP); |
481 | PUSHMARK (SP); |
339 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
482 | XPUSHs (req_sv (grp, aio_grp_stash)); |
340 | PUTBACK; |
483 | PUTBACK; |
341 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
484 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
342 | SPAGAIN; |
485 | SPAGAIN; |
343 | FREETMPS; |
486 | FREETMPS; |
344 | LEAVE; |
487 | LEAVE; |
345 | } |
|
|
346 | |
|
|
347 | /* stop if no progress has been made */ |
|
|
348 | if (old_len == grp->length) |
|
|
349 | { |
|
|
350 | SvREFCNT_dec (grp->fh2); |
|
|
351 | grp->fh2 = 0; |
|
|
352 | break; |
|
|
353 | } |
|
|
354 | } |
488 | } |
355 | } |
489 | } |
356 | |
490 | |
357 | static void aio_grp_dec (aio_req grp) |
491 | static void |
|
|
492 | req_submit (eio_req *req) |
358 | { |
493 | { |
359 | --grp->length; |
494 | eio_submit (req); |
360 | |
495 | |
361 | /* call feeder, if applicable */ |
496 | if (expect_false (on_next_submit)) |
362 | aio_grp_feed (grp); |
|
|
363 | |
|
|
364 | /* finish, if done */ |
|
|
365 | if (!grp->length && grp->fd) |
|
|
366 | { |
497 | { |
367 | req_invoke (grp); |
498 | dSP; |
368 | req_free (grp); |
499 | SV *cb = sv_2mortal (on_next_submit); |
|
|
500 | |
|
|
501 | on_next_submit = 0; |
|
|
502 | |
|
|
503 | PUSHMARK (SP); |
|
|
504 | PUTBACK; |
|
|
505 | call_sv (cb, G_DISCARD | G_EVAL); |
369 | } |
506 | } |
370 | } |
507 | } |
371 | |
508 | |
|
|
509 | static int |
372 | static void req_invoke (aio_req req) |
510 | req_invoke (eio_req *req) |
373 | { |
511 | { |
374 | dSP; |
512 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
513 | SvREADONLY_off (req->sv2); |
375 | |
514 | |
376 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
515 | if (!EIO_CANCELLED (req) && req->callback) |
377 | { |
516 | { |
|
|
517 | dSP; |
|
|
518 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
519 | SV *sv_result; |
|
|
520 | |
378 | ENTER; |
521 | ENTER; |
379 | SAVETMPS; |
522 | SAVETMPS; |
380 | PUSHMARK (SP); |
523 | PUSHMARK (SP); |
381 | EXTEND (SP, 1); |
524 | EXTEND (SP, 1); |
382 | |
525 | |
|
|
526 | /* do not recreate the result IV from scratch each time */ |
|
|
527 | if (expect_true (sv_result_cache)) |
|
|
528 | { |
|
|
529 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
530 | SvIV_set (sv_result, req->result); |
|
|
531 | SvIOK_only (sv_result); |
|
|
532 | } |
|
|
533 | else |
|
|
534 | { |
|
|
535 | sv_result = newSViv (req->result); |
|
|
536 | SvREADONLY_on (sv_result); |
|
|
537 | } |
|
|
538 | |
383 | switch (req->type) |
539 | switch (req->type) |
384 | { |
540 | { |
|
|
541 | case EIO_WD_OPEN: |
|
|
542 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
543 | break; |
|
|
544 | |
385 | case REQ_READDIR: |
545 | case EIO_READDIR: |
386 | { |
546 | { |
387 | SV *rv = &PL_sv_undef; |
547 | SV *rv = &PL_sv_undef; |
388 | |
548 | |
389 | if (req->result >= 0) |
549 | if (req->result >= 0) |
390 | { |
550 | { |
391 | int i; |
551 | int i; |
392 | char *buf = req->data2ptr; |
552 | char *names = (char *)req->ptr2; |
|
|
553 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
393 | AV *av = newAV (); |
554 | AV *av = newAV (); |
394 | |
555 | |
395 | av_extend (av, req->result - 1); |
556 | av_extend (av, req->result - 1); |
396 | |
557 | |
397 | for (i = 0; i < req->result; ++i) |
558 | for (i = 0; i < req->result; ++i) |
398 | { |
559 | { |
399 | SV *sv = newSVpv (buf, 0); |
560 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
561 | { |
|
|
562 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
400 | |
563 | |
|
|
564 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
565 | { |
|
|
566 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
567 | AV *avent = newAV (); |
|
|
568 | |
|
|
569 | av_extend (avent, 2); |
|
|
570 | |
|
|
571 | if (!sv_type [ent->type]) |
|
|
572 | { |
|
|
573 | sv_type [ent->type] = newSViv (ent->type); |
|
|
574 | SvREADONLY_on (sv_type [ent->type]); |
|
|
575 | } |
|
|
576 | |
|
|
577 | av_store (avent, 0, namesv); |
|
|
578 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
579 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
580 | |
|
|
581 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
582 | } |
|
|
583 | else |
401 | av_store (av, i, sv); |
584 | av_store (av, i, namesv); |
|
|
585 | |
|
|
586 | ++ent; |
|
|
587 | } |
|
|
588 | else |
|
|
589 | { |
|
|
590 | SV *name = newSVpv (names, 0); |
|
|
591 | av_store (av, i, name); |
402 | buf += SvCUR (sv) + 1; |
592 | names += SvCUR (name) + 1; |
|
|
593 | } |
403 | } |
594 | } |
404 | |
595 | |
405 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
596 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
406 | } |
597 | } |
407 | |
598 | |
408 | PUSHs (rv); |
599 | PUSHs (rv); |
|
|
600 | |
|
|
601 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
602 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
409 | } |
603 | } |
410 | break; |
604 | break; |
411 | |
605 | |
412 | case REQ_OPEN: |
606 | case EIO_OPEN: |
|
|
607 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
608 | break; |
|
|
609 | |
|
|
610 | case EIO_STATVFS: |
|
|
611 | case EIO_FSTATVFS: |
413 | { |
612 | { |
414 | /* convert fd to fh */ |
613 | SV *rv = &PL_sv_undef; |
415 | SV *fh; |
614 | |
|
|
615 | #ifndef _WIN32 |
|
|
616 | if (req->result >= 0) |
|
|
617 | { |
|
|
618 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
619 | HV *hv = newHV (); |
|
|
620 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
621 | * chooses to make it a struct. |
|
|
622 | */ |
|
|
623 | unsigned long fsid = 0; |
|
|
624 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
416 | |
625 | |
417 | PUSHs (sv_2mortal (newSViv (req->result))); |
626 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
418 | PUTBACK; |
|
|
419 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
420 | SPAGAIN; |
|
|
421 | |
627 | |
422 | fh = SvREFCNT_inc (POPs); |
628 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
629 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
630 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
631 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
632 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
633 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
634 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
635 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
636 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
637 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
638 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
639 | } |
|
|
640 | #endif |
423 | |
641 | |
424 | PUSHMARK (SP); |
642 | PUSHs (rv); |
425 | XPUSHs (sv_2mortal (fh)); |
|
|
426 | } |
643 | } |
|
|
644 | |
427 | break; |
645 | break; |
428 | |
646 | |
429 | case REQ_GROUP: |
647 | case EIO_GROUP: |
430 | req->fd = 2; /* mark group as finished */ |
648 | req->int1 = 2; /* mark group as finished */ |
431 | |
649 | |
432 | if (req->data) |
650 | if (req->sv1) |
433 | { |
651 | { |
434 | int i; |
652 | int i; |
435 | AV *av = (AV *)req->data; |
653 | AV *av = (AV *)req->sv1; |
436 | |
654 | |
437 | EXTEND (SP, AvFILL (av) + 1); |
655 | EXTEND (SP, AvFILL (av) + 1); |
438 | for (i = 0; i <= AvFILL (av); ++i) |
656 | for (i = 0; i <= AvFILL (av); ++i) |
439 | PUSHs (*av_fetch (av, i, 0)); |
657 | PUSHs (*av_fetch (av, i, 0)); |
440 | } |
658 | } |
441 | break; |
659 | break; |
442 | |
660 | |
443 | case REQ_NOP: |
661 | case EIO_NOP: |
444 | case REQ_BUSY: |
662 | case EIO_BUSY: |
445 | break; |
663 | break; |
446 | |
664 | |
|
|
665 | case EIO_READLINK: |
|
|
666 | case EIO_REALPATH: |
|
|
667 | if (req->result > 0) |
|
|
668 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
669 | break; |
|
|
670 | |
|
|
671 | case EIO_STAT: |
|
|
672 | case EIO_LSTAT: |
|
|
673 | case EIO_FSTAT: |
|
|
674 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
675 | |
|
|
676 | if (!(PL_laststatval = req->result)) |
|
|
677 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
678 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
679 | |
|
|
680 | PUSHs (sv_result); |
|
|
681 | break; |
|
|
682 | |
|
|
683 | case EIO_SEEK: |
|
|
684 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
685 | break; |
|
|
686 | |
|
|
687 | case EIO_READ: |
|
|
688 | { |
|
|
689 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
690 | *SvEND (req->sv2) = 0; |
|
|
691 | SvPOK_only (req->sv2); |
|
|
692 | SvSETMAGIC (req->sv2); |
|
|
693 | PUSHs (sv_result); |
|
|
694 | } |
|
|
695 | break; |
|
|
696 | |
|
|
697 | case EIO_SLURP: |
|
|
698 | { |
|
|
699 | if (req->result >= 0) |
|
|
700 | { |
|
|
701 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
702 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
703 | { |
|
|
704 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
705 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
706 | } |
|
|
707 | else |
|
|
708 | { |
|
|
709 | SvCUR_set (req->sv2, req->result); |
|
|
710 | *SvEND (req->sv2) = 0; |
|
|
711 | SvPOK_only (req->sv2); |
|
|
712 | } |
|
|
713 | |
|
|
714 | SvSETMAGIC (req->sv2); |
|
|
715 | } |
|
|
716 | |
|
|
717 | PUSHs (sv_result); |
|
|
718 | } |
|
|
719 | break; |
|
|
720 | |
|
|
721 | case EIO_CUSTOM: |
|
|
722 | if (req->feed == fiemap) |
|
|
723 | { |
|
|
724 | #if HAVE_FIEMAP |
|
|
725 | if (!req->result) |
|
|
726 | { |
|
|
727 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
728 | |
|
|
729 | if (fiemap->fm_extent_count) |
|
|
730 | { |
|
|
731 | AV *av = newAV (); |
|
|
732 | int i; |
|
|
733 | |
|
|
734 | while (fiemap->fm_mapped_extents) |
|
|
735 | { |
|
|
736 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
737 | AV *ext_av = newAV (); |
|
|
738 | |
|
|
739 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
740 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
741 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
742 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
743 | |
|
|
744 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
745 | } |
|
|
746 | |
|
|
747 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
748 | } |
|
|
749 | else |
|
|
750 | { |
|
|
751 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
752 | PUSHs (sv_result); |
|
|
753 | } |
|
|
754 | } |
|
|
755 | #endif |
|
|
756 | } |
|
|
757 | else |
|
|
758 | PUSHs (sv_result); |
|
|
759 | break; |
|
|
760 | |
|
|
761 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
762 | if (req->result > 0) |
|
|
763 | SvIV_set (sv_result, 0); |
|
|
764 | /* FALLTHROUGH */ |
|
|
765 | |
447 | default: |
766 | default: |
448 | PUSHs (sv_2mortal (newSViv (req->result))); |
767 | PUSHs (sv_result); |
449 | break; |
768 | break; |
450 | } |
769 | } |
451 | |
770 | |
452 | errno = req->errorno; |
771 | errno = req->errorno; |
453 | |
772 | |
454 | PUTBACK; |
773 | PUTBACK; |
455 | call_sv (req->callback, G_VOID | G_EVAL); |
774 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
456 | SPAGAIN; |
775 | SPAGAIN; |
|
|
776 | |
|
|
777 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
778 | SvREFCNT_dec (sv_result); |
|
|
779 | else |
|
|
780 | sv_result_cache = sv_result; |
457 | |
781 | |
458 | FREETMPS; |
782 | FREETMPS; |
459 | LEAVE; |
783 | LEAVE; |
|
|
784 | |
|
|
785 | PUTBACK; |
460 | } |
786 | } |
461 | |
787 | |
462 | if (req->grp) |
788 | return !!SvTRUE (ERRSV); |
463 | { |
|
|
464 | aio_req grp = req->grp; |
|
|
465 | |
|
|
466 | /* unlink request */ |
|
|
467 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
468 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
469 | |
|
|
470 | if (grp->grp_first == req) |
|
|
471 | grp->grp_first = req->grp_next; |
|
|
472 | |
|
|
473 | aio_grp_dec (grp); |
|
|
474 | } |
|
|
475 | |
|
|
476 | if (SvTRUE (ERRSV)) |
|
|
477 | { |
|
|
478 | req_free (req); |
|
|
479 | croak (0); |
|
|
480 | } |
|
|
481 | } |
789 | } |
482 | |
790 | |
483 | static void req_free (aio_req req) |
791 | static void |
|
|
792 | req_destroy (aio_req req) |
484 | { |
793 | { |
485 | if (req->self) |
794 | if (req->self) |
486 | { |
795 | { |
487 | sv_unmagic (req->self, PERL_MAGIC_ext); |
796 | sv_unmagic (req->self, PERL_MAGIC_ext); |
488 | SvREFCNT_dec (req->self); |
797 | SvREFCNT_dec (req->self); |
489 | } |
798 | } |
490 | |
799 | |
491 | SvREFCNT_dec (req->data); |
|
|
492 | SvREFCNT_dec (req->fh); |
800 | SvREFCNT_dec (req->sv1); |
493 | SvREFCNT_dec (req->fh2); |
801 | SvREFCNT_dec (req->sv2); |
|
|
802 | SvREFCNT_dec (req->sv3); |
|
|
803 | SvREFCNT_dec (req->sv4); |
494 | SvREFCNT_dec (req->callback); |
804 | SvREFCNT_dec (req->callback); |
495 | Safefree (req->statdata); |
|
|
496 | |
805 | |
497 | if (req->type == REQ_READDIR) |
|
|
498 | free (req->data2ptr); |
|
|
499 | |
|
|
500 | Safefree (req); |
806 | free (req); |
501 | } |
807 | } |
502 | |
808 | |
|
|
809 | static void |
503 | static void req_cancel_subs (aio_req grp) |
810 | req_cancel_subs (aio_req grp) |
504 | { |
811 | { |
505 | aio_req sub; |
|
|
506 | |
|
|
507 | if (grp->type != REQ_GROUP) |
812 | if (grp->type != EIO_GROUP) |
508 | return; |
813 | return; |
509 | |
814 | |
510 | SvREFCNT_dec (grp->fh2); |
815 | SvREFCNT_dec (grp->sv2); |
511 | grp->fh2 = 0; |
816 | grp->sv2 = 0; |
512 | |
817 | |
513 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
818 | eio_grp_cancel (grp); |
514 | req_cancel (sub); |
|
|
515 | } |
819 | } |
516 | |
820 | |
517 | static void req_cancel (aio_req req) |
821 | static void ecb_cold |
|
|
822 | create_respipe (void) |
518 | { |
823 | { |
519 | req->flags |= FLAG_CANCELLED; |
824 | if (s_epipe_renew (&respipe)) |
520 | |
825 | croak ("IO::AIO: unable to initialize result pipe"); |
521 | req_cancel_subs (req); |
|
|
522 | } |
826 | } |
523 | |
827 | |
524 | static void *aio_proc(void *arg); |
828 | static void |
525 | |
829 | poll_wait (void) |
526 | static void start_thread (void) |
|
|
527 | { |
830 | { |
528 | sigset_t fullsigset, oldsigset; |
|
|
529 | pthread_attr_t attr; |
|
|
530 | |
|
|
531 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
532 | |
|
|
533 | if (!wrk) |
|
|
534 | croak ("unable to allocate worker thread data"); |
|
|
535 | |
|
|
536 | pthread_attr_init (&attr); |
|
|
537 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
538 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
539 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
540 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
541 | #endif |
|
|
542 | |
|
|
543 | sigfillset (&fullsigset); |
|
|
544 | |
|
|
545 | LOCK (wrklock); |
|
|
546 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
547 | |
|
|
548 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
549 | { |
|
|
550 | wrk->prev = &wrk_first; |
|
|
551 | wrk->next = wrk_first.next; |
|
|
552 | wrk_first.next->prev = wrk; |
|
|
553 | wrk_first.next = wrk; |
|
|
554 | ++started; |
|
|
555 | } |
|
|
556 | else |
|
|
557 | free (wrk); |
|
|
558 | |
|
|
559 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
560 | UNLOCK (wrklock); |
|
|
561 | } |
|
|
562 | |
|
|
563 | static void maybe_start_thread () |
|
|
564 | { |
|
|
565 | if (started >= wanted) |
|
|
566 | return; |
|
|
567 | |
|
|
568 | /* todo: maybe use idle here, but might be less exact */ |
|
|
569 | if ((int)nready <= (int)started - (int)(nreqs - get_nready () - get_npending ())) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | start_thread (); |
|
|
573 | } |
|
|
574 | |
|
|
575 | static void req_send (aio_req req) |
|
|
576 | { |
|
|
577 | ++nreqs; |
|
|
578 | |
|
|
579 | LOCK (reqlock); |
|
|
580 | ++nready; |
|
|
581 | reqq_push (&req_queue, req); |
|
|
582 | pthread_cond_signal (&reqwait); |
|
|
583 | UNLOCK (reqlock); |
|
|
584 | |
|
|
585 | maybe_start_thread (); |
|
|
586 | } |
|
|
587 | |
|
|
588 | static void end_thread (void) |
|
|
589 | { |
|
|
590 | aio_req req; |
|
|
591 | |
|
|
592 | Newz (0, req, 1, aio_cb); |
|
|
593 | |
|
|
594 | req->type = REQ_QUIT; |
|
|
595 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | reqq_push (&req_queue, req); |
|
|
599 | pthread_cond_signal (&reqwait); |
|
|
600 | UNLOCK (reqlock); |
|
|
601 | |
|
|
602 | LOCK (wrklock); |
|
|
603 | --started; |
|
|
604 | UNLOCK (wrklock); |
|
|
605 | } |
|
|
606 | |
|
|
607 | static void min_parallel (int nthreads) |
|
|
608 | { |
|
|
609 | if (wanted < nthreads) |
|
|
610 | wanted = nthreads; |
|
|
611 | } |
|
|
612 | |
|
|
613 | static void max_parallel (int nthreads) |
|
|
614 | { |
|
|
615 | if (wanted > nthreads) |
|
|
616 | wanted = nthreads; |
|
|
617 | |
|
|
618 | while (started > wanted) |
|
|
619 | end_thread (); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void poll_wait () |
|
|
623 | { |
|
|
624 | fd_set rfd; |
|
|
625 | |
|
|
626 | while (nreqs) |
831 | while (eio_nreqs ()) |
627 | { |
832 | { |
628 | int size; |
833 | int size; |
629 | if (WORDREAD_UNSAFE) LOCK (reslock); |
834 | |
|
|
835 | X_LOCK (EIO_POOL->reslock); |
630 | size = res_queue.size; |
836 | size = EIO_POOL->res_queue.size; |
631 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
837 | X_UNLOCK (EIO_POOL->reslock); |
632 | |
838 | |
633 | if (size) |
839 | if (size) |
634 | return; |
840 | return; |
635 | |
841 | |
636 | maybe_start_thread (); |
842 | etp_maybe_start_thread (EIO_POOL); |
637 | |
843 | |
638 | FD_ZERO(&rfd); |
844 | s_epipe_wait (&respipe); |
639 | FD_SET(respipe [0], &rfd); |
|
|
640 | |
|
|
641 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
642 | } |
845 | } |
643 | } |
846 | } |
644 | |
847 | |
645 | static int poll_cb (int max) |
848 | static int |
|
|
849 | poll_cb (void) |
646 | { |
850 | { |
647 | dSP; |
|
|
648 | int count = 0; |
|
|
649 | int do_croak = 0; |
|
|
650 | aio_req req; |
|
|
651 | |
|
|
652 | for (;;) |
851 | for (;;) |
653 | { |
852 | { |
654 | while (max <= 0 || count < max) |
853 | int res = eio_poll (); |
|
|
854 | |
|
|
855 | if (res > 0) |
|
|
856 | croak (0); |
|
|
857 | |
|
|
858 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
859 | return res; |
|
|
860 | |
|
|
861 | poll_wait (); |
|
|
862 | } |
|
|
863 | } |
|
|
864 | |
|
|
865 | static void ecb_cold |
|
|
866 | reinit (void) |
|
|
867 | { |
|
|
868 | create_respipe (); |
|
|
869 | |
|
|
870 | if (eio_init (want_poll, done_poll) < 0) |
|
|
871 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
872 | } |
|
|
873 | |
|
|
874 | /*****************************************************************************/ |
|
|
875 | |
|
|
876 | static SV * |
|
|
877 | get_cb (SV *cb_sv) |
|
|
878 | { |
|
|
879 | SvGETMAGIC (cb_sv); |
|
|
880 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
881 | } |
|
|
882 | |
|
|
883 | static aio_req ecb_noinline |
|
|
884 | dreq (SV *callback) |
|
|
885 | { |
|
|
886 | SV *cb_cv; |
|
|
887 | aio_req req; |
|
|
888 | int req_pri = next_pri; |
|
|
889 | next_pri = EIO_PRI_DEFAULT; |
|
|
890 | |
|
|
891 | cb_cv = get_cb (callback); |
|
|
892 | |
|
|
893 | req = calloc (sizeof (*req), 1); |
|
|
894 | if (!req) |
|
|
895 | croak ("out of memory during eio_req allocation"); |
|
|
896 | |
|
|
897 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
898 | req->pri = req_pri; |
|
|
899 | |
|
|
900 | return req; |
|
|
901 | } |
|
|
902 | |
|
|
903 | #define dREQ \ |
|
|
904 | aio_req req = dreq (callback); \ |
|
|
905 | |
|
|
906 | #define REQ_SEND \ |
|
|
907 | PUTBACK; \ |
|
|
908 | req_submit (req); \ |
|
|
909 | SPAGAIN; \ |
|
|
910 | \ |
|
|
911 | if (GIMME_V != G_VOID) \ |
|
|
912 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
913 | |
|
|
914 | ecb_inline void |
|
|
915 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
916 | { |
|
|
917 | if (expect_false (SvROK (path))) |
|
|
918 | { |
|
|
919 | SV *rv = SvRV (path); |
|
|
920 | SV *wdob; |
|
|
921 | |
|
|
922 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
655 | { |
923 | { |
656 | maybe_start_thread (); |
924 | path = AvARRAY (rv)[1]; |
|
|
925 | wdob = AvARRAY (rv)[0]; |
657 | |
926 | |
658 | LOCK (reslock); |
927 | if (SvOK (wdob)) |
659 | req = reqq_shift (&res_queue); |
|
|
660 | |
|
|
661 | if (req) |
|
|
662 | { |
928 | { |
663 | --npending; |
929 | *wd = SvAIO_WD (wdob); |
664 | |
930 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
665 | if (!res_queue.size) |
|
|
666 | { |
|
|
667 | /* read any signals sent by the worker threads */ |
|
|
668 | char buf [32]; |
|
|
669 | while (read (respipe [0], buf, 32) == 32) |
|
|
670 | ; |
|
|
671 | } |
|
|
672 | } |
|
|
673 | |
|
|
674 | UNLOCK (reslock); |
|
|
675 | |
|
|
676 | if (!req) |
|
|
677 | break; |
|
|
678 | |
|
|
679 | --nreqs; |
|
|
680 | |
|
|
681 | if (req->type == REQ_GROUP && req->length) |
|
|
682 | { |
|
|
683 | req->fd = 1; /* mark request as delayed */ |
|
|
684 | continue; |
|
|
685 | } |
931 | } |
686 | else |
932 | else |
687 | { |
933 | *wd = EIO_INVALID_WD; |
688 | if (req->type == REQ_READ) |
|
|
689 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
690 | |
|
|
691 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
692 | SvREADONLY_off (req->data); |
|
|
693 | |
|
|
694 | if (req->statdata) |
|
|
695 | { |
|
|
696 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
697 | PL_laststatval = req->result; |
|
|
698 | PL_statcache = *(req->statdata); |
|
|
699 | } |
|
|
700 | |
|
|
701 | req_invoke (req); |
|
|
702 | |
|
|
703 | count++; |
|
|
704 | } |
|
|
705 | |
|
|
706 | req_free (req); |
|
|
707 | } |
934 | } |
|
|
935 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
936 | { |
|
|
937 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
938 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
939 | *ptr = "."; |
|
|
940 | return; /* path set to "." */ |
|
|
941 | } |
|
|
942 | else |
|
|
943 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
944 | } |
708 | |
945 | |
709 | if (nreqs <= max_outstanding) |
946 | *pathsv = newSVsv (path); |
|
|
947 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
948 | } |
|
|
949 | |
|
|
950 | static void ecb_noinline |
|
|
951 | req_set_path1 (aio_req req, SV *path) |
|
|
952 | { |
|
|
953 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
954 | } |
|
|
955 | |
|
|
956 | static void ecb_noinline |
|
|
957 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
958 | { |
|
|
959 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
960 | |
|
|
961 | switch (SvTYPE (rv)) |
|
|
962 | { |
|
|
963 | case SVt_PVIO: |
|
|
964 | case SVt_PVLV: |
|
|
965 | case SVt_PVGV: |
|
|
966 | req->type = type_fh; |
|
|
967 | req->sv1 = newSVsv (fh_or_path); |
|
|
968 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
710 | break; |
969 | break; |
711 | |
970 | |
712 | poll_wait (); |
971 | default: |
713 | |
972 | req->type = type_path; |
714 | max = 0; |
973 | req_set_path1 (req, fh_or_path); |
|
|
974 | break; |
715 | } |
975 | } |
716 | |
|
|
717 | return count; |
|
|
718 | } |
976 | } |
719 | |
977 | |
720 | static void create_pipe () |
978 | XS(boot_IO__AIO) ecb_cold; |
721 | { |
|
|
722 | if (pipe (respipe)) |
|
|
723 | croak ("unable to initialize result pipe"); |
|
|
724 | |
979 | |
725 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
726 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
727 | |
|
|
728 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
729 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
730 | } |
|
|
731 | |
|
|
732 | /*****************************************************************************/ |
|
|
733 | /* work around various missing functions */ |
|
|
734 | |
|
|
735 | #if !HAVE_PREADWRITE |
|
|
736 | # define pread aio_pread |
|
|
737 | # define pwrite aio_pwrite |
|
|
738 | |
|
|
739 | /* |
|
|
740 | * make our pread/pwrite safe against themselves, but not against |
|
|
741 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
742 | * but that's your problem, not mine. |
|
|
743 | */ |
|
|
744 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
745 | |
|
|
746 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
747 | { |
|
|
748 | ssize_t res; |
|
|
749 | off_t ooffset; |
|
|
750 | |
|
|
751 | LOCK (preadwritelock); |
|
|
752 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
753 | lseek (fd, offset, SEEK_SET); |
|
|
754 | res = read (fd, buf, count); |
|
|
755 | lseek (fd, ooffset, SEEK_SET); |
|
|
756 | UNLOCK (preadwritelock); |
|
|
757 | |
|
|
758 | return res; |
|
|
759 | } |
|
|
760 | |
|
|
761 | static ssize_t pwrite (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 = write (fd, buf, count); |
|
|
770 | lseek (fd, offset, SEEK_SET); |
|
|
771 | UNLOCK (preadwritelock); |
|
|
772 | |
|
|
773 | return res; |
|
|
774 | } |
|
|
775 | #endif |
|
|
776 | |
|
|
777 | #if !HAVE_FDATASYNC |
|
|
778 | # define fdatasync fsync |
|
|
779 | #endif |
|
|
780 | |
|
|
781 | #if !HAVE_READAHEAD |
|
|
782 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
783 | |
|
|
784 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
785 | { |
|
|
786 | dBUF; |
|
|
787 | |
|
|
788 | while (count > 0) |
|
|
789 | { |
|
|
790 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
791 | |
|
|
792 | pread (fd, aio_buf, len, offset); |
|
|
793 | offset += len; |
|
|
794 | count -= len; |
|
|
795 | } |
|
|
796 | |
|
|
797 | errno = 0; |
|
|
798 | } |
|
|
799 | |
|
|
800 | #endif |
|
|
801 | |
|
|
802 | #if !HAVE_READDIR_R |
|
|
803 | # define readdir_r aio_readdir_r |
|
|
804 | |
|
|
805 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
806 | |
|
|
807 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
808 | { |
|
|
809 | struct dirent *e; |
|
|
810 | int errorno; |
|
|
811 | |
|
|
812 | LOCK (readdirlock); |
|
|
813 | |
|
|
814 | e = readdir (dirp); |
|
|
815 | errorno = errno; |
|
|
816 | |
|
|
817 | if (e) |
|
|
818 | { |
|
|
819 | *res = ent; |
|
|
820 | strcpy (ent->d_name, e->d_name); |
|
|
821 | } |
|
|
822 | else |
|
|
823 | *res = 0; |
|
|
824 | |
|
|
825 | UNLOCK (readdirlock); |
|
|
826 | |
|
|
827 | errno = errorno; |
|
|
828 | return e ? 0 : -1; |
|
|
829 | } |
|
|
830 | #endif |
|
|
831 | |
|
|
832 | /* sendfile always needs emulation */ |
|
|
833 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
834 | { |
|
|
835 | ssize_t res; |
|
|
836 | |
|
|
837 | if (!count) |
|
|
838 | return 0; |
|
|
839 | |
|
|
840 | #if HAVE_SENDFILE |
|
|
841 | # if __linux |
|
|
842 | res = sendfile (ofd, ifd, &offset, count); |
|
|
843 | |
|
|
844 | # elif __freebsd |
|
|
845 | /* |
|
|
846 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
847 | * wasted on making it similar to other I/O functions. |
|
|
848 | */ |
|
|
849 | { |
|
|
850 | off_t sbytes; |
|
|
851 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
852 | |
|
|
853 | if (res < 0 && sbytes) |
|
|
854 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
855 | res = sbytes; |
|
|
856 | } |
|
|
857 | |
|
|
858 | # elif __hpux |
|
|
859 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
860 | |
|
|
861 | # elif __solaris |
|
|
862 | { |
|
|
863 | struct sendfilevec vec; |
|
|
864 | size_t sbytes; |
|
|
865 | |
|
|
866 | vec.sfv_fd = ifd; |
|
|
867 | vec.sfv_flag = 0; |
|
|
868 | vec.sfv_off = offset; |
|
|
869 | vec.sfv_len = count; |
|
|
870 | |
|
|
871 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
872 | |
|
|
873 | if (res < 0 && sbytes) |
|
|
874 | res = sbytes; |
|
|
875 | } |
|
|
876 | |
|
|
877 | # endif |
|
|
878 | #else |
|
|
879 | res = -1; |
|
|
880 | errno = ENOSYS; |
|
|
881 | #endif |
|
|
882 | |
|
|
883 | if (res < 0 |
|
|
884 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
885 | #if __solaris |
|
|
886 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
887 | #endif |
|
|
888 | ) |
|
|
889 | ) |
|
|
890 | { |
|
|
891 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
892 | dBUF; |
|
|
893 | |
|
|
894 | res = 0; |
|
|
895 | |
|
|
896 | while (count) |
|
|
897 | { |
|
|
898 | ssize_t cnt; |
|
|
899 | |
|
|
900 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
901 | |
|
|
902 | if (cnt <= 0) |
|
|
903 | { |
|
|
904 | if (cnt && !res) res = -1; |
|
|
905 | break; |
|
|
906 | } |
|
|
907 | |
|
|
908 | cnt = write (ofd, aio_buf, cnt); |
|
|
909 | |
|
|
910 | if (cnt <= 0) |
|
|
911 | { |
|
|
912 | if (cnt && !res) res = -1; |
|
|
913 | break; |
|
|
914 | } |
|
|
915 | |
|
|
916 | offset += cnt; |
|
|
917 | res += cnt; |
|
|
918 | count -= cnt; |
|
|
919 | } |
|
|
920 | } |
|
|
921 | |
|
|
922 | return res; |
|
|
923 | } |
|
|
924 | |
|
|
925 | /* read a full directory */ |
|
|
926 | static void scandir_ (aio_req req, worker *self) |
|
|
927 | { |
|
|
928 | DIR *dirp; |
|
|
929 | union |
|
|
930 | { |
|
|
931 | struct dirent d; |
|
|
932 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
933 | } *u; |
|
|
934 | struct dirent *entp; |
|
|
935 | char *name, *names; |
|
|
936 | int memlen = 4096; |
|
|
937 | int memofs = 0; |
|
|
938 | int res = 0; |
|
|
939 | int errorno; |
|
|
940 | |
|
|
941 | LOCK (wrklock); |
|
|
942 | self->dirp = dirp = opendir (req->dataptr); |
|
|
943 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
944 | req->data2ptr = names = malloc (memlen); |
|
|
945 | UNLOCK (wrklock); |
|
|
946 | |
|
|
947 | if (dirp && u && names) |
|
|
948 | for (;;) |
|
|
949 | { |
|
|
950 | errno = 0; |
|
|
951 | readdir_r (dirp, &u->d, &entp); |
|
|
952 | |
|
|
953 | if (!entp) |
|
|
954 | break; |
|
|
955 | |
|
|
956 | name = entp->d_name; |
|
|
957 | |
|
|
958 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
959 | { |
|
|
960 | int len = strlen (name) + 1; |
|
|
961 | |
|
|
962 | res++; |
|
|
963 | |
|
|
964 | while (memofs + len > memlen) |
|
|
965 | { |
|
|
966 | memlen *= 2; |
|
|
967 | LOCK (wrklock); |
|
|
968 | req->data2ptr = names = realloc (names, memlen); |
|
|
969 | UNLOCK (wrklock); |
|
|
970 | |
|
|
971 | if (!names) |
|
|
972 | break; |
|
|
973 | } |
|
|
974 | |
|
|
975 | memcpy (names + memofs, name, len); |
|
|
976 | memofs += len; |
|
|
977 | } |
|
|
978 | } |
|
|
979 | |
|
|
980 | if (errno) |
|
|
981 | res = -1; |
|
|
982 | |
|
|
983 | req->result = res; |
|
|
984 | } |
|
|
985 | |
|
|
986 | /*****************************************************************************/ |
|
|
987 | |
|
|
988 | static void *aio_proc (void *thr_arg) |
|
|
989 | { |
|
|
990 | aio_req req; |
|
|
991 | struct timespec ts; |
|
|
992 | worker *self = (worker *)thr_arg; |
|
|
993 | |
|
|
994 | /* try to distribute timeouts somewhat evenly */ |
|
|
995 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
996 | * (1000000000UL / 1024UL); |
|
|
997 | |
|
|
998 | for (;;) |
|
|
999 | { |
|
|
1000 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1001 | |
|
|
1002 | LOCK (reqlock); |
|
|
1003 | |
|
|
1004 | for (;;) |
|
|
1005 | { |
|
|
1006 | self->req = req = reqq_shift (&req_queue); |
|
|
1007 | |
|
|
1008 | if (req) |
|
|
1009 | break; |
|
|
1010 | |
|
|
1011 | ++idle; |
|
|
1012 | |
|
|
1013 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1014 | == ETIMEDOUT) |
|
|
1015 | { |
|
|
1016 | if (idle > max_idle) |
|
|
1017 | { |
|
|
1018 | --idle; |
|
|
1019 | UNLOCK (reqlock); |
|
|
1020 | LOCK (wrklock); |
|
|
1021 | --started; |
|
|
1022 | UNLOCK (wrklock); |
|
|
1023 | goto quit; |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1027 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1028 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1029 | } |
|
|
1030 | |
|
|
1031 | --idle; |
|
|
1032 | } |
|
|
1033 | |
|
|
1034 | --nready; |
|
|
1035 | |
|
|
1036 | UNLOCK (reqlock); |
|
|
1037 | |
|
|
1038 | errno = 0; /* strictly unnecessary */ |
|
|
1039 | |
|
|
1040 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1041 | switch (req->type) |
|
|
1042 | { |
|
|
1043 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1044 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1045 | |
|
|
1046 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1047 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1048 | |
|
|
1049 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1050 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1051 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1052 | |
|
|
1053 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1054 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1055 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1056 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1057 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1058 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1059 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1060 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
|
|
1061 | |
|
|
1062 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1063 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1064 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1065 | |
|
|
1066 | case REQ_BUSY: |
|
|
1067 | { |
|
|
1068 | struct timeval tv; |
|
|
1069 | |
|
|
1070 | tv.tv_sec = req->fd; |
|
|
1071 | tv.tv_usec = req->fd2; |
|
|
1072 | |
|
|
1073 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1074 | } |
|
|
1075 | |
|
|
1076 | case REQ_GROUP: |
|
|
1077 | case REQ_NOP: |
|
|
1078 | break; |
|
|
1079 | |
|
|
1080 | case REQ_QUIT: |
|
|
1081 | goto quit; |
|
|
1082 | |
|
|
1083 | default: |
|
|
1084 | req->result = ENOSYS; |
|
|
1085 | break; |
|
|
1086 | } |
|
|
1087 | |
|
|
1088 | req->errorno = errno; |
|
|
1089 | |
|
|
1090 | LOCK (reslock); |
|
|
1091 | |
|
|
1092 | ++npending; |
|
|
1093 | |
|
|
1094 | if (!reqq_push (&res_queue, req)) |
|
|
1095 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1096 | write (respipe [1], &respipe, 1); |
|
|
1097 | |
|
|
1098 | self->req = 0; |
|
|
1099 | worker_clear (self); |
|
|
1100 | |
|
|
1101 | UNLOCK (reslock); |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | quit: |
|
|
1105 | LOCK (wrklock); |
|
|
1106 | worker_free (self); |
|
|
1107 | UNLOCK (wrklock); |
|
|
1108 | |
|
|
1109 | return 0; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | /*****************************************************************************/ |
|
|
1113 | |
|
|
1114 | static void atfork_prepare (void) |
|
|
1115 | { |
|
|
1116 | LOCK (wrklock); |
|
|
1117 | LOCK (reqlock); |
|
|
1118 | LOCK (reslock); |
|
|
1119 | #if !HAVE_PREADWRITE |
|
|
1120 | LOCK (preadwritelock); |
|
|
1121 | #endif |
|
|
1122 | #if !HAVE_READDIR_R |
|
|
1123 | LOCK (readdirlock); |
|
|
1124 | #endif |
|
|
1125 | } |
|
|
1126 | |
|
|
1127 | static void atfork_parent (void) |
|
|
1128 | { |
|
|
1129 | #if !HAVE_READDIR_R |
|
|
1130 | UNLOCK (readdirlock); |
|
|
1131 | #endif |
|
|
1132 | #if !HAVE_PREADWRITE |
|
|
1133 | UNLOCK (preadwritelock); |
|
|
1134 | #endif |
|
|
1135 | UNLOCK (reslock); |
|
|
1136 | UNLOCK (reqlock); |
|
|
1137 | UNLOCK (wrklock); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | static void atfork_child (void) |
|
|
1141 | { |
|
|
1142 | aio_req prv; |
|
|
1143 | |
|
|
1144 | while (prv = reqq_shift (&req_queue)) |
|
|
1145 | req_free (prv); |
|
|
1146 | |
|
|
1147 | while (prv = reqq_shift (&res_queue)) |
|
|
1148 | req_free (prv); |
|
|
1149 | |
|
|
1150 | while (wrk_first.next != &wrk_first) |
|
|
1151 | { |
|
|
1152 | worker *wrk = wrk_first.next; |
|
|
1153 | |
|
|
1154 | if (wrk->req) |
|
|
1155 | req_free (wrk->req); |
|
|
1156 | |
|
|
1157 | worker_clear (wrk); |
|
|
1158 | worker_free (wrk); |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | started = 0; |
|
|
1162 | idle = 0; |
|
|
1163 | nreqs = 0; |
|
|
1164 | nready = 0; |
|
|
1165 | npending = 0; |
|
|
1166 | |
|
|
1167 | close (respipe [0]); |
|
|
1168 | close (respipe [1]); |
|
|
1169 | create_pipe (); |
|
|
1170 | |
|
|
1171 | atfork_parent (); |
|
|
1172 | } |
|
|
1173 | |
|
|
1174 | #define dREQ \ |
|
|
1175 | aio_req req; \ |
|
|
1176 | int req_pri = next_pri; \ |
|
|
1177 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1178 | \ |
|
|
1179 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1180 | croak ("callback must be undef or of reference type"); \ |
|
|
1181 | \ |
|
|
1182 | Newz (0, req, 1, aio_cb); \ |
|
|
1183 | if (!req) \ |
|
|
1184 | croak ("out of memory during aio_req allocation"); \ |
|
|
1185 | \ |
|
|
1186 | req->callback = newSVsv (callback); \ |
|
|
1187 | req->pri = req_pri |
|
|
1188 | |
|
|
1189 | #define REQ_SEND \ |
|
|
1190 | req_send (req); \ |
|
|
1191 | \ |
|
|
1192 | if (GIMME_V != G_VOID) \ |
|
|
1193 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1194 | |
|
|
1195 | MODULE = IO::AIO PACKAGE = IO::AIO |
980 | MODULE = IO::AIO PACKAGE = IO::AIO |
1196 | |
981 | |
1197 | PROTOTYPES: ENABLE |
982 | PROTOTYPES: ENABLE |
1198 | |
983 | |
1199 | BOOT: |
984 | BOOT: |
1200 | { |
985 | { |
|
|
986 | static const struct { |
|
|
987 | const char *name; |
|
|
988 | IV iv; |
|
|
989 | } *civ, const_iv[] = { |
|
|
990 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
991 | # define const_iv(name) { # name, (IV) name }, |
|
|
992 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
993 | |
|
|
994 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
995 | /* the first block can be undef if missing */ |
|
|
996 | const_iv (ENOSYS) |
|
|
997 | const_iv (EXDEV) |
|
|
998 | const_iv (EBADR) |
|
|
999 | |
|
|
1000 | /* for lseek */ |
|
|
1001 | const_iv (SEEK_DATA) |
|
|
1002 | const_iv (SEEK_HOLE) |
|
|
1003 | |
|
|
1004 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
1005 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
1006 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
1007 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
1008 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
1009 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
1010 | |
|
|
1011 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
1012 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
1013 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
1014 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
1015 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
1016 | |
|
|
1017 | /* the second block will be 0 when missing */ |
|
|
1018 | const_iv (O_RDONLY) |
|
|
1019 | const_iv (O_WRONLY) |
|
|
1020 | const_iv (O_RDWR) |
|
|
1021 | const_iv (O_CREAT) |
|
|
1022 | const_iv (O_TRUNC) |
|
|
1023 | const_iv (O_EXCL) |
|
|
1024 | const_iv (O_APPEND) |
|
|
1025 | |
|
|
1026 | const_iv (O_ASYNC) |
|
|
1027 | const_iv (O_DIRECT) |
|
|
1028 | const_iv (O_NOATIME) |
|
|
1029 | |
|
|
1030 | const_iv (O_CLOEXEC) |
|
|
1031 | const_iv (O_NOCTTY) |
|
|
1032 | const_iv (O_NOFOLLOW) |
|
|
1033 | const_iv (O_NONBLOCK) |
|
|
1034 | const_iv (O_EXEC) |
|
|
1035 | const_iv (O_SEARCH) |
|
|
1036 | const_iv (O_DIRECTORY) |
|
|
1037 | const_iv (O_DSYNC) |
|
|
1038 | const_iv (O_RSYNC) |
|
|
1039 | const_iv (O_SYNC) |
|
|
1040 | const_iv (O_PATH) |
|
|
1041 | const_iv (O_TMPFILE) |
|
|
1042 | const_iv (O_TTY_INIT) |
|
|
1043 | |
|
|
1044 | const_iv (S_IFIFO) |
|
|
1045 | const_iv (S_IFCHR) |
|
|
1046 | const_iv (S_IFBLK) |
|
|
1047 | const_iv (S_IFLNK) |
|
|
1048 | const_iv (S_IFREG) |
|
|
1049 | const_iv (S_IFDIR) |
|
|
1050 | const_iv (S_IFWHT) |
|
|
1051 | const_iv (S_IFSOCK) |
|
|
1052 | const_iv (S_IFMT) |
|
|
1053 | |
|
|
1054 | const_iv (ST_RDONLY) |
|
|
1055 | const_iv (ST_NOSUID) |
|
|
1056 | const_iv (ST_NODEV) |
|
|
1057 | const_iv (ST_NOEXEC) |
|
|
1058 | const_iv (ST_SYNCHRONOUS) |
|
|
1059 | const_iv (ST_MANDLOCK) |
|
|
1060 | const_iv (ST_WRITE) |
|
|
1061 | const_iv (ST_APPEND) |
|
|
1062 | const_iv (ST_IMMUTABLE) |
|
|
1063 | const_iv (ST_NOATIME) |
|
|
1064 | const_iv (ST_NODIRATIME) |
|
|
1065 | const_iv (ST_RELATIME) |
|
|
1066 | |
|
|
1067 | const_iv (PROT_NONE) |
|
|
1068 | const_iv (PROT_EXEC) |
|
|
1069 | const_iv (PROT_READ) |
|
|
1070 | const_iv (PROT_WRITE) |
|
|
1071 | |
|
|
1072 | const_iv (MAP_PRIVATE) |
|
|
1073 | const_iv (MAP_SHARED) |
|
|
1074 | const_iv (MAP_FIXED) |
|
|
1075 | const_iv (MAP_ANONYMOUS) |
|
|
1076 | |
|
|
1077 | /* linuxish */ |
|
|
1078 | const_iv (MAP_LOCKED) |
|
|
1079 | const_iv (MAP_NORESERVE) |
|
|
1080 | const_iv (MAP_POPULATE) |
|
|
1081 | const_iv (MAP_NONBLOCK) |
|
|
1082 | const_iv (MAP_GROWSDOWN) |
|
|
1083 | const_iv (MAP_32BIT) |
|
|
1084 | const_iv (MAP_HUGETLB) |
|
|
1085 | const_iv (MAP_STACK) |
|
|
1086 | |
|
|
1087 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1088 | |
|
|
1089 | const_iv (F_OFD_GETLK) |
|
|
1090 | const_iv (F_OFD_SETLK) |
|
|
1091 | const_iv (F_OFD_GETLKW) |
|
|
1092 | |
|
|
1093 | const_iv (FIFREEZE) |
|
|
1094 | const_iv (FITHAW) |
|
|
1095 | const_iv (FITRIM) |
|
|
1096 | const_iv (FICLONE) |
|
|
1097 | const_iv (FICLONERANGE) |
|
|
1098 | const_iv (FIDEDUPERANGE) |
|
|
1099 | |
|
|
1100 | const_iv (FS_IOC_GETFLAGS) |
|
|
1101 | const_iv (FS_IOC_SETFLAGS) |
|
|
1102 | const_iv (FS_IOC_GETVERSION) |
|
|
1103 | const_iv (FS_IOC_SETVERSION) |
|
|
1104 | const_iv (FS_IOC_FIEMAP) |
|
|
1105 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1106 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1107 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1108 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1109 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1110 | |
|
|
1111 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1112 | |
|
|
1113 | const_iv (FS_SECRM_FL) |
|
|
1114 | const_iv (FS_UNRM_FL) |
|
|
1115 | const_iv (FS_COMPR_FL) |
|
|
1116 | const_iv (FS_SYNC_FL) |
|
|
1117 | const_iv (FS_IMMUTABLE_FL) |
|
|
1118 | const_iv (FS_APPEND_FL) |
|
|
1119 | const_iv (FS_NODUMP_FL) |
|
|
1120 | const_iv (FS_NOATIME_FL) |
|
|
1121 | const_iv (FS_DIRTY_FL) |
|
|
1122 | const_iv (FS_COMPRBLK_FL) |
|
|
1123 | const_iv (FS_NOCOMP_FL) |
|
|
1124 | const_iv (FS_ENCRYPT_FL) |
|
|
1125 | const_iv (FS_BTREE_FL) |
|
|
1126 | const_iv (FS_INDEX_FL) |
|
|
1127 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1128 | const_iv (FS_NOTAIL_FL) |
|
|
1129 | const_iv (FS_DIRSYNC_FL) |
|
|
1130 | const_iv (FS_TOPDIR_FL) |
|
|
1131 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1132 | |
|
|
1133 | const_iv (FS_XFLAG_REALTIME) |
|
|
1134 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1135 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1136 | const_iv (FS_XFLAG_APPEND) |
|
|
1137 | const_iv (FS_XFLAG_SYNC) |
|
|
1138 | const_iv (FS_XFLAG_NOATIME) |
|
|
1139 | const_iv (FS_XFLAG_NODUMP) |
|
|
1140 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1141 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1142 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1143 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1144 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1145 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1146 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1147 | const_iv (FS_XFLAG_DAX) |
|
|
1148 | const_iv (FS_XFLAG_HASATTR) |
|
|
1149 | |
|
|
1150 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1151 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1152 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1153 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1154 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1155 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1156 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1157 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1158 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1159 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1160 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1161 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1162 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1163 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1164 | |
|
|
1165 | const_iv (SPLICE_F_MOVE) |
|
|
1166 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1167 | const_iv (SPLICE_F_MORE) |
|
|
1168 | const_iv (SPLICE_F_GIFT) |
|
|
1169 | |
|
|
1170 | const_iv (EFD_CLOEXEC) |
|
|
1171 | const_iv (EFD_NONBLOCK) |
|
|
1172 | const_iv (EFD_SEMAPHORE) |
|
|
1173 | |
|
|
1174 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1175 | const_eio (SEEK_SET) |
|
|
1176 | const_eio (SEEK_CUR) |
|
|
1177 | const_eio (SEEK_END) |
|
|
1178 | |
|
|
1179 | const_eio (MCL_FUTURE) |
|
|
1180 | const_eio (MCL_CURRENT) |
|
|
1181 | |
|
|
1182 | const_eio (MS_ASYNC) |
|
|
1183 | const_eio (MS_INVALIDATE) |
|
|
1184 | const_eio (MS_SYNC) |
|
|
1185 | |
|
|
1186 | const_eio (MT_MODIFY) |
|
|
1187 | |
|
|
1188 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1189 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1190 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1191 | |
|
|
1192 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1193 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1194 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1195 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1196 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1197 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1198 | |
|
|
1199 | const_eio (RENAME_NOREPLACE) |
|
|
1200 | const_eio (RENAME_EXCHANGE) |
|
|
1201 | const_eio (RENAME_WHITEOUT) |
|
|
1202 | |
|
|
1203 | const_eio (READDIR_DENTS) |
|
|
1204 | const_eio (READDIR_DIRS_FIRST) |
|
|
1205 | const_eio (READDIR_STAT_ORDER) |
|
|
1206 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1207 | |
|
|
1208 | const_eio (DT_UNKNOWN) |
|
|
1209 | const_eio (DT_FIFO) |
|
|
1210 | const_eio (DT_CHR) |
|
|
1211 | const_eio (DT_DIR) |
|
|
1212 | const_eio (DT_BLK) |
|
|
1213 | const_eio (DT_REG) |
|
|
1214 | const_eio (DT_LNK) |
|
|
1215 | const_eio (DT_SOCK) |
|
|
1216 | const_eio (DT_WHT) |
|
|
1217 | }; |
|
|
1218 | |
1201 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1219 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1220 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1221 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1222 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1202 | |
1223 | |
1203 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1224 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1204 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1225 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1205 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1206 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1207 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1208 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1209 | |
1226 | |
1210 | create_pipe (); |
1227 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1211 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1212 | } |
|
|
1213 | |
1228 | |
|
|
1229 | reinit (); |
|
|
1230 | } |
|
|
1231 | |
1214 | void |
1232 | void |
1215 | min_parallel (int nthreads) |
1233 | reinit () |
1216 | PROTOTYPE: $ |
1234 | PROTOTYPE: |
1217 | |
1235 | |
1218 | void |
1236 | void |
1219 | max_parallel (int nthreads) |
1237 | max_poll_reqs (unsigned int nreqs) |
1220 | PROTOTYPE: $ |
|
|
1221 | |
|
|
1222 | int |
|
|
1223 | max_outstanding (int maxreqs) |
|
|
1224 | PROTOTYPE: $ |
1238 | PROTOTYPE: $ |
1225 | CODE: |
1239 | CODE: |
1226 | RETVAL = max_outstanding; |
1240 | eio_set_max_poll_reqs (nreqs); |
|
|
1241 | |
|
|
1242 | void |
|
|
1243 | max_poll_time (double nseconds) |
|
|
1244 | PROTOTYPE: $ |
|
|
1245 | CODE: |
|
|
1246 | eio_set_max_poll_time (nseconds); |
|
|
1247 | |
|
|
1248 | void |
|
|
1249 | min_parallel (unsigned int nthreads) |
|
|
1250 | PROTOTYPE: $ |
|
|
1251 | CODE: |
|
|
1252 | eio_set_min_parallel (nthreads); |
|
|
1253 | |
|
|
1254 | void |
|
|
1255 | max_parallel (unsigned int nthreads) |
|
|
1256 | PROTOTYPE: $ |
|
|
1257 | CODE: |
|
|
1258 | eio_set_max_parallel (nthreads); |
|
|
1259 | |
|
|
1260 | void |
|
|
1261 | max_idle (unsigned int nthreads) |
|
|
1262 | PROTOTYPE: $ |
|
|
1263 | CODE: |
|
|
1264 | eio_set_max_idle (nthreads); |
|
|
1265 | |
|
|
1266 | void |
|
|
1267 | idle_timeout (unsigned int seconds) |
|
|
1268 | PROTOTYPE: $ |
|
|
1269 | CODE: |
|
|
1270 | eio_set_idle_timeout (seconds); |
|
|
1271 | |
|
|
1272 | void |
|
|
1273 | max_outstanding (unsigned int maxreqs) |
|
|
1274 | PROTOTYPE: $ |
|
|
1275 | CODE: |
1227 | max_outstanding = maxreqs; |
1276 | max_outstanding = maxreqs; |
1228 | OUTPUT: |
|
|
1229 | RETVAL |
|
|
1230 | |
1277 | |
1231 | void |
1278 | void |
1232 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1279 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1233 | SV * pathname |
|
|
1234 | int flags |
|
|
1235 | int mode |
|
|
1236 | SV * callback |
|
|
1237 | PROTOTYPE: $$$;$ |
|
|
1238 | PPCODE: |
1280 | PPCODE: |
1239 | { |
1281 | { |
1240 | dREQ; |
1282 | dREQ; |
1241 | |
1283 | |
1242 | req->type = REQ_OPEN; |
1284 | req->type = EIO_WD_OPEN; |
1243 | req->data = newSVsv (pathname); |
1285 | req_set_path1 (req, pathname); |
1244 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1245 | req->fd = flags; |
|
|
1246 | req->mode = mode; |
|
|
1247 | |
1286 | |
1248 | REQ_SEND; |
1287 | REQ_SEND; |
1249 | } |
1288 | } |
1250 | |
1289 | |
1251 | void |
1290 | void |
|
|
1291 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1292 | PPCODE: |
|
|
1293 | { |
|
|
1294 | dREQ; |
|
|
1295 | |
|
|
1296 | req->type = EIO_OPEN; |
|
|
1297 | req_set_path1 (req, pathname); |
|
|
1298 | req->int1 = flags; |
|
|
1299 | req->int2 = mode; |
|
|
1300 | |
|
|
1301 | REQ_SEND; |
|
|
1302 | } |
|
|
1303 | |
|
|
1304 | void |
1252 | aio_close (fh,callback=&PL_sv_undef) |
1305 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1253 | SV * fh |
|
|
1254 | SV * callback |
|
|
1255 | PROTOTYPE: $;$ |
|
|
1256 | ALIAS: |
1306 | ALIAS: |
1257 | aio_close = REQ_CLOSE |
|
|
1258 | aio_fsync = REQ_FSYNC |
1307 | aio_fsync = EIO_FSYNC |
1259 | aio_fdatasync = REQ_FDATASYNC |
1308 | aio_fdatasync = EIO_FDATASYNC |
|
|
1309 | aio_syncfs = EIO_SYNCFS |
1260 | PPCODE: |
1310 | PPCODE: |
1261 | { |
1311 | { |
|
|
1312 | int fd = s_fileno_croak (fh, 0); |
1262 | dREQ; |
1313 | dREQ; |
1263 | |
1314 | |
1264 | req->type = ix; |
1315 | req->type = ix; |
1265 | req->fh = newSVsv (fh); |
1316 | req->sv1 = newSVsv (fh); |
1266 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1317 | req->int1 = fd; |
1267 | |
1318 | |
1268 | REQ_SEND (req); |
1319 | REQ_SEND; |
1269 | } |
1320 | } |
1270 | |
1321 | |
1271 | void |
1322 | void |
|
|
1323 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1324 | PPCODE: |
|
|
1325 | { |
|
|
1326 | int fd = s_fileno_croak (fh, 0); |
|
|
1327 | dREQ; |
|
|
1328 | |
|
|
1329 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1330 | req->sv1 = newSVsv (fh); |
|
|
1331 | req->int1 = fd; |
|
|
1332 | req->offs = offset; |
|
|
1333 | req->size = nbytes; |
|
|
1334 | req->int2 = flags; |
|
|
1335 | |
|
|
1336 | REQ_SEND; |
|
|
1337 | } |
|
|
1338 | |
|
|
1339 | void |
|
|
1340 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1341 | PPCODE: |
|
|
1342 | { |
|
|
1343 | int fd = s_fileno_croak (fh, 0); |
|
|
1344 | dREQ; |
|
|
1345 | |
|
|
1346 | req->type = EIO_FALLOCATE; |
|
|
1347 | req->sv1 = newSVsv (fh); |
|
|
1348 | req->int1 = fd; |
|
|
1349 | req->int2 = mode; |
|
|
1350 | req->offs = offset; |
|
|
1351 | req->size = len; |
|
|
1352 | |
|
|
1353 | REQ_SEND; |
|
|
1354 | } |
|
|
1355 | |
|
|
1356 | void |
|
|
1357 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1358 | PPCODE: |
|
|
1359 | { |
|
|
1360 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1361 | int fd = s_fileno_croak (fh, 0); |
|
|
1362 | dREQ; |
|
|
1363 | |
|
|
1364 | if (expect_false (close_fd < 0)) |
|
|
1365 | { |
|
|
1366 | int pipefd [2]; |
|
|
1367 | |
|
|
1368 | if ( |
|
|
1369 | #ifdef _WIN32 |
|
|
1370 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1371 | #else |
|
|
1372 | pipe (pipefd) < 0 |
|
|
1373 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1374 | #endif |
|
|
1375 | || close (pipefd [1]) < 0 |
|
|
1376 | ) |
|
|
1377 | abort (); /*D*/ |
|
|
1378 | |
|
|
1379 | close_fd = pipefd [0]; |
|
|
1380 | } |
|
|
1381 | |
|
|
1382 | req->type = EIO_DUP2; |
|
|
1383 | req->int1 = close_fd; |
|
|
1384 | req->sv2 = newSVsv (fh); |
|
|
1385 | req->int2 = fd; |
|
|
1386 | |
|
|
1387 | REQ_SEND; |
|
|
1388 | } |
|
|
1389 | |
|
|
1390 | void |
|
|
1391 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1392 | PPCODE: |
|
|
1393 | { |
|
|
1394 | int fd = s_fileno_croak (fh, 0); |
|
|
1395 | dREQ; |
|
|
1396 | |
|
|
1397 | req->type = EIO_SEEK; |
|
|
1398 | req->sv1 = newSVsv (fh); |
|
|
1399 | req->int1 = fd; |
|
|
1400 | req->offs = SvVAL64 (offset); |
|
|
1401 | req->int2 = whence; |
|
|
1402 | |
|
|
1403 | REQ_SEND; |
|
|
1404 | } |
|
|
1405 | |
|
|
1406 | void |
1272 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1407 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1273 | SV * fh |
|
|
1274 | UV offset |
|
|
1275 | UV length |
|
|
1276 | SV * data |
|
|
1277 | UV dataoffset |
|
|
1278 | SV * callback |
|
|
1279 | ALIAS: |
1408 | ALIAS: |
1280 | aio_read = REQ_READ |
1409 | aio_read = EIO_READ |
1281 | aio_write = REQ_WRITE |
1410 | aio_write = EIO_WRITE |
1282 | PROTOTYPE: $$$$$;$ |
|
|
1283 | PPCODE: |
1411 | PPCODE: |
1284 | { |
1412 | { |
1285 | aio_req req; |
|
|
1286 | STRLEN svlen; |
1413 | STRLEN svlen; |
|
|
1414 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1287 | char *svptr = SvPVbyte (data, svlen); |
1415 | char *svptr = SvPVbyte (data, svlen); |
1288 | |
1416 | UV len = SvUV (length); |
1289 | SvUPGRADE (data, SVt_PV); |
|
|
1290 | SvPOK_on (data); |
|
|
1291 | |
1417 | |
1292 | if (dataoffset < 0) |
1418 | if (dataoffset < 0) |
1293 | dataoffset += svlen; |
1419 | dataoffset += svlen; |
1294 | |
1420 | |
1295 | if (dataoffset < 0 || dataoffset > svlen) |
1421 | if (dataoffset < 0 || dataoffset > svlen) |
1296 | croak ("data offset outside of string"); |
1422 | croak ("dataoffset outside of data scalar"); |
1297 | |
1423 | |
1298 | if (ix == REQ_WRITE) |
1424 | if (ix == EIO_WRITE) |
1299 | { |
1425 | { |
1300 | /* write: check length and adjust. */ |
1426 | /* write: check length and adjust. */ |
1301 | if (length < 0 || length + dataoffset > svlen) |
1427 | if (!SvOK (length) || len + dataoffset > svlen) |
1302 | length = svlen - dataoffset; |
1428 | len = svlen - dataoffset; |
1303 | } |
1429 | } |
1304 | else |
1430 | else |
1305 | { |
1431 | { |
1306 | /* read: grow scalar as necessary */ |
1432 | /* read: check type and grow scalar as necessary */ |
|
|
1433 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1307 | svptr = SvGROW (data, length + dataoffset); |
1434 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1435 | else if (SvCUR (data) < len + dataoffset) |
|
|
1436 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1308 | } |
1437 | } |
1309 | |
|
|
1310 | if (length < 0) |
|
|
1311 | croak ("length must not be negative"); |
|
|
1312 | |
1438 | |
1313 | { |
1439 | { |
1314 | dREQ; |
1440 | dREQ; |
1315 | |
1441 | |
1316 | req->type = ix; |
1442 | req->type = ix; |
1317 | req->fh = newSVsv (fh); |
1443 | req->sv1 = newSVsv (fh); |
1318 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1444 | req->int1 = fd; |
1319 | : IoOFP (sv_2io (fh))); |
1445 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1320 | req->offset = offset; |
1446 | req->size = len; |
1321 | req->length = length; |
|
|
1322 | req->data = SvREFCNT_inc (data); |
1447 | req->sv2 = SvREFCNT_inc (data); |
1323 | req->dataptr = (char *)svptr + dataoffset; |
1448 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1449 | req->stroffset = dataoffset; |
1324 | |
1450 | |
1325 | if (!SvREADONLY (data)) |
1451 | if (!SvREADONLY (data)) |
1326 | { |
1452 | { |
1327 | SvREADONLY_on (data); |
1453 | SvREADONLY_on (data); |
1328 | req->data2ptr = (void *)data; |
1454 | req->flags |= FLAG_SV2_RO_OFF; |
1329 | } |
1455 | } |
1330 | |
1456 | |
1331 | REQ_SEND; |
1457 | REQ_SEND; |
1332 | } |
1458 | } |
1333 | } |
1459 | } |
1334 | |
1460 | |
1335 | void |
1461 | void |
1336 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1462 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1337 | SV * out_fh |
1463 | ALIAS: |
1338 | SV * in_fh |
1464 | aio_ioctl = EIO_IOCTL |
1339 | UV in_offset |
1465 | aio_fcntl = EIO_FCNTL |
1340 | UV length |
|
|
1341 | SV * callback |
|
|
1342 | PROTOTYPE: $$$$;$ |
|
|
1343 | PPCODE: |
1466 | PPCODE: |
1344 | { |
1467 | { |
1345 | dREQ; |
1468 | int fd = s_fileno_croak (fh, 0); |
|
|
1469 | char *svptr; |
1346 | |
1470 | |
1347 | req->type = REQ_SENDFILE; |
1471 | if (SvPOK (arg) || !SvNIOK (arg)) |
1348 | req->fh = newSVsv (out_fh); |
|
|
1349 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1350 | req->fh2 = newSVsv (in_fh); |
|
|
1351 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1352 | req->offset = in_offset; |
|
|
1353 | req->length = length; |
|
|
1354 | |
|
|
1355 | REQ_SEND; |
|
|
1356 | } |
|
|
1357 | |
|
|
1358 | void |
|
|
1359 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
|
|
1360 | SV * fh |
|
|
1361 | UV offset |
|
|
1362 | IV length |
|
|
1363 | SV * callback |
|
|
1364 | PROTOTYPE: $$$;$ |
|
|
1365 | PPCODE: |
|
|
1366 | { |
|
|
1367 | dREQ; |
|
|
1368 | |
|
|
1369 | req->type = REQ_READAHEAD; |
|
|
1370 | req->fh = newSVsv (fh); |
|
|
1371 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1372 | req->offset = offset; |
|
|
1373 | req->length = length; |
|
|
1374 | |
|
|
1375 | REQ_SEND; |
|
|
1376 | } |
|
|
1377 | |
|
|
1378 | void |
|
|
1379 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
|
|
1380 | SV * fh_or_path |
|
|
1381 | SV * callback |
|
|
1382 | ALIAS: |
|
|
1383 | aio_stat = REQ_STAT |
|
|
1384 | aio_lstat = REQ_LSTAT |
|
|
1385 | PPCODE: |
|
|
1386 | { |
|
|
1387 | dREQ; |
|
|
1388 | |
|
|
1389 | New (0, req->statdata, 1, Stat_t); |
|
|
1390 | if (!req->statdata) |
|
|
1391 | { |
1472 | { |
1392 | req_free (req); |
1473 | STRLEN svlen; |
1393 | croak ("out of memory during aio_req->statdata allocation"); |
1474 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1394 | } |
1475 | #ifdef IOCPARM_LEN |
|
|
1476 | STRLEN need = IOCPARM_LEN (request); |
|
|
1477 | #else |
|
|
1478 | STRLEN need = 256; |
|
|
1479 | #endif |
1395 | |
1480 | |
1396 | if (SvPOK (fh_or_path)) |
1481 | if (svlen < need) |
1397 | { |
1482 | svptr = SvGROW (arg, need); |
1398 | req->type = ix; |
|
|
1399 | req->data = newSVsv (fh_or_path); |
|
|
1400 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1401 | } |
1483 | } |
1402 | else |
1484 | else |
|
|
1485 | svptr = (char *)SvIV (arg); |
|
|
1486 | |
1403 | { |
1487 | { |
|
|
1488 | dREQ; |
|
|
1489 | |
1404 | req->type = REQ_FSTAT; |
1490 | req->type = ix; |
1405 | req->fh = newSVsv (fh_or_path); |
1491 | req->sv1 = newSVsv (fh); |
1406 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1492 | req->int1 = fd; |
|
|
1493 | req->int2 = (long)request; |
|
|
1494 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1495 | req->ptr2 = svptr; |
|
|
1496 | |
|
|
1497 | REQ_SEND; |
1407 | } |
1498 | } |
|
|
1499 | } |
|
|
1500 | |
|
|
1501 | void |
|
|
1502 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1503 | ALIAS: |
|
|
1504 | aio_readlink = EIO_READLINK |
|
|
1505 | aio_realpath = EIO_REALPATH |
|
|
1506 | PPCODE: |
|
|
1507 | { |
|
|
1508 | dREQ; |
|
|
1509 | |
|
|
1510 | req->type = ix; |
|
|
1511 | req_set_path1 (req, pathname); |
1408 | |
1512 | |
1409 | REQ_SEND; |
1513 | REQ_SEND; |
1410 | } |
1514 | } |
1411 | |
1515 | |
1412 | void |
1516 | void |
1413 | aio_unlink (pathname,callback=&PL_sv_undef) |
1517 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1414 | SV * pathname |
1518 | PPCODE: |
1415 | SV * callback |
1519 | { |
|
|
1520 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1521 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1522 | dREQ; |
|
|
1523 | |
|
|
1524 | req->type = EIO_SENDFILE; |
|
|
1525 | req->sv1 = newSVsv (out_fh); |
|
|
1526 | req->int1 = ofd; |
|
|
1527 | req->sv2 = newSVsv (in_fh); |
|
|
1528 | req->int2 = ifd; |
|
|
1529 | req->offs = in_offset; |
|
|
1530 | req->size = length; |
|
|
1531 | |
|
|
1532 | REQ_SEND; |
|
|
1533 | } |
|
|
1534 | |
|
|
1535 | void |
|
|
1536 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1537 | PPCODE: |
|
|
1538 | { |
|
|
1539 | int fd = s_fileno_croak (fh, 0); |
|
|
1540 | dREQ; |
|
|
1541 | |
|
|
1542 | req->type = EIO_READAHEAD; |
|
|
1543 | req->sv1 = newSVsv (fh); |
|
|
1544 | req->int1 = fd; |
|
|
1545 | req->offs = offset; |
|
|
1546 | req->size = length; |
|
|
1547 | |
|
|
1548 | REQ_SEND; |
|
|
1549 | } |
|
|
1550 | |
|
|
1551 | void |
|
|
1552 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1416 | ALIAS: |
1553 | ALIAS: |
|
|
1554 | aio_stat = EIO_STAT |
|
|
1555 | aio_lstat = EIO_LSTAT |
|
|
1556 | aio_statvfs = EIO_STATVFS |
|
|
1557 | PPCODE: |
|
|
1558 | { |
|
|
1559 | dREQ; |
|
|
1560 | |
|
|
1561 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1562 | |
|
|
1563 | REQ_SEND; |
|
|
1564 | } |
|
|
1565 | |
|
|
1566 | UV |
|
|
1567 | major (UV dev) |
|
|
1568 | ALIAS: |
|
|
1569 | minor = 1 |
|
|
1570 | CODE: |
|
|
1571 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1572 | OUTPUT: |
|
|
1573 | RETVAL |
|
|
1574 | |
|
|
1575 | UV |
|
|
1576 | makedev (UV maj, UV min) |
|
|
1577 | CODE: |
|
|
1578 | RETVAL = makedev (maj, min); |
|
|
1579 | OUTPUT: |
|
|
1580 | RETVAL |
|
|
1581 | |
|
|
1582 | void |
|
|
1583 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1584 | PPCODE: |
|
|
1585 | { |
|
|
1586 | dREQ; |
|
|
1587 | |
|
|
1588 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1589 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1590 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1591 | |
|
|
1592 | REQ_SEND; |
|
|
1593 | } |
|
|
1594 | |
|
|
1595 | void |
|
|
1596 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1597 | PPCODE: |
|
|
1598 | { |
|
|
1599 | dREQ; |
|
|
1600 | |
|
|
1601 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1602 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1603 | |
|
|
1604 | REQ_SEND; |
|
|
1605 | } |
|
|
1606 | |
|
|
1607 | void |
|
|
1608 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1609 | PPCODE: |
|
|
1610 | { |
|
|
1611 | dREQ; |
|
|
1612 | |
|
|
1613 | req->int2 = mode; |
|
|
1614 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1615 | |
|
|
1616 | REQ_SEND; |
|
|
1617 | } |
|
|
1618 | |
|
|
1619 | void |
|
|
1620 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1621 | PPCODE: |
|
|
1622 | { |
|
|
1623 | dREQ; |
|
|
1624 | |
|
|
1625 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1626 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1627 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1628 | |
|
|
1629 | REQ_SEND; |
|
|
1630 | } |
|
|
1631 | |
|
|
1632 | void |
|
|
1633 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1634 | PPCODE: |
|
|
1635 | { |
|
|
1636 | dREQ; |
|
|
1637 | |
|
|
1638 | req->type = EIO_READDIR; |
|
|
1639 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1640 | |
|
|
1641 | if (flags & EIO_READDIR_DENTS) |
|
|
1642 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1643 | |
|
|
1644 | req_set_path1 (req, pathname); |
|
|
1645 | |
|
|
1646 | REQ_SEND; |
|
|
1647 | } |
|
|
1648 | |
|
|
1649 | void |
|
|
1650 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1651 | PPCODE: |
|
|
1652 | { |
|
|
1653 | dREQ; |
|
|
1654 | |
|
|
1655 | req->type = EIO_MKDIR; |
|
|
1656 | req->int2 = mode; |
|
|
1657 | req_set_path1 (req, pathname); |
|
|
1658 | |
|
|
1659 | REQ_SEND; |
|
|
1660 | } |
|
|
1661 | |
|
|
1662 | void |
|
|
1663 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1664 | ALIAS: |
1417 | aio_unlink = REQ_UNLINK |
1665 | aio_unlink = EIO_UNLINK |
1418 | aio_rmdir = REQ_RMDIR |
1666 | aio_rmdir = EIO_RMDIR |
1419 | aio_readdir = REQ_READDIR |
1667 | aio_readdir = EIO_READDIR |
1420 | PPCODE: |
1668 | PPCODE: |
1421 | { |
1669 | { |
1422 | dREQ; |
1670 | dREQ; |
1423 | |
1671 | |
1424 | req->type = ix; |
1672 | req->type = ix; |
1425 | req->data = newSVsv (pathname); |
1673 | req_set_path1 (req, pathname); |
1426 | req->dataptr = SvPVbyte_nolen (req->data); |
1674 | |
1427 | |
|
|
1428 | REQ_SEND; |
1675 | REQ_SEND; |
1429 | } |
1676 | } |
1430 | |
1677 | |
1431 | void |
1678 | void |
1432 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1679 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1433 | SV * oldpath |
|
|
1434 | SV * newpath |
|
|
1435 | SV * callback |
|
|
1436 | ALIAS: |
1680 | ALIAS: |
1437 | aio_link = REQ_LINK |
1681 | aio_link = EIO_LINK |
1438 | aio_symlink = REQ_SYMLINK |
1682 | aio_symlink = EIO_SYMLINK |
1439 | aio_rename = REQ_RENAME |
1683 | aio_rename = EIO_RENAME |
1440 | PPCODE: |
1684 | PPCODE: |
1441 | { |
1685 | { |
|
|
1686 | eio_wd wd2 = 0; |
1442 | dREQ; |
1687 | dREQ; |
1443 | |
1688 | |
1444 | req->type = ix; |
1689 | req->type = ix; |
1445 | req->fh = newSVsv (oldpath); |
1690 | req_set_path1 (req, oldpath); |
1446 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1691 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1447 | req->data = newSVsv (newpath); |
1692 | req->int3 = (long)wd2; |
1448 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1449 | |
1693 | |
1450 | REQ_SEND; |
1694 | REQ_SEND; |
1451 | } |
1695 | } |
1452 | |
1696 | |
1453 | void |
1697 | void |
1454 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1698 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
1455 | SV * pathname |
|
|
1456 | SV * callback |
|
|
1457 | UV mode |
|
|
1458 | UV dev |
|
|
1459 | PPCODE: |
1699 | PPCODE: |
1460 | { |
1700 | { |
|
|
1701 | eio_wd wd2 = 0; |
1461 | dREQ; |
1702 | dREQ; |
1462 | |
1703 | |
1463 | req->type = REQ_MKNOD; |
1704 | req->type = EIO_RENAME; |
1464 | req->data = newSVsv (pathname); |
1705 | req_set_path1 (req, oldpath); |
1465 | req->dataptr = SvPVbyte_nolen (req->data); |
1706 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1466 | req->mode = (mode_t)mode; |
1707 | req->int2 = flags; |
1467 | req->offset = dev; |
1708 | req->int3 = (long)wd2; |
1468 | |
1709 | |
1469 | REQ_SEND; |
1710 | REQ_SEND; |
1470 | } |
1711 | } |
1471 | |
1712 | |
1472 | void |
1713 | void |
1473 | aio_busy (delay,callback=&PL_sv_undef) |
1714 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1474 | double delay |
|
|
1475 | SV * callback |
|
|
1476 | PPCODE: |
1715 | PPCODE: |
1477 | { |
1716 | { |
1478 | dREQ; |
1717 | dREQ; |
1479 | |
1718 | |
1480 | req->type = REQ_BUSY; |
1719 | req->type = EIO_MKNOD; |
1481 | req->fd = delay < 0. ? 0 : delay; |
1720 | req->int2 = (mode_t)mode; |
1482 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1721 | req->offs = dev; |
1483 | |
1722 | req_set_path1 (req, pathname); |
|
|
1723 | |
1484 | REQ_SEND; |
1724 | REQ_SEND; |
1485 | } |
1725 | } |
1486 | |
1726 | |
1487 | void |
1727 | void |
1488 | aio_group (callback=&PL_sv_undef) |
1728 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
1489 | SV * callback |
1729 | ALIAS: |
1490 | PROTOTYPE: ;$ |
1730 | aio_mtouch = EIO_MTOUCH |
|
|
1731 | aio_msync = EIO_MSYNC |
1491 | PPCODE: |
1732 | PPCODE: |
1492 | { |
1733 | { |
|
|
1734 | STRLEN svlen; |
|
|
1735 | char *svptr = SvPVbyte (data, svlen); |
|
|
1736 | UV len = SvUV (length); |
|
|
1737 | |
|
|
1738 | if (flags < 0) |
|
|
1739 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1740 | |
|
|
1741 | if (offset < 0) |
|
|
1742 | offset += svlen; |
|
|
1743 | |
|
|
1744 | if (offset < 0 || offset > svlen) |
|
|
1745 | croak ("offset outside of scalar"); |
|
|
1746 | |
|
|
1747 | if (!SvOK (length) || len + offset > svlen) |
|
|
1748 | len = svlen - offset; |
|
|
1749 | |
|
|
1750 | { |
|
|
1751 | dREQ; |
|
|
1752 | |
|
|
1753 | req->type = ix; |
|
|
1754 | req->sv2 = SvREFCNT_inc (data); |
|
|
1755 | req->ptr2 = (char *)svptr + offset; |
|
|
1756 | req->size = len; |
|
|
1757 | req->int1 = flags; |
|
|
1758 | |
|
|
1759 | REQ_SEND; |
|
|
1760 | } |
|
|
1761 | } |
|
|
1762 | |
|
|
1763 | void |
|
|
1764 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1765 | PPCODE: |
|
|
1766 | { |
|
|
1767 | STRLEN svlen; |
|
|
1768 | char *svptr = SvPVbyte (data, svlen); |
|
|
1769 | UV len = SvUV (length); |
|
|
1770 | |
|
|
1771 | if (offset < 0) |
|
|
1772 | offset += svlen; |
|
|
1773 | |
|
|
1774 | if (offset < 0 || offset > svlen) |
|
|
1775 | croak ("offset outside of scalar"); |
|
|
1776 | |
|
|
1777 | if (!SvOK (length) || len + offset > svlen) |
|
|
1778 | len = svlen - offset; |
|
|
1779 | |
|
|
1780 | { |
|
|
1781 | dREQ; |
|
|
1782 | |
|
|
1783 | req->type = EIO_MLOCK; |
|
|
1784 | req->sv2 = SvREFCNT_inc (data); |
|
|
1785 | req->ptr2 = (char *)svptr + offset; |
|
|
1786 | req->size = len; |
|
|
1787 | |
|
|
1788 | REQ_SEND; |
|
|
1789 | } |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | void |
|
|
1793 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1794 | PPCODE: |
|
|
1795 | { |
|
|
1796 | dREQ; |
|
|
1797 | |
|
|
1798 | req->type = EIO_MLOCKALL; |
|
|
1799 | req->int1 = flags; |
|
|
1800 | |
|
|
1801 | REQ_SEND; |
|
|
1802 | } |
|
|
1803 | |
|
|
1804 | void |
|
|
1805 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1806 | PPCODE: |
|
|
1807 | { |
|
|
1808 | int fd = s_fileno_croak (fh, 0); |
1493 | dREQ; |
1809 | dREQ; |
1494 | |
1810 | |
1495 | req->type = REQ_GROUP; |
1811 | req->type = EIO_CUSTOM; |
1496 | req_send (req); |
1812 | req->sv1 = newSVsv (fh); |
|
|
1813 | req->int1 = fd; |
1497 | |
1814 | |
1498 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1815 | req->feed = fiemap; |
1499 | } |
1816 | #if HAVE_FIEMAP |
|
|
1817 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1818 | req->offs = start; |
|
|
1819 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1820 | req->int2 = flags; |
|
|
1821 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1822 | #endif |
1500 | |
1823 | |
|
|
1824 | REQ_SEND; |
|
|
1825 | } |
|
|
1826 | |
1501 | void |
1827 | void |
1502 | aio_nop (callback=&PL_sv_undef) |
1828 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
1503 | SV * callback |
1829 | PPCODE: |
|
|
1830 | { |
|
|
1831 | char *svptr = 0; |
|
|
1832 | |
|
|
1833 | sv_clear_foreign (data); |
|
|
1834 | |
|
|
1835 | if (length) /* known length, directly read into scalar */ |
|
|
1836 | { |
|
|
1837 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1838 | svptr = sv_grow (data, length + 1); |
|
|
1839 | else if (SvCUR (data) < length) |
|
|
1840 | croak ("length outside of scalar, and cannot grow"); |
|
|
1841 | else |
|
|
1842 | svptr = SvPVbyte_nolen (data); |
|
|
1843 | } |
|
|
1844 | |
|
|
1845 | { |
|
|
1846 | dREQ; |
|
|
1847 | |
|
|
1848 | req->type = EIO_SLURP; |
|
|
1849 | req_set_path1 (req, pathname); |
|
|
1850 | req->offs = offset; |
|
|
1851 | req->size = length; |
|
|
1852 | req->sv2 = SvREFCNT_inc (data); |
|
|
1853 | req->ptr2 = svptr; |
|
|
1854 | |
|
|
1855 | if (!SvREADONLY (data)) |
|
|
1856 | { |
|
|
1857 | SvREADONLY_on (data); |
|
|
1858 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1859 | } |
|
|
1860 | |
|
|
1861 | REQ_SEND; |
|
|
1862 | } |
|
|
1863 | } |
|
|
1864 | |
|
|
1865 | void |
|
|
1866 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1504 | PPCODE: |
1867 | PPCODE: |
1505 | { |
1868 | { |
1506 | dREQ; |
1869 | dREQ; |
1507 | |
1870 | |
1508 | req->type = REQ_NOP; |
1871 | req->type = EIO_BUSY; |
|
|
1872 | req->nv1 = delay < 0. ? 0. : delay; |
1509 | |
1873 | |
1510 | REQ_SEND; |
1874 | REQ_SEND; |
1511 | } |
1875 | } |
1512 | |
1876 | |
|
|
1877 | void |
|
|
1878 | aio_group (SV *callback = &PL_sv_undef) |
|
|
1879 | PPCODE: |
|
|
1880 | { |
|
|
1881 | dREQ; |
|
|
1882 | |
|
|
1883 | req->type = EIO_GROUP; |
|
|
1884 | |
|
|
1885 | PUTBACK; |
|
|
1886 | req_submit (req); |
|
|
1887 | SPAGAIN; |
|
|
1888 | |
|
|
1889 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1890 | } |
|
|
1891 | |
|
|
1892 | void |
|
|
1893 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
1894 | ALIAS: |
|
|
1895 | aio_nop = EIO_NOP |
|
|
1896 | aio_sync = EIO_SYNC |
|
|
1897 | PPCODE: |
|
|
1898 | { |
|
|
1899 | dREQ; |
|
|
1900 | |
|
|
1901 | req->type = ix; |
|
|
1902 | |
|
|
1903 | REQ_SEND; |
|
|
1904 | } |
|
|
1905 | |
1513 | int |
1906 | int |
1514 | aioreq_pri (int pri = 0) |
1907 | aioreq_pri (int pri = NO_INIT) |
1515 | PROTOTYPE: ;$ |
|
|
1516 | CODE: |
1908 | CODE: |
1517 | RETVAL = next_pri - PRI_BIAS; |
1909 | RETVAL = next_pri; |
1518 | if (items > 0) |
1910 | if (items > 0) |
1519 | { |
1911 | { |
1520 | if (pri < PRI_MIN) pri = PRI_MIN; |
1912 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1521 | if (pri > PRI_MAX) pri = PRI_MAX; |
1913 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1522 | next_pri = pri + PRI_BIAS; |
1914 | next_pri = pri; |
1523 | } |
1915 | } |
1524 | OUTPUT: |
1916 | OUTPUT: |
1525 | RETVAL |
1917 | RETVAL |
1526 | |
1918 | |
1527 | void |
1919 | void |
1528 | aioreq_nice (int nice = 0) |
1920 | aioreq_nice (int nice = 0) |
1529 | CODE: |
1921 | CODE: |
1530 | nice = next_pri - nice; |
1922 | nice = next_pri - nice; |
1531 | if (nice < PRI_MIN) nice = PRI_MIN; |
1923 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1532 | if (nice > PRI_MAX) nice = PRI_MAX; |
1924 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1533 | next_pri = nice + PRI_BIAS; |
1925 | next_pri = nice; |
1534 | |
1926 | |
1535 | void |
1927 | void |
1536 | flush () |
1928 | flush () |
|
|
1929 | CODE: |
|
|
1930 | while (eio_nreqs ()) |
|
|
1931 | { |
|
|
1932 | poll_wait (); |
|
|
1933 | poll_cb (); |
|
|
1934 | } |
|
|
1935 | |
|
|
1936 | int |
|
|
1937 | poll () |
|
|
1938 | CODE: |
|
|
1939 | poll_wait (); |
|
|
1940 | RETVAL = poll_cb (); |
|
|
1941 | OUTPUT: |
|
|
1942 | RETVAL |
|
|
1943 | |
|
|
1944 | int |
|
|
1945 | poll_fileno () |
|
|
1946 | CODE: |
|
|
1947 | RETVAL = s_epipe_fd (&respipe); |
|
|
1948 | OUTPUT: |
|
|
1949 | RETVAL |
|
|
1950 | |
|
|
1951 | int |
|
|
1952 | poll_cb (...) |
1537 | PROTOTYPE: |
1953 | PROTOTYPE: |
1538 | CODE: |
1954 | CODE: |
1539 | while (nreqs) |
|
|
1540 | { |
|
|
1541 | poll_wait (); |
|
|
1542 | poll_cb (0); |
1955 | RETVAL = poll_cb (); |
1543 | } |
|
|
1544 | |
|
|
1545 | void |
|
|
1546 | poll() |
|
|
1547 | PROTOTYPE: |
|
|
1548 | CODE: |
|
|
1549 | if (nreqs) |
|
|
1550 | { |
|
|
1551 | poll_wait (); |
|
|
1552 | poll_cb (0); |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | int |
|
|
1556 | poll_fileno() |
|
|
1557 | PROTOTYPE: |
|
|
1558 | CODE: |
|
|
1559 | RETVAL = respipe [0]; |
|
|
1560 | OUTPUT: |
1956 | OUTPUT: |
1561 | RETVAL |
1957 | RETVAL |
1562 | |
1958 | |
|
|
1959 | void |
|
|
1960 | poll_wait () |
|
|
1961 | CODE: |
|
|
1962 | poll_wait (); |
|
|
1963 | |
1563 | int |
1964 | int |
1564 | poll_cb(...) |
1965 | nreqs () |
1565 | PROTOTYPE: |
|
|
1566 | CODE: |
1966 | CODE: |
1567 | RETVAL = poll_cb (0); |
1967 | RETVAL = eio_nreqs (); |
1568 | OUTPUT: |
1968 | OUTPUT: |
1569 | RETVAL |
1969 | RETVAL |
1570 | |
1970 | |
1571 | int |
1971 | int |
1572 | poll_some(int max = 0) |
1972 | nready () |
1573 | PROTOTYPE: $ |
|
|
1574 | CODE: |
1973 | CODE: |
1575 | RETVAL = poll_cb (max); |
1974 | RETVAL = eio_nready (); |
1576 | OUTPUT: |
1975 | OUTPUT: |
1577 | RETVAL |
1976 | RETVAL |
1578 | |
1977 | |
1579 | void |
1978 | int |
1580 | poll_wait() |
1979 | npending () |
1581 | PROTOTYPE: |
|
|
1582 | CODE: |
1980 | CODE: |
1583 | if (nreqs) |
1981 | RETVAL = eio_npending (); |
1584 | poll_wait (); |
|
|
1585 | |
|
|
1586 | int |
|
|
1587 | nreqs() |
|
|
1588 | PROTOTYPE: |
|
|
1589 | CODE: |
|
|
1590 | RETVAL = nreqs; |
|
|
1591 | OUTPUT: |
1982 | OUTPUT: |
1592 | RETVAL |
1983 | RETVAL |
1593 | |
1984 | |
1594 | int |
1985 | int |
1595 | nready() |
1986 | nthreads () |
1596 | PROTOTYPE: |
|
|
1597 | CODE: |
1987 | CODE: |
1598 | RETVAL = get_nready (); |
1988 | RETVAL = eio_nthreads (); |
1599 | OUTPUT: |
1989 | OUTPUT: |
1600 | RETVAL |
1990 | RETVAL |
1601 | |
1991 | |
1602 | int |
1992 | int |
1603 | npending() |
1993 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1604 | PROTOTYPE: |
1994 | CODE: |
|
|
1995 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1996 | OUTPUT: |
|
|
1997 | RETVAL |
|
|
1998 | |
|
|
1999 | IV |
|
|
2000 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
2001 | CODE: |
|
|
2002 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
2003 | OUTPUT: |
|
|
2004 | RETVAL |
|
|
2005 | |
|
|
2006 | void |
|
|
2007 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2008 | PPCODE: |
|
|
2009 | sv_clear_foreign (scalar); |
|
|
2010 | { |
|
|
2011 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2012 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2013 | if (addr == (void *)-1) |
|
|
2014 | XSRETURN_NO; |
|
|
2015 | |
|
|
2016 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2017 | |
|
|
2018 | if (!(prot & PROT_WRITE)) |
|
|
2019 | SvREADONLY_on (scalar); |
|
|
2020 | |
|
|
2021 | XSRETURN_YES; |
|
|
2022 | } |
|
|
2023 | |
|
|
2024 | void |
|
|
2025 | munmap (SV *scalar) |
1605 | CODE: |
2026 | CODE: |
1606 | RETVAL = get_npending (); |
2027 | sv_clear_foreign (scalar); |
|
|
2028 | |
|
|
2029 | int |
|
|
2030 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2031 | ALIAS: |
|
|
2032 | mprotect = 1 |
|
|
2033 | CODE: |
|
|
2034 | { |
|
|
2035 | STRLEN svlen; |
|
|
2036 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2037 | STRLEN len = SvUV (length); |
|
|
2038 | |
|
|
2039 | if (offset < 0) |
|
|
2040 | offset += svlen; |
|
|
2041 | |
|
|
2042 | if (offset < 0 || offset > svlen) |
|
|
2043 | croak ("offset outside of scalar"); |
|
|
2044 | |
|
|
2045 | if (!SvOK (length) || len + offset > svlen) |
|
|
2046 | len = svlen - offset; |
|
|
2047 | |
|
|
2048 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2049 | eio_page_align (&addr, &len); |
|
|
2050 | |
|
|
2051 | switch (ix) |
|
|
2052 | { |
|
|
2053 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2054 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2055 | } |
|
|
2056 | } |
1607 | OUTPUT: |
2057 | OUTPUT: |
1608 | RETVAL |
2058 | RETVAL |
|
|
2059 | |
|
|
2060 | int |
|
|
2061 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
2062 | CODE: |
|
|
2063 | { |
|
|
2064 | STRLEN svlen; |
|
|
2065 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2066 | size_t len = SvUV (length); |
|
|
2067 | |
|
|
2068 | if (offset < 0) |
|
|
2069 | offset += svlen; |
|
|
2070 | |
|
|
2071 | if (offset < 0 || offset > svlen) |
|
|
2072 | croak ("offset outside of scalar"); |
|
|
2073 | |
|
|
2074 | if (!SvOK (length) || len + offset > svlen) |
|
|
2075 | len = svlen - offset; |
|
|
2076 | |
|
|
2077 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2078 | eio_page_align (&addr, &len); |
|
|
2079 | #if _POSIX_MEMLOCK_RANGE |
|
|
2080 | RETVAL = munlock (addr, len); |
|
|
2081 | #else |
|
|
2082 | RETVAL = EIO_ENOSYS (); |
|
|
2083 | #endif |
|
|
2084 | } |
|
|
2085 | OUTPUT: |
|
|
2086 | RETVAL |
|
|
2087 | |
|
|
2088 | int |
|
|
2089 | munlockall () |
|
|
2090 | CODE: |
|
|
2091 | #if _POSIX_MEMLOCK |
|
|
2092 | munlockall (); |
|
|
2093 | #else |
|
|
2094 | RETVAL = EIO_ENOSYS (); |
|
|
2095 | #endif |
|
|
2096 | OUTPUT: |
|
|
2097 | RETVAL |
|
|
2098 | |
|
|
2099 | int |
|
|
2100 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2101 | CODE: |
|
|
2102 | { |
|
|
2103 | #if HAVE_LINUX_SPLICE |
|
|
2104 | loff_t off_in_, off_out_; |
|
|
2105 | RETVAL = splice ( |
|
|
2106 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2107 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2108 | length, flags |
|
|
2109 | ); |
|
|
2110 | #else |
|
|
2111 | RETVAL = EIO_ENOSYS (); |
|
|
2112 | #endif |
|
|
2113 | } |
|
|
2114 | OUTPUT: |
|
|
2115 | RETVAL |
|
|
2116 | |
|
|
2117 | int |
|
|
2118 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2119 | CODE: |
|
|
2120 | #if HAVE_LINUX_SPLICE |
|
|
2121 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2122 | #else |
|
|
2123 | RETVAL = EIO_ENOSYS (); |
|
|
2124 | #endif |
|
|
2125 | OUTPUT: |
|
|
2126 | RETVAL |
|
|
2127 | |
|
|
2128 | int |
|
|
2129 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2130 | PROTOTYPE: $;$ |
|
|
2131 | CODE: |
|
|
2132 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2133 | if (new_size >= 0) |
|
|
2134 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2135 | else |
|
|
2136 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2137 | #else |
|
|
2138 | errno = ENOSYS; |
|
|
2139 | RETVAL = -1; |
|
|
2140 | #endif |
|
|
2141 | OUTPUT: |
|
|
2142 | RETVAL |
|
|
2143 | |
|
|
2144 | void |
|
|
2145 | pipe2 (int flags = 0) |
|
|
2146 | PROTOTYPE: ;$ |
|
|
2147 | PPCODE: |
|
|
2148 | { |
|
|
2149 | int fd[2]; |
|
|
2150 | int res; |
|
|
2151 | |
|
|
2152 | if (flags) |
|
|
2153 | #if HAVE_PIPE2 |
|
|
2154 | res = pipe2 (fd, flags); |
|
|
2155 | #else |
|
|
2156 | res = (errno = ENOSYS, -1); |
|
|
2157 | #endif |
|
|
2158 | else |
|
|
2159 | res = pipe (fd); |
|
|
2160 | |
|
|
2161 | if (!res) |
|
|
2162 | { |
|
|
2163 | EXTEND (SP, 2); |
|
|
2164 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2165 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2166 | } |
|
|
2167 | } |
|
|
2168 | |
|
|
2169 | void |
|
|
2170 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2171 | PPCODE: |
|
|
2172 | { |
|
|
2173 | int fd; |
|
|
2174 | #if HAVE_EVENTFD |
|
|
2175 | fd = eventfd (initval, flags); |
|
|
2176 | #else |
|
|
2177 | fd = (errno = ENOSYS, -1); |
|
|
2178 | #endif |
|
|
2179 | |
|
|
2180 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2181 | } |
|
|
2182 | |
|
|
2183 | UV |
|
|
2184 | get_fdlimit () |
|
|
2185 | CODE: |
|
|
2186 | #if HAVE_RLIMITS |
|
|
2187 | struct rlimit rl; |
|
|
2188 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2189 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2190 | #endif |
|
|
2191 | XSRETURN_UNDEF; |
|
|
2192 | OUTPUT: |
|
|
2193 | RETVAL |
|
|
2194 | |
|
|
2195 | void |
|
|
2196 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2197 | CODE: |
|
|
2198 | { |
|
|
2199 | #if HAVE_RLIMITS |
|
|
2200 | struct rlimit rl; |
|
|
2201 | rlim_t orig_rlim_max; |
|
|
2202 | UV bit; |
|
|
2203 | |
|
|
2204 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2205 | goto fail; |
|
|
2206 | |
|
|
2207 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2208 | XSRETURN_YES; |
|
|
2209 | |
|
|
2210 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2211 | |
|
|
2212 | if (rl.rlim_cur < limit) |
|
|
2213 | { |
|
|
2214 | rl.rlim_cur = limit; |
|
|
2215 | |
|
|
2216 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2217 | rl.rlim_max = rl.rlim_cur; |
|
|
2218 | } |
|
|
2219 | |
|
|
2220 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2221 | XSRETURN_YES; |
|
|
2222 | |
|
|
2223 | if (errno == EPERM) |
|
|
2224 | { |
|
|
2225 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2226 | /* our limit overflows a system-wide limit */ |
|
|
2227 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2228 | rl.rlim_max = 0; |
|
|
2229 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2230 | { |
|
|
2231 | rl.rlim_max |= bit; |
|
|
2232 | rl.rlim_cur = rl.rlim_max; |
|
|
2233 | |
|
|
2234 | /* nevr decrease the hard limit */ |
|
|
2235 | if (rl.rlim_max < orig_rlim_max) |
|
|
2236 | break; |
|
|
2237 | |
|
|
2238 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2239 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2240 | } |
|
|
2241 | |
|
|
2242 | /* now, raise the soft limit to the max permitted */ |
|
|
2243 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2244 | { |
|
|
2245 | rl.rlim_cur = rl.rlim_max; |
|
|
2246 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2247 | errno = EPERM; |
|
|
2248 | } |
|
|
2249 | } |
|
|
2250 | #endif |
|
|
2251 | fail: |
|
|
2252 | XSRETURN_UNDEF; |
|
|
2253 | } |
|
|
2254 | |
|
|
2255 | void _on_next_submit (SV *cb) |
|
|
2256 | CODE: |
|
|
2257 | SvREFCNT_dec (on_next_submit); |
|
|
2258 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1609 | |
2259 | |
1610 | PROTOTYPES: DISABLE |
2260 | PROTOTYPES: DISABLE |
|
|
2261 | |
|
|
2262 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2263 | |
|
|
2264 | BOOT: |
|
|
2265 | { |
|
|
2266 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2267 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2268 | } |
|
|
2269 | |
|
|
2270 | void |
|
|
2271 | DESTROY (SV *self) |
|
|
2272 | CODE: |
|
|
2273 | { |
|
|
2274 | aio_wd wd = SvAIO_WD (self); |
|
|
2275 | #if HAVE_AT |
|
|
2276 | { |
|
|
2277 | SV *callback = &PL_sv_undef; |
|
|
2278 | dREQ; /* clobbers next_pri :/ */ |
|
|
2279 | next_pri = req->pri; /* restore next_pri */ |
|
|
2280 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2281 | req->type = EIO_WD_CLOSE; |
|
|
2282 | req->wd = wd; |
|
|
2283 | REQ_SEND; |
|
|
2284 | } |
|
|
2285 | #else |
|
|
2286 | eio_wd_close_sync (wd); |
|
|
2287 | #endif |
|
|
2288 | } |
1611 | |
2289 | |
1612 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2290 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1613 | |
2291 | |
1614 | void |
2292 | void |
1615 | cancel (aio_req_ornot req) |
2293 | cancel (aio_req_ornot req) |
1616 | CODE: |
2294 | CODE: |
1617 | req_cancel (req); |
2295 | eio_cancel (req); |
1618 | |
2296 | |
1619 | void |
2297 | void |
1620 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2298 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1621 | CODE: |
2299 | PPCODE: |
|
|
2300 | { |
|
|
2301 | if (GIMME_V != G_VOID) |
|
|
2302 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2303 | |
|
|
2304 | if (items > 1) |
|
|
2305 | { |
|
|
2306 | SV *cb_cv = get_cb (callback); |
|
|
2307 | |
1622 | SvREFCNT_dec (req->callback); |
2308 | SvREFCNT_dec (req->callback); |
1623 | req->callback = newSVsv (callback); |
2309 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2310 | } |
|
|
2311 | } |
1624 | |
2312 | |
1625 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2313 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1626 | |
2314 | |
1627 | void |
2315 | void |
1628 | add (aio_req grp, ...) |
2316 | add (aio_req grp, ...) |
1629 | PPCODE: |
2317 | PPCODE: |
1630 | { |
2318 | { |
1631 | int i; |
2319 | int i; |
1632 | aio_req req; |
|
|
1633 | |
2320 | |
1634 | if (grp->fd == 2) |
2321 | if (grp->int1 == 2) |
1635 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2322 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1636 | |
2323 | |
1637 | for (i = 1; i < items; ++i ) |
2324 | for (i = 1; i < items; ++i ) |
1638 | { |
2325 | { |
|
|
2326 | aio_req req; |
|
|
2327 | |
1639 | if (GIMME_V != G_VOID) |
2328 | if (GIMME_V != G_VOID) |
1640 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2329 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1641 | |
2330 | |
1642 | req = SvAIO_REQ (ST (i)); |
2331 | req = SvAIO_REQ (ST (i)); |
1643 | |
2332 | |
1644 | if (req) |
2333 | if (req) |
1645 | { |
2334 | eio_grp_add (grp, req); |
1646 | ++grp->length; |
|
|
1647 | req->grp = grp; |
|
|
1648 | |
|
|
1649 | req->grp_prev = 0; |
|
|
1650 | req->grp_next = grp->grp_first; |
|
|
1651 | |
|
|
1652 | if (grp->grp_first) |
|
|
1653 | grp->grp_first->grp_prev = req; |
|
|
1654 | |
|
|
1655 | grp->grp_first = req; |
|
|
1656 | } |
|
|
1657 | } |
2335 | } |
1658 | } |
2336 | } |
1659 | |
2337 | |
1660 | void |
2338 | void |
1661 | cancel_subs (aio_req_ornot req) |
2339 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1670 | AV *av; |
2348 | AV *av; |
1671 | |
2349 | |
1672 | grp->errorno = errno; |
2350 | grp->errorno = errno; |
1673 | |
2351 | |
1674 | av = newAV (); |
2352 | av = newAV (); |
|
|
2353 | av_extend (av, items - 1); |
1675 | |
2354 | |
1676 | for (i = 1; i < items; ++i ) |
2355 | for (i = 1; i < items; ++i ) |
1677 | av_push (av, newSVsv (ST (i))); |
2356 | av_push (av, newSVsv (ST (i))); |
1678 | |
2357 | |
1679 | SvREFCNT_dec (grp->data); |
2358 | SvREFCNT_dec (grp->sv1); |
1680 | grp->data = (SV *)av; |
2359 | grp->sv1 = (SV *)av; |
1681 | } |
2360 | } |
1682 | |
2361 | |
1683 | void |
2362 | void |
1684 | errno (aio_req grp, int errorno = errno) |
2363 | errno (aio_req grp, int errorno = errno) |
1685 | CODE: |
2364 | CODE: |
1686 | grp->errorno = errorno; |
2365 | grp->errorno = errorno; |
1687 | |
2366 | |
1688 | void |
2367 | void |
1689 | limit (aio_req grp, int limit) |
2368 | limit (aio_req grp, int limit) |
1690 | CODE: |
2369 | CODE: |
1691 | grp->fd2 = limit; |
2370 | eio_grp_limit (grp, limit); |
1692 | aio_grp_feed (grp); |
|
|
1693 | |
2371 | |
1694 | void |
2372 | void |
1695 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2373 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1696 | CODE: |
2374 | CODE: |
1697 | { |
2375 | { |
1698 | SvREFCNT_dec (grp->fh2); |
2376 | SvREFCNT_dec (grp->sv2); |
1699 | grp->fh2 = newSVsv (callback); |
2377 | grp->sv2 = newSVsv (callback); |
|
|
2378 | grp->feed = aio_grp_feed; |
1700 | |
2379 | |
1701 | if (grp->fd2 <= 0) |
2380 | if (grp->int2 <= 0) |
1702 | grp->fd2 = 2; |
2381 | grp->int2 = 2; |
1703 | |
2382 | |
1704 | aio_grp_feed (grp); |
2383 | eio_grp_limit (grp, grp->int2); |
1705 | } |
2384 | } |
1706 | |
2385 | |