1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
27 | #include <limits.h> |
16 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
17 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
18 | #include <sched.h> |
32 | |
19 | |
33 | #if HAVE_SENDFILE |
20 | /* perl namespace pollution */ |
34 | # if __linux |
21 | #undef VERSION |
35 | # include <sys/sendfile.h> |
22 | |
36 | # elif __freebsd |
23 | #ifdef _WIN32 |
37 | # include <sys/socket.h> |
24 | |
38 | # include <sys/uio.h> |
25 | # define EIO_STRUCT_DIRENT Direntry_t |
39 | # elif __hpux |
26 | # undef malloc |
40 | # include <sys/socket.h> |
27 | # undef free |
41 | # elif __solaris /* not yet */ |
28 | |
42 | # 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 | |
43 | # else |
61 | #else |
44 | # error sendfile support requested but not available |
62 | |
45 | # 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 | |
46 | #endif |
70 | #endif |
47 | |
71 | |
48 | /* number of seconds after which idle threads exit */ |
72 | /* perl stupidly overrides readdir and maybe others */ |
49 | #define IDLE_TIMEOUT 10 |
73 | /* with thread-unsafe versions, imagine that :( */ |
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74 | #undef readdir |
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75 | #undef opendir |
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76 | #undef closedir |
50 | |
77 | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
78 | #define EIO_STRUCT_STAT Stat_t |
52 | #ifndef NAME_MAX |
79 | |
53 | # define NAME_MAX 4096 |
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 |
54 | #endif |
89 | #endif |
55 | |
90 | |
56 | #ifndef PTHREAD_STACK_MIN |
91 | /*****************************************************************************/ |
57 | /* care for broken platforms, e.g. windows */ |
92 | |
58 | # define PTHREAD_STACK_MIN 16384 |
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) |
59 | #endif |
97 | #endif |
60 | |
98 | |
61 | #if __ia64 |
99 | #define expect_false(expr) expect ((expr) != 0, 0) |
62 | # define STACKSIZE 65536 |
100 | #define expect_true(expr) expect ((expr) != 0, 1) |
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
101 | |
69 | /* wether word reads are potentially non-atomic. |
102 | /*****************************************************************************/ |
70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
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79 | #endif |
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80 | |
103 | |
81 | /* buffer size for various temporary buffers */ |
104 | static HV *stash; |
82 | #define AIO_BUFSIZE 65536 |
105 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
83 | |
106 | typedef int aio_rfd; /* read file desriptor */ |
84 | #define dBUF \ |
107 | typedef int aio_wfd; /* write file descriptor */ |
85 | char *aio_buf; \ |
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86 | LOCK (wrklock); \ |
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87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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88 | UNLOCK (wrklock); \ |
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89 | if (!aio_buf) \ |
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90 | return -1; |
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91 | |
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92 | enum { |
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93 | REQ_QUIT, |
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94 | REQ_OPEN, REQ_CLOSE, |
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95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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96 | REQ_SENDFILE, |
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97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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98 | REQ_FSYNC, REQ_FDATASYNC, |
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99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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100 | REQ_MKNOD, REQ_READDIR, |
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101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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102 | REQ_GROUP, REQ_NOP, |
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103 | REQ_BUSY, |
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104 | }; |
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105 | |
108 | |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
107 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
110 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
108 | |
111 | |
109 | typedef struct aio_cb |
112 | #define EIO_REQ_MEMBERS \ |
110 | { |
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111 | struct aio_cb *volatile next; |
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112 | |
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113 | SV *callback, *fh; |
113 | SV *callback; \ |
114 | SV *sv1, *sv2; |
114 | SV *sv1, *sv2; \ |
115 | void *ptr1, *ptr2; |
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116 | Stat_t *statdata; |
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117 | off_t offs; |
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118 | size_t size; |
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119 | ssize_t result; |
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120 | |
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121 | STRLEN stroffset; |
115 | STRLEN stroffset; \ |
122 | int type; |
116 | SV *self; |
123 | int int1, int2; |
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124 | int errorno; |
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125 | mode_t mode; /* open */ |
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126 | |
117 | |
127 | unsigned char flags; |
118 | #define EIO_NO_WRAPPERS 1 |
128 | unsigned char pri; |
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129 | |
119 | |
130 | SV *self; /* the perl counterpart of this request, if any */ |
120 | #include "libeio/eio.h" |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
121 | |
132 | } aio_cb; |
122 | #ifndef POSIX_FADV_NORMAL |
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123 | # define POSIX_FADV_NORMAL 0 |
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124 | # define NO_FADVISE 1 |
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125 | #endif |
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126 | |
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127 | #ifndef POSIX_FADV_SEQUENTIAL |
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128 | # define POSIX_FADV_SEQUENTIAL 0 |
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129 | #endif |
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130 | |
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131 | #ifndef POSIX_FADV_RANDOM |
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132 | # define POSIX_FADV_RANDOM 0 |
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133 | #endif |
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134 | |
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135 | #ifndef POSIX_FADV_NOREUSE |
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136 | # define POSIX_FADV_NOREUSE 0 |
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137 | #endif |
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138 | |
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139 | #ifndef POSIX_FADV_WILLNEED |
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140 | # define POSIX_FADV_WILLNEED 0 |
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141 | #endif |
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142 | |
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143 | #ifndef POSIX_FADV_DONTNEED |
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144 | # define POSIX_FADV_DONTNEED 0 |
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145 | #endif |
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146 | |
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147 | static int req_invoke (eio_req *req); |
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148 | #define EIO_FINISH(req) req_invoke (req) |
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149 | static void req_destroy (eio_req *grp); |
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150 | #define EIO_DESTROY(req) req_destroy (req) |
133 | |
151 | |
134 | enum { |
152 | enum { |
135 | FLAG_CANCELLED = 0x01, |
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136 | FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */ |
153 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
137 | }; |
154 | }; |
138 | |
155 | |
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156 | #include "libeio/eio.c" |
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157 | |
139 | typedef aio_cb *aio_req; |
158 | typedef eio_req *aio_req; |
140 | typedef aio_cb *aio_req_ornot; |
159 | typedef eio_req *aio_req_ornot; |
141 | |
160 | |
142 | enum { |
161 | static SV *on_next_submit; |
143 | PRI_MIN = -4, |
162 | static int next_pri = EIO_PRI_DEFAULT; |
144 | PRI_MAX = 4, |
163 | static int max_outstanding; |
145 | |
164 | |
146 | DEFAULT_PRI = 0, |
165 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
147 | PRI_BIAS = -PRI_MIN, |
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148 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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149 | }; |
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150 | |
166 | |
151 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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152 | |
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153 | static unsigned int max_poll_time = 0; |
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154 | static unsigned int max_poll_reqs = 0; |
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155 | |
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156 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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157 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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158 | { |
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159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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161 | } |
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162 | |
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163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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164 | |
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165 | static unsigned int started, idle, wanted; |
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166 | |
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167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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169 | #else |
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170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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171 | #endif |
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172 | |
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173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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175 | |
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176 | /* worker threads management */ |
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177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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178 | |
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179 | typedef struct worker { |
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180 | /* locked by wrklock */ |
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181 | struct worker *prev, *next; |
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182 | |
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183 | pthread_t tid; |
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184 | |
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185 | /* locked by reslock, reqlock or wrklock */ |
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186 | aio_req req; /* currently processed request */ |
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187 | void *dbuf; |
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188 | DIR *dirp; |
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189 | } worker; |
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190 | |
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191 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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192 | |
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193 | static void worker_clear (worker *wrk) |
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194 | { |
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195 | if (wrk->dirp) |
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196 | { |
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197 | closedir (wrk->dirp); |
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198 | wrk->dirp = 0; |
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199 | } |
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200 | |
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201 | if (wrk->dbuf) |
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202 | { |
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203 | free (wrk->dbuf); |
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204 | wrk->dbuf = 0; |
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205 | } |
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206 | } |
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207 | |
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208 | static void worker_free (worker *wrk) |
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209 | { |
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210 | wrk->next->prev = wrk->prev; |
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211 | wrk->prev->next = wrk->next; |
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212 | |
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213 | free (wrk); |
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214 | } |
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215 | |
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216 | static volatile unsigned int nreqs, nready, npending; |
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217 | static volatile unsigned int max_idle = 4; |
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218 | static volatile unsigned int max_outstanding = 0xffffffff; |
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219 | static int respipe [2]; |
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220 | |
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221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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224 | |
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225 | #if WORDACCESS_UNSAFE |
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226 | |
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227 | static unsigned int get_nready () |
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228 | { |
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229 | unsigned int retval; |
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230 | |
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231 | LOCK (reqlock); |
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232 | retval = nready; |
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233 | UNLOCK (reqlock); |
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234 | |
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235 | return retval; |
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236 | } |
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237 | |
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238 | static unsigned int get_npending () |
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239 | { |
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240 | unsigned int retval; |
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241 | |
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242 | LOCK (reslock); |
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243 | retval = npending; |
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244 | UNLOCK (reslock); |
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245 | |
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246 | return retval; |
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247 | } |
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248 | |
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249 | static unsigned int get_nthreads () |
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250 | { |
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251 | unsigned int retval; |
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252 | |
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253 | LOCK (wrklock); |
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254 | retval = started; |
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255 | UNLOCK (wrklock); |
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256 | |
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257 | return retval; |
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258 | } |
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259 | |
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260 | #else |
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261 | |
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262 | # define get_nready() nready |
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263 | # define get_npending() npending |
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264 | # define get_nthreads() started |
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265 | |
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266 | #endif |
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267 | |
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268 | /* |
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269 | * a somewhat faster data structure might be nice, but |
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270 | * with 8 priorities this actually needs <20 insns |
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271 | * per shift, the most expensive operation. |
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272 | */ |
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273 | typedef struct { |
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274 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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275 | int size; |
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276 | } reqq; |
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277 | |
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278 | static reqq req_queue; |
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279 | static reqq res_queue; |
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280 | |
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281 | int reqq_push (reqq *q, aio_req req) |
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282 | { |
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283 | int pri = req->pri; |
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284 | req->next = 0; |
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285 | |
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286 | if (q->qe[pri]) |
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287 | { |
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288 | q->qe[pri]->next = req; |
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289 | q->qe[pri] = req; |
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290 | } |
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291 | else |
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292 | q->qe[pri] = q->qs[pri] = req; |
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293 | |
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294 | return q->size++; |
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295 | } |
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296 | |
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297 | aio_req reqq_shift (reqq *q) |
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298 | { |
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299 | int pri; |
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300 | |
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301 | if (!q->size) |
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302 | return 0; |
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303 | |
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304 | --q->size; |
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305 | |
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306 | for (pri = NUM_PRI; pri--; ) |
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307 | { |
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308 | aio_req req = q->qs[pri]; |
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309 | |
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310 | if (req) |
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311 | { |
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312 | if (!(q->qs[pri] = req->next)) |
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313 | q->qe[pri] = 0; |
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314 | |
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315 | return req; |
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316 | } |
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317 | } |
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318 | |
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319 | abort (); |
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320 | } |
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321 | |
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322 | static int poll_cb (); |
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323 | static void req_invoke (aio_req req); |
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324 | static void req_free (aio_req req); |
167 | static void req_destroy (aio_req req); |
325 | static void req_cancel (aio_req req); |
168 | static void req_cancel (aio_req req); |
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169 | |
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170 | static void want_poll (void) |
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171 | { |
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172 | /* write a dummy byte to the pipe so fh becomes ready */ |
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173 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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174 | } |
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175 | |
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176 | static void done_poll (void) |
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177 | { |
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178 | /* read any signals sent by the worker threads */ |
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179 | char buf [4]; |
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180 | while (respipe_read (respipe [0], buf, 4) == 4) |
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181 | ; |
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182 | } |
326 | |
183 | |
327 | /* must be called at most once */ |
184 | /* must be called at most once */ |
328 | static SV *req_sv (aio_req req, const char *klass) |
185 | static SV *req_sv (aio_req req, const char *klass) |
329 | { |
186 | { |
330 | if (!req->self) |
187 | if (!req->self) |
… | |
… | |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
205 | return mg ? (aio_req)mg->mg_ptr : 0; |
349 | } |
206 | } |
350 | |
207 | |
351 | static void aio_grp_feed (aio_req grp) |
208 | static void aio_grp_feed (aio_req grp) |
352 | { |
209 | { |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
210 | if (grp->sv2 && SvOK (grp->sv2)) |
354 | { |
211 | { |
355 | int old_len = grp->size; |
|
|
356 | |
|
|
357 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
358 | { |
|
|
359 | dSP; |
212 | dSP; |
360 | |
213 | |
361 | ENTER; |
214 | ENTER; |
362 | SAVETMPS; |
215 | SAVETMPS; |
363 | PUSHMARK (SP); |
216 | PUSHMARK (SP); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
217 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
365 | PUTBACK; |
218 | PUTBACK; |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
219 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
367 | SPAGAIN; |
220 | SPAGAIN; |
368 | FREETMPS; |
221 | FREETMPS; |
369 | LEAVE; |
222 | LEAVE; |
370 | } |
|
|
371 | |
|
|
372 | /* stop if no progress has been made */ |
|
|
373 | if (old_len == grp->size) |
|
|
374 | { |
|
|
375 | SvREFCNT_dec (grp->sv2); |
|
|
376 | grp->sv2 = 0; |
|
|
377 | break; |
|
|
378 | } |
|
|
379 | } |
223 | } |
380 | } |
224 | } |
381 | |
225 | |
382 | static void aio_grp_dec (aio_req grp) |
226 | static void req_submit (eio_req *req) |
383 | { |
227 | { |
384 | --grp->size; |
228 | eio_submit (req); |
385 | |
229 | |
386 | /* call feeder, if applicable */ |
230 | if (expect_false (on_next_submit)) |
387 | aio_grp_feed (grp); |
|
|
388 | |
|
|
389 | /* finish, if done */ |
|
|
390 | if (!grp->size && grp->int1) |
|
|
391 | { |
231 | { |
392 | req_invoke (grp); |
232 | dSP; |
393 | req_free (grp); |
233 | SV *cb = sv_2mortal (on_next_submit); |
|
|
234 | |
|
|
235 | on_next_submit = 0; |
|
|
236 | |
|
|
237 | PUSHMARK (SP); |
|
|
238 | PUTBACK; |
|
|
239 | call_sv (cb, G_DISCARD | G_EVAL); |
394 | } |
240 | } |
395 | } |
241 | } |
396 | |
242 | |
397 | static void req_invoke (aio_req req) |
243 | static int req_invoke (eio_req *req) |
398 | { |
244 | { |
399 | dSP; |
245 | dSP; |
400 | |
246 | |
401 | if (req->flags & FLAG_DATA_RO_OFF) |
247 | if (req->flags & FLAG_SV2_RO_OFF) |
402 | SvREADONLY_off (req->sv1); |
248 | SvREADONLY_off (req->sv2); |
403 | |
249 | |
404 | if (req->statdata) |
250 | if (!EIO_CANCELLED (req) && req->callback) |
405 | { |
|
|
406 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
407 | PL_laststatval = req->result; |
|
|
408 | PL_statcache = *(req->statdata); |
|
|
409 | } |
|
|
410 | |
|
|
411 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
|
|
412 | { |
251 | { |
413 | ENTER; |
252 | ENTER; |
414 | SAVETMPS; |
253 | SAVETMPS; |
415 | PUSHMARK (SP); |
254 | PUSHMARK (SP); |
416 | EXTEND (SP, 1); |
255 | EXTEND (SP, 1); |
417 | |
256 | |
418 | switch (req->type) |
257 | switch (req->type) |
419 | { |
258 | { |
420 | case REQ_READDIR: |
259 | case EIO_READDIR: |
421 | { |
260 | { |
422 | SV *rv = &PL_sv_undef; |
261 | SV *rv = &PL_sv_undef; |
423 | |
262 | |
424 | if (req->result >= 0) |
263 | if (req->result >= 0) |
425 | { |
264 | { |
426 | int i; |
265 | int i; |
427 | char *buf = req->ptr2; |
266 | char *names = (char *)req->ptr2; |
|
|
267 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
428 | AV *av = newAV (); |
268 | AV *av = newAV (); |
429 | |
269 | |
430 | av_extend (av, req->result - 1); |
270 | av_extend (av, req->result - 1); |
431 | |
271 | |
432 | for (i = 0; i < req->result; ++i) |
272 | for (i = 0; i < req->result; ++i) |
433 | { |
273 | { |
434 | SV *sv = newSVpv (buf, 0); |
274 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
275 | { |
|
|
276 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
435 | |
277 | |
|
|
278 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
279 | { |
|
|
280 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
281 | AV *avent = newAV (); |
|
|
282 | |
|
|
283 | av_extend (avent, 2); |
|
|
284 | |
|
|
285 | if (!sv_type [ent->type]) |
|
|
286 | { |
|
|
287 | sv_type [ent->type] = newSViv (ent->type); |
|
|
288 | SvREADONLY_on (sv_type [ent->type]); |
|
|
289 | } |
|
|
290 | |
|
|
291 | av_store (avent, 0, namesv); |
|
|
292 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
293 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
294 | |
|
|
295 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
296 | } |
|
|
297 | else |
436 | av_store (av, i, sv); |
298 | av_store (av, i, namesv); |
|
|
299 | |
|
|
300 | ++ent; |
|
|
301 | } |
|
|
302 | else |
|
|
303 | { |
|
|
304 | SV *name = newSVpv (names, 0); |
|
|
305 | av_store (av, i, name); |
437 | buf += SvCUR (sv) + 1; |
306 | names += SvCUR (name) + 1; |
|
|
307 | } |
438 | } |
308 | } |
439 | |
309 | |
440 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
310 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
441 | } |
311 | } |
442 | |
312 | |
443 | PUSHs (rv); |
313 | PUSHs (rv); |
|
|
314 | |
|
|
315 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
316 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
444 | } |
317 | } |
445 | break; |
318 | break; |
446 | |
319 | |
447 | case REQ_OPEN: |
320 | case EIO_OPEN: |
448 | { |
321 | { |
449 | /* convert fd to fh */ |
322 | /* convert fd to fh */ |
450 | SV *fh; |
323 | SV *fh = &PL_sv_undef; |
451 | |
324 | |
452 | PUSHs (sv_2mortal (newSViv (req->result))); |
325 | if (req->result >= 0) |
453 | PUTBACK; |
326 | { |
454 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
327 | GV *gv = (GV *)sv_newmortal (); |
455 | SPAGAIN; |
328 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
329 | char sym [64]; |
|
|
330 | int symlen; |
|
|
331 | |
|
|
332 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
333 | gv_init (gv, stash, sym, symlen, 0); |
456 | |
334 | |
457 | fh = SvREFCNT_inc (POPs); |
335 | symlen = snprintf ( |
|
|
336 | sym, |
|
|
337 | sizeof (sym), |
|
|
338 | "%s&=%d", |
|
|
339 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
340 | (int)req->result |
|
|
341 | ); |
458 | |
342 | |
|
|
343 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
344 | fh = (SV *)gv; |
|
|
345 | } |
|
|
346 | |
459 | PUSHMARK (SP); |
347 | PUSHs (fh); |
460 | XPUSHs (sv_2mortal (fh)); |
|
|
461 | } |
348 | } |
462 | break; |
349 | break; |
463 | |
350 | |
464 | case REQ_GROUP: |
351 | case EIO_GROUP: |
465 | req->int1 = 2; /* mark group as finished */ |
352 | req->int1 = 2; /* mark group as finished */ |
466 | |
353 | |
467 | if (req->sv1) |
354 | if (req->sv1) |
468 | { |
355 | { |
469 | int i; |
356 | int i; |
… | |
… | |
473 | for (i = 0; i <= AvFILL (av); ++i) |
360 | for (i = 0; i <= AvFILL (av); ++i) |
474 | PUSHs (*av_fetch (av, i, 0)); |
361 | PUSHs (*av_fetch (av, i, 0)); |
475 | } |
362 | } |
476 | break; |
363 | break; |
477 | |
364 | |
478 | case REQ_NOP: |
365 | case EIO_NOP: |
479 | case REQ_BUSY: |
366 | case EIO_BUSY: |
480 | break; |
367 | break; |
481 | |
368 | |
482 | case REQ_READLINK: |
369 | case EIO_READLINK: |
483 | if (req->result > 0) |
370 | if (req->result > 0) |
484 | { |
371 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
485 | SvCUR_set (req->sv1, req->result); |
|
|
486 | *SvEND (req->sv1) = 0; |
|
|
487 | PUSHs (req->sv1); |
|
|
488 | } |
|
|
489 | break; |
372 | break; |
490 | |
373 | |
|
|
374 | case EIO_STAT: |
|
|
375 | case EIO_LSTAT: |
|
|
376 | case EIO_FSTAT: |
|
|
377 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
378 | PL_laststatval = req->result; |
|
|
379 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
380 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
381 | break; |
|
|
382 | |
491 | case REQ_READ: |
383 | case EIO_READ: |
|
|
384 | { |
492 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
385 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
493 | *SvEND (req->sv1) = 0; |
386 | *SvEND (req->sv2) = 0; |
494 | /* fall through */ |
387 | SvPOK_only (req->sv2); |
|
|
388 | SvSETMAGIC (req->sv2); |
|
|
389 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
390 | } |
|
|
391 | break; |
|
|
392 | |
|
|
393 | case EIO_DUP2: |
|
|
394 | if (req->result > 0) |
|
|
395 | req->result = 0; |
|
|
396 | /* FALLTHROUGH */ |
|
|
397 | |
495 | default: |
398 | default: |
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
399 | PUSHs (sv_2mortal (newSViv (req->result))); |
497 | break; |
400 | break; |
498 | } |
401 | } |
499 | |
402 | |
500 | errno = req->errorno; |
403 | errno = req->errorno; |
501 | |
404 | |
502 | PUTBACK; |
405 | PUTBACK; |
503 | call_sv (req->callback, G_VOID | G_EVAL); |
406 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
504 | SPAGAIN; |
407 | SPAGAIN; |
505 | |
408 | |
506 | FREETMPS; |
409 | FREETMPS; |
507 | LEAVE; |
410 | LEAVE; |
|
|
411 | |
|
|
412 | PUTBACK; |
508 | } |
413 | } |
509 | |
414 | |
510 | if (req->grp) |
415 | return !!SvTRUE (ERRSV); |
511 | { |
|
|
512 | aio_req grp = req->grp; |
|
|
513 | |
|
|
514 | /* unlink request */ |
|
|
515 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
516 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
517 | |
|
|
518 | if (grp->grp_first == req) |
|
|
519 | grp->grp_first = req->grp_next; |
|
|
520 | |
|
|
521 | aio_grp_dec (grp); |
|
|
522 | } |
|
|
523 | |
|
|
524 | if (SvTRUE (ERRSV)) |
|
|
525 | { |
|
|
526 | req_free (req); |
|
|
527 | croak (0); |
|
|
528 | } |
|
|
529 | } |
416 | } |
530 | |
417 | |
531 | static void req_free (aio_req req) |
418 | static void req_destroy (aio_req req) |
532 | { |
419 | { |
533 | if (req->self) |
420 | if (req->self) |
534 | { |
421 | { |
535 | sv_unmagic (req->self, PERL_MAGIC_ext); |
422 | sv_unmagic (req->self, PERL_MAGIC_ext); |
536 | SvREFCNT_dec (req->self); |
423 | SvREFCNT_dec (req->self); |
537 | } |
424 | } |
538 | |
425 | |
539 | SvREFCNT_dec (req->fh); |
|
|
540 | SvREFCNT_dec (req->sv1); |
426 | SvREFCNT_dec (req->sv1); |
541 | SvREFCNT_dec (req->sv2); |
427 | SvREFCNT_dec (req->sv2); |
542 | SvREFCNT_dec (req->callback); |
428 | SvREFCNT_dec (req->callback); |
543 | Safefree (req->statdata); |
|
|
544 | |
|
|
545 | if (req->type == REQ_READDIR) |
|
|
546 | free (req->ptr2); |
|
|
547 | |
429 | |
548 | Safefree (req); |
430 | Safefree (req); |
549 | } |
431 | } |
550 | |
432 | |
551 | static void req_cancel_subs (aio_req grp) |
433 | static void req_cancel_subs (aio_req grp) |
552 | { |
434 | { |
553 | aio_req sub; |
435 | aio_req sub; |
554 | |
436 | |
555 | if (grp->type != REQ_GROUP) |
437 | if (grp->type != EIO_GROUP) |
556 | return; |
438 | return; |
557 | |
439 | |
558 | SvREFCNT_dec (grp->sv2); |
440 | SvREFCNT_dec (grp->sv2); |
559 | grp->sv2 = 0; |
441 | grp->sv2 = 0; |
560 | |
442 | |
561 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
443 | eio_grp_cancel (grp); |
562 | req_cancel (sub); |
|
|
563 | } |
444 | } |
564 | |
445 | |
565 | static void req_cancel (aio_req req) |
446 | #ifdef USE_SOCKETS_AS_HANDLES |
566 | { |
447 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
567 | req->flags |= FLAG_CANCELLED; |
448 | #else |
568 | |
449 | # define TO_SOCKET(x) (x) |
569 | req_cancel_subs (req); |
|
|
570 | } |
|
|
571 | |
|
|
572 | static void *aio_proc(void *arg); |
|
|
573 | |
|
|
574 | static void start_thread (void) |
|
|
575 | { |
|
|
576 | sigset_t fullsigset, oldsigset; |
|
|
577 | pthread_attr_t attr; |
|
|
578 | |
|
|
579 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
580 | |
|
|
581 | if (!wrk) |
|
|
582 | croak ("unable to allocate worker thread data"); |
|
|
583 | |
|
|
584 | pthread_attr_init (&attr); |
|
|
585 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
586 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
587 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
588 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
589 | #endif |
450 | #endif |
590 | |
451 | |
591 | sigfillset (&fullsigset); |
452 | static void |
|
|
453 | create_respipe (void) |
|
|
454 | { |
|
|
455 | int old_readfd = respipe [0]; |
592 | |
456 | |
593 | LOCK (wrklock); |
457 | if (respipe [1] >= 0) |
594 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
458 | respipe_close (TO_SOCKET (respipe [1])); |
595 | |
459 | |
596 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
460 | #ifdef _WIN32 |
|
|
461 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
462 | #else |
|
|
463 | if (pipe (respipe)) |
|
|
464 | #endif |
|
|
465 | croak ("unable to initialize result pipe"); |
|
|
466 | |
|
|
467 | if (old_readfd >= 0) |
597 | { |
468 | { |
598 | wrk->prev = &wrk_first; |
469 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
599 | wrk->next = wrk_first.next; |
470 | croak ("unable to initialize result pipe(2)"); |
600 | wrk_first.next->prev = wrk; |
471 | |
601 | wrk_first.next = wrk; |
472 | respipe_close (respipe [0]); |
602 | ++started; |
473 | respipe [0] = old_readfd; |
603 | } |
474 | } |
604 | else |
|
|
605 | free (wrk); |
|
|
606 | |
475 | |
607 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
476 | #ifdef _WIN32 |
608 | UNLOCK (wrklock); |
477 | int arg = 1; |
609 | } |
478 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
479 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
480 | #else |
|
|
481 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
482 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
483 | #endif |
|
|
484 | croak ("unable to initialize result pipe(3)"); |
610 | |
485 | |
611 | static void maybe_start_thread () |
486 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
612 | { |
487 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
613 | if (get_nthreads () >= wanted) |
|
|
614 | return; |
|
|
615 | |
|
|
616 | /* todo: maybe use idle here, but might be less exact */ |
|
|
617 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | start_thread (); |
|
|
621 | } |
488 | } |
622 | |
489 | |
623 | static void req_send (aio_req req) |
|
|
624 | { |
|
|
625 | ++nreqs; |
|
|
626 | |
|
|
627 | LOCK (reqlock); |
|
|
628 | ++nready; |
|
|
629 | reqq_push (&req_queue, req); |
|
|
630 | pthread_cond_signal (&reqwait); |
|
|
631 | UNLOCK (reqlock); |
|
|
632 | |
|
|
633 | maybe_start_thread (); |
|
|
634 | } |
|
|
635 | |
|
|
636 | static void end_thread (void) |
|
|
637 | { |
|
|
638 | aio_req req; |
|
|
639 | |
|
|
640 | Newz (0, req, 1, aio_cb); |
|
|
641 | |
|
|
642 | req->type = REQ_QUIT; |
|
|
643 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
644 | |
|
|
645 | LOCK (reqlock); |
|
|
646 | reqq_push (&req_queue, req); |
|
|
647 | pthread_cond_signal (&reqwait); |
|
|
648 | UNLOCK (reqlock); |
|
|
649 | |
|
|
650 | LOCK (wrklock); |
|
|
651 | --started; |
|
|
652 | UNLOCK (wrklock); |
|
|
653 | } |
|
|
654 | |
|
|
655 | static void set_max_idle (int nthreads) |
|
|
656 | { |
|
|
657 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
658 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
659 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
660 | } |
|
|
661 | |
|
|
662 | static void min_parallel (int nthreads) |
|
|
663 | { |
|
|
664 | if (wanted < nthreads) |
|
|
665 | wanted = nthreads; |
|
|
666 | } |
|
|
667 | |
|
|
668 | static void max_parallel (int nthreads) |
|
|
669 | { |
|
|
670 | if (wanted > nthreads) |
|
|
671 | wanted = nthreads; |
|
|
672 | |
|
|
673 | while (started > wanted) |
|
|
674 | end_thread (); |
|
|
675 | } |
|
|
676 | |
|
|
677 | static void poll_wait () |
490 | static void poll_wait (void) |
678 | { |
491 | { |
679 | fd_set rfd; |
492 | fd_set rfd; |
680 | |
493 | |
681 | while (nreqs) |
494 | while (eio_nreqs ()) |
682 | { |
495 | { |
683 | int size; |
496 | int size; |
684 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
497 | |
|
|
498 | X_LOCK (reslock); |
685 | size = res_queue.size; |
499 | size = res_queue.size; |
686 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
500 | X_UNLOCK (reslock); |
687 | |
501 | |
688 | if (size) |
502 | if (size) |
689 | return; |
503 | return; |
690 | |
504 | |
691 | maybe_start_thread (); |
505 | etp_maybe_start_thread (); |
692 | |
506 | |
693 | FD_ZERO(&rfd); |
507 | FD_ZERO (&rfd); |
694 | FD_SET(respipe [0], &rfd); |
508 | FD_SET (respipe [0], &rfd); |
695 | |
509 | |
696 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
510 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
697 | } |
511 | } |
698 | } |
512 | } |
699 | |
513 | |
700 | static int poll_cb () |
514 | static int poll_cb (void) |
701 | { |
515 | { |
702 | dSP; |
|
|
703 | int count = 0; |
|
|
704 | int maxreqs = max_poll_reqs; |
|
|
705 | int do_croak = 0; |
|
|
706 | struct timeval tv_start, tv_now; |
|
|
707 | aio_req req; |
|
|
708 | |
|
|
709 | if (max_poll_time) |
|
|
710 | gettimeofday (&tv_start, 0); |
|
|
711 | |
|
|
712 | for (;;) |
516 | for (;;) |
713 | { |
517 | { |
714 | for (;;) |
518 | int res = eio_poll (); |
715 | { |
|
|
716 | maybe_start_thread (); |
|
|
717 | |
519 | |
718 | LOCK (reslock); |
520 | if (res > 0) |
719 | req = reqq_shift (&res_queue); |
|
|
720 | |
|
|
721 | if (req) |
|
|
722 | { |
|
|
723 | --npending; |
|
|
724 | |
|
|
725 | if (!res_queue.size) |
|
|
726 | { |
|
|
727 | /* read any signals sent by the worker threads */ |
|
|
728 | char buf [32]; |
|
|
729 | while (read (respipe [0], buf, 32) == 32) |
|
|
730 | ; |
|
|
731 | } |
|
|
732 | } |
|
|
733 | |
|
|
734 | UNLOCK (reslock); |
|
|
735 | |
|
|
736 | if (!req) |
|
|
737 | break; |
|
|
738 | |
|
|
739 | --nreqs; |
|
|
740 | |
|
|
741 | if (req->type == REQ_GROUP && req->size) |
|
|
742 | { |
|
|
743 | req->int1 = 1; /* mark request as delayed */ |
|
|
744 | continue; |
|
|
745 | } |
|
|
746 | else |
|
|
747 | { |
|
|
748 | req_invoke (req); |
|
|
749 | |
|
|
750 | count++; |
|
|
751 | } |
|
|
752 | |
|
|
753 | req_free (req); |
|
|
754 | |
|
|
755 | if (maxreqs && !--maxreqs) |
|
|
756 | break; |
|
|
757 | |
|
|
758 | if (max_poll_time) |
|
|
759 | { |
|
|
760 | gettimeofday (&tv_now, 0); |
|
|
761 | |
|
|
762 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
763 | break; |
|
|
764 | } |
|
|
765 | } |
|
|
766 | |
|
|
767 | if (nreqs <= max_outstanding) |
|
|
768 | break; |
521 | croak (0); |
|
|
522 | |
|
|
523 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
524 | return res; |
769 | |
525 | |
770 | poll_wait (); |
526 | poll_wait (); |
771 | |
|
|
772 | ++maxreqs; |
|
|
773 | } |
527 | } |
774 | |
|
|
775 | return count; |
|
|
776 | } |
528 | } |
777 | |
529 | |
778 | static void create_pipe () |
530 | static void atfork_child (void) |
779 | { |
531 | { |
780 | if (pipe (respipe)) |
532 | create_respipe (); |
781 | croak ("unable to initialize result pipe"); |
|
|
782 | |
|
|
783 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
784 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
785 | |
|
|
786 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
787 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
788 | } |
533 | } |
789 | |
534 | |
790 | /*****************************************************************************/ |
535 | static SV * |
791 | /* work around various missing functions */ |
536 | get_cb (SV *cb_sv) |
792 | |
|
|
793 | #if !HAVE_PREADWRITE |
|
|
794 | # define pread aio_pread |
|
|
795 | # define pwrite aio_pwrite |
|
|
796 | |
|
|
797 | /* |
|
|
798 | * make our pread/pwrite safe against themselves, but not against |
|
|
799 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
800 | * but that's your problem, not mine. |
|
|
801 | */ |
|
|
802 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
803 | |
|
|
804 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
805 | { |
537 | { |
806 | ssize_t res; |
538 | HV *st; |
807 | off_t ooffset; |
539 | GV *gvp; |
|
|
540 | CV *cv; |
808 | |
541 | |
809 | LOCK (preadwritelock); |
542 | if (!SvOK (cb_sv)) |
810 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
811 | lseek (fd, offset, SEEK_SET); |
|
|
812 | res = read (fd, buf, count); |
|
|
813 | lseek (fd, ooffset, SEEK_SET); |
|
|
814 | UNLOCK (preadwritelock); |
|
|
815 | |
|
|
816 | return res; |
|
|
817 | } |
|
|
818 | |
|
|
819 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
820 | { |
|
|
821 | ssize_t res; |
|
|
822 | off_t ooffset; |
|
|
823 | |
|
|
824 | LOCK (preadwritelock); |
|
|
825 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
826 | lseek (fd, offset, SEEK_SET); |
|
|
827 | res = write (fd, buf, count); |
|
|
828 | lseek (fd, offset, SEEK_SET); |
|
|
829 | UNLOCK (preadwritelock); |
|
|
830 | |
|
|
831 | return res; |
|
|
832 | } |
|
|
833 | #endif |
|
|
834 | |
|
|
835 | #if !HAVE_FDATASYNC |
|
|
836 | # define fdatasync fsync |
|
|
837 | #endif |
|
|
838 | |
|
|
839 | #if !HAVE_READAHEAD |
|
|
840 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
841 | |
|
|
842 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
843 | { |
|
|
844 | dBUF; |
|
|
845 | |
|
|
846 | while (count > 0) |
|
|
847 | { |
|
|
848 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
849 | |
|
|
850 | pread (fd, aio_buf, len, offset); |
|
|
851 | offset += len; |
|
|
852 | count -= len; |
|
|
853 | } |
|
|
854 | |
|
|
855 | errno = 0; |
|
|
856 | } |
|
|
857 | |
|
|
858 | #endif |
|
|
859 | |
|
|
860 | #if !HAVE_READDIR_R |
|
|
861 | # define readdir_r aio_readdir_r |
|
|
862 | |
|
|
863 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
864 | |
|
|
865 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
866 | { |
|
|
867 | struct dirent *e; |
|
|
868 | int errorno; |
|
|
869 | |
|
|
870 | LOCK (readdirlock); |
|
|
871 | |
|
|
872 | e = readdir (dirp); |
|
|
873 | errorno = errno; |
|
|
874 | |
|
|
875 | if (e) |
|
|
876 | { |
|
|
877 | *res = ent; |
|
|
878 | strcpy (ent->d_name, e->d_name); |
|
|
879 | } |
|
|
880 | else |
|
|
881 | *res = 0; |
|
|
882 | |
|
|
883 | UNLOCK (readdirlock); |
|
|
884 | |
|
|
885 | errno = errorno; |
|
|
886 | return e ? 0 : -1; |
|
|
887 | } |
|
|
888 | #endif |
|
|
889 | |
|
|
890 | /* sendfile always needs emulation */ |
|
|
891 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
892 | { |
|
|
893 | ssize_t res; |
|
|
894 | |
|
|
895 | if (!count) |
|
|
896 | return 0; |
543 | return 0; |
897 | |
544 | |
898 | #if HAVE_SENDFILE |
545 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
899 | # if __linux |
|
|
900 | res = sendfile (ofd, ifd, &offset, count); |
|
|
901 | |
546 | |
902 | # elif __freebsd |
547 | if (!cv) |
903 | /* |
548 | croak ("IO::AIO callback must be undef or a CODE reference"); |
904 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
905 | * wasted on making it similar to other I/O functions. |
|
|
906 | */ |
|
|
907 | { |
|
|
908 | off_t sbytes; |
|
|
909 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
910 | |
549 | |
911 | if (res < 0 && sbytes) |
550 | return (SV *)cv; |
912 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
913 | res = sbytes; |
|
|
914 | } |
|
|
915 | |
|
|
916 | # elif __hpux |
|
|
917 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
918 | |
|
|
919 | # elif __solaris |
|
|
920 | { |
|
|
921 | struct sendfilevec vec; |
|
|
922 | size_t sbytes; |
|
|
923 | |
|
|
924 | vec.sfv_fd = ifd; |
|
|
925 | vec.sfv_flag = 0; |
|
|
926 | vec.sfv_off = offset; |
|
|
927 | vec.sfv_len = count; |
|
|
928 | |
|
|
929 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
930 | |
|
|
931 | if (res < 0 && sbytes) |
|
|
932 | res = sbytes; |
|
|
933 | } |
|
|
934 | |
|
|
935 | # endif |
|
|
936 | #else |
|
|
937 | res = -1; |
|
|
938 | errno = ENOSYS; |
|
|
939 | #endif |
|
|
940 | |
|
|
941 | if (res < 0 |
|
|
942 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
943 | #if __solaris |
|
|
944 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
945 | #endif |
|
|
946 | ) |
|
|
947 | ) |
|
|
948 | { |
|
|
949 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
950 | dBUF; |
|
|
951 | |
|
|
952 | res = 0; |
|
|
953 | |
|
|
954 | while (count) |
|
|
955 | { |
|
|
956 | ssize_t cnt; |
|
|
957 | |
|
|
958 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
959 | |
|
|
960 | if (cnt <= 0) |
|
|
961 | { |
|
|
962 | if (cnt && !res) res = -1; |
|
|
963 | break; |
|
|
964 | } |
|
|
965 | |
|
|
966 | cnt = write (ofd, aio_buf, cnt); |
|
|
967 | |
|
|
968 | if (cnt <= 0) |
|
|
969 | { |
|
|
970 | if (cnt && !res) res = -1; |
|
|
971 | break; |
|
|
972 | } |
|
|
973 | |
|
|
974 | offset += cnt; |
|
|
975 | res += cnt; |
|
|
976 | count -= cnt; |
|
|
977 | } |
|
|
978 | } |
|
|
979 | |
|
|
980 | return res; |
|
|
981 | } |
|
|
982 | |
|
|
983 | /* read a full directory */ |
|
|
984 | static void scandir_ (aio_req req, worker *self) |
|
|
985 | { |
|
|
986 | DIR *dirp; |
|
|
987 | union |
|
|
988 | { |
|
|
989 | struct dirent d; |
|
|
990 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
991 | } *u; |
|
|
992 | struct dirent *entp; |
|
|
993 | char *name, *names; |
|
|
994 | int memlen = 4096; |
|
|
995 | int memofs = 0; |
|
|
996 | int res = 0; |
|
|
997 | int errorno; |
|
|
998 | |
|
|
999 | LOCK (wrklock); |
|
|
1000 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1001 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1002 | req->ptr2 = names = malloc (memlen); |
|
|
1003 | UNLOCK (wrklock); |
|
|
1004 | |
|
|
1005 | if (dirp && u && names) |
|
|
1006 | for (;;) |
|
|
1007 | { |
|
|
1008 | errno = 0; |
|
|
1009 | readdir_r (dirp, &u->d, &entp); |
|
|
1010 | |
|
|
1011 | if (!entp) |
|
|
1012 | break; |
|
|
1013 | |
|
|
1014 | name = entp->d_name; |
|
|
1015 | |
|
|
1016 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1017 | { |
|
|
1018 | int len = strlen (name) + 1; |
|
|
1019 | |
|
|
1020 | res++; |
|
|
1021 | |
|
|
1022 | while (memofs + len > memlen) |
|
|
1023 | { |
|
|
1024 | memlen *= 2; |
|
|
1025 | LOCK (wrklock); |
|
|
1026 | req->ptr2 = names = realloc (names, memlen); |
|
|
1027 | UNLOCK (wrklock); |
|
|
1028 | |
|
|
1029 | if (!names) |
|
|
1030 | break; |
|
|
1031 | } |
|
|
1032 | |
|
|
1033 | memcpy (names + memofs, name, len); |
|
|
1034 | memofs += len; |
|
|
1035 | } |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | if (errno) |
|
|
1039 | res = -1; |
|
|
1040 | |
|
|
1041 | req->result = res; |
|
|
1042 | } |
|
|
1043 | |
|
|
1044 | /*****************************************************************************/ |
|
|
1045 | |
|
|
1046 | static void *aio_proc (void *thr_arg) |
|
|
1047 | { |
|
|
1048 | aio_req req; |
|
|
1049 | struct timespec ts; |
|
|
1050 | worker *self = (worker *)thr_arg; |
|
|
1051 | |
|
|
1052 | /* try to distribute timeouts somewhat evenly */ |
|
|
1053 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1054 | * (1000000000UL / 1024UL); |
|
|
1055 | |
|
|
1056 | for (;;) |
|
|
1057 | { |
|
|
1058 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1059 | |
|
|
1060 | LOCK (reqlock); |
|
|
1061 | |
|
|
1062 | for (;;) |
|
|
1063 | { |
|
|
1064 | self->req = req = reqq_shift (&req_queue); |
|
|
1065 | |
|
|
1066 | if (req) |
|
|
1067 | break; |
|
|
1068 | |
|
|
1069 | ++idle; |
|
|
1070 | |
|
|
1071 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1072 | == ETIMEDOUT) |
|
|
1073 | { |
|
|
1074 | if (idle > max_idle) |
|
|
1075 | { |
|
|
1076 | --idle; |
|
|
1077 | UNLOCK (reqlock); |
|
|
1078 | LOCK (wrklock); |
|
|
1079 | --started; |
|
|
1080 | UNLOCK (wrklock); |
|
|
1081 | goto quit; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1085 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1086 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | --idle; |
|
|
1090 | } |
|
|
1091 | |
|
|
1092 | --nready; |
|
|
1093 | |
|
|
1094 | UNLOCK (reqlock); |
|
|
1095 | |
|
|
1096 | errno = 0; /* strictly unnecessary */ |
|
|
1097 | |
|
|
1098 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1099 | switch (req->type) |
|
|
1100 | { |
|
|
1101 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1102 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1103 | |
|
|
1104 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1105 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1106 | |
|
|
1107 | case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break; |
|
|
1108 | case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break; |
|
|
1109 | case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break; |
|
|
1110 | |
|
|
1111 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1112 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1113 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1114 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1115 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1116 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1117 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1118 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1119 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1120 | |
|
|
1121 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1122 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1123 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1124 | |
|
|
1125 | case REQ_BUSY: |
|
|
1126 | { |
|
|
1127 | struct timeval tv; |
|
|
1128 | |
|
|
1129 | tv.tv_sec = req->int1; |
|
|
1130 | tv.tv_usec = req->int2; |
|
|
1131 | |
|
|
1132 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1133 | } |
|
|
1134 | |
|
|
1135 | case REQ_GROUP: |
|
|
1136 | case REQ_NOP: |
|
|
1137 | break; |
|
|
1138 | |
|
|
1139 | case REQ_QUIT: |
|
|
1140 | goto quit; |
|
|
1141 | |
|
|
1142 | default: |
|
|
1143 | req->result = ENOSYS; |
|
|
1144 | break; |
|
|
1145 | } |
|
|
1146 | |
|
|
1147 | req->errorno = errno; |
|
|
1148 | |
|
|
1149 | LOCK (reslock); |
|
|
1150 | |
|
|
1151 | ++npending; |
|
|
1152 | |
|
|
1153 | if (!reqq_push (&res_queue, req)) |
|
|
1154 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1155 | write (respipe [1], &respipe, 1); |
|
|
1156 | |
|
|
1157 | self->req = 0; |
|
|
1158 | worker_clear (self); |
|
|
1159 | |
|
|
1160 | UNLOCK (reslock); |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | quit: |
|
|
1164 | LOCK (wrklock); |
|
|
1165 | worker_free (self); |
|
|
1166 | UNLOCK (wrklock); |
|
|
1167 | |
|
|
1168 | return 0; |
|
|
1169 | } |
|
|
1170 | |
|
|
1171 | /*****************************************************************************/ |
|
|
1172 | |
|
|
1173 | static void atfork_prepare (void) |
|
|
1174 | { |
|
|
1175 | LOCK (wrklock); |
|
|
1176 | LOCK (reqlock); |
|
|
1177 | LOCK (reslock); |
|
|
1178 | #if !HAVE_PREADWRITE |
|
|
1179 | LOCK (preadwritelock); |
|
|
1180 | #endif |
|
|
1181 | #if !HAVE_READDIR_R |
|
|
1182 | LOCK (readdirlock); |
|
|
1183 | #endif |
|
|
1184 | } |
|
|
1185 | |
|
|
1186 | static void atfork_parent (void) |
|
|
1187 | { |
|
|
1188 | #if !HAVE_READDIR_R |
|
|
1189 | UNLOCK (readdirlock); |
|
|
1190 | #endif |
|
|
1191 | #if !HAVE_PREADWRITE |
|
|
1192 | UNLOCK (preadwritelock); |
|
|
1193 | #endif |
|
|
1194 | UNLOCK (reslock); |
|
|
1195 | UNLOCK (reqlock); |
|
|
1196 | UNLOCK (wrklock); |
|
|
1197 | } |
|
|
1198 | |
|
|
1199 | static void atfork_child (void) |
|
|
1200 | { |
|
|
1201 | aio_req prv; |
|
|
1202 | |
|
|
1203 | while (prv = reqq_shift (&req_queue)) |
|
|
1204 | req_free (prv); |
|
|
1205 | |
|
|
1206 | while (prv = reqq_shift (&res_queue)) |
|
|
1207 | req_free (prv); |
|
|
1208 | |
|
|
1209 | while (wrk_first.next != &wrk_first) |
|
|
1210 | { |
|
|
1211 | worker *wrk = wrk_first.next; |
|
|
1212 | |
|
|
1213 | if (wrk->req) |
|
|
1214 | req_free (wrk->req); |
|
|
1215 | |
|
|
1216 | worker_clear (wrk); |
|
|
1217 | worker_free (wrk); |
|
|
1218 | } |
|
|
1219 | |
|
|
1220 | started = 0; |
|
|
1221 | idle = 0; |
|
|
1222 | nreqs = 0; |
|
|
1223 | nready = 0; |
|
|
1224 | npending = 0; |
|
|
1225 | |
|
|
1226 | close (respipe [0]); |
|
|
1227 | close (respipe [1]); |
|
|
1228 | create_pipe (); |
|
|
1229 | |
|
|
1230 | atfork_parent (); |
|
|
1231 | } |
551 | } |
1232 | |
552 | |
1233 | #define dREQ \ |
553 | #define dREQ \ |
|
|
554 | SV *cb_cv; \ |
1234 | aio_req req; \ |
555 | aio_req req; \ |
1235 | int req_pri = next_pri; \ |
556 | int req_pri = next_pri; \ |
1236 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
557 | next_pri = EIO_PRI_DEFAULT; \ |
1237 | \ |
558 | \ |
1238 | if (SvOK (callback) && !SvROK (callback)) \ |
559 | cb_cv = get_cb (callback); \ |
1239 | croak ("callback must be undef or of reference type"); \ |
|
|
1240 | \ |
560 | \ |
1241 | Newz (0, req, 1, aio_cb); \ |
561 | Newz (0, req, 1, eio_req); \ |
1242 | if (!req) \ |
562 | if (!req) \ |
1243 | croak ("out of memory during aio_req allocation"); \ |
563 | croak ("out of memory during eio_req allocation"); \ |
1244 | \ |
564 | \ |
1245 | req->callback = newSVsv (callback); \ |
565 | req->callback = SvREFCNT_inc (cb_cv); \ |
1246 | req->pri = req_pri |
566 | req->pri = req_pri |
1247 | |
567 | |
1248 | #define REQ_SEND \ |
568 | #define REQ_SEND \ |
|
|
569 | PUTBACK; \ |
1249 | req_send (req); \ |
570 | req_submit (req); \ |
|
|
571 | SPAGAIN; \ |
1250 | \ |
572 | \ |
1251 | if (GIMME_V != G_VOID) \ |
573 | if (GIMME_V != G_VOID) \ |
1252 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
574 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1253 | |
575 | |
1254 | MODULE = IO::AIO PACKAGE = IO::AIO |
576 | MODULE = IO::AIO PACKAGE = IO::AIO |
1255 | |
577 | |
1256 | PROTOTYPES: ENABLE |
578 | PROTOTYPES: ENABLE |
1257 | |
579 | |
1258 | BOOT: |
580 | BOOT: |
1259 | { |
581 | { |
|
|
582 | static const struct { |
|
|
583 | const char *name; |
|
|
584 | IV iv; |
|
|
585 | } *civ, const_iv[] = { |
|
|
586 | # define const_iv(name, value) { # name, (IV) value }, |
|
|
587 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
588 | const_iv (EXDEV , EXDEV) |
|
|
589 | const_iv (ENOSYS , ENOSYS) |
|
|
590 | const_iv (O_RDONLY, O_RDONLY) |
|
|
591 | const_iv (O_WRONLY, O_WRONLY) |
|
|
592 | const_iv (O_CREAT , O_CREAT) |
|
|
593 | const_iv (O_TRUNC , O_TRUNC) |
|
|
594 | #ifndef _WIN32 |
|
|
595 | const_iv (S_IFIFO , S_IFIFO) |
|
|
596 | #endif |
|
|
597 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
598 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
599 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
600 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
601 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
602 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
603 | |
|
|
604 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
605 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
606 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
607 | |
|
|
608 | const_eio (READDIR_DENTS) |
|
|
609 | const_eio (READDIR_DIRS_FIRST) |
|
|
610 | const_eio (READDIR_STAT_ORDER) |
|
|
611 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
612 | |
|
|
613 | const_eio (DT_UNKNOWN) |
|
|
614 | const_eio (DT_FIFO) |
|
|
615 | const_eio (DT_CHR) |
|
|
616 | const_eio (DT_DIR) |
|
|
617 | const_eio (DT_BLK) |
|
|
618 | const_eio (DT_REG) |
|
|
619 | const_eio (DT_LNK) |
|
|
620 | const_eio (DT_SOCK) |
|
|
621 | const_eio (DT_WHT) |
|
|
622 | }; |
|
|
623 | |
1260 | HV *stash = gv_stashpv ("IO::AIO", 1); |
624 | stash = gv_stashpv ("IO::AIO", 1); |
1261 | |
625 | |
1262 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
626 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1263 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
627 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1264 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1265 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1266 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1267 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1268 | |
628 | |
1269 | create_pipe (); |
629 | create_respipe (); |
1270 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
630 | |
|
|
631 | if (eio_init (want_poll, done_poll) < 0) |
|
|
632 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
633 | |
|
|
634 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
635 | X_THREAD_ATFORK (0, 0, atfork_child); |
1271 | } |
636 | } |
1272 | |
637 | |
1273 | void |
638 | void |
1274 | max_poll_reqs (int nreqs) |
639 | max_poll_reqs (int nreqs) |
1275 | PROTOTYPE: $ |
640 | PROTOTYPE: $ |
1276 | CODE: |
641 | CODE: |
1277 | max_poll_reqs = nreqs; |
642 | eio_set_max_poll_reqs (nreqs); |
1278 | |
643 | |
1279 | void |
644 | void |
1280 | max_poll_time (double nseconds) |
645 | max_poll_time (double nseconds) |
1281 | PROTOTYPE: $ |
646 | PROTOTYPE: $ |
1282 | CODE: |
647 | CODE: |
1283 | max_poll_time = nseconds * AIO_TICKS; |
648 | eio_set_max_poll_time (nseconds); |
1284 | |
649 | |
1285 | void |
650 | void |
1286 | min_parallel (int nthreads) |
651 | min_parallel (int nthreads) |
1287 | PROTOTYPE: $ |
652 | PROTOTYPE: $ |
|
|
653 | CODE: |
|
|
654 | eio_set_min_parallel (nthreads); |
1288 | |
655 | |
1289 | void |
656 | void |
1290 | max_parallel (int nthreads) |
657 | max_parallel (int nthreads) |
1291 | PROTOTYPE: $ |
658 | PROTOTYPE: $ |
|
|
659 | CODE: |
|
|
660 | eio_set_max_parallel (nthreads); |
1292 | |
661 | |
1293 | void |
662 | void |
1294 | max_idle (int nthreads) |
663 | max_idle (int nthreads) |
1295 | PROTOTYPE: $ |
664 | PROTOTYPE: $ |
1296 | CODE: |
665 | CODE: |
1297 | set_max_idle (nthreads); |
666 | eio_set_max_idle (nthreads); |
1298 | |
667 | |
1299 | int |
668 | void |
1300 | max_outstanding (int maxreqs) |
669 | max_outstanding (int maxreqs) |
1301 | PROTOTYPE: $ |
670 | PROTOTYPE: $ |
1302 | CODE: |
671 | CODE: |
1303 | RETVAL = max_outstanding; |
|
|
1304 | max_outstanding = maxreqs; |
672 | max_outstanding = maxreqs; |
1305 | OUTPUT: |
|
|
1306 | RETVAL |
|
|
1307 | |
673 | |
1308 | void |
674 | void |
1309 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
675 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1310 | SV * pathname |
|
|
1311 | int flags |
|
|
1312 | int mode |
|
|
1313 | SV * callback |
|
|
1314 | PROTOTYPE: $$$;$ |
676 | PROTOTYPE: $$$;$ |
1315 | PPCODE: |
677 | PPCODE: |
1316 | { |
678 | { |
1317 | dREQ; |
679 | dREQ; |
1318 | |
680 | |
1319 | req->type = REQ_OPEN; |
681 | req->type = EIO_OPEN; |
1320 | req->sv1 = newSVsv (pathname); |
682 | req->sv1 = newSVsv (pathname); |
1321 | req->ptr1 = SvPVbyte_nolen (pathname); |
683 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1322 | req->int1 = flags; |
684 | req->int1 = flags; |
1323 | req->mode = mode; |
685 | req->int2 = mode; |
1324 | |
686 | |
1325 | REQ_SEND; |
687 | REQ_SEND; |
1326 | } |
688 | } |
1327 | |
689 | |
1328 | void |
690 | void |
1329 | aio_close (fh,callback=&PL_sv_undef) |
691 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1330 | SV * fh |
|
|
1331 | SV * callback |
|
|
1332 | PROTOTYPE: $;$ |
692 | PROTOTYPE: $;$ |
1333 | ALIAS: |
693 | ALIAS: |
1334 | aio_close = REQ_CLOSE |
|
|
1335 | aio_fsync = REQ_FSYNC |
694 | aio_fsync = EIO_FSYNC |
1336 | aio_fdatasync = REQ_FDATASYNC |
695 | aio_fdatasync = EIO_FDATASYNC |
1337 | PPCODE: |
696 | PPCODE: |
1338 | { |
697 | { |
|
|
698 | int fd = s_fileno_croak (fh, 0); |
1339 | dREQ; |
699 | dREQ; |
1340 | |
700 | |
1341 | req->type = ix; |
701 | req->type = ix; |
1342 | req->fh = newSVsv (fh); |
702 | req->sv1 = newSVsv (fh); |
1343 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
703 | req->int1 = fd; |
1344 | |
704 | |
1345 | REQ_SEND (req); |
705 | REQ_SEND (req); |
1346 | } |
706 | } |
1347 | |
707 | |
1348 | void |
708 | void |
|
|
709 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
710 | PROTOTYPE: $$$$;$ |
|
|
711 | PPCODE: |
|
|
712 | { |
|
|
713 | int fd = s_fileno_croak (fh, 0); |
|
|
714 | dREQ; |
|
|
715 | |
|
|
716 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
717 | req->sv1 = newSVsv (fh); |
|
|
718 | req->int1 = fd; |
|
|
719 | req->offs = offset; |
|
|
720 | req->size = nbytes; |
|
|
721 | req->int2 = flags; |
|
|
722 | |
|
|
723 | REQ_SEND (req); |
|
|
724 | } |
|
|
725 | |
|
|
726 | void |
|
|
727 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
728 | PROTOTYPE: $;$ |
|
|
729 | PPCODE: |
|
|
730 | { |
|
|
731 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
732 | int fd = s_fileno_croak (fh, 0); |
|
|
733 | dREQ; |
|
|
734 | |
|
|
735 | if (close_pipe < 0) |
|
|
736 | { |
|
|
737 | int pipefd [2]; |
|
|
738 | |
|
|
739 | if (pipe (pipefd) < 0 |
|
|
740 | || close (pipefd [1]) < 0 |
|
|
741 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
742 | abort (); /*D*/ |
|
|
743 | |
|
|
744 | close_pipe = pipefd [0]; |
|
|
745 | } |
|
|
746 | |
|
|
747 | req->type = EIO_DUP2; |
|
|
748 | req->int1 = close_pipe; |
|
|
749 | req->sv2 = newSVsv (fh); |
|
|
750 | req->int2 = fd; |
|
|
751 | |
|
|
752 | REQ_SEND (req); |
|
|
753 | } |
|
|
754 | |
|
|
755 | void |
1349 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
756 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1350 | SV * fh |
|
|
1351 | UV offset |
|
|
1352 | UV length |
|
|
1353 | SV * data |
|
|
1354 | UV dataoffset |
|
|
1355 | SV * callback |
|
|
1356 | ALIAS: |
757 | ALIAS: |
1357 | aio_read = REQ_READ |
758 | aio_read = EIO_READ |
1358 | aio_write = REQ_WRITE |
759 | aio_write = EIO_WRITE |
1359 | PROTOTYPE: $$$$$;$ |
760 | PROTOTYPE: $$$$$;$ |
1360 | PPCODE: |
761 | PPCODE: |
1361 | { |
762 | { |
1362 | STRLEN svlen; |
763 | STRLEN svlen; |
|
|
764 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1363 | char *svptr = SvPVbyte (data, svlen); |
765 | char *svptr = SvPVbyte (data, svlen); |
1364 | |
766 | UV len = SvUV (length); |
1365 | SvUPGRADE (data, SVt_PV); |
|
|
1366 | SvPOK_on (data); |
|
|
1367 | |
767 | |
1368 | if (dataoffset < 0) |
768 | if (dataoffset < 0) |
1369 | dataoffset += svlen; |
769 | dataoffset += svlen; |
1370 | |
770 | |
1371 | if (dataoffset < 0 || dataoffset > svlen) |
771 | if (dataoffset < 0 || dataoffset > svlen) |
1372 | croak ("data offset outside of string"); |
772 | croak ("dataoffset outside of data scalar"); |
1373 | |
773 | |
1374 | if (ix == REQ_WRITE) |
774 | if (ix == EIO_WRITE) |
1375 | { |
775 | { |
1376 | /* write: check length and adjust. */ |
776 | /* write: check length and adjust. */ |
1377 | if (length < 0 || length + dataoffset > svlen) |
777 | if (!SvOK (length) || len + dataoffset > svlen) |
1378 | length = svlen - dataoffset; |
778 | len = svlen - dataoffset; |
1379 | } |
779 | } |
1380 | else |
780 | else |
1381 | { |
781 | { |
1382 | /* read: grow scalar as necessary */ |
782 | /* read: check type and grow scalar as necessary */ |
|
|
783 | SvUPGRADE (data, SVt_PV); |
1383 | svptr = SvGROW (data, length + dataoffset); |
784 | svptr = SvGROW (data, len + dataoffset + 1); |
1384 | } |
785 | } |
1385 | |
|
|
1386 | if (length < 0) |
|
|
1387 | croak ("length must not be negative"); |
|
|
1388 | |
786 | |
1389 | { |
787 | { |
1390 | dREQ; |
788 | dREQ; |
1391 | |
789 | |
1392 | req->type = ix; |
790 | req->type = ix; |
1393 | req->fh = newSVsv (fh); |
791 | req->sv1 = newSVsv (fh); |
1394 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
792 | req->int1 = fd; |
1395 | : IoOFP (sv_2io (fh))); |
793 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1396 | req->offs = offset; |
|
|
1397 | req->size = length; |
794 | req->size = len; |
1398 | req->sv1 = SvREFCNT_inc (data); |
795 | req->sv2 = SvREFCNT_inc (data); |
1399 | req->ptr1 = (char *)svptr + dataoffset; |
796 | req->ptr2 = (char *)svptr + dataoffset; |
1400 | req->stroffset = dataoffset; |
797 | req->stroffset = dataoffset; |
1401 | |
798 | |
1402 | if (!SvREADONLY (data)) |
799 | if (!SvREADONLY (data)) |
1403 | { |
800 | { |
1404 | SvREADONLY_on (data); |
801 | SvREADONLY_on (data); |
1405 | req->flags |= FLAG_DATA_RO_OFF; |
802 | req->flags |= FLAG_SV2_RO_OFF; |
1406 | } |
803 | } |
1407 | |
804 | |
1408 | REQ_SEND; |
805 | REQ_SEND; |
1409 | } |
806 | } |
1410 | } |
807 | } |
1411 | |
808 | |
1412 | void |
809 | void |
1413 | aio_readlink (path,callback=&PL_sv_undef) |
810 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1414 | SV * path |
|
|
1415 | SV * callback |
|
|
1416 | PROTOTYPE: $$;$ |
811 | PROTOTYPE: $$;$ |
1417 | PPCODE: |
812 | PPCODE: |
1418 | { |
813 | { |
1419 | SV *data; |
814 | SV *data; |
1420 | dREQ; |
815 | dREQ; |
1421 | |
816 | |
1422 | data = newSV (NAME_MAX); |
|
|
1423 | SvPOK_on (data); |
|
|
1424 | |
|
|
1425 | req->type = REQ_READLINK; |
817 | req->type = EIO_READLINK; |
1426 | req->fh = newSVsv (path); |
818 | req->sv1 = newSVsv (path); |
1427 | req->ptr2 = SvPVbyte_nolen (path); |
|
|
1428 | req->sv1 = data; |
|
|
1429 | req->ptr1 = SvPVbyte_nolen (data); |
819 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1430 | |
820 | |
1431 | REQ_SEND; |
821 | REQ_SEND; |
1432 | } |
822 | } |
1433 | |
823 | |
1434 | void |
824 | void |
1435 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
825 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1436 | SV * out_fh |
|
|
1437 | SV * in_fh |
|
|
1438 | UV in_offset |
|
|
1439 | UV length |
|
|
1440 | SV * callback |
|
|
1441 | PROTOTYPE: $$$$;$ |
826 | PROTOTYPE: $$$$;$ |
1442 | PPCODE: |
827 | PPCODE: |
1443 | { |
828 | { |
|
|
829 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
830 | int ofd = s_fileno_croak (out_fh, 1); |
1444 | dREQ; |
831 | dREQ; |
1445 | |
832 | |
1446 | req->type = REQ_SENDFILE; |
833 | req->type = EIO_SENDFILE; |
1447 | req->fh = newSVsv (out_fh); |
834 | req->sv1 = newSVsv (out_fh); |
1448 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
835 | req->int1 = ofd; |
1449 | req->sv2 = newSVsv (in_fh); |
836 | req->sv2 = newSVsv (in_fh); |
1450 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
837 | req->int2 = ifd; |
1451 | req->offs = in_offset; |
838 | req->offs = in_offset; |
1452 | req->size = length; |
839 | req->size = length; |
1453 | |
840 | |
1454 | REQ_SEND; |
841 | REQ_SEND; |
1455 | } |
842 | } |
1456 | |
843 | |
1457 | void |
844 | void |
1458 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
845 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1459 | SV * fh |
|
|
1460 | UV offset |
|
|
1461 | IV length |
|
|
1462 | SV * callback |
|
|
1463 | PROTOTYPE: $$$;$ |
846 | PROTOTYPE: $$$;$ |
1464 | PPCODE: |
847 | PPCODE: |
1465 | { |
848 | { |
|
|
849 | int fd = s_fileno_croak (fh, 0); |
1466 | dREQ; |
850 | dREQ; |
1467 | |
851 | |
1468 | req->type = REQ_READAHEAD; |
852 | req->type = EIO_READAHEAD; |
1469 | req->fh = newSVsv (fh); |
853 | req->sv1 = newSVsv (fh); |
1470 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
854 | req->int1 = fd; |
1471 | req->offs = offset; |
855 | req->offs = offset; |
1472 | req->size = length; |
856 | req->size = length; |
1473 | |
857 | |
1474 | REQ_SEND; |
858 | REQ_SEND; |
1475 | } |
859 | } |
1476 | |
860 | |
1477 | void |
861 | void |
1478 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
862 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1479 | SV * fh_or_path |
|
|
1480 | SV * callback |
|
|
1481 | ALIAS: |
863 | ALIAS: |
1482 | aio_stat = REQ_STAT |
864 | aio_stat = EIO_STAT |
1483 | aio_lstat = REQ_LSTAT |
865 | aio_lstat = EIO_LSTAT |
1484 | PPCODE: |
866 | PPCODE: |
1485 | { |
867 | { |
1486 | dREQ; |
868 | dREQ; |
1487 | |
869 | |
1488 | New (0, req->statdata, 1, Stat_t); |
870 | req->sv1 = newSVsv (fh_or_path); |
1489 | if (!req->statdata) |
|
|
1490 | { |
|
|
1491 | req_free (req); |
|
|
1492 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1493 | } |
|
|
1494 | |
871 | |
1495 | if (SvPOK (fh_or_path)) |
872 | if (SvPOK (req->sv1)) |
1496 | { |
873 | { |
1497 | req->type = ix; |
874 | req->type = ix; |
1498 | req->sv1 = newSVsv (fh_or_path); |
|
|
1499 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
875 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1500 | } |
876 | } |
1501 | else |
877 | else |
1502 | { |
878 | { |
1503 | req->type = REQ_FSTAT; |
879 | req->type = EIO_FSTAT; |
1504 | req->fh = newSVsv (fh_or_path); |
|
|
1505 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
880 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1506 | } |
881 | } |
1507 | |
882 | |
1508 | REQ_SEND; |
883 | REQ_SEND; |
1509 | } |
884 | } |
1510 | |
885 | |
1511 | void |
886 | void |
|
|
887 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
888 | PPCODE: |
|
|
889 | { |
|
|
890 | dREQ; |
|
|
891 | |
|
|
892 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
893 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
894 | req->sv1 = newSVsv (fh_or_path); |
|
|
895 | |
|
|
896 | if (SvPOK (req->sv1)) |
|
|
897 | { |
|
|
898 | req->type = EIO_UTIME; |
|
|
899 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
900 | } |
|
|
901 | else |
|
|
902 | { |
|
|
903 | req->type = EIO_FUTIME; |
|
|
904 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
905 | } |
|
|
906 | |
|
|
907 | REQ_SEND; |
|
|
908 | } |
|
|
909 | |
|
|
910 | void |
|
|
911 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
912 | PPCODE: |
|
|
913 | { |
|
|
914 | dREQ; |
|
|
915 | |
|
|
916 | req->sv1 = newSVsv (fh_or_path); |
|
|
917 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
918 | |
|
|
919 | if (SvPOK (req->sv1)) |
|
|
920 | { |
|
|
921 | req->type = EIO_TRUNCATE; |
|
|
922 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
923 | } |
|
|
924 | else |
|
|
925 | { |
|
|
926 | req->type = EIO_FTRUNCATE; |
|
|
927 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
928 | } |
|
|
929 | |
|
|
930 | REQ_SEND; |
|
|
931 | } |
|
|
932 | |
|
|
933 | void |
|
|
934 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
935 | ALIAS: |
|
|
936 | aio_chmod = EIO_CHMOD |
|
|
937 | aio_mkdir = EIO_MKDIR |
|
|
938 | PPCODE: |
|
|
939 | { |
|
|
940 | dREQ; |
|
|
941 | |
|
|
942 | req->int2 = mode; |
|
|
943 | req->sv1 = newSVsv (fh_or_path); |
|
|
944 | |
|
|
945 | if (SvPOK (req->sv1)) |
|
|
946 | { |
|
|
947 | req->type = ix; |
|
|
948 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
949 | } |
|
|
950 | else |
|
|
951 | { |
|
|
952 | req->type = EIO_FCHMOD; |
|
|
953 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
954 | } |
|
|
955 | |
|
|
956 | REQ_SEND; |
|
|
957 | } |
|
|
958 | |
|
|
959 | void |
|
|
960 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
961 | PPCODE: |
|
|
962 | { |
|
|
963 | dREQ; |
|
|
964 | |
|
|
965 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
966 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
967 | req->sv1 = newSVsv (fh_or_path); |
|
|
968 | |
|
|
969 | if (SvPOK (req->sv1)) |
|
|
970 | { |
|
|
971 | req->type = EIO_CHOWN; |
|
|
972 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
973 | } |
|
|
974 | else |
|
|
975 | { |
|
|
976 | req->type = EIO_FCHOWN; |
|
|
977 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
978 | } |
|
|
979 | |
|
|
980 | REQ_SEND; |
|
|
981 | } |
|
|
982 | |
|
|
983 | void |
|
|
984 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
985 | PPCODE: |
|
|
986 | { |
|
|
987 | dREQ; |
|
|
988 | |
|
|
989 | req->type = EIO_READDIR; |
|
|
990 | req->sv1 = newSVsv (pathname); |
|
|
991 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
992 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
993 | |
|
|
994 | if (flags & EIO_READDIR_DENTS) |
|
|
995 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
996 | |
|
|
997 | REQ_SEND; |
|
|
998 | } |
|
|
999 | |
|
|
1000 | void |
1512 | aio_unlink (pathname,callback=&PL_sv_undef) |
1001 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1513 | SV * pathname |
|
|
1514 | SV * callback |
|
|
1515 | ALIAS: |
1002 | ALIAS: |
1516 | aio_unlink = REQ_UNLINK |
1003 | aio_unlink = EIO_UNLINK |
1517 | aio_rmdir = REQ_RMDIR |
1004 | aio_rmdir = EIO_RMDIR |
1518 | aio_readdir = REQ_READDIR |
1005 | aio_readdir = EIO_READDIR |
1519 | PPCODE: |
1006 | PPCODE: |
1520 | { |
1007 | { |
1521 | dREQ; |
1008 | dREQ; |
1522 | |
1009 | |
1523 | req->type = ix; |
1010 | req->type = ix; |
1524 | req->sv1 = newSVsv (pathname); |
1011 | req->sv1 = newSVsv (pathname); |
1525 | req->ptr1 = SvPVbyte_nolen (pathname); |
1012 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1526 | |
1013 | |
1527 | REQ_SEND; |
1014 | REQ_SEND; |
1528 | } |
1015 | } |
1529 | |
1016 | |
1530 | void |
1017 | void |
1531 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1018 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1532 | SV * oldpath |
|
|
1533 | SV * newpath |
|
|
1534 | SV * callback |
|
|
1535 | ALIAS: |
1019 | ALIAS: |
1536 | aio_link = REQ_LINK |
1020 | aio_link = EIO_LINK |
1537 | aio_symlink = REQ_SYMLINK |
1021 | aio_symlink = EIO_SYMLINK |
1538 | aio_rename = REQ_RENAME |
1022 | aio_rename = EIO_RENAME |
1539 | PPCODE: |
1023 | PPCODE: |
1540 | { |
1024 | { |
1541 | dREQ; |
1025 | dREQ; |
1542 | |
1026 | |
1543 | req->type = ix; |
1027 | req->type = ix; |
1544 | req->fh = newSVsv (oldpath); |
1028 | req->sv1 = newSVsv (oldpath); |
1545 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1029 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1546 | req->sv1 = newSVsv (newpath); |
1030 | req->sv2 = newSVsv (newpath); |
1547 | req->ptr1 = SvPVbyte_nolen (newpath); |
1031 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1548 | |
1032 | |
1549 | REQ_SEND; |
1033 | REQ_SEND; |
1550 | } |
1034 | } |
1551 | |
1035 | |
1552 | void |
1036 | void |
1553 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1037 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1554 | SV * pathname |
|
|
1555 | SV * callback |
|
|
1556 | UV mode |
|
|
1557 | UV dev |
|
|
1558 | PPCODE: |
1038 | PPCODE: |
1559 | { |
1039 | { |
1560 | dREQ; |
1040 | dREQ; |
1561 | |
1041 | |
1562 | req->type = REQ_MKNOD; |
1042 | req->type = EIO_MKNOD; |
1563 | req->sv1 = newSVsv (pathname); |
1043 | req->sv1 = newSVsv (pathname); |
1564 | req->ptr1 = SvPVbyte_nolen (pathname); |
1044 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1565 | req->mode = (mode_t)mode; |
1045 | req->int2 = (mode_t)mode; |
1566 | req->offs = dev; |
1046 | req->offs = dev; |
1567 | |
1047 | |
1568 | REQ_SEND; |
1048 | REQ_SEND; |
1569 | } |
1049 | } |
1570 | |
1050 | |
1571 | void |
1051 | void |
1572 | aio_busy (delay,callback=&PL_sv_undef) |
1052 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1573 | double delay |
|
|
1574 | SV * callback |
|
|
1575 | PPCODE: |
1053 | PPCODE: |
1576 | { |
1054 | { |
1577 | dREQ; |
1055 | dREQ; |
1578 | |
1056 | |
1579 | req->type = REQ_BUSY; |
1057 | req->type = EIO_BUSY; |
1580 | req->int1 = delay < 0. ? 0 : delay; |
1058 | req->nv1 = delay < 0. ? 0. : delay; |
1581 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1582 | |
1059 | |
1583 | REQ_SEND; |
1060 | REQ_SEND; |
1584 | } |
1061 | } |
1585 | |
1062 | |
1586 | void |
1063 | void |
1587 | aio_group (callback=&PL_sv_undef) |
1064 | aio_group (SV *callback=&PL_sv_undef) |
1588 | SV * callback |
|
|
1589 | PROTOTYPE: ;$ |
1065 | PROTOTYPE: ;$ |
1590 | PPCODE: |
1066 | PPCODE: |
1591 | { |
1067 | { |
1592 | dREQ; |
1068 | dREQ; |
1593 | |
1069 | |
1594 | req->type = REQ_GROUP; |
1070 | req->type = EIO_GROUP; |
1595 | |
1071 | |
1596 | req_send (req); |
1072 | req_submit (req); |
1597 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1073 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1598 | } |
1074 | } |
1599 | |
1075 | |
1600 | void |
1076 | void |
1601 | aio_nop (callback=&PL_sv_undef) |
1077 | aio_nop (SV *callback=&PL_sv_undef) |
1602 | SV * callback |
1078 | ALIAS: |
|
|
1079 | aio_nop = EIO_NOP |
|
|
1080 | aio_sync = EIO_SYNC |
1603 | PPCODE: |
1081 | PPCODE: |
1604 | { |
1082 | { |
1605 | dREQ; |
1083 | dREQ; |
1606 | |
1084 | |
1607 | req->type = REQ_NOP; |
1085 | req->type = ix; |
1608 | |
1086 | |
1609 | REQ_SEND; |
1087 | REQ_SEND; |
1610 | } |
1088 | } |
1611 | |
1089 | |
1612 | int |
1090 | int |
1613 | aioreq_pri (int pri = 0) |
1091 | aioreq_pri (int pri = 0) |
1614 | PROTOTYPE: ;$ |
1092 | PROTOTYPE: ;$ |
1615 | CODE: |
1093 | CODE: |
1616 | RETVAL = next_pri - PRI_BIAS; |
1094 | RETVAL = next_pri; |
1617 | if (items > 0) |
1095 | if (items > 0) |
1618 | { |
1096 | { |
1619 | if (pri < PRI_MIN) pri = PRI_MIN; |
1097 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1620 | if (pri > PRI_MAX) pri = PRI_MAX; |
1098 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1621 | next_pri = pri + PRI_BIAS; |
1099 | next_pri = pri; |
1622 | } |
1100 | } |
1623 | OUTPUT: |
1101 | OUTPUT: |
1624 | RETVAL |
1102 | RETVAL |
1625 | |
1103 | |
1626 | void |
1104 | void |
1627 | aioreq_nice (int nice = 0) |
1105 | aioreq_nice (int nice = 0) |
1628 | CODE: |
1106 | CODE: |
1629 | nice = next_pri - nice; |
1107 | nice = next_pri - nice; |
1630 | if (nice < PRI_MIN) nice = PRI_MIN; |
1108 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1631 | if (nice > PRI_MAX) nice = PRI_MAX; |
1109 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1632 | next_pri = nice + PRI_BIAS; |
1110 | next_pri = nice; |
1633 | |
1111 | |
1634 | void |
1112 | void |
1635 | flush () |
1113 | flush () |
1636 | PROTOTYPE: |
1114 | PROTOTYPE: |
1637 | CODE: |
1115 | CODE: |
1638 | while (nreqs) |
1116 | while (eio_nreqs ()) |
1639 | { |
1117 | { |
1640 | poll_wait (); |
1118 | poll_wait (); |
1641 | poll_cb (0); |
1119 | poll_cb (); |
1642 | } |
1120 | } |
1643 | |
1121 | |
1644 | void |
1122 | int |
1645 | poll() |
1123 | poll() |
1646 | PROTOTYPE: |
1124 | PROTOTYPE: |
1647 | CODE: |
1125 | CODE: |
1648 | if (nreqs) |
|
|
1649 | { |
|
|
1650 | poll_wait (); |
1126 | poll_wait (); |
1651 | poll_cb (0); |
1127 | RETVAL = poll_cb (); |
1652 | } |
1128 | OUTPUT: |
|
|
1129 | RETVAL |
1653 | |
1130 | |
1654 | int |
1131 | int |
1655 | poll_fileno() |
1132 | poll_fileno() |
1656 | PROTOTYPE: |
1133 | PROTOTYPE: |
1657 | CODE: |
1134 | CODE: |
… | |
… | |
1669 | |
1146 | |
1670 | void |
1147 | void |
1671 | poll_wait() |
1148 | poll_wait() |
1672 | PROTOTYPE: |
1149 | PROTOTYPE: |
1673 | CODE: |
1150 | CODE: |
1674 | if (nreqs) |
|
|
1675 | poll_wait (); |
1151 | poll_wait (); |
1676 | |
1152 | |
1677 | int |
1153 | int |
1678 | nreqs() |
1154 | nreqs() |
1679 | PROTOTYPE: |
1155 | PROTOTYPE: |
1680 | CODE: |
1156 | CODE: |
1681 | RETVAL = nreqs; |
1157 | RETVAL = eio_nreqs (); |
1682 | OUTPUT: |
1158 | OUTPUT: |
1683 | RETVAL |
1159 | RETVAL |
1684 | |
1160 | |
1685 | int |
1161 | int |
1686 | nready() |
1162 | nready() |
1687 | PROTOTYPE: |
1163 | PROTOTYPE: |
1688 | CODE: |
1164 | CODE: |
1689 | RETVAL = get_nready (); |
1165 | RETVAL = eio_nready (); |
1690 | OUTPUT: |
1166 | OUTPUT: |
1691 | RETVAL |
1167 | RETVAL |
1692 | |
1168 | |
1693 | int |
1169 | int |
1694 | npending() |
1170 | npending() |
1695 | PROTOTYPE: |
1171 | PROTOTYPE: |
1696 | CODE: |
1172 | CODE: |
1697 | RETVAL = get_npending (); |
1173 | RETVAL = eio_npending (); |
1698 | OUTPUT: |
1174 | OUTPUT: |
1699 | RETVAL |
1175 | RETVAL |
1700 | |
1176 | |
1701 | int |
1177 | int |
1702 | nthreads() |
1178 | nthreads() |
1703 | PROTOTYPE: |
1179 | PROTOTYPE: |
1704 | CODE: |
1180 | CODE: |
1705 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1181 | RETVAL = eio_nthreads (); |
1706 | RETVAL = started; |
|
|
1707 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1708 | OUTPUT: |
1182 | OUTPUT: |
1709 | RETVAL |
1183 | RETVAL |
1710 | |
1184 | |
|
|
1185 | int |
|
|
1186 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1187 | PROTOTYPE: $$$$ |
|
|
1188 | CODE: |
|
|
1189 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1190 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1191 | #else |
|
|
1192 | RETVAL = errno = ENOSYS; |
|
|
1193 | #endif |
|
|
1194 | OUTPUT: |
|
|
1195 | RETVAL |
|
|
1196 | |
|
|
1197 | ssize_t |
|
|
1198 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1199 | PROTOTYPE: $$$$ |
|
|
1200 | CODE: |
|
|
1201 | eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1202 | |
|
|
1203 | void _on_next_submit (SV *cb) |
|
|
1204 | CODE: |
|
|
1205 | SvREFCNT_dec (on_next_submit); |
|
|
1206 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1207 | |
1711 | PROTOTYPES: DISABLE |
1208 | PROTOTYPES: DISABLE |
1712 | |
1209 | |
1713 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1210 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1714 | |
1211 | |
1715 | void |
1212 | void |
1716 | cancel (aio_req_ornot req) |
1213 | cancel (aio_req_ornot req) |
1717 | CODE: |
1214 | CODE: |
1718 | req_cancel (req); |
1215 | eio_cancel (req); |
1719 | |
1216 | |
1720 | void |
1217 | void |
1721 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1218 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1722 | CODE: |
1219 | PPCODE: |
|
|
1220 | { |
|
|
1221 | if (GIMME_V != G_VOID) |
|
|
1222 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1223 | |
|
|
1224 | if (items > 1) |
|
|
1225 | { |
|
|
1226 | SV *cb_cv = get_cb (callback); |
|
|
1227 | |
1723 | SvREFCNT_dec (req->callback); |
1228 | SvREFCNT_dec (req->callback); |
1724 | req->callback = newSVsv (callback); |
1229 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1230 | } |
|
|
1231 | } |
1725 | |
1232 | |
1726 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1233 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1727 | |
1234 | |
1728 | void |
1235 | void |
1729 | add (aio_req grp, ...) |
1236 | add (aio_req grp, ...) |
1730 | PPCODE: |
1237 | PPCODE: |
1731 | { |
1238 | { |
1732 | int i; |
1239 | int i; |
1733 | aio_req req; |
|
|
1734 | |
1240 | |
1735 | if (grp->int1 == 2) |
1241 | if (grp->int1 == 2) |
1736 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1242 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1737 | |
1243 | |
1738 | for (i = 1; i < items; ++i ) |
1244 | for (i = 1; i < items; ++i ) |
1739 | { |
1245 | { |
|
|
1246 | aio_req req; |
|
|
1247 | |
1740 | if (GIMME_V != G_VOID) |
1248 | if (GIMME_V != G_VOID) |
1741 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1249 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1742 | |
1250 | |
1743 | req = SvAIO_REQ (ST (i)); |
1251 | req = SvAIO_REQ (ST (i)); |
1744 | |
1252 | |
1745 | if (req) |
1253 | if (req) |
1746 | { |
1254 | eio_grp_add (grp, req); |
1747 | ++grp->size; |
|
|
1748 | req->grp = grp; |
|
|
1749 | |
|
|
1750 | req->grp_prev = 0; |
|
|
1751 | req->grp_next = grp->grp_first; |
|
|
1752 | |
|
|
1753 | if (grp->grp_first) |
|
|
1754 | grp->grp_first->grp_prev = req; |
|
|
1755 | |
|
|
1756 | grp->grp_first = req; |
|
|
1757 | } |
|
|
1758 | } |
1255 | } |
1759 | } |
1256 | } |
1760 | |
1257 | |
1761 | void |
1258 | void |
1762 | cancel_subs (aio_req_ornot req) |
1259 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1771 | AV *av; |
1268 | AV *av; |
1772 | |
1269 | |
1773 | grp->errorno = errno; |
1270 | grp->errorno = errno; |
1774 | |
1271 | |
1775 | av = newAV (); |
1272 | av = newAV (); |
|
|
1273 | av_extend (av, items - 1); |
1776 | |
1274 | |
1777 | for (i = 1; i < items; ++i ) |
1275 | for (i = 1; i < items; ++i ) |
1778 | av_push (av, newSVsv (ST (i))); |
1276 | av_push (av, newSVsv (ST (i))); |
1779 | |
1277 | |
1780 | SvREFCNT_dec (grp->sv1); |
1278 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1787 | grp->errorno = errorno; |
1285 | grp->errorno = errorno; |
1788 | |
1286 | |
1789 | void |
1287 | void |
1790 | limit (aio_req grp, int limit) |
1288 | limit (aio_req grp, int limit) |
1791 | CODE: |
1289 | CODE: |
1792 | grp->int2 = limit; |
1290 | eio_grp_limit (grp, limit); |
1793 | aio_grp_feed (grp); |
|
|
1794 | |
1291 | |
1795 | void |
1292 | void |
1796 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1293 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1797 | CODE: |
1294 | CODE: |
1798 | { |
1295 | { |
1799 | SvREFCNT_dec (grp->sv2); |
1296 | SvREFCNT_dec (grp->sv2); |
1800 | grp->sv2 = newSVsv (callback); |
1297 | grp->sv2 = newSVsv (callback); |
|
|
1298 | grp->feed = aio_grp_feed; |
1801 | |
1299 | |
1802 | if (grp->int2 <= 0) |
1300 | if (grp->int2 <= 0) |
1803 | grp->int2 = 2; |
1301 | grp->int2 = 2; |
1804 | |
1302 | |
1805 | aio_grp_feed (grp); |
1303 | eio_grp_limit (grp, grp->int2); |
1806 | } |
1304 | } |
1807 | |
1305 | |