1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
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8 | |
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9 | #include "schmorp.h" |
8 | |
10 | |
9 | #include <stddef.h> |
11 | #include <stddef.h> |
10 | #include <stdlib.h> |
12 | #include <stdlib.h> |
11 | #include <errno.h> |
13 | #include <errno.h> |
12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
14 | #include <limits.h> |
16 | #include <limits.h> |
15 | #include <fcntl.h> |
17 | #include <fcntl.h> |
16 | #include <sched.h> |
18 | #include <sched.h> |
17 | |
19 | |
18 | #ifdef _WIN32 |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
19 | |
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20 | # define SIGIO 0 |
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21 | typedef Direntry_t X_DIRENT; |
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22 | #undef malloc |
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23 | #undef free |
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24 | |
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25 | // perl overrides all those nice win32 functions |
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26 | # undef open |
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27 | # undef read |
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28 | # undef write |
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29 | # undef send |
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30 | # undef recv |
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31 | # undef stat |
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32 | # undef fstat |
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33 | # define lstat stat |
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34 | # undef truncate |
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35 | # undef ftruncate |
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36 | # undef open |
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37 | # undef close |
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38 | # undef unlink |
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39 | # undef rmdir |
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40 | # undef rename |
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41 | # undef lseek |
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42 | |
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43 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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44 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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45 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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46 | # define symlink(a,b) (errno = ENOSYS, -1) |
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47 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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48 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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49 | # define truncate(a,b) (errno = ENOSYS, -1) |
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50 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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51 | # define fsync(fd) _commit (fd) |
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52 | # define opendir(fd) (errno = ENOSYS, 0) |
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53 | # define readdir(fd) (errno = ENOSYS, -1) |
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54 | # define closedir(fd) (errno = ENOSYS, -1) |
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55 | # define mkdir(a,b) mkdir (a) |
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56 | |
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57 | #else |
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58 | |
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59 | # include "autoconf/config.h" |
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60 | # include <sys/time.h> |
21 | # include <sys/mman.h> |
61 | # include <sys/select.h> |
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62 | # include <unistd.h> |
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63 | # include <utime.h> |
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64 | # include <signal.h> |
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65 | typedef struct dirent X_DIRENT; |
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66 | |
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67 | #endif |
22 | #endif |
68 | |
23 | |
69 | #if HAVE_SENDFILE |
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70 | # if __linux |
24 | #if __linux__ |
71 | # include <sys/sendfile.h> |
25 | # include <linux/fs.h> |
72 | # elif __freebsd |
26 | # ifdef FS_IOC_FIEMAP |
73 | # include <sys/socket.h> |
27 | # include <linux/fiemap.h> |
74 | # include <sys/uio.h> |
28 | # define HAVE_FIEMAP 1 |
75 | # elif __hpux |
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76 | # include <sys/socket.h> |
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77 | # elif __solaris /* not yet */ |
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78 | # include <sys/sendfile.h> |
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79 | # else |
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80 | # error sendfile support requested but not available |
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81 | # endif |
29 | # endif |
82 | #endif |
30 | #endif |
83 | |
31 | |
84 | /* number of seconds after which idle threads exit */ |
32 | /* perl namespace pollution */ |
85 | #define IDLE_TIMEOUT 10 |
33 | #undef VERSION |
86 | |
34 | |
87 | /* used for struct dirent, AIX doesn't provide it */ |
35 | /* perl stupidly overrides readdir and maybe others */ |
88 | #ifndef NAME_MAX |
36 | /* with thread-unsafe versions, imagine that :( */ |
89 | # define NAME_MAX 4096 |
37 | #undef readdir |
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38 | #undef opendir |
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39 | #undef closedir |
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40 | |
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41 | #ifdef _WIN32 |
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42 | |
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43 | // perl overrides all those nice libc functions |
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44 | |
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45 | #undef malloc |
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46 | #undef free |
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47 | #undef open |
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48 | #undef read |
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49 | #undef write |
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50 | #undef send |
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51 | #undef recv |
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52 | #undef stat |
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53 | #undef lstat |
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54 | #undef fstat |
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55 | #undef truncate |
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56 | #undef ftruncate |
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57 | #undef open |
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58 | #undef link |
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59 | #undef close |
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60 | #undef unlink |
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61 | #undef mkdir |
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62 | #undef rmdir |
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63 | #undef rename |
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64 | #undef lseek |
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65 | #undef opendir |
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66 | #undef readdir |
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67 | #undef closedir |
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68 | #undef chmod |
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69 | #undef fchmod |
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70 | #undef dup |
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71 | #undef dup2 |
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72 | #undef abort |
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73 | #undef pipe |
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74 | |
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75 | #define EIO_STRUCT_STAT struct _stati64 |
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76 | #define EIO_STRUCT_STATI64 |
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77 | |
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78 | #else |
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79 | |
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80 | #include <sys/time.h> |
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81 | #include <sys/select.h> |
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82 | #include <unistd.h> |
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83 | #include <utime.h> |
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84 | #include <signal.h> |
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85 | |
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86 | #define EIO_STRUCT_STAT Stat_t |
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87 | |
90 | #endif |
88 | #endif |
91 | |
89 | |
92 | /* buffer size for various temporary buffers */ |
90 | /*****************************************************************************/ |
93 | #define AIO_BUFSIZE 65536 |
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94 | |
91 | |
95 | /* use NV for 32 bit perls as it allows larger offsets */ |
92 | #if __GNUC__ >= 3 |
96 | #if IVSIZE >= 8 |
93 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
97 | # define SvVAL64 SvIV |
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98 | #else |
94 | #else |
99 | # define SvVAL64 SvNV |
95 | # define expect(expr,value) (expr) |
100 | #endif |
96 | #endif |
101 | |
97 | |
102 | #define dBUF \ |
98 | #define expect_false(expr) expect ((expr) != 0, 0) |
103 | char *aio_buf; \ |
99 | #define expect_true(expr) expect ((expr) != 0, 1) |
104 | X_LOCK (wrklock); \ |
100 | |
105 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
101 | /*****************************************************************************/ |
106 | X_UNLOCK (wrklock); \ |
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107 | if (!aio_buf) \ |
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108 | return -1; |
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109 | |
102 | |
110 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
103 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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104 | typedef int aio_rfd; /* read file desriptor */ |
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105 | typedef int aio_wfd; /* write file descriptor */ |
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106 | |
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107 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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108 | |
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109 | #define EIO_REQ_MEMBERS \ |
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110 | SV *callback; \ |
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111 | SV *sv1, *sv2; \ |
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112 | SV *sv3, *sv4; \ |
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113 | STRLEN stroffset; \ |
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114 | SV *self; |
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115 | |
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116 | #define EIO_NO_WRAPPERS 1 |
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117 | |
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118 | #include "libeio/config.h" |
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119 | #include "libeio/eio.h" |
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120 | |
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121 | static int req_invoke (eio_req *req); |
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122 | #define EIO_FINISH(req) req_invoke (req) |
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123 | static void req_destroy (eio_req *grp); |
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124 | #define EIO_DESTROY(req) req_destroy (req) |
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125 | |
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126 | #include "libeio/eio.c" |
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127 | |
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128 | #if !HAVE_POSIX_FADVISE |
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129 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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130 | #endif |
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131 | |
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132 | #if !HAVE_POSIX_MADVISE |
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133 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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134 | #endif |
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135 | |
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136 | #ifndef MAP_ANONYMOUS |
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137 | # ifdef MAP_ANON |
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138 | # define MAP_ANONYMOUS MAP_ANON |
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139 | # else |
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140 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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141 | # endif |
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142 | #endif |
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143 | |
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144 | /* defines all sorts of constants to 0 unless they are already defined */ |
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145 | #include "def0.h" |
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146 | |
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147 | #ifndef makedev |
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148 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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149 | #endif |
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150 | #ifndef major |
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151 | # define major(dev) ((dev) >> 8) |
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152 | #endif |
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153 | #ifndef minor |
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154 | # define minor(dev) ((dev) & 0xff) |
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155 | #endif |
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156 | |
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157 | #ifndef PAGESIZE |
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158 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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159 | #endif |
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160 | |
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161 | /*****************************************************************************/ |
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162 | |
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163 | static void |
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164 | fiemap (eio_req *req) |
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165 | { |
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166 | req->result = -1; |
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167 | |
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168 | #if HAVE_FIEMAP |
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169 | for (;;) |
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170 | { |
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171 | int count = req->int3; |
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172 | |
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173 | if (count < 0) |
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174 | { |
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175 | struct fiemap fiemap; |
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176 | |
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177 | fiemap.fm_start = req->offs; |
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178 | fiemap.fm_length = req->size; |
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179 | fiemap.fm_flags = req->int2; |
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180 | fiemap.fm_extent_count = 0; |
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181 | |
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182 | if (ioctl (req->int1, FS_IOC_FIEMAP, &fiemap)) |
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183 | return; |
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184 | |
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185 | count = fiemap.fm_mapped_extents; |
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186 | } |
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187 | |
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188 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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189 | errno = ENOMEM; |
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190 | if (!fiemap) |
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191 | return; |
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192 | |
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193 | req->ptr1 = fiemap; |
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194 | req->flags |= EIO_FLAG_PTR1_FREE; |
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195 | |
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196 | fiemap->fm_start = req->offs; |
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197 | fiemap->fm_length = req->size; |
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198 | fiemap->fm_flags = req->int2; |
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199 | fiemap->fm_extent_count = count; |
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200 | |
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201 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
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202 | return; |
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203 | |
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204 | if (req->int3 >= 0) |
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205 | break; /* when not autosizing we are done */ |
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206 | |
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207 | if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) |
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208 | break; /* autosizing successful, we are done */ |
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209 | |
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210 | free (fiemap); |
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211 | } |
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212 | |
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213 | req->result = 0; |
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214 | |
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215 | #else |
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216 | errno = ENOSYS; |
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217 | #endif |
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218 | } |
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219 | |
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220 | /*****************************************************************************/ |
111 | |
221 | |
112 | enum { |
222 | enum { |
113 | REQ_QUIT, |
223 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
114 | REQ_OPEN, REQ_CLOSE, |
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115 | REQ_READ, REQ_WRITE, |
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116 | REQ_READAHEAD, REQ_SENDFILE, |
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117 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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118 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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119 | REQ_UTIME, REQ_FUTIME, |
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120 | REQ_CHMOD, REQ_FCHMOD, |
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121 | REQ_CHOWN, REQ_FCHOWN, |
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122 | REQ_FSYNC, REQ_FDATASYNC, |
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123 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
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124 | REQ_MKNOD, REQ_READDIR, |
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125 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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126 | REQ_GROUP, REQ_NOP, |
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127 | REQ_BUSY, |
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128 | }; |
224 | }; |
129 | |
225 | |
130 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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131 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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132 | |
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133 | typedef struct aio_cb |
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134 | { |
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135 | struct aio_cb *volatile next; |
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136 | |
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137 | SV *callback; |
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138 | SV *sv1, *sv2; |
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139 | void *ptr1, *ptr2; |
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140 | off_t offs; |
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141 | size_t size; |
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142 | ssize_t result; |
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143 | double nv1, nv2; |
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144 | |
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145 | STRLEN stroffset; |
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146 | int type; |
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147 | int int1, int2, int3; |
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148 | int errorno; |
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149 | mode_t mode; /* open */ |
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150 | |
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151 | unsigned char flags; |
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152 | unsigned char pri; |
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153 | |
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154 | SV *self; /* the perl counterpart of this request, if any */ |
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155 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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156 | } aio_cb; |
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157 | |
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158 | enum { |
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159 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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160 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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161 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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162 | }; |
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163 | |
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164 | typedef aio_cb *aio_req; |
226 | typedef eio_req *aio_req; |
165 | typedef aio_cb *aio_req_ornot; |
227 | typedef eio_req *aio_req_ornot; |
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228 | typedef eio_wd aio_wd; |
166 | |
229 | |
167 | enum { |
230 | static SV *on_next_submit; |
168 | PRI_MIN = -4, |
231 | static int next_pri = EIO_PRI_DEFAULT; |
169 | PRI_MAX = 4, |
232 | static int max_outstanding; |
170 | |
233 | |
171 | DEFAULT_PRI = 0, |
234 | static s_epipe respipe; |
172 | PRI_BIAS = -PRI_MIN, |
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173 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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174 | }; |
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175 | |
235 | |
176 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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177 | |
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178 | static unsigned int max_poll_time = 0; |
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179 | static unsigned int max_poll_reqs = 0; |
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180 | |
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181 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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182 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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183 | { |
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184 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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185 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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186 | } |
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187 | |
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188 | static thread_t main_tid; |
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189 | static int main_sig; |
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190 | static int block_sig_level; |
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191 | |
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192 | void block_sig () |
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193 | { |
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194 | sigset_t ss; |
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195 | |
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196 | if (block_sig_level++) |
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197 | return; |
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198 | |
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199 | if (!main_sig) |
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200 | return; |
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201 | |
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202 | sigemptyset (&ss); |
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203 | sigaddset (&ss, main_sig); |
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204 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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205 | } |
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206 | |
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207 | void unblock_sig () |
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208 | { |
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209 | sigset_t ss; |
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210 | |
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211 | if (--block_sig_level) |
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212 | return; |
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213 | |
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214 | if (!main_sig) |
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215 | return; |
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216 | |
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217 | sigemptyset (&ss); |
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218 | sigaddset (&ss, main_sig); |
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219 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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220 | } |
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221 | |
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222 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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223 | |
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224 | static unsigned int started, idle, wanted; |
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225 | |
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226 | /* worker threads management */ |
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227 | static mutex_t wrklock = X_MUTEX_INIT; |
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228 | |
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229 | typedef struct worker { |
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230 | /* locked by wrklock */ |
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231 | struct worker *prev, *next; |
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232 | |
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233 | thread_t tid; |
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234 | |
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235 | /* locked by reslock, reqlock or wrklock */ |
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236 | aio_req req; /* currently processed request */ |
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237 | void *dbuf; |
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238 | DIR *dirp; |
|
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239 | } worker; |
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240 | |
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241 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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242 | |
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243 | static void worker_clear (worker *wrk) |
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244 | { |
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245 | if (wrk->dirp) |
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246 | { |
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247 | closedir (wrk->dirp); |
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248 | wrk->dirp = 0; |
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249 | } |
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250 | |
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251 | if (wrk->dbuf) |
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252 | { |
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253 | free (wrk->dbuf); |
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254 | wrk->dbuf = 0; |
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255 | } |
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256 | } |
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257 | |
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258 | static void worker_free (worker *wrk) |
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259 | { |
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260 | wrk->next->prev = wrk->prev; |
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261 | wrk->prev->next = wrk->next; |
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262 | |
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263 | free (wrk); |
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264 | } |
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265 | |
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266 | static volatile unsigned int nreqs, nready, npending; |
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267 | static volatile unsigned int max_idle = 4; |
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268 | static volatile unsigned int max_outstanding = 0xffffffff; |
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269 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
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270 | |
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271 | static mutex_t reslock = X_MUTEX_INIT; |
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272 | static mutex_t reqlock = X_MUTEX_INIT; |
|
|
273 | static cond_t reqwait = X_COND_INIT; |
|
|
274 | |
|
|
275 | #if WORDACCESS_UNSAFE |
|
|
276 | |
|
|
277 | static unsigned int get_nready () |
|
|
278 | { |
|
|
279 | unsigned int retval; |
|
|
280 | |
|
|
281 | X_LOCK (reqlock); |
|
|
282 | retval = nready; |
|
|
283 | X_UNLOCK (reqlock); |
|
|
284 | |
|
|
285 | return retval; |
|
|
286 | } |
|
|
287 | |
|
|
288 | static unsigned int get_npending () |
|
|
289 | { |
|
|
290 | unsigned int retval; |
|
|
291 | |
|
|
292 | X_LOCK (reslock); |
|
|
293 | retval = npending; |
|
|
294 | X_UNLOCK (reslock); |
|
|
295 | |
|
|
296 | return retval; |
|
|
297 | } |
|
|
298 | |
|
|
299 | static unsigned int get_nthreads () |
|
|
300 | { |
|
|
301 | unsigned int retval; |
|
|
302 | |
|
|
303 | X_LOCK (wrklock); |
|
|
304 | retval = started; |
|
|
305 | X_UNLOCK (wrklock); |
|
|
306 | |
|
|
307 | return retval; |
|
|
308 | } |
|
|
309 | |
|
|
310 | #else |
|
|
311 | |
|
|
312 | # define get_nready() nready |
|
|
313 | # define get_npending() npending |
|
|
314 | # define get_nthreads() started |
|
|
315 | |
|
|
316 | #endif |
|
|
317 | |
|
|
318 | /* |
|
|
319 | * a somewhat faster data structure might be nice, but |
|
|
320 | * with 8 priorities this actually needs <20 insns |
|
|
321 | * per shift, the most expensive operation. |
|
|
322 | */ |
|
|
323 | typedef struct { |
|
|
324 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
325 | int size; |
|
|
326 | } reqq; |
|
|
327 | |
|
|
328 | static reqq req_queue; |
|
|
329 | static reqq res_queue; |
|
|
330 | |
|
|
331 | int reqq_push (reqq *q, aio_req req) |
|
|
332 | { |
|
|
333 | int pri = req->pri; |
|
|
334 | req->next = 0; |
|
|
335 | |
|
|
336 | if (q->qe[pri]) |
|
|
337 | { |
|
|
338 | q->qe[pri]->next = req; |
|
|
339 | q->qe[pri] = req; |
|
|
340 | } |
|
|
341 | else |
|
|
342 | q->qe[pri] = q->qs[pri] = req; |
|
|
343 | |
|
|
344 | return q->size++; |
|
|
345 | } |
|
|
346 | |
|
|
347 | aio_req reqq_shift (reqq *q) |
|
|
348 | { |
|
|
349 | int pri; |
|
|
350 | |
|
|
351 | if (!q->size) |
|
|
352 | return 0; |
|
|
353 | |
|
|
354 | --q->size; |
|
|
355 | |
|
|
356 | for (pri = NUM_PRI; pri--; ) |
|
|
357 | { |
|
|
358 | aio_req req = q->qs[pri]; |
|
|
359 | |
|
|
360 | if (req) |
|
|
361 | { |
|
|
362 | if (!(q->qs[pri] = req->next)) |
|
|
363 | q->qe[pri] = 0; |
|
|
364 | |
|
|
365 | return req; |
|
|
366 | } |
|
|
367 | } |
|
|
368 | |
|
|
369 | abort (); |
|
|
370 | } |
|
|
371 | |
|
|
372 | static int poll_cb (); |
|
|
373 | static int req_invoke (aio_req req); |
|
|
374 | static void req_destroy (aio_req req); |
236 | static void req_destroy (aio_req req); |
375 | static void req_cancel (aio_req req); |
237 | static void req_cancel (aio_req req); |
376 | |
238 | |
|
|
239 | static void |
|
|
240 | want_poll (void) |
|
|
241 | { |
|
|
242 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
243 | s_epipe_signal (&respipe); |
|
|
244 | } |
|
|
245 | |
|
|
246 | static void |
|
|
247 | done_poll (void) |
|
|
248 | { |
|
|
249 | /* read any signals sent by the worker threads */ |
|
|
250 | s_epipe_drain (&respipe); |
|
|
251 | } |
|
|
252 | |
377 | /* must be called at most once */ |
253 | /* must be called at most once */ |
378 | static SV *req_sv (aio_req req, const char *klass) |
254 | static SV * |
|
|
255 | req_sv (aio_req req, HV *stash) |
379 | { |
256 | { |
380 | if (!req->self) |
257 | if (!req->self) |
381 | { |
258 | { |
382 | req->self = (SV *)newHV (); |
259 | req->self = (SV *)newHV (); |
383 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
260 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
384 | } |
261 | } |
385 | |
262 | |
386 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
263 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
387 | } |
264 | } |
388 | |
265 | |
389 | static aio_req SvAIO_REQ (SV *sv) |
266 | static SV * |
|
|
267 | newSVaio_wd (aio_wd wd) |
|
|
268 | { |
|
|
269 | return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
|
|
270 | } |
|
|
271 | |
|
|
272 | static aio_req |
|
|
273 | SvAIO_REQ (SV *sv) |
390 | { |
274 | { |
391 | MAGIC *mg; |
275 | MAGIC *mg; |
392 | |
276 | |
393 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
277 | if (!SvROK (sv) |
|
|
278 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
279 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
280 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
281 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
394 | croak ("object of class " AIO_REQ_KLASS " expected"); |
282 | croak ("object of class IO::AIO::REQ expected"); |
395 | |
283 | |
396 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
284 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
397 | |
285 | |
398 | return mg ? (aio_req)mg->mg_ptr : 0; |
286 | return mg ? (aio_req)mg->mg_ptr : 0; |
399 | } |
287 | } |
400 | |
288 | |
|
|
289 | static aio_wd |
|
|
290 | SvAIO_WD (SV *sv) |
|
|
291 | { |
|
|
292 | if (!SvROK (sv) |
|
|
293 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
294 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
295 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
296 | |
|
|
297 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
298 | } |
|
|
299 | |
|
|
300 | static void |
401 | static void aio_grp_feed (aio_req grp) |
301 | aio_grp_feed (aio_req grp) |
402 | { |
302 | { |
403 | block_sig (); |
303 | if (grp->sv2 && SvOK (grp->sv2)) |
404 | |
|
|
405 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
406 | { |
304 | { |
407 | int old_len = grp->size; |
|
|
408 | |
|
|
409 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
410 | { |
|
|
411 | dSP; |
305 | dSP; |
412 | |
306 | |
413 | ENTER; |
307 | ENTER; |
414 | SAVETMPS; |
308 | SAVETMPS; |
415 | PUSHMARK (SP); |
309 | PUSHMARK (SP); |
416 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
310 | XPUSHs (req_sv (grp, aio_grp_stash)); |
417 | PUTBACK; |
311 | PUTBACK; |
418 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
312 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
419 | SPAGAIN; |
313 | SPAGAIN; |
420 | FREETMPS; |
314 | FREETMPS; |
421 | LEAVE; |
315 | LEAVE; |
422 | } |
|
|
423 | |
|
|
424 | /* stop if no progress has been made */ |
|
|
425 | if (old_len == grp->size) |
|
|
426 | { |
|
|
427 | SvREFCNT_dec (grp->sv2); |
|
|
428 | grp->sv2 = 0; |
|
|
429 | break; |
|
|
430 | } |
|
|
431 | } |
316 | } |
432 | |
|
|
433 | unblock_sig (); |
|
|
434 | } |
317 | } |
435 | |
318 | |
436 | static void aio_grp_dec (aio_req grp) |
319 | static void |
|
|
320 | req_submit (eio_req *req) |
437 | { |
321 | { |
438 | --grp->size; |
322 | eio_submit (req); |
439 | |
323 | |
440 | /* call feeder, if applicable */ |
324 | if (expect_false (on_next_submit)) |
441 | aio_grp_feed (grp); |
|
|
442 | |
|
|
443 | /* finish, if done */ |
|
|
444 | if (!grp->size && grp->int1) |
|
|
445 | { |
325 | { |
446 | block_sig (); |
326 | dSP; |
|
|
327 | SV *cb = sv_2mortal (on_next_submit); |
447 | |
328 | |
448 | if (!req_invoke (grp)) |
329 | on_next_submit = 0; |
449 | { |
|
|
450 | req_destroy (grp); |
|
|
451 | unblock_sig (); |
|
|
452 | croak (0); |
|
|
453 | } |
|
|
454 | |
330 | |
455 | req_destroy (grp); |
331 | PUSHMARK (SP); |
456 | unblock_sig (); |
332 | PUTBACK; |
|
|
333 | call_sv (cb, G_DISCARD | G_EVAL); |
457 | } |
334 | } |
458 | } |
335 | } |
459 | |
336 | |
|
|
337 | static int |
460 | static int req_invoke (aio_req req) |
338 | req_invoke (eio_req *req) |
461 | { |
339 | { |
462 | dSP; |
|
|
463 | |
|
|
464 | if (req->flags & FLAG_SV2_RO_OFF) |
340 | if (req->flags & FLAG_SV2_RO_OFF) |
465 | SvREADONLY_off (req->sv2); |
341 | SvREADONLY_off (req->sv2); |
466 | |
342 | |
467 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
343 | if (!EIO_CANCELLED (req) && req->callback) |
468 | { |
344 | { |
|
|
345 | dSP; |
|
|
346 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
347 | SV *sv_result; |
|
|
348 | |
469 | ENTER; |
349 | ENTER; |
470 | SAVETMPS; |
350 | SAVETMPS; |
471 | PUSHMARK (SP); |
351 | PUSHMARK (SP); |
472 | EXTEND (SP, 1); |
352 | EXTEND (SP, 1); |
473 | |
353 | |
|
|
354 | /* do not recreate the result IV from scratch each time */ |
|
|
355 | if (expect_true (sv_result_cache)) |
|
|
356 | { |
|
|
357 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
358 | SvIV_set (sv_result, req->result); |
|
|
359 | SvIOK_only (sv_result); |
|
|
360 | } |
|
|
361 | else |
|
|
362 | { |
|
|
363 | sv_result = newSViv (req->result); |
|
|
364 | SvREADONLY_on (sv_result); |
|
|
365 | } |
|
|
366 | |
474 | switch (req->type) |
367 | switch (req->type) |
475 | { |
368 | { |
|
|
369 | case EIO_WD_OPEN: |
|
|
370 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
371 | break; |
|
|
372 | |
476 | case REQ_READDIR: |
373 | case EIO_READDIR: |
477 | { |
374 | { |
478 | SV *rv = &PL_sv_undef; |
375 | SV *rv = &PL_sv_undef; |
479 | |
376 | |
480 | if (req->result >= 0) |
377 | if (req->result >= 0) |
481 | { |
378 | { |
482 | int i; |
379 | int i; |
483 | char *buf = req->ptr2; |
380 | char *names = (char *)req->ptr2; |
|
|
381 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
484 | AV *av = newAV (); |
382 | AV *av = newAV (); |
485 | |
383 | |
486 | av_extend (av, req->result - 1); |
384 | av_extend (av, req->result - 1); |
487 | |
385 | |
488 | for (i = 0; i < req->result; ++i) |
386 | for (i = 0; i < req->result; ++i) |
489 | { |
387 | { |
490 | SV *sv = newSVpv (buf, 0); |
388 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
389 | { |
|
|
390 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
491 | |
391 | |
|
|
392 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
393 | { |
|
|
394 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
395 | AV *avent = newAV (); |
|
|
396 | |
|
|
397 | av_extend (avent, 2); |
|
|
398 | |
|
|
399 | if (!sv_type [ent->type]) |
|
|
400 | { |
|
|
401 | sv_type [ent->type] = newSViv (ent->type); |
|
|
402 | SvREADONLY_on (sv_type [ent->type]); |
|
|
403 | } |
|
|
404 | |
|
|
405 | av_store (avent, 0, namesv); |
|
|
406 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
407 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
408 | |
|
|
409 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
410 | } |
|
|
411 | else |
492 | av_store (av, i, sv); |
412 | av_store (av, i, namesv); |
|
|
413 | |
|
|
414 | ++ent; |
|
|
415 | } |
|
|
416 | else |
|
|
417 | { |
|
|
418 | SV *name = newSVpv (names, 0); |
|
|
419 | av_store (av, i, name); |
493 | buf += SvCUR (sv) + 1; |
420 | names += SvCUR (name) + 1; |
|
|
421 | } |
494 | } |
422 | } |
495 | |
423 | |
496 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
424 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
497 | } |
425 | } |
498 | |
426 | |
499 | PUSHs (rv); |
427 | PUSHs (rv); |
|
|
428 | |
|
|
429 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
430 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
500 | } |
431 | } |
501 | break; |
432 | break; |
502 | |
433 | |
503 | case REQ_OPEN: |
434 | case EIO_OPEN: |
504 | { |
435 | { |
505 | /* convert fd to fh */ |
436 | /* convert fd to fh */ |
506 | SV *fh; |
437 | SV *fh = &PL_sv_undef; |
507 | |
438 | |
508 | PUSHs (sv_2mortal (newSViv (req->result))); |
439 | if (req->result >= 0) |
509 | PUTBACK; |
440 | { |
510 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
441 | GV *gv = (GV *)sv_newmortal (); |
511 | SPAGAIN; |
442 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
443 | char sym [64]; |
|
|
444 | int symlen; |
|
|
445 | |
|
|
446 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
447 | gv_init (gv, aio_stash, sym, symlen, 0); |
512 | |
448 | |
513 | fh = POPs; |
449 | symlen = snprintf ( |
514 | PUSHMARK (SP); |
450 | sym, |
|
|
451 | sizeof (sym), |
|
|
452 | "%s&=%d", |
|
|
453 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
454 | (int)req->result |
|
|
455 | ); |
|
|
456 | |
|
|
457 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
458 | fh = (SV *)gv; |
|
|
459 | } |
|
|
460 | |
515 | XPUSHs (fh); |
461 | PUSHs (fh); |
516 | } |
462 | } |
517 | break; |
463 | break; |
518 | |
464 | |
|
|
465 | case EIO_STATVFS: |
|
|
466 | case EIO_FSTATVFS: |
|
|
467 | { |
|
|
468 | SV *rv = &PL_sv_undef; |
|
|
469 | |
|
|
470 | #ifndef _WIN32 |
|
|
471 | if (req->result >= 0) |
|
|
472 | { |
|
|
473 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
474 | HV *hv = newHV (); |
|
|
475 | |
|
|
476 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
477 | |
|
|
478 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
479 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
480 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
481 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
482 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
483 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
484 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
485 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
486 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
487 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
488 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
489 | } |
|
|
490 | #endif |
|
|
491 | |
|
|
492 | PUSHs (rv); |
|
|
493 | } |
|
|
494 | |
|
|
495 | break; |
|
|
496 | |
519 | case REQ_GROUP: |
497 | case EIO_GROUP: |
520 | req->int1 = 2; /* mark group as finished */ |
498 | req->int1 = 2; /* mark group as finished */ |
521 | |
499 | |
522 | if (req->sv1) |
500 | if (req->sv1) |
523 | { |
501 | { |
524 | int i; |
502 | int i; |
… | |
… | |
528 | for (i = 0; i <= AvFILL (av); ++i) |
506 | for (i = 0; i <= AvFILL (av); ++i) |
529 | PUSHs (*av_fetch (av, i, 0)); |
507 | PUSHs (*av_fetch (av, i, 0)); |
530 | } |
508 | } |
531 | break; |
509 | break; |
532 | |
510 | |
533 | case REQ_NOP: |
511 | case EIO_NOP: |
534 | case REQ_BUSY: |
512 | case EIO_BUSY: |
535 | break; |
513 | break; |
536 | |
514 | |
537 | case REQ_READLINK: |
515 | case EIO_READLINK: |
|
|
516 | case EIO_REALPATH: |
538 | if (req->result > 0) |
517 | if (req->result > 0) |
|
|
518 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
519 | break; |
|
|
520 | |
|
|
521 | case EIO_STAT: |
|
|
522 | case EIO_LSTAT: |
|
|
523 | case EIO_FSTAT: |
|
|
524 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
525 | |
|
|
526 | if (!(PL_laststatval = req->result)) |
|
|
527 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
528 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
529 | |
|
|
530 | PUSHs (sv_result); |
|
|
531 | break; |
|
|
532 | |
|
|
533 | case EIO_SEEK: |
|
|
534 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
535 | break; |
|
|
536 | |
|
|
537 | case EIO_READ: |
|
|
538 | { |
|
|
539 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
540 | *SvEND (req->sv2) = 0; |
|
|
541 | SvPOK_only (req->sv2); |
|
|
542 | SvSETMAGIC (req->sv2); |
|
|
543 | PUSHs (sv_result); |
|
|
544 | } |
|
|
545 | break; |
|
|
546 | |
|
|
547 | case EIO_CUSTOM: |
|
|
548 | if (req->feed == fiemap) |
539 | { |
549 | { |
540 | SvCUR_set (req->sv2, req->result); |
|
|
541 | *SvEND (req->sv2) = 0; |
|
|
542 | PUSHs (req->sv2); |
550 | if (!req->result) |
|
|
551 | { |
|
|
552 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
553 | |
|
|
554 | if (fiemap->fm_extent_count) |
|
|
555 | { |
|
|
556 | AV *av = newAV (); |
|
|
557 | int i; |
|
|
558 | |
|
|
559 | while (fiemap->fm_mapped_extents) |
|
|
560 | { |
|
|
561 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
562 | AV *ext_av = newAV (); |
|
|
563 | |
|
|
564 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
565 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
566 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
567 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
568 | |
|
|
569 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
570 | } |
|
|
571 | |
|
|
572 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
573 | } |
|
|
574 | else |
|
|
575 | { |
|
|
576 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
577 | PUSHs (sv_result); |
|
|
578 | } |
|
|
579 | } |
543 | } |
580 | } |
|
|
581 | else |
|
|
582 | PUSHs (sv_result); |
544 | break; |
583 | break; |
545 | |
584 | |
546 | case REQ_STAT: |
585 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
547 | case REQ_LSTAT: |
586 | if (req->result > 0) |
548 | case REQ_FSTAT: |
587 | SvIV_set (sv_result, 0); |
549 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
588 | /* FALLTHROUGH */ |
550 | PL_laststatval = req->result; |
|
|
551 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
552 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
553 | break; |
|
|
554 | |
|
|
555 | case REQ_READ: |
|
|
556 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
557 | *SvEND (req->sv2) = 0; |
|
|
558 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
559 | break; |
|
|
560 | |
589 | |
561 | default: |
590 | default: |
562 | PUSHs (sv_2mortal (newSViv (req->result))); |
591 | PUSHs (sv_result); |
563 | break; |
592 | break; |
564 | } |
593 | } |
565 | |
594 | |
566 | errno = req->errorno; |
595 | errno = req->errorno; |
567 | |
596 | |
568 | PUTBACK; |
597 | PUTBACK; |
569 | call_sv (req->callback, G_VOID | G_EVAL); |
598 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
570 | SPAGAIN; |
599 | SPAGAIN; |
|
|
600 | |
|
|
601 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
602 | SvREFCNT_dec (sv_result); |
|
|
603 | else |
|
|
604 | sv_result_cache = sv_result; |
571 | |
605 | |
572 | FREETMPS; |
606 | FREETMPS; |
573 | LEAVE; |
607 | LEAVE; |
|
|
608 | |
|
|
609 | PUTBACK; |
574 | } |
610 | } |
575 | |
611 | |
576 | if (req->grp) |
|
|
577 | { |
|
|
578 | aio_req grp = req->grp; |
|
|
579 | |
|
|
580 | /* unlink request */ |
|
|
581 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
582 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
583 | |
|
|
584 | if (grp->grp_first == req) |
|
|
585 | grp->grp_first = req->grp_next; |
|
|
586 | |
|
|
587 | aio_grp_dec (grp); |
|
|
588 | } |
|
|
589 | |
|
|
590 | return !SvTRUE (ERRSV); |
612 | return !!SvTRUE (ERRSV); |
591 | } |
613 | } |
592 | |
614 | |
|
|
615 | static void |
593 | static void req_destroy (aio_req req) |
616 | req_destroy (aio_req req) |
594 | { |
617 | { |
595 | if (req->self) |
618 | if (req->self) |
596 | { |
619 | { |
597 | sv_unmagic (req->self, PERL_MAGIC_ext); |
620 | sv_unmagic (req->self, PERL_MAGIC_ext); |
598 | SvREFCNT_dec (req->self); |
621 | SvREFCNT_dec (req->self); |
599 | } |
622 | } |
600 | |
623 | |
601 | SvREFCNT_dec (req->sv1); |
624 | SvREFCNT_dec (req->sv1); |
602 | SvREFCNT_dec (req->sv2); |
625 | SvREFCNT_dec (req->sv2); |
|
|
626 | SvREFCNT_dec (req->sv3); |
|
|
627 | SvREFCNT_dec (req->sv4); |
603 | SvREFCNT_dec (req->callback); |
628 | SvREFCNT_dec (req->callback); |
604 | |
629 | |
605 | if (req->flags & FLAG_PTR2_FREE) |
|
|
606 | free (req->ptr2); |
|
|
607 | |
|
|
608 | Safefree (req); |
630 | free (req); |
609 | } |
631 | } |
610 | |
632 | |
|
|
633 | static void |
611 | static void req_cancel_subs (aio_req grp) |
634 | req_cancel_subs (aio_req grp) |
612 | { |
635 | { |
613 | aio_req sub; |
|
|
614 | |
|
|
615 | if (grp->type != REQ_GROUP) |
636 | if (grp->type != EIO_GROUP) |
616 | return; |
637 | return; |
617 | |
638 | |
618 | SvREFCNT_dec (grp->sv2); |
639 | SvREFCNT_dec (grp->sv2); |
619 | grp->sv2 = 0; |
640 | grp->sv2 = 0; |
620 | |
641 | |
621 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
642 | eio_grp_cancel (grp); |
622 | req_cancel (sub); |
|
|
623 | } |
643 | } |
624 | |
644 | |
625 | static void req_cancel (aio_req req) |
645 | static void ecb_cold |
|
|
646 | create_respipe (void) |
626 | { |
647 | { |
627 | req->flags |= FLAG_CANCELLED; |
648 | if (s_epipe_renew (&respipe)) |
628 | |
649 | croak ("IO::AIO: unable to initialize result pipe"); |
629 | req_cancel_subs (req); |
|
|
630 | } |
650 | } |
631 | |
|
|
632 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
633 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
634 | #else |
|
|
635 | # define TO_SOCKET(x) (x) |
|
|
636 | #endif |
|
|
637 | |
651 | |
638 | static void |
652 | static void |
639 | create_respipe () |
653 | poll_wait (void) |
640 | { |
654 | { |
641 | int old_readfd = respipe [0]; |
|
|
642 | |
|
|
643 | if (respipe [1] >= 0) |
|
|
644 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
645 | |
|
|
646 | #ifdef _WIN32 |
|
|
647 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
648 | #else |
|
|
649 | if (pipe (respipe)) |
|
|
650 | #endif |
|
|
651 | croak ("unable to initialize result pipe"); |
|
|
652 | |
|
|
653 | if (old_readfd >= 0) |
|
|
654 | { |
|
|
655 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
656 | croak ("unable to initialize result pipe(2)"); |
|
|
657 | |
|
|
658 | respipe_close (respipe [0]); |
|
|
659 | respipe [0] = old_readfd; |
|
|
660 | } |
|
|
661 | |
|
|
662 | #ifdef _WIN32 |
|
|
663 | int arg = 1; |
|
|
664 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
665 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
666 | #else |
|
|
667 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
668 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
669 | #endif |
|
|
670 | croak ("unable to initialize result pipe(3)"); |
|
|
671 | |
|
|
672 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
673 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
674 | } |
|
|
675 | |
|
|
676 | X_THREAD_PROC (aio_proc); |
|
|
677 | |
|
|
678 | static void start_thread (void) |
|
|
679 | { |
|
|
680 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
681 | |
|
|
682 | if (!wrk) |
|
|
683 | croak ("unable to allocate worker thread data"); |
|
|
684 | |
|
|
685 | X_LOCK (wrklock); |
|
|
686 | |
|
|
687 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
688 | { |
|
|
689 | wrk->prev = &wrk_first; |
|
|
690 | wrk->next = wrk_first.next; |
|
|
691 | wrk_first.next->prev = wrk; |
|
|
692 | wrk_first.next = wrk; |
|
|
693 | ++started; |
|
|
694 | } |
|
|
695 | else |
|
|
696 | free (wrk); |
|
|
697 | |
|
|
698 | X_UNLOCK (wrklock); |
|
|
699 | } |
|
|
700 | |
|
|
701 | static void maybe_start_thread () |
|
|
702 | { |
|
|
703 | if (get_nthreads () >= wanted) |
|
|
704 | return; |
|
|
705 | |
|
|
706 | /* todo: maybe use idle here, but might be less exact */ |
|
|
707 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
708 | return; |
|
|
709 | |
|
|
710 | start_thread (); |
|
|
711 | } |
|
|
712 | |
|
|
713 | static void req_send (aio_req req) |
|
|
714 | { |
|
|
715 | block_sig (); |
|
|
716 | |
|
|
717 | ++nreqs; |
|
|
718 | |
|
|
719 | X_LOCK (reqlock); |
|
|
720 | ++nready; |
|
|
721 | reqq_push (&req_queue, req); |
|
|
722 | X_COND_SIGNAL (reqwait); |
|
|
723 | X_UNLOCK (reqlock); |
|
|
724 | |
|
|
725 | unblock_sig (); |
|
|
726 | |
|
|
727 | maybe_start_thread (); |
|
|
728 | } |
|
|
729 | |
|
|
730 | static void end_thread (void) |
|
|
731 | { |
|
|
732 | aio_req req; |
|
|
733 | |
|
|
734 | Newz (0, req, 1, aio_cb); |
|
|
735 | |
|
|
736 | req->type = REQ_QUIT; |
|
|
737 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
738 | |
|
|
739 | X_LOCK (reqlock); |
|
|
740 | reqq_push (&req_queue, req); |
|
|
741 | X_COND_SIGNAL (reqwait); |
|
|
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | X_LOCK (wrklock); |
|
|
745 | --started; |
|
|
746 | X_UNLOCK (wrklock); |
|
|
747 | } |
|
|
748 | |
|
|
749 | static void set_max_idle (int nthreads) |
|
|
750 | { |
|
|
751 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
752 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
753 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
754 | } |
|
|
755 | |
|
|
756 | static void min_parallel (int nthreads) |
|
|
757 | { |
|
|
758 | if (wanted < nthreads) |
|
|
759 | wanted = nthreads; |
|
|
760 | } |
|
|
761 | |
|
|
762 | static void max_parallel (int nthreads) |
|
|
763 | { |
|
|
764 | if (wanted > nthreads) |
|
|
765 | wanted = nthreads; |
|
|
766 | |
|
|
767 | while (started > wanted) |
|
|
768 | end_thread (); |
|
|
769 | } |
|
|
770 | |
|
|
771 | static void poll_wait () |
|
|
772 | { |
|
|
773 | fd_set rfd; |
|
|
774 | |
|
|
775 | while (nreqs) |
655 | while (eio_nreqs ()) |
776 | { |
656 | { |
777 | int size; |
657 | int size; |
778 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
658 | |
|
|
659 | X_LOCK (reslock); |
779 | size = res_queue.size; |
660 | size = res_queue.size; |
780 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
661 | X_UNLOCK (reslock); |
781 | |
662 | |
782 | if (size) |
663 | if (size) |
783 | return; |
664 | return; |
784 | |
665 | |
785 | maybe_start_thread (); |
666 | etp_maybe_start_thread (); |
786 | |
667 | |
787 | FD_ZERO (&rfd); |
668 | s_epipe_wait (&respipe); |
788 | FD_SET (respipe [0], &rfd); |
|
|
789 | |
|
|
790 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
791 | } |
669 | } |
792 | } |
670 | } |
793 | |
671 | |
794 | static int poll_cb () |
672 | static int |
|
|
673 | poll_cb (void) |
795 | { |
674 | { |
796 | dSP; |
|
|
797 | int count = 0; |
|
|
798 | int maxreqs = max_poll_reqs; |
|
|
799 | int do_croak = 0; |
|
|
800 | struct timeval tv_start, tv_now; |
|
|
801 | aio_req req; |
|
|
802 | |
|
|
803 | if (max_poll_time) |
|
|
804 | gettimeofday (&tv_start, 0); |
|
|
805 | |
|
|
806 | block_sig (); |
|
|
807 | |
|
|
808 | for (;;) |
675 | for (;;) |
809 | { |
676 | { |
810 | for (;;) |
677 | int res = eio_poll (); |
|
|
678 | |
|
|
679 | if (res > 0) |
|
|
680 | croak (0); |
|
|
681 | |
|
|
682 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
683 | return res; |
|
|
684 | |
|
|
685 | poll_wait (); |
|
|
686 | } |
|
|
687 | } |
|
|
688 | |
|
|
689 | static void ecb_cold |
|
|
690 | reinit (void) |
|
|
691 | { |
|
|
692 | create_respipe (); |
|
|
693 | |
|
|
694 | if (eio_init (want_poll, done_poll) < 0) |
|
|
695 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
696 | } |
|
|
697 | |
|
|
698 | /*****************************************************************************/ |
|
|
699 | |
|
|
700 | #if !_POSIX_MAPPED_FILES |
|
|
701 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
702 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
703 | #endif |
|
|
704 | |
|
|
705 | #if !_POSIX_MEMORY_PROTECTION |
|
|
706 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
707 | # define PROT_NONE 0 |
|
|
708 | # define PROT_WRITE 0 |
|
|
709 | # define MAP_PRIVATE 0 |
|
|
710 | # define MAP_SHARED 0 |
|
|
711 | # define MAP_FIXED 0 |
|
|
712 | #endif |
|
|
713 | |
|
|
714 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
715 | |
|
|
716 | static int ecb_cold |
|
|
717 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
718 | { |
|
|
719 | int old_errno = errno; |
|
|
720 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
721 | errno = old_errno; |
|
|
722 | |
|
|
723 | mg->mg_obj = 0; /* just in case */ |
|
|
724 | |
|
|
725 | SvREADONLY_off (sv); |
|
|
726 | |
|
|
727 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
728 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
729 | |
|
|
730 | SvCUR_set (sv, 0); |
|
|
731 | SvPVX (sv) = 0; |
|
|
732 | SvOK_off (sv); |
|
|
733 | |
|
|
734 | return 0; |
|
|
735 | } |
|
|
736 | |
|
|
737 | static MGVTBL mmap_vtbl = { |
|
|
738 | 0, 0, 0, 0, mmap_free |
|
|
739 | }; |
|
|
740 | |
|
|
741 | /*****************************************************************************/ |
|
|
742 | |
|
|
743 | static SV * |
|
|
744 | get_cb (SV *cb_sv) |
|
|
745 | { |
|
|
746 | SvGETMAGIC (cb_sv); |
|
|
747 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
748 | } |
|
|
749 | |
|
|
750 | static aio_req ecb_noinline |
|
|
751 | dreq (SV *callback) |
|
|
752 | { |
|
|
753 | SV *cb_cv; |
|
|
754 | aio_req req; |
|
|
755 | int req_pri = next_pri; |
|
|
756 | next_pri = EIO_PRI_DEFAULT; |
|
|
757 | |
|
|
758 | cb_cv = get_cb (callback); |
|
|
759 | |
|
|
760 | req = calloc (sizeof (*req), 1); |
|
|
761 | if (!req) |
|
|
762 | croak ("out of memory during eio_req allocation"); |
|
|
763 | |
|
|
764 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
765 | req->pri = req_pri; |
|
|
766 | |
|
|
767 | return req; |
|
|
768 | } |
|
|
769 | |
|
|
770 | #define dREQ \ |
|
|
771 | aio_req req = dreq (callback); \ |
|
|
772 | |
|
|
773 | #define REQ_SEND \ |
|
|
774 | PUTBACK; \ |
|
|
775 | req_submit (req); \ |
|
|
776 | SPAGAIN; \ |
|
|
777 | \ |
|
|
778 | if (GIMME_V != G_VOID) \ |
|
|
779 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
780 | |
|
|
781 | ecb_inline void |
|
|
782 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
783 | { |
|
|
784 | if (expect_false (SvROK (path))) |
|
|
785 | { |
|
|
786 | SV *rv = SvRV (path); |
|
|
787 | SV *wdob; |
|
|
788 | |
|
|
789 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
811 | { |
790 | { |
812 | maybe_start_thread (); |
791 | path = AvARRAY (rv)[1]; |
|
|
792 | wdob = AvARRAY (rv)[0]; |
813 | |
793 | |
814 | X_LOCK (reslock); |
794 | if (SvOK (wdob)) |
815 | req = reqq_shift (&res_queue); |
|
|
816 | |
|
|
817 | if (req) |
|
|
818 | { |
795 | { |
819 | --npending; |
796 | *wd = SvAIO_WD (wdob); |
820 | |
797 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
821 | if (!res_queue.size) |
|
|
822 | { |
|
|
823 | /* read any signals sent by the worker threads */ |
|
|
824 | char buf [4]; |
|
|
825 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
826 | ; |
|
|
827 | } |
|
|
828 | } |
|
|
829 | |
|
|
830 | X_UNLOCK (reslock); |
|
|
831 | |
|
|
832 | if (!req) |
|
|
833 | break; |
|
|
834 | |
|
|
835 | --nreqs; |
|
|
836 | |
|
|
837 | if (req->type == REQ_GROUP && req->size) |
|
|
838 | { |
|
|
839 | req->int1 = 1; /* mark request as delayed */ |
|
|
840 | continue; |
|
|
841 | } |
798 | } |
842 | else |
799 | else |
843 | { |
800 | *wd = EIO_INVALID_WD; |
844 | if (!req_invoke (req)) |
|
|
845 | { |
|
|
846 | req_destroy (req); |
|
|
847 | unblock_sig (); |
|
|
848 | croak (0); |
|
|
849 | } |
|
|
850 | |
|
|
851 | count++; |
|
|
852 | } |
|
|
853 | |
|
|
854 | req_destroy (req); |
|
|
855 | |
|
|
856 | if (maxreqs && !--maxreqs) |
|
|
857 | break; |
|
|
858 | |
|
|
859 | if (max_poll_time) |
|
|
860 | { |
|
|
861 | gettimeofday (&tv_now, 0); |
|
|
862 | |
|
|
863 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
864 | break; |
|
|
865 | } |
|
|
866 | } |
801 | } |
|
|
802 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
803 | { |
|
|
804 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
805 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
806 | *ptr = "."; |
|
|
807 | return; /* path set to "." */ |
|
|
808 | } |
|
|
809 | else |
|
|
810 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
811 | } |
867 | |
812 | |
868 | if (nreqs <= max_outstanding) |
813 | *pathsv = newSVsv (path); |
|
|
814 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
815 | } |
|
|
816 | |
|
|
817 | static void ecb_noinline |
|
|
818 | req_set_path1 (aio_req req, SV *path) |
|
|
819 | { |
|
|
820 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
821 | } |
|
|
822 | |
|
|
823 | static void ecb_noinline |
|
|
824 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
825 | { |
|
|
826 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
827 | |
|
|
828 | switch (SvTYPE (rv)) |
|
|
829 | { |
|
|
830 | case SVt_PVIO: |
|
|
831 | case SVt_PVLV: |
|
|
832 | case SVt_PVGV: |
|
|
833 | req->type = type_fh; |
|
|
834 | req->sv1 = newSVsv (fh_or_path); |
|
|
835 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
869 | break; |
836 | break; |
870 | |
837 | |
871 | poll_wait (); |
838 | default: |
872 | |
839 | req->type = type_path; |
873 | ++maxreqs; |
840 | req_set_path1 (req, fh_or_path); |
|
|
841 | break; |
874 | } |
842 | } |
875 | |
|
|
876 | unblock_sig (); |
|
|
877 | return count; |
|
|
878 | } |
843 | } |
879 | |
844 | |
880 | /*****************************************************************************/ |
845 | XS(boot_IO__AIO) ecb_cold; |
881 | /* work around various missing functions */ |
|
|
882 | |
846 | |
883 | #if !HAVE_PREADWRITE |
|
|
884 | # define pread aio_pread |
|
|
885 | # define pwrite aio_pwrite |
|
|
886 | |
|
|
887 | /* |
|
|
888 | * make our pread/pwrite safe against themselves, but not against |
|
|
889 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
890 | * but that's your problem, not mine. |
|
|
891 | */ |
|
|
892 | static mutex_t preadwritelock = X_MUTEX_INIT; |
|
|
893 | |
|
|
894 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
895 | { |
|
|
896 | ssize_t res; |
|
|
897 | off_t ooffset; |
|
|
898 | |
|
|
899 | X_LOCK (preadwritelock); |
|
|
900 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
901 | lseek (fd, offset, SEEK_SET); |
|
|
902 | res = read (fd, buf, count); |
|
|
903 | lseek (fd, ooffset, SEEK_SET); |
|
|
904 | X_UNLOCK (preadwritelock); |
|
|
905 | |
|
|
906 | return res; |
|
|
907 | } |
|
|
908 | |
|
|
909 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
910 | { |
|
|
911 | ssize_t res; |
|
|
912 | off_t ooffset; |
|
|
913 | |
|
|
914 | X_LOCK (preadwritelock); |
|
|
915 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
916 | lseek (fd, offset, SEEK_SET); |
|
|
917 | res = write (fd, buf, count); |
|
|
918 | lseek (fd, offset, SEEK_SET); |
|
|
919 | X_UNLOCK (preadwritelock); |
|
|
920 | |
|
|
921 | return res; |
|
|
922 | } |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #ifndef HAVE_FUTIMES |
|
|
926 | |
|
|
927 | # define utimes(path,times) aio_utimes (path, times) |
|
|
928 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
929 | |
|
|
930 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
931 | { |
|
|
932 | if (times) |
|
|
933 | { |
|
|
934 | struct utimbuf buf; |
|
|
935 | |
|
|
936 | buf.actime = times[0].tv_sec; |
|
|
937 | buf.modtime = times[1].tv_sec; |
|
|
938 | |
|
|
939 | return utime (filename, &buf); |
|
|
940 | } |
|
|
941 | else |
|
|
942 | return utime (filename, 0); |
|
|
943 | } |
|
|
944 | |
|
|
945 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
946 | { |
|
|
947 | errno = ENOSYS; |
|
|
948 | return -1; |
|
|
949 | } |
|
|
950 | |
|
|
951 | #endif |
|
|
952 | |
|
|
953 | #if !HAVE_FDATASYNC |
|
|
954 | # define fdatasync fsync |
|
|
955 | #endif |
|
|
956 | |
|
|
957 | #if !HAVE_READAHEAD |
|
|
958 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
959 | |
|
|
960 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
961 | { |
|
|
962 | size_t todo = count; |
|
|
963 | dBUF; |
|
|
964 | |
|
|
965 | while (todo > 0) |
|
|
966 | { |
|
|
967 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
|
|
968 | |
|
|
969 | pread (fd, aio_buf, len, offset); |
|
|
970 | offset += len; |
|
|
971 | todo -= len; |
|
|
972 | } |
|
|
973 | |
|
|
974 | errno = 0; |
|
|
975 | return count; |
|
|
976 | } |
|
|
977 | |
|
|
978 | #endif |
|
|
979 | |
|
|
980 | #if !HAVE_READDIR_R |
|
|
981 | # define readdir_r aio_readdir_r |
|
|
982 | |
|
|
983 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
984 | |
|
|
985 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
|
|
986 | { |
|
|
987 | X_DIRENT *e; |
|
|
988 | int errorno; |
|
|
989 | |
|
|
990 | X_LOCK (readdirlock); |
|
|
991 | |
|
|
992 | e = readdir (dirp); |
|
|
993 | errorno = errno; |
|
|
994 | |
|
|
995 | if (e) |
|
|
996 | { |
|
|
997 | *res = ent; |
|
|
998 | strcpy (ent->d_name, e->d_name); |
|
|
999 | } |
|
|
1000 | else |
|
|
1001 | *res = 0; |
|
|
1002 | |
|
|
1003 | X_UNLOCK (readdirlock); |
|
|
1004 | |
|
|
1005 | errno = errorno; |
|
|
1006 | return e ? 0 : -1; |
|
|
1007 | } |
|
|
1008 | #endif |
|
|
1009 | |
|
|
1010 | /* sendfile always needs emulation */ |
|
|
1011 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
1012 | { |
|
|
1013 | ssize_t res; |
|
|
1014 | |
|
|
1015 | if (!count) |
|
|
1016 | return 0; |
|
|
1017 | |
|
|
1018 | #if HAVE_SENDFILE |
|
|
1019 | # if __linux |
|
|
1020 | res = sendfile (ofd, ifd, &offset, count); |
|
|
1021 | |
|
|
1022 | # elif __freebsd |
|
|
1023 | /* |
|
|
1024 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
1025 | * wasted on making it similar to other I/O functions. |
|
|
1026 | */ |
|
|
1027 | { |
|
|
1028 | off_t sbytes; |
|
|
1029 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
1030 | |
|
|
1031 | if (res < 0 && sbytes) |
|
|
1032 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
1033 | res = sbytes; |
|
|
1034 | } |
|
|
1035 | |
|
|
1036 | # elif __hpux |
|
|
1037 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
1038 | |
|
|
1039 | # elif __solaris |
|
|
1040 | { |
|
|
1041 | struct sendfilevec vec; |
|
|
1042 | size_t sbytes; |
|
|
1043 | |
|
|
1044 | vec.sfv_fd = ifd; |
|
|
1045 | vec.sfv_flag = 0; |
|
|
1046 | vec.sfv_off = offset; |
|
|
1047 | vec.sfv_len = count; |
|
|
1048 | |
|
|
1049 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
1050 | |
|
|
1051 | if (res < 0 && sbytes) |
|
|
1052 | res = sbytes; |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | # endif |
|
|
1056 | #else |
|
|
1057 | res = -1; |
|
|
1058 | errno = ENOSYS; |
|
|
1059 | #endif |
|
|
1060 | |
|
|
1061 | if (res < 0 |
|
|
1062 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1063 | #if __solaris |
|
|
1064 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1065 | #endif |
|
|
1066 | ) |
|
|
1067 | ) |
|
|
1068 | { |
|
|
1069 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1070 | dBUF; |
|
|
1071 | |
|
|
1072 | res = 0; |
|
|
1073 | |
|
|
1074 | while (count) |
|
|
1075 | { |
|
|
1076 | ssize_t cnt; |
|
|
1077 | |
|
|
1078 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1079 | |
|
|
1080 | if (cnt <= 0) |
|
|
1081 | { |
|
|
1082 | if (cnt && !res) res = -1; |
|
|
1083 | break; |
|
|
1084 | } |
|
|
1085 | |
|
|
1086 | cnt = write (ofd, aio_buf, cnt); |
|
|
1087 | |
|
|
1088 | if (cnt <= 0) |
|
|
1089 | { |
|
|
1090 | if (cnt && !res) res = -1; |
|
|
1091 | break; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | offset += cnt; |
|
|
1095 | res += cnt; |
|
|
1096 | count -= cnt; |
|
|
1097 | } |
|
|
1098 | } |
|
|
1099 | |
|
|
1100 | return res; |
|
|
1101 | } |
|
|
1102 | |
|
|
1103 | /* read a full directory */ |
|
|
1104 | static void scandir_ (aio_req req, worker *self) |
|
|
1105 | { |
|
|
1106 | DIR *dirp; |
|
|
1107 | union |
|
|
1108 | { |
|
|
1109 | X_DIRENT d; |
|
|
1110 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
1111 | } *u; |
|
|
1112 | X_DIRENT *entp; |
|
|
1113 | char *name, *names; |
|
|
1114 | int memlen = 4096; |
|
|
1115 | int memofs = 0; |
|
|
1116 | int res = 0; |
|
|
1117 | |
|
|
1118 | X_LOCK (wrklock); |
|
|
1119 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1120 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1121 | req->flags |= FLAG_PTR2_FREE; |
|
|
1122 | req->ptr2 = names = malloc (memlen); |
|
|
1123 | X_UNLOCK (wrklock); |
|
|
1124 | |
|
|
1125 | if (dirp && u && names) |
|
|
1126 | for (;;) |
|
|
1127 | { |
|
|
1128 | errno = 0; |
|
|
1129 | readdir_r (dirp, &u->d, &entp); |
|
|
1130 | |
|
|
1131 | if (!entp) |
|
|
1132 | break; |
|
|
1133 | |
|
|
1134 | name = entp->d_name; |
|
|
1135 | |
|
|
1136 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1137 | { |
|
|
1138 | int len = strlen (name) + 1; |
|
|
1139 | |
|
|
1140 | res++; |
|
|
1141 | |
|
|
1142 | while (memofs + len > memlen) |
|
|
1143 | { |
|
|
1144 | memlen *= 2; |
|
|
1145 | X_LOCK (wrklock); |
|
|
1146 | req->ptr2 = names = realloc (names, memlen); |
|
|
1147 | X_UNLOCK (wrklock); |
|
|
1148 | |
|
|
1149 | if (!names) |
|
|
1150 | break; |
|
|
1151 | } |
|
|
1152 | |
|
|
1153 | memcpy (names + memofs, name, len); |
|
|
1154 | memofs += len; |
|
|
1155 | } |
|
|
1156 | } |
|
|
1157 | |
|
|
1158 | if (errno) |
|
|
1159 | res = -1; |
|
|
1160 | |
|
|
1161 | req->result = res; |
|
|
1162 | } |
|
|
1163 | |
|
|
1164 | /*****************************************************************************/ |
|
|
1165 | |
|
|
1166 | X_THREAD_PROC (aio_proc) |
|
|
1167 | { |
|
|
1168 | {//D |
|
|
1169 | aio_req req; |
|
|
1170 | struct timespec ts; |
|
|
1171 | worker *self = (worker *)thr_arg; |
|
|
1172 | |
|
|
1173 | /* try to distribute timeouts somewhat randomly */ |
|
|
1174 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1175 | |
|
|
1176 | for (;;) |
|
|
1177 | { |
|
|
1178 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1179 | |
|
|
1180 | X_LOCK (reqlock); |
|
|
1181 | |
|
|
1182 | for (;;) |
|
|
1183 | { |
|
|
1184 | self->req = req = reqq_shift (&req_queue); |
|
|
1185 | |
|
|
1186 | if (req) |
|
|
1187 | break; |
|
|
1188 | |
|
|
1189 | ++idle; |
|
|
1190 | |
|
|
1191 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1192 | == ETIMEDOUT) |
|
|
1193 | { |
|
|
1194 | if (idle > max_idle) |
|
|
1195 | { |
|
|
1196 | --idle; |
|
|
1197 | X_UNLOCK (reqlock); |
|
|
1198 | X_LOCK (wrklock); |
|
|
1199 | --started; |
|
|
1200 | X_UNLOCK (wrklock); |
|
|
1201 | goto quit; |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1205 | X_COND_WAIT (reqwait, reqlock); |
|
|
1206 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1207 | } |
|
|
1208 | |
|
|
1209 | --idle; |
|
|
1210 | } |
|
|
1211 | |
|
|
1212 | --nready; |
|
|
1213 | |
|
|
1214 | X_UNLOCK (reqlock); |
|
|
1215 | |
|
|
1216 | errno = 0; /* strictly unnecessary */ |
|
|
1217 | |
|
|
1218 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1219 | switch (req->type) |
|
|
1220 | { |
|
|
1221 | case REQ_READ: req->result = req->offs >= 0 |
|
|
1222 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1223 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1224 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1225 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1226 | : write (req->int1, req->ptr1, req->size); break; |
|
|
1227 | |
|
|
1228 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1229 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1230 | |
|
|
1231 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1232 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1233 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1234 | |
|
|
1235 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1236 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1237 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1238 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1239 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1240 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1241 | |
|
|
1242 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1243 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1244 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1245 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1246 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1247 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1248 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1249 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1250 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1251 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1252 | |
|
|
1253 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1254 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1255 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1256 | |
|
|
1257 | case REQ_BUSY: |
|
|
1258 | #ifdef _WIN32 |
|
|
1259 | Sleep (req->nv1 * 1000.); |
|
|
1260 | #else |
|
|
1261 | { |
|
|
1262 | struct timeval tv; |
|
|
1263 | |
|
|
1264 | tv.tv_sec = req->nv1; |
|
|
1265 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1266 | |
|
|
1267 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1268 | } |
|
|
1269 | #endif |
|
|
1270 | break; |
|
|
1271 | |
|
|
1272 | case REQ_UTIME: |
|
|
1273 | case REQ_FUTIME: |
|
|
1274 | { |
|
|
1275 | struct timeval tv[2]; |
|
|
1276 | struct timeval *times; |
|
|
1277 | |
|
|
1278 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1279 | { |
|
|
1280 | tv[0].tv_sec = req->nv1; |
|
|
1281 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1282 | tv[1].tv_sec = req->nv2; |
|
|
1283 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1284 | |
|
|
1285 | times = tv; |
|
|
1286 | } |
|
|
1287 | else |
|
|
1288 | times = 0; |
|
|
1289 | |
|
|
1290 | |
|
|
1291 | req->result = req->type == REQ_FUTIME |
|
|
1292 | ? futimes (req->int1, times) |
|
|
1293 | : utimes (req->ptr1, times); |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | case REQ_GROUP: |
|
|
1297 | case REQ_NOP: |
|
|
1298 | break; |
|
|
1299 | |
|
|
1300 | case REQ_QUIT: |
|
|
1301 | goto quit; |
|
|
1302 | |
|
|
1303 | default: |
|
|
1304 | req->result = -1; |
|
|
1305 | break; |
|
|
1306 | } |
|
|
1307 | |
|
|
1308 | req->errorno = errno; |
|
|
1309 | |
|
|
1310 | X_LOCK (reslock); |
|
|
1311 | |
|
|
1312 | ++npending; |
|
|
1313 | |
|
|
1314 | if (!reqq_push (&res_queue, req)) |
|
|
1315 | { |
|
|
1316 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1317 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1318 | |
|
|
1319 | /* optionally signal the main thread asynchronously */ |
|
|
1320 | if (main_sig) |
|
|
1321 | pthread_kill (main_tid, main_sig); |
|
|
1322 | } |
|
|
1323 | |
|
|
1324 | self->req = 0; |
|
|
1325 | worker_clear (self); |
|
|
1326 | |
|
|
1327 | X_UNLOCK (reslock); |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | quit: |
|
|
1331 | X_LOCK (wrklock); |
|
|
1332 | worker_free (self); |
|
|
1333 | X_UNLOCK (wrklock); |
|
|
1334 | |
|
|
1335 | return 0; |
|
|
1336 | }//D |
|
|
1337 | } |
|
|
1338 | |
|
|
1339 | /*****************************************************************************/ |
|
|
1340 | |
|
|
1341 | static void atfork_prepare (void) |
|
|
1342 | { |
|
|
1343 | X_LOCK (wrklock); |
|
|
1344 | X_LOCK (reqlock); |
|
|
1345 | X_LOCK (reslock); |
|
|
1346 | #if !HAVE_PREADWRITE |
|
|
1347 | X_LOCK (preadwritelock); |
|
|
1348 | #endif |
|
|
1349 | #if !HAVE_READDIR_R |
|
|
1350 | X_LOCK (readdirlock); |
|
|
1351 | #endif |
|
|
1352 | } |
|
|
1353 | |
|
|
1354 | static void atfork_parent (void) |
|
|
1355 | { |
|
|
1356 | #if !HAVE_READDIR_R |
|
|
1357 | X_UNLOCK (readdirlock); |
|
|
1358 | #endif |
|
|
1359 | #if !HAVE_PREADWRITE |
|
|
1360 | X_UNLOCK (preadwritelock); |
|
|
1361 | #endif |
|
|
1362 | X_UNLOCK (reslock); |
|
|
1363 | X_UNLOCK (reqlock); |
|
|
1364 | X_UNLOCK (wrklock); |
|
|
1365 | } |
|
|
1366 | |
|
|
1367 | static void atfork_child (void) |
|
|
1368 | { |
|
|
1369 | aio_req prv; |
|
|
1370 | |
|
|
1371 | while (prv = reqq_shift (&req_queue)) |
|
|
1372 | req_destroy (prv); |
|
|
1373 | |
|
|
1374 | while (prv = reqq_shift (&res_queue)) |
|
|
1375 | req_destroy (prv); |
|
|
1376 | |
|
|
1377 | while (wrk_first.next != &wrk_first) |
|
|
1378 | { |
|
|
1379 | worker *wrk = wrk_first.next; |
|
|
1380 | |
|
|
1381 | if (wrk->req) |
|
|
1382 | req_destroy (wrk->req); |
|
|
1383 | |
|
|
1384 | worker_clear (wrk); |
|
|
1385 | worker_free (wrk); |
|
|
1386 | } |
|
|
1387 | |
|
|
1388 | started = 0; |
|
|
1389 | idle = 0; |
|
|
1390 | nreqs = 0; |
|
|
1391 | nready = 0; |
|
|
1392 | npending = 0; |
|
|
1393 | |
|
|
1394 | create_respipe (); |
|
|
1395 | |
|
|
1396 | atfork_parent (); |
|
|
1397 | } |
|
|
1398 | |
|
|
1399 | #define dREQ \ |
|
|
1400 | aio_req req; \ |
|
|
1401 | int req_pri = next_pri; \ |
|
|
1402 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1403 | \ |
|
|
1404 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1405 | croak ("callback must be undef or of reference type"); \ |
|
|
1406 | \ |
|
|
1407 | Newz (0, req, 1, aio_cb); \ |
|
|
1408 | if (!req) \ |
|
|
1409 | croak ("out of memory during aio_req allocation"); \ |
|
|
1410 | \ |
|
|
1411 | req->callback = newSVsv (callback); \ |
|
|
1412 | req->pri = req_pri |
|
|
1413 | |
|
|
1414 | #define REQ_SEND \ |
|
|
1415 | req_send (req); \ |
|
|
1416 | \ |
|
|
1417 | if (GIMME_V != G_VOID) \ |
|
|
1418 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1419 | |
|
|
1420 | MODULE = IO::AIO PACKAGE = IO::AIO |
847 | MODULE = IO::AIO PACKAGE = IO::AIO |
1421 | |
848 | |
1422 | PROTOTYPES: ENABLE |
849 | PROTOTYPES: ENABLE |
1423 | |
850 | |
1424 | BOOT: |
851 | BOOT: |
1425 | { |
852 | { |
|
|
853 | static const struct { |
|
|
854 | const char *name; |
|
|
855 | IV iv; |
|
|
856 | } *civ, const_iv[] = { |
|
|
857 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
858 | # define const_iv(name) { # name, (IV) name }, |
|
|
859 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
860 | |
|
|
861 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
|
|
862 | |
|
|
863 | const_iv (ENOSYS) |
|
|
864 | const_iv (EXDEV) |
|
|
865 | const_iv (EBADR) |
|
|
866 | |
|
|
867 | const_iv (O_RDONLY) |
|
|
868 | const_iv (O_WRONLY) |
|
|
869 | const_iv (O_RDWR) |
|
|
870 | const_iv (O_CREAT) |
|
|
871 | const_iv (O_TRUNC) |
|
|
872 | const_iv (O_EXCL) |
|
|
873 | const_iv (O_APPEND) |
|
|
874 | |
|
|
875 | const_iv (O_ASYNC) |
|
|
876 | const_iv (O_DIRECT) |
|
|
877 | const_iv (O_NOATIME) |
|
|
878 | |
|
|
879 | const_iv (O_CLOEXEC) |
|
|
880 | const_iv (O_NOCTTY) |
|
|
881 | const_iv (O_NOFOLLOW) |
|
|
882 | const_iv (O_NONBLOCK) |
|
|
883 | const_iv (O_EXEC) |
|
|
884 | const_iv (O_SEARCH) |
|
|
885 | const_iv (O_DIRECTORY) |
|
|
886 | const_iv (O_DSYNC) |
|
|
887 | const_iv (O_RSYNC) |
|
|
888 | const_iv (O_SYNC) |
|
|
889 | const_iv (O_TTY_INIT) |
|
|
890 | |
|
|
891 | const_iv (S_IFIFO) |
|
|
892 | const_iv (S_IFCHR) |
|
|
893 | const_iv (S_IFBLK) |
|
|
894 | const_iv (S_IFLNK) |
|
|
895 | const_iv (S_IFREG) |
|
|
896 | const_iv (S_IFDIR) |
|
|
897 | const_iv (S_IFWHT) |
|
|
898 | const_iv (S_IFSOCK) |
|
|
899 | const_iv (S_IFMT) |
|
|
900 | |
|
|
901 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
902 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
903 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
904 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
905 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
906 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
907 | |
|
|
908 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
909 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
910 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
911 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
912 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
913 | |
|
|
914 | const_iv (ST_RDONLY) |
|
|
915 | const_iv (ST_NOSUID) |
|
|
916 | const_iv (ST_NODEV) |
|
|
917 | const_iv (ST_NOEXEC) |
|
|
918 | const_iv (ST_SYNCHRONOUS) |
|
|
919 | const_iv (ST_MANDLOCK) |
|
|
920 | const_iv (ST_WRITE) |
|
|
921 | const_iv (ST_APPEND) |
|
|
922 | const_iv (ST_IMMUTABLE) |
|
|
923 | const_iv (ST_NOATIME) |
|
|
924 | const_iv (ST_NODIRATIME) |
|
|
925 | const_iv (ST_RELATIME) |
|
|
926 | |
|
|
927 | const_iv (PROT_NONE) |
|
|
928 | const_iv (PROT_EXEC) |
|
|
929 | const_iv (PROT_READ) |
|
|
930 | const_iv (PROT_WRITE) |
|
|
931 | |
|
|
932 | /*const_iv (MAP_FIXED)*/ |
|
|
933 | const_iv (MAP_PRIVATE) |
|
|
934 | const_iv (MAP_SHARED) |
|
|
935 | const_iv (MAP_ANONYMOUS) |
|
|
936 | |
|
|
937 | /* linuxish */ |
|
|
938 | const_iv (MAP_HUGETLB) |
|
|
939 | const_iv (MAP_LOCKED) |
|
|
940 | const_iv (MAP_NORESERVE) |
|
|
941 | const_iv (MAP_POPULATE) |
|
|
942 | const_iv (MAP_NONBLOCK) |
|
|
943 | |
|
|
944 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
945 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
946 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
947 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
948 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
949 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
950 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
951 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
952 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
953 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
954 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
955 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
956 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
957 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
958 | |
|
|
959 | const_eio (SEEK_SET) |
|
|
960 | const_eio (SEEK_CUR) |
|
|
961 | const_eio (SEEK_END) |
|
|
962 | |
|
|
963 | const_eio (MCL_FUTURE) |
|
|
964 | const_eio (MCL_CURRENT) |
|
|
965 | |
|
|
966 | const_eio (MS_ASYNC) |
|
|
967 | const_eio (MS_INVALIDATE) |
|
|
968 | const_eio (MS_SYNC) |
|
|
969 | |
|
|
970 | const_eio (MT_MODIFY) |
|
|
971 | |
|
|
972 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
973 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
974 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
975 | |
|
|
976 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
977 | |
|
|
978 | const_eio (READDIR_DENTS) |
|
|
979 | const_eio (READDIR_DIRS_FIRST) |
|
|
980 | const_eio (READDIR_STAT_ORDER) |
|
|
981 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
982 | |
|
|
983 | const_eio (DT_UNKNOWN) |
|
|
984 | const_eio (DT_FIFO) |
|
|
985 | const_eio (DT_CHR) |
|
|
986 | const_eio (DT_DIR) |
|
|
987 | const_eio (DT_BLK) |
|
|
988 | const_eio (DT_REG) |
|
|
989 | const_eio (DT_LNK) |
|
|
990 | const_eio (DT_SOCK) |
|
|
991 | const_eio (DT_WHT) |
|
|
992 | }; |
|
|
993 | |
1426 | HV *stash = gv_stashpv ("IO::AIO", 1); |
994 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
995 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
996 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
997 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1427 | |
998 | |
1428 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
999 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1429 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1000 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1430 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1431 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1432 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1433 | #ifdef _WIN32 |
|
|
1434 | X_MUTEX_CHECK (wrklock); |
|
|
1435 | X_MUTEX_CHECK (reslock); |
|
|
1436 | X_MUTEX_CHECK (reqlock); |
|
|
1437 | X_MUTEX_CHECK (reqwait); |
|
|
1438 | X_MUTEX_CHECK (preadwritelock); |
|
|
1439 | X_MUTEX_CHECK (readdirlock); |
|
|
1440 | |
1001 | |
1441 | X_COND_CHECK (reqwait); |
1002 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1442 | #else |
|
|
1443 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1444 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1445 | #endif |
|
|
1446 | |
1003 | |
1447 | create_respipe (); |
1004 | reinit (); |
1448 | |
|
|
1449 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
|
|
1450 | } |
1005 | } |
1451 | |
1006 | |
1452 | void |
1007 | void |
|
|
1008 | reinit () |
|
|
1009 | PROTOTYPE: |
|
|
1010 | |
|
|
1011 | void |
1453 | max_poll_reqs (int nreqs) |
1012 | max_poll_reqs (unsigned int nreqs) |
1454 | PROTOTYPE: $ |
1013 | PROTOTYPE: $ |
1455 | CODE: |
1014 | CODE: |
1456 | max_poll_reqs = nreqs; |
1015 | eio_set_max_poll_reqs (nreqs); |
1457 | |
1016 | |
1458 | void |
1017 | void |
1459 | max_poll_time (double nseconds) |
1018 | max_poll_time (double nseconds) |
1460 | PROTOTYPE: $ |
1019 | PROTOTYPE: $ |
1461 | CODE: |
1020 | CODE: |
1462 | max_poll_time = nseconds * AIO_TICKS; |
1021 | eio_set_max_poll_time (nseconds); |
1463 | |
1022 | |
1464 | void |
1023 | void |
1465 | min_parallel (int nthreads) |
1024 | min_parallel (unsigned int nthreads) |
1466 | PROTOTYPE: $ |
|
|
1467 | |
|
|
1468 | void |
|
|
1469 | max_parallel (int nthreads) |
|
|
1470 | PROTOTYPE: $ |
|
|
1471 | |
|
|
1472 | void |
|
|
1473 | max_idle (int nthreads) |
|
|
1474 | PROTOTYPE: $ |
1025 | PROTOTYPE: $ |
1475 | CODE: |
1026 | CODE: |
1476 | set_max_idle (nthreads); |
1027 | eio_set_min_parallel (nthreads); |
1477 | |
1028 | |
1478 | int |
1029 | void |
1479 | max_outstanding (int maxreqs) |
1030 | max_parallel (unsigned int nthreads) |
1480 | PROTOTYPE: $ |
1031 | PROTOTYPE: $ |
1481 | CODE: |
1032 | CODE: |
1482 | RETVAL = max_outstanding; |
1033 | eio_set_max_parallel (nthreads); |
|
|
1034 | |
|
|
1035 | void |
|
|
1036 | max_idle (unsigned int nthreads) |
|
|
1037 | PROTOTYPE: $ |
|
|
1038 | CODE: |
|
|
1039 | eio_set_max_idle (nthreads); |
|
|
1040 | |
|
|
1041 | void |
|
|
1042 | idle_timeout (unsigned int seconds) |
|
|
1043 | PROTOTYPE: $ |
|
|
1044 | CODE: |
|
|
1045 | eio_set_idle_timeout (seconds); |
|
|
1046 | |
|
|
1047 | void |
|
|
1048 | max_outstanding (unsigned int maxreqs) |
|
|
1049 | PROTOTYPE: $ |
|
|
1050 | CODE: |
1483 | max_outstanding = maxreqs; |
1051 | max_outstanding = maxreqs; |
1484 | OUTPUT: |
1052 | |
1485 | RETVAL |
1053 | void |
|
|
1054 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1055 | PPCODE: |
|
|
1056 | { |
|
|
1057 | dREQ; |
|
|
1058 | |
|
|
1059 | req->type = EIO_WD_OPEN; |
|
|
1060 | req_set_path1 (req, pathname); |
|
|
1061 | |
|
|
1062 | REQ_SEND; |
|
|
1063 | } |
1486 | |
1064 | |
1487 | void |
1065 | void |
1488 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1066 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1489 | PROTOTYPE: $$$;$ |
|
|
1490 | PPCODE: |
1067 | PPCODE: |
1491 | { |
1068 | { |
1492 | dREQ; |
1069 | dREQ; |
1493 | |
1070 | |
1494 | req->type = REQ_OPEN; |
1071 | req->type = EIO_OPEN; |
1495 | req->sv1 = newSVsv (pathname); |
1072 | req_set_path1 (req, pathname); |
1496 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1497 | req->int1 = flags; |
1073 | req->int1 = flags; |
1498 | req->mode = mode; |
1074 | req->int2 = mode; |
1499 | |
1075 | |
1500 | REQ_SEND; |
1076 | REQ_SEND; |
1501 | } |
1077 | } |
1502 | |
1078 | |
1503 | void |
1079 | void |
1504 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1080 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1505 | PROTOTYPE: $;$ |
|
|
1506 | ALIAS: |
1081 | ALIAS: |
1507 | aio_close = REQ_CLOSE |
|
|
1508 | aio_fsync = REQ_FSYNC |
1082 | aio_fsync = EIO_FSYNC |
1509 | aio_fdatasync = REQ_FDATASYNC |
1083 | aio_fdatasync = EIO_FDATASYNC |
|
|
1084 | aio_syncfs = EIO_SYNCFS |
1510 | PPCODE: |
1085 | PPCODE: |
1511 | { |
1086 | { |
|
|
1087 | int fd = s_fileno_croak (fh, 0); |
1512 | dREQ; |
1088 | dREQ; |
1513 | |
1089 | |
1514 | req->type = ix; |
1090 | req->type = ix; |
1515 | req->sv1 = newSVsv (fh); |
1091 | req->sv1 = newSVsv (fh); |
1516 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1092 | req->int1 = fd; |
1517 | |
1093 | |
1518 | REQ_SEND (req); |
1094 | REQ_SEND; |
|
|
1095 | } |
|
|
1096 | |
|
|
1097 | void |
|
|
1098 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1099 | PPCODE: |
|
|
1100 | { |
|
|
1101 | int fd = s_fileno_croak (fh, 0); |
|
|
1102 | dREQ; |
|
|
1103 | |
|
|
1104 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1105 | req->sv1 = newSVsv (fh); |
|
|
1106 | req->int1 = fd; |
|
|
1107 | req->offs = offset; |
|
|
1108 | req->size = nbytes; |
|
|
1109 | req->int2 = flags; |
|
|
1110 | |
|
|
1111 | REQ_SEND; |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | void |
|
|
1115 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1116 | PPCODE: |
|
|
1117 | { |
|
|
1118 | int fd = s_fileno_croak (fh, 0); |
|
|
1119 | dREQ; |
|
|
1120 | |
|
|
1121 | req->type = EIO_FALLOCATE; |
|
|
1122 | req->sv1 = newSVsv (fh); |
|
|
1123 | req->int1 = fd; |
|
|
1124 | req->int2 = mode; |
|
|
1125 | req->offs = offset; |
|
|
1126 | req->size = len; |
|
|
1127 | |
|
|
1128 | REQ_SEND; |
|
|
1129 | } |
|
|
1130 | |
|
|
1131 | void |
|
|
1132 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1133 | PPCODE: |
|
|
1134 | { |
|
|
1135 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1136 | int fd = s_fileno_croak (fh, 0); |
|
|
1137 | dREQ; |
|
|
1138 | |
|
|
1139 | if (expect_false (close_fd < 0)) |
|
|
1140 | { |
|
|
1141 | int pipefd [2]; |
|
|
1142 | |
|
|
1143 | if ( |
|
|
1144 | #ifdef _WIN32 |
|
|
1145 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1146 | #else |
|
|
1147 | pipe (pipefd) < 0 |
|
|
1148 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1149 | #endif |
|
|
1150 | || close (pipefd [1]) < 0 |
|
|
1151 | ) |
|
|
1152 | abort (); /*D*/ |
|
|
1153 | |
|
|
1154 | close_fd = pipefd [0]; |
|
|
1155 | } |
|
|
1156 | |
|
|
1157 | req->type = EIO_DUP2; |
|
|
1158 | req->int1 = close_fd; |
|
|
1159 | req->sv2 = newSVsv (fh); |
|
|
1160 | req->int2 = fd; |
|
|
1161 | |
|
|
1162 | REQ_SEND; |
|
|
1163 | } |
|
|
1164 | |
|
|
1165 | void |
|
|
1166 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
|
|
1167 | PPCODE: |
|
|
1168 | { |
|
|
1169 | STRLEN svlen; |
|
|
1170 | int fd = s_fileno_croak (fh, 0); |
|
|
1171 | dREQ; |
|
|
1172 | |
|
|
1173 | req->type = EIO_SEEK; |
|
|
1174 | req->sv1 = newSVsv (fh); |
|
|
1175 | req->int1 = fd; |
|
|
1176 | req->offs = SvVAL64 (offset); |
|
|
1177 | req->int2 = whence; |
|
|
1178 | |
|
|
1179 | REQ_SEND; |
1519 | } |
1180 | } |
1520 | |
1181 | |
1521 | void |
1182 | void |
1522 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1183 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1523 | ALIAS: |
1184 | ALIAS: |
1524 | aio_read = REQ_READ |
1185 | aio_read = EIO_READ |
1525 | aio_write = REQ_WRITE |
1186 | aio_write = EIO_WRITE |
1526 | PROTOTYPE: $$$$$;$ |
|
|
1527 | PPCODE: |
1187 | PPCODE: |
1528 | { |
1188 | { |
1529 | STRLEN svlen; |
1189 | STRLEN svlen; |
|
|
1190 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1530 | char *svptr = SvPVbyte (data, svlen); |
1191 | char *svptr = SvPVbyte (data, svlen); |
1531 | UV len = SvUV (length); |
1192 | UV len = SvUV (length); |
1532 | |
1193 | |
1533 | SvUPGRADE (data, SVt_PV); |
|
|
1534 | SvPOK_on (data); |
|
|
1535 | |
|
|
1536 | if (dataoffset < 0) |
1194 | if (dataoffset < 0) |
1537 | dataoffset += svlen; |
1195 | dataoffset += svlen; |
1538 | |
1196 | |
1539 | if (dataoffset < 0 || dataoffset > svlen) |
1197 | if (dataoffset < 0 || dataoffset > svlen) |
1540 | croak ("dataoffset outside of data scalar"); |
1198 | croak ("dataoffset outside of data scalar"); |
1541 | |
1199 | |
1542 | if (ix == REQ_WRITE) |
1200 | if (ix == EIO_WRITE) |
1543 | { |
1201 | { |
1544 | /* write: check length and adjust. */ |
1202 | /* write: check length and adjust. */ |
1545 | if (!SvOK (length) || len + dataoffset > svlen) |
1203 | if (!SvOK (length) || len + dataoffset > svlen) |
1546 | len = svlen - dataoffset; |
1204 | len = svlen - dataoffset; |
1547 | } |
1205 | } |
1548 | else |
1206 | else |
1549 | { |
1207 | { |
1550 | /* read: grow scalar as necessary */ |
1208 | /* read: check type and grow scalar as necessary */ |
|
|
1209 | SvUPGRADE (data, SVt_PV); |
1551 | svptr = SvGROW (data, len + dataoffset + 1); |
1210 | svptr = SvGROW (data, len + dataoffset + 1); |
1552 | } |
1211 | } |
1553 | |
1212 | |
1554 | if (len < 0) |
|
|
1555 | croak ("length must not be negative"); |
|
|
1556 | |
|
|
1557 | { |
1213 | { |
1558 | dREQ; |
1214 | dREQ; |
1559 | |
1215 | |
1560 | req->type = ix; |
1216 | req->type = ix; |
1561 | req->sv1 = newSVsv (fh); |
1217 | req->sv1 = newSVsv (fh); |
1562 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1218 | req->int1 = fd; |
1563 | : IoOFP (sv_2io (fh))); |
|
|
1564 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1219 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1565 | req->size = len; |
1220 | req->size = len; |
1566 | req->sv2 = SvREFCNT_inc (data); |
1221 | req->sv2 = SvREFCNT_inc (data); |
1567 | req->ptr1 = (char *)svptr + dataoffset; |
1222 | req->ptr2 = (char *)svptr + dataoffset; |
1568 | req->stroffset = dataoffset; |
1223 | req->stroffset = dataoffset; |
1569 | |
1224 | |
1570 | if (!SvREADONLY (data)) |
1225 | if (!SvREADONLY (data)) |
1571 | { |
1226 | { |
1572 | SvREADONLY_on (data); |
1227 | SvREADONLY_on (data); |
… | |
… | |
1576 | REQ_SEND; |
1231 | REQ_SEND; |
1577 | } |
1232 | } |
1578 | } |
1233 | } |
1579 | |
1234 | |
1580 | void |
1235 | void |
1581 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1236 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1582 | PROTOTYPE: $$;$ |
1237 | ALIAS: |
|
|
1238 | aio_readlink = EIO_READLINK |
|
|
1239 | aio_realpath = EIO_REALPATH |
1583 | PPCODE: |
1240 | PPCODE: |
1584 | { |
1241 | { |
1585 | SV *data; |
|
|
1586 | dREQ; |
1242 | dREQ; |
1587 | |
1243 | |
1588 | data = newSV (NAME_MAX); |
|
|
1589 | SvPOK_on (data); |
|
|
1590 | |
|
|
1591 | req->type = REQ_READLINK; |
1244 | req->type = ix; |
1592 | req->sv1 = newSVsv (path); |
1245 | req_set_path1 (req, pathname); |
1593 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1594 | req->sv2 = data; |
|
|
1595 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1596 | |
1246 | |
1597 | REQ_SEND; |
1247 | REQ_SEND; |
1598 | } |
1248 | } |
1599 | |
1249 | |
1600 | void |
1250 | void |
1601 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1251 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1602 | PROTOTYPE: $$$$;$ |
|
|
1603 | PPCODE: |
1252 | PPCODE: |
1604 | { |
1253 | { |
|
|
1254 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1255 | int ofd = s_fileno_croak (out_fh, 1); |
1605 | dREQ; |
1256 | dREQ; |
1606 | |
1257 | |
1607 | req->type = REQ_SENDFILE; |
1258 | req->type = EIO_SENDFILE; |
1608 | req->sv1 = newSVsv (out_fh); |
1259 | req->sv1 = newSVsv (out_fh); |
1609 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1260 | req->int1 = ofd; |
1610 | req->sv2 = newSVsv (in_fh); |
1261 | req->sv2 = newSVsv (in_fh); |
1611 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1262 | req->int2 = ifd; |
1612 | req->offs = SvVAL64 (in_offset); |
1263 | req->offs = in_offset; |
1613 | req->size = length; |
1264 | req->size = length; |
1614 | |
1265 | |
1615 | REQ_SEND; |
1266 | REQ_SEND; |
1616 | } |
1267 | } |
1617 | |
1268 | |
1618 | void |
1269 | void |
1619 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1270 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1620 | PROTOTYPE: $$$;$ |
|
|
1621 | PPCODE: |
1271 | PPCODE: |
1622 | { |
1272 | { |
|
|
1273 | int fd = s_fileno_croak (fh, 0); |
1623 | dREQ; |
1274 | dREQ; |
1624 | |
1275 | |
1625 | req->type = REQ_READAHEAD; |
1276 | req->type = EIO_READAHEAD; |
1626 | req->sv1 = newSVsv (fh); |
1277 | req->sv1 = newSVsv (fh); |
1627 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1278 | req->int1 = fd; |
1628 | req->offs = SvVAL64 (offset); |
1279 | req->offs = offset; |
1629 | req->size = length; |
1280 | req->size = length; |
1630 | |
1281 | |
1631 | REQ_SEND; |
1282 | REQ_SEND; |
1632 | } |
1283 | } |
1633 | |
1284 | |
1634 | void |
1285 | void |
1635 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1286 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1636 | ALIAS: |
1287 | ALIAS: |
1637 | aio_stat = REQ_STAT |
1288 | aio_stat = EIO_STAT |
1638 | aio_lstat = REQ_LSTAT |
1289 | aio_lstat = EIO_LSTAT |
|
|
1290 | aio_statvfs = EIO_STATVFS |
1639 | PPCODE: |
1291 | PPCODE: |
1640 | { |
1292 | { |
1641 | dREQ; |
1293 | dREQ; |
1642 | |
1294 | |
1643 | req->ptr2 = malloc (sizeof (Stat_t)); |
1295 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1644 | if (!req->ptr2) |
|
|
1645 | { |
|
|
1646 | req_destroy (req); |
|
|
1647 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1648 | } |
|
|
1649 | |
|
|
1650 | req->flags |= FLAG_PTR2_FREE; |
|
|
1651 | req->sv1 = newSVsv (fh_or_path); |
|
|
1652 | |
|
|
1653 | if (SvPOK (fh_or_path)) |
|
|
1654 | { |
|
|
1655 | req->type = ix; |
|
|
1656 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1657 | } |
|
|
1658 | else |
|
|
1659 | { |
|
|
1660 | req->type = REQ_FSTAT; |
|
|
1661 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1662 | } |
|
|
1663 | |
1296 | |
1664 | REQ_SEND; |
1297 | REQ_SEND; |
1665 | } |
1298 | } |
|
|
1299 | |
|
|
1300 | UV |
|
|
1301 | major (UV dev) |
|
|
1302 | ALIAS: |
|
|
1303 | minor = 1 |
|
|
1304 | CODE: |
|
|
1305 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1306 | OUTPUT: |
|
|
1307 | RETVAL |
|
|
1308 | |
|
|
1309 | UV |
|
|
1310 | makedev (UV maj, UV min) |
|
|
1311 | CODE: |
|
|
1312 | RETVAL = makedev (maj, min); |
|
|
1313 | OUTPUT: |
|
|
1314 | RETVAL |
1666 | |
1315 | |
1667 | void |
1316 | void |
1668 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1317 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1669 | PPCODE: |
1318 | PPCODE: |
1670 | { |
1319 | { |
1671 | dREQ; |
1320 | dREQ; |
1672 | |
1321 | |
1673 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1322 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1674 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1323 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1675 | req->sv1 = newSVsv (fh_or_path); |
1324 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1676 | |
|
|
1677 | if (SvPOK (fh_or_path)) |
|
|
1678 | { |
|
|
1679 | req->type = REQ_UTIME; |
|
|
1680 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1681 | } |
|
|
1682 | else |
|
|
1683 | { |
|
|
1684 | req->type = REQ_FUTIME; |
|
|
1685 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1686 | } |
|
|
1687 | |
1325 | |
1688 | REQ_SEND; |
1326 | REQ_SEND; |
1689 | } |
1327 | } |
1690 | |
1328 | |
1691 | void |
1329 | void |
1692 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1330 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1693 | PPCODE: |
1331 | PPCODE: |
1694 | { |
1332 | { |
1695 | dREQ; |
1333 | dREQ; |
1696 | |
1334 | |
1697 | req->sv1 = newSVsv (fh_or_path); |
|
|
1698 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1335 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1699 | |
1336 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1700 | if (SvPOK (fh_or_path)) |
|
|
1701 | { |
|
|
1702 | req->type = REQ_TRUNCATE; |
|
|
1703 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1704 | } |
|
|
1705 | else |
|
|
1706 | { |
|
|
1707 | req->type = REQ_FTRUNCATE; |
|
|
1708 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1709 | } |
|
|
1710 | |
1337 | |
1711 | REQ_SEND; |
1338 | REQ_SEND; |
1712 | } |
1339 | } |
1713 | |
1340 | |
1714 | void |
1341 | void |
1715 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1342 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1716 | PPCODE: |
1343 | PPCODE: |
1717 | { |
1344 | { |
1718 | dREQ; |
1345 | dREQ; |
1719 | |
1346 | |
1720 | req->mode = mode; |
1347 | req->int2 = mode; |
1721 | req->sv1 = newSVsv (fh_or_path); |
1348 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1722 | |
|
|
1723 | if (SvPOK (fh_or_path)) |
|
|
1724 | { |
|
|
1725 | req->type = REQ_CHMOD; |
|
|
1726 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1727 | } |
|
|
1728 | else |
|
|
1729 | { |
|
|
1730 | req->type = REQ_FCHMOD; |
|
|
1731 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1732 | } |
|
|
1733 | |
1349 | |
1734 | REQ_SEND; |
1350 | REQ_SEND; |
1735 | } |
1351 | } |
1736 | |
1352 | |
1737 | void |
1353 | void |
… | |
… | |
1740 | { |
1356 | { |
1741 | dREQ; |
1357 | dREQ; |
1742 | |
1358 | |
1743 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1359 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1744 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1360 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1745 | req->sv1 = newSVsv (fh_or_path); |
1361 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1746 | |
1362 | |
1747 | if (SvPOK (fh_or_path)) |
1363 | REQ_SEND; |
1748 | { |
1364 | } |
1749 | req->type = REQ_CHOWN; |
1365 | |
1750 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1366 | void |
1751 | } |
1367 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1752 | else |
1368 | PPCODE: |
1753 | { |
1369 | { |
1754 | req->type = REQ_FCHOWN; |
1370 | dREQ; |
1755 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1371 | |
1756 | } |
1372 | req->type = EIO_READDIR; |
|
|
1373 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1374 | |
|
|
1375 | if (flags & EIO_READDIR_DENTS) |
|
|
1376 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1377 | |
|
|
1378 | req_set_path1 (req, pathname); |
|
|
1379 | |
|
|
1380 | REQ_SEND; |
|
|
1381 | } |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1385 | PPCODE: |
|
|
1386 | { |
|
|
1387 | dREQ; |
|
|
1388 | |
|
|
1389 | req->type = EIO_MKDIR; |
|
|
1390 | req->int2 = mode; |
|
|
1391 | req_set_path1 (req, pathname); |
1757 | |
1392 | |
1758 | REQ_SEND; |
1393 | REQ_SEND; |
1759 | } |
1394 | } |
1760 | |
1395 | |
1761 | void |
1396 | void |
1762 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1397 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1763 | ALIAS: |
1398 | ALIAS: |
1764 | aio_unlink = REQ_UNLINK |
1399 | aio_unlink = EIO_UNLINK |
1765 | aio_rmdir = REQ_RMDIR |
1400 | aio_rmdir = EIO_RMDIR |
1766 | aio_readdir = REQ_READDIR |
1401 | aio_readdir = EIO_READDIR |
1767 | PPCODE: |
1402 | PPCODE: |
1768 | { |
1403 | { |
1769 | dREQ; |
1404 | dREQ; |
1770 | |
1405 | |
1771 | req->type = ix; |
1406 | req->type = ix; |
1772 | req->sv1 = newSVsv (pathname); |
1407 | req_set_path1 (req, pathname); |
1773 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1774 | |
|
|
1775 | REQ_SEND; |
|
|
1776 | } |
|
|
1777 | |
|
|
1778 | void |
|
|
1779 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1780 | PPCODE: |
|
|
1781 | { |
|
|
1782 | dREQ; |
|
|
1783 | |
|
|
1784 | req->type = REQ_MKDIR; |
|
|
1785 | req->sv1 = newSVsv (pathname); |
|
|
1786 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1787 | req->mode = mode; |
|
|
1788 | |
1408 | |
1789 | REQ_SEND; |
1409 | REQ_SEND; |
1790 | } |
1410 | } |
1791 | |
1411 | |
1792 | void |
1412 | void |
1793 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1413 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1794 | ALIAS: |
1414 | ALIAS: |
1795 | aio_link = REQ_LINK |
1415 | aio_link = EIO_LINK |
1796 | aio_symlink = REQ_SYMLINK |
1416 | aio_symlink = EIO_SYMLINK |
1797 | aio_rename = REQ_RENAME |
1417 | aio_rename = EIO_RENAME |
1798 | PPCODE: |
1418 | PPCODE: |
1799 | { |
1419 | { |
|
|
1420 | eio_wd wd2 = 0; |
1800 | dREQ; |
1421 | dREQ; |
1801 | |
1422 | |
1802 | req->type = ix; |
1423 | req->type = ix; |
1803 | req->sv2 = newSVsv (oldpath); |
1424 | req_set_path1 (req, oldpath); |
1804 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1425 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1805 | req->sv1 = newSVsv (newpath); |
1426 | req->int3 = (long)wd2; |
1806 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1807 | |
1427 | |
1808 | REQ_SEND; |
1428 | REQ_SEND; |
1809 | } |
1429 | } |
1810 | |
1430 | |
1811 | void |
1431 | void |
1812 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1432 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1813 | PPCODE: |
1433 | PPCODE: |
1814 | { |
1434 | { |
1815 | dREQ; |
1435 | dREQ; |
1816 | |
1436 | |
1817 | req->type = REQ_MKNOD; |
1437 | req->type = EIO_MKNOD; |
1818 | req->sv1 = newSVsv (pathname); |
|
|
1819 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1820 | req->mode = (mode_t)mode; |
1438 | req->int2 = (mode_t)mode; |
1821 | req->offs = dev; |
1439 | req->offs = dev; |
|
|
1440 | req_set_path1 (req, pathname); |
1822 | |
1441 | |
1823 | REQ_SEND; |
1442 | REQ_SEND; |
1824 | } |
1443 | } |
1825 | |
1444 | |
1826 | void |
1445 | void |
|
|
1446 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1447 | ALIAS: |
|
|
1448 | aio_mtouch = EIO_MTOUCH |
|
|
1449 | aio_msync = EIO_MSYNC |
|
|
1450 | PPCODE: |
|
|
1451 | { |
|
|
1452 | STRLEN svlen; |
|
|
1453 | char *svptr = SvPVbyte (data, svlen); |
|
|
1454 | UV len = SvUV (length); |
|
|
1455 | |
|
|
1456 | if (offset < 0) |
|
|
1457 | offset += svlen; |
|
|
1458 | |
|
|
1459 | if (offset < 0 || offset > svlen) |
|
|
1460 | croak ("offset outside of scalar"); |
|
|
1461 | |
|
|
1462 | if (!SvOK (length) || len + offset > svlen) |
|
|
1463 | len = svlen - offset; |
|
|
1464 | |
|
|
1465 | { |
|
|
1466 | dREQ; |
|
|
1467 | |
|
|
1468 | req->type = ix; |
|
|
1469 | req->sv2 = SvREFCNT_inc (data); |
|
|
1470 | req->ptr2 = (char *)svptr + offset; |
|
|
1471 | req->size = len; |
|
|
1472 | req->int1 = flags; |
|
|
1473 | |
|
|
1474 | REQ_SEND; |
|
|
1475 | } |
|
|
1476 | } |
|
|
1477 | |
|
|
1478 | void |
|
|
1479 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1480 | PPCODE: |
|
|
1481 | { |
|
|
1482 | STRLEN svlen; |
|
|
1483 | char *svptr = SvPVbyte (data, svlen); |
|
|
1484 | UV len = SvUV (length); |
|
|
1485 | |
|
|
1486 | if (offset < 0) |
|
|
1487 | offset += svlen; |
|
|
1488 | |
|
|
1489 | if (offset < 0 || offset > svlen) |
|
|
1490 | croak ("offset outside of scalar"); |
|
|
1491 | |
|
|
1492 | if (!SvOK (length) || len + offset > svlen) |
|
|
1493 | len = svlen - offset; |
|
|
1494 | |
|
|
1495 | { |
|
|
1496 | dREQ; |
|
|
1497 | |
|
|
1498 | req->type = EIO_MLOCK; |
|
|
1499 | req->sv2 = SvREFCNT_inc (data); |
|
|
1500 | req->ptr2 = (char *)svptr + offset; |
|
|
1501 | req->size = len; |
|
|
1502 | |
|
|
1503 | REQ_SEND; |
|
|
1504 | } |
|
|
1505 | } |
|
|
1506 | |
|
|
1507 | void |
|
|
1508 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1509 | PPCODE: |
|
|
1510 | { |
|
|
1511 | dREQ; |
|
|
1512 | |
|
|
1513 | req->type = EIO_MLOCKALL; |
|
|
1514 | req->int1 = flags; |
|
|
1515 | |
|
|
1516 | REQ_SEND; |
|
|
1517 | } |
|
|
1518 | |
|
|
1519 | void |
|
|
1520 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
|
|
1521 | PPCODE: |
|
|
1522 | { |
|
|
1523 | int fd = s_fileno_croak (fh, 0); |
|
|
1524 | dREQ; |
|
|
1525 | |
|
|
1526 | req->type = EIO_CUSTOM; |
|
|
1527 | req->sv1 = newSVsv (fh); |
|
|
1528 | req->int1 = fd; |
|
|
1529 | |
|
|
1530 | req->feed = fiemap; |
|
|
1531 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1532 | req->offs = start; |
|
|
1533 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1534 | req->int2 = flags; |
|
|
1535 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1536 | |
|
|
1537 | REQ_SEND; |
|
|
1538 | } |
|
|
1539 | |
|
|
1540 | void |
1827 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1541 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1828 | PPCODE: |
1542 | PPCODE: |
1829 | { |
1543 | { |
1830 | dREQ; |
1544 | dREQ; |
1831 | |
1545 | |
1832 | req->type = REQ_BUSY; |
1546 | req->type = EIO_BUSY; |
1833 | req->nv1 = delay < 0. ? 0. : delay; |
1547 | req->nv1 = delay < 0. ? 0. : delay; |
1834 | |
1548 | |
1835 | REQ_SEND; |
1549 | REQ_SEND; |
1836 | } |
1550 | } |
1837 | |
1551 | |
1838 | void |
1552 | void |
1839 | aio_group (SV *callback=&PL_sv_undef) |
1553 | aio_group (SV *callback=&PL_sv_undef) |
1840 | PROTOTYPE: ;$ |
|
|
1841 | PPCODE: |
1554 | PPCODE: |
1842 | { |
1555 | { |
1843 | dREQ; |
1556 | dREQ; |
1844 | |
1557 | |
1845 | req->type = REQ_GROUP; |
1558 | req->type = EIO_GROUP; |
1846 | |
1559 | |
1847 | req_send (req); |
1560 | req_submit (req); |
1848 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1561 | XPUSHs (req_sv (req, aio_grp_stash)); |
1849 | } |
1562 | } |
1850 | |
1563 | |
1851 | void |
1564 | void |
1852 | aio_nop (SV *callback=&PL_sv_undef) |
1565 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1566 | ALIAS: |
|
|
1567 | aio_nop = EIO_NOP |
|
|
1568 | aio_sync = EIO_SYNC |
1853 | PPCODE: |
1569 | PPCODE: |
1854 | { |
1570 | { |
1855 | dREQ; |
1571 | dREQ; |
1856 | |
1572 | |
1857 | req->type = REQ_NOP; |
1573 | req->type = ix; |
1858 | |
1574 | |
1859 | REQ_SEND; |
1575 | REQ_SEND; |
1860 | } |
1576 | } |
1861 | |
1577 | |
1862 | int |
1578 | int |
1863 | aioreq_pri (int pri = 0) |
1579 | aioreq_pri (int pri = 0) |
1864 | PROTOTYPE: ;$ |
|
|
1865 | CODE: |
1580 | CODE: |
1866 | RETVAL = next_pri - PRI_BIAS; |
1581 | RETVAL = next_pri; |
1867 | if (items > 0) |
1582 | if (items > 0) |
1868 | { |
1583 | { |
1869 | if (pri < PRI_MIN) pri = PRI_MIN; |
1584 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1870 | if (pri > PRI_MAX) pri = PRI_MAX; |
1585 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1871 | next_pri = pri + PRI_BIAS; |
1586 | next_pri = pri; |
1872 | } |
1587 | } |
1873 | OUTPUT: |
1588 | OUTPUT: |
1874 | RETVAL |
1589 | RETVAL |
1875 | |
1590 | |
1876 | void |
1591 | void |
1877 | aioreq_nice (int nice = 0) |
1592 | aioreq_nice (int nice = 0) |
1878 | CODE: |
1593 | CODE: |
1879 | nice = next_pri - nice; |
1594 | nice = next_pri - nice; |
1880 | if (nice < PRI_MIN) nice = PRI_MIN; |
1595 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1881 | if (nice > PRI_MAX) nice = PRI_MAX; |
1596 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1882 | next_pri = nice + PRI_BIAS; |
1597 | next_pri = nice; |
1883 | |
1598 | |
1884 | void |
1599 | void |
1885 | flush () |
1600 | flush () |
1886 | PROTOTYPE: |
|
|
1887 | CODE: |
1601 | CODE: |
1888 | while (nreqs) |
1602 | while (eio_nreqs ()) |
1889 | { |
1603 | { |
1890 | poll_wait (); |
1604 | poll_wait (); |
1891 | poll_cb (); |
1605 | poll_cb (); |
1892 | } |
1606 | } |
1893 | |
1607 | |
1894 | int |
1608 | int |
1895 | poll() |
1609 | poll () |
1896 | PROTOTYPE: |
|
|
1897 | CODE: |
1610 | CODE: |
1898 | poll_wait (); |
1611 | poll_wait (); |
1899 | RETVAL = poll_cb (); |
1612 | RETVAL = poll_cb (); |
1900 | OUTPUT: |
1613 | OUTPUT: |
1901 | RETVAL |
1614 | RETVAL |
1902 | |
1615 | |
1903 | int |
1616 | int |
1904 | poll_fileno() |
1617 | poll_fileno () |
1905 | PROTOTYPE: |
|
|
1906 | CODE: |
1618 | CODE: |
1907 | RETVAL = respipe [0]; |
1619 | RETVAL = s_epipe_fd (&respipe); |
1908 | OUTPUT: |
1620 | OUTPUT: |
1909 | RETVAL |
1621 | RETVAL |
1910 | |
1622 | |
1911 | int |
1623 | int |
1912 | poll_cb(...) |
1624 | poll_cb (...) |
1913 | PROTOTYPE: |
1625 | PROTOTYPE: |
1914 | CODE: |
1626 | CODE: |
1915 | RETVAL = poll_cb (); |
1627 | RETVAL = poll_cb (); |
1916 | OUTPUT: |
1628 | OUTPUT: |
1917 | RETVAL |
1629 | RETVAL |
1918 | |
1630 | |
1919 | void |
1631 | void |
1920 | poll_wait() |
1632 | poll_wait () |
1921 | PROTOTYPE: |
|
|
1922 | CODE: |
1633 | CODE: |
1923 | poll_wait (); |
1634 | poll_wait (); |
1924 | |
1635 | |
1925 | void |
|
|
1926 | setsig (int signum = SIGIO) |
|
|
1927 | PROTOTYPE: ;$ |
|
|
1928 | CODE: |
|
|
1929 | { |
|
|
1930 | if (block_sig_level) |
|
|
1931 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1932 | |
|
|
1933 | X_LOCK (reslock); |
|
|
1934 | main_tid = pthread_self (); |
|
|
1935 | main_sig = signum; |
|
|
1936 | X_UNLOCK (reslock); |
|
|
1937 | |
|
|
1938 | if (main_sig && npending) |
|
|
1939 | pthread_kill (main_tid, main_sig); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | void |
|
|
1943 | aio_block (SV *cb) |
|
|
1944 | PROTOTYPE: & |
|
|
1945 | PPCODE: |
|
|
1946 | { |
|
|
1947 | int count; |
|
|
1948 | |
|
|
1949 | block_sig (); |
|
|
1950 | PUSHMARK (SP); |
|
|
1951 | PUTBACK; |
|
|
1952 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1953 | SPAGAIN; |
|
|
1954 | unblock_sig (); |
|
|
1955 | |
|
|
1956 | if (SvTRUE (ERRSV)) |
|
|
1957 | croak (0); |
|
|
1958 | |
|
|
1959 | XSRETURN (count); |
|
|
1960 | } |
|
|
1961 | |
|
|
1962 | int |
1636 | int |
1963 | nreqs() |
1637 | nreqs () |
1964 | PROTOTYPE: |
|
|
1965 | CODE: |
1638 | CODE: |
1966 | RETVAL = nreqs; |
1639 | RETVAL = eio_nreqs (); |
1967 | OUTPUT: |
1640 | OUTPUT: |
1968 | RETVAL |
1641 | RETVAL |
1969 | |
1642 | |
1970 | int |
1643 | int |
1971 | nready() |
1644 | nready () |
1972 | PROTOTYPE: |
|
|
1973 | CODE: |
1645 | CODE: |
1974 | RETVAL = get_nready (); |
1646 | RETVAL = eio_nready (); |
1975 | OUTPUT: |
1647 | OUTPUT: |
1976 | RETVAL |
1648 | RETVAL |
1977 | |
1649 | |
1978 | int |
1650 | int |
1979 | npending() |
1651 | npending () |
1980 | PROTOTYPE: |
|
|
1981 | CODE: |
1652 | CODE: |
1982 | RETVAL = get_npending (); |
1653 | RETVAL = eio_npending (); |
1983 | OUTPUT: |
1654 | OUTPUT: |
1984 | RETVAL |
1655 | RETVAL |
1985 | |
1656 | |
1986 | int |
1657 | int |
1987 | nthreads() |
1658 | nthreads () |
1988 | PROTOTYPE: |
|
|
1989 | CODE: |
1659 | CODE: |
1990 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1660 | RETVAL = eio_nthreads (); |
1991 | RETVAL = started; |
|
|
1992 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1993 | OUTPUT: |
1661 | OUTPUT: |
1994 | RETVAL |
1662 | RETVAL |
1995 | |
1663 | |
|
|
1664 | int |
|
|
1665 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1666 | CODE: |
|
|
1667 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1668 | OUTPUT: |
|
|
1669 | RETVAL |
|
|
1670 | |
|
|
1671 | IV |
|
|
1672 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1673 | CODE: |
|
|
1674 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1675 | OUTPUT: |
|
|
1676 | RETVAL |
|
|
1677 | |
|
|
1678 | void |
|
|
1679 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1680 | PPCODE: |
|
|
1681 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1682 | { |
|
|
1683 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1684 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1685 | if (addr == (void *)-1) |
|
|
1686 | XSRETURN_NO; |
|
|
1687 | |
|
|
1688 | sv_force_normal (scalar); |
|
|
1689 | |
|
|
1690 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1691 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1692 | ->mg_obj = (SV *)length; |
|
|
1693 | |
|
|
1694 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1695 | |
|
|
1696 | if (!(prot & PROT_WRITE)) |
|
|
1697 | SvREADONLY_on (scalar); |
|
|
1698 | |
|
|
1699 | if (SvLEN (scalar)) |
|
|
1700 | Safefree (SvPVX (scalar)); |
|
|
1701 | |
|
|
1702 | SvPVX (scalar) = (char *)addr; |
|
|
1703 | SvCUR_set (scalar, length); |
|
|
1704 | SvLEN_set (scalar, 0); |
|
|
1705 | SvPOK_only (scalar); |
|
|
1706 | |
|
|
1707 | XSRETURN_YES; |
|
|
1708 | } |
|
|
1709 | |
|
|
1710 | void |
|
|
1711 | munmap (SV *scalar) |
|
|
1712 | CODE: |
|
|
1713 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1714 | |
|
|
1715 | int |
|
|
1716 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1717 | ALIAS: |
|
|
1718 | mprotect = 1 |
|
|
1719 | CODE: |
|
|
1720 | { |
|
|
1721 | STRLEN svlen; |
|
|
1722 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1723 | size_t len = SvUV (length); |
|
|
1724 | |
|
|
1725 | if (offset < 0) |
|
|
1726 | offset += svlen; |
|
|
1727 | |
|
|
1728 | if (offset < 0 || offset > svlen) |
|
|
1729 | croak ("offset outside of scalar"); |
|
|
1730 | |
|
|
1731 | if (!SvOK (length) || len + offset > svlen) |
|
|
1732 | len = svlen - offset; |
|
|
1733 | |
|
|
1734 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1735 | eio_page_align (&addr, &len); |
|
|
1736 | |
|
|
1737 | switch (ix) |
|
|
1738 | { |
|
|
1739 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1740 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1741 | } |
|
|
1742 | } |
|
|
1743 | OUTPUT: |
|
|
1744 | RETVAL |
|
|
1745 | |
|
|
1746 | int |
|
|
1747 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1748 | CODE: |
|
|
1749 | { |
|
|
1750 | STRLEN svlen; |
|
|
1751 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1752 | size_t len = SvUV (length); |
|
|
1753 | |
|
|
1754 | if (offset < 0) |
|
|
1755 | offset += svlen; |
|
|
1756 | |
|
|
1757 | if (offset < 0 || offset > svlen) |
|
|
1758 | croak ("offset outside of scalar"); |
|
|
1759 | |
|
|
1760 | if (!SvOK (length) || len + offset > svlen) |
|
|
1761 | len = svlen - offset; |
|
|
1762 | |
|
|
1763 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1764 | eio_page_align (&addr, &len); |
|
|
1765 | #if _POSIX_MEMLOCK_RANGE |
|
|
1766 | RETVAL = munlock (addr, len); |
|
|
1767 | #else |
|
|
1768 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1769 | #endif |
|
|
1770 | } |
|
|
1771 | OUTPUT: |
|
|
1772 | RETVAL |
|
|
1773 | |
|
|
1774 | int |
|
|
1775 | munlockall () |
|
|
1776 | CODE: |
|
|
1777 | #if _POSIX_MEMLOCK |
|
|
1778 | munlockall (); |
|
|
1779 | #else |
|
|
1780 | RETVAL = -1; |
|
|
1781 | errno = ENOSYS; |
|
|
1782 | #endif |
|
|
1783 | OUTPUT: |
|
|
1784 | RETVAL |
|
|
1785 | |
|
|
1786 | void _on_next_submit (SV *cb) |
|
|
1787 | CODE: |
|
|
1788 | SvREFCNT_dec (on_next_submit); |
|
|
1789 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1790 | |
1996 | PROTOTYPES: DISABLE |
1791 | PROTOTYPES: DISABLE |
|
|
1792 | |
|
|
1793 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1794 | |
|
|
1795 | BOOT: |
|
|
1796 | { |
|
|
1797 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1798 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | void |
|
|
1802 | DESTROY (SV *self) |
|
|
1803 | CODE: |
|
|
1804 | { |
|
|
1805 | aio_wd wd = SvAIO_WD (self); |
|
|
1806 | #if HAVE_AT |
|
|
1807 | { |
|
|
1808 | SV *callback = &PL_sv_undef; |
|
|
1809 | dREQ; /* clobbers next_pri :/ */ |
|
|
1810 | next_pri = req->pri; /* restore next_pri */ |
|
|
1811 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1812 | req->type = EIO_WD_CLOSE; |
|
|
1813 | req->wd = wd; |
|
|
1814 | REQ_SEND; |
|
|
1815 | } |
|
|
1816 | #else |
|
|
1817 | eio_wd_close_sync (wd); |
|
|
1818 | #endif |
|
|
1819 | } |
1997 | |
1820 | |
1998 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1821 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1999 | |
1822 | |
2000 | void |
1823 | void |
2001 | cancel (aio_req_ornot req) |
1824 | cancel (aio_req_ornot req) |
2002 | CODE: |
1825 | CODE: |
2003 | req_cancel (req); |
1826 | eio_cancel (req); |
2004 | |
1827 | |
2005 | void |
1828 | void |
2006 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1829 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2007 | CODE: |
1830 | PPCODE: |
|
|
1831 | { |
|
|
1832 | if (GIMME_V != G_VOID) |
|
|
1833 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1834 | |
|
|
1835 | if (items > 1) |
|
|
1836 | { |
|
|
1837 | SV *cb_cv =get_cb (callback); |
|
|
1838 | |
2008 | SvREFCNT_dec (req->callback); |
1839 | SvREFCNT_dec (req->callback); |
2009 | req->callback = newSVsv (callback); |
1840 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1841 | } |
|
|
1842 | } |
2010 | |
1843 | |
2011 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1844 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2012 | |
1845 | |
2013 | void |
1846 | void |
2014 | add (aio_req grp, ...) |
1847 | add (aio_req grp, ...) |
2015 | PPCODE: |
1848 | PPCODE: |
2016 | { |
1849 | { |
2017 | int i; |
1850 | int i; |
2018 | aio_req req; |
|
|
2019 | |
|
|
2020 | if (main_sig && !block_sig_level) |
|
|
2021 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2022 | |
1851 | |
2023 | if (grp->int1 == 2) |
1852 | if (grp->int1 == 2) |
2024 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1853 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2025 | |
1854 | |
2026 | for (i = 1; i < items; ++i ) |
1855 | for (i = 1; i < items; ++i ) |
2027 | { |
1856 | { |
|
|
1857 | aio_req req; |
|
|
1858 | |
2028 | if (GIMME_V != G_VOID) |
1859 | if (GIMME_V != G_VOID) |
2029 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1860 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2030 | |
1861 | |
2031 | req = SvAIO_REQ (ST (i)); |
1862 | req = SvAIO_REQ (ST (i)); |
2032 | |
1863 | |
2033 | if (req) |
1864 | if (req) |
2034 | { |
1865 | eio_grp_add (grp, req); |
2035 | ++grp->size; |
|
|
2036 | req->grp = grp; |
|
|
2037 | |
|
|
2038 | req->grp_prev = 0; |
|
|
2039 | req->grp_next = grp->grp_first; |
|
|
2040 | |
|
|
2041 | if (grp->grp_first) |
|
|
2042 | grp->grp_first->grp_prev = req; |
|
|
2043 | |
|
|
2044 | grp->grp_first = req; |
|
|
2045 | } |
|
|
2046 | } |
1866 | } |
2047 | } |
1867 | } |
2048 | |
1868 | |
2049 | void |
1869 | void |
2050 | cancel_subs (aio_req_ornot req) |
1870 | cancel_subs (aio_req_ornot req) |
… | |
… | |
2059 | AV *av; |
1879 | AV *av; |
2060 | |
1880 | |
2061 | grp->errorno = errno; |
1881 | grp->errorno = errno; |
2062 | |
1882 | |
2063 | av = newAV (); |
1883 | av = newAV (); |
|
|
1884 | av_extend (av, items - 1); |
2064 | |
1885 | |
2065 | for (i = 1; i < items; ++i ) |
1886 | for (i = 1; i < items; ++i ) |
2066 | av_push (av, newSVsv (ST (i))); |
1887 | av_push (av, newSVsv (ST (i))); |
2067 | |
1888 | |
2068 | SvREFCNT_dec (grp->sv1); |
1889 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
2075 | grp->errorno = errorno; |
1896 | grp->errorno = errorno; |
2076 | |
1897 | |
2077 | void |
1898 | void |
2078 | limit (aio_req grp, int limit) |
1899 | limit (aio_req grp, int limit) |
2079 | CODE: |
1900 | CODE: |
2080 | grp->int2 = limit; |
1901 | eio_grp_limit (grp, limit); |
2081 | aio_grp_feed (grp); |
|
|
2082 | |
1902 | |
2083 | void |
1903 | void |
2084 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1904 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2085 | CODE: |
1905 | CODE: |
2086 | { |
1906 | { |
2087 | SvREFCNT_dec (grp->sv2); |
1907 | SvREFCNT_dec (grp->sv2); |
2088 | grp->sv2 = newSVsv (callback); |
1908 | grp->sv2 = newSVsv (callback); |
|
|
1909 | grp->feed = aio_grp_feed; |
2089 | |
1910 | |
2090 | if (grp->int2 <= 0) |
1911 | if (grp->int2 <= 0) |
2091 | grp->int2 = 2; |
1912 | grp->int2 = 2; |
2092 | |
1913 | |
2093 | aio_grp_feed (grp); |
1914 | eio_grp_limit (grp, grp->int2); |
2094 | } |
1915 | } |
2095 | |
1916 | |