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