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 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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110 | typedef int aio_rfd; /* read file desriptor */ |
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111 | typedef int aio_wfd; /* write file descriptor */ |
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112 | |
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113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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114 | |
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115 | #define EIO_REQ_MEMBERS \ |
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116 | SV *callback; \ |
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117 | SV *sv1, *sv2; \ |
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118 | SV *sv3, *sv4; \ |
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119 | STRLEN stroffset; \ |
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120 | SV *self; |
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121 | |
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122 | #define EIO_NO_WRAPPERS 1 |
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123 | |
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124 | #include "libeio/config.h" |
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125 | #include "libeio/eio.h" |
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126 | |
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127 | static int req_invoke (eio_req *req); |
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128 | #define EIO_FINISH(req) req_invoke (req) |
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129 | static void req_destroy (eio_req *grp); |
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130 | #define EIO_DESTROY(req) req_destroy (req) |
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131 | |
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132 | #include "libeio/eio.c" |
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133 | |
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134 | #if !HAVE_POSIX_FADVISE |
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135 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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136 | #endif |
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137 | |
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138 | #if !HAVE_POSIX_MADVISE |
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139 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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140 | #endif |
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141 | |
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142 | #ifndef MAP_ANONYMOUS |
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143 | # ifdef MAP_ANON |
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144 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
145 | # else |
44 | # error sendfile support requested but not available |
146 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
147 | # endif |
46 | #endif |
148 | #endif |
47 | |
149 | |
48 | /* number of seconds after which idle threads exit */ |
150 | /* defines all sorts of constants to 0 unless they are already defined */ |
49 | #define IDLE_TIMEOUT 10 |
151 | /* also provides const_iv_ and const_niv_ macros for them */ |
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152 | #include "def0.h" |
50 | |
153 | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
154 | #ifndef makedev |
52 | #ifndef NAME_MAX |
155 | # 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 WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
156 | #endif |
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157 | #ifndef major |
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158 | # define major(dev) ((dev) >> 8) |
79 | #endif |
159 | #endif |
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160 | #ifndef minor |
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161 | # define minor(dev) ((dev) & 0xff) |
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162 | #endif |
80 | |
163 | |
81 | /* buffer size for various temporary buffers */ |
164 | #if PAGESIZE <= 0 |
82 | #define AIO_BUFSIZE 65536 |
165 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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166 | #endif |
83 | |
167 | |
84 | #define dBUF \ |
168 | /*****************************************************************************/ |
85 | char *aio_buf; \ |
169 | |
86 | LOCK (wrklock); \ |
170 | static void |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
171 | fiemap (eio_req *req) |
88 | UNLOCK (wrklock); \ |
172 | { |
89 | if (!aio_buf) \ |
173 | req->result = -1; |
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174 | |
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175 | #if HAVE_FIEMAP |
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176 | /* assume some c99 */ |
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177 | struct fiemap *fiemap = 0; |
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178 | size_t end_offset; |
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179 | int count = req->int3; |
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180 | |
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181 | req->flags |= EIO_FLAG_PTR1_FREE; |
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182 | |
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183 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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184 | /* increase in 3.5kb steps */ |
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185 | if (count < 0) |
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186 | count = 8; |
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187 | |
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188 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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189 | errno = ENOMEM; |
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190 | if (!fiemap) |
90 | return -1; |
191 | return; |
91 | |
192 | |
92 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
193 | req->ptr1 = fiemap; |
93 | |
194 | |
94 | enum { |
195 | fiemap->fm_start = req->offs; |
95 | REQ_QUIT, |
196 | fiemap->fm_length = req->size; |
96 | REQ_OPEN, REQ_CLOSE, |
197 | fiemap->fm_flags = req->int2; |
97 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
198 | fiemap->fm_extent_count = count; |
98 | REQ_SENDFILE, |
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99 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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100 | REQ_FSYNC, REQ_FDATASYNC, |
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101 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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102 | REQ_MKNOD, REQ_READDIR, |
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103 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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104 | REQ_GROUP, REQ_NOP, |
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105 | REQ_BUSY, |
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106 | }; |
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107 | |
199 | |
108 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
200 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
109 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
201 | return; |
110 | |
202 | |
111 | typedef struct aio_cb |
203 | if (req->int3 >= 0 /* not autosizing */ |
112 | { |
204 | || !fiemap->fm_mapped_extents /* no more extents */ |
113 | struct aio_cb *volatile next; |
205 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
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206 | goto done; |
114 | |
207 | |
115 | SV *callback, *fh; |
208 | /* else we have to loop - |
116 | SV *sv1, *sv2; |
209 | * it would be tempting (actually I tried that first) to just query the |
117 | void *ptr1, *ptr2; |
210 | * number of extents needed, but linux often feels like not returning all |
118 | off_t offs; |
211 | * extents, without telling us it left any out. this complicates |
119 | size_t size; |
212 | * this quite a bit. |
120 | ssize_t result; |
213 | */ |
121 | |
214 | |
122 | STRLEN stroffset; |
215 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
123 | int type; |
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124 | int int1, int2; |
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125 | int errorno; |
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126 | mode_t mode; /* open */ |
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127 | |
216 | |
128 | unsigned char flags; |
217 | for (;;) |
129 | unsigned char pri; |
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130 | |
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131 | SV *self; /* the perl counterpart of this request, if any */ |
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132 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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133 | } aio_cb; |
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134 | |
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135 | enum { |
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136 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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137 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
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138 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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139 | }; |
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140 | |
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141 | typedef aio_cb *aio_req; |
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142 | typedef aio_cb *aio_req_ornot; |
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143 | |
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144 | enum { |
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145 | PRI_MIN = -4, |
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146 | PRI_MAX = 4, |
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147 | |
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148 | DEFAULT_PRI = 0, |
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149 | PRI_BIAS = -PRI_MIN, |
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150 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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151 | }; |
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152 | |
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153 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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154 | |
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155 | static unsigned int max_poll_time = 0; |
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156 | static unsigned int max_poll_reqs = 0; |
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157 | |
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158 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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159 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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160 | { |
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161 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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162 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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163 | } |
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164 | |
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165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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166 | |
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167 | static unsigned int started, idle, wanted; |
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168 | |
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169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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171 | #else |
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172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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173 | #endif |
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174 | |
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175 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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176 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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177 | |
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178 | /* worker threads management */ |
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179 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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180 | |
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181 | typedef struct worker { |
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182 | /* locked by wrklock */ |
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183 | struct worker *prev, *next; |
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184 | |
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185 | pthread_t tid; |
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186 | |
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187 | /* locked by reslock, reqlock or wrklock */ |
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188 | aio_req req; /* currently processed request */ |
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189 | void *dbuf; |
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190 | DIR *dirp; |
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191 | } worker; |
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192 | |
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193 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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194 | |
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195 | static void worker_clear (worker *wrk) |
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196 | { |
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197 | if (wrk->dirp) |
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198 | { |
218 | { |
199 | closedir (wrk->dirp); |
219 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
200 | wrk->dirp = 0; |
220 | char scratch[3072]; |
201 | } |
221 | struct fiemap *incmap = (struct fiemap *)scratch; |
202 | |
222 | |
203 | if (wrk->dbuf) |
223 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
204 | { |
224 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
205 | free (wrk->dbuf); |
225 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
206 | wrk->dbuf = 0; |
226 | incmap->fm_flags = fiemap->fm_flags; |
207 | } |
227 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
208 | } |
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209 | |
228 | |
210 | static void worker_free (worker *wrk) |
229 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
211 | { |
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212 | wrk->next->prev = wrk->prev; |
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213 | wrk->prev->next = wrk->next; |
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214 | |
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215 | free (wrk); |
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216 | } |
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217 | |
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218 | static volatile unsigned int nreqs, nready, npending; |
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219 | static volatile unsigned int max_idle = 4; |
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220 | static volatile unsigned int max_outstanding = 0xffffffff; |
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221 | static int respipe [2]; |
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222 | |
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223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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226 | |
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227 | #if WORDACCESS_UNSAFE |
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228 | |
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229 | static unsigned int get_nready () |
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230 | { |
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231 | unsigned int retval; |
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232 | |
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233 | LOCK (reqlock); |
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234 | retval = nready; |
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235 | UNLOCK (reqlock); |
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236 | |
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237 | return retval; |
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238 | } |
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239 | |
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240 | static unsigned int get_npending () |
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241 | { |
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242 | unsigned int retval; |
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243 | |
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244 | LOCK (reslock); |
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245 | retval = npending; |
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246 | UNLOCK (reslock); |
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247 | |
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248 | return retval; |
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249 | } |
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250 | |
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251 | static unsigned int get_nthreads () |
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252 | { |
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253 | unsigned int retval; |
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254 | |
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255 | LOCK (wrklock); |
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256 | retval = started; |
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257 | UNLOCK (wrklock); |
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258 | |
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259 | return retval; |
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260 | } |
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261 | |
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262 | #else |
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263 | |
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264 | # define get_nready() nready |
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265 | # define get_npending() npending |
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266 | # define get_nthreads() started |
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267 | |
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268 | #endif |
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269 | |
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270 | /* |
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271 | * a somewhat faster data structure might be nice, but |
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272 | * with 8 priorities this actually needs <20 insns |
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273 | * per shift, the most expensive operation. |
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274 | */ |
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275 | typedef struct { |
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276 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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277 | int size; |
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278 | } reqq; |
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279 | |
|
|
280 | static reqq req_queue; |
|
|
281 | static reqq res_queue; |
|
|
282 | |
|
|
283 | int reqq_push (reqq *q, aio_req req) |
|
|
284 | { |
|
|
285 | int pri = req->pri; |
|
|
286 | req->next = 0; |
|
|
287 | |
|
|
288 | if (q->qe[pri]) |
|
|
289 | { |
|
|
290 | q->qe[pri]->next = req; |
|
|
291 | q->qe[pri] = req; |
|
|
292 | } |
|
|
293 | else |
|
|
294 | q->qe[pri] = q->qs[pri] = req; |
|
|
295 | |
|
|
296 | return q->size++; |
|
|
297 | } |
|
|
298 | |
|
|
299 | aio_req reqq_shift (reqq *q) |
|
|
300 | { |
|
|
301 | int pri; |
|
|
302 | |
|
|
303 | if (!q->size) |
|
|
304 | return 0; |
230 | return; |
305 | |
231 | |
306 | --q->size; |
232 | if (!incmap->fm_mapped_extents) |
|
|
233 | goto done; |
307 | |
234 | |
308 | for (pri = NUM_PRI; pri--; ) |
235 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
309 | { |
236 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
310 | aio_req req = q->qs[pri]; |
237 | errno = ENOMEM; |
311 | |
|
|
312 | if (req) |
238 | if (!fiemap) |
|
|
239 | return; |
|
|
240 | |
|
|
241 | req->ptr1 = fiemap; |
|
|
242 | |
|
|
243 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
313 | { |
244 | { |
314 | if (!(q->qs[pri] = req->next)) |
245 | struct fiemap_extent *e = incmap->fm_extents + count; |
315 | q->qe[pri] = 0; |
|
|
316 | |
246 | |
317 | return req; |
247 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
248 | goto done; |
|
|
249 | |
|
|
250 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
251 | |
|
|
252 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
253 | goto done; |
|
|
254 | |
318 | } |
255 | } |
319 | } |
256 | } |
320 | |
257 | |
321 | abort (); |
258 | done: |
322 | } |
259 | req->result = 0; |
323 | |
260 | |
324 | static int poll_cb (); |
261 | #else |
325 | static void req_invoke (aio_req req); |
262 | errno = ENOSYS; |
|
|
263 | #endif |
|
|
264 | } |
|
|
265 | |
|
|
266 | /*****************************************************************************/ |
|
|
267 | |
|
|
268 | enum { |
|
|
269 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
270 | }; |
|
|
271 | |
|
|
272 | typedef eio_req *aio_req; |
|
|
273 | typedef eio_req *aio_req_ornot; |
|
|
274 | typedef eio_wd aio_wd; |
|
|
275 | |
|
|
276 | static SV *on_next_submit; |
|
|
277 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
278 | static int max_outstanding; |
|
|
279 | |
|
|
280 | static s_epipe respipe; |
|
|
281 | |
326 | static void req_free (aio_req req); |
282 | static void req_destroy (aio_req req); |
327 | static void req_cancel (aio_req req); |
283 | static void req_cancel (aio_req req); |
328 | |
284 | |
|
|
285 | static void |
|
|
286 | want_poll (void) |
|
|
287 | { |
|
|
288 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
289 | s_epipe_signal (&respipe); |
|
|
290 | } |
|
|
291 | |
|
|
292 | static void |
|
|
293 | done_poll (void) |
|
|
294 | { |
|
|
295 | /* read any signals sent by the worker threads */ |
|
|
296 | s_epipe_drain (&respipe); |
|
|
297 | } |
|
|
298 | |
329 | /* must be called at most once */ |
299 | /* must be called at most once */ |
330 | static SV *req_sv (aio_req req, const char *klass) |
300 | static SV * |
|
|
301 | req_sv (aio_req req, HV *stash) |
331 | { |
302 | { |
332 | if (!req->self) |
303 | if (!req->self) |
333 | { |
304 | { |
334 | req->self = (SV *)newHV (); |
305 | req->self = (SV *)newHV (); |
335 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
306 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
336 | } |
307 | } |
337 | |
308 | |
338 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
309 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
339 | } |
310 | } |
340 | |
311 | |
341 | static aio_req SvAIO_REQ (SV *sv) |
312 | static SV * |
|
|
313 | newSVaio_wd (aio_wd wd) |
|
|
314 | { |
|
|
315 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
316 | } |
|
|
317 | |
|
|
318 | static aio_req |
|
|
319 | SvAIO_REQ (SV *sv) |
342 | { |
320 | { |
343 | MAGIC *mg; |
321 | MAGIC *mg; |
344 | |
322 | |
345 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
323 | if (!SvROK (sv) |
|
|
324 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
325 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
326 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
327 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
346 | croak ("object of class " AIO_REQ_KLASS " expected"); |
328 | croak ("object of class IO::AIO::REQ expected"); |
347 | |
329 | |
348 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
330 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
349 | |
331 | |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
332 | return mg ? (aio_req)mg->mg_ptr : 0; |
351 | } |
333 | } |
352 | |
334 | |
|
|
335 | static aio_wd |
|
|
336 | SvAIO_WD (SV *sv) |
|
|
337 | { |
|
|
338 | if (!SvROK (sv) |
|
|
339 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
340 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
341 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
342 | |
|
|
343 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
344 | } |
|
|
345 | |
|
|
346 | static SV * |
|
|
347 | newmortalFH (int fd, int flags) |
|
|
348 | { |
|
|
349 | if (fd < 0) |
|
|
350 | return &PL_sv_undef; |
|
|
351 | |
|
|
352 | GV *gv = (GV *)sv_newmortal (); |
|
|
353 | char sym[64]; |
|
|
354 | int symlen; |
|
|
355 | |
|
|
356 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
357 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
358 | |
|
|
359 | symlen = snprintf ( |
|
|
360 | sym, |
|
|
361 | sizeof (sym), |
|
|
362 | "%s&=%d", |
|
|
363 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
364 | fd |
|
|
365 | ); |
|
|
366 | |
|
|
367 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
368 | ? (SV *)gv : &PL_sv_undef; |
|
|
369 | } |
|
|
370 | |
|
|
371 | static void |
353 | static void aio_grp_feed (aio_req grp) |
372 | aio_grp_feed (aio_req grp) |
354 | { |
373 | { |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
374 | if (grp->sv2 && SvOK (grp->sv2)) |
356 | { |
375 | { |
357 | int old_len = grp->size; |
|
|
358 | |
|
|
359 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
360 | { |
|
|
361 | dSP; |
376 | dSP; |
362 | |
377 | |
363 | ENTER; |
378 | ENTER; |
364 | SAVETMPS; |
379 | SAVETMPS; |
365 | PUSHMARK (SP); |
380 | PUSHMARK (SP); |
366 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
381 | XPUSHs (req_sv (grp, aio_grp_stash)); |
367 | PUTBACK; |
382 | PUTBACK; |
368 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
383 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
369 | SPAGAIN; |
384 | SPAGAIN; |
370 | FREETMPS; |
385 | FREETMPS; |
371 | LEAVE; |
386 | LEAVE; |
372 | } |
|
|
373 | |
|
|
374 | /* stop if no progress has been made */ |
|
|
375 | if (old_len == grp->size) |
|
|
376 | { |
|
|
377 | SvREFCNT_dec (grp->sv2); |
|
|
378 | grp->sv2 = 0; |
|
|
379 | break; |
|
|
380 | } |
|
|
381 | } |
387 | } |
382 | } |
388 | } |
383 | |
389 | |
384 | static void aio_grp_dec (aio_req grp) |
390 | static void |
|
|
391 | req_submit (eio_req *req) |
385 | { |
392 | { |
386 | --grp->size; |
393 | eio_submit (req); |
387 | |
394 | |
388 | /* call feeder, if applicable */ |
395 | if (expect_false (on_next_submit)) |
389 | aio_grp_feed (grp); |
|
|
390 | |
|
|
391 | /* finish, if done */ |
|
|
392 | if (!grp->size && grp->int1) |
|
|
393 | { |
396 | { |
394 | req_invoke (grp); |
397 | dSP; |
395 | req_free (grp); |
398 | SV *cb = sv_2mortal (on_next_submit); |
|
|
399 | |
|
|
400 | on_next_submit = 0; |
|
|
401 | |
|
|
402 | PUSHMARK (SP); |
|
|
403 | PUTBACK; |
|
|
404 | call_sv (cb, G_DISCARD | G_EVAL); |
396 | } |
405 | } |
397 | } |
406 | } |
398 | |
407 | |
|
|
408 | static int |
399 | static void req_invoke (aio_req req) |
409 | req_invoke (eio_req *req) |
400 | { |
410 | { |
401 | dSP; |
|
|
402 | |
|
|
403 | if (req->flags & FLAG_SV1_RO_OFF) |
411 | if (req->flags & FLAG_SV2_RO_OFF) |
404 | SvREADONLY_off (req->sv1); |
412 | SvREADONLY_off (req->sv2); |
405 | |
413 | |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
414 | if (!EIO_CANCELLED (req) && req->callback) |
407 | { |
415 | { |
|
|
416 | dSP; |
|
|
417 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
418 | SV *sv_result; |
|
|
419 | |
408 | ENTER; |
420 | ENTER; |
409 | SAVETMPS; |
421 | SAVETMPS; |
410 | PUSHMARK (SP); |
422 | PUSHMARK (SP); |
411 | EXTEND (SP, 1); |
423 | EXTEND (SP, 1); |
412 | |
424 | |
|
|
425 | /* do not recreate the result IV from scratch each time */ |
|
|
426 | if (expect_true (sv_result_cache)) |
|
|
427 | { |
|
|
428 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
429 | SvIV_set (sv_result, req->result); |
|
|
430 | SvIOK_only (sv_result); |
|
|
431 | } |
|
|
432 | else |
|
|
433 | { |
|
|
434 | sv_result = newSViv (req->result); |
|
|
435 | SvREADONLY_on (sv_result); |
|
|
436 | } |
|
|
437 | |
413 | switch (req->type) |
438 | switch (req->type) |
414 | { |
439 | { |
|
|
440 | case EIO_WD_OPEN: |
|
|
441 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
442 | break; |
|
|
443 | |
415 | case REQ_READDIR: |
444 | case EIO_READDIR: |
416 | { |
445 | { |
417 | SV *rv = &PL_sv_undef; |
446 | SV *rv = &PL_sv_undef; |
418 | |
447 | |
419 | if (req->result >= 0) |
448 | if (req->result >= 0) |
420 | { |
449 | { |
421 | int i; |
450 | int i; |
422 | char *buf = req->ptr2; |
451 | char *names = (char *)req->ptr2; |
|
|
452 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
423 | AV *av = newAV (); |
453 | AV *av = newAV (); |
424 | |
454 | |
425 | av_extend (av, req->result - 1); |
455 | av_extend (av, req->result - 1); |
426 | |
456 | |
427 | for (i = 0; i < req->result; ++i) |
457 | for (i = 0; i < req->result; ++i) |
428 | { |
458 | { |
429 | SV *sv = newSVpv (buf, 0); |
459 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
460 | { |
|
|
461 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
430 | |
462 | |
|
|
463 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
464 | { |
|
|
465 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
466 | AV *avent = newAV (); |
|
|
467 | |
|
|
468 | av_extend (avent, 2); |
|
|
469 | |
|
|
470 | if (!sv_type [ent->type]) |
|
|
471 | { |
|
|
472 | sv_type [ent->type] = newSViv (ent->type); |
|
|
473 | SvREADONLY_on (sv_type [ent->type]); |
|
|
474 | } |
|
|
475 | |
|
|
476 | av_store (avent, 0, namesv); |
|
|
477 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
478 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
479 | |
|
|
480 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
481 | } |
|
|
482 | else |
431 | av_store (av, i, sv); |
483 | av_store (av, i, namesv); |
|
|
484 | |
|
|
485 | ++ent; |
|
|
486 | } |
|
|
487 | else |
|
|
488 | { |
|
|
489 | SV *name = newSVpv (names, 0); |
|
|
490 | av_store (av, i, name); |
432 | buf += SvCUR (sv) + 1; |
491 | names += SvCUR (name) + 1; |
|
|
492 | } |
433 | } |
493 | } |
434 | |
494 | |
435 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
495 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
436 | } |
496 | } |
437 | |
497 | |
438 | PUSHs (rv); |
498 | PUSHs (rv); |
|
|
499 | |
|
|
500 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
501 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
439 | } |
502 | } |
440 | break; |
503 | break; |
441 | |
504 | |
442 | case REQ_OPEN: |
505 | case EIO_OPEN: |
|
|
506 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
507 | break; |
|
|
508 | |
|
|
509 | case EIO_STATVFS: |
|
|
510 | case EIO_FSTATVFS: |
443 | { |
511 | { |
444 | /* convert fd to fh */ |
512 | SV *rv = &PL_sv_undef; |
445 | SV *fh; |
513 | |
|
|
514 | #ifndef _WIN32 |
|
|
515 | if (req->result >= 0) |
|
|
516 | { |
|
|
517 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
518 | HV *hv = newHV (); |
|
|
519 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
520 | * chooses to make it a struct. |
|
|
521 | */ |
|
|
522 | unsigned long fsid = 0; |
|
|
523 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
446 | |
524 | |
447 | PUSHs (sv_2mortal (newSViv (req->result))); |
525 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
448 | PUTBACK; |
|
|
449 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
450 | SPAGAIN; |
|
|
451 | |
526 | |
452 | fh = POPs; |
527 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
453 | PUSHMARK (SP); |
528 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
529 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
530 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
531 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
532 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
533 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
534 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
535 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
536 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
537 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
538 | } |
|
|
539 | #endif |
|
|
540 | |
454 | XPUSHs (fh); |
541 | PUSHs (rv); |
455 | } |
542 | } |
|
|
543 | |
456 | break; |
544 | break; |
457 | |
545 | |
458 | case REQ_GROUP: |
546 | case EIO_GROUP: |
459 | req->int1 = 2; /* mark group as finished */ |
547 | req->int1 = 2; /* mark group as finished */ |
460 | |
548 | |
461 | if (req->sv1) |
549 | if (req->sv1) |
462 | { |
550 | { |
463 | int i; |
551 | int i; |
… | |
… | |
467 | for (i = 0; i <= AvFILL (av); ++i) |
555 | for (i = 0; i <= AvFILL (av); ++i) |
468 | PUSHs (*av_fetch (av, i, 0)); |
556 | PUSHs (*av_fetch (av, i, 0)); |
469 | } |
557 | } |
470 | break; |
558 | break; |
471 | |
559 | |
472 | case REQ_NOP: |
560 | case EIO_NOP: |
473 | case REQ_BUSY: |
561 | case EIO_BUSY: |
474 | break; |
562 | break; |
475 | |
563 | |
476 | case REQ_READLINK: |
564 | case EIO_READLINK: |
|
|
565 | case EIO_REALPATH: |
477 | if (req->result > 0) |
566 | if (req->result > 0) |
|
|
567 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
568 | break; |
|
|
569 | |
|
|
570 | case EIO_STAT: |
|
|
571 | case EIO_LSTAT: |
|
|
572 | case EIO_FSTAT: |
|
|
573 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
574 | |
|
|
575 | if (!(PL_laststatval = req->result)) |
|
|
576 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
577 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
578 | |
|
|
579 | PUSHs (sv_result); |
|
|
580 | break; |
|
|
581 | |
|
|
582 | case EIO_SEEK: |
|
|
583 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
584 | break; |
|
|
585 | |
|
|
586 | case EIO_READ: |
|
|
587 | { |
|
|
588 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
589 | *SvEND (req->sv2) = 0; |
|
|
590 | SvPOK_only (req->sv2); |
|
|
591 | SvSETMAGIC (req->sv2); |
|
|
592 | PUSHs (sv_result); |
|
|
593 | } |
|
|
594 | break; |
|
|
595 | |
|
|
596 | case EIO_CUSTOM: |
|
|
597 | if (req->feed == fiemap) |
478 | { |
598 | { |
479 | SvCUR_set (req->sv1, req->result); |
599 | #if HAVE_FIEMAP |
480 | *SvEND (req->sv1) = 0; |
|
|
481 | PUSHs (req->sv1); |
600 | if (!req->result) |
|
|
601 | { |
|
|
602 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
603 | |
|
|
604 | if (fiemap->fm_extent_count) |
|
|
605 | { |
|
|
606 | AV *av = newAV (); |
|
|
607 | int i; |
|
|
608 | |
|
|
609 | while (fiemap->fm_mapped_extents) |
|
|
610 | { |
|
|
611 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
612 | AV *ext_av = newAV (); |
|
|
613 | |
|
|
614 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
615 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
616 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
617 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
618 | |
|
|
619 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
620 | } |
|
|
621 | |
|
|
622 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
623 | } |
|
|
624 | else |
|
|
625 | { |
|
|
626 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
627 | PUSHs (sv_result); |
|
|
628 | } |
|
|
629 | } |
|
|
630 | #endif |
482 | } |
631 | } |
|
|
632 | else |
|
|
633 | PUSHs (sv_result); |
483 | break; |
634 | break; |
484 | |
635 | |
485 | case REQ_STAT: |
636 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
486 | case REQ_LSTAT: |
637 | if (req->result > 0) |
487 | case REQ_FSTAT: |
638 | SvIV_set (sv_result, 0); |
488 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
639 | /* FALLTHROUGH */ |
489 | PL_laststatval = req->result; |
|
|
490 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
491 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
492 | break; |
|
|
493 | |
|
|
494 | case REQ_READ: |
|
|
495 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
496 | *SvEND (req->sv1) = 0; |
|
|
497 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
498 | break; |
|
|
499 | |
640 | |
500 | default: |
641 | default: |
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
642 | PUSHs (sv_result); |
502 | break; |
643 | break; |
503 | } |
644 | } |
504 | |
645 | |
505 | errno = req->errorno; |
646 | errno = req->errorno; |
506 | |
647 | |
507 | PUTBACK; |
648 | PUTBACK; |
508 | call_sv (req->callback, G_VOID | G_EVAL); |
649 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
509 | SPAGAIN; |
650 | SPAGAIN; |
|
|
651 | |
|
|
652 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
653 | SvREFCNT_dec (sv_result); |
|
|
654 | else |
|
|
655 | sv_result_cache = sv_result; |
510 | |
656 | |
511 | FREETMPS; |
657 | FREETMPS; |
512 | LEAVE; |
658 | LEAVE; |
|
|
659 | |
|
|
660 | PUTBACK; |
513 | } |
661 | } |
514 | |
662 | |
515 | if (req->grp) |
663 | return !!SvTRUE (ERRSV); |
516 | { |
|
|
517 | aio_req grp = req->grp; |
|
|
518 | |
|
|
519 | /* unlink request */ |
|
|
520 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
521 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
522 | |
|
|
523 | if (grp->grp_first == req) |
|
|
524 | grp->grp_first = req->grp_next; |
|
|
525 | |
|
|
526 | aio_grp_dec (grp); |
|
|
527 | } |
|
|
528 | |
|
|
529 | if (SvTRUE (ERRSV)) |
|
|
530 | { |
|
|
531 | req_free (req); |
|
|
532 | croak (0); |
|
|
533 | } |
|
|
534 | } |
664 | } |
535 | |
665 | |
536 | static void req_free (aio_req req) |
666 | static void |
|
|
667 | req_destroy (aio_req req) |
537 | { |
668 | { |
538 | if (req->self) |
669 | if (req->self) |
539 | { |
670 | { |
540 | sv_unmagic (req->self, PERL_MAGIC_ext); |
671 | sv_unmagic (req->self, PERL_MAGIC_ext); |
541 | SvREFCNT_dec (req->self); |
672 | SvREFCNT_dec (req->self); |
542 | } |
673 | } |
543 | |
674 | |
544 | SvREFCNT_dec (req->fh); |
|
|
545 | SvREFCNT_dec (req->sv1); |
675 | SvREFCNT_dec (req->sv1); |
546 | SvREFCNT_dec (req->sv2); |
676 | SvREFCNT_dec (req->sv2); |
|
|
677 | SvREFCNT_dec (req->sv3); |
|
|
678 | SvREFCNT_dec (req->sv4); |
547 | SvREFCNT_dec (req->callback); |
679 | SvREFCNT_dec (req->callback); |
548 | |
680 | |
549 | if (req->flags & FLAG_PTR2_FREE) |
|
|
550 | free (req->ptr2); |
|
|
551 | |
|
|
552 | Safefree (req); |
681 | free (req); |
553 | } |
682 | } |
554 | |
683 | |
|
|
684 | static void |
555 | static void req_cancel_subs (aio_req grp) |
685 | req_cancel_subs (aio_req grp) |
556 | { |
686 | { |
557 | aio_req sub; |
|
|
558 | |
|
|
559 | if (grp->type != REQ_GROUP) |
687 | if (grp->type != EIO_GROUP) |
560 | return; |
688 | return; |
561 | |
689 | |
562 | SvREFCNT_dec (grp->sv2); |
690 | SvREFCNT_dec (grp->sv2); |
563 | grp->sv2 = 0; |
691 | grp->sv2 = 0; |
564 | |
692 | |
565 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
693 | eio_grp_cancel (grp); |
566 | req_cancel (sub); |
|
|
567 | } |
694 | } |
568 | |
695 | |
569 | static void req_cancel (aio_req req) |
696 | static void ecb_cold |
|
|
697 | create_respipe (void) |
570 | { |
698 | { |
571 | req->flags |= FLAG_CANCELLED; |
699 | if (s_epipe_renew (&respipe)) |
572 | |
700 | croak ("IO::AIO: unable to initialize result pipe"); |
573 | req_cancel_subs (req); |
|
|
574 | } |
701 | } |
575 | |
702 | |
576 | static void *aio_proc(void *arg); |
703 | static void |
577 | |
704 | poll_wait (void) |
578 | static void start_thread (void) |
|
|
579 | { |
705 | { |
580 | sigset_t fullsigset, oldsigset; |
|
|
581 | pthread_attr_t attr; |
|
|
582 | |
|
|
583 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
584 | |
|
|
585 | if (!wrk) |
|
|
586 | croak ("unable to allocate worker thread data"); |
|
|
587 | |
|
|
588 | pthread_attr_init (&attr); |
|
|
589 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
590 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
591 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
592 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
593 | #endif |
|
|
594 | |
|
|
595 | sigfillset (&fullsigset); |
|
|
596 | |
|
|
597 | LOCK (wrklock); |
|
|
598 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
599 | |
|
|
600 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
601 | { |
|
|
602 | wrk->prev = &wrk_first; |
|
|
603 | wrk->next = wrk_first.next; |
|
|
604 | wrk_first.next->prev = wrk; |
|
|
605 | wrk_first.next = wrk; |
|
|
606 | ++started; |
|
|
607 | } |
|
|
608 | else |
|
|
609 | free (wrk); |
|
|
610 | |
|
|
611 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
612 | UNLOCK (wrklock); |
|
|
613 | } |
|
|
614 | |
|
|
615 | static void maybe_start_thread () |
|
|
616 | { |
|
|
617 | if (get_nthreads () >= wanted) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | /* todo: maybe use idle here, but might be less exact */ |
|
|
621 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
622 | return; |
|
|
623 | |
|
|
624 | start_thread (); |
|
|
625 | } |
|
|
626 | |
|
|
627 | static void req_send (aio_req req) |
|
|
628 | { |
|
|
629 | ++nreqs; |
|
|
630 | |
|
|
631 | LOCK (reqlock); |
|
|
632 | ++nready; |
|
|
633 | reqq_push (&req_queue, req); |
|
|
634 | pthread_cond_signal (&reqwait); |
|
|
635 | UNLOCK (reqlock); |
|
|
636 | |
|
|
637 | maybe_start_thread (); |
|
|
638 | } |
|
|
639 | |
|
|
640 | static void end_thread (void) |
|
|
641 | { |
|
|
642 | aio_req req; |
|
|
643 | |
|
|
644 | Newz (0, req, 1, aio_cb); |
|
|
645 | |
|
|
646 | req->type = REQ_QUIT; |
|
|
647 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
648 | |
|
|
649 | LOCK (reqlock); |
|
|
650 | reqq_push (&req_queue, req); |
|
|
651 | pthread_cond_signal (&reqwait); |
|
|
652 | UNLOCK (reqlock); |
|
|
653 | |
|
|
654 | LOCK (wrklock); |
|
|
655 | --started; |
|
|
656 | UNLOCK (wrklock); |
|
|
657 | } |
|
|
658 | |
|
|
659 | static void set_max_idle (int nthreads) |
|
|
660 | { |
|
|
661 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
662 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
663 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
664 | } |
|
|
665 | |
|
|
666 | static void min_parallel (int nthreads) |
|
|
667 | { |
|
|
668 | if (wanted < nthreads) |
|
|
669 | wanted = nthreads; |
|
|
670 | } |
|
|
671 | |
|
|
672 | static void max_parallel (int nthreads) |
|
|
673 | { |
|
|
674 | if (wanted > nthreads) |
|
|
675 | wanted = nthreads; |
|
|
676 | |
|
|
677 | while (started > wanted) |
|
|
678 | end_thread (); |
|
|
679 | } |
|
|
680 | |
|
|
681 | static void poll_wait () |
|
|
682 | { |
|
|
683 | fd_set rfd; |
|
|
684 | |
|
|
685 | while (nreqs) |
706 | while (eio_nreqs ()) |
686 | { |
707 | { |
687 | int size; |
708 | int size; |
688 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
709 | |
|
|
710 | X_LOCK (EIO_POOL->reslock); |
689 | size = res_queue.size; |
711 | size = EIO_POOL->res_queue.size; |
690 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
712 | X_UNLOCK (EIO_POOL->reslock); |
691 | |
713 | |
692 | if (size) |
714 | if (size) |
693 | return; |
715 | return; |
694 | |
716 | |
695 | maybe_start_thread (); |
717 | etp_maybe_start_thread (EIO_POOL); |
696 | |
718 | |
697 | FD_ZERO(&rfd); |
719 | s_epipe_wait (&respipe); |
698 | FD_SET(respipe [0], &rfd); |
|
|
699 | |
|
|
700 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
701 | } |
720 | } |
702 | } |
721 | } |
703 | |
722 | |
704 | static int poll_cb () |
723 | static int |
|
|
724 | poll_cb (void) |
705 | { |
725 | { |
706 | dSP; |
|
|
707 | int count = 0; |
|
|
708 | int maxreqs = max_poll_reqs; |
|
|
709 | int do_croak = 0; |
|
|
710 | struct timeval tv_start, tv_now; |
|
|
711 | aio_req req; |
|
|
712 | |
|
|
713 | if (max_poll_time) |
|
|
714 | gettimeofday (&tv_start, 0); |
|
|
715 | |
|
|
716 | for (;;) |
726 | for (;;) |
717 | { |
727 | { |
718 | for (;;) |
728 | int res = eio_poll (); |
|
|
729 | |
|
|
730 | if (res > 0) |
|
|
731 | croak (0); |
|
|
732 | |
|
|
733 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
734 | return res; |
|
|
735 | |
|
|
736 | poll_wait (); |
|
|
737 | } |
|
|
738 | } |
|
|
739 | |
|
|
740 | static void ecb_cold |
|
|
741 | reinit (void) |
|
|
742 | { |
|
|
743 | create_respipe (); |
|
|
744 | |
|
|
745 | if (eio_init (want_poll, done_poll) < 0) |
|
|
746 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
747 | } |
|
|
748 | |
|
|
749 | /*****************************************************************************/ |
|
|
750 | |
|
|
751 | #if !_POSIX_MAPPED_FILES |
|
|
752 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
753 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | #if !_POSIX_MEMORY_PROTECTION |
|
|
757 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
758 | #endif |
|
|
759 | |
|
|
760 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
761 | |
|
|
762 | static int ecb_cold |
|
|
763 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
764 | { |
|
|
765 | int old_errno = errno; |
|
|
766 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
767 | errno = old_errno; |
|
|
768 | |
|
|
769 | mg->mg_obj = 0; /* just in case */ |
|
|
770 | |
|
|
771 | SvREADONLY_off (sv); |
|
|
772 | |
|
|
773 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
774 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
775 | |
|
|
776 | SvCUR_set (sv, 0); |
|
|
777 | SvPVX (sv) = 0; |
|
|
778 | SvOK_off (sv); |
|
|
779 | |
|
|
780 | return 0; |
|
|
781 | } |
|
|
782 | |
|
|
783 | static MGVTBL mmap_vtbl = { |
|
|
784 | 0, 0, 0, 0, mmap_free |
|
|
785 | }; |
|
|
786 | |
|
|
787 | /*****************************************************************************/ |
|
|
788 | |
|
|
789 | static SV * |
|
|
790 | get_cb (SV *cb_sv) |
|
|
791 | { |
|
|
792 | SvGETMAGIC (cb_sv); |
|
|
793 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
794 | } |
|
|
795 | |
|
|
796 | static aio_req ecb_noinline |
|
|
797 | dreq (SV *callback) |
|
|
798 | { |
|
|
799 | SV *cb_cv; |
|
|
800 | aio_req req; |
|
|
801 | int req_pri = next_pri; |
|
|
802 | next_pri = EIO_PRI_DEFAULT; |
|
|
803 | |
|
|
804 | cb_cv = get_cb (callback); |
|
|
805 | |
|
|
806 | req = calloc (sizeof (*req), 1); |
|
|
807 | if (!req) |
|
|
808 | croak ("out of memory during eio_req allocation"); |
|
|
809 | |
|
|
810 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
811 | req->pri = req_pri; |
|
|
812 | |
|
|
813 | return req; |
|
|
814 | } |
|
|
815 | |
|
|
816 | #define dREQ \ |
|
|
817 | aio_req req = dreq (callback); \ |
|
|
818 | |
|
|
819 | #define REQ_SEND \ |
|
|
820 | PUTBACK; \ |
|
|
821 | req_submit (req); \ |
|
|
822 | SPAGAIN; \ |
|
|
823 | \ |
|
|
824 | if (GIMME_V != G_VOID) \ |
|
|
825 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
826 | |
|
|
827 | ecb_inline void |
|
|
828 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
829 | { |
|
|
830 | if (expect_false (SvROK (path))) |
|
|
831 | { |
|
|
832 | SV *rv = SvRV (path); |
|
|
833 | SV *wdob; |
|
|
834 | |
|
|
835 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
719 | { |
836 | { |
720 | maybe_start_thread (); |
837 | path = AvARRAY (rv)[1]; |
|
|
838 | wdob = AvARRAY (rv)[0]; |
721 | |
839 | |
722 | LOCK (reslock); |
840 | if (SvOK (wdob)) |
723 | req = reqq_shift (&res_queue); |
|
|
724 | |
|
|
725 | if (req) |
|
|
726 | { |
841 | { |
727 | --npending; |
842 | *wd = SvAIO_WD (wdob); |
728 | |
843 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
729 | if (!res_queue.size) |
|
|
730 | { |
|
|
731 | /* read any signals sent by the worker threads */ |
|
|
732 | char buf [32]; |
|
|
733 | while (read (respipe [0], buf, 32) == 32) |
|
|
734 | ; |
|
|
735 | } |
|
|
736 | } |
|
|
737 | |
|
|
738 | UNLOCK (reslock); |
|
|
739 | |
|
|
740 | if (!req) |
|
|
741 | break; |
|
|
742 | |
|
|
743 | --nreqs; |
|
|
744 | |
|
|
745 | if (req->type == REQ_GROUP && req->size) |
|
|
746 | { |
|
|
747 | req->int1 = 1; /* mark request as delayed */ |
|
|
748 | continue; |
|
|
749 | } |
844 | } |
750 | else |
845 | else |
751 | { |
846 | *wd = EIO_INVALID_WD; |
752 | req_invoke (req); |
|
|
753 | |
|
|
754 | count++; |
|
|
755 | } |
|
|
756 | |
|
|
757 | req_free (req); |
|
|
758 | |
|
|
759 | if (maxreqs && !--maxreqs) |
|
|
760 | break; |
|
|
761 | |
|
|
762 | if (max_poll_time) |
|
|
763 | { |
|
|
764 | gettimeofday (&tv_now, 0); |
|
|
765 | |
|
|
766 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
767 | break; |
|
|
768 | } |
|
|
769 | } |
847 | } |
|
|
848 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
849 | { |
|
|
850 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
851 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
852 | *ptr = "."; |
|
|
853 | return; /* path set to "." */ |
|
|
854 | } |
|
|
855 | else |
|
|
856 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
857 | } |
770 | |
858 | |
771 | if (nreqs <= max_outstanding) |
859 | *pathsv = newSVsv (path); |
|
|
860 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
861 | } |
|
|
862 | |
|
|
863 | static void ecb_noinline |
|
|
864 | req_set_path1 (aio_req req, SV *path) |
|
|
865 | { |
|
|
866 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
867 | } |
|
|
868 | |
|
|
869 | static void ecb_noinline |
|
|
870 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
871 | { |
|
|
872 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
873 | |
|
|
874 | switch (SvTYPE (rv)) |
|
|
875 | { |
|
|
876 | case SVt_PVIO: |
|
|
877 | case SVt_PVLV: |
|
|
878 | case SVt_PVGV: |
|
|
879 | req->type = type_fh; |
|
|
880 | req->sv1 = newSVsv (fh_or_path); |
|
|
881 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
772 | break; |
882 | break; |
773 | |
883 | |
774 | poll_wait (); |
884 | default: |
775 | |
885 | req->type = type_path; |
776 | ++maxreqs; |
886 | req_set_path1 (req, fh_or_path); |
|
|
887 | break; |
777 | } |
888 | } |
778 | |
|
|
779 | return count; |
|
|
780 | } |
889 | } |
781 | |
890 | |
782 | static void create_pipe () |
891 | XS(boot_IO__AIO) ecb_cold; |
783 | { |
|
|
784 | if (pipe (respipe)) |
|
|
785 | croak ("unable to initialize result pipe"); |
|
|
786 | |
892 | |
787 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
788 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
789 | |
|
|
790 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
791 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
792 | } |
|
|
793 | |
|
|
794 | /*****************************************************************************/ |
|
|
795 | /* work around various missing functions */ |
|
|
796 | |
|
|
797 | #if !HAVE_PREADWRITE |
|
|
798 | # define pread aio_pread |
|
|
799 | # define pwrite aio_pwrite |
|
|
800 | |
|
|
801 | /* |
|
|
802 | * make our pread/pwrite safe against themselves, but not against |
|
|
803 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
804 | * but that's your problem, not mine. |
|
|
805 | */ |
|
|
806 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
807 | |
|
|
808 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
809 | { |
|
|
810 | ssize_t res; |
|
|
811 | off_t ooffset; |
|
|
812 | |
|
|
813 | LOCK (preadwritelock); |
|
|
814 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
815 | lseek (fd, offset, SEEK_SET); |
|
|
816 | res = read (fd, buf, count); |
|
|
817 | lseek (fd, ooffset, SEEK_SET); |
|
|
818 | UNLOCK (preadwritelock); |
|
|
819 | |
|
|
820 | return res; |
|
|
821 | } |
|
|
822 | |
|
|
823 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
824 | { |
|
|
825 | ssize_t res; |
|
|
826 | off_t ooffset; |
|
|
827 | |
|
|
828 | LOCK (preadwritelock); |
|
|
829 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
830 | lseek (fd, offset, SEEK_SET); |
|
|
831 | res = write (fd, buf, count); |
|
|
832 | lseek (fd, offset, SEEK_SET); |
|
|
833 | UNLOCK (preadwritelock); |
|
|
834 | |
|
|
835 | return res; |
|
|
836 | } |
|
|
837 | #endif |
|
|
838 | |
|
|
839 | #if !HAVE_FDATASYNC |
|
|
840 | # define fdatasync fsync |
|
|
841 | #endif |
|
|
842 | |
|
|
843 | #if !HAVE_READAHEAD |
|
|
844 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
845 | |
|
|
846 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
847 | { |
|
|
848 | dBUF; |
|
|
849 | |
|
|
850 | while (count > 0) |
|
|
851 | { |
|
|
852 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
853 | |
|
|
854 | pread (fd, aio_buf, len, offset); |
|
|
855 | offset += len; |
|
|
856 | count -= len; |
|
|
857 | } |
|
|
858 | |
|
|
859 | errno = 0; |
|
|
860 | } |
|
|
861 | |
|
|
862 | #endif |
|
|
863 | |
|
|
864 | #if !HAVE_READDIR_R |
|
|
865 | # define readdir_r aio_readdir_r |
|
|
866 | |
|
|
867 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
868 | |
|
|
869 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
870 | { |
|
|
871 | struct dirent *e; |
|
|
872 | int errorno; |
|
|
873 | |
|
|
874 | LOCK (readdirlock); |
|
|
875 | |
|
|
876 | e = readdir (dirp); |
|
|
877 | errorno = errno; |
|
|
878 | |
|
|
879 | if (e) |
|
|
880 | { |
|
|
881 | *res = ent; |
|
|
882 | strcpy (ent->d_name, e->d_name); |
|
|
883 | } |
|
|
884 | else |
|
|
885 | *res = 0; |
|
|
886 | |
|
|
887 | UNLOCK (readdirlock); |
|
|
888 | |
|
|
889 | errno = errorno; |
|
|
890 | return e ? 0 : -1; |
|
|
891 | } |
|
|
892 | #endif |
|
|
893 | |
|
|
894 | /* sendfile always needs emulation */ |
|
|
895 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
896 | { |
|
|
897 | ssize_t res; |
|
|
898 | |
|
|
899 | if (!count) |
|
|
900 | return 0; |
|
|
901 | |
|
|
902 | #if HAVE_SENDFILE |
|
|
903 | # if __linux |
|
|
904 | res = sendfile (ofd, ifd, &offset, count); |
|
|
905 | |
|
|
906 | # elif __freebsd |
|
|
907 | /* |
|
|
908 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
909 | * wasted on making it similar to other I/O functions. |
|
|
910 | */ |
|
|
911 | { |
|
|
912 | off_t sbytes; |
|
|
913 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
914 | |
|
|
915 | if (res < 0 && sbytes) |
|
|
916 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
917 | res = sbytes; |
|
|
918 | } |
|
|
919 | |
|
|
920 | # elif __hpux |
|
|
921 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
922 | |
|
|
923 | # elif __solaris |
|
|
924 | { |
|
|
925 | struct sendfilevec vec; |
|
|
926 | size_t sbytes; |
|
|
927 | |
|
|
928 | vec.sfv_fd = ifd; |
|
|
929 | vec.sfv_flag = 0; |
|
|
930 | vec.sfv_off = offset; |
|
|
931 | vec.sfv_len = count; |
|
|
932 | |
|
|
933 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
934 | |
|
|
935 | if (res < 0 && sbytes) |
|
|
936 | res = sbytes; |
|
|
937 | } |
|
|
938 | |
|
|
939 | # endif |
|
|
940 | #else |
|
|
941 | res = -1; |
|
|
942 | errno = ENOSYS; |
|
|
943 | #endif |
|
|
944 | |
|
|
945 | if (res < 0 |
|
|
946 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
947 | #if __solaris |
|
|
948 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
949 | #endif |
|
|
950 | ) |
|
|
951 | ) |
|
|
952 | { |
|
|
953 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
954 | dBUF; |
|
|
955 | |
|
|
956 | res = 0; |
|
|
957 | |
|
|
958 | while (count) |
|
|
959 | { |
|
|
960 | ssize_t cnt; |
|
|
961 | |
|
|
962 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
963 | |
|
|
964 | if (cnt <= 0) |
|
|
965 | { |
|
|
966 | if (cnt && !res) res = -1; |
|
|
967 | break; |
|
|
968 | } |
|
|
969 | |
|
|
970 | cnt = write (ofd, aio_buf, cnt); |
|
|
971 | |
|
|
972 | if (cnt <= 0) |
|
|
973 | { |
|
|
974 | if (cnt && !res) res = -1; |
|
|
975 | break; |
|
|
976 | } |
|
|
977 | |
|
|
978 | offset += cnt; |
|
|
979 | res += cnt; |
|
|
980 | count -= cnt; |
|
|
981 | } |
|
|
982 | } |
|
|
983 | |
|
|
984 | return res; |
|
|
985 | } |
|
|
986 | |
|
|
987 | /* read a full directory */ |
|
|
988 | static void scandir_ (aio_req req, worker *self) |
|
|
989 | { |
|
|
990 | DIR *dirp; |
|
|
991 | union |
|
|
992 | { |
|
|
993 | struct dirent d; |
|
|
994 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
995 | } *u; |
|
|
996 | struct dirent *entp; |
|
|
997 | char *name, *names; |
|
|
998 | int memlen = 4096; |
|
|
999 | int memofs = 0; |
|
|
1000 | int res = 0; |
|
|
1001 | int errorno; |
|
|
1002 | |
|
|
1003 | LOCK (wrklock); |
|
|
1004 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1005 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1006 | req->flags |= FLAG_PTR2_FREE; |
|
|
1007 | req->ptr2 = names = malloc (memlen); |
|
|
1008 | UNLOCK (wrklock); |
|
|
1009 | |
|
|
1010 | if (dirp && u && names) |
|
|
1011 | for (;;) |
|
|
1012 | { |
|
|
1013 | errno = 0; |
|
|
1014 | readdir_r (dirp, &u->d, &entp); |
|
|
1015 | |
|
|
1016 | if (!entp) |
|
|
1017 | break; |
|
|
1018 | |
|
|
1019 | name = entp->d_name; |
|
|
1020 | |
|
|
1021 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1022 | { |
|
|
1023 | int len = strlen (name) + 1; |
|
|
1024 | |
|
|
1025 | res++; |
|
|
1026 | |
|
|
1027 | while (memofs + len > memlen) |
|
|
1028 | { |
|
|
1029 | memlen *= 2; |
|
|
1030 | LOCK (wrklock); |
|
|
1031 | req->ptr2 = names = realloc (names, memlen); |
|
|
1032 | UNLOCK (wrklock); |
|
|
1033 | |
|
|
1034 | if (!names) |
|
|
1035 | break; |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | memcpy (names + memofs, name, len); |
|
|
1039 | memofs += len; |
|
|
1040 | } |
|
|
1041 | } |
|
|
1042 | |
|
|
1043 | if (errno) |
|
|
1044 | res = -1; |
|
|
1045 | |
|
|
1046 | req->result = res; |
|
|
1047 | } |
|
|
1048 | |
|
|
1049 | /*****************************************************************************/ |
|
|
1050 | |
|
|
1051 | static void *aio_proc (void *thr_arg) |
|
|
1052 | { |
|
|
1053 | aio_req req; |
|
|
1054 | struct timespec ts; |
|
|
1055 | worker *self = (worker *)thr_arg; |
|
|
1056 | |
|
|
1057 | /* try to distribute timeouts somewhat evenly */ |
|
|
1058 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1059 | * (1000000000UL / 1024UL); |
|
|
1060 | |
|
|
1061 | for (;;) |
|
|
1062 | { |
|
|
1063 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1064 | |
|
|
1065 | LOCK (reqlock); |
|
|
1066 | |
|
|
1067 | for (;;) |
|
|
1068 | { |
|
|
1069 | self->req = req = reqq_shift (&req_queue); |
|
|
1070 | |
|
|
1071 | if (req) |
|
|
1072 | break; |
|
|
1073 | |
|
|
1074 | ++idle; |
|
|
1075 | |
|
|
1076 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1077 | == ETIMEDOUT) |
|
|
1078 | { |
|
|
1079 | if (idle > max_idle) |
|
|
1080 | { |
|
|
1081 | --idle; |
|
|
1082 | UNLOCK (reqlock); |
|
|
1083 | LOCK (wrklock); |
|
|
1084 | --started; |
|
|
1085 | UNLOCK (wrklock); |
|
|
1086 | goto quit; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1090 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1091 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | --idle; |
|
|
1095 | } |
|
|
1096 | |
|
|
1097 | --nready; |
|
|
1098 | |
|
|
1099 | UNLOCK (reqlock); |
|
|
1100 | |
|
|
1101 | errno = 0; /* strictly unnecessary */ |
|
|
1102 | |
|
|
1103 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1104 | switch (req->type) |
|
|
1105 | { |
|
|
1106 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1107 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1108 | |
|
|
1109 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1110 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1111 | |
|
|
1112 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1113 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1114 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1115 | |
|
|
1116 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1117 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1118 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1119 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1120 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1121 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1122 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1123 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1124 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1125 | |
|
|
1126 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1127 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1128 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1129 | |
|
|
1130 | case REQ_BUSY: |
|
|
1131 | { |
|
|
1132 | struct timeval tv; |
|
|
1133 | |
|
|
1134 | tv.tv_sec = req->int1; |
|
|
1135 | tv.tv_usec = req->int2; |
|
|
1136 | |
|
|
1137 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | case REQ_GROUP: |
|
|
1141 | case REQ_NOP: |
|
|
1142 | break; |
|
|
1143 | |
|
|
1144 | case REQ_QUIT: |
|
|
1145 | goto quit; |
|
|
1146 | |
|
|
1147 | default: |
|
|
1148 | req->result = ENOSYS; |
|
|
1149 | break; |
|
|
1150 | } |
|
|
1151 | |
|
|
1152 | req->errorno = errno; |
|
|
1153 | |
|
|
1154 | LOCK (reslock); |
|
|
1155 | |
|
|
1156 | ++npending; |
|
|
1157 | |
|
|
1158 | if (!reqq_push (&res_queue, req)) |
|
|
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1160 | write (respipe [1], &respipe, 1); |
|
|
1161 | |
|
|
1162 | self->req = 0; |
|
|
1163 | worker_clear (self); |
|
|
1164 | |
|
|
1165 | UNLOCK (reslock); |
|
|
1166 | } |
|
|
1167 | |
|
|
1168 | quit: |
|
|
1169 | LOCK (wrklock); |
|
|
1170 | worker_free (self); |
|
|
1171 | UNLOCK (wrklock); |
|
|
1172 | |
|
|
1173 | return 0; |
|
|
1174 | } |
|
|
1175 | |
|
|
1176 | /*****************************************************************************/ |
|
|
1177 | |
|
|
1178 | static void atfork_prepare (void) |
|
|
1179 | { |
|
|
1180 | LOCK (wrklock); |
|
|
1181 | LOCK (reqlock); |
|
|
1182 | LOCK (reslock); |
|
|
1183 | #if !HAVE_PREADWRITE |
|
|
1184 | LOCK (preadwritelock); |
|
|
1185 | #endif |
|
|
1186 | #if !HAVE_READDIR_R |
|
|
1187 | LOCK (readdirlock); |
|
|
1188 | #endif |
|
|
1189 | } |
|
|
1190 | |
|
|
1191 | static void atfork_parent (void) |
|
|
1192 | { |
|
|
1193 | #if !HAVE_READDIR_R |
|
|
1194 | UNLOCK (readdirlock); |
|
|
1195 | #endif |
|
|
1196 | #if !HAVE_PREADWRITE |
|
|
1197 | UNLOCK (preadwritelock); |
|
|
1198 | #endif |
|
|
1199 | UNLOCK (reslock); |
|
|
1200 | UNLOCK (reqlock); |
|
|
1201 | UNLOCK (wrklock); |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | static void atfork_child (void) |
|
|
1205 | { |
|
|
1206 | aio_req prv; |
|
|
1207 | |
|
|
1208 | while (prv = reqq_shift (&req_queue)) |
|
|
1209 | req_free (prv); |
|
|
1210 | |
|
|
1211 | while (prv = reqq_shift (&res_queue)) |
|
|
1212 | req_free (prv); |
|
|
1213 | |
|
|
1214 | while (wrk_first.next != &wrk_first) |
|
|
1215 | { |
|
|
1216 | worker *wrk = wrk_first.next; |
|
|
1217 | |
|
|
1218 | if (wrk->req) |
|
|
1219 | req_free (wrk->req); |
|
|
1220 | |
|
|
1221 | worker_clear (wrk); |
|
|
1222 | worker_free (wrk); |
|
|
1223 | } |
|
|
1224 | |
|
|
1225 | started = 0; |
|
|
1226 | idle = 0; |
|
|
1227 | nreqs = 0; |
|
|
1228 | nready = 0; |
|
|
1229 | npending = 0; |
|
|
1230 | |
|
|
1231 | close (respipe [0]); |
|
|
1232 | close (respipe [1]); |
|
|
1233 | create_pipe (); |
|
|
1234 | |
|
|
1235 | atfork_parent (); |
|
|
1236 | } |
|
|
1237 | |
|
|
1238 | #define dREQ \ |
|
|
1239 | aio_req req; \ |
|
|
1240 | int req_pri = next_pri; \ |
|
|
1241 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1242 | \ |
|
|
1243 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1244 | croak ("callback must be undef or of reference type"); \ |
|
|
1245 | \ |
|
|
1246 | Newz (0, req, 1, aio_cb); \ |
|
|
1247 | if (!req) \ |
|
|
1248 | croak ("out of memory during aio_req allocation"); \ |
|
|
1249 | \ |
|
|
1250 | req->callback = newSVsv (callback); \ |
|
|
1251 | req->pri = req_pri |
|
|
1252 | |
|
|
1253 | #define REQ_SEND \ |
|
|
1254 | req_send (req); \ |
|
|
1255 | \ |
|
|
1256 | if (GIMME_V != G_VOID) \ |
|
|
1257 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1258 | |
|
|
1259 | MODULE = IO::AIO PACKAGE = IO::AIO |
893 | MODULE = IO::AIO PACKAGE = IO::AIO |
1260 | |
894 | |
1261 | PROTOTYPES: ENABLE |
895 | PROTOTYPES: ENABLE |
1262 | |
896 | |
1263 | BOOT: |
897 | BOOT: |
1264 | { |
898 | { |
|
|
899 | static const struct { |
|
|
900 | const char *name; |
|
|
901 | IV iv; |
|
|
902 | } *civ, const_iv[] = { |
|
|
903 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
904 | # define const_iv(name) { # name, (IV) name }, |
|
|
905 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
906 | |
|
|
907 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
908 | /* the first block can be undef if missing */ |
|
|
909 | const_iv (ENOSYS) |
|
|
910 | const_iv (EXDEV) |
|
|
911 | const_iv (EBADR) |
|
|
912 | |
|
|
913 | /* for lseek */ |
|
|
914 | const_iv (SEEK_DATA) |
|
|
915 | const_iv (SEEK_HOLE) |
|
|
916 | |
|
|
917 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
918 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
919 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
920 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
921 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
922 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
923 | |
|
|
924 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
925 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
926 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
927 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
928 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
929 | |
|
|
930 | /* the second block will be 0 when missing */ |
|
|
931 | const_iv (O_RDONLY) |
|
|
932 | const_iv (O_WRONLY) |
|
|
933 | const_iv (O_RDWR) |
|
|
934 | const_iv (O_CREAT) |
|
|
935 | const_iv (O_TRUNC) |
|
|
936 | const_iv (O_EXCL) |
|
|
937 | const_iv (O_APPEND) |
|
|
938 | |
|
|
939 | const_iv (O_ASYNC) |
|
|
940 | const_iv (O_DIRECT) |
|
|
941 | const_iv (O_NOATIME) |
|
|
942 | |
|
|
943 | const_iv (O_CLOEXEC) |
|
|
944 | const_iv (O_NOCTTY) |
|
|
945 | const_iv (O_NOFOLLOW) |
|
|
946 | const_iv (O_NONBLOCK) |
|
|
947 | const_iv (O_EXEC) |
|
|
948 | const_iv (O_SEARCH) |
|
|
949 | const_iv (O_DIRECTORY) |
|
|
950 | const_iv (O_DSYNC) |
|
|
951 | const_iv (O_RSYNC) |
|
|
952 | const_iv (O_SYNC) |
|
|
953 | const_iv (O_PATH) |
|
|
954 | const_iv (O_TMPFILE) |
|
|
955 | const_iv (O_TTY_INIT) |
|
|
956 | |
|
|
957 | const_iv (S_IFIFO) |
|
|
958 | const_iv (S_IFCHR) |
|
|
959 | const_iv (S_IFBLK) |
|
|
960 | const_iv (S_IFLNK) |
|
|
961 | const_iv (S_IFREG) |
|
|
962 | const_iv (S_IFDIR) |
|
|
963 | const_iv (S_IFWHT) |
|
|
964 | const_iv (S_IFSOCK) |
|
|
965 | const_iv (S_IFMT) |
|
|
966 | |
|
|
967 | const_iv (ST_RDONLY) |
|
|
968 | const_iv (ST_NOSUID) |
|
|
969 | const_iv (ST_NODEV) |
|
|
970 | const_iv (ST_NOEXEC) |
|
|
971 | const_iv (ST_SYNCHRONOUS) |
|
|
972 | const_iv (ST_MANDLOCK) |
|
|
973 | const_iv (ST_WRITE) |
|
|
974 | const_iv (ST_APPEND) |
|
|
975 | const_iv (ST_IMMUTABLE) |
|
|
976 | const_iv (ST_NOATIME) |
|
|
977 | const_iv (ST_NODIRATIME) |
|
|
978 | const_iv (ST_RELATIME) |
|
|
979 | |
|
|
980 | const_iv (PROT_NONE) |
|
|
981 | const_iv (PROT_EXEC) |
|
|
982 | const_iv (PROT_READ) |
|
|
983 | const_iv (PROT_WRITE) |
|
|
984 | |
|
|
985 | const_iv (MAP_PRIVATE) |
|
|
986 | const_iv (MAP_SHARED) |
|
|
987 | const_iv (MAP_FIXED) |
|
|
988 | const_iv (MAP_ANONYMOUS) |
|
|
989 | |
|
|
990 | /* linuxish */ |
|
|
991 | const_iv (MAP_LOCKED) |
|
|
992 | const_iv (MAP_NORESERVE) |
|
|
993 | const_iv (MAP_POPULATE) |
|
|
994 | const_iv (MAP_NONBLOCK) |
|
|
995 | const_iv (MAP_GROWSDOWN) |
|
|
996 | const_iv (MAP_32BIT) |
|
|
997 | const_iv (MAP_HUGETLB) |
|
|
998 | const_iv (MAP_STACK) |
|
|
999 | |
|
|
1000 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1001 | |
|
|
1002 | const_iv (F_OFD_GETLK) |
|
|
1003 | const_iv (F_OFD_SETLK) |
|
|
1004 | const_iv (F_OFD_GETLKW) |
|
|
1005 | |
|
|
1006 | const_iv (FIFREEZE) |
|
|
1007 | const_iv (FITHAW) |
|
|
1008 | const_iv (FITRIM) |
|
|
1009 | const_iv (FICLONE) |
|
|
1010 | const_iv (FICLONERANGE) |
|
|
1011 | const_iv (FIDEDUPERANGE) |
|
|
1012 | |
|
|
1013 | const_iv (FS_IOC_GETFLAGS) |
|
|
1014 | const_iv (FS_IOC_SETFLAGS) |
|
|
1015 | const_iv (FS_IOC_GETVERSION) |
|
|
1016 | const_iv (FS_IOC_SETVERSION) |
|
|
1017 | const_iv (FS_IOC_FIEMAP) |
|
|
1018 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1019 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1020 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1021 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1022 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1023 | |
|
|
1024 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1025 | |
|
|
1026 | const_iv (FS_SECRM_FL) |
|
|
1027 | const_iv (FS_UNRM_FL) |
|
|
1028 | const_iv (FS_COMPR_FL) |
|
|
1029 | const_iv (FS_SYNC_FL) |
|
|
1030 | const_iv (FS_IMMUTABLE_FL) |
|
|
1031 | const_iv (FS_APPEND_FL) |
|
|
1032 | const_iv (FS_NODUMP_FL) |
|
|
1033 | const_iv (FS_NOATIME_FL) |
|
|
1034 | const_iv (FS_DIRTY_FL) |
|
|
1035 | const_iv (FS_COMPRBLK_FL) |
|
|
1036 | const_iv (FS_NOCOMP_FL) |
|
|
1037 | const_iv (FS_ENCRYPT_FL) |
|
|
1038 | const_iv (FS_BTREE_FL) |
|
|
1039 | const_iv (FS_INDEX_FL) |
|
|
1040 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1041 | const_iv (FS_NOTAIL_FL) |
|
|
1042 | const_iv (FS_DIRSYNC_FL) |
|
|
1043 | const_iv (FS_TOPDIR_FL) |
|
|
1044 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1045 | |
|
|
1046 | const_iv (FS_XFLAG_REALTIME) |
|
|
1047 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1048 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1049 | const_iv (FS_XFLAG_APPEND) |
|
|
1050 | const_iv (FS_XFLAG_SYNC) |
|
|
1051 | const_iv (FS_XFLAG_NOATIME) |
|
|
1052 | const_iv (FS_XFLAG_NODUMP) |
|
|
1053 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1054 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1055 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1056 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1057 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1058 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1059 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1060 | const_iv (FS_XFLAG_DAX) |
|
|
1061 | const_iv (FS_XFLAG_HASATTR) |
|
|
1062 | |
|
|
1063 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1064 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1065 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1066 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1067 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1068 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1069 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1070 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1071 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1072 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1073 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1074 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1075 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1076 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1077 | |
|
|
1078 | const_iv (SPLICE_F_MOVE) |
|
|
1079 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1080 | const_iv (SPLICE_F_MORE) |
|
|
1081 | const_iv (SPLICE_F_GIFT) |
|
|
1082 | |
|
|
1083 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1084 | const_eio (SEEK_SET) |
|
|
1085 | const_eio (SEEK_CUR) |
|
|
1086 | const_eio (SEEK_END) |
|
|
1087 | |
|
|
1088 | const_eio (MCL_FUTURE) |
|
|
1089 | const_eio (MCL_CURRENT) |
|
|
1090 | |
|
|
1091 | const_eio (MS_ASYNC) |
|
|
1092 | const_eio (MS_INVALIDATE) |
|
|
1093 | const_eio (MS_SYNC) |
|
|
1094 | |
|
|
1095 | const_eio (MT_MODIFY) |
|
|
1096 | |
|
|
1097 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1098 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1099 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1100 | |
|
|
1101 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1102 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1103 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1104 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1105 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1106 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1107 | |
|
|
1108 | const_eio (RENAME_NOREPLACE) |
|
|
1109 | const_eio (RENAME_EXCHANGE) |
|
|
1110 | const_eio (RENAME_WHITEOUT) |
|
|
1111 | |
|
|
1112 | const_eio (READDIR_DENTS) |
|
|
1113 | const_eio (READDIR_DIRS_FIRST) |
|
|
1114 | const_eio (READDIR_STAT_ORDER) |
|
|
1115 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1116 | |
|
|
1117 | const_eio (DT_UNKNOWN) |
|
|
1118 | const_eio (DT_FIFO) |
|
|
1119 | const_eio (DT_CHR) |
|
|
1120 | const_eio (DT_DIR) |
|
|
1121 | const_eio (DT_BLK) |
|
|
1122 | const_eio (DT_REG) |
|
|
1123 | const_eio (DT_LNK) |
|
|
1124 | const_eio (DT_SOCK) |
|
|
1125 | const_eio (DT_WHT) |
|
|
1126 | }; |
|
|
1127 | |
1265 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1128 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1129 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1130 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1131 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1266 | |
1132 | |
1267 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1133 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1268 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1134 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1269 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1270 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1271 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1272 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1273 | |
1135 | |
1274 | create_pipe (); |
1136 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1275 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1276 | } |
|
|
1277 | |
1137 | |
|
|
1138 | reinit (); |
|
|
1139 | } |
|
|
1140 | |
1278 | void |
1141 | void |
|
|
1142 | reinit () |
|
|
1143 | PROTOTYPE: |
|
|
1144 | |
|
|
1145 | void |
1279 | max_poll_reqs (int nreqs) |
1146 | max_poll_reqs (unsigned int nreqs) |
1280 | PROTOTYPE: $ |
1147 | PROTOTYPE: $ |
1281 | CODE: |
1148 | CODE: |
1282 | max_poll_reqs = nreqs; |
1149 | eio_set_max_poll_reqs (nreqs); |
1283 | |
1150 | |
1284 | void |
1151 | void |
1285 | max_poll_time (double nseconds) |
1152 | max_poll_time (double nseconds) |
1286 | PROTOTYPE: $ |
1153 | PROTOTYPE: $ |
1287 | CODE: |
1154 | CODE: |
1288 | max_poll_time = nseconds * AIO_TICKS; |
1155 | eio_set_max_poll_time (nseconds); |
1289 | |
1156 | |
1290 | void |
1157 | void |
1291 | min_parallel (int nthreads) |
1158 | min_parallel (unsigned int nthreads) |
1292 | PROTOTYPE: $ |
|
|
1293 | |
|
|
1294 | void |
|
|
1295 | max_parallel (int nthreads) |
|
|
1296 | PROTOTYPE: $ |
|
|
1297 | |
|
|
1298 | void |
|
|
1299 | max_idle (int nthreads) |
|
|
1300 | PROTOTYPE: $ |
1159 | PROTOTYPE: $ |
1301 | CODE: |
1160 | CODE: |
1302 | set_max_idle (nthreads); |
1161 | eio_set_min_parallel (nthreads); |
1303 | |
1162 | |
1304 | int |
1163 | void |
1305 | max_outstanding (int maxreqs) |
1164 | max_parallel (unsigned int nthreads) |
1306 | PROTOTYPE: $ |
1165 | PROTOTYPE: $ |
1307 | CODE: |
1166 | CODE: |
1308 | RETVAL = max_outstanding; |
1167 | eio_set_max_parallel (nthreads); |
|
|
1168 | |
|
|
1169 | void |
|
|
1170 | max_idle (unsigned int nthreads) |
|
|
1171 | PROTOTYPE: $ |
|
|
1172 | CODE: |
|
|
1173 | eio_set_max_idle (nthreads); |
|
|
1174 | |
|
|
1175 | void |
|
|
1176 | idle_timeout (unsigned int seconds) |
|
|
1177 | PROTOTYPE: $ |
|
|
1178 | CODE: |
|
|
1179 | eio_set_idle_timeout (seconds); |
|
|
1180 | |
|
|
1181 | void |
|
|
1182 | max_outstanding (unsigned int maxreqs) |
|
|
1183 | PROTOTYPE: $ |
|
|
1184 | CODE: |
1309 | max_outstanding = maxreqs; |
1185 | max_outstanding = maxreqs; |
1310 | OUTPUT: |
|
|
1311 | RETVAL |
|
|
1312 | |
1186 | |
1313 | void |
1187 | void |
1314 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1188 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1315 | SV8 * pathname |
|
|
1316 | int flags |
|
|
1317 | int mode |
|
|
1318 | SV * callback |
|
|
1319 | PROTOTYPE: $$$;$ |
|
|
1320 | PPCODE: |
1189 | PPCODE: |
1321 | { |
1190 | { |
1322 | dREQ; |
1191 | dREQ; |
1323 | |
1192 | |
|
|
1193 | req->type = EIO_WD_OPEN; |
|
|
1194 | req_set_path1 (req, pathname); |
|
|
1195 | |
|
|
1196 | REQ_SEND; |
|
|
1197 | } |
|
|
1198 | |
|
|
1199 | void |
|
|
1200 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1201 | PPCODE: |
|
|
1202 | { |
|
|
1203 | dREQ; |
|
|
1204 | |
1324 | req->type = REQ_OPEN; |
1205 | req->type = EIO_OPEN; |
1325 | req->sv1 = newSVsv (pathname); |
1206 | req_set_path1 (req, pathname); |
1326 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1327 | req->int1 = flags; |
1207 | req->int1 = flags; |
1328 | req->mode = mode; |
1208 | req->int2 = mode; |
1329 | |
1209 | |
1330 | REQ_SEND; |
1210 | REQ_SEND; |
1331 | } |
1211 | } |
1332 | |
1212 | |
1333 | void |
1213 | void |
1334 | aio_close (fh,callback=&PL_sv_undef) |
1214 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1335 | SV * fh |
|
|
1336 | SV * callback |
|
|
1337 | PROTOTYPE: $;$ |
|
|
1338 | ALIAS: |
1215 | ALIAS: |
1339 | aio_close = REQ_CLOSE |
|
|
1340 | aio_fsync = REQ_FSYNC |
1216 | aio_fsync = EIO_FSYNC |
1341 | aio_fdatasync = REQ_FDATASYNC |
1217 | aio_fdatasync = EIO_FDATASYNC |
|
|
1218 | aio_syncfs = EIO_SYNCFS |
1342 | PPCODE: |
1219 | PPCODE: |
1343 | { |
1220 | { |
|
|
1221 | int fd = s_fileno_croak (fh, 0); |
1344 | dREQ; |
1222 | dREQ; |
1345 | |
1223 | |
1346 | req->type = ix; |
1224 | req->type = ix; |
1347 | req->fh = newSVsv (fh); |
1225 | req->sv1 = newSVsv (fh); |
1348 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1226 | req->int1 = fd; |
1349 | |
1227 | |
1350 | REQ_SEND (req); |
1228 | REQ_SEND; |
1351 | } |
1229 | } |
1352 | |
1230 | |
1353 | void |
1231 | void |
|
|
1232 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1233 | PPCODE: |
|
|
1234 | { |
|
|
1235 | int fd = s_fileno_croak (fh, 0); |
|
|
1236 | dREQ; |
|
|
1237 | |
|
|
1238 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1239 | req->sv1 = newSVsv (fh); |
|
|
1240 | req->int1 = fd; |
|
|
1241 | req->offs = offset; |
|
|
1242 | req->size = nbytes; |
|
|
1243 | req->int2 = flags; |
|
|
1244 | |
|
|
1245 | REQ_SEND; |
|
|
1246 | } |
|
|
1247 | |
|
|
1248 | void |
|
|
1249 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1250 | PPCODE: |
|
|
1251 | { |
|
|
1252 | int fd = s_fileno_croak (fh, 0); |
|
|
1253 | dREQ; |
|
|
1254 | |
|
|
1255 | req->type = EIO_FALLOCATE; |
|
|
1256 | req->sv1 = newSVsv (fh); |
|
|
1257 | req->int1 = fd; |
|
|
1258 | req->int2 = mode; |
|
|
1259 | req->offs = offset; |
|
|
1260 | req->size = len; |
|
|
1261 | |
|
|
1262 | REQ_SEND; |
|
|
1263 | } |
|
|
1264 | |
|
|
1265 | void |
|
|
1266 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1267 | PPCODE: |
|
|
1268 | { |
|
|
1269 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1270 | int fd = s_fileno_croak (fh, 0); |
|
|
1271 | dREQ; |
|
|
1272 | |
|
|
1273 | if (expect_false (close_fd < 0)) |
|
|
1274 | { |
|
|
1275 | int pipefd [2]; |
|
|
1276 | |
|
|
1277 | if ( |
|
|
1278 | #ifdef _WIN32 |
|
|
1279 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1280 | #else |
|
|
1281 | pipe (pipefd) < 0 |
|
|
1282 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1283 | #endif |
|
|
1284 | || close (pipefd [1]) < 0 |
|
|
1285 | ) |
|
|
1286 | abort (); /*D*/ |
|
|
1287 | |
|
|
1288 | close_fd = pipefd [0]; |
|
|
1289 | } |
|
|
1290 | |
|
|
1291 | req->type = EIO_DUP2; |
|
|
1292 | req->int1 = close_fd; |
|
|
1293 | req->sv2 = newSVsv (fh); |
|
|
1294 | req->int2 = fd; |
|
|
1295 | |
|
|
1296 | REQ_SEND; |
|
|
1297 | } |
|
|
1298 | |
|
|
1299 | void |
|
|
1300 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1301 | PPCODE: |
|
|
1302 | { |
|
|
1303 | int fd = s_fileno_croak (fh, 0); |
|
|
1304 | dREQ; |
|
|
1305 | |
|
|
1306 | req->type = EIO_SEEK; |
|
|
1307 | req->sv1 = newSVsv (fh); |
|
|
1308 | req->int1 = fd; |
|
|
1309 | req->offs = SvVAL64 (offset); |
|
|
1310 | req->int2 = whence; |
|
|
1311 | |
|
|
1312 | REQ_SEND; |
|
|
1313 | } |
|
|
1314 | |
|
|
1315 | void |
1354 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1316 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1355 | SV * fh |
|
|
1356 | UV offset |
|
|
1357 | UV length |
|
|
1358 | SV8 * data |
|
|
1359 | UV dataoffset |
|
|
1360 | SV * callback |
|
|
1361 | ALIAS: |
1317 | ALIAS: |
1362 | aio_read = REQ_READ |
1318 | aio_read = EIO_READ |
1363 | aio_write = REQ_WRITE |
1319 | aio_write = EIO_WRITE |
1364 | PROTOTYPE: $$$$$;$ |
|
|
1365 | PPCODE: |
1320 | PPCODE: |
1366 | { |
1321 | { |
1367 | STRLEN svlen; |
1322 | STRLEN svlen; |
|
|
1323 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1368 | char *svptr = SvPVbyte (data, svlen); |
1324 | char *svptr = SvPVbyte (data, svlen); |
1369 | |
1325 | UV len = SvUV (length); |
1370 | SvUPGRADE (data, SVt_PV); |
|
|
1371 | SvPOK_on (data); |
|
|
1372 | |
1326 | |
1373 | if (dataoffset < 0) |
1327 | if (dataoffset < 0) |
1374 | dataoffset += svlen; |
1328 | dataoffset += svlen; |
1375 | |
1329 | |
1376 | if (dataoffset < 0 || dataoffset > svlen) |
1330 | if (dataoffset < 0 || dataoffset > svlen) |
1377 | croak ("data offset outside of string"); |
1331 | croak ("dataoffset outside of data scalar"); |
1378 | |
1332 | |
1379 | if (ix == REQ_WRITE) |
1333 | if (ix == EIO_WRITE) |
1380 | { |
1334 | { |
1381 | /* write: check length and adjust. */ |
1335 | /* write: check length and adjust. */ |
1382 | if (length < 0 || length + dataoffset > svlen) |
1336 | if (!SvOK (length) || len + dataoffset > svlen) |
1383 | length = svlen - dataoffset; |
1337 | len = svlen - dataoffset; |
1384 | } |
1338 | } |
1385 | else |
1339 | else |
1386 | { |
1340 | { |
1387 | /* read: grow scalar as necessary */ |
1341 | /* read: check type and grow scalar as necessary */ |
|
|
1342 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1388 | svptr = SvGROW (data, length + dataoffset); |
1343 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1344 | else if (SvCUR (data) < len + dataoffset) |
|
|
1345 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1389 | } |
1346 | } |
1390 | |
|
|
1391 | if (length < 0) |
|
|
1392 | croak ("length must not be negative"); |
|
|
1393 | |
1347 | |
1394 | { |
1348 | { |
1395 | dREQ; |
1349 | dREQ; |
1396 | |
1350 | |
1397 | req->type = ix; |
1351 | req->type = ix; |
1398 | req->fh = newSVsv (fh); |
1352 | req->sv1 = newSVsv (fh); |
1399 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1353 | req->int1 = fd; |
1400 | : IoOFP (sv_2io (fh))); |
1354 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1401 | req->offs = offset; |
|
|
1402 | req->size = length; |
1355 | req->size = len; |
1403 | req->sv1 = SvREFCNT_inc (data); |
1356 | req->sv2 = SvREFCNT_inc (data); |
1404 | req->ptr1 = (char *)svptr + dataoffset; |
1357 | req->ptr2 = (char *)svptr + dataoffset; |
1405 | req->stroffset = dataoffset; |
1358 | req->stroffset = dataoffset; |
1406 | |
1359 | |
1407 | if (!SvREADONLY (data)) |
1360 | if (!SvREADONLY (data)) |
1408 | { |
1361 | { |
1409 | SvREADONLY_on (data); |
1362 | SvREADONLY_on (data); |
1410 | req->flags |= FLAG_SV1_RO_OFF; |
1363 | req->flags |= FLAG_SV2_RO_OFF; |
1411 | } |
1364 | } |
1412 | |
1365 | |
1413 | REQ_SEND; |
1366 | REQ_SEND; |
1414 | } |
1367 | } |
1415 | } |
1368 | } |
1416 | |
1369 | |
1417 | void |
1370 | void |
1418 | aio_readlink (path,callback=&PL_sv_undef) |
1371 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1419 | SV8 * path |
1372 | ALIAS: |
1420 | SV * callback |
1373 | aio_ioctl = EIO_IOCTL |
1421 | PROTOTYPE: $$;$ |
1374 | aio_fcntl = EIO_FCNTL |
1422 | PPCODE: |
1375 | PPCODE: |
1423 | { |
1376 | { |
1424 | SV *data; |
1377 | int fd = s_fileno_croak (fh, 0); |
|
|
1378 | char *svptr; |
|
|
1379 | |
|
|
1380 | if (SvPOK (arg) || !SvNIOK (arg)) |
|
|
1381 | { |
|
|
1382 | STRLEN svlen; |
|
|
1383 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
|
|
1384 | #ifdef IOCPARM_LEN |
|
|
1385 | STRLEN need = IOCPARM_LEN (request); |
|
|
1386 | #else |
|
|
1387 | STRLEN need = 256; |
|
|
1388 | #endif |
|
|
1389 | |
|
|
1390 | if (svlen < need) |
|
|
1391 | svptr = SvGROW (arg, need); |
|
|
1392 | } |
|
|
1393 | else |
|
|
1394 | svptr = (char *)SvIV (arg); |
|
|
1395 | |
|
|
1396 | { |
|
|
1397 | dREQ; |
|
|
1398 | |
|
|
1399 | req->type = ix; |
|
|
1400 | req->sv1 = newSVsv (fh); |
|
|
1401 | req->int1 = fd; |
|
|
1402 | req->int2 = (long)request; |
|
|
1403 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1404 | req->ptr2 = svptr; |
|
|
1405 | |
|
|
1406 | REQ_SEND; |
|
|
1407 | } |
|
|
1408 | } |
|
|
1409 | |
|
|
1410 | void |
|
|
1411 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1412 | ALIAS: |
|
|
1413 | aio_readlink = EIO_READLINK |
|
|
1414 | aio_realpath = EIO_REALPATH |
|
|
1415 | PPCODE: |
|
|
1416 | { |
1425 | dREQ; |
1417 | dREQ; |
1426 | |
1418 | |
1427 | data = newSV (NAME_MAX); |
|
|
1428 | SvPOK_on (data); |
|
|
1429 | |
|
|
1430 | req->type = REQ_READLINK; |
1419 | req->type = ix; |
1431 | req->fh = newSVsv (path); |
1420 | req_set_path1 (req, pathname); |
1432 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1433 | req->sv1 = data; |
|
|
1434 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1435 | |
1421 | |
1436 | REQ_SEND; |
1422 | REQ_SEND; |
1437 | } |
1423 | } |
1438 | |
1424 | |
1439 | void |
1425 | void |
1440 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1426 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1441 | SV * out_fh |
|
|
1442 | SV * in_fh |
|
|
1443 | UV in_offset |
|
|
1444 | UV length |
|
|
1445 | SV * callback |
|
|
1446 | PROTOTYPE: $$$$;$ |
|
|
1447 | PPCODE: |
1427 | PPCODE: |
1448 | { |
1428 | { |
|
|
1429 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1430 | int ofd = s_fileno_croak (out_fh, 1); |
1449 | dREQ; |
1431 | dREQ; |
1450 | |
1432 | |
1451 | req->type = REQ_SENDFILE; |
1433 | req->type = EIO_SENDFILE; |
1452 | req->fh = newSVsv (out_fh); |
1434 | req->sv1 = newSVsv (out_fh); |
1453 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1435 | req->int1 = ofd; |
1454 | req->sv2 = newSVsv (in_fh); |
1436 | req->sv2 = newSVsv (in_fh); |
1455 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1437 | req->int2 = ifd; |
1456 | req->offs = in_offset; |
1438 | req->offs = in_offset; |
1457 | req->size = length; |
1439 | req->size = length; |
1458 | |
1440 | |
1459 | REQ_SEND; |
1441 | REQ_SEND; |
1460 | } |
1442 | } |
1461 | |
1443 | |
1462 | void |
1444 | void |
1463 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1445 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
1464 | SV * fh |
|
|
1465 | UV offset |
|
|
1466 | IV length |
|
|
1467 | SV * callback |
|
|
1468 | PROTOTYPE: $$$;$ |
|
|
1469 | PPCODE: |
1446 | PPCODE: |
1470 | { |
1447 | { |
|
|
1448 | int fd = s_fileno_croak (fh, 0); |
1471 | dREQ; |
1449 | dREQ; |
1472 | |
1450 | |
1473 | req->type = REQ_READAHEAD; |
1451 | req->type = EIO_READAHEAD; |
1474 | req->fh = newSVsv (fh); |
1452 | req->sv1 = newSVsv (fh); |
1475 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1453 | req->int1 = fd; |
1476 | req->offs = offset; |
1454 | req->offs = offset; |
1477 | req->size = length; |
1455 | req->size = length; |
1478 | |
1456 | |
1479 | REQ_SEND; |
1457 | REQ_SEND; |
1480 | } |
1458 | } |
1481 | |
1459 | |
1482 | void |
1460 | void |
1483 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1461 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1484 | SV8 * fh_or_path |
|
|
1485 | SV * callback |
|
|
1486 | ALIAS: |
1462 | ALIAS: |
1487 | aio_stat = REQ_STAT |
1463 | aio_stat = EIO_STAT |
1488 | aio_lstat = REQ_LSTAT |
1464 | aio_lstat = EIO_LSTAT |
|
|
1465 | aio_statvfs = EIO_STATVFS |
1489 | PPCODE: |
1466 | PPCODE: |
1490 | { |
1467 | { |
1491 | dREQ; |
1468 | dREQ; |
1492 | |
1469 | |
1493 | req->ptr2 = malloc (sizeof (Stat_t)); |
1470 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1494 | if (!req->ptr2) |
|
|
1495 | { |
|
|
1496 | req_free (req); |
|
|
1497 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1498 | } |
|
|
1499 | |
|
|
1500 | req->flags |= FLAG_PTR2_FREE; |
|
|
1501 | |
|
|
1502 | if (SvPOK (fh_or_path)) |
|
|
1503 | { |
|
|
1504 | req->type = ix; |
|
|
1505 | req->sv1 = newSVsv (fh_or_path); |
|
|
1506 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1507 | } |
|
|
1508 | else |
|
|
1509 | { |
|
|
1510 | req->type = REQ_FSTAT; |
|
|
1511 | req->fh = newSVsv (fh_or_path); |
|
|
1512 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1513 | } |
|
|
1514 | |
1471 | |
1515 | REQ_SEND; |
1472 | REQ_SEND; |
1516 | } |
1473 | } |
1517 | |
1474 | |
|
|
1475 | UV |
|
|
1476 | major (UV dev) |
|
|
1477 | ALIAS: |
|
|
1478 | minor = 1 |
|
|
1479 | CODE: |
|
|
1480 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1481 | OUTPUT: |
|
|
1482 | RETVAL |
|
|
1483 | |
|
|
1484 | UV |
|
|
1485 | makedev (UV maj, UV min) |
|
|
1486 | CODE: |
|
|
1487 | RETVAL = makedev (maj, min); |
|
|
1488 | OUTPUT: |
|
|
1489 | RETVAL |
|
|
1490 | |
1518 | void |
1491 | void |
|
|
1492 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1493 | PPCODE: |
|
|
1494 | { |
|
|
1495 | dREQ; |
|
|
1496 | |
|
|
1497 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1498 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1499 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1500 | |
|
|
1501 | REQ_SEND; |
|
|
1502 | } |
|
|
1503 | |
|
|
1504 | void |
|
|
1505 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1506 | PPCODE: |
|
|
1507 | { |
|
|
1508 | dREQ; |
|
|
1509 | |
|
|
1510 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1511 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1512 | |
|
|
1513 | REQ_SEND; |
|
|
1514 | } |
|
|
1515 | |
|
|
1516 | void |
|
|
1517 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1518 | PPCODE: |
|
|
1519 | { |
|
|
1520 | dREQ; |
|
|
1521 | |
|
|
1522 | req->int2 = mode; |
|
|
1523 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1524 | |
|
|
1525 | REQ_SEND; |
|
|
1526 | } |
|
|
1527 | |
|
|
1528 | void |
|
|
1529 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1530 | PPCODE: |
|
|
1531 | { |
|
|
1532 | dREQ; |
|
|
1533 | |
|
|
1534 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1535 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1536 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1537 | |
|
|
1538 | REQ_SEND; |
|
|
1539 | } |
|
|
1540 | |
|
|
1541 | void |
|
|
1542 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1543 | PPCODE: |
|
|
1544 | { |
|
|
1545 | dREQ; |
|
|
1546 | |
|
|
1547 | req->type = EIO_READDIR; |
|
|
1548 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1549 | |
|
|
1550 | if (flags & EIO_READDIR_DENTS) |
|
|
1551 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1552 | |
|
|
1553 | req_set_path1 (req, pathname); |
|
|
1554 | |
|
|
1555 | REQ_SEND; |
|
|
1556 | } |
|
|
1557 | |
|
|
1558 | void |
|
|
1559 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1560 | PPCODE: |
|
|
1561 | { |
|
|
1562 | dREQ; |
|
|
1563 | |
|
|
1564 | req->type = EIO_MKDIR; |
|
|
1565 | req->int2 = mode; |
|
|
1566 | req_set_path1 (req, pathname); |
|
|
1567 | |
|
|
1568 | REQ_SEND; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
1519 | aio_unlink (pathname,callback=&PL_sv_undef) |
1572 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1520 | SV8 * pathname |
|
|
1521 | SV * callback |
|
|
1522 | ALIAS: |
1573 | ALIAS: |
1523 | aio_unlink = REQ_UNLINK |
1574 | aio_unlink = EIO_UNLINK |
1524 | aio_rmdir = REQ_RMDIR |
1575 | aio_rmdir = EIO_RMDIR |
1525 | aio_readdir = REQ_READDIR |
1576 | aio_readdir = EIO_READDIR |
1526 | PPCODE: |
1577 | PPCODE: |
1527 | { |
1578 | { |
1528 | dREQ; |
1579 | dREQ; |
1529 | |
1580 | |
1530 | req->type = ix; |
1581 | req->type = ix; |
1531 | req->sv1 = newSVsv (pathname); |
1582 | req_set_path1 (req, pathname); |
1532 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1533 | |
1583 | |
1534 | REQ_SEND; |
1584 | REQ_SEND; |
1535 | } |
1585 | } |
1536 | |
1586 | |
1537 | void |
1587 | void |
1538 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1588 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1539 | SV8 * oldpath |
|
|
1540 | SV8 * newpath |
|
|
1541 | SV * callback |
|
|
1542 | ALIAS: |
1589 | ALIAS: |
1543 | aio_link = REQ_LINK |
1590 | aio_link = EIO_LINK |
1544 | aio_symlink = REQ_SYMLINK |
1591 | aio_symlink = EIO_SYMLINK |
1545 | aio_rename = REQ_RENAME |
1592 | aio_rename = EIO_RENAME |
1546 | PPCODE: |
1593 | PPCODE: |
1547 | { |
1594 | { |
|
|
1595 | eio_wd wd2 = 0; |
1548 | dREQ; |
1596 | dREQ; |
1549 | |
1597 | |
1550 | req->type = ix; |
1598 | req->type = ix; |
1551 | req->fh = newSVsv (oldpath); |
1599 | req_set_path1 (req, oldpath); |
1552 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1600 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1553 | req->sv1 = newSVsv (newpath); |
1601 | req->int3 = (long)wd2; |
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1555 | |
1602 | |
1556 | REQ_SEND; |
1603 | REQ_SEND; |
1557 | } |
1604 | } |
1558 | |
1605 | |
1559 | void |
1606 | void |
1560 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1607 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
1561 | SV8 * pathname |
|
|
1562 | SV * callback |
|
|
1563 | UV mode |
|
|
1564 | UV dev |
|
|
1565 | PPCODE: |
1608 | PPCODE: |
1566 | { |
1609 | { |
|
|
1610 | eio_wd wd2 = 0; |
1567 | dREQ; |
1611 | dREQ; |
1568 | |
1612 | |
1569 | req->type = REQ_MKNOD; |
1613 | req->type = EIO_RENAME; |
1570 | req->sv1 = newSVsv (pathname); |
1614 | req_set_path1 (req, oldpath); |
1571 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1615 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1572 | req->mode = (mode_t)mode; |
1616 | req->int2 = flags; |
1573 | req->offs = dev; |
1617 | req->int3 = (long)wd2; |
1574 | |
1618 | |
1575 | REQ_SEND; |
1619 | REQ_SEND; |
1576 | } |
1620 | } |
1577 | |
1621 | |
1578 | void |
1622 | void |
1579 | aio_busy (delay,callback=&PL_sv_undef) |
1623 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1580 | double delay |
|
|
1581 | SV * callback |
|
|
1582 | PPCODE: |
1624 | PPCODE: |
1583 | { |
1625 | { |
1584 | dREQ; |
1626 | dREQ; |
1585 | |
1627 | |
1586 | req->type = REQ_BUSY; |
1628 | req->type = EIO_MKNOD; |
1587 | req->int1 = delay < 0. ? 0 : delay; |
1629 | req->int2 = (mode_t)mode; |
1588 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1630 | req->offs = dev; |
1589 | |
1631 | req_set_path1 (req, pathname); |
|
|
1632 | |
1590 | REQ_SEND; |
1633 | REQ_SEND; |
1591 | } |
1634 | } |
1592 | |
1635 | |
1593 | void |
1636 | void |
1594 | aio_group (callback=&PL_sv_undef) |
1637 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
1595 | SV * callback |
1638 | ALIAS: |
1596 | PROTOTYPE: ;$ |
1639 | aio_mtouch = EIO_MTOUCH |
|
|
1640 | aio_msync = EIO_MSYNC |
1597 | PPCODE: |
1641 | PPCODE: |
1598 | { |
1642 | { |
|
|
1643 | STRLEN svlen; |
|
|
1644 | char *svptr = SvPVbyte (data, svlen); |
|
|
1645 | UV len = SvUV (length); |
|
|
1646 | |
|
|
1647 | if (flags < 0) |
|
|
1648 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1649 | |
|
|
1650 | if (offset < 0) |
|
|
1651 | offset += svlen; |
|
|
1652 | |
|
|
1653 | if (offset < 0 || offset > svlen) |
|
|
1654 | croak ("offset outside of scalar"); |
|
|
1655 | |
|
|
1656 | if (!SvOK (length) || len + offset > svlen) |
|
|
1657 | len = svlen - offset; |
|
|
1658 | |
|
|
1659 | { |
|
|
1660 | dREQ; |
|
|
1661 | |
|
|
1662 | req->type = ix; |
|
|
1663 | req->sv2 = SvREFCNT_inc (data); |
|
|
1664 | req->ptr2 = (char *)svptr + offset; |
|
|
1665 | req->size = len; |
|
|
1666 | req->int1 = flags; |
|
|
1667 | |
|
|
1668 | REQ_SEND; |
|
|
1669 | } |
|
|
1670 | } |
|
|
1671 | |
|
|
1672 | void |
|
|
1673 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1674 | PPCODE: |
|
|
1675 | { |
|
|
1676 | STRLEN svlen; |
|
|
1677 | char *svptr = SvPVbyte (data, svlen); |
|
|
1678 | UV len = SvUV (length); |
|
|
1679 | |
|
|
1680 | if (offset < 0) |
|
|
1681 | offset += svlen; |
|
|
1682 | |
|
|
1683 | if (offset < 0 || offset > svlen) |
|
|
1684 | croak ("offset outside of scalar"); |
|
|
1685 | |
|
|
1686 | if (!SvOK (length) || len + offset > svlen) |
|
|
1687 | len = svlen - offset; |
|
|
1688 | |
|
|
1689 | { |
|
|
1690 | dREQ; |
|
|
1691 | |
|
|
1692 | req->type = EIO_MLOCK; |
|
|
1693 | req->sv2 = SvREFCNT_inc (data); |
|
|
1694 | req->ptr2 = (char *)svptr + offset; |
|
|
1695 | req->size = len; |
|
|
1696 | |
|
|
1697 | REQ_SEND; |
|
|
1698 | } |
|
|
1699 | } |
|
|
1700 | |
|
|
1701 | void |
|
|
1702 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1703 | PPCODE: |
|
|
1704 | { |
|
|
1705 | dREQ; |
|
|
1706 | |
|
|
1707 | req->type = EIO_MLOCKALL; |
|
|
1708 | req->int1 = flags; |
|
|
1709 | |
|
|
1710 | REQ_SEND; |
|
|
1711 | } |
|
|
1712 | |
|
|
1713 | void |
|
|
1714 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1715 | PPCODE: |
|
|
1716 | { |
|
|
1717 | int fd = s_fileno_croak (fh, 0); |
1599 | dREQ; |
1718 | dREQ; |
1600 | |
1719 | |
1601 | req->type = REQ_GROUP; |
1720 | req->type = EIO_CUSTOM; |
|
|
1721 | req->sv1 = newSVsv (fh); |
|
|
1722 | req->int1 = fd; |
1602 | |
1723 | |
1603 | req_send (req); |
1724 | req->feed = fiemap; |
1604 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1725 | #if HAVE_FIEMAP |
1605 | } |
1726 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1727 | req->offs = start; |
|
|
1728 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1729 | req->int2 = flags; |
|
|
1730 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1731 | #endif |
1606 | |
1732 | |
|
|
1733 | REQ_SEND; |
|
|
1734 | } |
|
|
1735 | |
1607 | void |
1736 | void |
1608 | aio_nop (callback=&PL_sv_undef) |
1737 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1609 | SV * callback |
|
|
1610 | PPCODE: |
1738 | PPCODE: |
1611 | { |
1739 | { |
1612 | dREQ; |
1740 | dREQ; |
1613 | |
1741 | |
1614 | req->type = REQ_NOP; |
1742 | req->type = EIO_BUSY; |
|
|
1743 | req->nv1 = delay < 0. ? 0. : delay; |
1615 | |
1744 | |
1616 | REQ_SEND; |
1745 | REQ_SEND; |
1617 | } |
1746 | } |
1618 | |
1747 | |
|
|
1748 | void |
|
|
1749 | aio_group (SV *callback = &PL_sv_undef) |
|
|
1750 | PPCODE: |
|
|
1751 | { |
|
|
1752 | dREQ; |
|
|
1753 | |
|
|
1754 | req->type = EIO_GROUP; |
|
|
1755 | |
|
|
1756 | PUTBACK; |
|
|
1757 | req_submit (req); |
|
|
1758 | SPAGAIN; |
|
|
1759 | |
|
|
1760 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1761 | } |
|
|
1762 | |
|
|
1763 | void |
|
|
1764 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
1765 | ALIAS: |
|
|
1766 | aio_nop = EIO_NOP |
|
|
1767 | aio_sync = EIO_SYNC |
|
|
1768 | PPCODE: |
|
|
1769 | { |
|
|
1770 | dREQ; |
|
|
1771 | |
|
|
1772 | req->type = ix; |
|
|
1773 | |
|
|
1774 | REQ_SEND; |
|
|
1775 | } |
|
|
1776 | |
1619 | int |
1777 | int |
1620 | aioreq_pri (int pri = 0) |
1778 | aioreq_pri (int pri = NO_INIT) |
1621 | PROTOTYPE: ;$ |
|
|
1622 | CODE: |
1779 | CODE: |
1623 | RETVAL = next_pri - PRI_BIAS; |
1780 | RETVAL = next_pri; |
1624 | if (items > 0) |
1781 | if (items > 0) |
1625 | { |
1782 | { |
1626 | if (pri < PRI_MIN) pri = PRI_MIN; |
1783 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1627 | if (pri > PRI_MAX) pri = PRI_MAX; |
1784 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1628 | next_pri = pri + PRI_BIAS; |
1785 | next_pri = pri; |
1629 | } |
1786 | } |
1630 | OUTPUT: |
1787 | OUTPUT: |
1631 | RETVAL |
1788 | RETVAL |
1632 | |
1789 | |
1633 | void |
1790 | void |
1634 | aioreq_nice (int nice = 0) |
1791 | aioreq_nice (int nice = 0) |
1635 | CODE: |
1792 | CODE: |
1636 | nice = next_pri - nice; |
1793 | nice = next_pri - nice; |
1637 | if (nice < PRI_MIN) nice = PRI_MIN; |
1794 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1638 | if (nice > PRI_MAX) nice = PRI_MAX; |
1795 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1639 | next_pri = nice + PRI_BIAS; |
1796 | next_pri = nice; |
1640 | |
1797 | |
1641 | void |
1798 | void |
1642 | flush () |
1799 | flush () |
1643 | PROTOTYPE: |
|
|
1644 | CODE: |
1800 | CODE: |
1645 | while (nreqs) |
1801 | while (eio_nreqs ()) |
1646 | { |
1802 | { |
1647 | poll_wait (); |
1803 | poll_wait (); |
1648 | poll_cb (); |
1804 | poll_cb (); |
1649 | } |
1805 | } |
1650 | |
1806 | |
1651 | int |
1807 | int |
1652 | poll() |
1808 | poll () |
1653 | PROTOTYPE: |
|
|
1654 | CODE: |
1809 | CODE: |
1655 | poll_wait (); |
1810 | poll_wait (); |
1656 | RETVAL = poll_cb (); |
1811 | RETVAL = poll_cb (); |
1657 | OUTPUT: |
1812 | OUTPUT: |
1658 | RETVAL |
1813 | RETVAL |
1659 | |
1814 | |
1660 | int |
1815 | int |
1661 | poll_fileno() |
1816 | poll_fileno () |
1662 | PROTOTYPE: |
|
|
1663 | CODE: |
1817 | CODE: |
1664 | RETVAL = respipe [0]; |
1818 | RETVAL = s_epipe_fd (&respipe); |
1665 | OUTPUT: |
1819 | OUTPUT: |
1666 | RETVAL |
1820 | RETVAL |
1667 | |
1821 | |
1668 | int |
1822 | int |
1669 | poll_cb(...) |
1823 | poll_cb (...) |
1670 | PROTOTYPE: |
1824 | PROTOTYPE: |
1671 | CODE: |
1825 | CODE: |
1672 | RETVAL = poll_cb (); |
1826 | RETVAL = poll_cb (); |
1673 | OUTPUT: |
1827 | OUTPUT: |
1674 | RETVAL |
1828 | RETVAL |
1675 | |
1829 | |
1676 | void |
1830 | void |
1677 | poll_wait() |
1831 | poll_wait () |
1678 | PROTOTYPE: |
|
|
1679 | CODE: |
1832 | CODE: |
1680 | poll_wait (); |
1833 | poll_wait (); |
1681 | |
1834 | |
1682 | int |
1835 | int |
1683 | nreqs() |
1836 | nreqs () |
1684 | PROTOTYPE: |
|
|
1685 | CODE: |
1837 | CODE: |
1686 | RETVAL = nreqs; |
1838 | RETVAL = eio_nreqs (); |
1687 | OUTPUT: |
1839 | OUTPUT: |
1688 | RETVAL |
1840 | RETVAL |
1689 | |
1841 | |
1690 | int |
1842 | int |
1691 | nready() |
1843 | nready () |
1692 | PROTOTYPE: |
|
|
1693 | CODE: |
1844 | CODE: |
1694 | RETVAL = get_nready (); |
1845 | RETVAL = eio_nready (); |
1695 | OUTPUT: |
1846 | OUTPUT: |
1696 | RETVAL |
1847 | RETVAL |
1697 | |
1848 | |
1698 | int |
1849 | int |
1699 | npending() |
1850 | npending () |
1700 | PROTOTYPE: |
|
|
1701 | CODE: |
1851 | CODE: |
1702 | RETVAL = get_npending (); |
1852 | RETVAL = eio_npending (); |
1703 | OUTPUT: |
1853 | OUTPUT: |
1704 | RETVAL |
1854 | RETVAL |
1705 | |
1855 | |
1706 | int |
1856 | int |
1707 | nthreads() |
1857 | nthreads () |
1708 | PROTOTYPE: |
|
|
1709 | CODE: |
1858 | CODE: |
1710 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1859 | RETVAL = eio_nthreads (); |
1711 | RETVAL = started; |
|
|
1712 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1713 | OUTPUT: |
1860 | OUTPUT: |
1714 | RETVAL |
1861 | RETVAL |
1715 | |
1862 | |
|
|
1863 | int |
|
|
1864 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1865 | CODE: |
|
|
1866 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1867 | OUTPUT: |
|
|
1868 | RETVAL |
|
|
1869 | |
|
|
1870 | IV |
|
|
1871 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1872 | CODE: |
|
|
1873 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1874 | OUTPUT: |
|
|
1875 | RETVAL |
|
|
1876 | |
|
|
1877 | void |
|
|
1878 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1879 | PPCODE: |
|
|
1880 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1881 | { |
|
|
1882 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1883 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1884 | if (addr == (void *)-1) |
|
|
1885 | XSRETURN_NO; |
|
|
1886 | |
|
|
1887 | sv_force_normal (scalar); |
|
|
1888 | |
|
|
1889 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1890 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1891 | ->mg_obj = (SV *)length; |
|
|
1892 | |
|
|
1893 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1894 | |
|
|
1895 | if (!(prot & PROT_WRITE)) |
|
|
1896 | SvREADONLY_on (scalar); |
|
|
1897 | |
|
|
1898 | if (SvLEN (scalar)) |
|
|
1899 | Safefree (SvPVX (scalar)); |
|
|
1900 | |
|
|
1901 | SvPVX (scalar) = (char *)addr; |
|
|
1902 | SvCUR_set (scalar, length); |
|
|
1903 | SvLEN_set (scalar, 0); |
|
|
1904 | SvPOK_only (scalar); |
|
|
1905 | |
|
|
1906 | XSRETURN_YES; |
|
|
1907 | } |
|
|
1908 | |
|
|
1909 | void |
|
|
1910 | munmap (SV *scalar) |
|
|
1911 | CODE: |
|
|
1912 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1913 | |
|
|
1914 | int |
|
|
1915 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1916 | ALIAS: |
|
|
1917 | mprotect = 1 |
|
|
1918 | CODE: |
|
|
1919 | { |
|
|
1920 | STRLEN svlen; |
|
|
1921 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1922 | STRLEN len = SvUV (length); |
|
|
1923 | |
|
|
1924 | if (offset < 0) |
|
|
1925 | offset += svlen; |
|
|
1926 | |
|
|
1927 | if (offset < 0 || offset > svlen) |
|
|
1928 | croak ("offset outside of scalar"); |
|
|
1929 | |
|
|
1930 | if (!SvOK (length) || len + offset > svlen) |
|
|
1931 | len = svlen - offset; |
|
|
1932 | |
|
|
1933 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1934 | eio_page_align (&addr, &len); |
|
|
1935 | |
|
|
1936 | switch (ix) |
|
|
1937 | { |
|
|
1938 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1939 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1940 | } |
|
|
1941 | } |
|
|
1942 | OUTPUT: |
|
|
1943 | RETVAL |
|
|
1944 | |
|
|
1945 | int |
|
|
1946 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
1947 | CODE: |
|
|
1948 | { |
|
|
1949 | STRLEN svlen; |
|
|
1950 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1951 | size_t len = SvUV (length); |
|
|
1952 | |
|
|
1953 | if (offset < 0) |
|
|
1954 | offset += svlen; |
|
|
1955 | |
|
|
1956 | if (offset < 0 || offset > svlen) |
|
|
1957 | croak ("offset outside of scalar"); |
|
|
1958 | |
|
|
1959 | if (!SvOK (length) || len + offset > svlen) |
|
|
1960 | len = svlen - offset; |
|
|
1961 | |
|
|
1962 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1963 | eio_page_align (&addr, &len); |
|
|
1964 | #if _POSIX_MEMLOCK_RANGE |
|
|
1965 | RETVAL = munlock (addr, len); |
|
|
1966 | #else |
|
|
1967 | RETVAL = EIO_ENOSYS (); |
|
|
1968 | #endif |
|
|
1969 | } |
|
|
1970 | OUTPUT: |
|
|
1971 | RETVAL |
|
|
1972 | |
|
|
1973 | int |
|
|
1974 | munlockall () |
|
|
1975 | CODE: |
|
|
1976 | #if _POSIX_MEMLOCK |
|
|
1977 | munlockall (); |
|
|
1978 | #else |
|
|
1979 | RETVAL = EIO_ENOSYS (); |
|
|
1980 | #endif |
|
|
1981 | OUTPUT: |
|
|
1982 | RETVAL |
|
|
1983 | |
|
|
1984 | int |
|
|
1985 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1986 | CODE: |
|
|
1987 | { |
|
|
1988 | #if HAVE_LINUX_SPLICE |
|
|
1989 | loff_t off_in_, off_out_; |
|
|
1990 | RETVAL = splice ( |
|
|
1991 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1992 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1993 | length, flags |
|
|
1994 | ); |
|
|
1995 | #else |
|
|
1996 | RETVAL = EIO_ENOSYS (); |
|
|
1997 | #endif |
|
|
1998 | } |
|
|
1999 | OUTPUT: |
|
|
2000 | RETVAL |
|
|
2001 | |
|
|
2002 | int |
|
|
2003 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2004 | CODE: |
|
|
2005 | #if HAVE_LINUX_SPLICE |
|
|
2006 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2007 | #else |
|
|
2008 | RETVAL = EIO_ENOSYS (); |
|
|
2009 | #endif |
|
|
2010 | OUTPUT: |
|
|
2011 | RETVAL |
|
|
2012 | |
|
|
2013 | int |
|
|
2014 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2015 | PROTOTYPE: $;$ |
|
|
2016 | CODE: |
|
|
2017 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2018 | if (new_size >= 0) |
|
|
2019 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2020 | else |
|
|
2021 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2022 | #else |
|
|
2023 | errno = ENOSYS; |
|
|
2024 | RETVAL = -1; |
|
|
2025 | #endif |
|
|
2026 | OUTPUT: |
|
|
2027 | RETVAL |
|
|
2028 | |
|
|
2029 | void |
|
|
2030 | pipe2 (int flags = 0) |
|
|
2031 | PROTOTYPE: ;$ |
|
|
2032 | PPCODE: |
|
|
2033 | { |
|
|
2034 | int fd[2]; |
|
|
2035 | int res; |
|
|
2036 | |
|
|
2037 | if (flags) |
|
|
2038 | #if HAVE_PIPE2 |
|
|
2039 | res = pipe2 (fd, flags); |
|
|
2040 | #else |
|
|
2041 | res = (errno = ENOSYS, -1); |
|
|
2042 | #endif |
|
|
2043 | else |
|
|
2044 | res = pipe (fd); |
|
|
2045 | |
|
|
2046 | if (!res) |
|
|
2047 | { |
|
|
2048 | EXTEND (SP, 2); |
|
|
2049 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2050 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2051 | } |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | void _on_next_submit (SV *cb) |
|
|
2055 | CODE: |
|
|
2056 | SvREFCNT_dec (on_next_submit); |
|
|
2057 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
2058 | |
1716 | PROTOTYPES: DISABLE |
2059 | PROTOTYPES: DISABLE |
|
|
2060 | |
|
|
2061 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2062 | |
|
|
2063 | BOOT: |
|
|
2064 | { |
|
|
2065 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2066 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2067 | } |
|
|
2068 | |
|
|
2069 | void |
|
|
2070 | DESTROY (SV *self) |
|
|
2071 | CODE: |
|
|
2072 | { |
|
|
2073 | aio_wd wd = SvAIO_WD (self); |
|
|
2074 | #if HAVE_AT |
|
|
2075 | { |
|
|
2076 | SV *callback = &PL_sv_undef; |
|
|
2077 | dREQ; /* clobbers next_pri :/ */ |
|
|
2078 | next_pri = req->pri; /* restore next_pri */ |
|
|
2079 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2080 | req->type = EIO_WD_CLOSE; |
|
|
2081 | req->wd = wd; |
|
|
2082 | REQ_SEND; |
|
|
2083 | } |
|
|
2084 | #else |
|
|
2085 | eio_wd_close_sync (wd); |
|
|
2086 | #endif |
|
|
2087 | } |
1717 | |
2088 | |
1718 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2089 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1719 | |
2090 | |
1720 | void |
2091 | void |
1721 | cancel (aio_req_ornot req) |
2092 | cancel (aio_req_ornot req) |
1722 | CODE: |
2093 | CODE: |
1723 | req_cancel (req); |
2094 | eio_cancel (req); |
1724 | |
2095 | |
1725 | void |
2096 | void |
1726 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2097 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1727 | CODE: |
2098 | PPCODE: |
|
|
2099 | { |
|
|
2100 | if (GIMME_V != G_VOID) |
|
|
2101 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2102 | |
|
|
2103 | if (items > 1) |
|
|
2104 | { |
|
|
2105 | SV *cb_cv = get_cb (callback); |
|
|
2106 | |
1728 | SvREFCNT_dec (req->callback); |
2107 | SvREFCNT_dec (req->callback); |
1729 | req->callback = newSVsv (callback); |
2108 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2109 | } |
|
|
2110 | } |
1730 | |
2111 | |
1731 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2112 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1732 | |
2113 | |
1733 | void |
2114 | void |
1734 | add (aio_req grp, ...) |
2115 | add (aio_req grp, ...) |
1735 | PPCODE: |
2116 | PPCODE: |
1736 | { |
2117 | { |
1737 | int i; |
2118 | int i; |
1738 | aio_req req; |
|
|
1739 | |
2119 | |
1740 | if (grp->int1 == 2) |
2120 | if (grp->int1 == 2) |
1741 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2121 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1742 | |
2122 | |
1743 | for (i = 1; i < items; ++i ) |
2123 | for (i = 1; i < items; ++i ) |
1744 | { |
2124 | { |
|
|
2125 | aio_req req; |
|
|
2126 | |
1745 | if (GIMME_V != G_VOID) |
2127 | if (GIMME_V != G_VOID) |
1746 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2128 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1747 | |
2129 | |
1748 | req = SvAIO_REQ (ST (i)); |
2130 | req = SvAIO_REQ (ST (i)); |
1749 | |
2131 | |
1750 | if (req) |
2132 | if (req) |
1751 | { |
2133 | eio_grp_add (grp, req); |
1752 | ++grp->size; |
|
|
1753 | req->grp = grp; |
|
|
1754 | |
|
|
1755 | req->grp_prev = 0; |
|
|
1756 | req->grp_next = grp->grp_first; |
|
|
1757 | |
|
|
1758 | if (grp->grp_first) |
|
|
1759 | grp->grp_first->grp_prev = req; |
|
|
1760 | |
|
|
1761 | grp->grp_first = req; |
|
|
1762 | } |
|
|
1763 | } |
2134 | } |
1764 | } |
2135 | } |
1765 | |
2136 | |
1766 | void |
2137 | void |
1767 | cancel_subs (aio_req_ornot req) |
2138 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1776 | AV *av; |
2147 | AV *av; |
1777 | |
2148 | |
1778 | grp->errorno = errno; |
2149 | grp->errorno = errno; |
1779 | |
2150 | |
1780 | av = newAV (); |
2151 | av = newAV (); |
|
|
2152 | av_extend (av, items - 1); |
1781 | |
2153 | |
1782 | for (i = 1; i < items; ++i ) |
2154 | for (i = 1; i < items; ++i ) |
1783 | av_push (av, newSVsv (ST (i))); |
2155 | av_push (av, newSVsv (ST (i))); |
1784 | |
2156 | |
1785 | SvREFCNT_dec (grp->sv1); |
2157 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1792 | grp->errorno = errorno; |
2164 | grp->errorno = errorno; |
1793 | |
2165 | |
1794 | void |
2166 | void |
1795 | limit (aio_req grp, int limit) |
2167 | limit (aio_req grp, int limit) |
1796 | CODE: |
2168 | CODE: |
1797 | grp->int2 = limit; |
2169 | eio_grp_limit (grp, limit); |
1798 | aio_grp_feed (grp); |
|
|
1799 | |
2170 | |
1800 | void |
2171 | void |
1801 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2172 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1802 | CODE: |
2173 | CODE: |
1803 | { |
2174 | { |
1804 | SvREFCNT_dec (grp->sv2); |
2175 | SvREFCNT_dec (grp->sv2); |
1805 | grp->sv2 = newSVsv (callback); |
2176 | grp->sv2 = newSVsv (callback); |
|
|
2177 | grp->feed = aio_grp_feed; |
1806 | |
2178 | |
1807 | if (grp->int2 <= 0) |
2179 | if (grp->int2 <= 0) |
1808 | grp->int2 = 2; |
2180 | grp->int2 = 2; |
1809 | |
2181 | |
1810 | aio_grp_feed (grp); |
2182 | eio_grp_limit (grp, grp->int2); |
1811 | } |
2183 | } |
1812 | |
2184 | |