1 | #if __linux |
1 | #include "libeio/xthread.h" |
2 | # define _GNU_SOURCE |
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3 | #endif |
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4 | |
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5 | #define _REENTRANT 1 |
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6 | |
2 | |
7 | #include <errno.h> |
3 | #include <errno.h> |
8 | |
4 | |
9 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
10 | #include "perl.h" |
6 | #include "perl.h" |
11 | #include "XSUB.h" |
7 | #include "XSUB.h" |
12 | |
8 | |
13 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
14 | |
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15 | #include <pthread.h> |
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16 | |
10 | |
17 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
18 | #include <errno.h> |
13 | #include <errno.h> |
19 | #include <sys/time.h> |
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20 | #include <sys/select.h> |
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21 | #include <sys/types.h> |
14 | #include <sys/types.h> |
22 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
23 | #include <limits.h> |
16 | #include <limits.h> |
24 | #include <unistd.h> |
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25 | #include <fcntl.h> |
17 | #include <fcntl.h> |
26 | #include <signal.h> |
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27 | #include <sched.h> |
18 | #include <sched.h> |
28 | |
19 | |
29 | #if HAVE_SENDFILE |
20 | /* perl namespace pollution */ |
30 | # if __linux |
21 | #undef VERSION |
31 | # include <sys/sendfile.h> |
22 | |
32 | # elif __freebsd |
23 | #ifdef _WIN32 |
33 | # include <sys/socket.h> |
24 | |
34 | # include <sys/uio.h> |
25 | # define EIO_STRUCT_DIRENT Direntry_t |
35 | # elif __hpux |
26 | # undef malloc |
36 | # include <sys/socket.h> |
27 | # undef free |
37 | # elif __solaris /* not yet */ |
28 | |
38 | # include <sys/sendfile.h> |
29 | // perl overrides all those nice win32 functions |
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30 | # undef open |
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31 | # undef read |
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32 | # undef write |
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33 | # undef send |
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34 | # undef recv |
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35 | # undef stat |
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36 | # undef fstat |
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37 | # define lstat stat |
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38 | # undef truncate |
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39 | # undef ftruncate |
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40 | # undef open |
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41 | # undef close |
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42 | # undef unlink |
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43 | # undef rmdir |
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44 | # undef rename |
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45 | # undef lseek |
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46 | |
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47 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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48 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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49 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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50 | # define symlink(a,b) (errno = ENOSYS, -1) |
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51 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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52 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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53 | # define truncate(a,b) (errno = ENOSYS, -1) |
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54 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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55 | # define fsync(fd) _commit (fd) |
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56 | # define opendir(fd) (errno = ENOSYS, 0) |
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57 | # define readdir(fd) (errno = ENOSYS, -1) |
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58 | # define closedir(fd) (errno = ENOSYS, -1) |
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59 | # define mkdir(a,b) mkdir (a) |
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60 | |
39 | # else |
61 | #else |
40 | # error sendfile support requested but not available |
62 | |
41 | # endif |
63 | # include <sys/time.h> |
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64 | # include <sys/select.h> |
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65 | # include <unistd.h> |
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66 | # include <utime.h> |
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67 | # include <signal.h> |
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68 | # define EIO_STRUCT_DIRENT struct dirent |
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69 | |
42 | #endif |
70 | #endif |
43 | |
71 | |
44 | /* used for struct dirent, AIX doesn't provide it */ |
72 | /* perl stupidly overrides readdir and maybe others */ |
45 | #ifndef NAME_MAX |
73 | /* with thread-unsafe versions, imagine that :( */ |
46 | # define NAME_MAX 4096 |
74 | #undef readdir |
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75 | #undef opendir |
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76 | #undef closedir |
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77 | |
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78 | #define EIO_STRUCT_STAT Stat_t |
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79 | |
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80 | /* use NV for 32 bit perls as it allows larger offsets */ |
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81 | #if IVSIZE >= 8 |
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82 | # define VAL64 IV |
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83 | # define SvVAL64 SvIV |
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84 | # define newSVval64 newSViv |
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85 | #else |
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86 | # define VAL64 NV |
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87 | # define SvVAL64 SvNV |
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88 | # define newSVval64 newSVnv |
47 | #endif |
89 | #endif |
48 | |
90 | |
49 | #if __ia64 |
91 | /*****************************************************************************/ |
50 | # define STACKSIZE 65536 |
92 | |
51 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
93 | #if __GNUC__ >= 3 |
52 | # define STACKSIZE PTHREAD_STACK_MIN |
94 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
53 | #else |
95 | #else |
54 | # define STACKSIZE 16384 |
96 | # define expect(expr,value) (expr) |
55 | #endif |
97 | #endif |
56 | |
98 | |
57 | /* buffer size for various temporary buffers */ |
99 | #define expect_false(expr) expect ((expr) != 0, 0) |
58 | #define AIO_BUFSIZE 65536 |
100 | #define expect_true(expr) expect ((expr) != 0, 1) |
59 | |
101 | |
60 | #define dBUF \ |
102 | /*****************************************************************************/ |
61 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
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62 | if (!aio_buf) \ |
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63 | return -1; |
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64 | |
103 | |
65 | #define fBUF free (aio_buf) |
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; |
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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 | STRLEN stroffset; \ |
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114 | SV *self; |
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115 | |
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116 | #define EIO_NO_WRAPPERS 1 |
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117 | |
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118 | #include "libeio/eio.h" |
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119 | |
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120 | #ifndef POSIX_FADV_NORMAL |
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121 | # define POSIX_FADV_NORMAL 0 |
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122 | # define NO_FADVISE 1 |
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123 | #endif |
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124 | |
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125 | #ifndef POSIX_FADV_SEQUENTIAL |
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126 | # define POSIX_FADV_SEQUENTIAL 0 |
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127 | #endif |
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128 | |
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129 | #ifndef POSIX_FADV_RANDOM |
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130 | # define POSIX_FADV_RANDOM 0 |
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131 | #endif |
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132 | |
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133 | #ifndef POSIX_FADV_NOREUSE |
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134 | # define POSIX_FADV_NOREUSE 0 |
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135 | #endif |
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136 | |
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137 | #ifndef POSIX_FADV_WILLNEED |
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138 | # define POSIX_FADV_WILLNEED 0 |
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139 | #endif |
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140 | |
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141 | #ifndef POSIX_FADV_DONTNEED |
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142 | # define POSIX_FADV_DONTNEED 0 |
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143 | #endif |
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144 | |
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145 | static int req_invoke (eio_req *req); |
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146 | #define EIO_FINISH(req) req_invoke (req) |
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147 | static void req_destroy (eio_req *grp); |
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148 | #define EIO_DESTROY(req) req_destroy (req) |
66 | |
149 | |
67 | enum { |
150 | enum { |
68 | REQ_QUIT, |
151 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
69 | REQ_OPEN, REQ_CLOSE, |
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70 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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71 | REQ_SENDFILE, |
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72 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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73 | REQ_FSYNC, REQ_FDATASYNC, |
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74 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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75 | REQ_READDIR, |
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76 | REQ_LINK, REQ_SYMLINK, |
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77 | REQ_GROUP, REQ_NOP, |
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78 | REQ_SLEEP, |
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79 | }; |
152 | }; |
80 | |
153 | |
81 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
154 | #include "libeio/eio.c" |
82 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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83 | |
155 | |
84 | typedef struct aio_cb |
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85 | { |
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86 | struct aio_cb *volatile next; |
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87 | |
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88 | SV *data, *callback; |
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89 | SV *fh, *fh2; |
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90 | void *dataptr, *data2ptr; |
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91 | Stat_t *statdata; |
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92 | off_t offset; |
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93 | size_t length; |
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94 | ssize_t result; |
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95 | |
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96 | STRLEN dataoffset; |
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97 | int type; |
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98 | int fd, fd2; |
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99 | int errorno; |
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100 | mode_t mode; /* open */ |
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101 | |
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102 | unsigned char flags; |
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103 | unsigned char pri; |
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104 | |
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105 | SV *self; /* the perl counterpart of this request, if any */ |
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106 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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107 | } aio_cb; |
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108 | |
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109 | enum { |
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110 | FLAG_CANCELLED = 0x01, |
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111 | }; |
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112 | |
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113 | typedef aio_cb *aio_req; |
156 | typedef eio_req *aio_req; |
114 | typedef aio_cb *aio_req_ornot; |
157 | typedef eio_req *aio_req_ornot; |
115 | |
158 | |
116 | enum { |
159 | static SV *on_next_submit; |
117 | PRI_MIN = -4, |
160 | static int next_pri = EIO_PRI_DEFAULT; |
118 | PRI_MAX = 4, |
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119 | |
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120 | DEFAULT_PRI = 0, |
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121 | PRI_BIAS = -PRI_MIN, |
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122 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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123 | }; |
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124 | |
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125 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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126 | |
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127 | static int started, wanted; |
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128 | static volatile int nreqs; |
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129 | static int max_outstanding = 1<<30; |
161 | static int max_outstanding; |
130 | static int respipe [2]; |
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131 | |
162 | |
132 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
163 | static s_epipe respipe; |
133 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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134 | #else |
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135 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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136 | #endif |
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137 | |
164 | |
138 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
165 | static void req_destroy (aio_req req); |
139 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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140 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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141 | |
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142 | /* |
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143 | * a somewhat faster data structure might be nice, but |
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144 | * with 8 priorities this actually needs <20 insns |
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145 | * per shift, the most expensive operation. |
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146 | */ |
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147 | typedef struct { |
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148 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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149 | int size; |
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150 | } reqq; |
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151 | |
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152 | static reqq req_queue; |
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153 | static reqq res_queue; |
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154 | |
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155 | int reqq_push (reqq *q, aio_req req) |
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156 | { |
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157 | int pri = req->pri; |
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158 | req->next = 0; |
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159 | |
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160 | if (q->qe[pri]) |
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161 | { |
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162 | q->qe[pri]->next = req; |
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163 | q->qe[pri] = req; |
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164 | } |
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165 | else |
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166 | q->qe[pri] = q->qs[pri] = req; |
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167 | |
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168 | return q->size++; |
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169 | } |
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170 | |
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171 | aio_req reqq_shift (reqq *q) |
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172 | { |
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173 | int pri; |
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174 | |
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175 | if (!q->size) |
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176 | return 0; |
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177 | |
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178 | --q->size; |
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179 | |
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180 | for (pri = NUM_PRI; pri--; ) |
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181 | { |
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182 | aio_req req = q->qs[pri]; |
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183 | |
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184 | if (req) |
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185 | { |
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186 | if (!(q->qs[pri] = req->next)) |
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187 | q->qe[pri] = 0; |
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188 | |
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189 | return req; |
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190 | } |
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191 | } |
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192 | |
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193 | abort (); |
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194 | } |
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195 | |
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196 | static void req_invoke (aio_req req); |
166 | static void req_cancel (aio_req req); |
197 | static void req_free (aio_req req); |
167 | |
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168 | static void want_poll (void) |
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169 | { |
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170 | /* write a dummy byte to the pipe so fh becomes ready */ |
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171 | s_epipe_signal (&respipe); |
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172 | } |
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173 | |
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174 | static void done_poll (void) |
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175 | { |
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176 | /* read any signals sent by the worker threads */ |
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177 | s_epipe_drain (&respipe); |
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178 | } |
198 | |
179 | |
199 | /* must be called at most once */ |
180 | /* must be called at most once */ |
200 | static SV *req_sv (aio_req req, const char *klass) |
181 | static SV *req_sv (aio_req req, HV *stash) |
201 | { |
182 | { |
202 | if (!req->self) |
183 | if (!req->self) |
203 | { |
184 | { |
204 | req->self = (SV *)newHV (); |
185 | req->self = (SV *)newHV (); |
205 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
186 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
206 | } |
187 | } |
207 | |
188 | |
208 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
189 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
209 | } |
190 | } |
210 | |
191 | |
211 | static aio_req SvAIO_REQ (SV *sv) |
192 | static aio_req SvAIO_REQ (SV *sv) |
212 | { |
193 | { |
213 | MAGIC *mg; |
194 | MAGIC *mg; |
214 | |
195 | |
215 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
196 | if (!SvROK (sv) |
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197 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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198 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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199 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
216 | croak ("object of class " AIO_REQ_KLASS " expected"); |
200 | croak ("object of class IO::AIO::REQ expected"); |
217 | |
201 | |
218 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
202 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
219 | |
203 | |
220 | return mg ? (aio_req)mg->mg_ptr : 0; |
204 | return mg ? (aio_req)mg->mg_ptr : 0; |
221 | } |
205 | } |
222 | |
206 | |
223 | static void aio_grp_feed (aio_req grp) |
207 | static void aio_grp_feed (aio_req grp) |
224 | { |
208 | { |
225 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
209 | if (grp->sv2 && SvOK (grp->sv2)) |
226 | { |
210 | { |
227 | int old_len = grp->length; |
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228 | |
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229 | if (grp->fh2 && SvOK (grp->fh2)) |
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230 | { |
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231 | dSP; |
211 | dSP; |
232 | |
212 | |
233 | ENTER; |
213 | ENTER; |
234 | SAVETMPS; |
214 | SAVETMPS; |
235 | PUSHMARK (SP); |
215 | PUSHMARK (SP); |
236 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
216 | XPUSHs (req_sv (grp, aio_grp_stash)); |
237 | PUTBACK; |
217 | PUTBACK; |
238 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
218 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
239 | SPAGAIN; |
219 | SPAGAIN; |
240 | FREETMPS; |
220 | FREETMPS; |
241 | LEAVE; |
221 | LEAVE; |
242 | } |
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243 | |
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244 | /* stop if no progress has been made */ |
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245 | if (old_len == grp->length) |
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246 | { |
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247 | SvREFCNT_dec (grp->fh2); |
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248 | grp->fh2 = 0; |
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249 | break; |
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250 | } |
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251 | } |
222 | } |
252 | } |
223 | } |
253 | |
224 | |
254 | static void aio_grp_dec (aio_req grp) |
225 | static void req_submit (eio_req *req) |
255 | { |
226 | { |
256 | --grp->length; |
227 | eio_submit (req); |
257 | |
228 | |
258 | /* call feeder, if applicable */ |
229 | if (expect_false (on_next_submit)) |
259 | aio_grp_feed (grp); |
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260 | |
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261 | /* finish, if done */ |
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262 | if (!grp->length && grp->fd) |
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263 | { |
230 | { |
264 | req_invoke (grp); |
231 | dSP; |
265 | req_free (grp); |
232 | SV *cb = sv_2mortal (on_next_submit); |
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233 | |
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234 | on_next_submit = 0; |
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235 | |
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236 | PUSHMARK (SP); |
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237 | PUTBACK; |
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238 | call_sv (cb, G_DISCARD | G_EVAL); |
266 | } |
239 | } |
267 | } |
240 | } |
268 | |
241 | |
269 | static void poll_wait () |
242 | static int req_invoke (eio_req *req) |
270 | { |
243 | { |
271 | fd_set rfd; |
244 | dSP; |
272 | |
245 | |
273 | while (nreqs) |
246 | if (req->flags & FLAG_SV2_RO_OFF) |
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247 | SvREADONLY_off (req->sv2); |
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248 | |
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249 | if (!EIO_CANCELLED (req) && req->callback) |
274 | { |
250 | { |
275 | int size; |
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276 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
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277 | pthread_mutex_lock (&reslock); |
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278 | #endif |
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279 | size = res_queue.size; |
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280 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
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281 | pthread_mutex_unlock (&reslock); |
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282 | #endif |
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283 | |
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284 | if (size) |
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285 | return; |
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286 | |
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287 | FD_ZERO(&rfd); |
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288 | FD_SET(respipe [0], &rfd); |
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289 | |
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290 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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291 | } |
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292 | } |
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293 | |
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294 | static void req_invoke (aio_req req) |
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295 | { |
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296 | dSP; |
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297 | |
|
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298 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
|
|
299 | { |
|
|
300 | errno = req->errorno; |
|
|
301 | |
|
|
302 | ENTER; |
251 | ENTER; |
303 | SAVETMPS; |
252 | SAVETMPS; |
304 | PUSHMARK (SP); |
253 | PUSHMARK (SP); |
305 | EXTEND (SP, 1); |
254 | EXTEND (SP, 1); |
306 | |
255 | |
307 | switch (req->type) |
256 | switch (req->type) |
308 | { |
257 | { |
309 | case REQ_READDIR: |
258 | case EIO_READDIR: |
310 | { |
259 | { |
311 | SV *rv = &PL_sv_undef; |
260 | SV *rv = &PL_sv_undef; |
312 | |
261 | |
313 | if (req->result >= 0) |
262 | if (req->result >= 0) |
314 | { |
263 | { |
|
|
264 | int i; |
315 | char *buf = req->data2ptr; |
265 | char *names = (char *)req->ptr2; |
|
|
266 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
316 | AV *av = newAV (); |
267 | AV *av = newAV (); |
317 | |
268 | |
318 | while (req->result) |
269 | av_extend (av, req->result - 1); |
|
|
270 | |
|
|
271 | for (i = 0; i < req->result; ++i) |
319 | { |
272 | { |
|
|
273 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
274 | { |
|
|
275 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
276 | |
|
|
277 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
278 | { |
|
|
279 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
280 | AV *avent = newAV (); |
|
|
281 | |
|
|
282 | av_extend (avent, 2); |
|
|
283 | |
|
|
284 | if (!sv_type [ent->type]) |
|
|
285 | { |
|
|
286 | sv_type [ent->type] = newSViv (ent->type); |
|
|
287 | SvREADONLY_on (sv_type [ent->type]); |
|
|
288 | } |
|
|
289 | |
|
|
290 | av_store (avent, 0, namesv); |
|
|
291 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
292 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
293 | |
|
|
294 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
295 | } |
|
|
296 | else |
|
|
297 | av_store (av, i, namesv); |
|
|
298 | |
|
|
299 | ++ent; |
|
|
300 | } |
|
|
301 | else |
|
|
302 | { |
320 | SV *sv = newSVpv (buf, 0); |
303 | SV *name = newSVpv (names, 0); |
321 | |
|
|
322 | av_push (av, sv); |
304 | av_store (av, i, name); |
323 | buf += SvCUR (sv) + 1; |
305 | names += SvCUR (name) + 1; |
324 | req->result--; |
306 | } |
325 | } |
307 | } |
326 | |
308 | |
327 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
309 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
328 | } |
310 | } |
329 | |
311 | |
330 | PUSHs (rv); |
312 | PUSHs (rv); |
|
|
313 | |
|
|
314 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
315 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
331 | } |
316 | } |
332 | break; |
317 | break; |
333 | |
318 | |
334 | case REQ_OPEN: |
319 | case EIO_OPEN: |
335 | { |
320 | { |
336 | /* convert fd to fh */ |
321 | /* convert fd to fh */ |
337 | SV *fh; |
322 | SV *fh = &PL_sv_undef; |
338 | |
323 | |
339 | PUSHs (sv_2mortal (newSViv (req->result))); |
324 | if (req->result >= 0) |
340 | PUTBACK; |
325 | { |
341 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
326 | GV *gv = (GV *)sv_newmortal (); |
342 | SPAGAIN; |
327 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
328 | char sym [64]; |
|
|
329 | int symlen; |
|
|
330 | |
|
|
331 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
332 | gv_init (gv, aio_stash, sym, symlen, 0); |
343 | |
333 | |
344 | fh = SvREFCNT_inc (POPs); |
334 | symlen = snprintf ( |
|
|
335 | sym, |
|
|
336 | sizeof (sym), |
|
|
337 | "%s&=%d", |
|
|
338 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
339 | (int)req->result |
|
|
340 | ); |
345 | |
341 | |
|
|
342 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
343 | fh = (SV *)gv; |
|
|
344 | } |
|
|
345 | |
346 | PUSHMARK (SP); |
346 | PUSHs (fh); |
347 | XPUSHs (sv_2mortal (fh)); |
|
|
348 | } |
347 | } |
349 | break; |
348 | break; |
350 | |
349 | |
351 | case REQ_GROUP: |
350 | case EIO_GROUP: |
352 | req->fd = 2; /* mark group as finished */ |
351 | req->int1 = 2; /* mark group as finished */ |
353 | |
352 | |
354 | if (req->data) |
353 | if (req->sv1) |
355 | { |
354 | { |
356 | int i; |
355 | int i; |
357 | AV *av = (AV *)req->data; |
356 | AV *av = (AV *)req->sv1; |
358 | |
357 | |
359 | EXTEND (SP, AvFILL (av) + 1); |
358 | EXTEND (SP, AvFILL (av) + 1); |
360 | for (i = 0; i <= AvFILL (av); ++i) |
359 | for (i = 0; i <= AvFILL (av); ++i) |
361 | PUSHs (*av_fetch (av, i, 0)); |
360 | PUSHs (*av_fetch (av, i, 0)); |
362 | } |
361 | } |
363 | break; |
362 | break; |
364 | |
363 | |
365 | case REQ_NOP: |
364 | case EIO_NOP: |
366 | case REQ_SLEEP: |
365 | case EIO_BUSY: |
367 | break; |
366 | break; |
|
|
367 | |
|
|
368 | case EIO_READLINK: |
|
|
369 | if (req->result > 0) |
|
|
370 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
371 | break; |
|
|
372 | |
|
|
373 | case EIO_STAT: |
|
|
374 | case EIO_LSTAT: |
|
|
375 | case EIO_FSTAT: |
|
|
376 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
377 | PL_laststatval = req->result; |
|
|
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
380 | break; |
|
|
381 | |
|
|
382 | case EIO_READ: |
|
|
383 | { |
|
|
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
385 | *SvEND (req->sv2) = 0; |
|
|
386 | SvPOK_only (req->sv2); |
|
|
387 | SvSETMAGIC (req->sv2); |
|
|
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
389 | } |
|
|
390 | break; |
|
|
391 | |
|
|
392 | case EIO_DUP2: |
|
|
393 | if (req->result > 0) |
|
|
394 | req->result = 0; |
|
|
395 | /* FALLTHROUGH */ |
368 | |
396 | |
369 | default: |
397 | default: |
370 | PUSHs (sv_2mortal (newSViv (req->result))); |
398 | PUSHs (sv_2mortal (newSViv (req->result))); |
371 | break; |
399 | break; |
372 | } |
400 | } |
373 | |
401 | |
|
|
402 | errno = req->errorno; |
374 | |
403 | |
375 | PUTBACK; |
404 | PUTBACK; |
376 | call_sv (req->callback, G_VOID | G_EVAL); |
405 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
377 | SPAGAIN; |
406 | SPAGAIN; |
378 | |
407 | |
379 | FREETMPS; |
408 | FREETMPS; |
380 | LEAVE; |
409 | LEAVE; |
|
|
410 | |
|
|
411 | PUTBACK; |
381 | } |
412 | } |
382 | |
413 | |
383 | if (req->grp) |
414 | return !!SvTRUE (ERRSV); |
384 | { |
|
|
385 | aio_req grp = req->grp; |
|
|
386 | |
|
|
387 | /* unlink request */ |
|
|
388 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
389 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
390 | |
|
|
391 | if (grp->grp_first == req) |
|
|
392 | grp->grp_first = req->grp_next; |
|
|
393 | |
|
|
394 | aio_grp_dec (grp); |
|
|
395 | } |
|
|
396 | |
|
|
397 | if (SvTRUE (ERRSV)) |
|
|
398 | { |
|
|
399 | req_free (req); |
|
|
400 | croak (0); |
|
|
401 | } |
|
|
402 | } |
415 | } |
403 | |
416 | |
404 | static void req_free (aio_req req) |
417 | static void req_destroy (aio_req req) |
405 | { |
418 | { |
406 | if (req->self) |
419 | if (req->self) |
407 | { |
420 | { |
408 | sv_unmagic (req->self, PERL_MAGIC_ext); |
421 | sv_unmagic (req->self, PERL_MAGIC_ext); |
409 | SvREFCNT_dec (req->self); |
422 | SvREFCNT_dec (req->self); |
410 | } |
423 | } |
411 | |
424 | |
412 | SvREFCNT_dec (req->data); |
|
|
413 | SvREFCNT_dec (req->fh); |
425 | SvREFCNT_dec (req->sv1); |
414 | SvREFCNT_dec (req->fh2); |
426 | SvREFCNT_dec (req->sv2); |
415 | SvREFCNT_dec (req->callback); |
427 | SvREFCNT_dec (req->callback); |
416 | Safefree (req->statdata); |
|
|
417 | |
|
|
418 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
419 | free (req->data2ptr); |
|
|
420 | |
428 | |
421 | Safefree (req); |
429 | Safefree (req); |
422 | } |
430 | } |
423 | |
431 | |
424 | static void req_cancel (aio_req req) |
432 | static void req_cancel_subs (aio_req grp) |
425 | { |
433 | { |
426 | req->flags |= FLAG_CANCELLED; |
434 | aio_req sub; |
427 | |
435 | |
428 | if (req->type == REQ_GROUP) |
436 | if (grp->type != EIO_GROUP) |
|
|
437 | return; |
|
|
438 | |
|
|
439 | SvREFCNT_dec (grp->sv2); |
|
|
440 | grp->sv2 = 0; |
|
|
441 | |
|
|
442 | eio_grp_cancel (grp); |
|
|
443 | } |
|
|
444 | |
|
|
445 | static void |
|
|
446 | create_respipe (void) |
|
|
447 | { |
|
|
448 | if (s_epipe_renew (&respipe)) |
|
|
449 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
450 | } |
|
|
451 | |
|
|
452 | static void poll_wait (void) |
|
|
453 | { |
|
|
454 | while (eio_nreqs ()) |
429 | { |
455 | { |
430 | aio_req sub; |
456 | int size; |
431 | |
457 | |
432 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
458 | X_LOCK (reslock); |
433 | req_cancel (sub); |
459 | size = res_queue.size; |
|
|
460 | X_UNLOCK (reslock); |
|
|
461 | |
|
|
462 | if (size) |
|
|
463 | return; |
|
|
464 | |
|
|
465 | etp_maybe_start_thread (); |
|
|
466 | |
|
|
467 | s_epipe_wait (&respipe); |
434 | } |
468 | } |
435 | } |
469 | } |
436 | |
470 | |
437 | static int poll_cb () |
471 | static int poll_cb (void) |
438 | { |
472 | { |
439 | dSP; |
|
|
440 | int count = 0; |
|
|
441 | int do_croak = 0; |
|
|
442 | aio_req req; |
|
|
443 | |
|
|
444 | for (;;) |
473 | for (;;) |
445 | { |
474 | { |
446 | pthread_mutex_lock (&reslock); |
475 | int res = eio_poll (); |
447 | req = reqq_shift (&res_queue); |
|
|
448 | |
476 | |
449 | if (req) |
477 | if (res > 0) |
450 | { |
|
|
451 | if (!res_queue.size) |
|
|
452 | { |
|
|
453 | /* read any signals sent by the worker threads */ |
|
|
454 | char buf [32]; |
|
|
455 | while (read (respipe [0], buf, 32) == 32) |
|
|
456 | ; |
|
|
457 | } |
|
|
458 | } |
|
|
459 | |
|
|
460 | pthread_mutex_unlock (&reslock); |
|
|
461 | |
|
|
462 | if (!req) |
|
|
463 | break; |
478 | croak (0); |
464 | |
479 | |
465 | --nreqs; |
480 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
481 | return res; |
466 | |
482 | |
467 | if (req->type == REQ_QUIT) |
483 | poll_wait (); |
468 | started--; |
|
|
469 | else if (req->type == REQ_GROUP && req->length) |
|
|
470 | { |
|
|
471 | req->fd = 1; /* mark request as delayed */ |
|
|
472 | continue; |
|
|
473 | } |
|
|
474 | else |
|
|
475 | { |
|
|
476 | if (req->type == REQ_READ) |
|
|
477 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
478 | |
|
|
479 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
480 | SvREADONLY_off (req->data); |
|
|
481 | |
|
|
482 | if (req->statdata) |
|
|
483 | { |
|
|
484 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
485 | PL_laststatval = req->result; |
|
|
486 | PL_statcache = *(req->statdata); |
|
|
487 | } |
|
|
488 | |
|
|
489 | req_invoke (req); |
|
|
490 | |
|
|
491 | count++; |
|
|
492 | } |
|
|
493 | |
|
|
494 | req_free (req); |
|
|
495 | } |
484 | } |
496 | |
|
|
497 | return count; |
|
|
498 | } |
|
|
499 | |
|
|
500 | static void *aio_proc(void *arg); |
|
|
501 | |
|
|
502 | static void start_thread (void) |
|
|
503 | { |
|
|
504 | sigset_t fullsigset, oldsigset; |
|
|
505 | pthread_t tid; |
|
|
506 | pthread_attr_t attr; |
|
|
507 | |
|
|
508 | pthread_attr_init (&attr); |
|
|
509 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
510 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
511 | |
|
|
512 | sigfillset (&fullsigset); |
|
|
513 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
514 | |
|
|
515 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
516 | started++; |
|
|
517 | |
|
|
518 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
519 | } |
|
|
520 | |
|
|
521 | static void req_send (aio_req req) |
|
|
522 | { |
|
|
523 | while (started < wanted && nreqs >= started) |
|
|
524 | start_thread (); |
|
|
525 | |
|
|
526 | ++nreqs; |
|
|
527 | |
|
|
528 | pthread_mutex_lock (&reqlock); |
|
|
529 | reqq_push (&req_queue, req); |
|
|
530 | pthread_cond_signal (&reqwait); |
|
|
531 | pthread_mutex_unlock (&reqlock); |
|
|
532 | |
|
|
533 | if (nreqs > max_outstanding) |
|
|
534 | for (;;) |
|
|
535 | { |
|
|
536 | poll_cb (); |
|
|
537 | |
|
|
538 | if (nreqs <= max_outstanding) |
|
|
539 | break; |
|
|
540 | |
|
|
541 | poll_wait (); |
|
|
542 | } |
|
|
543 | } |
|
|
544 | |
|
|
545 | static void end_thread (void) |
|
|
546 | { |
|
|
547 | aio_req req; |
|
|
548 | |
|
|
549 | Newz (0, req, 1, aio_cb); |
|
|
550 | |
|
|
551 | req->type = REQ_QUIT; |
|
|
552 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
553 | |
|
|
554 | req_send (req); |
|
|
555 | } |
|
|
556 | |
|
|
557 | static void min_parallel (int nthreads) |
|
|
558 | { |
|
|
559 | if (wanted < nthreads) |
|
|
560 | wanted = nthreads; |
|
|
561 | } |
|
|
562 | |
|
|
563 | static void max_parallel (int nthreads) |
|
|
564 | { |
|
|
565 | int cur = started; |
|
|
566 | |
|
|
567 | if (wanted > nthreads) |
|
|
568 | wanted = nthreads; |
|
|
569 | |
|
|
570 | while (cur > wanted) |
|
|
571 | { |
|
|
572 | end_thread (); |
|
|
573 | cur--; |
|
|
574 | } |
|
|
575 | |
|
|
576 | while (started > wanted) |
|
|
577 | { |
|
|
578 | poll_wait (); |
|
|
579 | poll_cb (); |
|
|
580 | } |
|
|
581 | } |
|
|
582 | |
|
|
583 | static void create_pipe () |
|
|
584 | { |
|
|
585 | if (pipe (respipe)) |
|
|
586 | croak ("unable to initialize result pipe"); |
|
|
587 | |
|
|
588 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
589 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
590 | |
|
|
591 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
592 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
593 | } |
|
|
594 | |
|
|
595 | /*****************************************************************************/ |
|
|
596 | /* work around various missing functions */ |
|
|
597 | |
|
|
598 | #if !HAVE_PREADWRITE |
|
|
599 | # define pread aio_pread |
|
|
600 | # define pwrite aio_pwrite |
|
|
601 | |
|
|
602 | /* |
|
|
603 | * make our pread/pwrite safe against themselves, but not against |
|
|
604 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
605 | * but that's your problem, not mine. |
|
|
606 | */ |
|
|
607 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
608 | |
|
|
609 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
610 | { |
|
|
611 | ssize_t res; |
|
|
612 | off_t ooffset; |
|
|
613 | |
|
|
614 | pthread_mutex_lock (&preadwritelock); |
|
|
615 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
616 | lseek (fd, offset, SEEK_SET); |
|
|
617 | res = read (fd, buf, count); |
|
|
618 | lseek (fd, ooffset, SEEK_SET); |
|
|
619 | pthread_mutex_unlock (&preadwritelock); |
|
|
620 | |
|
|
621 | return res; |
|
|
622 | } |
|
|
623 | |
|
|
624 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
625 | { |
|
|
626 | ssize_t res; |
|
|
627 | off_t ooffset; |
|
|
628 | |
|
|
629 | pthread_mutex_lock (&preadwritelock); |
|
|
630 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
631 | lseek (fd, offset, SEEK_SET); |
|
|
632 | res = write (fd, buf, count); |
|
|
633 | lseek (fd, offset, SEEK_SET); |
|
|
634 | pthread_mutex_unlock (&preadwritelock); |
|
|
635 | |
|
|
636 | return res; |
|
|
637 | } |
|
|
638 | #endif |
|
|
639 | |
|
|
640 | #if !HAVE_FDATASYNC |
|
|
641 | # define fdatasync fsync |
|
|
642 | #endif |
|
|
643 | |
|
|
644 | #if !HAVE_READAHEAD |
|
|
645 | # define readahead aio_readahead |
|
|
646 | |
|
|
647 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
648 | { |
|
|
649 | dBUF; |
|
|
650 | |
|
|
651 | while (count > 0) |
|
|
652 | { |
|
|
653 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
654 | |
|
|
655 | pread (fd, aio_buf, len, offset); |
|
|
656 | offset += len; |
|
|
657 | count -= len; |
|
|
658 | } |
|
|
659 | |
|
|
660 | fBUF; |
|
|
661 | |
|
|
662 | errno = 0; |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | |
|
|
666 | #if !HAVE_READDIR_R |
|
|
667 | # define readdir_r aio_readdir_r |
|
|
668 | |
|
|
669 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
670 | |
|
|
671 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
672 | { |
|
|
673 | struct dirent *e; |
|
|
674 | int errorno; |
|
|
675 | |
|
|
676 | pthread_mutex_lock (&readdirlock); |
|
|
677 | |
|
|
678 | e = readdir (dirp); |
|
|
679 | errorno = errno; |
|
|
680 | |
|
|
681 | if (e) |
|
|
682 | { |
|
|
683 | *res = ent; |
|
|
684 | strcpy (ent->d_name, e->d_name); |
|
|
685 | } |
|
|
686 | else |
|
|
687 | *res = 0; |
|
|
688 | |
|
|
689 | pthread_mutex_unlock (&readdirlock); |
|
|
690 | |
|
|
691 | errno = errorno; |
|
|
692 | return e ? 0 : -1; |
|
|
693 | } |
|
|
694 | #endif |
|
|
695 | |
|
|
696 | /* sendfile always needs emulation */ |
|
|
697 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
698 | { |
|
|
699 | ssize_t res; |
|
|
700 | |
|
|
701 | if (!count) |
|
|
702 | return 0; |
|
|
703 | |
|
|
704 | #if HAVE_SENDFILE |
|
|
705 | # if __linux |
|
|
706 | res = sendfile (ofd, ifd, &offset, count); |
|
|
707 | |
|
|
708 | # elif __freebsd |
|
|
709 | /* |
|
|
710 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
711 | * wasted on making it similar to other I/O functions. |
|
|
712 | */ |
|
|
713 | { |
|
|
714 | off_t sbytes; |
|
|
715 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
716 | |
|
|
717 | if (res < 0 && sbytes) |
|
|
718 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
719 | res = sbytes; |
|
|
720 | } |
|
|
721 | |
|
|
722 | # elif __hpux |
|
|
723 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
724 | |
|
|
725 | # elif __solaris |
|
|
726 | { |
|
|
727 | struct sendfilevec vec; |
|
|
728 | size_t sbytes; |
|
|
729 | |
|
|
730 | vec.sfv_fd = ifd; |
|
|
731 | vec.sfv_flag = 0; |
|
|
732 | vec.sfv_off = offset; |
|
|
733 | vec.sfv_len = count; |
|
|
734 | |
|
|
735 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
736 | |
|
|
737 | if (res < 0 && sbytes) |
|
|
738 | res = sbytes; |
|
|
739 | } |
|
|
740 | |
|
|
741 | # endif |
|
|
742 | #else |
|
|
743 | res = -1; |
|
|
744 | errno = ENOSYS; |
|
|
745 | #endif |
|
|
746 | |
|
|
747 | if (res < 0 |
|
|
748 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
749 | #if __solaris |
|
|
750 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
751 | #endif |
|
|
752 | ) |
|
|
753 | ) |
|
|
754 | { |
|
|
755 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
756 | dBUF; |
|
|
757 | |
|
|
758 | res = 0; |
|
|
759 | |
|
|
760 | while (count) |
|
|
761 | { |
|
|
762 | ssize_t cnt; |
|
|
763 | |
|
|
764 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
765 | |
|
|
766 | if (cnt <= 0) |
|
|
767 | { |
|
|
768 | if (cnt && !res) res = -1; |
|
|
769 | break; |
|
|
770 | } |
|
|
771 | |
|
|
772 | cnt = write (ofd, aio_buf, cnt); |
|
|
773 | |
|
|
774 | if (cnt <= 0) |
|
|
775 | { |
|
|
776 | if (cnt && !res) res = -1; |
|
|
777 | break; |
|
|
778 | } |
|
|
779 | |
|
|
780 | offset += cnt; |
|
|
781 | res += cnt; |
|
|
782 | count -= cnt; |
|
|
783 | } |
|
|
784 | |
|
|
785 | fBUF; |
|
|
786 | } |
|
|
787 | |
|
|
788 | return res; |
|
|
789 | } |
|
|
790 | |
|
|
791 | /* read a full directory */ |
|
|
792 | static int scandir_ (const char *path, void **namesp) |
|
|
793 | { |
|
|
794 | DIR *dirp; |
|
|
795 | union |
|
|
796 | { |
|
|
797 | struct dirent d; |
|
|
798 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
799 | } *u; |
|
|
800 | struct dirent *entp; |
|
|
801 | char *name, *names; |
|
|
802 | int memlen = 4096; |
|
|
803 | int memofs = 0; |
|
|
804 | int res = 0; |
|
|
805 | int errorno; |
|
|
806 | |
|
|
807 | dirp = opendir (path); |
|
|
808 | if (!dirp) |
|
|
809 | return -1; |
|
|
810 | |
|
|
811 | u = malloc (sizeof (*u)); |
|
|
812 | names = malloc (memlen); |
|
|
813 | |
|
|
814 | if (u && names) |
|
|
815 | for (;;) |
|
|
816 | { |
|
|
817 | errno = 0; |
|
|
818 | readdir_r (dirp, &u->d, &entp); |
|
|
819 | |
|
|
820 | if (!entp) |
|
|
821 | break; |
|
|
822 | |
|
|
823 | name = entp->d_name; |
|
|
824 | |
|
|
825 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
826 | { |
|
|
827 | int len = strlen (name) + 1; |
|
|
828 | |
|
|
829 | res++; |
|
|
830 | |
|
|
831 | while (memofs + len > memlen) |
|
|
832 | { |
|
|
833 | memlen *= 2; |
|
|
834 | names = realloc (names, memlen); |
|
|
835 | if (!names) |
|
|
836 | break; |
|
|
837 | } |
|
|
838 | |
|
|
839 | memcpy (names + memofs, name, len); |
|
|
840 | memofs += len; |
|
|
841 | } |
|
|
842 | } |
|
|
843 | |
|
|
844 | errorno = errno; |
|
|
845 | free (u); |
|
|
846 | closedir (dirp); |
|
|
847 | |
|
|
848 | if (errorno) |
|
|
849 | { |
|
|
850 | free (names); |
|
|
851 | errno = errorno; |
|
|
852 | res = -1; |
|
|
853 | } |
|
|
854 | |
|
|
855 | *namesp = (void *)names; |
|
|
856 | return res; |
|
|
857 | } |
|
|
858 | |
|
|
859 | /*****************************************************************************/ |
|
|
860 | |
|
|
861 | static void *aio_proc (void *thr_arg) |
|
|
862 | { |
|
|
863 | aio_req req; |
|
|
864 | int type; |
|
|
865 | |
|
|
866 | do |
|
|
867 | { |
|
|
868 | pthread_mutex_lock (&reqlock); |
|
|
869 | |
|
|
870 | for (;;) |
|
|
871 | { |
|
|
872 | req = reqq_shift (&req_queue); |
|
|
873 | |
|
|
874 | if (req) |
|
|
875 | break; |
|
|
876 | |
|
|
877 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
878 | } |
|
|
879 | |
|
|
880 | pthread_mutex_unlock (&reqlock); |
|
|
881 | |
|
|
882 | errno = 0; /* strictly unnecessary */ |
|
|
883 | type = req->type; /* remember type for QUIT check */ |
|
|
884 | |
|
|
885 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
886 | switch (type) |
|
|
887 | { |
|
|
888 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
889 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
890 | |
|
|
891 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
892 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
893 | |
|
|
894 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
895 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
896 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
897 | |
|
|
898 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
899 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
900 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
901 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
902 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
903 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
904 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
905 | |
|
|
906 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
907 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
908 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
909 | |
|
|
910 | case REQ_SLEEP: |
|
|
911 | { |
|
|
912 | struct timeval tv; |
|
|
913 | |
|
|
914 | tv.tv_sec = req->fd; |
|
|
915 | tv.tv_usec = req->fd2; |
|
|
916 | |
|
|
917 | req->result = select (0, 0, 0, 0, &tv); |
|
|
918 | } |
|
|
919 | |
|
|
920 | case REQ_GROUP: |
|
|
921 | case REQ_NOP: |
|
|
922 | case REQ_QUIT: |
|
|
923 | break; |
|
|
924 | |
|
|
925 | default: |
|
|
926 | req->result = ENOSYS; |
|
|
927 | break; |
|
|
928 | } |
|
|
929 | |
|
|
930 | req->errorno = errno; |
|
|
931 | |
|
|
932 | pthread_mutex_lock (&reslock); |
|
|
933 | |
|
|
934 | if (!reqq_push (&res_queue, req)) |
|
|
935 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
936 | write (respipe [1], &respipe, 1); |
|
|
937 | |
|
|
938 | pthread_mutex_unlock (&reslock); |
|
|
939 | } |
|
|
940 | while (type != REQ_QUIT); |
|
|
941 | |
|
|
942 | return 0; |
|
|
943 | } |
|
|
944 | |
|
|
945 | /*****************************************************************************/ |
|
|
946 | |
|
|
947 | static void atfork_prepare (void) |
|
|
948 | { |
|
|
949 | pthread_mutex_lock (&reqlock); |
|
|
950 | pthread_mutex_lock (&reslock); |
|
|
951 | #if !HAVE_PREADWRITE |
|
|
952 | pthread_mutex_lock (&preadwritelock); |
|
|
953 | #endif |
|
|
954 | #if !HAVE_READDIR_R |
|
|
955 | pthread_mutex_lock (&readdirlock); |
|
|
956 | #endif |
|
|
957 | } |
|
|
958 | |
|
|
959 | static void atfork_parent (void) |
|
|
960 | { |
|
|
961 | #if !HAVE_READDIR_R |
|
|
962 | pthread_mutex_unlock (&readdirlock); |
|
|
963 | #endif |
|
|
964 | #if !HAVE_PREADWRITE |
|
|
965 | pthread_mutex_unlock (&preadwritelock); |
|
|
966 | #endif |
|
|
967 | pthread_mutex_unlock (&reslock); |
|
|
968 | pthread_mutex_unlock (&reqlock); |
|
|
969 | } |
485 | } |
970 | |
486 | |
971 | static void atfork_child (void) |
487 | static void atfork_child (void) |
972 | { |
488 | { |
973 | aio_req prv; |
|
|
974 | |
|
|
975 | started = 0; |
|
|
976 | |
|
|
977 | while (prv = reqq_shift (&req_queue)) |
|
|
978 | req_free (prv); |
|
|
979 | |
|
|
980 | while (prv = reqq_shift (&res_queue)) |
|
|
981 | req_free (prv); |
|
|
982 | |
|
|
983 | close (respipe [0]); |
|
|
984 | close (respipe [1]); |
|
|
985 | create_pipe (); |
489 | create_respipe (); |
|
|
490 | } |
986 | |
491 | |
987 | atfork_parent (); |
492 | static SV * |
|
|
493 | get_cb (SV *cb_sv) |
|
|
494 | { |
|
|
495 | SvGETMAGIC (cb_sv); |
|
|
496 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
988 | } |
497 | } |
989 | |
498 | |
990 | #define dREQ \ |
499 | #define dREQ \ |
|
|
500 | SV *cb_cv; \ |
991 | aio_req req; \ |
501 | aio_req req; \ |
992 | int req_pri = next_pri; \ |
502 | int req_pri = next_pri; \ |
993 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
503 | next_pri = EIO_PRI_DEFAULT; \ |
994 | \ |
504 | \ |
995 | if (SvOK (callback) && !SvROK (callback)) \ |
505 | cb_cv = get_cb (callback); \ |
996 | croak ("callback must be undef or of reference type"); \ |
|
|
997 | \ |
506 | \ |
998 | Newz (0, req, 1, aio_cb); \ |
507 | Newz (0, req, 1, eio_req); \ |
999 | if (!req) \ |
508 | if (!req) \ |
1000 | croak ("out of memory during aio_req allocation"); \ |
509 | croak ("out of memory during eio_req allocation"); \ |
1001 | \ |
510 | \ |
1002 | req->callback = newSVsv (callback); \ |
511 | req->callback = SvREFCNT_inc (cb_cv); \ |
1003 | req->pri = req_pri |
512 | req->pri = req_pri |
1004 | |
513 | |
1005 | #define REQ_SEND \ |
514 | #define REQ_SEND \ |
|
|
515 | PUTBACK; \ |
1006 | req_send (req); \ |
516 | req_submit (req); \ |
|
|
517 | SPAGAIN; \ |
1007 | \ |
518 | \ |
1008 | if (GIMME_V != G_VOID) \ |
519 | if (GIMME_V != G_VOID) \ |
1009 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
520 | XPUSHs (req_sv (req, aio_req_stash)); |
1010 | |
521 | |
1011 | MODULE = IO::AIO PACKAGE = IO::AIO |
522 | MODULE = IO::AIO PACKAGE = IO::AIO |
1012 | |
523 | |
1013 | PROTOTYPES: ENABLE |
524 | PROTOTYPES: ENABLE |
1014 | |
525 | |
1015 | BOOT: |
526 | BOOT: |
1016 | { |
527 | { |
|
|
528 | static const struct { |
|
|
529 | const char *name; |
|
|
530 | IV iv; |
|
|
531 | } *civ, const_iv[] = { |
|
|
532 | # define const_iv(name, value) { # name, (IV) value }, |
|
|
533 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
534 | const_iv (EXDEV , EXDEV) |
|
|
535 | const_iv (ENOSYS , ENOSYS) |
|
|
536 | const_iv (O_RDONLY, O_RDONLY) |
|
|
537 | const_iv (O_WRONLY, O_WRONLY) |
|
|
538 | const_iv (O_CREAT , O_CREAT) |
|
|
539 | const_iv (O_TRUNC , O_TRUNC) |
|
|
540 | #ifndef _WIN32 |
|
|
541 | const_iv (S_IFIFO , S_IFIFO) |
|
|
542 | #endif |
|
|
543 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
544 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
545 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
546 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
547 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
548 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
549 | |
|
|
550 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
551 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
552 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
553 | |
|
|
554 | const_eio (READDIR_DENTS) |
|
|
555 | const_eio (READDIR_DIRS_FIRST) |
|
|
556 | const_eio (READDIR_STAT_ORDER) |
|
|
557 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
558 | |
|
|
559 | const_eio (DT_UNKNOWN) |
|
|
560 | const_eio (DT_FIFO) |
|
|
561 | const_eio (DT_CHR) |
|
|
562 | const_eio (DT_DIR) |
|
|
563 | const_eio (DT_BLK) |
|
|
564 | const_eio (DT_REG) |
|
|
565 | const_eio (DT_LNK) |
|
|
566 | const_eio (DT_SOCK) |
|
|
567 | const_eio (DT_WHT) |
|
|
568 | }; |
|
|
569 | |
1017 | HV *stash = gv_stashpv ("IO::AIO", 1); |
570 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
1018 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
571 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1019 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
572 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1020 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1021 | |
573 | |
|
|
574 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
575 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
576 | |
1022 | create_pipe (); |
577 | create_respipe (); |
1023 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1024 | } |
|
|
1025 | |
578 | |
|
|
579 | if (eio_init (want_poll, done_poll) < 0) |
|
|
580 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
581 | |
|
|
582 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
583 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
584 | } |
|
|
585 | |
1026 | void |
586 | void |
1027 | min_parallel (nthreads) |
587 | max_poll_reqs (int nreqs) |
1028 | int nthreads |
|
|
1029 | PROTOTYPE: $ |
588 | PROTOTYPE: $ |
|
|
589 | CODE: |
|
|
590 | eio_set_max_poll_reqs (nreqs); |
1030 | |
591 | |
1031 | void |
592 | void |
1032 | max_parallel (nthreads) |
593 | max_poll_time (double nseconds) |
1033 | int nthreads |
|
|
1034 | PROTOTYPE: $ |
594 | PROTOTYPE: $ |
1035 | |
|
|
1036 | int |
|
|
1037 | max_outstanding (nreqs) |
|
|
1038 | int nreqs |
|
|
1039 | PROTOTYPE: $ |
|
|
1040 | CODE: |
595 | CODE: |
1041 | RETVAL = max_outstanding; |
596 | eio_set_max_poll_time (nseconds); |
|
|
597 | |
|
|
598 | void |
|
|
599 | min_parallel (int nthreads) |
|
|
600 | PROTOTYPE: $ |
|
|
601 | CODE: |
|
|
602 | eio_set_min_parallel (nthreads); |
|
|
603 | |
|
|
604 | void |
|
|
605 | max_parallel (int nthreads) |
|
|
606 | PROTOTYPE: $ |
|
|
607 | CODE: |
|
|
608 | eio_set_max_parallel (nthreads); |
|
|
609 | |
|
|
610 | void |
|
|
611 | max_idle (int nthreads) |
|
|
612 | PROTOTYPE: $ |
|
|
613 | CODE: |
|
|
614 | eio_set_max_idle (nthreads); |
|
|
615 | |
|
|
616 | void |
|
|
617 | max_outstanding (int maxreqs) |
|
|
618 | PROTOTYPE: $ |
|
|
619 | CODE: |
1042 | max_outstanding = nreqs; |
620 | max_outstanding = maxreqs; |
1043 | |
621 | |
1044 | void |
622 | void |
1045 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
623 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1046 | SV * pathname |
|
|
1047 | int flags |
|
|
1048 | int mode |
|
|
1049 | SV * callback |
|
|
1050 | PROTOTYPE: $$$;$ |
624 | PROTOTYPE: $$$;$ |
1051 | PPCODE: |
625 | PPCODE: |
1052 | { |
626 | { |
1053 | dREQ; |
627 | dREQ; |
1054 | |
628 | |
1055 | req->type = REQ_OPEN; |
629 | req->type = EIO_OPEN; |
1056 | req->data = newSVsv (pathname); |
630 | req->sv1 = newSVsv (pathname); |
1057 | req->dataptr = SvPVbyte_nolen (req->data); |
631 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1058 | req->fd = flags; |
632 | req->int1 = flags; |
1059 | req->mode = mode; |
633 | req->int2 = mode; |
1060 | |
634 | |
1061 | REQ_SEND; |
635 | REQ_SEND; |
1062 | } |
636 | } |
1063 | |
637 | |
1064 | void |
638 | void |
1065 | aio_close (fh,callback=&PL_sv_undef) |
639 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1066 | SV * fh |
|
|
1067 | SV * callback |
|
|
1068 | PROTOTYPE: $;$ |
640 | PROTOTYPE: $;$ |
1069 | ALIAS: |
641 | ALIAS: |
1070 | aio_close = REQ_CLOSE |
|
|
1071 | aio_fsync = REQ_FSYNC |
642 | aio_fsync = EIO_FSYNC |
1072 | aio_fdatasync = REQ_FDATASYNC |
643 | aio_fdatasync = EIO_FDATASYNC |
1073 | PPCODE: |
644 | PPCODE: |
1074 | { |
645 | { |
|
|
646 | int fd = s_fileno_croak (fh, 0); |
1075 | dREQ; |
647 | dREQ; |
1076 | |
648 | |
1077 | req->type = ix; |
649 | req->type = ix; |
1078 | req->fh = newSVsv (fh); |
650 | req->sv1 = newSVsv (fh); |
1079 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
651 | req->int1 = fd; |
1080 | |
652 | |
1081 | REQ_SEND (req); |
653 | REQ_SEND (req); |
1082 | } |
654 | } |
1083 | |
655 | |
1084 | void |
656 | void |
|
|
657 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
658 | PROTOTYPE: $$$$;$ |
|
|
659 | PPCODE: |
|
|
660 | { |
|
|
661 | int fd = s_fileno_croak (fh, 0); |
|
|
662 | dREQ; |
|
|
663 | |
|
|
664 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
665 | req->sv1 = newSVsv (fh); |
|
|
666 | req->int1 = fd; |
|
|
667 | req->offs = offset; |
|
|
668 | req->size = nbytes; |
|
|
669 | req->int2 = flags; |
|
|
670 | |
|
|
671 | REQ_SEND (req); |
|
|
672 | } |
|
|
673 | |
|
|
674 | void |
|
|
675 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
676 | PROTOTYPE: $;$ |
|
|
677 | PPCODE: |
|
|
678 | { |
|
|
679 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
680 | int fd = s_fileno_croak (fh, 0); |
|
|
681 | dREQ; |
|
|
682 | |
|
|
683 | if (close_pipe < 0) |
|
|
684 | { |
|
|
685 | int pipefd [2]; |
|
|
686 | |
|
|
687 | if (pipe (pipefd) < 0 |
|
|
688 | || close (pipefd [1]) < 0 |
|
|
689 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
690 | abort (); /*D*/ |
|
|
691 | |
|
|
692 | close_pipe = pipefd [0]; |
|
|
693 | } |
|
|
694 | |
|
|
695 | req->type = EIO_DUP2; |
|
|
696 | req->int1 = close_pipe; |
|
|
697 | req->sv2 = newSVsv (fh); |
|
|
698 | req->int2 = fd; |
|
|
699 | |
|
|
700 | REQ_SEND (req); |
|
|
701 | } |
|
|
702 | |
|
|
703 | void |
1085 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
704 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1086 | SV * fh |
|
|
1087 | UV offset |
|
|
1088 | UV length |
|
|
1089 | SV * data |
|
|
1090 | UV dataoffset |
|
|
1091 | SV * callback |
|
|
1092 | ALIAS: |
705 | ALIAS: |
1093 | aio_read = REQ_READ |
706 | aio_read = EIO_READ |
1094 | aio_write = REQ_WRITE |
707 | aio_write = EIO_WRITE |
1095 | PROTOTYPE: $$$$$;$ |
708 | PROTOTYPE: $$$$$;$ |
1096 | PPCODE: |
709 | PPCODE: |
1097 | { |
710 | { |
1098 | aio_req req; |
|
|
1099 | STRLEN svlen; |
711 | STRLEN svlen; |
|
|
712 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1100 | char *svptr = SvPVbyte (data, svlen); |
713 | char *svptr = SvPVbyte (data, svlen); |
1101 | |
714 | UV len = SvUV (length); |
1102 | SvUPGRADE (data, SVt_PV); |
|
|
1103 | SvPOK_on (data); |
|
|
1104 | |
715 | |
1105 | if (dataoffset < 0) |
716 | if (dataoffset < 0) |
1106 | dataoffset += svlen; |
717 | dataoffset += svlen; |
1107 | |
718 | |
1108 | if (dataoffset < 0 || dataoffset > svlen) |
719 | if (dataoffset < 0 || dataoffset > svlen) |
1109 | croak ("data offset outside of string"); |
720 | croak ("dataoffset outside of data scalar"); |
1110 | |
721 | |
1111 | if (ix == REQ_WRITE) |
722 | if (ix == EIO_WRITE) |
1112 | { |
723 | { |
1113 | /* write: check length and adjust. */ |
724 | /* write: check length and adjust. */ |
1114 | if (length < 0 || length + dataoffset > svlen) |
725 | if (!SvOK (length) || len + dataoffset > svlen) |
1115 | length = svlen - dataoffset; |
726 | len = svlen - dataoffset; |
1116 | } |
727 | } |
1117 | else |
728 | else |
1118 | { |
729 | { |
1119 | /* read: grow scalar as necessary */ |
730 | /* read: check type and grow scalar as necessary */ |
|
|
731 | SvUPGRADE (data, SVt_PV); |
1120 | svptr = SvGROW (data, length + dataoffset); |
732 | svptr = SvGROW (data, len + dataoffset + 1); |
1121 | } |
733 | } |
1122 | |
|
|
1123 | if (length < 0) |
|
|
1124 | croak ("length must not be negative"); |
|
|
1125 | |
734 | |
1126 | { |
735 | { |
1127 | dREQ; |
736 | dREQ; |
1128 | |
737 | |
1129 | req->type = ix; |
738 | req->type = ix; |
1130 | req->fh = newSVsv (fh); |
739 | req->sv1 = newSVsv (fh); |
1131 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
740 | req->int1 = fd; |
1132 | : IoOFP (sv_2io (fh))); |
741 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1133 | req->offset = offset; |
742 | req->size = len; |
1134 | req->length = length; |
|
|
1135 | req->data = SvREFCNT_inc (data); |
743 | req->sv2 = SvREFCNT_inc (data); |
1136 | req->dataptr = (char *)svptr + dataoffset; |
744 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
745 | req->stroffset = dataoffset; |
1137 | |
746 | |
1138 | if (!SvREADONLY (data)) |
747 | if (!SvREADONLY (data)) |
1139 | { |
748 | { |
1140 | SvREADONLY_on (data); |
749 | SvREADONLY_on (data); |
1141 | req->data2ptr = (void *)data; |
750 | req->flags |= FLAG_SV2_RO_OFF; |
1142 | } |
751 | } |
1143 | |
752 | |
1144 | REQ_SEND; |
753 | REQ_SEND; |
1145 | } |
754 | } |
1146 | } |
755 | } |
1147 | |
756 | |
1148 | void |
757 | void |
|
|
758 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
759 | PROTOTYPE: $$;$ |
|
|
760 | PPCODE: |
|
|
761 | { |
|
|
762 | SV *data; |
|
|
763 | dREQ; |
|
|
764 | |
|
|
765 | req->type = EIO_READLINK; |
|
|
766 | req->sv1 = newSVsv (path); |
|
|
767 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
768 | |
|
|
769 | REQ_SEND; |
|
|
770 | } |
|
|
771 | |
|
|
772 | void |
1149 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
773 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1150 | SV * out_fh |
|
|
1151 | SV * in_fh |
|
|
1152 | UV in_offset |
|
|
1153 | UV length |
|
|
1154 | SV * callback |
|
|
1155 | PROTOTYPE: $$$$;$ |
774 | PROTOTYPE: $$$$;$ |
1156 | PPCODE: |
775 | PPCODE: |
1157 | { |
776 | { |
|
|
777 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
778 | int ofd = s_fileno_croak (out_fh, 1); |
1158 | dREQ; |
779 | dREQ; |
1159 | |
780 | |
1160 | req->type = REQ_SENDFILE; |
781 | req->type = EIO_SENDFILE; |
1161 | req->fh = newSVsv (out_fh); |
782 | req->sv1 = newSVsv (out_fh); |
1162 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
783 | req->int1 = ofd; |
1163 | req->fh2 = newSVsv (in_fh); |
784 | req->sv2 = newSVsv (in_fh); |
1164 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
785 | req->int2 = ifd; |
1165 | req->offset = in_offset; |
786 | req->offs = in_offset; |
1166 | req->length = length; |
787 | req->size = length; |
1167 | |
788 | |
1168 | REQ_SEND; |
789 | REQ_SEND; |
1169 | } |
790 | } |
1170 | |
791 | |
1171 | void |
792 | void |
1172 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
793 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1173 | SV * fh |
|
|
1174 | UV offset |
|
|
1175 | IV length |
|
|
1176 | SV * callback |
|
|
1177 | PROTOTYPE: $$$;$ |
794 | PROTOTYPE: $$$;$ |
1178 | PPCODE: |
795 | PPCODE: |
1179 | { |
796 | { |
|
|
797 | int fd = s_fileno_croak (fh, 0); |
1180 | dREQ; |
798 | dREQ; |
1181 | |
799 | |
1182 | req->type = REQ_READAHEAD; |
800 | req->type = EIO_READAHEAD; |
1183 | req->fh = newSVsv (fh); |
801 | req->sv1 = newSVsv (fh); |
1184 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
802 | req->int1 = fd; |
1185 | req->offset = offset; |
803 | req->offs = offset; |
1186 | req->length = length; |
804 | req->size = length; |
1187 | |
805 | |
1188 | REQ_SEND; |
806 | REQ_SEND; |
1189 | } |
807 | } |
1190 | |
808 | |
1191 | void |
809 | void |
1192 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
810 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1193 | SV * fh_or_path |
|
|
1194 | SV * callback |
|
|
1195 | ALIAS: |
811 | ALIAS: |
1196 | aio_stat = REQ_STAT |
812 | aio_stat = EIO_STAT |
1197 | aio_lstat = REQ_LSTAT |
813 | aio_lstat = EIO_LSTAT |
1198 | PPCODE: |
814 | PPCODE: |
1199 | { |
815 | { |
1200 | dREQ; |
816 | dREQ; |
1201 | |
817 | |
1202 | New (0, req->statdata, 1, Stat_t); |
818 | req->sv1 = newSVsv (fh_or_path); |
1203 | if (!req->statdata) |
|
|
1204 | { |
|
|
1205 | req_free (req); |
|
|
1206 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1207 | } |
|
|
1208 | |
819 | |
1209 | if (SvPOK (fh_or_path)) |
820 | if (SvPOK (req->sv1)) |
1210 | { |
821 | { |
1211 | req->type = ix; |
822 | req->type = ix; |
1212 | req->data = newSVsv (fh_or_path); |
|
|
1213 | req->dataptr = SvPVbyte_nolen (req->data); |
823 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1214 | } |
824 | } |
1215 | else |
825 | else |
1216 | { |
826 | { |
1217 | req->type = REQ_FSTAT; |
827 | req->type = EIO_FSTAT; |
1218 | req->fh = newSVsv (fh_or_path); |
|
|
1219 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
828 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1220 | } |
829 | } |
1221 | |
830 | |
1222 | REQ_SEND; |
831 | REQ_SEND; |
1223 | } |
832 | } |
1224 | |
833 | |
1225 | void |
834 | void |
|
|
835 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
836 | PPCODE: |
|
|
837 | { |
|
|
838 | dREQ; |
|
|
839 | |
|
|
840 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
841 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
842 | req->sv1 = newSVsv (fh_or_path); |
|
|
843 | |
|
|
844 | if (SvPOK (req->sv1)) |
|
|
845 | { |
|
|
846 | req->type = EIO_UTIME; |
|
|
847 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
848 | } |
|
|
849 | else |
|
|
850 | { |
|
|
851 | req->type = EIO_FUTIME; |
|
|
852 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
853 | } |
|
|
854 | |
|
|
855 | REQ_SEND; |
|
|
856 | } |
|
|
857 | |
|
|
858 | void |
|
|
859 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
860 | PPCODE: |
|
|
861 | { |
|
|
862 | dREQ; |
|
|
863 | |
|
|
864 | req->sv1 = newSVsv (fh_or_path); |
|
|
865 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
866 | |
|
|
867 | if (SvPOK (req->sv1)) |
|
|
868 | { |
|
|
869 | req->type = EIO_TRUNCATE; |
|
|
870 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
871 | } |
|
|
872 | else |
|
|
873 | { |
|
|
874 | req->type = EIO_FTRUNCATE; |
|
|
875 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
876 | } |
|
|
877 | |
|
|
878 | REQ_SEND; |
|
|
879 | } |
|
|
880 | |
|
|
881 | void |
|
|
882 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
883 | ALIAS: |
|
|
884 | aio_chmod = EIO_CHMOD |
|
|
885 | aio_mkdir = EIO_MKDIR |
|
|
886 | PPCODE: |
|
|
887 | { |
|
|
888 | dREQ; |
|
|
889 | |
|
|
890 | req->int2 = mode; |
|
|
891 | req->sv1 = newSVsv (fh_or_path); |
|
|
892 | |
|
|
893 | if (SvPOK (req->sv1)) |
|
|
894 | { |
|
|
895 | req->type = ix; |
|
|
896 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
897 | } |
|
|
898 | else |
|
|
899 | { |
|
|
900 | req->type = EIO_FCHMOD; |
|
|
901 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
902 | } |
|
|
903 | |
|
|
904 | REQ_SEND; |
|
|
905 | } |
|
|
906 | |
|
|
907 | void |
|
|
908 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
909 | PPCODE: |
|
|
910 | { |
|
|
911 | dREQ; |
|
|
912 | |
|
|
913 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
914 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
915 | req->sv1 = newSVsv (fh_or_path); |
|
|
916 | |
|
|
917 | if (SvPOK (req->sv1)) |
|
|
918 | { |
|
|
919 | req->type = EIO_CHOWN; |
|
|
920 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
921 | } |
|
|
922 | else |
|
|
923 | { |
|
|
924 | req->type = EIO_FCHOWN; |
|
|
925 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
926 | } |
|
|
927 | |
|
|
928 | REQ_SEND; |
|
|
929 | } |
|
|
930 | |
|
|
931 | void |
|
|
932 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
933 | PPCODE: |
|
|
934 | { |
|
|
935 | dREQ; |
|
|
936 | |
|
|
937 | req->type = EIO_READDIR; |
|
|
938 | req->sv1 = newSVsv (pathname); |
|
|
939 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
940 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
941 | |
|
|
942 | if (flags & EIO_READDIR_DENTS) |
|
|
943 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
944 | |
|
|
945 | REQ_SEND; |
|
|
946 | } |
|
|
947 | |
|
|
948 | void |
1226 | aio_unlink (pathname,callback=&PL_sv_undef) |
949 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1227 | SV * pathname |
|
|
1228 | SV * callback |
|
|
1229 | ALIAS: |
950 | ALIAS: |
1230 | aio_unlink = REQ_UNLINK |
951 | aio_unlink = EIO_UNLINK |
1231 | aio_rmdir = REQ_RMDIR |
952 | aio_rmdir = EIO_RMDIR |
1232 | aio_readdir = REQ_READDIR |
953 | aio_readdir = EIO_READDIR |
1233 | PPCODE: |
954 | PPCODE: |
1234 | { |
955 | { |
1235 | dREQ; |
956 | dREQ; |
1236 | |
957 | |
1237 | req->type = ix; |
958 | req->type = ix; |
1238 | req->data = newSVsv (pathname); |
959 | req->sv1 = newSVsv (pathname); |
1239 | req->dataptr = SvPVbyte_nolen (req->data); |
960 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
961 | |
|
|
962 | REQ_SEND; |
|
|
963 | } |
|
|
964 | |
|
|
965 | void |
|
|
966 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
967 | ALIAS: |
|
|
968 | aio_link = EIO_LINK |
|
|
969 | aio_symlink = EIO_SYMLINK |
|
|
970 | aio_rename = EIO_RENAME |
|
|
971 | PPCODE: |
|
|
972 | { |
|
|
973 | dREQ; |
|
|
974 | |
|
|
975 | req->type = ix; |
|
|
976 | req->sv1 = newSVsv (oldpath); |
|
|
977 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
978 | req->sv2 = newSVsv (newpath); |
|
|
979 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1240 | |
980 | |
1241 | REQ_SEND; |
981 | REQ_SEND; |
1242 | } |
982 | } |
1243 | |
983 | |
1244 | void |
984 | void |
1245 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
985 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1246 | SV * oldpath |
|
|
1247 | SV * newpath |
|
|
1248 | SV * callback |
|
|
1249 | ALIAS: |
|
|
1250 | aio_link = REQ_LINK |
|
|
1251 | aio_symlink = REQ_SYMLINK |
|
|
1252 | aio_rename = REQ_RENAME |
|
|
1253 | PPCODE: |
986 | PPCODE: |
1254 | { |
987 | { |
1255 | dREQ; |
988 | dREQ; |
1256 | |
989 | |
1257 | req->type = ix; |
990 | req->type = EIO_MKNOD; |
1258 | req->fh = newSVsv (oldpath); |
991 | req->sv1 = newSVsv (pathname); |
1259 | req->data2ptr = SvPVbyte_nolen (req->fh); |
992 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1260 | req->data = newSVsv (newpath); |
993 | req->int2 = (mode_t)mode; |
1261 | req->dataptr = SvPVbyte_nolen (req->data); |
994 | req->offs = dev; |
1262 | |
995 | |
1263 | REQ_SEND; |
996 | REQ_SEND; |
1264 | } |
997 | } |
1265 | |
998 | |
1266 | void |
999 | void |
1267 | aio_sleep (delay,callback=&PL_sv_undef) |
1000 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1268 | double delay |
|
|
1269 | SV * callback |
|
|
1270 | PPCODE: |
1001 | PPCODE: |
1271 | { |
1002 | { |
1272 | dREQ; |
1003 | dREQ; |
1273 | |
1004 | |
1274 | req->type = REQ_SLEEP; |
1005 | req->type = EIO_BUSY; |
1275 | req->fd = delay < 0. ? 0 : delay; |
1006 | req->nv1 = delay < 0. ? 0. : delay; |
1276 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1277 | |
1007 | |
1278 | REQ_SEND; |
1008 | REQ_SEND; |
1279 | } |
1009 | } |
1280 | |
1010 | |
1281 | void |
1011 | void |
1282 | aio_group (callback=&PL_sv_undef) |
1012 | aio_group (SV *callback=&PL_sv_undef) |
1283 | SV * callback |
|
|
1284 | PROTOTYPE: ;$ |
1013 | PROTOTYPE: ;$ |
1285 | PPCODE: |
1014 | PPCODE: |
1286 | { |
1015 | { |
1287 | dREQ; |
1016 | dREQ; |
1288 | |
1017 | |
1289 | req->type = REQ_GROUP; |
1018 | req->type = EIO_GROUP; |
|
|
1019 | |
1290 | req_send (req); |
1020 | req_submit (req); |
1291 | |
|
|
1292 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1021 | XPUSHs (req_sv (req, aio_grp_stash)); |
1293 | } |
1022 | } |
1294 | |
1023 | |
1295 | void |
1024 | void |
1296 | aio_nop (callback=&PL_sv_undef) |
1025 | aio_nop (SV *callback=&PL_sv_undef) |
1297 | SV * callback |
1026 | ALIAS: |
|
|
1027 | aio_nop = EIO_NOP |
|
|
1028 | aio_sync = EIO_SYNC |
1298 | PPCODE: |
1029 | PPCODE: |
1299 | { |
1030 | { |
1300 | dREQ; |
1031 | dREQ; |
1301 | |
1032 | |
1302 | req->type = REQ_NOP; |
1033 | req->type = ix; |
1303 | |
1034 | |
1304 | REQ_SEND; |
1035 | REQ_SEND; |
1305 | } |
1036 | } |
1306 | |
1037 | |
1307 | void |
1038 | int |
1308 | aioreq_pri (int pri = DEFAULT_PRI) |
1039 | aioreq_pri (int pri = 0) |
|
|
1040 | PROTOTYPE: ;$ |
1309 | CODE: |
1041 | CODE: |
|
|
1042 | RETVAL = next_pri; |
|
|
1043 | if (items > 0) |
|
|
1044 | { |
1310 | if (pri < PRI_MIN) pri = PRI_MIN; |
1045 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1311 | if (pri > PRI_MAX) pri = PRI_MAX; |
1046 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1312 | next_pri = pri + PRI_BIAS; |
1047 | next_pri = pri; |
|
|
1048 | } |
|
|
1049 | OUTPUT: |
|
|
1050 | RETVAL |
|
|
1051 | |
|
|
1052 | void |
|
|
1053 | aioreq_nice (int nice = 0) |
|
|
1054 | CODE: |
|
|
1055 | nice = next_pri - nice; |
|
|
1056 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1057 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1058 | next_pri = nice; |
1313 | |
1059 | |
1314 | void |
1060 | void |
1315 | flush () |
1061 | flush () |
1316 | PROTOTYPE: |
1062 | PROTOTYPE: |
1317 | CODE: |
1063 | CODE: |
1318 | while (nreqs) |
1064 | while (eio_nreqs ()) |
1319 | { |
1065 | { |
1320 | poll_wait (); |
1066 | poll_wait (); |
1321 | poll_cb (); |
1067 | poll_cb (); |
1322 | } |
1068 | } |
1323 | |
1069 | |
1324 | void |
1070 | int |
1325 | poll() |
1071 | poll() |
1326 | PROTOTYPE: |
1072 | PROTOTYPE: |
1327 | CODE: |
1073 | CODE: |
1328 | if (nreqs) |
|
|
1329 | { |
|
|
1330 | poll_wait (); |
1074 | poll_wait (); |
1331 | poll_cb (); |
1075 | RETVAL = poll_cb (); |
1332 | } |
1076 | OUTPUT: |
|
|
1077 | RETVAL |
1333 | |
1078 | |
1334 | int |
1079 | int |
1335 | poll_fileno() |
1080 | poll_fileno() |
1336 | PROTOTYPE: |
1081 | PROTOTYPE: |
1337 | CODE: |
1082 | CODE: |
1338 | RETVAL = respipe [0]; |
1083 | RETVAL = s_epipe_fd (&respipe); |
1339 | OUTPUT: |
1084 | OUTPUT: |
1340 | RETVAL |
1085 | RETVAL |
1341 | |
1086 | |
1342 | int |
1087 | int |
1343 | poll_cb(...) |
1088 | poll_cb(...) |
… | |
… | |
1349 | |
1094 | |
1350 | void |
1095 | void |
1351 | poll_wait() |
1096 | poll_wait() |
1352 | PROTOTYPE: |
1097 | PROTOTYPE: |
1353 | CODE: |
1098 | CODE: |
1354 | if (nreqs) |
|
|
1355 | poll_wait (); |
1099 | poll_wait (); |
1356 | |
1100 | |
1357 | int |
1101 | int |
1358 | nreqs() |
1102 | nreqs() |
1359 | PROTOTYPE: |
1103 | PROTOTYPE: |
1360 | CODE: |
1104 | CODE: |
1361 | RETVAL = nreqs; |
1105 | RETVAL = eio_nreqs (); |
1362 | OUTPUT: |
1106 | OUTPUT: |
1363 | RETVAL |
1107 | RETVAL |
1364 | |
1108 | |
|
|
1109 | int |
|
|
1110 | nready() |
|
|
1111 | PROTOTYPE: |
|
|
1112 | CODE: |
|
|
1113 | RETVAL = eio_nready (); |
|
|
1114 | OUTPUT: |
|
|
1115 | RETVAL |
|
|
1116 | |
|
|
1117 | int |
|
|
1118 | npending() |
|
|
1119 | PROTOTYPE: |
|
|
1120 | CODE: |
|
|
1121 | RETVAL = eio_npending (); |
|
|
1122 | OUTPUT: |
|
|
1123 | RETVAL |
|
|
1124 | |
|
|
1125 | int |
|
|
1126 | nthreads() |
|
|
1127 | PROTOTYPE: |
|
|
1128 | CODE: |
|
|
1129 | RETVAL = eio_nthreads (); |
|
|
1130 | OUTPUT: |
|
|
1131 | RETVAL |
|
|
1132 | |
|
|
1133 | int |
|
|
1134 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1135 | PROTOTYPE: $$$$ |
|
|
1136 | CODE: |
|
|
1137 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1138 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1139 | #else |
|
|
1140 | RETVAL = errno = ENOSYS; |
|
|
1141 | #endif |
|
|
1142 | OUTPUT: |
|
|
1143 | RETVAL |
|
|
1144 | |
|
|
1145 | ssize_t |
|
|
1146 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1147 | PROTOTYPE: $$$$ |
|
|
1148 | CODE: |
|
|
1149 | eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1150 | |
|
|
1151 | void _on_next_submit (SV *cb) |
|
|
1152 | CODE: |
|
|
1153 | SvREFCNT_dec (on_next_submit); |
|
|
1154 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1155 | |
1365 | PROTOTYPES: DISABLE |
1156 | PROTOTYPES: DISABLE |
1366 | |
1157 | |
1367 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1158 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1368 | |
1159 | |
1369 | void |
1160 | void |
1370 | cancel (aio_req_ornot req) |
1161 | cancel (aio_req_ornot req) |
1371 | CODE: |
1162 | CODE: |
1372 | req_cancel (req); |
1163 | eio_cancel (req); |
1373 | |
1164 | |
1374 | void |
1165 | void |
1375 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1166 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1376 | CODE: |
1167 | PPCODE: |
|
|
1168 | { |
|
|
1169 | if (GIMME_V != G_VOID) |
|
|
1170 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1171 | |
|
|
1172 | if (items > 1) |
|
|
1173 | { |
|
|
1174 | SV *cb_cv =get_cb (callback); |
|
|
1175 | |
1377 | SvREFCNT_dec (req->callback); |
1176 | SvREFCNT_dec (req->callback); |
1378 | req->callback = newSVsv (callback); |
1177 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1178 | } |
|
|
1179 | } |
1379 | |
1180 | |
1380 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1181 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1381 | |
1182 | |
1382 | void |
1183 | void |
1383 | add (aio_req grp, ...) |
1184 | add (aio_req grp, ...) |
1384 | PPCODE: |
1185 | PPCODE: |
1385 | { |
1186 | { |
1386 | int i; |
1187 | int i; |
1387 | aio_req req; |
|
|
1388 | |
1188 | |
1389 | if (grp->fd == 2) |
1189 | if (grp->int1 == 2) |
1390 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1190 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1391 | |
1191 | |
1392 | for (i = 1; i < items; ++i ) |
1192 | for (i = 1; i < items; ++i ) |
1393 | { |
1193 | { |
|
|
1194 | aio_req req; |
|
|
1195 | |
1394 | if (GIMME_V != G_VOID) |
1196 | if (GIMME_V != G_VOID) |
1395 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1197 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1396 | |
1198 | |
1397 | req = SvAIO_REQ (ST (i)); |
1199 | req = SvAIO_REQ (ST (i)); |
1398 | |
1200 | |
1399 | if (req) |
1201 | if (req) |
1400 | { |
1202 | eio_grp_add (grp, req); |
1401 | ++grp->length; |
|
|
1402 | req->grp = grp; |
|
|
1403 | |
|
|
1404 | req->grp_prev = 0; |
|
|
1405 | req->grp_next = grp->grp_first; |
|
|
1406 | |
|
|
1407 | if (grp->grp_first) |
|
|
1408 | grp->grp_first->grp_prev = req; |
|
|
1409 | |
|
|
1410 | grp->grp_first = req; |
|
|
1411 | } |
1203 | } |
1412 | } |
|
|
1413 | } |
1204 | } |
|
|
1205 | |
|
|
1206 | void |
|
|
1207 | cancel_subs (aio_req_ornot req) |
|
|
1208 | CODE: |
|
|
1209 | req_cancel_subs (req); |
1414 | |
1210 | |
1415 | void |
1211 | void |
1416 | result (aio_req grp, ...) |
1212 | result (aio_req grp, ...) |
1417 | CODE: |
1213 | CODE: |
1418 | { |
1214 | { |
1419 | int i; |
1215 | int i; |
|
|
1216 | AV *av; |
|
|
1217 | |
|
|
1218 | grp->errorno = errno; |
|
|
1219 | |
1420 | AV *av = newAV (); |
1220 | av = newAV (); |
|
|
1221 | av_extend (av, items - 1); |
1421 | |
1222 | |
1422 | for (i = 1; i < items; ++i ) |
1223 | for (i = 1; i < items; ++i ) |
1423 | av_push (av, newSVsv (ST (i))); |
1224 | av_push (av, newSVsv (ST (i))); |
1424 | |
1225 | |
1425 | SvREFCNT_dec (grp->data); |
1226 | SvREFCNT_dec (grp->sv1); |
1426 | grp->data = (SV *)av; |
1227 | grp->sv1 = (SV *)av; |
1427 | } |
1228 | } |
|
|
1229 | |
|
|
1230 | void |
|
|
1231 | errno (aio_req grp, int errorno = errno) |
|
|
1232 | CODE: |
|
|
1233 | grp->errorno = errorno; |
1428 | |
1234 | |
1429 | void |
1235 | void |
1430 | limit (aio_req grp, int limit) |
1236 | limit (aio_req grp, int limit) |
1431 | CODE: |
1237 | CODE: |
1432 | grp->fd2 = limit; |
1238 | eio_grp_limit (grp, limit); |
1433 | aio_grp_feed (grp); |
|
|
1434 | |
1239 | |
1435 | void |
1240 | void |
1436 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1241 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1437 | CODE: |
1242 | CODE: |
1438 | { |
1243 | { |
1439 | SvREFCNT_dec (grp->fh2); |
1244 | SvREFCNT_dec (grp->sv2); |
1440 | grp->fh2 = newSVsv (callback); |
1245 | grp->sv2 = newSVsv (callback); |
|
|
1246 | grp->feed = aio_grp_feed; |
1441 | |
1247 | |
1442 | if (grp->fd2 <= 0) |
1248 | if (grp->int2 <= 0) |
1443 | grp->fd2 = 2; |
1249 | grp->int2 = 2; |
1444 | |
1250 | |
1445 | aio_grp_feed (grp); |
1251 | eio_grp_limit (grp, grp->int2); |
1446 | } |
1252 | } |
1447 | |
1253 | |