1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
27 | #include <limits.h> |
16 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
17 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
18 | #include <sched.h> |
32 | |
19 | |
33 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
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35 | # include <sys/sendfile.h> |
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36 | # elif __freebsd |
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37 | # include <sys/socket.h> |
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38 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
39 | # elif __hpux |
22 | #endif |
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23 | |
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24 | /* the incompetent fool that created musl keeps __linux__, refuses |
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25 | * to implement any linux standard apis, and also has no way to test |
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26 | * for his broken iplementation. don't complain to me if this fails |
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27 | * for you. |
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28 | */ |
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29 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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30 | # include <linux/fs.h> |
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31 | # ifdef FS_IOC_FIEMAP |
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32 | # include <linux/types.h> |
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33 | # include <linux/fiemap.h> |
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34 | # define HAVE_FIEMAP 1 |
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35 | # endif |
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36 | #endif |
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37 | |
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38 | /* perl namespace pollution */ |
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39 | #undef VERSION |
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40 | |
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41 | /* perl stupidly overrides readdir and maybe others */ |
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42 | /* with thread-unsafe versions, imagine that :( */ |
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43 | #undef readdir |
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44 | #undef opendir |
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45 | #undef closedir |
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46 | |
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47 | #ifdef _WIN32 |
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48 | |
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49 | // perl overrides all those nice libc functions |
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50 | |
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51 | #undef malloc |
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52 | #undef free |
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53 | #undef open |
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54 | #undef read |
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55 | #undef write |
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56 | #undef send |
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57 | #undef recv |
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58 | #undef stat |
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59 | #undef lstat |
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60 | #undef fstat |
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61 | #undef truncate |
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62 | #undef ftruncate |
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63 | #undef open |
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64 | #undef link |
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65 | #undef close |
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66 | #undef unlink |
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67 | #undef mkdir |
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68 | #undef rmdir |
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69 | #undef rename |
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70 | #undef lseek |
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71 | #undef opendir |
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72 | #undef readdir |
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73 | #undef closedir |
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74 | #undef chmod |
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75 | #undef fchmod |
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76 | #undef dup |
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77 | #undef dup2 |
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78 | #undef abort |
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79 | #undef pipe |
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80 | |
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81 | #define EIO_STRUCT_STAT struct _stati64 |
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82 | #define EIO_STRUCT_STATI64 |
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83 | |
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84 | #else |
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85 | |
40 | # include <sys/socket.h> |
86 | #include <sys/time.h> |
41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
87 | #include <sys/select.h> |
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88 | #include <unistd.h> |
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89 | #include <utime.h> |
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90 | #include <signal.h> |
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91 | |
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92 | #define EIO_STRUCT_STAT Stat_t |
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93 | |
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94 | #endif |
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95 | |
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96 | /*****************************************************************************/ |
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97 | |
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98 | #if __GNUC__ >= 3 |
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99 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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100 | #else |
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101 | # define expect(expr,value) (expr) |
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102 | #endif |
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103 | |
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104 | #define expect_false(expr) expect ((expr) != 0, 0) |
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105 | #define expect_true(expr) expect ((expr) != 0, 1) |
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106 | |
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107 | /*****************************************************************************/ |
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108 | |
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109 | #include "libeio/config.h" |
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110 | |
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111 | #if HAVE_RLIMITS |
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112 | #include <sys/time.h> |
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113 | #include <sys/resource.h> |
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114 | #endif |
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115 | |
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116 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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117 | typedef int aio_rfd; /* read file desriptor */ |
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118 | typedef int aio_wfd; /* write file descriptor */ |
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119 | |
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120 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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121 | |
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122 | #define EIO_REQ_MEMBERS \ |
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123 | SV *callback; \ |
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124 | SV *sv1, *sv2; \ |
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125 | SV *sv3, *sv4; \ |
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126 | STRLEN stroffset; \ |
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127 | SV *self; |
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128 | |
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129 | #define EIO_NO_WRAPPERS 1 |
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130 | |
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131 | #include "libeio/eio.h" |
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132 | |
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133 | static int req_invoke (eio_req *req); |
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134 | #define EIO_FINISH(req) req_invoke (req) |
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135 | static void req_destroy (eio_req *grp); |
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136 | #define EIO_DESTROY(req) req_destroy (req) |
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137 | |
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138 | #include "libeio/eio.c" |
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139 | |
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140 | #if !HAVE_POSIX_FADVISE |
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141 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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142 | #endif |
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143 | |
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144 | #if !HAVE_POSIX_MADVISE |
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145 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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146 | #endif |
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147 | |
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148 | #ifndef MAP_ANONYMOUS |
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149 | # ifdef MAP_ANON |
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150 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
151 | # else |
44 | # error sendfile support requested but not available |
152 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
153 | # endif |
46 | #endif |
154 | #endif |
47 | |
155 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
156 | /* defines all sorts of constants to 0 unless they are already defined */ |
49 | #ifndef NAME_MAX |
157 | /* also provides const_iv_ and const_niv_ macros for them */ |
50 | # define NAME_MAX 4096 |
158 | #include "def0.h" |
51 | #endif |
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52 | |
159 | |
53 | #ifndef PTHREAD_STACK_MIN |
160 | #ifndef makedev |
54 | /* care for broken platforms, e.g. windows */ |
161 | # define makedev(maj,min) (((maj) << 8) | (min)) |
55 | # define PTHREAD_STACK_MIN 16384 |
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56 | #endif |
162 | #endif |
57 | |
163 | #ifndef major |
58 | #if __ia64 |
164 | # define major(dev) ((dev) >> 8) |
59 | # define STACKSIZE 65536 |
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60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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61 | # define STACKSIZE PTHREAD_STACK_MIN |
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62 | #else |
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63 | # define STACKSIZE 16384 |
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64 | #endif |
165 | #endif |
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166 | #ifndef minor |
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167 | # define minor(dev) ((dev) & 0xff) |
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168 | #endif |
65 | |
169 | |
66 | /* buffer size for various temporary buffers */ |
170 | #if PAGESIZE <= 0 |
67 | #define AIO_BUFSIZE 65536 |
171 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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172 | #endif |
68 | |
173 | |
69 | #define dBUF \ |
174 | /*****************************************************************************/ |
70 | char *aio_buf; \ |
175 | |
71 | LOCK (wrklock); \ |
176 | #if !_POSIX_MAPPED_FILES |
72 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
177 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
73 | UNLOCK (wrklock); \ |
178 | # define munmap(addr,length) EIO_ENOSYS () |
74 | if (!aio_buf) \ |
179 | #endif |
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180 | |
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181 | #if !_POSIX_MEMORY_PROTECTION |
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182 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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183 | #endif |
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184 | |
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185 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
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186 | |
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187 | static int ecb_cold |
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188 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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189 | { |
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190 | int old_errno = errno; |
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191 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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192 | errno = old_errno; |
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193 | |
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194 | mg->mg_obj = 0; /* just in case */ |
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195 | |
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196 | SvREADONLY_off (sv); |
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197 | |
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198 | if (SvPVX (sv) != mg->mg_ptr) |
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199 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
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200 | |
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201 | SvCUR_set (sv, 0); |
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202 | SvPVX (sv) = 0; |
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203 | SvOK_off (sv); |
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204 | |
75 | return -1; |
205 | return 0; |
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206 | } |
76 | |
207 | |
77 | enum { |
208 | static MGVTBL mmap_vtbl = { |
78 | REQ_QUIT, |
209 | 0, 0, 0, 0, mmap_free |
79 | REQ_OPEN, REQ_CLOSE, |
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80 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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81 | REQ_SENDFILE, |
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82 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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83 | REQ_FSYNC, REQ_FDATASYNC, |
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84 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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85 | REQ_READDIR, |
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86 | REQ_LINK, REQ_SYMLINK, |
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87 | REQ_GROUP, REQ_NOP, |
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88 | REQ_BUSY, |
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89 | }; |
210 | }; |
90 | |
211 | |
91 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
212 | static int ecb_cold |
92 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
213 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
93 | |
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94 | typedef struct aio_cb |
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95 | { |
214 | { |
96 | struct aio_cb *volatile next; |
215 | free (mg->mg_ptr); |
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216 | mg->mg_obj = 0; /* just in case */ |
97 | |
217 | |
98 | SV *data, *callback; |
218 | SvREADONLY_off (sv); |
99 | SV *fh, *fh2; |
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100 | void *dataptr, *data2ptr; |
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101 | Stat_t *statdata; |
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102 | off_t offset; |
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103 | size_t length; |
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104 | ssize_t result; |
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105 | |
219 | |
106 | STRLEN dataoffset; |
220 | if (SvPVX (sv) != mg->mg_ptr) |
107 | int type; |
221 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
108 | int fd, fd2; |
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109 | int errorno; |
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110 | mode_t mode; /* open */ |
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111 | |
222 | |
112 | unsigned char flags; |
223 | SvCUR_set (sv, 0); |
113 | unsigned char pri; |
224 | SvPVX (sv) = 0; |
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225 | SvOK_off (sv); |
114 | |
226 | |
115 | SV *self; /* the perl counterpart of this request, if any */ |
227 | return 0; |
116 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
228 | } |
117 | } aio_cb; |
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118 | |
229 | |
119 | enum { |
230 | static MGVTBL sysfree_vtbl = { |
120 | FLAG_CANCELLED = 0x01, |
231 | 0, 0, 0, 0, sysfree_free |
121 | }; |
232 | }; |
122 | |
233 | |
123 | typedef aio_cb *aio_req; |
234 | /*****************************************************************************/ |
124 | typedef aio_cb *aio_req_ornot; |
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125 | |
235 | |
126 | enum { |
236 | /* helper: set scalar to foreign ptr with custom free */ |
127 | PRI_MIN = -4, |
237 | static void |
128 | PRI_MAX = 4, |
238 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
129 | |
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130 | DEFAULT_PRI = 0, |
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131 | PRI_BIAS = -PRI_MIN, |
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132 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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133 | }; |
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134 | |
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135 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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136 | |
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137 | static int started, wanted; |
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138 | static volatile int nreqs; |
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139 | static int respipe [2]; |
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140 | |
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141 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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142 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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143 | #else |
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144 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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145 | #endif |
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146 | |
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147 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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148 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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149 | |
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150 | /* worker threads management */ |
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151 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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152 | |
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153 | typedef struct worker { |
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154 | /* locked by wrklock */ |
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155 | struct worker *prev, *next; |
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156 | |
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157 | pthread_t tid; |
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158 | |
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159 | /* locked by reslock, reqlock or wrklock */ |
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160 | aio_req req; /* currently processed request */ |
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161 | void *dbuf; |
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162 | DIR *dirp; |
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163 | } worker; |
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164 | |
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165 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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166 | |
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167 | static void worker_clear (worker *wrk) |
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168 | { |
239 | { |
169 | if (wrk->dirp) |
240 | sv_force_normal (sv); |
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241 | |
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242 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
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243 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
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244 | ->mg_obj = (SV *)length; |
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245 | |
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246 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
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247 | |
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248 | if (SvLEN (sv)) |
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249 | Safefree (SvPVX (sv)); |
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250 | |
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251 | SvPVX (sv) = (char *)addr; |
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252 | SvCUR_set (sv, length); |
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253 | SvLEN_set (sv, 0); |
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254 | SvPOK_only (sv); |
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255 | } |
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256 | |
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257 | static void |
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258 | sv_clear_foreign (SV *sv) |
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259 | { |
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260 | /* todo: iterate over magic and only free ours, but of course */ |
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261 | /* the perl5porters will call that (correct) behaviour buggy */ |
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262 | sv_unmagic (sv, FOREIGN_MAGIC); |
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263 | } |
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264 | |
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265 | /*****************************************************************************/ |
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266 | |
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267 | static void |
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268 | fiemap (eio_req *req) |
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269 | { |
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270 | req->result = -1; |
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271 | |
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272 | #if HAVE_FIEMAP |
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273 | /* assume some c99 */ |
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274 | struct fiemap *fiemap = 0; |
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275 | size_t end_offset; |
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276 | int count = req->int3; |
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277 | |
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278 | req->flags |= EIO_FLAG_PTR1_FREE; |
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279 | |
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280 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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281 | /* increase in 3.5kb steps */ |
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282 | if (count < 0) |
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283 | count = 8; |
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284 | |
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285 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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286 | errno = ENOMEM; |
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287 | if (!fiemap) |
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288 | return; |
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289 | |
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290 | req->ptr1 = fiemap; |
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291 | |
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292 | fiemap->fm_start = req->offs; |
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293 | fiemap->fm_length = req->size; |
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294 | fiemap->fm_flags = req->int2; |
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295 | fiemap->fm_extent_count = count; |
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296 | |
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297 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
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298 | return; |
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299 | |
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300 | if (req->int3 >= 0 /* not autosizing */ |
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301 | || !fiemap->fm_mapped_extents /* no more extents */ |
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302 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
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303 | goto done; |
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304 | |
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305 | /* else we have to loop - |
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306 | * it would be tempting (actually I tried that first) to just query the |
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307 | * number of extents needed, but linux often feels like not returning all |
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308 | * extents, without telling us it left any out. this complicates |
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309 | * this quite a bit. |
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310 | */ |
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311 | |
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312 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
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313 | |
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314 | for (;;) |
170 | { |
315 | { |
171 | closedir (wrk->dirp); |
316 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
172 | wrk->dirp = 0; |
317 | char scratch[3072]; |
173 | } |
318 | struct fiemap *incmap = (struct fiemap *)scratch; |
174 | |
319 | |
175 | if (wrk->dbuf) |
320 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
176 | { |
321 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
177 | free (wrk->dbuf); |
322 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
178 | wrk->dbuf = 0; |
323 | incmap->fm_flags = fiemap->fm_flags; |
179 | } |
324 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
180 | } |
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181 | |
325 | |
182 | static void worker_free (worker *wrk) |
326 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
183 | { |
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184 | wrk->next->prev = wrk->prev; |
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185 | wrk->prev->next = wrk->next; |
|
|
186 | |
|
|
187 | free (wrk); |
|
|
188 | } |
|
|
189 | |
|
|
190 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
|
|
191 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
|
|
192 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
193 | |
|
|
194 | /* |
|
|
195 | * a somewhat faster data structure might be nice, but |
|
|
196 | * with 8 priorities this actually needs <20 insns |
|
|
197 | * per shift, the most expensive operation. |
|
|
198 | */ |
|
|
199 | typedef struct { |
|
|
200 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
201 | int size; |
|
|
202 | } reqq; |
|
|
203 | |
|
|
204 | static reqq req_queue; |
|
|
205 | static reqq res_queue; |
|
|
206 | |
|
|
207 | int reqq_push (reqq *q, aio_req req) |
|
|
208 | { |
|
|
209 | int pri = req->pri; |
|
|
210 | req->next = 0; |
|
|
211 | |
|
|
212 | if (q->qe[pri]) |
|
|
213 | { |
|
|
214 | q->qe[pri]->next = req; |
|
|
215 | q->qe[pri] = req; |
|
|
216 | } |
|
|
217 | else |
|
|
218 | q->qe[pri] = q->qs[pri] = req; |
|
|
219 | |
|
|
220 | return q->size++; |
|
|
221 | } |
|
|
222 | |
|
|
223 | aio_req reqq_shift (reqq *q) |
|
|
224 | { |
|
|
225 | int pri; |
|
|
226 | |
|
|
227 | if (!q->size) |
|
|
228 | return 0; |
327 | return; |
229 | |
328 | |
230 | --q->size; |
329 | if (!incmap->fm_mapped_extents) |
|
|
330 | goto done; |
231 | |
331 | |
232 | for (pri = NUM_PRI; pri--; ) |
332 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
233 | { |
333 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
234 | aio_req req = q->qs[pri]; |
334 | errno = ENOMEM; |
235 | |
|
|
236 | if (req) |
335 | if (!fiemap) |
|
|
336 | return; |
|
|
337 | |
|
|
338 | req->ptr1 = fiemap; |
|
|
339 | |
|
|
340 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
237 | { |
341 | { |
238 | if (!(q->qs[pri] = req->next)) |
342 | struct fiemap_extent *e = incmap->fm_extents + count; |
239 | q->qe[pri] = 0; |
|
|
240 | |
343 | |
241 | return req; |
344 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
345 | goto done; |
|
|
346 | |
|
|
347 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
348 | |
|
|
349 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
350 | goto done; |
|
|
351 | |
242 | } |
352 | } |
243 | } |
353 | } |
244 | |
354 | |
245 | abort (); |
355 | done: |
246 | } |
356 | req->result = 0; |
247 | |
357 | |
248 | static int poll_cb (int max); |
358 | #else |
249 | static void req_invoke (aio_req req); |
359 | errno = ENOSYS; |
|
|
360 | #endif |
|
|
361 | } |
|
|
362 | |
|
|
363 | /*****************************************************************************/ |
|
|
364 | |
|
|
365 | enum { |
|
|
366 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
367 | }; |
|
|
368 | |
|
|
369 | typedef eio_req *aio_req; |
|
|
370 | typedef eio_req *aio_req_ornot; |
|
|
371 | typedef eio_wd aio_wd; |
|
|
372 | |
|
|
373 | static SV *on_next_submit; |
|
|
374 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
375 | static int max_outstanding; |
|
|
376 | |
|
|
377 | static s_epipe respipe; |
|
|
378 | |
250 | static void req_free (aio_req req); |
379 | static void req_destroy (aio_req req); |
251 | static void req_cancel (aio_req req); |
380 | static void req_cancel (aio_req req); |
252 | |
381 | |
|
|
382 | static void |
|
|
383 | want_poll (void) |
|
|
384 | { |
|
|
385 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
386 | s_epipe_signal (&respipe); |
|
|
387 | } |
|
|
388 | |
|
|
389 | static void |
|
|
390 | done_poll (void) |
|
|
391 | { |
|
|
392 | /* read any signals sent by the worker threads */ |
|
|
393 | s_epipe_drain (&respipe); |
|
|
394 | } |
|
|
395 | |
253 | /* must be called at most once */ |
396 | /* must be called at most once */ |
254 | static SV *req_sv (aio_req req, const char *klass) |
397 | static SV * |
|
|
398 | req_sv (aio_req req, HV *stash) |
255 | { |
399 | { |
256 | if (!req->self) |
400 | if (!req->self) |
257 | { |
401 | { |
258 | req->self = (SV *)newHV (); |
402 | req->self = (SV *)newHV (); |
259 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
403 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
260 | } |
404 | } |
261 | |
405 | |
262 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
406 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
263 | } |
407 | } |
264 | |
408 | |
265 | static aio_req SvAIO_REQ (SV *sv) |
409 | static SV * |
|
|
410 | newSVaio_wd (aio_wd wd) |
|
|
411 | { |
|
|
412 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
413 | } |
|
|
414 | |
|
|
415 | static aio_req |
|
|
416 | SvAIO_REQ (SV *sv) |
266 | { |
417 | { |
267 | MAGIC *mg; |
418 | MAGIC *mg; |
268 | |
419 | |
269 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
420 | if (!SvROK (sv) |
|
|
421 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
422 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
423 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
424 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
270 | croak ("object of class " AIO_REQ_KLASS " expected"); |
425 | croak ("object of class IO::AIO::REQ expected"); |
271 | |
426 | |
272 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
427 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
273 | |
428 | |
274 | return mg ? (aio_req)mg->mg_ptr : 0; |
429 | return mg ? (aio_req)mg->mg_ptr : 0; |
275 | } |
430 | } |
276 | |
431 | |
|
|
432 | static aio_wd |
|
|
433 | SvAIO_WD (SV *sv) |
|
|
434 | { |
|
|
435 | if (!SvROK (sv) |
|
|
436 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
437 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
438 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
439 | |
|
|
440 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
441 | } |
|
|
442 | |
|
|
443 | static SV * |
|
|
444 | newmortalFH (int fd, int flags) |
|
|
445 | { |
|
|
446 | if (fd < 0) |
|
|
447 | return &PL_sv_undef; |
|
|
448 | |
|
|
449 | GV *gv = (GV *)sv_newmortal (); |
|
|
450 | char sym[64]; |
|
|
451 | int symlen; |
|
|
452 | |
|
|
453 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
454 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
455 | |
|
|
456 | symlen = snprintf ( |
|
|
457 | sym, |
|
|
458 | sizeof (sym), |
|
|
459 | "%s&=%d", |
|
|
460 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
461 | fd |
|
|
462 | ); |
|
|
463 | |
|
|
464 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
465 | ? (SV *)gv : &PL_sv_undef; |
|
|
466 | } |
|
|
467 | |
|
|
468 | static void |
277 | static void aio_grp_feed (aio_req grp) |
469 | aio_grp_feed (aio_req grp) |
278 | { |
470 | { |
279 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
471 | if (grp->sv2 && SvOK (grp->sv2)) |
280 | { |
472 | { |
281 | int old_len = grp->length; |
|
|
282 | |
|
|
283 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
284 | { |
|
|
285 | dSP; |
473 | dSP; |
286 | |
474 | |
287 | ENTER; |
475 | ENTER; |
288 | SAVETMPS; |
476 | SAVETMPS; |
289 | PUSHMARK (SP); |
477 | PUSHMARK (SP); |
290 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
478 | XPUSHs (req_sv (grp, aio_grp_stash)); |
291 | PUTBACK; |
479 | PUTBACK; |
292 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
480 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
293 | SPAGAIN; |
481 | SPAGAIN; |
294 | FREETMPS; |
482 | FREETMPS; |
295 | LEAVE; |
483 | LEAVE; |
296 | } |
|
|
297 | |
|
|
298 | /* stop if no progress has been made */ |
|
|
299 | if (old_len == grp->length) |
|
|
300 | { |
|
|
301 | SvREFCNT_dec (grp->fh2); |
|
|
302 | grp->fh2 = 0; |
|
|
303 | break; |
|
|
304 | } |
|
|
305 | } |
484 | } |
306 | } |
485 | } |
307 | |
486 | |
308 | static void aio_grp_dec (aio_req grp) |
487 | static void |
|
|
488 | req_submit (eio_req *req) |
309 | { |
489 | { |
310 | --grp->length; |
490 | eio_submit (req); |
311 | |
491 | |
312 | /* call feeder, if applicable */ |
492 | if (expect_false (on_next_submit)) |
313 | aio_grp_feed (grp); |
|
|
314 | |
|
|
315 | /* finish, if done */ |
|
|
316 | if (!grp->length && grp->fd) |
|
|
317 | { |
493 | { |
318 | req_invoke (grp); |
494 | dSP; |
319 | req_free (grp); |
495 | SV *cb = sv_2mortal (on_next_submit); |
|
|
496 | |
|
|
497 | on_next_submit = 0; |
|
|
498 | |
|
|
499 | PUSHMARK (SP); |
|
|
500 | PUTBACK; |
|
|
501 | call_sv (cb, G_DISCARD | G_EVAL); |
320 | } |
502 | } |
321 | } |
503 | } |
322 | |
504 | |
323 | static void poll_wait () |
505 | static int |
|
|
506 | req_invoke (eio_req *req) |
324 | { |
507 | { |
325 | fd_set rfd; |
508 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
509 | SvREADONLY_off (req->sv2); |
326 | |
510 | |
327 | while (nreqs) |
511 | if (!EIO_CANCELLED (req) && req->callback) |
328 | { |
512 | { |
329 | int size; |
|
|
330 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
|
|
331 | LOCK (reslock); |
|
|
332 | #endif |
|
|
333 | size = res_queue.size; |
|
|
334 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
|
|
335 | UNLOCK (reslock); |
|
|
336 | #endif |
|
|
337 | |
|
|
338 | if (size) |
|
|
339 | return; |
|
|
340 | |
|
|
341 | FD_ZERO(&rfd); |
|
|
342 | FD_SET(respipe [0], &rfd); |
|
|
343 | |
|
|
344 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
345 | } |
|
|
346 | } |
|
|
347 | |
|
|
348 | static void req_invoke (aio_req req) |
|
|
349 | { |
|
|
350 | dSP; |
513 | dSP; |
351 | |
514 | static SV *sv_result_cache; /* caches the result integer SV */ |
352 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
515 | SV *sv_result; |
353 | { |
|
|
354 | errno = req->errorno; |
|
|
355 | |
516 | |
356 | ENTER; |
517 | ENTER; |
357 | SAVETMPS; |
518 | SAVETMPS; |
358 | PUSHMARK (SP); |
519 | PUSHMARK (SP); |
359 | EXTEND (SP, 1); |
520 | EXTEND (SP, 1); |
360 | |
521 | |
|
|
522 | /* do not recreate the result IV from scratch each time */ |
|
|
523 | if (expect_true (sv_result_cache)) |
|
|
524 | { |
|
|
525 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
526 | SvIV_set (sv_result, req->result); |
|
|
527 | SvIOK_only (sv_result); |
|
|
528 | } |
|
|
529 | else |
|
|
530 | { |
|
|
531 | sv_result = newSViv (req->result); |
|
|
532 | SvREADONLY_on (sv_result); |
|
|
533 | } |
|
|
534 | |
361 | switch (req->type) |
535 | switch (req->type) |
362 | { |
536 | { |
|
|
537 | case EIO_WD_OPEN: |
|
|
538 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
539 | break; |
|
|
540 | |
363 | case REQ_READDIR: |
541 | case EIO_READDIR: |
364 | { |
542 | { |
365 | SV *rv = &PL_sv_undef; |
543 | SV *rv = &PL_sv_undef; |
366 | |
544 | |
367 | if (req->result >= 0) |
545 | if (req->result >= 0) |
368 | { |
546 | { |
369 | int i; |
547 | int i; |
370 | char *buf = req->data2ptr; |
548 | char *names = (char *)req->ptr2; |
|
|
549 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
371 | AV *av = newAV (); |
550 | AV *av = newAV (); |
372 | |
551 | |
373 | av_extend (av, req->result - 1); |
552 | av_extend (av, req->result - 1); |
374 | |
553 | |
375 | for (i = 0; i < req->result; ++i) |
554 | for (i = 0; i < req->result; ++i) |
376 | { |
555 | { |
377 | SV *sv = newSVpv (buf, 0); |
556 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
557 | { |
|
|
558 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
378 | |
559 | |
|
|
560 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
561 | { |
|
|
562 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
563 | AV *avent = newAV (); |
|
|
564 | |
|
|
565 | av_extend (avent, 2); |
|
|
566 | |
|
|
567 | if (!sv_type [ent->type]) |
|
|
568 | { |
|
|
569 | sv_type [ent->type] = newSViv (ent->type); |
|
|
570 | SvREADONLY_on (sv_type [ent->type]); |
|
|
571 | } |
|
|
572 | |
|
|
573 | av_store (avent, 0, namesv); |
|
|
574 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
575 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
576 | |
|
|
577 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
578 | } |
|
|
579 | else |
379 | av_store (av, i, sv); |
580 | av_store (av, i, namesv); |
|
|
581 | |
|
|
582 | ++ent; |
|
|
583 | } |
|
|
584 | else |
|
|
585 | { |
|
|
586 | SV *name = newSVpv (names, 0); |
|
|
587 | av_store (av, i, name); |
380 | buf += SvCUR (sv) + 1; |
588 | names += SvCUR (name) + 1; |
|
|
589 | } |
381 | } |
590 | } |
382 | |
591 | |
383 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
592 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
384 | } |
593 | } |
385 | |
594 | |
386 | PUSHs (rv); |
595 | PUSHs (rv); |
|
|
596 | |
|
|
597 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
598 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
387 | } |
599 | } |
388 | break; |
600 | break; |
389 | |
601 | |
390 | case REQ_OPEN: |
602 | case EIO_OPEN: |
|
|
603 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
604 | break; |
|
|
605 | |
|
|
606 | case EIO_STATVFS: |
|
|
607 | case EIO_FSTATVFS: |
391 | { |
608 | { |
392 | /* convert fd to fh */ |
609 | SV *rv = &PL_sv_undef; |
393 | SV *fh; |
610 | |
|
|
611 | #ifndef _WIN32 |
|
|
612 | if (req->result >= 0) |
|
|
613 | { |
|
|
614 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
615 | HV *hv = newHV (); |
|
|
616 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
617 | * chooses to make it a struct. |
|
|
618 | */ |
|
|
619 | unsigned long fsid = 0; |
|
|
620 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
394 | |
621 | |
395 | PUSHs (sv_2mortal (newSViv (req->result))); |
622 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
396 | PUTBACK; |
|
|
397 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
398 | SPAGAIN; |
|
|
399 | |
623 | |
400 | fh = SvREFCNT_inc (POPs); |
624 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
625 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
626 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
627 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
628 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
629 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
630 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
631 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
632 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
633 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
634 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
635 | } |
|
|
636 | #endif |
401 | |
637 | |
402 | PUSHMARK (SP); |
638 | PUSHs (rv); |
403 | XPUSHs (sv_2mortal (fh)); |
|
|
404 | } |
639 | } |
|
|
640 | |
405 | break; |
641 | break; |
406 | |
642 | |
407 | case REQ_GROUP: |
643 | case EIO_GROUP: |
408 | req->fd = 2; /* mark group as finished */ |
644 | req->int1 = 2; /* mark group as finished */ |
409 | |
645 | |
410 | if (req->data) |
646 | if (req->sv1) |
411 | { |
647 | { |
412 | int i; |
648 | int i; |
413 | AV *av = (AV *)req->data; |
649 | AV *av = (AV *)req->sv1; |
414 | |
650 | |
415 | EXTEND (SP, AvFILL (av) + 1); |
651 | EXTEND (SP, AvFILL (av) + 1); |
416 | for (i = 0; i <= AvFILL (av); ++i) |
652 | for (i = 0; i <= AvFILL (av); ++i) |
417 | PUSHs (*av_fetch (av, i, 0)); |
653 | PUSHs (*av_fetch (av, i, 0)); |
418 | } |
654 | } |
419 | break; |
655 | break; |
420 | |
656 | |
421 | case REQ_NOP: |
657 | case EIO_NOP: |
422 | case REQ_BUSY: |
658 | case EIO_BUSY: |
423 | break; |
659 | break; |
424 | |
660 | |
|
|
661 | case EIO_READLINK: |
|
|
662 | case EIO_REALPATH: |
|
|
663 | if (req->result > 0) |
|
|
664 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
665 | break; |
|
|
666 | |
|
|
667 | case EIO_STAT: |
|
|
668 | case EIO_LSTAT: |
|
|
669 | case EIO_FSTAT: |
|
|
670 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
671 | |
|
|
672 | if (!(PL_laststatval = req->result)) |
|
|
673 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
674 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
675 | |
|
|
676 | PUSHs (sv_result); |
|
|
677 | break; |
|
|
678 | |
|
|
679 | case EIO_SEEK: |
|
|
680 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
681 | break; |
|
|
682 | |
|
|
683 | case EIO_READ: |
|
|
684 | { |
|
|
685 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
686 | *SvEND (req->sv2) = 0; |
|
|
687 | SvPOK_only (req->sv2); |
|
|
688 | SvSETMAGIC (req->sv2); |
|
|
689 | PUSHs (sv_result); |
|
|
690 | } |
|
|
691 | break; |
|
|
692 | |
|
|
693 | case EIO_SLURP: |
|
|
694 | { |
|
|
695 | if (req->result >= 0) |
|
|
696 | { |
|
|
697 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
698 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
699 | { |
|
|
700 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
701 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
702 | } |
|
|
703 | else |
|
|
704 | { |
|
|
705 | SvCUR_set (req->sv2, req->result); |
|
|
706 | *SvEND (req->sv2) = 0; |
|
|
707 | SvPOK_only (req->sv2); |
|
|
708 | } |
|
|
709 | |
|
|
710 | SvSETMAGIC (req->sv2); |
|
|
711 | } |
|
|
712 | |
|
|
713 | PUSHs (sv_result); |
|
|
714 | } |
|
|
715 | break; |
|
|
716 | |
|
|
717 | case EIO_CUSTOM: |
|
|
718 | if (req->feed == fiemap) |
|
|
719 | { |
|
|
720 | #if HAVE_FIEMAP |
|
|
721 | if (!req->result) |
|
|
722 | { |
|
|
723 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
724 | |
|
|
725 | if (fiemap->fm_extent_count) |
|
|
726 | { |
|
|
727 | AV *av = newAV (); |
|
|
728 | int i; |
|
|
729 | |
|
|
730 | while (fiemap->fm_mapped_extents) |
|
|
731 | { |
|
|
732 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
733 | AV *ext_av = newAV (); |
|
|
734 | |
|
|
735 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
736 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
737 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
738 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
739 | |
|
|
740 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
741 | } |
|
|
742 | |
|
|
743 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
744 | } |
|
|
745 | else |
|
|
746 | { |
|
|
747 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
748 | PUSHs (sv_result); |
|
|
749 | } |
|
|
750 | } |
|
|
751 | #endif |
|
|
752 | } |
|
|
753 | else |
|
|
754 | PUSHs (sv_result); |
|
|
755 | break; |
|
|
756 | |
|
|
757 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
758 | if (req->result > 0) |
|
|
759 | SvIV_set (sv_result, 0); |
|
|
760 | /* FALLTHROUGH */ |
|
|
761 | |
425 | default: |
762 | default: |
426 | PUSHs (sv_2mortal (newSViv (req->result))); |
763 | PUSHs (sv_result); |
427 | break; |
764 | break; |
428 | } |
765 | } |
429 | |
766 | |
|
|
767 | errno = req->errorno; |
430 | |
768 | |
431 | PUTBACK; |
769 | PUTBACK; |
432 | call_sv (req->callback, G_VOID | G_EVAL); |
770 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
433 | SPAGAIN; |
771 | SPAGAIN; |
|
|
772 | |
|
|
773 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
774 | SvREFCNT_dec (sv_result); |
|
|
775 | else |
|
|
776 | sv_result_cache = sv_result; |
434 | |
777 | |
435 | FREETMPS; |
778 | FREETMPS; |
436 | LEAVE; |
779 | LEAVE; |
|
|
780 | |
|
|
781 | PUTBACK; |
437 | } |
782 | } |
438 | |
783 | |
439 | if (req->grp) |
784 | return !!SvTRUE (ERRSV); |
440 | { |
|
|
441 | aio_req grp = req->grp; |
|
|
442 | |
|
|
443 | /* unlink request */ |
|
|
444 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
445 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
446 | |
|
|
447 | if (grp->grp_first == req) |
|
|
448 | grp->grp_first = req->grp_next; |
|
|
449 | |
|
|
450 | aio_grp_dec (grp); |
|
|
451 | } |
|
|
452 | |
|
|
453 | if (SvTRUE (ERRSV)) |
|
|
454 | { |
|
|
455 | req_free (req); |
|
|
456 | croak (0); |
|
|
457 | } |
|
|
458 | } |
785 | } |
459 | |
786 | |
460 | static void req_free (aio_req req) |
787 | static void |
|
|
788 | req_destroy (aio_req req) |
461 | { |
789 | { |
462 | if (req->self) |
790 | if (req->self) |
463 | { |
791 | { |
464 | sv_unmagic (req->self, PERL_MAGIC_ext); |
792 | sv_unmagic (req->self, PERL_MAGIC_ext); |
465 | SvREFCNT_dec (req->self); |
793 | SvREFCNT_dec (req->self); |
466 | } |
794 | } |
467 | |
795 | |
468 | SvREFCNT_dec (req->data); |
|
|
469 | SvREFCNT_dec (req->fh); |
796 | SvREFCNT_dec (req->sv1); |
470 | SvREFCNT_dec (req->fh2); |
797 | SvREFCNT_dec (req->sv2); |
|
|
798 | SvREFCNT_dec (req->sv3); |
|
|
799 | SvREFCNT_dec (req->sv4); |
471 | SvREFCNT_dec (req->callback); |
800 | SvREFCNT_dec (req->callback); |
472 | Safefree (req->statdata); |
|
|
473 | |
801 | |
474 | if (req->type == REQ_READDIR) |
|
|
475 | free (req->data2ptr); |
|
|
476 | |
|
|
477 | Safefree (req); |
802 | free (req); |
478 | } |
803 | } |
479 | |
804 | |
|
|
805 | static void |
480 | static void req_cancel_subs (aio_req grp) |
806 | req_cancel_subs (aio_req grp) |
481 | { |
807 | { |
482 | aio_req sub; |
|
|
483 | |
|
|
484 | if (grp->type != REQ_GROUP) |
808 | if (grp->type != EIO_GROUP) |
485 | return; |
809 | return; |
486 | |
810 | |
487 | SvREFCNT_dec (grp->fh2); |
811 | SvREFCNT_dec (grp->sv2); |
488 | grp->fh2 = 0; |
812 | grp->sv2 = 0; |
489 | |
813 | |
490 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
814 | eio_grp_cancel (grp); |
491 | req_cancel (sub); |
|
|
492 | } |
815 | } |
493 | |
816 | |
494 | static void req_cancel (aio_req req) |
817 | static void ecb_cold |
|
|
818 | create_respipe (void) |
495 | { |
819 | { |
496 | req->flags |= FLAG_CANCELLED; |
820 | if (s_epipe_renew (&respipe)) |
497 | |
821 | croak ("IO::AIO: unable to initialize result pipe"); |
498 | req_cancel_subs (req); |
|
|
499 | } |
822 | } |
500 | |
823 | |
501 | static int poll_cb (int max) |
824 | static void |
|
|
825 | poll_wait (void) |
502 | { |
826 | { |
503 | dSP; |
827 | while (eio_nreqs ()) |
504 | int count = 0; |
828 | { |
505 | int do_croak = 0; |
829 | int size; |
|
|
830 | |
|
|
831 | X_LOCK (EIO_POOL->reslock); |
|
|
832 | size = EIO_POOL->res_queue.size; |
|
|
833 | X_UNLOCK (EIO_POOL->reslock); |
|
|
834 | |
|
|
835 | if (size) |
|
|
836 | return; |
|
|
837 | |
|
|
838 | etp_maybe_start_thread (EIO_POOL); |
|
|
839 | |
|
|
840 | s_epipe_wait (&respipe); |
|
|
841 | } |
|
|
842 | } |
|
|
843 | |
|
|
844 | static int |
|
|
845 | poll_cb (void) |
|
|
846 | { |
|
|
847 | for (;;) |
|
|
848 | { |
|
|
849 | int res = eio_poll (); |
|
|
850 | |
|
|
851 | if (res > 0) |
|
|
852 | croak (0); |
|
|
853 | |
|
|
854 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
855 | return res; |
|
|
856 | |
|
|
857 | poll_wait (); |
|
|
858 | } |
|
|
859 | } |
|
|
860 | |
|
|
861 | static void ecb_cold |
|
|
862 | reinit (void) |
|
|
863 | { |
|
|
864 | create_respipe (); |
|
|
865 | |
|
|
866 | if (eio_init (want_poll, done_poll) < 0) |
|
|
867 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
868 | } |
|
|
869 | |
|
|
870 | /*****************************************************************************/ |
|
|
871 | |
|
|
872 | static SV * |
|
|
873 | get_cb (SV *cb_sv) |
|
|
874 | { |
|
|
875 | SvGETMAGIC (cb_sv); |
|
|
876 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
877 | } |
|
|
878 | |
|
|
879 | static aio_req ecb_noinline |
|
|
880 | dreq (SV *callback) |
|
|
881 | { |
|
|
882 | SV *cb_cv; |
506 | aio_req req; |
883 | aio_req req; |
|
|
884 | int req_pri = next_pri; |
|
|
885 | next_pri = EIO_PRI_DEFAULT; |
507 | |
886 | |
508 | while (max <= 0 || count < max) |
887 | cb_cv = get_cb (callback); |
|
|
888 | |
|
|
889 | req = calloc (sizeof (*req), 1); |
|
|
890 | if (!req) |
|
|
891 | croak ("out of memory during eio_req allocation"); |
|
|
892 | |
|
|
893 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
894 | req->pri = req_pri; |
|
|
895 | |
|
|
896 | return req; |
|
|
897 | } |
|
|
898 | |
|
|
899 | #define dREQ \ |
|
|
900 | aio_req req = dreq (callback); \ |
|
|
901 | |
|
|
902 | #define REQ_SEND \ |
|
|
903 | PUTBACK; \ |
|
|
904 | req_submit (req); \ |
|
|
905 | SPAGAIN; \ |
|
|
906 | \ |
|
|
907 | if (GIMME_V != G_VOID) \ |
|
|
908 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
909 | |
|
|
910 | ecb_inline void |
|
|
911 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
912 | { |
|
|
913 | if (expect_false (SvROK (path))) |
509 | { |
914 | { |
510 | LOCK (reslock); |
915 | SV *rv = SvRV (path); |
511 | req = reqq_shift (&res_queue); |
916 | SV *wdob; |
512 | |
917 | |
513 | if (req) |
918 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
514 | { |
919 | { |
515 | if (!res_queue.size) |
920 | path = AvARRAY (rv)[1]; |
|
|
921 | wdob = AvARRAY (rv)[0]; |
|
|
922 | |
|
|
923 | if (SvOK (wdob)) |
516 | { |
924 | { |
517 | /* read any signals sent by the worker threads */ |
925 | *wd = SvAIO_WD (wdob); |
518 | char buf [32]; |
926 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
519 | while (read (respipe [0], buf, 32) == 32) |
|
|
520 | ; |
|
|
521 | } |
927 | } |
|
|
928 | else |
|
|
929 | *wd = EIO_INVALID_WD; |
522 | } |
930 | } |
523 | |
931 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
524 | UNLOCK (reslock); |
|
|
525 | |
|
|
526 | if (!req) |
|
|
527 | break; |
|
|
528 | |
|
|
529 | --nreqs; |
|
|
530 | |
|
|
531 | if (req->type == REQ_QUIT) |
|
|
532 | started--; |
|
|
533 | else if (req->type == REQ_GROUP && req->length) |
|
|
534 | { |
932 | { |
535 | req->fd = 1; /* mark request as delayed */ |
933 | *wd = (aio_wd)(long)SvIVX (rv); |
536 | continue; |
934 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
935 | *ptr = "."; |
|
|
936 | return; /* path set to "." */ |
537 | } |
937 | } |
538 | else |
938 | else |
539 | { |
939 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
540 | if (req->type == REQ_READ) |
|
|
541 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
542 | |
|
|
543 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
544 | SvREADONLY_off (req->data); |
|
|
545 | |
|
|
546 | if (req->statdata) |
|
|
547 | { |
|
|
548 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
549 | PL_laststatval = req->result; |
|
|
550 | PL_statcache = *(req->statdata); |
|
|
551 | } |
|
|
552 | |
|
|
553 | req_invoke (req); |
|
|
554 | |
|
|
555 | count++; |
|
|
556 | } |
|
|
557 | |
|
|
558 | req_free (req); |
|
|
559 | } |
940 | } |
560 | |
941 | |
561 | return count; |
942 | *pathsv = newSVsv (path); |
|
|
943 | *ptr = SvPVbyte_nolen (*pathsv); |
562 | } |
944 | } |
563 | |
945 | |
564 | static void *aio_proc(void *arg); |
946 | static void ecb_noinline |
565 | |
947 | req_set_path1 (aio_req req, SV *path) |
566 | static void start_thread (void) |
|
|
567 | { |
948 | { |
568 | sigset_t fullsigset, oldsigset; |
949 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
569 | pthread_attr_t attr; |
950 | } |
570 | |
951 | |
571 | worker *wrk = calloc (1, sizeof (worker)); |
952 | static void ecb_noinline |
|
|
953 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
954 | { |
|
|
955 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
572 | |
956 | |
573 | if (!wrk) |
957 | switch (SvTYPE (rv)) |
574 | croak ("unable to allocate worker thread data"); |
|
|
575 | |
|
|
576 | pthread_attr_init (&attr); |
|
|
577 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
578 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
579 | |
|
|
580 | sigfillset (&fullsigset); |
|
|
581 | |
|
|
582 | LOCK (wrklock); |
|
|
583 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
584 | |
|
|
585 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
586 | { |
958 | { |
587 | wrk->prev = &wrk_first; |
959 | case SVt_PVIO: |
588 | wrk->next = wrk_first.next; |
960 | case SVt_PVLV: |
589 | wrk_first.next->prev = wrk; |
961 | case SVt_PVGV: |
590 | wrk_first.next = wrk; |
962 | req->type = type_fh; |
591 | started++; |
963 | req->sv1 = newSVsv (fh_or_path); |
|
|
964 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
965 | break; |
|
|
966 | |
|
|
967 | default: |
|
|
968 | req->type = type_path; |
|
|
969 | req_set_path1 (req, fh_or_path); |
|
|
970 | break; |
592 | } |
971 | } |
593 | else |
|
|
594 | free (wrk); |
|
|
595 | |
|
|
596 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
597 | UNLOCK (wrklock); |
|
|
598 | } |
972 | } |
599 | |
973 | |
600 | static void req_send (aio_req req) |
974 | XS(boot_IO__AIO) ecb_cold; |
601 | { |
|
|
602 | while (started < wanted && nreqs >= started) |
|
|
603 | start_thread (); |
|
|
604 | |
975 | |
605 | ++nreqs; |
976 | MODULE = IO::AIO PACKAGE = IO::AIO |
606 | |
977 | |
607 | LOCK (reqlock); |
978 | PROTOTYPES: ENABLE |
608 | reqq_push (&req_queue, req); |
|
|
609 | pthread_cond_signal (&reqwait); |
|
|
610 | UNLOCK (reqlock); |
|
|
611 | } |
|
|
612 | |
979 | |
613 | static void end_thread (void) |
980 | BOOT: |
614 | { |
981 | { |
615 | aio_req req; |
982 | static const struct { |
|
|
983 | const char *name; |
|
|
984 | IV iv; |
|
|
985 | } *civ, const_iv[] = { |
|
|
986 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
987 | # define const_iv(name) { # name, (IV) name }, |
|
|
988 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
616 | |
989 | |
617 | Newz (0, req, 1, aio_cb); |
990 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
991 | /* the first block can be undef if missing */ |
|
|
992 | const_iv (ENOSYS) |
|
|
993 | const_iv (EXDEV) |
|
|
994 | const_iv (EBADR) |
618 | |
995 | |
619 | req->type = REQ_QUIT; |
996 | /* for lseek */ |
620 | req->pri = PRI_MAX + PRI_BIAS; |
997 | const_iv (SEEK_DATA) |
|
|
998 | const_iv (SEEK_HOLE) |
621 | |
999 | |
622 | req_send (req); |
1000 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
623 | } |
1001 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
1002 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
1003 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
1004 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
1005 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
624 | |
1006 | |
625 | static void min_parallel (int nthreads) |
1007 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
626 | { |
1008 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
627 | if (wanted < nthreads) |
1009 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
628 | wanted = nthreads; |
1010 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
629 | } |
1011 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
630 | |
1012 | |
631 | static void max_parallel (int nthreads) |
1013 | /* the second block will be 0 when missing */ |
632 | { |
1014 | const_iv (O_RDONLY) |
633 | int cur = started; |
1015 | const_iv (O_WRONLY) |
|
|
1016 | const_iv (O_RDWR) |
|
|
1017 | const_iv (O_CREAT) |
|
|
1018 | const_iv (O_TRUNC) |
|
|
1019 | const_iv (O_EXCL) |
|
|
1020 | const_iv (O_APPEND) |
634 | |
1021 | |
635 | if (wanted > nthreads) |
1022 | const_iv (O_ASYNC) |
636 | wanted = nthreads; |
1023 | const_iv (O_DIRECT) |
|
|
1024 | const_iv (O_NOATIME) |
637 | |
1025 | |
638 | while (cur > wanted) |
1026 | const_iv (O_CLOEXEC) |
639 | { |
1027 | const_iv (O_NOCTTY) |
640 | end_thread (); |
1028 | const_iv (O_NOFOLLOW) |
641 | cur--; |
1029 | const_iv (O_NONBLOCK) |
642 | } |
1030 | const_iv (O_EXEC) |
|
|
1031 | const_iv (O_SEARCH) |
|
|
1032 | const_iv (O_DIRECTORY) |
|
|
1033 | const_iv (O_DSYNC) |
|
|
1034 | const_iv (O_RSYNC) |
|
|
1035 | const_iv (O_SYNC) |
|
|
1036 | const_iv (O_PATH) |
|
|
1037 | const_iv (O_TMPFILE) |
|
|
1038 | const_iv (O_TTY_INIT) |
643 | |
1039 | |
644 | while (started > wanted) |
1040 | const_iv (S_IFIFO) |
645 | { |
1041 | const_iv (S_IFCHR) |
646 | poll_wait (); |
1042 | const_iv (S_IFBLK) |
647 | poll_cb (0); |
1043 | const_iv (S_IFLNK) |
648 | } |
1044 | const_iv (S_IFREG) |
649 | } |
1045 | const_iv (S_IFDIR) |
|
|
1046 | const_iv (S_IFWHT) |
|
|
1047 | const_iv (S_IFSOCK) |
|
|
1048 | const_iv (S_IFMT) |
650 | |
1049 | |
651 | static void create_pipe () |
1050 | const_iv (ST_RDONLY) |
652 | { |
1051 | const_iv (ST_NOSUID) |
653 | if (pipe (respipe)) |
1052 | const_iv (ST_NODEV) |
654 | croak ("unable to initialize result pipe"); |
1053 | const_iv (ST_NOEXEC) |
|
|
1054 | const_iv (ST_SYNCHRONOUS) |
|
|
1055 | const_iv (ST_MANDLOCK) |
|
|
1056 | const_iv (ST_WRITE) |
|
|
1057 | const_iv (ST_APPEND) |
|
|
1058 | const_iv (ST_IMMUTABLE) |
|
|
1059 | const_iv (ST_NOATIME) |
|
|
1060 | const_iv (ST_NODIRATIME) |
|
|
1061 | const_iv (ST_RELATIME) |
655 | |
1062 | |
656 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
1063 | const_iv (PROT_NONE) |
657 | croak ("cannot set result pipe to nonblocking mode"); |
1064 | const_iv (PROT_EXEC) |
|
|
1065 | const_iv (PROT_READ) |
|
|
1066 | const_iv (PROT_WRITE) |
658 | |
1067 | |
659 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
1068 | const_iv (MAP_PRIVATE) |
660 | croak ("cannot set result pipe to nonblocking mode"); |
1069 | const_iv (MAP_SHARED) |
661 | } |
1070 | const_iv (MAP_FIXED) |
|
|
1071 | const_iv (MAP_ANONYMOUS) |
662 | |
1072 | |
663 | /*****************************************************************************/ |
1073 | /* linuxish */ |
664 | /* work around various missing functions */ |
1074 | const_iv (MAP_LOCKED) |
|
|
1075 | const_iv (MAP_NORESERVE) |
|
|
1076 | const_iv (MAP_POPULATE) |
|
|
1077 | const_iv (MAP_NONBLOCK) |
|
|
1078 | const_iv (MAP_GROWSDOWN) |
|
|
1079 | const_iv (MAP_32BIT) |
|
|
1080 | const_iv (MAP_HUGETLB) |
|
|
1081 | const_iv (MAP_STACK) |
665 | |
1082 | |
666 | #if !HAVE_PREADWRITE |
1083 | const_iv (F_DUPFD_CLOEXEC) |
667 | # define pread aio_pread |
|
|
668 | # define pwrite aio_pwrite |
|
|
669 | |
1084 | |
670 | /* |
1085 | const_iv (F_OFD_GETLK) |
671 | * make our pread/pwrite safe against themselves, but not against |
1086 | const_iv (F_OFD_SETLK) |
672 | * normal read/write by using a mutex. slows down execution a lot, |
1087 | const_iv (F_OFD_GETLKW) |
673 | * but that's your problem, not mine. |
|
|
674 | */ |
|
|
675 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
676 | |
1088 | |
677 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
1089 | const_iv (FIFREEZE) |
678 | { |
1090 | const_iv (FITHAW) |
679 | ssize_t res; |
1091 | const_iv (FITRIM) |
680 | off_t ooffset; |
1092 | const_iv (FICLONE) |
|
|
1093 | const_iv (FICLONERANGE) |
|
|
1094 | const_iv (FIDEDUPERANGE) |
681 | |
1095 | |
682 | LOCK (preadwritelock); |
1096 | const_iv (FS_IOC_GETFLAGS) |
683 | ooffset = lseek (fd, 0, SEEK_CUR); |
1097 | const_iv (FS_IOC_SETFLAGS) |
684 | lseek (fd, offset, SEEK_SET); |
1098 | const_iv (FS_IOC_GETVERSION) |
685 | res = read (fd, buf, count); |
1099 | const_iv (FS_IOC_SETVERSION) |
686 | lseek (fd, ooffset, SEEK_SET); |
1100 | const_iv (FS_IOC_FIEMAP) |
687 | UNLOCK (preadwritelock); |
1101 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1102 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1103 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1104 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1105 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
688 | |
1106 | |
689 | return res; |
1107 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
690 | } |
|
|
691 | |
1108 | |
692 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
1109 | const_iv (FS_SECRM_FL) |
693 | { |
1110 | const_iv (FS_UNRM_FL) |
694 | ssize_t res; |
1111 | const_iv (FS_COMPR_FL) |
695 | off_t ooffset; |
1112 | const_iv (FS_SYNC_FL) |
|
|
1113 | const_iv (FS_IMMUTABLE_FL) |
|
|
1114 | const_iv (FS_APPEND_FL) |
|
|
1115 | const_iv (FS_NODUMP_FL) |
|
|
1116 | const_iv (FS_NOATIME_FL) |
|
|
1117 | const_iv (FS_DIRTY_FL) |
|
|
1118 | const_iv (FS_COMPRBLK_FL) |
|
|
1119 | const_iv (FS_NOCOMP_FL) |
|
|
1120 | const_iv (FS_ENCRYPT_FL) |
|
|
1121 | const_iv (FS_BTREE_FL) |
|
|
1122 | const_iv (FS_INDEX_FL) |
|
|
1123 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1124 | const_iv (FS_NOTAIL_FL) |
|
|
1125 | const_iv (FS_DIRSYNC_FL) |
|
|
1126 | const_iv (FS_TOPDIR_FL) |
|
|
1127 | const_iv (FS_FL_USER_MODIFIABLE) |
696 | |
1128 | |
697 | LOCK (preadwritelock); |
1129 | const_iv (FS_XFLAG_REALTIME) |
698 | ooffset = lseek (fd, 0, SEEK_CUR); |
1130 | const_iv (FS_XFLAG_PREALLOC) |
699 | lseek (fd, offset, SEEK_SET); |
1131 | const_iv (FS_XFLAG_IMMUTABLE) |
700 | res = write (fd, buf, count); |
1132 | const_iv (FS_XFLAG_APPEND) |
701 | lseek (fd, offset, SEEK_SET); |
1133 | const_iv (FS_XFLAG_SYNC) |
702 | UNLOCK (preadwritelock); |
1134 | const_iv (FS_XFLAG_NOATIME) |
|
|
1135 | const_iv (FS_XFLAG_NODUMP) |
|
|
1136 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1137 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1138 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1139 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1140 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1141 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1142 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1143 | const_iv (FS_XFLAG_DAX) |
|
|
1144 | const_iv (FS_XFLAG_HASATTR) |
703 | |
1145 | |
704 | return res; |
1146 | const_iv (FIEMAP_FLAG_SYNC) |
705 | } |
1147 | const_iv (FIEMAP_FLAG_XATTR) |
706 | #endif |
1148 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1149 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1150 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1151 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1152 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1153 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1154 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1155 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1156 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1157 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1158 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1159 | const_iv (FIEMAP_EXTENT_SHARED) |
707 | |
1160 | |
708 | #if !HAVE_FDATASYNC |
1161 | const_iv (SPLICE_F_MOVE) |
709 | # define fdatasync fsync |
1162 | const_iv (SPLICE_F_NONBLOCK) |
710 | #endif |
1163 | const_iv (SPLICE_F_MORE) |
|
|
1164 | const_iv (SPLICE_F_GIFT) |
711 | |
1165 | |
712 | #if !HAVE_READAHEAD |
1166 | /* these are libeio constants, and are independent of gendef0 */ |
713 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
1167 | const_eio (SEEK_SET) |
|
|
1168 | const_eio (SEEK_CUR) |
|
|
1169 | const_eio (SEEK_END) |
714 | |
1170 | |
715 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
1171 | const_eio (MCL_FUTURE) |
716 | { |
1172 | const_eio (MCL_CURRENT) |
717 | dBUF; |
|
|
718 | |
1173 | |
719 | while (count > 0) |
1174 | const_eio (MS_ASYNC) |
720 | { |
1175 | const_eio (MS_INVALIDATE) |
721 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
1176 | const_eio (MS_SYNC) |
722 | |
1177 | |
723 | pread (fd, aio_buf, len, offset); |
1178 | const_eio (MT_MODIFY) |
724 | offset += len; |
|
|
725 | count -= len; |
|
|
726 | } |
|
|
727 | |
1179 | |
728 | errno = 0; |
1180 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
729 | } |
1181 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1182 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
730 | |
1183 | |
731 | #endif |
1184 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1185 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1186 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1187 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1188 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1189 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
732 | |
1190 | |
733 | #if !HAVE_READDIR_R |
1191 | const_eio (RENAME_NOREPLACE) |
734 | # define readdir_r aio_readdir_r |
1192 | const_eio (RENAME_EXCHANGE) |
|
|
1193 | const_eio (RENAME_WHITEOUT) |
735 | |
1194 | |
736 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
1195 | const_eio (READDIR_DENTS) |
737 | |
1196 | const_eio (READDIR_DIRS_FIRST) |
738 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
1197 | const_eio (READDIR_STAT_ORDER) |
739 | { |
1198 | const_eio (READDIR_FOUND_UNKNOWN) |
740 | struct dirent *e; |
|
|
741 | int errorno; |
|
|
742 | |
1199 | |
743 | LOCK (readdirlock); |
1200 | const_eio (DT_UNKNOWN) |
744 | |
1201 | const_eio (DT_FIFO) |
745 | e = readdir (dirp); |
1202 | const_eio (DT_CHR) |
746 | errorno = errno; |
1203 | const_eio (DT_DIR) |
747 | |
1204 | const_eio (DT_BLK) |
748 | if (e) |
1205 | const_eio (DT_REG) |
749 | { |
1206 | const_eio (DT_LNK) |
750 | *res = ent; |
1207 | const_eio (DT_SOCK) |
751 | strcpy (ent->d_name, e->d_name); |
1208 | const_eio (DT_WHT) |
752 | } |
|
|
753 | else |
|
|
754 | *res = 0; |
|
|
755 | |
|
|
756 | UNLOCK (readdirlock); |
|
|
757 | |
|
|
758 | errno = errorno; |
|
|
759 | return e ? 0 : -1; |
|
|
760 | } |
|
|
761 | #endif |
|
|
762 | |
|
|
763 | /* sendfile always needs emulation */ |
|
|
764 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
765 | { |
|
|
766 | ssize_t res; |
|
|
767 | |
|
|
768 | if (!count) |
|
|
769 | return 0; |
|
|
770 | |
|
|
771 | #if HAVE_SENDFILE |
|
|
772 | # if __linux |
|
|
773 | res = sendfile (ofd, ifd, &offset, count); |
|
|
774 | |
|
|
775 | # elif __freebsd |
|
|
776 | /* |
|
|
777 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
778 | * wasted on making it similar to other I/O functions. |
|
|
779 | */ |
|
|
780 | { |
|
|
781 | off_t sbytes; |
|
|
782 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
783 | |
|
|
784 | if (res < 0 && sbytes) |
|
|
785 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
786 | res = sbytes; |
|
|
787 | } |
1209 | }; |
788 | |
1210 | |
789 | # elif __hpux |
1211 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
790 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
1212 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1213 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1214 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
791 | |
1215 | |
792 | # elif __solaris |
1216 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
793 | { |
1217 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
794 | struct sendfilevec vec; |
|
|
795 | size_t sbytes; |
|
|
796 | |
1218 | |
797 | vec.sfv_fd = ifd; |
1219 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
798 | vec.sfv_flag = 0; |
|
|
799 | vec.sfv_off = offset; |
|
|
800 | vec.sfv_len = count; |
|
|
801 | |
1220 | |
802 | res = sendfilev (ofd, &vec, 1, &sbytes); |
1221 | reinit (); |
|
|
1222 | } |
803 | |
1223 | |
804 | if (res < 0 && sbytes) |
1224 | void |
|
|
1225 | reinit () |
|
|
1226 | PROTOTYPE: |
|
|
1227 | |
|
|
1228 | void |
|
|
1229 | max_poll_reqs (unsigned int nreqs) |
|
|
1230 | PROTOTYPE: $ |
|
|
1231 | CODE: |
|
|
1232 | eio_set_max_poll_reqs (nreqs); |
|
|
1233 | |
|
|
1234 | void |
|
|
1235 | max_poll_time (double nseconds) |
|
|
1236 | PROTOTYPE: $ |
|
|
1237 | CODE: |
|
|
1238 | eio_set_max_poll_time (nseconds); |
|
|
1239 | |
|
|
1240 | void |
|
|
1241 | min_parallel (unsigned int nthreads) |
|
|
1242 | PROTOTYPE: $ |
|
|
1243 | CODE: |
|
|
1244 | eio_set_min_parallel (nthreads); |
|
|
1245 | |
|
|
1246 | void |
|
|
1247 | max_parallel (unsigned int nthreads) |
|
|
1248 | PROTOTYPE: $ |
|
|
1249 | CODE: |
|
|
1250 | eio_set_max_parallel (nthreads); |
|
|
1251 | |
|
|
1252 | void |
|
|
1253 | max_idle (unsigned int nthreads) |
|
|
1254 | PROTOTYPE: $ |
|
|
1255 | CODE: |
|
|
1256 | eio_set_max_idle (nthreads); |
|
|
1257 | |
|
|
1258 | void |
|
|
1259 | idle_timeout (unsigned int seconds) |
|
|
1260 | PROTOTYPE: $ |
|
|
1261 | CODE: |
|
|
1262 | eio_set_idle_timeout (seconds); |
|
|
1263 | |
|
|
1264 | void |
|
|
1265 | max_outstanding (unsigned int maxreqs) |
|
|
1266 | PROTOTYPE: $ |
|
|
1267 | CODE: |
|
|
1268 | max_outstanding = maxreqs; |
|
|
1269 | |
|
|
1270 | void |
|
|
1271 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1272 | PPCODE: |
|
|
1273 | { |
|
|
1274 | dREQ; |
|
|
1275 | |
|
|
1276 | req->type = EIO_WD_OPEN; |
|
|
1277 | req_set_path1 (req, pathname); |
|
|
1278 | |
|
|
1279 | REQ_SEND; |
|
|
1280 | } |
|
|
1281 | |
|
|
1282 | void |
|
|
1283 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1284 | PPCODE: |
|
|
1285 | { |
|
|
1286 | dREQ; |
|
|
1287 | |
|
|
1288 | req->type = EIO_OPEN; |
|
|
1289 | req_set_path1 (req, pathname); |
|
|
1290 | req->int1 = flags; |
|
|
1291 | req->int2 = mode; |
|
|
1292 | |
|
|
1293 | REQ_SEND; |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | void |
|
|
1297 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1298 | ALIAS: |
|
|
1299 | aio_fsync = EIO_FSYNC |
|
|
1300 | aio_fdatasync = EIO_FDATASYNC |
|
|
1301 | aio_syncfs = EIO_SYNCFS |
|
|
1302 | PPCODE: |
|
|
1303 | { |
|
|
1304 | int fd = s_fileno_croak (fh, 0); |
|
|
1305 | dREQ; |
|
|
1306 | |
|
|
1307 | req->type = ix; |
|
|
1308 | req->sv1 = newSVsv (fh); |
|
|
1309 | req->int1 = fd; |
|
|
1310 | |
|
|
1311 | REQ_SEND; |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | void |
|
|
1315 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1316 | PPCODE: |
|
|
1317 | { |
|
|
1318 | int fd = s_fileno_croak (fh, 0); |
|
|
1319 | dREQ; |
|
|
1320 | |
|
|
1321 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1322 | req->sv1 = newSVsv (fh); |
|
|
1323 | req->int1 = fd; |
|
|
1324 | req->offs = offset; |
805 | res = sbytes; |
1325 | req->size = nbytes; |
806 | } |
1326 | req->int2 = flags; |
807 | |
1327 | |
808 | # endif |
1328 | REQ_SEND; |
|
|
1329 | } |
|
|
1330 | |
|
|
1331 | void |
|
|
1332 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1333 | PPCODE: |
|
|
1334 | { |
|
|
1335 | int fd = s_fileno_croak (fh, 0); |
|
|
1336 | dREQ; |
|
|
1337 | |
|
|
1338 | req->type = EIO_FALLOCATE; |
|
|
1339 | req->sv1 = newSVsv (fh); |
|
|
1340 | req->int1 = fd; |
|
|
1341 | req->int2 = mode; |
|
|
1342 | req->offs = offset; |
|
|
1343 | req->size = len; |
|
|
1344 | |
|
|
1345 | REQ_SEND; |
|
|
1346 | } |
|
|
1347 | |
|
|
1348 | void |
|
|
1349 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1350 | PPCODE: |
|
|
1351 | { |
|
|
1352 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1353 | int fd = s_fileno_croak (fh, 0); |
|
|
1354 | dREQ; |
|
|
1355 | |
|
|
1356 | if (expect_false (close_fd < 0)) |
|
|
1357 | { |
|
|
1358 | int pipefd [2]; |
|
|
1359 | |
|
|
1360 | if ( |
|
|
1361 | #ifdef _WIN32 |
|
|
1362 | _pipe (pipefd, 1, _O_BINARY) < 0 |
809 | #else |
1363 | #else |
810 | res = -1; |
1364 | pipe (pipefd) < 0 |
811 | errno = ENOSYS; |
1365 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
812 | #endif |
1366 | #endif |
813 | |
1367 | || close (pipefd [1]) < 0 |
814 | if (res < 0 |
|
|
815 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
816 | #if __solaris |
|
|
817 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
818 | #endif |
|
|
819 | ) |
|
|
820 | ) |
|
|
821 | { |
|
|
822 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
823 | dBUF; |
|
|
824 | |
|
|
825 | res = 0; |
|
|
826 | |
|
|
827 | while (count) |
|
|
828 | { |
|
|
829 | ssize_t cnt; |
|
|
830 | |
|
|
831 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
832 | |
|
|
833 | if (cnt <= 0) |
|
|
834 | { |
1368 | ) |
835 | if (cnt && !res) res = -1; |
1369 | abort (); /*D*/ |
836 | break; |
|
|
837 | } |
|
|
838 | |
1370 | |
839 | cnt = write (ofd, aio_buf, cnt); |
1371 | close_fd = pipefd [0]; |
840 | |
|
|
841 | if (cnt <= 0) |
|
|
842 | { |
|
|
843 | if (cnt && !res) res = -1; |
|
|
844 | break; |
|
|
845 | } |
|
|
846 | |
|
|
847 | offset += cnt; |
|
|
848 | res += cnt; |
|
|
849 | count -= cnt; |
|
|
850 | } |
|
|
851 | } |
|
|
852 | |
|
|
853 | return res; |
|
|
854 | } |
|
|
855 | |
|
|
856 | /* read a full directory */ |
|
|
857 | static void scandir_ (aio_req req, worker *self) |
|
|
858 | { |
|
|
859 | DIR *dirp; |
|
|
860 | union |
|
|
861 | { |
|
|
862 | struct dirent d; |
|
|
863 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
864 | } *u; |
|
|
865 | struct dirent *entp; |
|
|
866 | char *name, *names; |
|
|
867 | int memlen = 4096; |
|
|
868 | int memofs = 0; |
|
|
869 | int res = 0; |
|
|
870 | int errorno; |
|
|
871 | |
|
|
872 | LOCK (wrklock); |
|
|
873 | self->dirp = dirp = opendir (req->dataptr); |
|
|
874 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
875 | req->data2ptr = names = malloc (memlen); |
|
|
876 | UNLOCK (wrklock); |
|
|
877 | |
|
|
878 | if (dirp && u && names) |
|
|
879 | for (;;) |
|
|
880 | { |
|
|
881 | errno = 0; |
|
|
882 | readdir_r (dirp, &u->d, &entp); |
|
|
883 | |
|
|
884 | if (!entp) |
|
|
885 | break; |
|
|
886 | |
|
|
887 | name = entp->d_name; |
|
|
888 | |
|
|
889 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
890 | { |
|
|
891 | int len = strlen (name) + 1; |
|
|
892 | |
|
|
893 | res++; |
|
|
894 | |
|
|
895 | while (memofs + len > memlen) |
|
|
896 | { |
|
|
897 | memlen *= 2; |
|
|
898 | LOCK (wrklock); |
|
|
899 | req->data2ptr = names = realloc (names, memlen); |
|
|
900 | UNLOCK (wrklock); |
|
|
901 | |
|
|
902 | if (!names) |
|
|
903 | break; |
|
|
904 | } |
|
|
905 | |
|
|
906 | memcpy (names + memofs, name, len); |
|
|
907 | memofs += len; |
|
|
908 | } |
1372 | } |
909 | } |
|
|
910 | |
1373 | |
911 | if (errno) |
1374 | req->type = EIO_DUP2; |
912 | res = -1; |
1375 | req->int1 = close_fd; |
913 | |
1376 | req->sv2 = newSVsv (fh); |
914 | req->result = res; |
1377 | req->int2 = fd; |
915 | } |
|
|
916 | |
1378 | |
917 | /*****************************************************************************/ |
1379 | REQ_SEND; |
918 | |
|
|
919 | static void *aio_proc (void *thr_arg) |
|
|
920 | { |
|
|
921 | aio_req req; |
|
|
922 | int type; |
|
|
923 | worker *self = (worker *)thr_arg; |
|
|
924 | |
|
|
925 | do |
|
|
926 | { |
|
|
927 | LOCK (reqlock); |
|
|
928 | |
|
|
929 | for (;;) |
|
|
930 | { |
|
|
931 | self->req = req = reqq_shift (&req_queue); |
|
|
932 | |
|
|
933 | if (req) |
|
|
934 | break; |
|
|
935 | |
|
|
936 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
937 | } |
|
|
938 | |
|
|
939 | UNLOCK (reqlock); |
|
|
940 | |
|
|
941 | errno = 0; /* strictly unnecessary */ |
|
|
942 | type = req->type; /* remember type for QUIT check */ |
|
|
943 | |
|
|
944 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
945 | switch (type) |
|
|
946 | { |
|
|
947 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
948 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
949 | |
|
|
950 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
951 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
952 | |
|
|
953 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
954 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
955 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
956 | |
|
|
957 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
958 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
959 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
960 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
961 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
962 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
963 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
964 | |
|
|
965 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
966 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
967 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
968 | |
|
|
969 | case REQ_BUSY: |
|
|
970 | { |
|
|
971 | struct timeval tv; |
|
|
972 | |
|
|
973 | tv.tv_sec = req->fd; |
|
|
974 | tv.tv_usec = req->fd2; |
|
|
975 | |
|
|
976 | req->result = select (0, 0, 0, 0, &tv); |
|
|
977 | } |
|
|
978 | |
|
|
979 | case REQ_GROUP: |
|
|
980 | case REQ_NOP: |
|
|
981 | case REQ_QUIT: |
|
|
982 | break; |
|
|
983 | |
|
|
984 | default: |
|
|
985 | req->result = ENOSYS; |
|
|
986 | break; |
|
|
987 | } |
|
|
988 | |
|
|
989 | req->errorno = errno; |
|
|
990 | |
|
|
991 | LOCK (reslock); |
|
|
992 | |
|
|
993 | if (!reqq_push (&res_queue, req)) |
|
|
994 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
995 | write (respipe [1], &respipe, 1); |
|
|
996 | |
|
|
997 | self->req = 0; |
|
|
998 | worker_clear (self); |
|
|
999 | |
|
|
1000 | UNLOCK (reslock); |
|
|
1001 | } |
|
|
1002 | while (type != REQ_QUIT); |
|
|
1003 | |
|
|
1004 | LOCK (wrklock); |
|
|
1005 | worker_free (self); |
|
|
1006 | UNLOCK (wrklock); |
|
|
1007 | |
|
|
1008 | return 0; |
|
|
1009 | } |
1380 | } |
1010 | |
1381 | |
1011 | /*****************************************************************************/ |
|
|
1012 | |
|
|
1013 | static void atfork_prepare (void) |
|
|
1014 | { |
|
|
1015 | LOCK (wrklock); |
|
|
1016 | LOCK (reqlock); |
|
|
1017 | LOCK (reslock); |
|
|
1018 | #if !HAVE_PREADWRITE |
|
|
1019 | LOCK (preadwritelock); |
|
|
1020 | #endif |
|
|
1021 | #if !HAVE_READDIR_R |
|
|
1022 | LOCK (readdirlock); |
|
|
1023 | #endif |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | static void atfork_parent (void) |
|
|
1027 | { |
|
|
1028 | #if !HAVE_READDIR_R |
|
|
1029 | UNLOCK (readdirlock); |
|
|
1030 | #endif |
|
|
1031 | #if !HAVE_PREADWRITE |
|
|
1032 | UNLOCK (preadwritelock); |
|
|
1033 | #endif |
|
|
1034 | UNLOCK (reslock); |
|
|
1035 | UNLOCK (reqlock); |
|
|
1036 | UNLOCK (wrklock); |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | static void atfork_child (void) |
|
|
1040 | { |
|
|
1041 | aio_req prv; |
|
|
1042 | |
|
|
1043 | while (prv = reqq_shift (&req_queue)) |
|
|
1044 | req_free (prv); |
|
|
1045 | |
|
|
1046 | while (prv = reqq_shift (&res_queue)) |
|
|
1047 | req_free (prv); |
|
|
1048 | |
|
|
1049 | while (wrk_first.next != &wrk_first) |
|
|
1050 | { |
|
|
1051 | worker *wrk = wrk_first.next; |
|
|
1052 | |
|
|
1053 | if (wrk->req) |
|
|
1054 | req_free (wrk->req); |
|
|
1055 | |
|
|
1056 | worker_clear (wrk); |
|
|
1057 | worker_free (wrk); |
|
|
1058 | } |
|
|
1059 | |
|
|
1060 | started = 0; |
|
|
1061 | nreqs = 0; |
|
|
1062 | |
|
|
1063 | close (respipe [0]); |
|
|
1064 | close (respipe [1]); |
|
|
1065 | create_pipe (); |
|
|
1066 | |
|
|
1067 | atfork_parent (); |
|
|
1068 | } |
|
|
1069 | |
|
|
1070 | #define dREQ \ |
|
|
1071 | aio_req req; \ |
|
|
1072 | int req_pri = next_pri; \ |
|
|
1073 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1074 | \ |
|
|
1075 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1076 | croak ("callback must be undef or of reference type"); \ |
|
|
1077 | \ |
|
|
1078 | Newz (0, req, 1, aio_cb); \ |
|
|
1079 | if (!req) \ |
|
|
1080 | croak ("out of memory during aio_req allocation"); \ |
|
|
1081 | \ |
|
|
1082 | req->callback = newSVsv (callback); \ |
|
|
1083 | req->pri = req_pri |
|
|
1084 | |
|
|
1085 | #define REQ_SEND \ |
|
|
1086 | req_send (req); \ |
|
|
1087 | \ |
|
|
1088 | if (GIMME_V != G_VOID) \ |
|
|
1089 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1090 | |
|
|
1091 | MODULE = IO::AIO PACKAGE = IO::AIO |
|
|
1092 | |
|
|
1093 | PROTOTYPES: ENABLE |
|
|
1094 | |
|
|
1095 | BOOT: |
|
|
1096 | { |
|
|
1097 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1098 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
1099 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
1100 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1101 | |
|
|
1102 | create_pipe (); |
|
|
1103 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1104 | } |
|
|
1105 | |
|
|
1106 | void |
1382 | void |
1107 | min_parallel (nthreads) |
1383 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
1108 | int nthreads |
1384 | PPCODE: |
1109 | PROTOTYPE: $ |
|
|
1110 | |
|
|
1111 | void |
|
|
1112 | max_parallel (nthreads) |
|
|
1113 | int nthreads |
|
|
1114 | PROTOTYPE: $ |
|
|
1115 | |
|
|
1116 | void |
|
|
1117 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
|
|
1118 | SV * pathname |
|
|
1119 | int flags |
|
|
1120 | int mode |
|
|
1121 | SV * callback |
|
|
1122 | PROTOTYPE: $$$;$ |
|
|
1123 | PPCODE: |
|
|
1124 | { |
1385 | { |
|
|
1386 | int fd = s_fileno_croak (fh, 0); |
1125 | dREQ; |
1387 | dREQ; |
1126 | |
1388 | |
1127 | req->type = REQ_OPEN; |
1389 | req->type = EIO_SEEK; |
1128 | req->data = newSVsv (pathname); |
1390 | req->sv1 = newSVsv (fh); |
1129 | req->dataptr = SvPVbyte_nolen (req->data); |
1391 | req->int1 = fd; |
1130 | req->fd = flags; |
1392 | req->offs = SvVAL64 (offset); |
1131 | req->mode = mode; |
1393 | req->int2 = whence; |
1132 | |
1394 | |
1133 | REQ_SEND; |
1395 | REQ_SEND; |
1134 | } |
1396 | } |
1135 | |
1397 | |
1136 | void |
1398 | void |
1137 | aio_close (fh,callback=&PL_sv_undef) |
1399 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1138 | SV * fh |
|
|
1139 | SV * callback |
|
|
1140 | PROTOTYPE: $;$ |
|
|
1141 | ALIAS: |
1400 | ALIAS: |
1142 | aio_close = REQ_CLOSE |
|
|
1143 | aio_fsync = REQ_FSYNC |
|
|
1144 | aio_fdatasync = REQ_FDATASYNC |
|
|
1145 | PPCODE: |
|
|
1146 | { |
|
|
1147 | dREQ; |
|
|
1148 | |
|
|
1149 | req->type = ix; |
|
|
1150 | req->fh = newSVsv (fh); |
|
|
1151 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1152 | |
|
|
1153 | REQ_SEND (req); |
|
|
1154 | } |
|
|
1155 | |
|
|
1156 | void |
|
|
1157 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
|
|
1158 | SV * fh |
|
|
1159 | UV offset |
|
|
1160 | UV length |
|
|
1161 | SV * data |
|
|
1162 | UV dataoffset |
|
|
1163 | SV * callback |
|
|
1164 | ALIAS: |
|
|
1165 | aio_read = REQ_READ |
1401 | aio_read = EIO_READ |
1166 | aio_write = REQ_WRITE |
1402 | aio_write = EIO_WRITE |
1167 | PROTOTYPE: $$$$$;$ |
|
|
1168 | PPCODE: |
1403 | PPCODE: |
1169 | { |
1404 | { |
1170 | aio_req req; |
|
|
1171 | STRLEN svlen; |
1405 | STRLEN svlen; |
|
|
1406 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1172 | char *svptr = SvPVbyte (data, svlen); |
1407 | char *svptr = SvPVbyte (data, svlen); |
1173 | |
1408 | UV len = SvUV (length); |
1174 | SvUPGRADE (data, SVt_PV); |
|
|
1175 | SvPOK_on (data); |
|
|
1176 | |
1409 | |
1177 | if (dataoffset < 0) |
1410 | if (dataoffset < 0) |
1178 | dataoffset += svlen; |
1411 | dataoffset += svlen; |
1179 | |
1412 | |
1180 | if (dataoffset < 0 || dataoffset > svlen) |
1413 | if (dataoffset < 0 || dataoffset > svlen) |
1181 | croak ("data offset outside of string"); |
1414 | croak ("dataoffset outside of data scalar"); |
1182 | |
1415 | |
1183 | if (ix == REQ_WRITE) |
1416 | if (ix == EIO_WRITE) |
1184 | { |
1417 | { |
1185 | /* write: check length and adjust. */ |
1418 | /* write: check length and adjust. */ |
1186 | if (length < 0 || length + dataoffset > svlen) |
1419 | if (!SvOK (length) || len + dataoffset > svlen) |
1187 | length = svlen - dataoffset; |
1420 | len = svlen - dataoffset; |
1188 | } |
1421 | } |
1189 | else |
1422 | else |
1190 | { |
1423 | { |
1191 | /* read: grow scalar as necessary */ |
1424 | /* read: check type and grow scalar as necessary */ |
|
|
1425 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1192 | svptr = SvGROW (data, length + dataoffset); |
1426 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1427 | else if (SvCUR (data) < len + dataoffset) |
|
|
1428 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1193 | } |
1429 | } |
1194 | |
|
|
1195 | if (length < 0) |
|
|
1196 | croak ("length must not be negative"); |
|
|
1197 | |
1430 | |
1198 | { |
1431 | { |
1199 | dREQ; |
1432 | dREQ; |
1200 | |
1433 | |
1201 | req->type = ix; |
1434 | req->type = ix; |
1202 | req->fh = newSVsv (fh); |
1435 | req->sv1 = newSVsv (fh); |
1203 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1436 | req->int1 = fd; |
1204 | : IoOFP (sv_2io (fh))); |
1437 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1205 | req->offset = offset; |
1438 | req->size = len; |
1206 | req->length = length; |
|
|
1207 | req->data = SvREFCNT_inc (data); |
1439 | req->sv2 = SvREFCNT_inc (data); |
1208 | req->dataptr = (char *)svptr + dataoffset; |
1440 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1441 | req->stroffset = dataoffset; |
1209 | |
1442 | |
1210 | if (!SvREADONLY (data)) |
1443 | if (!SvREADONLY (data)) |
1211 | { |
1444 | { |
1212 | SvREADONLY_on (data); |
1445 | SvREADONLY_on (data); |
1213 | req->data2ptr = (void *)data; |
1446 | req->flags |= FLAG_SV2_RO_OFF; |
1214 | } |
1447 | } |
1215 | |
1448 | |
1216 | REQ_SEND; |
1449 | REQ_SEND; |
1217 | } |
1450 | } |
1218 | } |
1451 | } |
1219 | |
1452 | |
1220 | void |
1453 | void |
1221 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1454 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1222 | SV * out_fh |
1455 | ALIAS: |
1223 | SV * in_fh |
1456 | aio_ioctl = EIO_IOCTL |
1224 | UV in_offset |
1457 | aio_fcntl = EIO_FCNTL |
1225 | UV length |
|
|
1226 | SV * callback |
|
|
1227 | PROTOTYPE: $$$$;$ |
|
|
1228 | PPCODE: |
1458 | PPCODE: |
1229 | { |
1459 | { |
1230 | dREQ; |
1460 | int fd = s_fileno_croak (fh, 0); |
|
|
1461 | char *svptr; |
1231 | |
1462 | |
1232 | req->type = REQ_SENDFILE; |
1463 | if (SvPOK (arg) || !SvNIOK (arg)) |
1233 | req->fh = newSVsv (out_fh); |
|
|
1234 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
1235 | req->fh2 = newSVsv (in_fh); |
|
|
1236 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
1237 | req->offset = in_offset; |
|
|
1238 | req->length = length; |
|
|
1239 | |
|
|
1240 | REQ_SEND; |
|
|
1241 | } |
|
|
1242 | |
|
|
1243 | void |
|
|
1244 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
|
|
1245 | SV * fh |
|
|
1246 | UV offset |
|
|
1247 | IV length |
|
|
1248 | SV * callback |
|
|
1249 | PROTOTYPE: $$$;$ |
|
|
1250 | PPCODE: |
|
|
1251 | { |
|
|
1252 | dREQ; |
|
|
1253 | |
|
|
1254 | req->type = REQ_READAHEAD; |
|
|
1255 | req->fh = newSVsv (fh); |
|
|
1256 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1257 | req->offset = offset; |
|
|
1258 | req->length = length; |
|
|
1259 | |
|
|
1260 | REQ_SEND; |
|
|
1261 | } |
|
|
1262 | |
|
|
1263 | void |
|
|
1264 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
|
|
1265 | SV * fh_or_path |
|
|
1266 | SV * callback |
|
|
1267 | ALIAS: |
|
|
1268 | aio_stat = REQ_STAT |
|
|
1269 | aio_lstat = REQ_LSTAT |
|
|
1270 | PPCODE: |
|
|
1271 | { |
|
|
1272 | dREQ; |
|
|
1273 | |
|
|
1274 | New (0, req->statdata, 1, Stat_t); |
|
|
1275 | if (!req->statdata) |
|
|
1276 | { |
1464 | { |
1277 | req_free (req); |
1465 | STRLEN svlen; |
1278 | croak ("out of memory during aio_req->statdata allocation"); |
1466 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1279 | } |
1467 | #ifdef IOCPARM_LEN |
|
|
1468 | STRLEN need = IOCPARM_LEN (request); |
|
|
1469 | #else |
|
|
1470 | STRLEN need = 256; |
|
|
1471 | #endif |
1280 | |
1472 | |
1281 | if (SvPOK (fh_or_path)) |
1473 | if (svlen < need) |
1282 | { |
1474 | svptr = SvGROW (arg, need); |
1283 | req->type = ix; |
|
|
1284 | req->data = newSVsv (fh_or_path); |
|
|
1285 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1286 | } |
1475 | } |
1287 | else |
1476 | else |
|
|
1477 | svptr = (char *)SvIV (arg); |
|
|
1478 | |
1288 | { |
1479 | { |
|
|
1480 | dREQ; |
|
|
1481 | |
1289 | req->type = REQ_FSTAT; |
1482 | req->type = ix; |
1290 | req->fh = newSVsv (fh_or_path); |
1483 | req->sv1 = newSVsv (fh); |
1291 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1484 | req->int1 = fd; |
|
|
1485 | req->int2 = (long)request; |
|
|
1486 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1487 | req->ptr2 = svptr; |
|
|
1488 | |
|
|
1489 | REQ_SEND; |
1292 | } |
1490 | } |
|
|
1491 | } |
|
|
1492 | |
|
|
1493 | void |
|
|
1494 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1495 | ALIAS: |
|
|
1496 | aio_readlink = EIO_READLINK |
|
|
1497 | aio_realpath = EIO_REALPATH |
|
|
1498 | PPCODE: |
|
|
1499 | { |
|
|
1500 | dREQ; |
|
|
1501 | |
|
|
1502 | req->type = ix; |
|
|
1503 | req_set_path1 (req, pathname); |
1293 | |
1504 | |
1294 | REQ_SEND; |
1505 | REQ_SEND; |
1295 | } |
1506 | } |
1296 | |
1507 | |
1297 | void |
1508 | void |
1298 | aio_unlink (pathname,callback=&PL_sv_undef) |
1509 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1299 | SV * pathname |
1510 | PPCODE: |
1300 | SV * callback |
1511 | { |
|
|
1512 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1513 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1514 | dREQ; |
|
|
1515 | |
|
|
1516 | req->type = EIO_SENDFILE; |
|
|
1517 | req->sv1 = newSVsv (out_fh); |
|
|
1518 | req->int1 = ofd; |
|
|
1519 | req->sv2 = newSVsv (in_fh); |
|
|
1520 | req->int2 = ifd; |
|
|
1521 | req->offs = in_offset; |
|
|
1522 | req->size = length; |
|
|
1523 | |
|
|
1524 | REQ_SEND; |
|
|
1525 | } |
|
|
1526 | |
|
|
1527 | void |
|
|
1528 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1529 | PPCODE: |
|
|
1530 | { |
|
|
1531 | int fd = s_fileno_croak (fh, 0); |
|
|
1532 | dREQ; |
|
|
1533 | |
|
|
1534 | req->type = EIO_READAHEAD; |
|
|
1535 | req->sv1 = newSVsv (fh); |
|
|
1536 | req->int1 = fd; |
|
|
1537 | req->offs = offset; |
|
|
1538 | req->size = length; |
|
|
1539 | |
|
|
1540 | REQ_SEND; |
|
|
1541 | } |
|
|
1542 | |
|
|
1543 | void |
|
|
1544 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1301 | ALIAS: |
1545 | ALIAS: |
|
|
1546 | aio_stat = EIO_STAT |
|
|
1547 | aio_lstat = EIO_LSTAT |
|
|
1548 | aio_statvfs = EIO_STATVFS |
|
|
1549 | PPCODE: |
|
|
1550 | { |
|
|
1551 | dREQ; |
|
|
1552 | |
|
|
1553 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1554 | |
|
|
1555 | REQ_SEND; |
|
|
1556 | } |
|
|
1557 | |
|
|
1558 | UV |
|
|
1559 | major (UV dev) |
|
|
1560 | ALIAS: |
|
|
1561 | minor = 1 |
|
|
1562 | CODE: |
|
|
1563 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1564 | OUTPUT: |
|
|
1565 | RETVAL |
|
|
1566 | |
|
|
1567 | UV |
|
|
1568 | makedev (UV maj, UV min) |
|
|
1569 | CODE: |
|
|
1570 | RETVAL = makedev (maj, min); |
|
|
1571 | OUTPUT: |
|
|
1572 | RETVAL |
|
|
1573 | |
|
|
1574 | void |
|
|
1575 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1576 | PPCODE: |
|
|
1577 | { |
|
|
1578 | dREQ; |
|
|
1579 | |
|
|
1580 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1581 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1582 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1583 | |
|
|
1584 | REQ_SEND; |
|
|
1585 | } |
|
|
1586 | |
|
|
1587 | void |
|
|
1588 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1589 | PPCODE: |
|
|
1590 | { |
|
|
1591 | dREQ; |
|
|
1592 | |
|
|
1593 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1594 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1595 | |
|
|
1596 | REQ_SEND; |
|
|
1597 | } |
|
|
1598 | |
|
|
1599 | void |
|
|
1600 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1601 | PPCODE: |
|
|
1602 | { |
|
|
1603 | dREQ; |
|
|
1604 | |
|
|
1605 | req->int2 = mode; |
|
|
1606 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1607 | |
|
|
1608 | REQ_SEND; |
|
|
1609 | } |
|
|
1610 | |
|
|
1611 | void |
|
|
1612 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1613 | PPCODE: |
|
|
1614 | { |
|
|
1615 | dREQ; |
|
|
1616 | |
|
|
1617 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1618 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1619 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1620 | |
|
|
1621 | REQ_SEND; |
|
|
1622 | } |
|
|
1623 | |
|
|
1624 | void |
|
|
1625 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1626 | PPCODE: |
|
|
1627 | { |
|
|
1628 | dREQ; |
|
|
1629 | |
|
|
1630 | req->type = EIO_READDIR; |
|
|
1631 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1632 | |
|
|
1633 | if (flags & EIO_READDIR_DENTS) |
|
|
1634 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1635 | |
|
|
1636 | req_set_path1 (req, pathname); |
|
|
1637 | |
|
|
1638 | REQ_SEND; |
|
|
1639 | } |
|
|
1640 | |
|
|
1641 | void |
|
|
1642 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1643 | PPCODE: |
|
|
1644 | { |
|
|
1645 | dREQ; |
|
|
1646 | |
|
|
1647 | req->type = EIO_MKDIR; |
|
|
1648 | req->int2 = mode; |
|
|
1649 | req_set_path1 (req, pathname); |
|
|
1650 | |
|
|
1651 | REQ_SEND; |
|
|
1652 | } |
|
|
1653 | |
|
|
1654 | void |
|
|
1655 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1656 | ALIAS: |
1302 | aio_unlink = REQ_UNLINK |
1657 | aio_unlink = EIO_UNLINK |
1303 | aio_rmdir = REQ_RMDIR |
1658 | aio_rmdir = EIO_RMDIR |
1304 | aio_readdir = REQ_READDIR |
1659 | aio_readdir = EIO_READDIR |
1305 | PPCODE: |
1660 | PPCODE: |
1306 | { |
1661 | { |
1307 | dREQ; |
1662 | dREQ; |
1308 | |
1663 | |
1309 | req->type = ix; |
1664 | req->type = ix; |
1310 | req->data = newSVsv (pathname); |
1665 | req_set_path1 (req, pathname); |
1311 | req->dataptr = SvPVbyte_nolen (req->data); |
1666 | |
1312 | |
|
|
1313 | REQ_SEND; |
1667 | REQ_SEND; |
1314 | } |
1668 | } |
1315 | |
1669 | |
1316 | void |
1670 | void |
1317 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1671 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1318 | SV * oldpath |
|
|
1319 | SV * newpath |
|
|
1320 | SV * callback |
|
|
1321 | ALIAS: |
1672 | ALIAS: |
1322 | aio_link = REQ_LINK |
1673 | aio_link = EIO_LINK |
1323 | aio_symlink = REQ_SYMLINK |
1674 | aio_symlink = EIO_SYMLINK |
1324 | aio_rename = REQ_RENAME |
1675 | aio_rename = EIO_RENAME |
1325 | PPCODE: |
1676 | PPCODE: |
1326 | { |
1677 | { |
|
|
1678 | eio_wd wd2 = 0; |
1327 | dREQ; |
1679 | dREQ; |
1328 | |
1680 | |
1329 | req->type = ix; |
1681 | req->type = ix; |
1330 | req->fh = newSVsv (oldpath); |
1682 | req_set_path1 (req, oldpath); |
1331 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1683 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1332 | req->data = newSVsv (newpath); |
1684 | req->int3 = (long)wd2; |
1333 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1334 | |
1685 | |
1335 | REQ_SEND; |
1686 | REQ_SEND; |
1336 | } |
1687 | } |
1337 | |
1688 | |
1338 | void |
1689 | void |
1339 | aio_busy (delay,callback=&PL_sv_undef) |
1690 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
1340 | double delay |
|
|
1341 | SV * callback |
|
|
1342 | PPCODE: |
1691 | PPCODE: |
1343 | { |
1692 | { |
|
|
1693 | eio_wd wd2 = 0; |
1344 | dREQ; |
1694 | dREQ; |
1345 | |
1695 | |
1346 | req->type = REQ_BUSY; |
1696 | req->type = EIO_RENAME; |
1347 | req->fd = delay < 0. ? 0 : delay; |
1697 | req_set_path1 (req, oldpath); |
1348 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1698 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1349 | |
1699 | req->int2 = flags; |
|
|
1700 | req->int3 = (long)wd2; |
|
|
1701 | |
1350 | REQ_SEND; |
1702 | REQ_SEND; |
1351 | } |
1703 | } |
1352 | |
1704 | |
1353 | void |
1705 | void |
|
|
1706 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
|
|
1707 | PPCODE: |
|
|
1708 | { |
|
|
1709 | dREQ; |
|
|
1710 | |
|
|
1711 | req->type = EIO_MKNOD; |
|
|
1712 | req->int2 = (mode_t)mode; |
|
|
1713 | req->offs = dev; |
|
|
1714 | req_set_path1 (req, pathname); |
|
|
1715 | |
|
|
1716 | REQ_SEND; |
|
|
1717 | } |
|
|
1718 | |
|
|
1719 | void |
|
|
1720 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
|
|
1721 | ALIAS: |
|
|
1722 | aio_mtouch = EIO_MTOUCH |
|
|
1723 | aio_msync = EIO_MSYNC |
|
|
1724 | PPCODE: |
|
|
1725 | { |
|
|
1726 | STRLEN svlen; |
|
|
1727 | char *svptr = SvPVbyte (data, svlen); |
|
|
1728 | UV len = SvUV (length); |
|
|
1729 | |
|
|
1730 | if (flags < 0) |
|
|
1731 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1732 | |
|
|
1733 | if (offset < 0) |
|
|
1734 | offset += svlen; |
|
|
1735 | |
|
|
1736 | if (offset < 0 || offset > svlen) |
|
|
1737 | croak ("offset outside of scalar"); |
|
|
1738 | |
|
|
1739 | if (!SvOK (length) || len + offset > svlen) |
|
|
1740 | len = svlen - offset; |
|
|
1741 | |
|
|
1742 | { |
|
|
1743 | dREQ; |
|
|
1744 | |
|
|
1745 | req->type = ix; |
|
|
1746 | req->sv2 = SvREFCNT_inc (data); |
|
|
1747 | req->ptr2 = (char *)svptr + offset; |
|
|
1748 | req->size = len; |
|
|
1749 | req->int1 = flags; |
|
|
1750 | |
|
|
1751 | REQ_SEND; |
|
|
1752 | } |
|
|
1753 | } |
|
|
1754 | |
|
|
1755 | void |
|
|
1756 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1757 | PPCODE: |
|
|
1758 | { |
|
|
1759 | STRLEN svlen; |
|
|
1760 | char *svptr = SvPVbyte (data, svlen); |
|
|
1761 | UV len = SvUV (length); |
|
|
1762 | |
|
|
1763 | if (offset < 0) |
|
|
1764 | offset += svlen; |
|
|
1765 | |
|
|
1766 | if (offset < 0 || offset > svlen) |
|
|
1767 | croak ("offset outside of scalar"); |
|
|
1768 | |
|
|
1769 | if (!SvOK (length) || len + offset > svlen) |
|
|
1770 | len = svlen - offset; |
|
|
1771 | |
|
|
1772 | { |
|
|
1773 | dREQ; |
|
|
1774 | |
|
|
1775 | req->type = EIO_MLOCK; |
|
|
1776 | req->sv2 = SvREFCNT_inc (data); |
|
|
1777 | req->ptr2 = (char *)svptr + offset; |
|
|
1778 | req->size = len; |
|
|
1779 | |
|
|
1780 | REQ_SEND; |
|
|
1781 | } |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | void |
|
|
1785 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1786 | PPCODE: |
|
|
1787 | { |
|
|
1788 | dREQ; |
|
|
1789 | |
|
|
1790 | req->type = EIO_MLOCKALL; |
|
|
1791 | req->int1 = flags; |
|
|
1792 | |
|
|
1793 | REQ_SEND; |
|
|
1794 | } |
|
|
1795 | |
|
|
1796 | void |
|
|
1797 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1798 | PPCODE: |
|
|
1799 | { |
|
|
1800 | int fd = s_fileno_croak (fh, 0); |
|
|
1801 | dREQ; |
|
|
1802 | |
|
|
1803 | req->type = EIO_CUSTOM; |
|
|
1804 | req->sv1 = newSVsv (fh); |
|
|
1805 | req->int1 = fd; |
|
|
1806 | |
|
|
1807 | req->feed = fiemap; |
|
|
1808 | #if HAVE_FIEMAP |
|
|
1809 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1810 | req->offs = start; |
|
|
1811 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1812 | req->int2 = flags; |
|
|
1813 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1814 | #endif |
|
|
1815 | |
|
|
1816 | REQ_SEND; |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | void |
|
|
1820 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
1821 | PPCODE: |
|
|
1822 | { |
|
|
1823 | char *svptr = 0; |
|
|
1824 | |
|
|
1825 | sv_clear_foreign (data); |
|
|
1826 | |
|
|
1827 | if (length) /* known length, directly read into scalar */ |
|
|
1828 | { |
|
|
1829 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1830 | svptr = sv_grow (data, length + 1); |
|
|
1831 | else if (SvCUR (data) < length) |
|
|
1832 | croak ("length outside of scalar, and cannot grow"); |
|
|
1833 | else |
|
|
1834 | svptr = SvPVbyte_nolen (data); |
|
|
1835 | } |
|
|
1836 | |
|
|
1837 | { |
|
|
1838 | dREQ; |
|
|
1839 | |
|
|
1840 | req->type = EIO_SLURP; |
|
|
1841 | req_set_path1 (req, pathname); |
|
|
1842 | req->offs = offset; |
|
|
1843 | req->size = length; |
|
|
1844 | req->sv2 = SvREFCNT_inc (data); |
|
|
1845 | req->ptr2 = svptr; |
|
|
1846 | |
|
|
1847 | if (!SvREADONLY (data)) |
|
|
1848 | { |
|
|
1849 | SvREADONLY_on (data); |
|
|
1850 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1851 | } |
|
|
1852 | |
|
|
1853 | REQ_SEND; |
|
|
1854 | } |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | void |
|
|
1858 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
|
|
1859 | PPCODE: |
|
|
1860 | { |
|
|
1861 | dREQ; |
|
|
1862 | |
|
|
1863 | req->type = EIO_BUSY; |
|
|
1864 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1865 | |
|
|
1866 | REQ_SEND; |
|
|
1867 | } |
|
|
1868 | |
|
|
1869 | void |
1354 | aio_group (callback=&PL_sv_undef) |
1870 | aio_group (SV *callback = &PL_sv_undef) |
1355 | SV * callback |
1871 | PPCODE: |
|
|
1872 | { |
|
|
1873 | dREQ; |
|
|
1874 | |
|
|
1875 | req->type = EIO_GROUP; |
|
|
1876 | |
|
|
1877 | PUTBACK; |
|
|
1878 | req_submit (req); |
|
|
1879 | SPAGAIN; |
|
|
1880 | |
|
|
1881 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1882 | } |
|
|
1883 | |
|
|
1884 | void |
|
|
1885 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
1886 | ALIAS: |
|
|
1887 | aio_nop = EIO_NOP |
|
|
1888 | aio_sync = EIO_SYNC |
|
|
1889 | PPCODE: |
|
|
1890 | { |
|
|
1891 | dREQ; |
|
|
1892 | |
|
|
1893 | req->type = ix; |
|
|
1894 | |
|
|
1895 | REQ_SEND; |
|
|
1896 | } |
|
|
1897 | |
|
|
1898 | int |
|
|
1899 | aioreq_pri (int pri = NO_INIT) |
|
|
1900 | CODE: |
|
|
1901 | RETVAL = next_pri; |
|
|
1902 | if (items > 0) |
|
|
1903 | { |
|
|
1904 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1905 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1906 | next_pri = pri; |
|
|
1907 | } |
|
|
1908 | OUTPUT: |
|
|
1909 | RETVAL |
|
|
1910 | |
|
|
1911 | void |
|
|
1912 | aioreq_nice (int nice = 0) |
|
|
1913 | CODE: |
|
|
1914 | nice = next_pri - nice; |
|
|
1915 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1916 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1917 | next_pri = nice; |
|
|
1918 | |
|
|
1919 | void |
|
|
1920 | flush () |
|
|
1921 | CODE: |
|
|
1922 | while (eio_nreqs ()) |
|
|
1923 | { |
|
|
1924 | poll_wait (); |
|
|
1925 | poll_cb (); |
|
|
1926 | } |
|
|
1927 | |
|
|
1928 | int |
|
|
1929 | poll () |
|
|
1930 | CODE: |
|
|
1931 | poll_wait (); |
|
|
1932 | RETVAL = poll_cb (); |
|
|
1933 | OUTPUT: |
|
|
1934 | RETVAL |
|
|
1935 | |
|
|
1936 | int |
|
|
1937 | poll_fileno () |
|
|
1938 | CODE: |
|
|
1939 | RETVAL = s_epipe_fd (&respipe); |
|
|
1940 | OUTPUT: |
|
|
1941 | RETVAL |
|
|
1942 | |
|
|
1943 | int |
|
|
1944 | poll_cb (...) |
|
|
1945 | PROTOTYPE: |
|
|
1946 | CODE: |
|
|
1947 | RETVAL = poll_cb (); |
|
|
1948 | OUTPUT: |
|
|
1949 | RETVAL |
|
|
1950 | |
|
|
1951 | void |
|
|
1952 | poll_wait () |
|
|
1953 | CODE: |
|
|
1954 | poll_wait (); |
|
|
1955 | |
|
|
1956 | int |
|
|
1957 | nreqs () |
|
|
1958 | CODE: |
|
|
1959 | RETVAL = eio_nreqs (); |
|
|
1960 | OUTPUT: |
|
|
1961 | RETVAL |
|
|
1962 | |
|
|
1963 | int |
|
|
1964 | nready () |
|
|
1965 | CODE: |
|
|
1966 | RETVAL = eio_nready (); |
|
|
1967 | OUTPUT: |
|
|
1968 | RETVAL |
|
|
1969 | |
|
|
1970 | int |
|
|
1971 | npending () |
|
|
1972 | CODE: |
|
|
1973 | RETVAL = eio_npending (); |
|
|
1974 | OUTPUT: |
|
|
1975 | RETVAL |
|
|
1976 | |
|
|
1977 | int |
|
|
1978 | nthreads () |
|
|
1979 | CODE: |
|
|
1980 | RETVAL = eio_nthreads (); |
|
|
1981 | OUTPUT: |
|
|
1982 | RETVAL |
|
|
1983 | |
|
|
1984 | int |
|
|
1985 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1986 | CODE: |
|
|
1987 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1988 | OUTPUT: |
|
|
1989 | RETVAL |
|
|
1990 | |
|
|
1991 | IV |
|
|
1992 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1993 | CODE: |
|
|
1994 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1995 | OUTPUT: |
|
|
1996 | RETVAL |
|
|
1997 | |
|
|
1998 | void |
|
|
1999 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2000 | PPCODE: |
|
|
2001 | sv_clear_foreign (scalar); |
|
|
2002 | { |
|
|
2003 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2004 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2005 | if (addr == (void *)-1) |
|
|
2006 | XSRETURN_NO; |
|
|
2007 | |
|
|
2008 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2009 | |
|
|
2010 | if (!(prot & PROT_WRITE)) |
|
|
2011 | SvREADONLY_on (scalar); |
|
|
2012 | |
|
|
2013 | XSRETURN_YES; |
|
|
2014 | } |
|
|
2015 | |
|
|
2016 | void |
|
|
2017 | munmap (SV *scalar) |
|
|
2018 | CODE: |
|
|
2019 | sv_clear_foreign (scalar); |
|
|
2020 | |
|
|
2021 | int |
|
|
2022 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2023 | ALIAS: |
|
|
2024 | mprotect = 1 |
|
|
2025 | CODE: |
|
|
2026 | { |
|
|
2027 | STRLEN svlen; |
|
|
2028 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2029 | STRLEN len = SvUV (length); |
|
|
2030 | |
|
|
2031 | if (offset < 0) |
|
|
2032 | offset += svlen; |
|
|
2033 | |
|
|
2034 | if (offset < 0 || offset > svlen) |
|
|
2035 | croak ("offset outside of scalar"); |
|
|
2036 | |
|
|
2037 | if (!SvOK (length) || len + offset > svlen) |
|
|
2038 | len = svlen - offset; |
|
|
2039 | |
|
|
2040 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2041 | eio_page_align (&addr, &len); |
|
|
2042 | |
|
|
2043 | switch (ix) |
|
|
2044 | { |
|
|
2045 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2046 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2047 | } |
|
|
2048 | } |
|
|
2049 | OUTPUT: |
|
|
2050 | RETVAL |
|
|
2051 | |
|
|
2052 | int |
|
|
2053 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
2054 | CODE: |
|
|
2055 | { |
|
|
2056 | STRLEN svlen; |
|
|
2057 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2058 | size_t len = SvUV (length); |
|
|
2059 | |
|
|
2060 | if (offset < 0) |
|
|
2061 | offset += svlen; |
|
|
2062 | |
|
|
2063 | if (offset < 0 || offset > svlen) |
|
|
2064 | croak ("offset outside of scalar"); |
|
|
2065 | |
|
|
2066 | if (!SvOK (length) || len + offset > svlen) |
|
|
2067 | len = svlen - offset; |
|
|
2068 | |
|
|
2069 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2070 | eio_page_align (&addr, &len); |
|
|
2071 | #if _POSIX_MEMLOCK_RANGE |
|
|
2072 | RETVAL = munlock (addr, len); |
|
|
2073 | #else |
|
|
2074 | RETVAL = EIO_ENOSYS (); |
|
|
2075 | #endif |
|
|
2076 | } |
|
|
2077 | OUTPUT: |
|
|
2078 | RETVAL |
|
|
2079 | |
|
|
2080 | int |
|
|
2081 | munlockall () |
|
|
2082 | CODE: |
|
|
2083 | #if _POSIX_MEMLOCK |
|
|
2084 | munlockall (); |
|
|
2085 | #else |
|
|
2086 | RETVAL = EIO_ENOSYS (); |
|
|
2087 | #endif |
|
|
2088 | OUTPUT: |
|
|
2089 | RETVAL |
|
|
2090 | |
|
|
2091 | int |
|
|
2092 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2093 | CODE: |
|
|
2094 | { |
|
|
2095 | #if HAVE_LINUX_SPLICE |
|
|
2096 | loff_t off_in_, off_out_; |
|
|
2097 | RETVAL = splice ( |
|
|
2098 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2099 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2100 | length, flags |
|
|
2101 | ); |
|
|
2102 | #else |
|
|
2103 | RETVAL = EIO_ENOSYS (); |
|
|
2104 | #endif |
|
|
2105 | } |
|
|
2106 | OUTPUT: |
|
|
2107 | RETVAL |
|
|
2108 | |
|
|
2109 | int |
|
|
2110 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2111 | CODE: |
|
|
2112 | #if HAVE_LINUX_SPLICE |
|
|
2113 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2114 | #else |
|
|
2115 | RETVAL = EIO_ENOSYS (); |
|
|
2116 | #endif |
|
|
2117 | OUTPUT: |
|
|
2118 | RETVAL |
|
|
2119 | |
|
|
2120 | int |
|
|
2121 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2122 | PROTOTYPE: $;$ |
|
|
2123 | CODE: |
|
|
2124 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2125 | if (new_size >= 0) |
|
|
2126 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2127 | else |
|
|
2128 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2129 | #else |
|
|
2130 | errno = ENOSYS; |
|
|
2131 | RETVAL = -1; |
|
|
2132 | #endif |
|
|
2133 | OUTPUT: |
|
|
2134 | RETVAL |
|
|
2135 | |
|
|
2136 | void |
|
|
2137 | pipe2 (int flags = 0) |
1356 | PROTOTYPE: ;$ |
2138 | PROTOTYPE: ;$ |
1357 | PPCODE: |
2139 | PPCODE: |
1358 | { |
2140 | { |
1359 | dREQ; |
2141 | int fd[2]; |
|
|
2142 | int res; |
1360 | |
2143 | |
1361 | req->type = REQ_GROUP; |
2144 | if (flags) |
1362 | req_send (req); |
2145 | #if HAVE_PIPE2 |
|
|
2146 | res = pipe2 (fd, flags); |
|
|
2147 | #else |
|
|
2148 | res = (errno = ENOSYS, -1); |
|
|
2149 | #endif |
|
|
2150 | else |
|
|
2151 | res = pipe (fd); |
1363 | |
2152 | |
1364 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
2153 | if (!res) |
|
|
2154 | { |
|
|
2155 | EXTEND (SP, 2); |
|
|
2156 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2157 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2158 | } |
1365 | } |
2159 | } |
1366 | |
2160 | |
1367 | void |
2161 | UV |
1368 | aio_nop (callback=&PL_sv_undef) |
2162 | get_fdlimit () |
1369 | SV * callback |
|
|
1370 | PPCODE: |
|
|
1371 | { |
|
|
1372 | dREQ; |
|
|
1373 | |
|
|
1374 | req->type = REQ_NOP; |
|
|
1375 | |
|
|
1376 | REQ_SEND; |
|
|
1377 | } |
|
|
1378 | |
|
|
1379 | void |
|
|
1380 | aioreq_pri (int pri = DEFAULT_PRI) |
|
|
1381 | CODE: |
|
|
1382 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1383 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1384 | next_pri = pri + PRI_BIAS; |
|
|
1385 | |
|
|
1386 | void |
|
|
1387 | aioreq_nice (int nice = 0) |
|
|
1388 | CODE: |
|
|
1389 | nice = next_pri - nice; |
|
|
1390 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1391 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1392 | next_pri = nice + PRI_BIAS; |
|
|
1393 | |
|
|
1394 | void |
|
|
1395 | flush () |
|
|
1396 | PROTOTYPE: |
|
|
1397 | CODE: |
2163 | CODE: |
1398 | while (nreqs) |
2164 | #if HAVE_RLIMITS |
|
|
2165 | struct rlimit rl; |
|
|
2166 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2167 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2168 | #endif |
|
|
2169 | XSRETURN_UNDEF; |
|
|
2170 | OUTPUT: |
|
|
2171 | RETVAL |
|
|
2172 | |
|
|
2173 | void |
|
|
2174 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2175 | CODE: |
|
|
2176 | { |
|
|
2177 | #if HAVE_RLIMITS |
|
|
2178 | struct rlimit rl; |
|
|
2179 | rlim_t orig_rlim_max; |
|
|
2180 | UV bit; |
|
|
2181 | |
|
|
2182 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2183 | goto fail; |
|
|
2184 | |
|
|
2185 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2186 | XSRETURN_YES; |
|
|
2187 | |
|
|
2188 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2189 | |
|
|
2190 | if (rl.rlim_cur < limit) |
1399 | { |
2191 | { |
1400 | poll_wait (); |
2192 | rl.rlim_cur = limit; |
1401 | poll_cb (0); |
2193 | |
|
|
2194 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2195 | rl.rlim_max = rl.rlim_cur; |
1402 | } |
2196 | } |
1403 | |
2197 | |
1404 | void |
2198 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
1405 | poll() |
2199 | XSRETURN_YES; |
1406 | PROTOTYPE: |
2200 | |
|
|
2201 | if (errno == EPERM) |
|
|
2202 | { |
|
|
2203 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2204 | /* our limit overflows a system-wide limit */ |
|
|
2205 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2206 | rl.rlim_max = 0; |
|
|
2207 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2208 | { |
|
|
2209 | rl.rlim_max |= bit; |
|
|
2210 | rl.rlim_cur = rl.rlim_max; |
|
|
2211 | |
|
|
2212 | /* nevr decrease the hard limit */ |
|
|
2213 | if (rl.rlim_max < orig_rlim_max) |
|
|
2214 | break; |
|
|
2215 | |
|
|
2216 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2217 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2218 | } |
|
|
2219 | |
|
|
2220 | /* now, raise the soft limit to the max permitted */ |
|
|
2221 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2222 | { |
|
|
2223 | rl.rlim_cur = rl.rlim_max; |
|
|
2224 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2225 | errno = EPERM; |
|
|
2226 | } |
|
|
2227 | } |
|
|
2228 | #endif |
|
|
2229 | fail: |
|
|
2230 | XSRETURN_UNDEF; |
|
|
2231 | } |
|
|
2232 | |
|
|
2233 | void _on_next_submit (SV *cb) |
1407 | CODE: |
2234 | CODE: |
1408 | if (nreqs) |
2235 | SvREFCNT_dec (on_next_submit); |
1409 | { |
2236 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1410 | poll_wait (); |
|
|
1411 | poll_cb (0); |
|
|
1412 | } |
|
|
1413 | |
2237 | |
1414 | int |
2238 | PROTOTYPES: DISABLE |
1415 | poll_fileno() |
2239 | |
1416 | PROTOTYPE: |
2240 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2241 | |
|
|
2242 | BOOT: |
|
|
2243 | { |
|
|
2244 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2245 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2246 | } |
|
|
2247 | |
|
|
2248 | void |
|
|
2249 | DESTROY (SV *self) |
1417 | CODE: |
2250 | CODE: |
1418 | RETVAL = respipe [0]; |
2251 | { |
1419 | OUTPUT: |
2252 | aio_wd wd = SvAIO_WD (self); |
1420 | RETVAL |
2253 | #if HAVE_AT |
1421 | |
2254 | { |
1422 | int |
2255 | SV *callback = &PL_sv_undef; |
1423 | poll_cb(...) |
2256 | dREQ; /* clobbers next_pri :/ */ |
1424 | PROTOTYPE: |
2257 | next_pri = req->pri; /* restore next_pri */ |
1425 | CODE: |
2258 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
1426 | RETVAL = poll_cb (0); |
2259 | req->type = EIO_WD_CLOSE; |
1427 | OUTPUT: |
2260 | req->wd = wd; |
1428 | RETVAL |
2261 | REQ_SEND; |
1429 | |
2262 | } |
1430 | int |
2263 | #else |
1431 | poll_some(int max = 0) |
2264 | eio_wd_close_sync (wd); |
1432 | PROTOTYPE: $ |
2265 | #endif |
1433 | CODE: |
2266 | } |
1434 | RETVAL = poll_cb (max); |
|
|
1435 | OUTPUT: |
|
|
1436 | RETVAL |
|
|
1437 | |
|
|
1438 | void |
|
|
1439 | poll_wait() |
|
|
1440 | PROTOTYPE: |
|
|
1441 | CODE: |
|
|
1442 | if (nreqs) |
|
|
1443 | poll_wait (); |
|
|
1444 | |
|
|
1445 | int |
|
|
1446 | nreqs() |
|
|
1447 | PROTOTYPE: |
|
|
1448 | CODE: |
|
|
1449 | RETVAL = nreqs; |
|
|
1450 | OUTPUT: |
|
|
1451 | RETVAL |
|
|
1452 | |
|
|
1453 | PROTOTYPES: DISABLE |
|
|
1454 | |
2267 | |
1455 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2268 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1456 | |
2269 | |
1457 | void |
2270 | void |
1458 | cancel (aio_req_ornot req) |
2271 | cancel (aio_req_ornot req) |
1459 | CODE: |
2272 | CODE: |
1460 | req_cancel (req); |
2273 | eio_cancel (req); |
1461 | |
2274 | |
1462 | void |
2275 | void |
1463 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2276 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1464 | CODE: |
2277 | PPCODE: |
|
|
2278 | { |
|
|
2279 | if (GIMME_V != G_VOID) |
|
|
2280 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2281 | |
|
|
2282 | if (items > 1) |
|
|
2283 | { |
|
|
2284 | SV *cb_cv = get_cb (callback); |
|
|
2285 | |
1465 | SvREFCNT_dec (req->callback); |
2286 | SvREFCNT_dec (req->callback); |
1466 | req->callback = newSVsv (callback); |
2287 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2288 | } |
|
|
2289 | } |
1467 | |
2290 | |
1468 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2291 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1469 | |
2292 | |
1470 | void |
2293 | void |
1471 | add (aio_req grp, ...) |
2294 | add (aio_req grp, ...) |
1472 | PPCODE: |
2295 | PPCODE: |
1473 | { |
2296 | { |
1474 | int i; |
2297 | int i; |
1475 | aio_req req; |
|
|
1476 | |
2298 | |
1477 | if (grp->fd == 2) |
2299 | if (grp->int1 == 2) |
1478 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2300 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1479 | |
2301 | |
1480 | for (i = 1; i < items; ++i ) |
2302 | for (i = 1; i < items; ++i ) |
1481 | { |
2303 | { |
|
|
2304 | aio_req req; |
|
|
2305 | |
1482 | if (GIMME_V != G_VOID) |
2306 | if (GIMME_V != G_VOID) |
1483 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2307 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1484 | |
2308 | |
1485 | req = SvAIO_REQ (ST (i)); |
2309 | req = SvAIO_REQ (ST (i)); |
1486 | |
2310 | |
1487 | if (req) |
2311 | if (req) |
1488 | { |
2312 | eio_grp_add (grp, req); |
1489 | ++grp->length; |
|
|
1490 | req->grp = grp; |
|
|
1491 | |
|
|
1492 | req->grp_prev = 0; |
|
|
1493 | req->grp_next = grp->grp_first; |
|
|
1494 | |
|
|
1495 | if (grp->grp_first) |
|
|
1496 | grp->grp_first->grp_prev = req; |
|
|
1497 | |
|
|
1498 | grp->grp_first = req; |
|
|
1499 | } |
|
|
1500 | } |
2313 | } |
1501 | } |
2314 | } |
1502 | |
2315 | |
1503 | void |
2316 | void |
1504 | cancel_subs (aio_req_ornot req) |
2317 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1508 | void |
2321 | void |
1509 | result (aio_req grp, ...) |
2322 | result (aio_req grp, ...) |
1510 | CODE: |
2323 | CODE: |
1511 | { |
2324 | { |
1512 | int i; |
2325 | int i; |
|
|
2326 | AV *av; |
|
|
2327 | |
|
|
2328 | grp->errorno = errno; |
|
|
2329 | |
1513 | AV *av = newAV (); |
2330 | av = newAV (); |
|
|
2331 | av_extend (av, items - 1); |
1514 | |
2332 | |
1515 | for (i = 1; i < items; ++i ) |
2333 | for (i = 1; i < items; ++i ) |
1516 | av_push (av, newSVsv (ST (i))); |
2334 | av_push (av, newSVsv (ST (i))); |
1517 | |
2335 | |
1518 | SvREFCNT_dec (grp->data); |
2336 | SvREFCNT_dec (grp->sv1); |
1519 | grp->data = (SV *)av; |
2337 | grp->sv1 = (SV *)av; |
1520 | } |
2338 | } |
|
|
2339 | |
|
|
2340 | void |
|
|
2341 | errno (aio_req grp, int errorno = errno) |
|
|
2342 | CODE: |
|
|
2343 | grp->errorno = errorno; |
1521 | |
2344 | |
1522 | void |
2345 | void |
1523 | limit (aio_req grp, int limit) |
2346 | limit (aio_req grp, int limit) |
1524 | CODE: |
2347 | CODE: |
1525 | grp->fd2 = limit; |
2348 | eio_grp_limit (grp, limit); |
1526 | aio_grp_feed (grp); |
|
|
1527 | |
2349 | |
1528 | void |
2350 | void |
1529 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2351 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1530 | CODE: |
2352 | CODE: |
1531 | { |
2353 | { |
1532 | SvREFCNT_dec (grp->fh2); |
2354 | SvREFCNT_dec (grp->sv2); |
1533 | grp->fh2 = newSVsv (callback); |
2355 | grp->sv2 = newSVsv (callback); |
|
|
2356 | grp->feed = aio_grp_feed; |
1534 | |
2357 | |
1535 | if (grp->fd2 <= 0) |
2358 | if (grp->int2 <= 0) |
1536 | grp->fd2 = 2; |
2359 | grp->int2 = 2; |
1537 | |
2360 | |
1538 | aio_grp_feed (grp); |
2361 | eio_grp_limit (grp, grp->int2); |
1539 | } |
2362 | } |
1540 | |
2363 | |