1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
8 | |
8 | |
9 | #include "autoconf/config.h" |
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10 | |
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11 | #include <stddef.h> |
9 | #include <stddef.h> |
12 | #include <stdlib.h> |
10 | #include <stdlib.h> |
13 | #include <errno.h> |
11 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
12 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
18 | #include <limits.h> |
14 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
15 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #include <sched.h> |
16 | #include <sched.h> |
23 | |
17 | |
24 | #if HAVE_SENDFILE |
18 | /* perl namespace pollution */ |
25 | # if __linux |
19 | #undef VERSION |
26 | # include <sys/sendfile.h> |
20 | |
27 | # elif __freebsd |
21 | #ifdef _WIN32 |
28 | # include <sys/socket.h> |
22 | |
29 | # include <sys/uio.h> |
23 | # define EIO_STRUCT_DIRENT Direntry_t |
30 | # elif __hpux |
24 | # undef malloc |
31 | # include <sys/socket.h> |
25 | # undef free |
32 | # elif __solaris /* not yet */ |
26 | |
33 | # include <sys/sendfile.h> |
27 | // perl overrides all those nice win32 functions |
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28 | # undef open |
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29 | # undef read |
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30 | # undef write |
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31 | # undef send |
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32 | # undef recv |
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33 | # undef stat |
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34 | # undef fstat |
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35 | # define lstat stat |
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36 | # undef truncate |
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37 | # undef ftruncate |
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38 | # undef open |
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39 | # undef close |
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40 | # undef unlink |
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41 | # undef rmdir |
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42 | # undef rename |
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43 | # undef lseek |
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44 | |
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45 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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46 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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47 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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48 | # define symlink(a,b) (errno = ENOSYS, -1) |
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49 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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50 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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51 | # define truncate(a,b) (errno = ENOSYS, -1) |
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52 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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53 | # define fsync(fd) _commit (fd) |
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54 | # define opendir(fd) (errno = ENOSYS, 0) |
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55 | # define readdir(fd) (errno = ENOSYS, -1) |
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56 | # define closedir(fd) (errno = ENOSYS, -1) |
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57 | # define mkdir(a,b) mkdir (a) |
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58 | |
34 | # else |
59 | #else |
35 | # error sendfile support requested but not available |
60 | |
36 | # endif |
61 | # include <sys/time.h> |
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62 | # include <sys/select.h> |
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63 | # include <unistd.h> |
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64 | # include <utime.h> |
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65 | # include <signal.h> |
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66 | # define EIO_STRUCT_DIRENT struct dirent |
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67 | |
37 | #endif |
68 | #endif |
38 | |
69 | |
39 | /* number of seconds after which idle threads exit */ |
70 | /* perl stupidly overrides readdir and maybe others */ |
40 | #define IDLE_TIMEOUT 10 |
71 | /* with thread-unsafe versions, imagine that :( */ |
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72 | #undef readdir |
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73 | #undef opendir |
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74 | #undef closedir |
41 | |
75 | |
42 | /* used for struct dirent, AIX doesn't provide it */ |
76 | #define EIO_STRUCT_STAT Stat_t |
43 | #ifndef NAME_MAX |
77 | |
44 | # define NAME_MAX 4096 |
78 | /* use NV for 32 bit perls as it allows larger offsets */ |
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79 | #if IVSIZE >= 8 |
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80 | # define SvVAL64 SvIV |
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81 | #else |
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82 | # define SvVAL64 SvNV |
45 | #endif |
83 | #endif |
46 | |
84 | |
47 | /* buffer size for various temporary buffers */ |
85 | /*****************************************************************************/ |
48 | #define AIO_BUFSIZE 65536 |
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49 | |
86 | |
50 | #define dBUF \ |
87 | #if __GNUC__ >= 3 |
51 | char *aio_buf; \ |
88 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
52 | LOCK (wrklock); \ |
89 | #else |
53 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
90 | # define expect(expr,value) (expr) |
54 | UNLOCK (wrklock); \ |
91 | #endif |
55 | if (!aio_buf) \ |
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56 | return -1; |
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57 | |
92 | |
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93 | #define expect_false(expr) expect ((expr) != 0, 0) |
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94 | #define expect_true(expr) expect ((expr) != 0, 1) |
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95 | |
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96 | /*****************************************************************************/ |
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97 | |
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98 | static HV *stash; |
58 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
99 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
59 | |
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60 | enum { |
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61 | REQ_QUIT, |
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62 | REQ_OPEN, REQ_CLOSE, |
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63 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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64 | REQ_SENDFILE, |
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65 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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66 | REQ_FSYNC, REQ_FDATASYNC, |
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67 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
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68 | REQ_MKNOD, REQ_READDIR, |
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69 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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70 | REQ_GROUP, REQ_NOP, |
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71 | REQ_BUSY, |
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72 | }; |
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73 | |
100 | |
74 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
101 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
75 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
102 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
76 | |
103 | |
77 | typedef struct aio_cb |
104 | #define EIO_REQ_MEMBERS \ |
78 | { |
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79 | struct aio_cb *volatile next; |
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80 | |
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81 | SV *callback, *fh; |
105 | SV *callback; \ |
82 | SV *sv1, *sv2; |
106 | SV *sv1, *sv2; \ |
83 | void *ptr1, *ptr2; |
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84 | off_t offs; |
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85 | size_t size; |
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86 | ssize_t result; |
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87 | |
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88 | STRLEN stroffset; |
107 | STRLEN stroffset; \ |
89 | int type; |
108 | SV *self; |
90 | int int1, int2; |
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91 | int errorno; |
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92 | mode_t mode; /* open */ |
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93 | |
109 | |
94 | unsigned char flags; |
110 | #define EIO_NO_WRAPPERS 1 |
95 | unsigned char pri; |
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96 | |
111 | |
97 | SV *self; /* the perl counterpart of this request, if any */ |
112 | #include "libeio/eio.h" |
98 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
113 | |
99 | } aio_cb; |
114 | static int req_invoke (eio_req *req); |
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115 | #define EIO_FINISH(req) req_invoke (req) |
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116 | static void req_destroy (eio_req *grp); |
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117 | #define EIO_DESTROY(req) req_destroy (req) |
100 | |
118 | |
101 | enum { |
119 | enum { |
102 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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103 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
104 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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105 | }; |
121 | }; |
106 | |
122 | |
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123 | #include "libeio/eio.c" |
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124 | |
107 | typedef aio_cb *aio_req; |
125 | typedef eio_req *aio_req; |
108 | typedef aio_cb *aio_req_ornot; |
126 | typedef eio_req *aio_req_ornot; |
109 | |
127 | |
110 | enum { |
128 | static SV *on_next_submit; |
111 | PRI_MIN = -4, |
129 | static int next_pri = EIO_PRI_DEFAULT; |
112 | PRI_MAX = 4, |
130 | static int max_outstanding; |
113 | |
131 | |
114 | DEFAULT_PRI = 0, |
132 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
115 | PRI_BIAS = -PRI_MIN, |
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116 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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117 | }; |
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118 | |
133 | |
119 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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120 | |
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121 | static unsigned int max_poll_time = 0; |
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122 | static unsigned int max_poll_reqs = 0; |
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123 | |
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124 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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125 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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126 | { |
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127 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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128 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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129 | } |
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130 | |
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131 | static thread_t main_tid; |
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132 | static int main_sig; |
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133 | static int block_sig_level; |
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134 | |
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135 | void block_sig () |
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136 | { |
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137 | sigset_t ss; |
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138 | |
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139 | if (block_sig_level++) |
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140 | return; |
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141 | |
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142 | if (!main_sig) |
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143 | return; |
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144 | |
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145 | sigemptyset (&ss); |
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146 | sigaddset (&ss, main_sig); |
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147 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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148 | } |
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149 | |
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150 | void unblock_sig () |
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151 | { |
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152 | sigset_t ss; |
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153 | |
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154 | if (--block_sig_level) |
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155 | return; |
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156 | |
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157 | if (!main_sig) |
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158 | return; |
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159 | |
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160 | sigemptyset (&ss); |
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161 | sigaddset (&ss, main_sig); |
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162 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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163 | } |
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164 | |
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165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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166 | |
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167 | static unsigned int started, idle, wanted; |
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168 | |
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169 | /* worker threads management */ |
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170 | static mutex_t wrklock = MUTEX_INIT; |
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171 | |
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172 | typedef struct worker { |
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173 | /* locked by wrklock */ |
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174 | struct worker *prev, *next; |
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175 | |
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176 | thread_t tid; |
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177 | |
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178 | /* locked by reslock, reqlock or wrklock */ |
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179 | aio_req req; /* currently processed request */ |
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180 | void *dbuf; |
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181 | DIR *dirp; |
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182 | } worker; |
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183 | |
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184 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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185 | |
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186 | static void worker_clear (worker *wrk) |
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187 | { |
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188 | if (wrk->dirp) |
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189 | { |
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190 | closedir (wrk->dirp); |
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191 | wrk->dirp = 0; |
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192 | } |
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193 | |
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194 | if (wrk->dbuf) |
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195 | { |
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196 | free (wrk->dbuf); |
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197 | wrk->dbuf = 0; |
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198 | } |
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199 | } |
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200 | |
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201 | static void worker_free (worker *wrk) |
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202 | { |
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203 | wrk->next->prev = wrk->prev; |
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204 | wrk->prev->next = wrk->next; |
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205 | |
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206 | free (wrk); |
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207 | } |
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208 | |
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209 | static volatile unsigned int nreqs, nready, npending; |
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210 | static volatile unsigned int max_idle = 4; |
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211 | static volatile unsigned int max_outstanding = 0xffffffff; |
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212 | static int respipe [2]; |
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213 | |
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214 | static mutex_t reslock = MUTEX_INIT; |
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215 | static mutex_t reqlock = MUTEX_INIT; |
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216 | static cond_t reqwait = COND_INIT; |
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217 | |
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218 | #if WORDACCESS_UNSAFE |
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219 | |
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220 | static unsigned int get_nready () |
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221 | { |
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222 | unsigned int retval; |
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223 | |
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224 | LOCK (reqlock); |
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225 | retval = nready; |
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226 | UNLOCK (reqlock); |
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227 | |
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228 | return retval; |
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229 | } |
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230 | |
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231 | static unsigned int get_npending () |
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232 | { |
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233 | unsigned int retval; |
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234 | |
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235 | LOCK (reslock); |
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236 | retval = npending; |
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237 | UNLOCK (reslock); |
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238 | |
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239 | return retval; |
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240 | } |
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241 | |
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242 | static unsigned int get_nthreads () |
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243 | { |
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244 | unsigned int retval; |
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245 | |
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246 | LOCK (wrklock); |
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247 | retval = started; |
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248 | UNLOCK (wrklock); |
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249 | |
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250 | return retval; |
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251 | } |
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252 | |
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253 | #else |
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254 | |
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255 | # define get_nready() nready |
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256 | # define get_npending() npending |
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257 | # define get_nthreads() started |
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258 | |
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259 | #endif |
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260 | |
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261 | /* |
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262 | * a somewhat faster data structure might be nice, but |
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263 | * with 8 priorities this actually needs <20 insns |
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264 | * per shift, the most expensive operation. |
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265 | */ |
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266 | typedef struct { |
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267 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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268 | int size; |
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269 | } reqq; |
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270 | |
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271 | static reqq req_queue; |
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272 | static reqq res_queue; |
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273 | |
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274 | int reqq_push (reqq *q, aio_req req) |
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275 | { |
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276 | int pri = req->pri; |
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277 | req->next = 0; |
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278 | |
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279 | if (q->qe[pri]) |
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280 | { |
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281 | q->qe[pri]->next = req; |
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282 | q->qe[pri] = req; |
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283 | } |
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284 | else |
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285 | q->qe[pri] = q->qs[pri] = req; |
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286 | |
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287 | return q->size++; |
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288 | } |
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289 | |
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290 | aio_req reqq_shift (reqq *q) |
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291 | { |
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292 | int pri; |
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293 | |
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294 | if (!q->size) |
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295 | return 0; |
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296 | |
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297 | --q->size; |
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298 | |
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299 | for (pri = NUM_PRI; pri--; ) |
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300 | { |
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301 | aio_req req = q->qs[pri]; |
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302 | |
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303 | if (req) |
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304 | { |
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305 | if (!(q->qs[pri] = req->next)) |
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306 | q->qe[pri] = 0; |
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307 | |
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308 | return req; |
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309 | } |
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310 | } |
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311 | |
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312 | abort (); |
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313 | } |
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314 | |
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315 | static int poll_cb (); |
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316 | static int req_invoke (aio_req req); |
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317 | static void req_free (aio_req req); |
134 | static void req_destroy (aio_req req); |
318 | static void req_cancel (aio_req req); |
135 | static void req_cancel (aio_req req); |
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136 | |
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137 | static void want_poll (void) |
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138 | { |
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139 | /* write a dummy byte to the pipe so fh becomes ready */ |
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140 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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141 | } |
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142 | |
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143 | static void done_poll (void) |
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144 | { |
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145 | /* read any signals sent by the worker threads */ |
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146 | char buf [4]; |
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147 | while (respipe_read (respipe [0], buf, 4) == 4) |
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148 | ; |
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149 | } |
319 | |
150 | |
320 | /* must be called at most once */ |
151 | /* must be called at most once */ |
321 | static SV *req_sv (aio_req req, const char *klass) |
152 | static SV *req_sv (aio_req req, const char *klass) |
322 | { |
153 | { |
323 | if (!req->self) |
154 | if (!req->self) |
… | |
… | |
341 | return mg ? (aio_req)mg->mg_ptr : 0; |
172 | return mg ? (aio_req)mg->mg_ptr : 0; |
342 | } |
173 | } |
343 | |
174 | |
344 | static void aio_grp_feed (aio_req grp) |
175 | static void aio_grp_feed (aio_req grp) |
345 | { |
176 | { |
346 | block_sig (); |
177 | if (grp->sv2 && SvOK (grp->sv2)) |
347 | |
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348 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
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349 | { |
178 | { |
350 | int old_len = grp->size; |
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351 | |
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352 | if (grp->sv2 && SvOK (grp->sv2)) |
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353 | { |
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354 | dSP; |
179 | dSP; |
355 | |
180 | |
356 | ENTER; |
181 | ENTER; |
357 | SAVETMPS; |
182 | SAVETMPS; |
358 | PUSHMARK (SP); |
183 | PUSHMARK (SP); |
359 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
184 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
360 | PUTBACK; |
185 | PUTBACK; |
361 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
186 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
362 | SPAGAIN; |
187 | SPAGAIN; |
363 | FREETMPS; |
188 | FREETMPS; |
364 | LEAVE; |
189 | LEAVE; |
365 | } |
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366 | |
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367 | /* stop if no progress has been made */ |
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368 | if (old_len == grp->size) |
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369 | { |
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370 | SvREFCNT_dec (grp->sv2); |
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371 | grp->sv2 = 0; |
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372 | break; |
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373 | } |
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374 | } |
190 | } |
375 | |
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376 | unblock_sig (); |
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377 | } |
191 | } |
378 | |
192 | |
379 | static void aio_grp_dec (aio_req grp) |
193 | static void req_submit (eio_req *req) |
380 | { |
194 | { |
381 | --grp->size; |
195 | eio_submit (req); |
382 | |
196 | |
383 | /* call feeder, if applicable */ |
197 | if (expect_false (on_next_submit)) |
384 | aio_grp_feed (grp); |
|
|
385 | |
|
|
386 | /* finish, if done */ |
|
|
387 | if (!grp->size && grp->int1) |
|
|
388 | { |
198 | { |
389 | block_sig (); |
199 | dSP; |
|
|
200 | SV *cb = sv_2mortal (on_next_submit); |
390 | |
201 | |
391 | if (!req_invoke (grp)) |
202 | on_next_submit = 0; |
392 | { |
|
|
393 | req_free (grp); |
|
|
394 | unblock_sig (); |
|
|
395 | croak (0); |
|
|
396 | } |
|
|
397 | |
203 | |
398 | req_free (grp); |
204 | PUSHMARK (SP); |
399 | unblock_sig (); |
205 | PUTBACK; |
|
|
206 | call_sv (cb, G_DISCARD | G_EVAL); |
400 | } |
207 | } |
401 | } |
208 | } |
402 | |
209 | |
403 | static int req_invoke (aio_req req) |
210 | static int req_invoke (eio_req *req) |
404 | { |
211 | { |
405 | dSP; |
212 | dSP; |
406 | |
213 | |
407 | if (req->flags & FLAG_SV1_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
408 | SvREADONLY_off (req->sv1); |
215 | SvREADONLY_off (req->sv2); |
409 | |
216 | |
410 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
411 | { |
218 | { |
412 | ENTER; |
219 | ENTER; |
413 | SAVETMPS; |
220 | SAVETMPS; |
414 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
415 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
416 | |
223 | |
417 | switch (req->type) |
224 | switch (req->type) |
418 | { |
225 | { |
419 | case REQ_READDIR: |
226 | case EIO_READDIR: |
420 | { |
227 | { |
421 | SV *rv = &PL_sv_undef; |
228 | SV *rv = &PL_sv_undef; |
422 | |
229 | |
423 | if (req->result >= 0) |
230 | if (req->result >= 0) |
424 | { |
231 | { |
… | |
… | |
428 | |
235 | |
429 | av_extend (av, req->result - 1); |
236 | av_extend (av, req->result - 1); |
430 | |
237 | |
431 | for (i = 0; i < req->result; ++i) |
238 | for (i = 0; i < req->result; ++i) |
432 | { |
239 | { |
|
|
240 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
241 | { |
|
|
242 | eio_dirent *ent = (eio_dirent *)buf; |
|
|
243 | SV *namesv = newSVpvn (ent->name, ent->namelen); |
|
|
244 | |
|
|
245 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
246 | { |
|
|
247 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
248 | AV *avent = newAV (); |
|
|
249 | |
|
|
250 | av_extend (avent, 2); |
|
|
251 | |
|
|
252 | if (!sv_type [ent->type]) |
|
|
253 | { |
|
|
254 | sv_type [ent->type] = newSViv (ent->type); |
|
|
255 | SvREADONLY_on (sv_type [ent->type]); |
|
|
256 | } |
|
|
257 | |
|
|
258 | av_store (avent, 0, namesv); |
|
|
259 | av_store (avent, 1, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
260 | av_store (avent, 2, SvREFCNT_inc (sv_type [ent->type])); |
|
|
261 | |
|
|
262 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
263 | } |
|
|
264 | else |
|
|
265 | av_store (av, i, namesv); |
|
|
266 | |
|
|
267 | buf += sizeof (eio_dirent); |
|
|
268 | } |
|
|
269 | else |
|
|
270 | { |
433 | SV *sv = newSVpv (buf, 0); |
271 | SV *name = newSVpv (buf, 0); |
434 | |
|
|
435 | av_store (av, i, sv); |
272 | av_store (av, i, name); |
436 | buf += SvCUR (sv) + 1; |
273 | buf += SvCUR (name) + 1; |
|
|
274 | } |
437 | } |
275 | } |
438 | |
276 | |
439 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
277 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
440 | } |
278 | } |
441 | |
279 | |
442 | PUSHs (rv); |
280 | PUSHs (rv); |
|
|
281 | |
|
|
282 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
283 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
443 | } |
284 | } |
444 | break; |
285 | break; |
445 | |
286 | |
446 | case REQ_OPEN: |
287 | case EIO_OPEN: |
447 | { |
288 | { |
448 | /* convert fd to fh */ |
289 | /* convert fd to fh */ |
449 | SV *fh; |
290 | SV *fh = &PL_sv_undef; |
450 | |
291 | |
451 | PUSHs (sv_2mortal (newSViv (req->result))); |
292 | if (req->result >= 0) |
452 | PUTBACK; |
293 | { |
453 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
294 | GV *gv = (GV *)sv_newmortal (); |
454 | SPAGAIN; |
295 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
296 | char sym [64]; |
|
|
297 | int symlen; |
|
|
298 | |
|
|
299 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
300 | gv_init (gv, stash, sym, symlen, 0); |
455 | |
301 | |
456 | fh = POPs; |
302 | symlen = snprintf ( |
457 | PUSHMARK (SP); |
303 | sym, |
|
|
304 | sizeof (sym), |
|
|
305 | "%s&=%d", |
|
|
306 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
307 | req->result |
|
|
308 | ); |
|
|
309 | |
|
|
310 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
311 | fh = (SV *)gv; |
|
|
312 | } |
|
|
313 | |
458 | XPUSHs (fh); |
314 | PUSHs (fh); |
459 | } |
315 | } |
460 | break; |
316 | break; |
461 | |
317 | |
462 | case REQ_GROUP: |
318 | case EIO_GROUP: |
463 | req->int1 = 2; /* mark group as finished */ |
319 | req->int1 = 2; /* mark group as finished */ |
464 | |
320 | |
465 | if (req->sv1) |
321 | if (req->sv1) |
466 | { |
322 | { |
467 | int i; |
323 | int i; |
… | |
… | |
471 | for (i = 0; i <= AvFILL (av); ++i) |
327 | for (i = 0; i <= AvFILL (av); ++i) |
472 | PUSHs (*av_fetch (av, i, 0)); |
328 | PUSHs (*av_fetch (av, i, 0)); |
473 | } |
329 | } |
474 | break; |
330 | break; |
475 | |
331 | |
476 | case REQ_NOP: |
332 | case EIO_NOP: |
477 | case REQ_BUSY: |
333 | case EIO_BUSY: |
478 | break; |
334 | break; |
479 | |
335 | |
480 | case REQ_READLINK: |
336 | case EIO_READLINK: |
481 | if (req->result > 0) |
337 | if (req->result > 0) |
482 | { |
338 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
483 | SvCUR_set (req->sv1, req->result); |
|
|
484 | *SvEND (req->sv1) = 0; |
|
|
485 | PUSHs (req->sv1); |
|
|
486 | } |
|
|
487 | break; |
339 | break; |
488 | |
340 | |
489 | case REQ_STAT: |
341 | case EIO_STAT: |
490 | case REQ_LSTAT: |
342 | case EIO_LSTAT: |
491 | case REQ_FSTAT: |
343 | case EIO_FSTAT: |
492 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
344 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
493 | PL_laststatval = req->result; |
345 | PL_laststatval = req->result; |
494 | PL_statcache = *(Stat_t *)(req->ptr2); |
346 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
495 | PUSHs (sv_2mortal (newSViv (req->result))); |
347 | PUSHs (sv_2mortal (newSViv (req->result))); |
496 | break; |
348 | break; |
497 | |
349 | |
498 | case REQ_READ: |
350 | case EIO_READ: |
|
|
351 | { |
499 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
352 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
500 | *SvEND (req->sv1) = 0; |
353 | *SvEND (req->sv2) = 0; |
|
|
354 | SvPOK_only (req->sv2); |
|
|
355 | SvSETMAGIC (req->sv2); |
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
356 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
357 | } |
502 | break; |
358 | break; |
|
|
359 | |
|
|
360 | case EIO_DUP2: |
|
|
361 | if (req->result > 0) |
|
|
362 | req->result = 0; |
|
|
363 | /* FALLTHROUGH */ |
503 | |
364 | |
504 | default: |
365 | default: |
505 | PUSHs (sv_2mortal (newSViv (req->result))); |
366 | PUSHs (sv_2mortal (newSViv (req->result))); |
506 | break; |
367 | break; |
507 | } |
368 | } |
508 | |
369 | |
509 | errno = req->errorno; |
370 | errno = req->errorno; |
510 | |
371 | |
511 | PUTBACK; |
372 | PUTBACK; |
512 | call_sv (req->callback, G_VOID | G_EVAL); |
373 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
513 | SPAGAIN; |
374 | SPAGAIN; |
514 | |
375 | |
515 | FREETMPS; |
376 | FREETMPS; |
516 | LEAVE; |
377 | LEAVE; |
|
|
378 | |
|
|
379 | PUTBACK; |
517 | } |
380 | } |
518 | |
381 | |
519 | if (req->grp) |
|
|
520 | { |
|
|
521 | aio_req grp = req->grp; |
|
|
522 | |
|
|
523 | /* unlink request */ |
|
|
524 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
525 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
526 | |
|
|
527 | if (grp->grp_first == req) |
|
|
528 | grp->grp_first = req->grp_next; |
|
|
529 | |
|
|
530 | aio_grp_dec (grp); |
|
|
531 | } |
|
|
532 | |
|
|
533 | return !SvTRUE (ERRSV); |
382 | return !!SvTRUE (ERRSV); |
534 | } |
383 | } |
535 | |
384 | |
536 | static void req_free (aio_req req) |
385 | static void req_destroy (aio_req req) |
537 | { |
386 | { |
538 | if (req->self) |
387 | if (req->self) |
539 | { |
388 | { |
540 | sv_unmagic (req->self, PERL_MAGIC_ext); |
389 | sv_unmagic (req->self, PERL_MAGIC_ext); |
541 | SvREFCNT_dec (req->self); |
390 | SvREFCNT_dec (req->self); |
542 | } |
391 | } |
543 | |
392 | |
544 | SvREFCNT_dec (req->fh); |
|
|
545 | SvREFCNT_dec (req->sv1); |
393 | SvREFCNT_dec (req->sv1); |
546 | SvREFCNT_dec (req->sv2); |
394 | SvREFCNT_dec (req->sv2); |
547 | SvREFCNT_dec (req->callback); |
395 | SvREFCNT_dec (req->callback); |
548 | |
396 | |
549 | if (req->flags & FLAG_PTR2_FREE) |
|
|
550 | free (req->ptr2); |
|
|
551 | |
|
|
552 | Safefree (req); |
397 | Safefree (req); |
553 | } |
398 | } |
554 | |
399 | |
555 | static void req_cancel_subs (aio_req grp) |
400 | static void req_cancel_subs (aio_req grp) |
556 | { |
401 | { |
557 | aio_req sub; |
402 | aio_req sub; |
558 | |
403 | |
559 | if (grp->type != REQ_GROUP) |
404 | if (grp->type != EIO_GROUP) |
560 | return; |
405 | return; |
561 | |
406 | |
562 | SvREFCNT_dec (grp->sv2); |
407 | SvREFCNT_dec (grp->sv2); |
563 | grp->sv2 = 0; |
408 | grp->sv2 = 0; |
564 | |
409 | |
565 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
410 | eio_grp_cancel (grp); |
566 | req_cancel (sub); |
|
|
567 | } |
411 | } |
568 | |
412 | |
569 | static void req_cancel (aio_req req) |
413 | #ifdef USE_SOCKETS_AS_HANDLES |
570 | { |
414 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
571 | req->flags |= FLAG_CANCELLED; |
415 | #else |
|
|
416 | # define TO_SOCKET(x) (x) |
|
|
417 | #endif |
572 | |
418 | |
573 | req_cancel_subs (req); |
419 | static void |
574 | } |
420 | create_respipe (void) |
575 | |
|
|
576 | static void *aio_proc(void *arg); |
|
|
577 | |
|
|
578 | static void start_thread (void) |
|
|
579 | { |
421 | { |
580 | worker *wrk = calloc (1, sizeof (worker)); |
422 | int old_readfd = respipe [0]; |
581 | |
423 | |
582 | if (!wrk) |
424 | if (respipe [1] >= 0) |
583 | croak ("unable to allocate worker thread data"); |
425 | respipe_close (TO_SOCKET (respipe [1])); |
584 | |
426 | |
585 | LOCK (wrklock); |
427 | #ifdef _WIN32 |
|
|
428 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
429 | #else |
|
|
430 | if (pipe (respipe)) |
|
|
431 | #endif |
|
|
432 | croak ("unable to initialize result pipe"); |
586 | |
433 | |
587 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
434 | if (old_readfd >= 0) |
588 | { |
435 | { |
589 | wrk->prev = &wrk_first; |
436 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
590 | wrk->next = wrk_first.next; |
437 | croak ("unable to initialize result pipe(2)"); |
591 | wrk_first.next->prev = wrk; |
438 | |
592 | wrk_first.next = wrk; |
439 | respipe_close (respipe [0]); |
593 | ++started; |
440 | respipe [0] = old_readfd; |
594 | } |
441 | } |
595 | else |
|
|
596 | free (wrk); |
|
|
597 | |
442 | |
598 | UNLOCK (wrklock); |
443 | #ifdef _WIN32 |
599 | } |
444 | int arg = 1; |
|
|
445 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
446 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
447 | #else |
|
|
448 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
449 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
450 | #endif |
|
|
451 | croak ("unable to initialize result pipe(3)"); |
600 | |
452 | |
601 | static void maybe_start_thread () |
453 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
602 | { |
454 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
603 | if (get_nthreads () >= wanted) |
|
|
604 | return; |
|
|
605 | |
|
|
606 | /* todo: maybe use idle here, but might be less exact */ |
|
|
607 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
608 | return; |
|
|
609 | |
|
|
610 | start_thread (); |
|
|
611 | } |
455 | } |
612 | |
456 | |
613 | static void req_send (aio_req req) |
|
|
614 | { |
|
|
615 | block_sig (); |
|
|
616 | |
|
|
617 | ++nreqs; |
|
|
618 | |
|
|
619 | LOCK (reqlock); |
|
|
620 | ++nready; |
|
|
621 | reqq_push (&req_queue, req); |
|
|
622 | COND_SIGNAL (reqwait); |
|
|
623 | UNLOCK (reqlock); |
|
|
624 | |
|
|
625 | unblock_sig (); |
|
|
626 | |
|
|
627 | maybe_start_thread (); |
|
|
628 | } |
|
|
629 | |
|
|
630 | static void end_thread (void) |
|
|
631 | { |
|
|
632 | aio_req req; |
|
|
633 | |
|
|
634 | Newz (0, req, 1, aio_cb); |
|
|
635 | |
|
|
636 | req->type = REQ_QUIT; |
|
|
637 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
638 | |
|
|
639 | LOCK (reqlock); |
|
|
640 | reqq_push (&req_queue, req); |
|
|
641 | COND_SIGNAL (reqwait); |
|
|
642 | UNLOCK (reqlock); |
|
|
643 | |
|
|
644 | LOCK (wrklock); |
|
|
645 | --started; |
|
|
646 | UNLOCK (wrklock); |
|
|
647 | } |
|
|
648 | |
|
|
649 | static void set_max_idle (int nthreads) |
|
|
650 | { |
|
|
651 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
652 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
653 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
654 | } |
|
|
655 | |
|
|
656 | static void min_parallel (int nthreads) |
|
|
657 | { |
|
|
658 | if (wanted < nthreads) |
|
|
659 | wanted = nthreads; |
|
|
660 | } |
|
|
661 | |
|
|
662 | static void max_parallel (int nthreads) |
|
|
663 | { |
|
|
664 | if (wanted > nthreads) |
|
|
665 | wanted = nthreads; |
|
|
666 | |
|
|
667 | while (started > wanted) |
|
|
668 | end_thread (); |
|
|
669 | } |
|
|
670 | |
|
|
671 | static void poll_wait () |
457 | static void poll_wait (void) |
672 | { |
458 | { |
673 | fd_set rfd; |
459 | fd_set rfd; |
674 | |
460 | |
675 | while (nreqs) |
461 | while (eio_nreqs ()) |
676 | { |
462 | { |
677 | int size; |
463 | int size; |
678 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
464 | |
|
|
465 | X_LOCK (reslock); |
679 | size = res_queue.size; |
466 | size = res_queue.size; |
680 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
467 | X_UNLOCK (reslock); |
681 | |
468 | |
682 | if (size) |
469 | if (size) |
683 | return; |
470 | return; |
684 | |
471 | |
685 | maybe_start_thread (); |
472 | etp_maybe_start_thread (); |
686 | |
473 | |
687 | FD_ZERO(&rfd); |
474 | FD_ZERO (&rfd); |
688 | FD_SET(respipe [0], &rfd); |
475 | FD_SET (respipe [0], &rfd); |
689 | |
476 | |
690 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
477 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
691 | } |
478 | } |
692 | } |
479 | } |
693 | |
480 | |
694 | static int poll_cb () |
481 | static int poll_cb (void) |
695 | { |
482 | { |
696 | dSP; |
|
|
697 | int count = 0; |
|
|
698 | int maxreqs = max_poll_reqs; |
|
|
699 | int do_croak = 0; |
|
|
700 | struct timeval tv_start, tv_now; |
|
|
701 | aio_req req; |
|
|
702 | |
|
|
703 | if (max_poll_time) |
|
|
704 | gettimeofday (&tv_start, 0); |
|
|
705 | |
|
|
706 | block_sig (); |
|
|
707 | |
|
|
708 | for (;;) |
483 | for (;;) |
709 | { |
484 | { |
710 | for (;;) |
485 | int res = eio_poll (); |
711 | { |
|
|
712 | maybe_start_thread (); |
|
|
713 | |
486 | |
714 | LOCK (reslock); |
487 | if (res > 0) |
715 | req = reqq_shift (&res_queue); |
|
|
716 | |
|
|
717 | if (req) |
|
|
718 | { |
|
|
719 | --npending; |
|
|
720 | |
|
|
721 | if (!res_queue.size) |
|
|
722 | { |
|
|
723 | /* read any signals sent by the worker threads */ |
|
|
724 | char buf [4]; |
|
|
725 | while (read (respipe [0], buf, 4) == 4) |
|
|
726 | ; |
|
|
727 | } |
|
|
728 | } |
|
|
729 | |
|
|
730 | UNLOCK (reslock); |
|
|
731 | |
|
|
732 | if (!req) |
|
|
733 | break; |
|
|
734 | |
|
|
735 | --nreqs; |
|
|
736 | |
|
|
737 | if (req->type == REQ_GROUP && req->size) |
|
|
738 | { |
|
|
739 | req->int1 = 1; /* mark request as delayed */ |
|
|
740 | continue; |
|
|
741 | } |
|
|
742 | else |
|
|
743 | { |
|
|
744 | if (!req_invoke (req)) |
|
|
745 | { |
|
|
746 | req_free (req); |
|
|
747 | unblock_sig (); |
|
|
748 | croak (0); |
488 | croak (0); |
749 | } |
|
|
750 | |
489 | |
751 | count++; |
490 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
752 | } |
491 | return res; |
753 | |
|
|
754 | req_free (req); |
|
|
755 | |
|
|
756 | if (maxreqs && !--maxreqs) |
|
|
757 | break; |
|
|
758 | |
|
|
759 | if (max_poll_time) |
|
|
760 | { |
|
|
761 | gettimeofday (&tv_now, 0); |
|
|
762 | |
|
|
763 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
764 | break; |
|
|
765 | } |
|
|
766 | } |
|
|
767 | |
|
|
768 | if (nreqs <= max_outstanding) |
|
|
769 | break; |
|
|
770 | |
492 | |
771 | poll_wait (); |
493 | poll_wait (); |
772 | |
|
|
773 | ++maxreqs; |
|
|
774 | } |
494 | } |
775 | |
|
|
776 | unblock_sig (); |
|
|
777 | return count; |
|
|
778 | } |
495 | } |
779 | |
496 | |
780 | static void create_pipe () |
497 | static void atfork_child (void) |
781 | { |
498 | { |
782 | if (pipe (respipe)) |
499 | create_respipe (); |
783 | croak ("unable to initialize result pipe"); |
|
|
784 | |
|
|
785 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
786 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
787 | |
|
|
788 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
789 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
790 | } |
500 | } |
791 | |
501 | |
792 | /*****************************************************************************/ |
502 | static SV * |
793 | /* work around various missing functions */ |
503 | get_cb (SV *cb_sv) |
794 | |
|
|
795 | #if !HAVE_PREADWRITE |
|
|
796 | # define pread aio_pread |
|
|
797 | # define pwrite aio_pwrite |
|
|
798 | |
|
|
799 | /* |
|
|
800 | * make our pread/pwrite safe against themselves, but not against |
|
|
801 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
802 | * but that's your problem, not mine. |
|
|
803 | */ |
|
|
804 | static mutex_t preadwritelock = MUTEX_INIT; |
|
|
805 | |
|
|
806 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
807 | { |
504 | { |
808 | ssize_t res; |
505 | HV *st; |
809 | off_t ooffset; |
506 | GV *gvp; |
|
|
507 | CV *cv; |
810 | |
508 | |
811 | LOCK (preadwritelock); |
509 | if (!SvOK (cb_sv)) |
812 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
813 | lseek (fd, offset, SEEK_SET); |
|
|
814 | res = read (fd, buf, count); |
|
|
815 | lseek (fd, ooffset, SEEK_SET); |
|
|
816 | UNLOCK (preadwritelock); |
|
|
817 | |
|
|
818 | return res; |
|
|
819 | } |
|
|
820 | |
|
|
821 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
822 | { |
|
|
823 | ssize_t res; |
|
|
824 | off_t ooffset; |
|
|
825 | |
|
|
826 | LOCK (preadwritelock); |
|
|
827 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
828 | lseek (fd, offset, SEEK_SET); |
|
|
829 | res = write (fd, buf, count); |
|
|
830 | lseek (fd, offset, SEEK_SET); |
|
|
831 | UNLOCK (preadwritelock); |
|
|
832 | |
|
|
833 | return res; |
|
|
834 | } |
|
|
835 | #endif |
|
|
836 | |
|
|
837 | #if !HAVE_FDATASYNC |
|
|
838 | # define fdatasync fsync |
|
|
839 | #endif |
|
|
840 | |
|
|
841 | #if !HAVE_READAHEAD |
|
|
842 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
843 | |
|
|
844 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
845 | { |
|
|
846 | dBUF; |
|
|
847 | |
|
|
848 | while (count > 0) |
|
|
849 | { |
|
|
850 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
851 | |
|
|
852 | pread (fd, aio_buf, len, offset); |
|
|
853 | offset += len; |
|
|
854 | count -= len; |
|
|
855 | } |
|
|
856 | |
|
|
857 | errno = 0; |
|
|
858 | } |
|
|
859 | |
|
|
860 | #endif |
|
|
861 | |
|
|
862 | #if !HAVE_READDIR_R |
|
|
863 | # define readdir_r aio_readdir_r |
|
|
864 | |
|
|
865 | static mutex_t readdirlock = MUTEX_INIT; |
|
|
866 | |
|
|
867 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
868 | { |
|
|
869 | struct dirent *e; |
|
|
870 | int errorno; |
|
|
871 | |
|
|
872 | LOCK (readdirlock); |
|
|
873 | |
|
|
874 | e = readdir (dirp); |
|
|
875 | errorno = errno; |
|
|
876 | |
|
|
877 | if (e) |
|
|
878 | { |
|
|
879 | *res = ent; |
|
|
880 | strcpy (ent->d_name, e->d_name); |
|
|
881 | } |
|
|
882 | else |
|
|
883 | *res = 0; |
|
|
884 | |
|
|
885 | UNLOCK (readdirlock); |
|
|
886 | |
|
|
887 | errno = errorno; |
|
|
888 | return e ? 0 : -1; |
|
|
889 | } |
|
|
890 | #endif |
|
|
891 | |
|
|
892 | /* sendfile always needs emulation */ |
|
|
893 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
894 | { |
|
|
895 | ssize_t res; |
|
|
896 | |
|
|
897 | if (!count) |
|
|
898 | return 0; |
510 | return 0; |
899 | |
511 | |
900 | #if HAVE_SENDFILE |
512 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
901 | # if __linux |
|
|
902 | res = sendfile (ofd, ifd, &offset, count); |
|
|
903 | |
513 | |
904 | # elif __freebsd |
514 | if (!cv) |
905 | /* |
515 | croak ("IO::AIO callback must be undef or a CODE reference"); |
906 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
907 | * wasted on making it similar to other I/O functions. |
|
|
908 | */ |
|
|
909 | { |
|
|
910 | off_t sbytes; |
|
|
911 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
912 | |
516 | |
913 | if (res < 0 && sbytes) |
517 | return (SV *)cv; |
914 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
915 | res = sbytes; |
|
|
916 | } |
|
|
917 | |
|
|
918 | # elif __hpux |
|
|
919 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
920 | |
|
|
921 | # elif __solaris |
|
|
922 | { |
|
|
923 | struct sendfilevec vec; |
|
|
924 | size_t sbytes; |
|
|
925 | |
|
|
926 | vec.sfv_fd = ifd; |
|
|
927 | vec.sfv_flag = 0; |
|
|
928 | vec.sfv_off = offset; |
|
|
929 | vec.sfv_len = count; |
|
|
930 | |
|
|
931 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
932 | |
|
|
933 | if (res < 0 && sbytes) |
|
|
934 | res = sbytes; |
|
|
935 | } |
|
|
936 | |
|
|
937 | # endif |
|
|
938 | #else |
|
|
939 | res = -1; |
|
|
940 | errno = ENOSYS; |
|
|
941 | #endif |
|
|
942 | |
|
|
943 | if (res < 0 |
|
|
944 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
945 | #if __solaris |
|
|
946 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
947 | #endif |
|
|
948 | ) |
|
|
949 | ) |
|
|
950 | { |
|
|
951 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
952 | dBUF; |
|
|
953 | |
|
|
954 | res = 0; |
|
|
955 | |
|
|
956 | while (count) |
|
|
957 | { |
|
|
958 | ssize_t cnt; |
|
|
959 | |
|
|
960 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
961 | |
|
|
962 | if (cnt <= 0) |
|
|
963 | { |
|
|
964 | if (cnt && !res) res = -1; |
|
|
965 | break; |
|
|
966 | } |
|
|
967 | |
|
|
968 | cnt = write (ofd, aio_buf, cnt); |
|
|
969 | |
|
|
970 | if (cnt <= 0) |
|
|
971 | { |
|
|
972 | if (cnt && !res) res = -1; |
|
|
973 | break; |
|
|
974 | } |
|
|
975 | |
|
|
976 | offset += cnt; |
|
|
977 | res += cnt; |
|
|
978 | count -= cnt; |
|
|
979 | } |
|
|
980 | } |
|
|
981 | |
|
|
982 | return res; |
|
|
983 | } |
|
|
984 | |
|
|
985 | /* read a full directory */ |
|
|
986 | static void scandir_ (aio_req req, worker *self) |
|
|
987 | { |
|
|
988 | DIR *dirp; |
|
|
989 | union |
|
|
990 | { |
|
|
991 | struct dirent d; |
|
|
992 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
993 | } *u; |
|
|
994 | struct dirent *entp; |
|
|
995 | char *name, *names; |
|
|
996 | int memlen = 4096; |
|
|
997 | int memofs = 0; |
|
|
998 | int res = 0; |
|
|
999 | int errorno; |
|
|
1000 | |
|
|
1001 | LOCK (wrklock); |
|
|
1002 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1003 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1004 | req->flags |= FLAG_PTR2_FREE; |
|
|
1005 | req->ptr2 = names = malloc (memlen); |
|
|
1006 | UNLOCK (wrklock); |
|
|
1007 | |
|
|
1008 | if (dirp && u && names) |
|
|
1009 | for (;;) |
|
|
1010 | { |
|
|
1011 | errno = 0; |
|
|
1012 | readdir_r (dirp, &u->d, &entp); |
|
|
1013 | |
|
|
1014 | if (!entp) |
|
|
1015 | break; |
|
|
1016 | |
|
|
1017 | name = entp->d_name; |
|
|
1018 | |
|
|
1019 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1020 | { |
|
|
1021 | int len = strlen (name) + 1; |
|
|
1022 | |
|
|
1023 | res++; |
|
|
1024 | |
|
|
1025 | while (memofs + len > memlen) |
|
|
1026 | { |
|
|
1027 | memlen *= 2; |
|
|
1028 | LOCK (wrklock); |
|
|
1029 | req->ptr2 = names = realloc (names, memlen); |
|
|
1030 | UNLOCK (wrklock); |
|
|
1031 | |
|
|
1032 | if (!names) |
|
|
1033 | break; |
|
|
1034 | } |
|
|
1035 | |
|
|
1036 | memcpy (names + memofs, name, len); |
|
|
1037 | memofs += len; |
|
|
1038 | } |
|
|
1039 | } |
|
|
1040 | |
|
|
1041 | if (errno) |
|
|
1042 | res = -1; |
|
|
1043 | |
|
|
1044 | req->result = res; |
|
|
1045 | } |
|
|
1046 | |
|
|
1047 | /*****************************************************************************/ |
|
|
1048 | |
|
|
1049 | static void *aio_proc (void *thr_arg) |
|
|
1050 | { |
|
|
1051 | aio_req req; |
|
|
1052 | struct timespec ts; |
|
|
1053 | worker *self = (worker *)thr_arg; |
|
|
1054 | |
|
|
1055 | /* try to distribute timeouts somewhat evenly */ |
|
|
1056 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1057 | * (1000000000UL / 1024UL); |
|
|
1058 | |
|
|
1059 | for (;;) |
|
|
1060 | { |
|
|
1061 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1062 | |
|
|
1063 | LOCK (reqlock); |
|
|
1064 | |
|
|
1065 | for (;;) |
|
|
1066 | { |
|
|
1067 | self->req = req = reqq_shift (&req_queue); |
|
|
1068 | |
|
|
1069 | if (req) |
|
|
1070 | break; |
|
|
1071 | |
|
|
1072 | ++idle; |
|
|
1073 | |
|
|
1074 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1075 | == ETIMEDOUT) |
|
|
1076 | { |
|
|
1077 | if (idle > max_idle) |
|
|
1078 | { |
|
|
1079 | --idle; |
|
|
1080 | UNLOCK (reqlock); |
|
|
1081 | LOCK (wrklock); |
|
|
1082 | --started; |
|
|
1083 | UNLOCK (wrklock); |
|
|
1084 | goto quit; |
|
|
1085 | } |
|
|
1086 | |
|
|
1087 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1088 | COND_WAIT (reqwait, reqlock); |
|
|
1089 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1090 | } |
|
|
1091 | |
|
|
1092 | --idle; |
|
|
1093 | } |
|
|
1094 | |
|
|
1095 | --nready; |
|
|
1096 | |
|
|
1097 | UNLOCK (reqlock); |
|
|
1098 | |
|
|
1099 | errno = 0; /* strictly unnecessary */ |
|
|
1100 | |
|
|
1101 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1102 | switch (req->type) |
|
|
1103 | { |
|
|
1104 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1105 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1106 | |
|
|
1107 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1108 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1109 | |
|
|
1110 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1111 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1112 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1113 | |
|
|
1114 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1115 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1116 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1117 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1118 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1119 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1120 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1121 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1122 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1123 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1124 | |
|
|
1125 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1126 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1127 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1128 | |
|
|
1129 | case REQ_BUSY: |
|
|
1130 | { |
|
|
1131 | struct timeval tv; |
|
|
1132 | |
|
|
1133 | tv.tv_sec = req->int1; |
|
|
1134 | tv.tv_usec = req->int2; |
|
|
1135 | |
|
|
1136 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1137 | } |
|
|
1138 | |
|
|
1139 | case REQ_GROUP: |
|
|
1140 | case REQ_NOP: |
|
|
1141 | break; |
|
|
1142 | |
|
|
1143 | case REQ_QUIT: |
|
|
1144 | goto quit; |
|
|
1145 | |
|
|
1146 | default: |
|
|
1147 | req->result = ENOSYS; |
|
|
1148 | break; |
|
|
1149 | } |
|
|
1150 | |
|
|
1151 | req->errorno = errno; |
|
|
1152 | |
|
|
1153 | LOCK (reslock); |
|
|
1154 | |
|
|
1155 | ++npending; |
|
|
1156 | |
|
|
1157 | if (!reqq_push (&res_queue, req)) |
|
|
1158 | { |
|
|
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1160 | write (respipe [1], &respipe, 1); |
|
|
1161 | |
|
|
1162 | /* optionally signal the main thread asynchronously */ |
|
|
1163 | if (main_sig) |
|
|
1164 | pthread_kill (main_tid, main_sig); |
|
|
1165 | } |
|
|
1166 | |
|
|
1167 | self->req = 0; |
|
|
1168 | worker_clear (self); |
|
|
1169 | |
|
|
1170 | UNLOCK (reslock); |
|
|
1171 | } |
|
|
1172 | |
|
|
1173 | quit: |
|
|
1174 | LOCK (wrklock); |
|
|
1175 | worker_free (self); |
|
|
1176 | UNLOCK (wrklock); |
|
|
1177 | |
|
|
1178 | return 0; |
|
|
1179 | } |
|
|
1180 | |
|
|
1181 | /*****************************************************************************/ |
|
|
1182 | |
|
|
1183 | static void atfork_prepare (void) |
|
|
1184 | { |
|
|
1185 | LOCK (wrklock); |
|
|
1186 | LOCK (reqlock); |
|
|
1187 | LOCK (reslock); |
|
|
1188 | #if !HAVE_PREADWRITE |
|
|
1189 | LOCK (preadwritelock); |
|
|
1190 | #endif |
|
|
1191 | #if !HAVE_READDIR_R |
|
|
1192 | LOCK (readdirlock); |
|
|
1193 | #endif |
|
|
1194 | } |
|
|
1195 | |
|
|
1196 | static void atfork_parent (void) |
|
|
1197 | { |
|
|
1198 | #if !HAVE_READDIR_R |
|
|
1199 | UNLOCK (readdirlock); |
|
|
1200 | #endif |
|
|
1201 | #if !HAVE_PREADWRITE |
|
|
1202 | UNLOCK (preadwritelock); |
|
|
1203 | #endif |
|
|
1204 | UNLOCK (reslock); |
|
|
1205 | UNLOCK (reqlock); |
|
|
1206 | UNLOCK (wrklock); |
|
|
1207 | } |
|
|
1208 | |
|
|
1209 | static void atfork_child (void) |
|
|
1210 | { |
|
|
1211 | aio_req prv; |
|
|
1212 | |
|
|
1213 | while (prv = reqq_shift (&req_queue)) |
|
|
1214 | req_free (prv); |
|
|
1215 | |
|
|
1216 | while (prv = reqq_shift (&res_queue)) |
|
|
1217 | req_free (prv); |
|
|
1218 | |
|
|
1219 | while (wrk_first.next != &wrk_first) |
|
|
1220 | { |
|
|
1221 | worker *wrk = wrk_first.next; |
|
|
1222 | |
|
|
1223 | if (wrk->req) |
|
|
1224 | req_free (wrk->req); |
|
|
1225 | |
|
|
1226 | worker_clear (wrk); |
|
|
1227 | worker_free (wrk); |
|
|
1228 | } |
|
|
1229 | |
|
|
1230 | started = 0; |
|
|
1231 | idle = 0; |
|
|
1232 | nreqs = 0; |
|
|
1233 | nready = 0; |
|
|
1234 | npending = 0; |
|
|
1235 | |
|
|
1236 | close (respipe [0]); |
|
|
1237 | close (respipe [1]); |
|
|
1238 | create_pipe (); |
|
|
1239 | |
|
|
1240 | atfork_parent (); |
|
|
1241 | } |
518 | } |
1242 | |
519 | |
1243 | #define dREQ \ |
520 | #define dREQ \ |
|
|
521 | SV *cb_cv; \ |
1244 | aio_req req; \ |
522 | aio_req req; \ |
1245 | int req_pri = next_pri; \ |
523 | int req_pri = next_pri; \ |
1246 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
524 | next_pri = EIO_PRI_DEFAULT; \ |
1247 | \ |
525 | \ |
1248 | if (SvOK (callback) && !SvROK (callback)) \ |
526 | cb_cv = get_cb (callback); \ |
1249 | croak ("callback must be undef or of reference type"); \ |
|
|
1250 | \ |
527 | \ |
1251 | Newz (0, req, 1, aio_cb); \ |
528 | Newz (0, req, 1, eio_req); \ |
1252 | if (!req) \ |
529 | if (!req) \ |
1253 | croak ("out of memory during aio_req allocation"); \ |
530 | croak ("out of memory during eio_req allocation"); \ |
1254 | \ |
531 | \ |
1255 | req->callback = newSVsv (callback); \ |
532 | req->callback = SvREFCNT_inc (cb_cv); \ |
1256 | req->pri = req_pri |
533 | req->pri = req_pri |
1257 | |
534 | |
1258 | #define REQ_SEND \ |
535 | #define REQ_SEND \ |
|
|
536 | PUTBACK; \ |
1259 | req_send (req); \ |
537 | req_submit (req); \ |
|
|
538 | SPAGAIN; \ |
1260 | \ |
539 | \ |
1261 | if (GIMME_V != G_VOID) \ |
540 | if (GIMME_V != G_VOID) \ |
1262 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
541 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1263 | |
542 | |
|
|
543 | static int |
|
|
544 | extract_fd (SV *fh, int wr) |
|
|
545 | { |
|
|
546 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
547 | |
|
|
548 | if (fd < 0) |
|
|
549 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
550 | |
|
|
551 | return fd; |
|
|
552 | } |
|
|
553 | |
1264 | MODULE = IO::AIO PACKAGE = IO::AIO |
554 | MODULE = IO::AIO PACKAGE = IO::AIO |
1265 | |
555 | |
1266 | PROTOTYPES: ENABLE |
556 | PROTOTYPES: ENABLE |
1267 | |
557 | |
1268 | BOOT: |
558 | BOOT: |
1269 | { |
559 | { |
1270 | HV *stash = gv_stashpv ("IO::AIO", 1); |
560 | stash = gv_stashpv ("IO::AIO", 1); |
1271 | |
561 | |
1272 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
562 | static const struct { |
1273 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
563 | const char *name; |
1274 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
564 | IV iv; |
1275 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
565 | } *civ, const_iv[] = { |
1276 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
566 | # define const_iv(name, value) { # name, (IV) value }, |
1277 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
567 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
1278 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
568 | const_iv (EXDEV , EXDEV) |
|
|
569 | const_iv (ENOSYS , ENOSYS) |
|
|
570 | const_iv (O_RDONLY, O_RDONLY) |
|
|
571 | const_iv (O_WRONLY, O_WRONLY) |
|
|
572 | const_iv (O_CREAT , O_CREAT) |
|
|
573 | const_iv (O_TRUNC , O_TRUNC) |
|
|
574 | #ifndef _WIN32 |
|
|
575 | const_iv (S_IFIFO , S_IFIFO) |
|
|
576 | #endif |
|
|
577 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
578 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
579 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1279 | |
580 | |
|
|
581 | const_eio (READDIR_DENTS) |
|
|
582 | const_eio (READDIR_DIRS_FIRST) |
|
|
583 | const_eio (READDIR_STAT_ORDER) |
|
|
584 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
585 | |
|
|
586 | const_eio (DT_UNKNOWN) |
|
|
587 | const_eio (DT_FIFO) |
|
|
588 | const_eio (DT_CHR) |
|
|
589 | const_eio (DT_DIR) |
|
|
590 | const_eio (DT_BLK) |
|
|
591 | const_eio (DT_REG) |
|
|
592 | const_eio (DT_LNK) |
|
|
593 | const_eio (DT_SOCK) |
|
|
594 | const_eio (DT_WHT) |
|
|
595 | }; |
|
|
596 | |
|
|
597 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
598 | newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
599 | |
1280 | create_pipe (); |
600 | create_respipe (); |
1281 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
601 | |
|
|
602 | if (eio_init (want_poll, done_poll) < 0) |
|
|
603 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
604 | |
|
|
605 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
606 | X_THREAD_ATFORK (0, 0, atfork_child); |
1282 | } |
607 | } |
1283 | |
608 | |
1284 | void |
609 | void |
1285 | max_poll_reqs (int nreqs) |
610 | max_poll_reqs (int nreqs) |
1286 | PROTOTYPE: $ |
611 | PROTOTYPE: $ |
1287 | CODE: |
612 | CODE: |
1288 | max_poll_reqs = nreqs; |
613 | eio_set_max_poll_reqs (nreqs); |
1289 | |
614 | |
1290 | void |
615 | void |
1291 | max_poll_time (double nseconds) |
616 | max_poll_time (double nseconds) |
1292 | PROTOTYPE: $ |
617 | PROTOTYPE: $ |
1293 | CODE: |
618 | CODE: |
1294 | max_poll_time = nseconds * AIO_TICKS; |
619 | eio_set_max_poll_time (nseconds); |
1295 | |
620 | |
1296 | void |
621 | void |
1297 | min_parallel (int nthreads) |
622 | min_parallel (int nthreads) |
1298 | PROTOTYPE: $ |
623 | PROTOTYPE: $ |
|
|
624 | CODE: |
|
|
625 | eio_set_min_parallel (nthreads); |
1299 | |
626 | |
1300 | void |
627 | void |
1301 | max_parallel (int nthreads) |
628 | max_parallel (int nthreads) |
1302 | PROTOTYPE: $ |
629 | PROTOTYPE: $ |
|
|
630 | CODE: |
|
|
631 | eio_set_max_parallel (nthreads); |
1303 | |
632 | |
1304 | void |
633 | void |
1305 | max_idle (int nthreads) |
634 | max_idle (int nthreads) |
1306 | PROTOTYPE: $ |
635 | PROTOTYPE: $ |
1307 | CODE: |
636 | CODE: |
1308 | set_max_idle (nthreads); |
637 | eio_set_max_idle (nthreads); |
1309 | |
638 | |
1310 | int |
639 | void |
1311 | max_outstanding (int maxreqs) |
640 | max_outstanding (int maxreqs) |
1312 | PROTOTYPE: $ |
641 | PROTOTYPE: $ |
1313 | CODE: |
642 | CODE: |
1314 | RETVAL = max_outstanding; |
|
|
1315 | max_outstanding = maxreqs; |
643 | max_outstanding = maxreqs; |
1316 | OUTPUT: |
|
|
1317 | RETVAL |
|
|
1318 | |
644 | |
1319 | void |
645 | void |
1320 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
646 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1321 | SV8 * pathname |
|
|
1322 | int flags |
|
|
1323 | int mode |
|
|
1324 | SV * callback |
|
|
1325 | PROTOTYPE: $$$;$ |
647 | PROTOTYPE: $$$;$ |
1326 | PPCODE: |
648 | PPCODE: |
1327 | { |
649 | { |
1328 | dREQ; |
650 | dREQ; |
1329 | |
651 | |
1330 | req->type = REQ_OPEN; |
652 | req->type = EIO_OPEN; |
1331 | req->sv1 = newSVsv (pathname); |
653 | req->sv1 = newSVsv (pathname); |
1332 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
654 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1333 | req->int1 = flags; |
655 | req->int1 = flags; |
1334 | req->mode = mode; |
656 | req->int2 = mode; |
1335 | |
657 | |
1336 | REQ_SEND; |
658 | REQ_SEND; |
1337 | } |
659 | } |
1338 | |
660 | |
1339 | void |
661 | void |
1340 | aio_close (fh,callback=&PL_sv_undef) |
662 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1341 | SV * fh |
|
|
1342 | SV * callback |
|
|
1343 | PROTOTYPE: $;$ |
663 | PROTOTYPE: $;$ |
1344 | ALIAS: |
664 | ALIAS: |
1345 | aio_close = REQ_CLOSE |
|
|
1346 | aio_fsync = REQ_FSYNC |
665 | aio_fsync = EIO_FSYNC |
1347 | aio_fdatasync = REQ_FDATASYNC |
666 | aio_fdatasync = EIO_FDATASYNC |
1348 | PPCODE: |
667 | PPCODE: |
1349 | { |
668 | { |
|
|
669 | int fd = extract_fd (fh, 0); |
1350 | dREQ; |
670 | dREQ; |
1351 | |
671 | |
1352 | req->type = ix; |
672 | req->type = ix; |
1353 | req->fh = newSVsv (fh); |
673 | req->sv1 = newSVsv (fh); |
1354 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
674 | req->int1 = fd; |
1355 | |
675 | |
1356 | REQ_SEND (req); |
676 | REQ_SEND (req); |
1357 | } |
677 | } |
1358 | |
678 | |
1359 | void |
679 | void |
|
|
680 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
681 | PROTOTYPE: $$$$;$ |
|
|
682 | PPCODE: |
|
|
683 | { |
|
|
684 | int fd = extract_fd (fh, 0); |
|
|
685 | dREQ; |
|
|
686 | |
|
|
687 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
688 | req->sv1 = newSVsv (fh); |
|
|
689 | req->int1 = fd; |
|
|
690 | req->offs = SvVAL64 (offset); |
|
|
691 | req->size = SvVAL64 (nbytes); |
|
|
692 | req->int2 = flags; |
|
|
693 | |
|
|
694 | REQ_SEND (req); |
|
|
695 | } |
|
|
696 | |
|
|
697 | void |
|
|
698 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
699 | PROTOTYPE: $;$ |
|
|
700 | PPCODE: |
|
|
701 | { |
|
|
702 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
703 | int fd = extract_fd (fh, 0); |
|
|
704 | dREQ; |
|
|
705 | |
|
|
706 | if (close_pipe < 0) |
|
|
707 | { |
|
|
708 | int pipefd [2]; |
|
|
709 | |
|
|
710 | if (pipe (pipefd) < 0 |
|
|
711 | || close (pipefd [1]) < 0 |
|
|
712 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
713 | abort (); /*D*/ |
|
|
714 | |
|
|
715 | close_pipe = pipefd [0]; |
|
|
716 | } |
|
|
717 | |
|
|
718 | req->type = EIO_DUP2; |
|
|
719 | req->int1 = close_pipe; |
|
|
720 | req->sv2 = newSVsv (fh); |
|
|
721 | req->int2 = fd; |
|
|
722 | |
|
|
723 | REQ_SEND (req); |
|
|
724 | } |
|
|
725 | |
|
|
726 | void |
1360 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
727 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1361 | SV * fh |
|
|
1362 | UV offset |
|
|
1363 | UV length |
|
|
1364 | SV8 * data |
|
|
1365 | UV dataoffset |
|
|
1366 | SV * callback |
|
|
1367 | ALIAS: |
728 | ALIAS: |
1368 | aio_read = REQ_READ |
729 | aio_read = EIO_READ |
1369 | aio_write = REQ_WRITE |
730 | aio_write = EIO_WRITE |
1370 | PROTOTYPE: $$$$$;$ |
731 | PROTOTYPE: $$$$$;$ |
1371 | PPCODE: |
732 | PPCODE: |
1372 | { |
733 | { |
1373 | STRLEN svlen; |
734 | STRLEN svlen; |
|
|
735 | int fd = extract_fd (fh, ix == EIO_WRITE); |
1374 | char *svptr = SvPVbyte (data, svlen); |
736 | char *svptr = SvPVbyte (data, svlen); |
1375 | |
737 | UV len = SvUV (length); |
1376 | SvUPGRADE (data, SVt_PV); |
|
|
1377 | SvPOK_on (data); |
|
|
1378 | |
738 | |
1379 | if (dataoffset < 0) |
739 | if (dataoffset < 0) |
1380 | dataoffset += svlen; |
740 | dataoffset += svlen; |
1381 | |
741 | |
1382 | if (dataoffset < 0 || dataoffset > svlen) |
742 | if (dataoffset < 0 || dataoffset > svlen) |
1383 | croak ("data offset outside of string"); |
743 | croak ("dataoffset outside of data scalar"); |
1384 | |
744 | |
1385 | if (ix == REQ_WRITE) |
745 | if (ix == EIO_WRITE) |
1386 | { |
746 | { |
1387 | /* write: check length and adjust. */ |
747 | /* write: check length and adjust. */ |
1388 | if (length < 0 || length + dataoffset > svlen) |
748 | if (!SvOK (length) || len + dataoffset > svlen) |
1389 | length = svlen - dataoffset; |
749 | len = svlen - dataoffset; |
1390 | } |
750 | } |
1391 | else |
751 | else |
1392 | { |
752 | { |
1393 | /* read: grow scalar as necessary */ |
753 | /* read: check type and grow scalar as necessary */ |
|
|
754 | SvUPGRADE (data, SVt_PV); |
1394 | svptr = SvGROW (data, length + dataoffset + 1); |
755 | svptr = SvGROW (data, len + dataoffset + 1); |
1395 | } |
756 | } |
1396 | |
|
|
1397 | if (length < 0) |
|
|
1398 | croak ("length must not be negative"); |
|
|
1399 | |
757 | |
1400 | { |
758 | { |
1401 | dREQ; |
759 | dREQ; |
1402 | |
760 | |
1403 | req->type = ix; |
761 | req->type = ix; |
1404 | req->fh = newSVsv (fh); |
762 | req->sv1 = newSVsv (fh); |
1405 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
763 | req->int1 = fd; |
1406 | : IoOFP (sv_2io (fh))); |
764 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1407 | req->offs = offset; |
|
|
1408 | req->size = length; |
765 | req->size = len; |
1409 | req->sv1 = SvREFCNT_inc (data); |
766 | req->sv2 = SvREFCNT_inc (data); |
1410 | req->ptr1 = (char *)svptr + dataoffset; |
767 | req->ptr2 = (char *)svptr + dataoffset; |
1411 | req->stroffset = dataoffset; |
768 | req->stroffset = dataoffset; |
1412 | |
769 | |
1413 | if (!SvREADONLY (data)) |
770 | if (!SvREADONLY (data)) |
1414 | { |
771 | { |
1415 | SvREADONLY_on (data); |
772 | SvREADONLY_on (data); |
1416 | req->flags |= FLAG_SV1_RO_OFF; |
773 | req->flags |= FLAG_SV2_RO_OFF; |
1417 | } |
774 | } |
1418 | |
775 | |
1419 | REQ_SEND; |
776 | REQ_SEND; |
1420 | } |
777 | } |
1421 | } |
778 | } |
1422 | |
779 | |
1423 | void |
780 | void |
1424 | aio_readlink (path,callback=&PL_sv_undef) |
781 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1425 | SV8 * path |
|
|
1426 | SV * callback |
|
|
1427 | PROTOTYPE: $$;$ |
782 | PROTOTYPE: $$;$ |
1428 | PPCODE: |
783 | PPCODE: |
1429 | { |
784 | { |
1430 | SV *data; |
785 | SV *data; |
1431 | dREQ; |
786 | dREQ; |
1432 | |
787 | |
1433 | data = newSV (NAME_MAX); |
|
|
1434 | SvPOK_on (data); |
|
|
1435 | |
|
|
1436 | req->type = REQ_READLINK; |
788 | req->type = EIO_READLINK; |
1437 | req->fh = newSVsv (path); |
789 | req->sv1 = newSVsv (path); |
1438 | req->ptr2 = SvPVbyte_nolen (req->fh); |
790 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1439 | req->sv1 = data; |
|
|
1440 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1441 | |
791 | |
1442 | REQ_SEND; |
792 | REQ_SEND; |
1443 | } |
793 | } |
1444 | |
794 | |
1445 | void |
795 | void |
1446 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
796 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1447 | SV * out_fh |
|
|
1448 | SV * in_fh |
|
|
1449 | UV in_offset |
|
|
1450 | UV length |
|
|
1451 | SV * callback |
|
|
1452 | PROTOTYPE: $$$$;$ |
797 | PROTOTYPE: $$$$;$ |
1453 | PPCODE: |
798 | PPCODE: |
1454 | { |
799 | { |
|
|
800 | int ifd = extract_fd (in_fh , 0); |
|
|
801 | int ofd = extract_fd (out_fh, 0); |
1455 | dREQ; |
802 | dREQ; |
1456 | |
803 | |
1457 | req->type = REQ_SENDFILE; |
804 | req->type = EIO_SENDFILE; |
1458 | req->fh = newSVsv (out_fh); |
805 | req->sv1 = newSVsv (out_fh); |
1459 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
806 | req->int1 = ofd; |
1460 | req->sv2 = newSVsv (in_fh); |
807 | req->sv2 = newSVsv (in_fh); |
1461 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
808 | req->int2 = ifd; |
1462 | req->offs = in_offset; |
809 | req->offs = SvVAL64 (in_offset); |
1463 | req->size = length; |
810 | req->size = length; |
1464 | |
811 | |
1465 | REQ_SEND; |
812 | REQ_SEND; |
1466 | } |
813 | } |
1467 | |
814 | |
1468 | void |
815 | void |
1469 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
816 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1470 | SV * fh |
|
|
1471 | UV offset |
|
|
1472 | IV length |
|
|
1473 | SV * callback |
|
|
1474 | PROTOTYPE: $$$;$ |
817 | PROTOTYPE: $$$;$ |
1475 | PPCODE: |
818 | PPCODE: |
1476 | { |
819 | { |
|
|
820 | int fd = extract_fd (fh, 0); |
1477 | dREQ; |
821 | dREQ; |
1478 | |
822 | |
1479 | req->type = REQ_READAHEAD; |
823 | req->type = EIO_READAHEAD; |
1480 | req->fh = newSVsv (fh); |
824 | req->sv1 = newSVsv (fh); |
1481 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
825 | req->int1 = fd; |
1482 | req->offs = offset; |
826 | req->offs = SvVAL64 (offset); |
1483 | req->size = length; |
827 | req->size = length; |
1484 | |
828 | |
1485 | REQ_SEND; |
829 | REQ_SEND; |
1486 | } |
830 | } |
1487 | |
831 | |
1488 | void |
832 | void |
1489 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
833 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1490 | SV8 * fh_or_path |
|
|
1491 | SV * callback |
|
|
1492 | ALIAS: |
834 | ALIAS: |
1493 | aio_stat = REQ_STAT |
835 | aio_stat = EIO_STAT |
1494 | aio_lstat = REQ_LSTAT |
836 | aio_lstat = EIO_LSTAT |
1495 | PPCODE: |
837 | PPCODE: |
1496 | { |
838 | { |
1497 | dREQ; |
839 | dREQ; |
1498 | |
840 | |
1499 | req->ptr2 = malloc (sizeof (Stat_t)); |
841 | req->sv1 = newSVsv (fh_or_path); |
1500 | if (!req->ptr2) |
|
|
1501 | { |
|
|
1502 | req_free (req); |
|
|
1503 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1504 | } |
|
|
1505 | |
842 | |
1506 | req->flags |= FLAG_PTR2_FREE; |
843 | if (SvPOK (req->sv1)) |
1507 | |
|
|
1508 | if (SvPOK (fh_or_path)) |
|
|
1509 | { |
844 | { |
1510 | req->type = ix; |
845 | req->type = ix; |
1511 | req->sv1 = newSVsv (fh_or_path); |
|
|
1512 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
846 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1513 | } |
847 | } |
1514 | else |
848 | else |
1515 | { |
849 | { |
1516 | req->type = REQ_FSTAT; |
850 | req->type = EIO_FSTAT; |
1517 | req->fh = newSVsv (fh_or_path); |
|
|
1518 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
851 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1519 | } |
852 | } |
1520 | |
853 | |
1521 | REQ_SEND; |
854 | REQ_SEND; |
1522 | } |
855 | } |
1523 | |
856 | |
1524 | void |
857 | void |
|
|
858 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
859 | PPCODE: |
|
|
860 | { |
|
|
861 | dREQ; |
|
|
862 | |
|
|
863 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
864 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
865 | req->sv1 = newSVsv (fh_or_path); |
|
|
866 | |
|
|
867 | if (SvPOK (req->sv1)) |
|
|
868 | { |
|
|
869 | req->type = EIO_UTIME; |
|
|
870 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
871 | } |
|
|
872 | else |
|
|
873 | { |
|
|
874 | req->type = EIO_FUTIME; |
|
|
875 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
876 | } |
|
|
877 | |
|
|
878 | REQ_SEND; |
|
|
879 | } |
|
|
880 | |
|
|
881 | void |
|
|
882 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
883 | PPCODE: |
|
|
884 | { |
|
|
885 | dREQ; |
|
|
886 | |
|
|
887 | req->sv1 = newSVsv (fh_or_path); |
|
|
888 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
889 | |
|
|
890 | if (SvPOK (req->sv1)) |
|
|
891 | { |
|
|
892 | req->type = EIO_TRUNCATE; |
|
|
893 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
894 | } |
|
|
895 | else |
|
|
896 | { |
|
|
897 | req->type = EIO_FTRUNCATE; |
|
|
898 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
899 | } |
|
|
900 | |
|
|
901 | REQ_SEND; |
|
|
902 | } |
|
|
903 | |
|
|
904 | void |
|
|
905 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
906 | ALIAS: |
|
|
907 | aio_chmod = EIO_CHMOD |
|
|
908 | aio_mkdir = EIO_MKDIR |
|
|
909 | PPCODE: |
|
|
910 | { |
|
|
911 | dREQ; |
|
|
912 | |
|
|
913 | req->int2 = mode; |
|
|
914 | req->sv1 = newSVsv (fh_or_path); |
|
|
915 | |
|
|
916 | if (SvPOK (req->sv1)) |
|
|
917 | { |
|
|
918 | req->type = ix; |
|
|
919 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
920 | } |
|
|
921 | else |
|
|
922 | { |
|
|
923 | req->type = EIO_FCHMOD; |
|
|
924 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
925 | } |
|
|
926 | |
|
|
927 | REQ_SEND; |
|
|
928 | } |
|
|
929 | |
|
|
930 | void |
|
|
931 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
932 | PPCODE: |
|
|
933 | { |
|
|
934 | dREQ; |
|
|
935 | |
|
|
936 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
937 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
938 | req->sv1 = newSVsv (fh_or_path); |
|
|
939 | |
|
|
940 | if (SvPOK (req->sv1)) |
|
|
941 | { |
|
|
942 | req->type = EIO_CHOWN; |
|
|
943 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
944 | } |
|
|
945 | else |
|
|
946 | { |
|
|
947 | req->type = EIO_FCHOWN; |
|
|
948 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
949 | } |
|
|
950 | |
|
|
951 | REQ_SEND; |
|
|
952 | } |
|
|
953 | |
|
|
954 | void |
|
|
955 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
956 | PPCODE: |
|
|
957 | { |
|
|
958 | dREQ; |
|
|
959 | |
|
|
960 | req->type = EIO_READDIR; |
|
|
961 | req->sv1 = newSVsv (pathname); |
|
|
962 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
963 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
964 | |
|
|
965 | if (flags & EIO_READDIR_DENTS) |
|
|
966 | flags |= EIO_READDIR_CUSTOM2; |
|
|
967 | |
|
|
968 | REQ_SEND; |
|
|
969 | } |
|
|
970 | |
|
|
971 | void |
1525 | aio_unlink (pathname,callback=&PL_sv_undef) |
972 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1526 | SV8 * pathname |
|
|
1527 | SV * callback |
|
|
1528 | ALIAS: |
973 | ALIAS: |
1529 | aio_unlink = REQ_UNLINK |
974 | aio_unlink = EIO_UNLINK |
1530 | aio_rmdir = REQ_RMDIR |
975 | aio_rmdir = EIO_RMDIR |
1531 | aio_readdir = REQ_READDIR |
976 | aio_readdir = EIO_READDIR |
1532 | PPCODE: |
977 | PPCODE: |
1533 | { |
978 | { |
1534 | dREQ; |
979 | dREQ; |
1535 | |
980 | |
1536 | req->type = ix; |
981 | req->type = ix; |
… | |
… | |
1539 | |
984 | |
1540 | REQ_SEND; |
985 | REQ_SEND; |
1541 | } |
986 | } |
1542 | |
987 | |
1543 | void |
988 | void |
1544 | aio_mkdir (pathname,mode,callback=&PL_sv_undef) |
989 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1545 | SV8 * pathname |
990 | ALIAS: |
1546 | UV mode |
991 | aio_link = EIO_LINK |
1547 | SV * callback |
992 | aio_symlink = EIO_SYMLINK |
|
|
993 | aio_rename = EIO_RENAME |
1548 | PPCODE: |
994 | PPCODE: |
1549 | { |
995 | { |
1550 | dREQ; |
996 | dREQ; |
1551 | |
997 | |
|
|
998 | req->type = ix; |
|
|
999 | req->sv1 = newSVsv (oldpath); |
|
|
1000 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1001 | req->sv2 = newSVsv (newpath); |
|
|
1002 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1003 | |
|
|
1004 | REQ_SEND; |
|
|
1005 | } |
|
|
1006 | |
|
|
1007 | void |
|
|
1008 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1009 | PPCODE: |
|
|
1010 | { |
|
|
1011 | dREQ; |
|
|
1012 | |
1552 | req->type = REQ_MKDIR; |
1013 | req->type = EIO_MKNOD; |
1553 | req->sv1 = newSVsv (pathname); |
1014 | req->sv1 = newSVsv (pathname); |
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1015 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1555 | req->mode = mode; |
|
|
1556 | |
|
|
1557 | REQ_SEND; |
|
|
1558 | } |
|
|
1559 | |
|
|
1560 | void |
|
|
1561 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
|
|
1562 | SV8 * oldpath |
|
|
1563 | SV8 * newpath |
|
|
1564 | SV * callback |
|
|
1565 | ALIAS: |
|
|
1566 | aio_link = REQ_LINK |
|
|
1567 | aio_symlink = REQ_SYMLINK |
|
|
1568 | aio_rename = REQ_RENAME |
|
|
1569 | PPCODE: |
|
|
1570 | { |
|
|
1571 | dREQ; |
|
|
1572 | |
|
|
1573 | req->type = ix; |
|
|
1574 | req->fh = newSVsv (oldpath); |
|
|
1575 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1576 | req->sv1 = newSVsv (newpath); |
|
|
1577 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1578 | |
|
|
1579 | REQ_SEND; |
|
|
1580 | } |
|
|
1581 | |
|
|
1582 | void |
|
|
1583 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1584 | SV8 * pathname |
|
|
1585 | UV mode |
|
|
1586 | UV dev |
|
|
1587 | SV * callback |
|
|
1588 | PPCODE: |
|
|
1589 | { |
|
|
1590 | dREQ; |
|
|
1591 | |
|
|
1592 | req->type = REQ_MKNOD; |
|
|
1593 | req->sv1 = newSVsv (pathname); |
|
|
1594 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1595 | req->mode = (mode_t)mode; |
1016 | req->int2 = (mode_t)mode; |
1596 | req->offs = dev; |
1017 | req->offs = dev; |
1597 | |
1018 | |
1598 | REQ_SEND; |
1019 | REQ_SEND; |
1599 | } |
1020 | } |
1600 | |
1021 | |
1601 | void |
1022 | void |
1602 | aio_busy (delay,callback=&PL_sv_undef) |
1023 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1603 | double delay |
|
|
1604 | SV * callback |
|
|
1605 | PPCODE: |
1024 | PPCODE: |
1606 | { |
1025 | { |
1607 | dREQ; |
1026 | dREQ; |
1608 | |
1027 | |
1609 | req->type = REQ_BUSY; |
1028 | req->type = EIO_BUSY; |
1610 | req->int1 = delay < 0. ? 0 : delay; |
1029 | req->nv1 = delay < 0. ? 0. : delay; |
1611 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1612 | |
1030 | |
1613 | REQ_SEND; |
1031 | REQ_SEND; |
1614 | } |
1032 | } |
1615 | |
1033 | |
1616 | void |
1034 | void |
1617 | aio_group (callback=&PL_sv_undef) |
1035 | aio_group (SV *callback=&PL_sv_undef) |
1618 | SV * callback |
|
|
1619 | PROTOTYPE: ;$ |
1036 | PROTOTYPE: ;$ |
1620 | PPCODE: |
1037 | PPCODE: |
1621 | { |
1038 | { |
1622 | dREQ; |
1039 | dREQ; |
1623 | |
1040 | |
1624 | req->type = REQ_GROUP; |
1041 | req->type = EIO_GROUP; |
1625 | |
1042 | |
1626 | req_send (req); |
1043 | req_submit (req); |
1627 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1044 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1628 | } |
1045 | } |
1629 | |
1046 | |
1630 | void |
1047 | void |
1631 | aio_nop (callback=&PL_sv_undef) |
1048 | aio_nop (SV *callback=&PL_sv_undef) |
1632 | SV * callback |
1049 | ALIAS: |
|
|
1050 | aio_nop = EIO_NOP |
|
|
1051 | aio_sync = EIO_SYNC |
1633 | PPCODE: |
1052 | PPCODE: |
1634 | { |
1053 | { |
1635 | dREQ; |
1054 | dREQ; |
1636 | |
1055 | |
1637 | req->type = REQ_NOP; |
1056 | req->type = ix; |
1638 | |
1057 | |
1639 | REQ_SEND; |
1058 | REQ_SEND; |
1640 | } |
1059 | } |
1641 | |
1060 | |
1642 | int |
1061 | int |
1643 | aioreq_pri (int pri = 0) |
1062 | aioreq_pri (int pri = 0) |
1644 | PROTOTYPE: ;$ |
1063 | PROTOTYPE: ;$ |
1645 | CODE: |
1064 | CODE: |
1646 | RETVAL = next_pri - PRI_BIAS; |
1065 | RETVAL = next_pri; |
1647 | if (items > 0) |
1066 | if (items > 0) |
1648 | { |
1067 | { |
1649 | if (pri < PRI_MIN) pri = PRI_MIN; |
1068 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1650 | if (pri > PRI_MAX) pri = PRI_MAX; |
1069 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1651 | next_pri = pri + PRI_BIAS; |
1070 | next_pri = pri; |
1652 | } |
1071 | } |
1653 | OUTPUT: |
1072 | OUTPUT: |
1654 | RETVAL |
1073 | RETVAL |
1655 | |
1074 | |
1656 | void |
1075 | void |
1657 | aioreq_nice (int nice = 0) |
1076 | aioreq_nice (int nice = 0) |
1658 | CODE: |
1077 | CODE: |
1659 | nice = next_pri - nice; |
1078 | nice = next_pri - nice; |
1660 | if (nice < PRI_MIN) nice = PRI_MIN; |
1079 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1661 | if (nice > PRI_MAX) nice = PRI_MAX; |
1080 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1662 | next_pri = nice + PRI_BIAS; |
1081 | next_pri = nice; |
1663 | |
1082 | |
1664 | void |
1083 | void |
1665 | flush () |
1084 | flush () |
1666 | PROTOTYPE: |
1085 | PROTOTYPE: |
1667 | CODE: |
1086 | CODE: |
1668 | while (nreqs) |
1087 | while (eio_nreqs ()) |
1669 | { |
1088 | { |
1670 | poll_wait (); |
1089 | poll_wait (); |
1671 | poll_cb (); |
1090 | poll_cb (); |
1672 | } |
1091 | } |
1673 | |
1092 | |
… | |
… | |
1700 | poll_wait() |
1119 | poll_wait() |
1701 | PROTOTYPE: |
1120 | PROTOTYPE: |
1702 | CODE: |
1121 | CODE: |
1703 | poll_wait (); |
1122 | poll_wait (); |
1704 | |
1123 | |
1705 | void |
|
|
1706 | setsig (int signum = SIGIO) |
|
|
1707 | PROTOTYPE: ;$ |
|
|
1708 | CODE: |
|
|
1709 | { |
|
|
1710 | if (block_sig_level) |
|
|
1711 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1712 | |
|
|
1713 | LOCK (reslock); |
|
|
1714 | main_tid = pthread_self (); |
|
|
1715 | main_sig = signum; |
|
|
1716 | UNLOCK (reslock); |
|
|
1717 | |
|
|
1718 | if (main_sig && npending) |
|
|
1719 | pthread_kill (main_tid, main_sig); |
|
|
1720 | } |
|
|
1721 | |
|
|
1722 | void |
|
|
1723 | aio_block (SV *cb) |
|
|
1724 | PROTOTYPE: & |
|
|
1725 | PPCODE: |
|
|
1726 | { |
|
|
1727 | int count; |
|
|
1728 | |
|
|
1729 | block_sig (); |
|
|
1730 | PUSHMARK (SP); |
|
|
1731 | PUTBACK; |
|
|
1732 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1733 | SPAGAIN; |
|
|
1734 | unblock_sig (); |
|
|
1735 | |
|
|
1736 | if (SvTRUE (ERRSV)) |
|
|
1737 | croak (0); |
|
|
1738 | |
|
|
1739 | XSRETURN (count); |
|
|
1740 | } |
|
|
1741 | |
|
|
1742 | int |
1124 | int |
1743 | nreqs() |
1125 | nreqs() |
1744 | PROTOTYPE: |
1126 | PROTOTYPE: |
1745 | CODE: |
1127 | CODE: |
1746 | RETVAL = nreqs; |
1128 | RETVAL = eio_nreqs (); |
1747 | OUTPUT: |
1129 | OUTPUT: |
1748 | RETVAL |
1130 | RETVAL |
1749 | |
1131 | |
1750 | int |
1132 | int |
1751 | nready() |
1133 | nready() |
1752 | PROTOTYPE: |
1134 | PROTOTYPE: |
1753 | CODE: |
1135 | CODE: |
1754 | RETVAL = get_nready (); |
1136 | RETVAL = eio_nready (); |
1755 | OUTPUT: |
1137 | OUTPUT: |
1756 | RETVAL |
1138 | RETVAL |
1757 | |
1139 | |
1758 | int |
1140 | int |
1759 | npending() |
1141 | npending() |
1760 | PROTOTYPE: |
1142 | PROTOTYPE: |
1761 | CODE: |
1143 | CODE: |
1762 | RETVAL = get_npending (); |
1144 | RETVAL = eio_npending (); |
1763 | OUTPUT: |
1145 | OUTPUT: |
1764 | RETVAL |
1146 | RETVAL |
1765 | |
1147 | |
1766 | int |
1148 | int |
1767 | nthreads() |
1149 | nthreads() |
1768 | PROTOTYPE: |
1150 | PROTOTYPE: |
1769 | CODE: |
1151 | CODE: |
1770 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1152 | RETVAL = eio_nthreads (); |
1771 | RETVAL = started; |
|
|
1772 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1773 | OUTPUT: |
1153 | OUTPUT: |
1774 | RETVAL |
1154 | RETVAL |
1775 | |
1155 | |
|
|
1156 | void _on_next_submit (SV *cb) |
|
|
1157 | CODE: |
|
|
1158 | SvREFCNT_dec (on_next_submit); |
|
|
1159 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1160 | |
1776 | PROTOTYPES: DISABLE |
1161 | PROTOTYPES: DISABLE |
1777 | |
1162 | |
1778 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1163 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1779 | |
1164 | |
1780 | void |
1165 | void |
1781 | cancel (aio_req_ornot req) |
1166 | cancel (aio_req_ornot req) |
1782 | CODE: |
1167 | CODE: |
1783 | req_cancel (req); |
1168 | eio_cancel (req); |
1784 | |
1169 | |
1785 | void |
1170 | void |
1786 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1171 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1787 | CODE: |
1172 | PPCODE: |
|
|
1173 | { |
|
|
1174 | if (GIMME_V != G_VOID) |
|
|
1175 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1176 | |
|
|
1177 | if (items > 1) |
|
|
1178 | { |
|
|
1179 | SV *cb_cv = get_cb (callback); |
|
|
1180 | |
1788 | SvREFCNT_dec (req->callback); |
1181 | SvREFCNT_dec (req->callback); |
1789 | req->callback = newSVsv (callback); |
1182 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1183 | } |
|
|
1184 | } |
1790 | |
1185 | |
1791 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1186 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1792 | |
1187 | |
1793 | void |
1188 | void |
1794 | add (aio_req grp, ...) |
1189 | add (aio_req grp, ...) |
1795 | PPCODE: |
1190 | PPCODE: |
1796 | { |
1191 | { |
1797 | int i; |
1192 | int i; |
1798 | aio_req req; |
|
|
1799 | |
|
|
1800 | if (main_sig && !block_sig_level) |
|
|
1801 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1802 | |
1193 | |
1803 | if (grp->int1 == 2) |
1194 | if (grp->int1 == 2) |
1804 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1195 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1805 | |
1196 | |
1806 | for (i = 1; i < items; ++i ) |
1197 | for (i = 1; i < items; ++i ) |
1807 | { |
1198 | { |
|
|
1199 | aio_req req; |
|
|
1200 | |
1808 | if (GIMME_V != G_VOID) |
1201 | if (GIMME_V != G_VOID) |
1809 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1202 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1810 | |
1203 | |
1811 | req = SvAIO_REQ (ST (i)); |
1204 | req = SvAIO_REQ (ST (i)); |
1812 | |
1205 | |
1813 | if (req) |
1206 | if (req) |
1814 | { |
1207 | eio_grp_add (grp, req); |
1815 | ++grp->size; |
|
|
1816 | req->grp = grp; |
|
|
1817 | |
|
|
1818 | req->grp_prev = 0; |
|
|
1819 | req->grp_next = grp->grp_first; |
|
|
1820 | |
|
|
1821 | if (grp->grp_first) |
|
|
1822 | grp->grp_first->grp_prev = req; |
|
|
1823 | |
|
|
1824 | grp->grp_first = req; |
|
|
1825 | } |
|
|
1826 | } |
1208 | } |
1827 | } |
1209 | } |
1828 | |
1210 | |
1829 | void |
1211 | void |
1830 | cancel_subs (aio_req_ornot req) |
1212 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1839 | AV *av; |
1221 | AV *av; |
1840 | |
1222 | |
1841 | grp->errorno = errno; |
1223 | grp->errorno = errno; |
1842 | |
1224 | |
1843 | av = newAV (); |
1225 | av = newAV (); |
|
|
1226 | av_extend (av, items - 1); |
1844 | |
1227 | |
1845 | for (i = 1; i < items; ++i ) |
1228 | for (i = 1; i < items; ++i ) |
1846 | av_push (av, newSVsv (ST (i))); |
1229 | av_push (av, newSVsv (ST (i))); |
1847 | |
1230 | |
1848 | SvREFCNT_dec (grp->sv1); |
1231 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1855 | grp->errorno = errorno; |
1238 | grp->errorno = errorno; |
1856 | |
1239 | |
1857 | void |
1240 | void |
1858 | limit (aio_req grp, int limit) |
1241 | limit (aio_req grp, int limit) |
1859 | CODE: |
1242 | CODE: |
1860 | grp->int2 = limit; |
1243 | eio_grp_limit (grp, limit); |
1861 | aio_grp_feed (grp); |
|
|
1862 | |
1244 | |
1863 | void |
1245 | void |
1864 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1246 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1865 | CODE: |
1247 | CODE: |
1866 | { |
1248 | { |
1867 | SvREFCNT_dec (grp->sv2); |
1249 | SvREFCNT_dec (grp->sv2); |
1868 | grp->sv2 = newSVsv (callback); |
1250 | grp->sv2 = newSVsv (callback); |
|
|
1251 | grp->feed = aio_grp_feed; |
1869 | |
1252 | |
1870 | if (grp->int2 <= 0) |
1253 | if (grp->int2 <= 0) |
1871 | grp->int2 = 2; |
1254 | grp->int2 = 2; |
1872 | |
1255 | |
1873 | aio_grp_feed (grp); |
1256 | eio_grp_limit (grp, grp->int2); |
1874 | } |
1257 | } |
1875 | |
1258 | |