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1 | #include "libeio/xthread.h" |
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2 | |
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3 | #include <errno.h> |
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4 | |
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5 | #include "EXTERN.h" |
1 | #include "perl.h" |
6 | #include "perl.h" |
2 | #include "XSUB.h" |
7 | #include "XSUB.h" |
3 | |
8 | |
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9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
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11 | #include <errno.h> |
4 | #include <sys/types.h> |
12 | #include <sys/types.h> |
5 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
6 | |
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7 | #include <unistd.h> |
14 | #include <limits.h> |
8 | #include <fcntl.h> |
15 | #include <fcntl.h> |
9 | #include <signal.h> |
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10 | #include <sched.h> |
16 | #include <sched.h> |
11 | #if __linux |
17 | |
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18 | /* perl namespace pollution */ |
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19 | #undef VERSION |
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20 | |
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21 | #ifdef _WIN32 |
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22 | |
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23 | # define EIO_STRUCT_DIRENT Direntry_t |
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24 | # undef malloc |
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25 | # undef free |
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26 | |
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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 | |
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59 | #else |
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60 | |
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61 | # include <sys/time.h> |
12 | #include <sys/syscall.h> |
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 | |
13 | #endif |
68 | #endif |
14 | |
69 | |
15 | #include <pthread.h> |
70 | /* perl stupidly overrides readdir and maybe others */ |
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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 |
16 | |
75 | |
17 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
76 | #define EIO_STRUCT_STAT Stat_t |
18 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
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19 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
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20 | |
77 | |
21 | #if __ia64 |
78 | /* use NV for 32 bit perls as it allows larger offsets */ |
22 | # define STACKSIZE 65536 |
79 | #if IVSIZE >= 8 |
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80 | # define SvVAL64 SvIV |
23 | #else |
81 | #else |
24 | # define STACKSIZE 4096 |
82 | # define SvVAL64 SvNV |
25 | #endif |
83 | #endif |
26 | |
84 | |
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85 | /*****************************************************************************/ |
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86 | |
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87 | #if __GNUC__ >= 3 |
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88 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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89 | #else |
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90 | # define expect(expr,value) (expr) |
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91 | #endif |
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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; |
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99 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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100 | |
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101 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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102 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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103 | |
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104 | #define EIO_REQ_MEMBERS \ |
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105 | SV *callback; \ |
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106 | SV *sv1, *sv2; \ |
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107 | STRLEN stroffset; \ |
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108 | SV *self; |
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109 | |
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110 | #define EIO_NO_WRAPPERS 1 |
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111 | |
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112 | #include "libeio/eio.h" |
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113 | |
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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) |
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118 | |
27 | enum { |
119 | enum { |
28 | REQ_QUIT, |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
29 | REQ_OPEN, REQ_CLOSE, |
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30 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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31 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
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32 | REQ_FSYNC, REQ_FDATASYNC, |
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33 | }; |
121 | }; |
34 | |
122 | |
35 | typedef struct aio_cb { |
123 | #include "libeio/eio.c" |
36 | struct aio_cb *volatile next; |
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37 | |
124 | |
38 | int type; |
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39 | |
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40 | int fd; |
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41 | off_t offset; |
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42 | size_t length; |
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43 | ssize_t result; |
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44 | mode_t mode; /* open */ |
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45 | int errorno; |
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46 | SV *data, *callback, *fh; |
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47 | void *dataptr; |
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48 | STRLEN dataoffset; |
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49 | |
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50 | Stat_t *statdata; |
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51 | } aio_cb; |
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52 | |
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53 | typedef aio_cb *aio_req; |
125 | typedef eio_req *aio_req; |
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126 | typedef eio_req *aio_req_ornot; |
54 | |
127 | |
55 | static int started; |
128 | static SV *on_next_submit; |
56 | static volatile int nreqs; |
129 | static int next_pri = EIO_PRI_DEFAULT; |
57 | static int max_outstanding = 1<<30; |
130 | static int max_outstanding; |
58 | static int respipe [2]; |
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59 | |
131 | |
60 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
132 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
61 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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62 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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63 | |
133 | |
64 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
134 | static void req_destroy (aio_req req); |
65 | static volatile aio_req ress, rese; /* queue start, queue end */ |
135 | static void req_cancel (aio_req req); |
66 | |
136 | |
67 | static void |
137 | static void want_poll (void) |
68 | poll_wait () |
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69 | { |
138 | { |
70 | if (nreqs && !ress) |
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 | } |
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150 | |
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151 | /* must be called at most once */ |
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152 | static SV *req_sv (aio_req req, const char *klass) |
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153 | { |
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154 | if (!req->self) |
71 | { |
155 | { |
72 | fd_set rfd; |
156 | req->self = (SV *)newHV (); |
73 | FD_ZERO(&rfd); |
157 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
74 | FD_SET(respipe [0], &rfd); |
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75 | |
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76 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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77 | } |
158 | } |
78 | } |
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79 | |
159 | |
80 | static int |
160 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
81 | poll_cb () |
161 | } |
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162 | |
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163 | static aio_req SvAIO_REQ (SV *sv) |
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164 | { |
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165 | MAGIC *mg; |
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166 | |
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167 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
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168 | croak ("object of class " AIO_REQ_KLASS " expected"); |
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169 | |
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170 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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171 | |
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172 | return mg ? (aio_req)mg->mg_ptr : 0; |
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173 | } |
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174 | |
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175 | static void aio_grp_feed (aio_req grp) |
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176 | { |
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177 | if (grp->sv2 && SvOK (grp->sv2)) |
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178 | { |
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179 | dSP; |
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180 | |
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181 | ENTER; |
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182 | SAVETMPS; |
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183 | PUSHMARK (SP); |
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184 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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185 | PUTBACK; |
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186 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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187 | SPAGAIN; |
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188 | FREETMPS; |
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189 | LEAVE; |
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190 | } |
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191 | } |
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192 | |
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193 | static void req_submit (eio_req *req) |
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194 | { |
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195 | eio_submit (req); |
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196 | |
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197 | if (expect_false (on_next_submit)) |
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198 | { |
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199 | dSP; |
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200 | SV *cb = sv_2mortal (on_next_submit); |
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201 | |
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202 | on_next_submit = 0; |
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203 | |
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204 | PUSHMARK (SP); |
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205 | PUTBACK; |
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206 | call_sv (cb, G_DISCARD | G_EVAL); |
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207 | } |
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208 | } |
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209 | |
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210 | static int req_invoke (eio_req *req) |
82 | { |
211 | { |
83 | dSP; |
212 | dSP; |
84 | int count = 0; |
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85 | aio_req req, prv; |
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86 | |
213 | |
87 | pthread_mutex_lock (&reslock); |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
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215 | SvREADONLY_off (req->sv2); |
88 | |
216 | |
89 | { |
217 | if (!EIO_CANCELLED (req) && req->callback) |
90 | /* read any signals sent by the worker threads */ |
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91 | char buf [32]; |
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92 | while (read (respipe [0], buf, 32) > 0) |
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93 | ; |
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94 | } |
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95 | |
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96 | req = ress; |
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97 | ress = rese = 0; |
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98 | |
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99 | pthread_mutex_unlock (&reslock); |
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100 | |
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101 | while (req) |
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102 | { |
218 | { |
103 | nreqs--; |
219 | ENTER; |
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220 | SAVETMPS; |
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221 | PUSHMARK (SP); |
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222 | EXTEND (SP, 1); |
104 | |
223 | |
105 | if (req->type == REQ_QUIT) |
224 | switch (req->type) |
106 | started--; |
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107 | else |
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108 | { |
225 | { |
109 | int errorno = errno; |
226 | case EIO_READDIR: |
110 | errno = req->errorno; |
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111 | |
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112 | if (req->type == REQ_READ) |
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113 | SvCUR_set (req->data, req->dataoffset |
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114 | + req->result > 0 ? req->result : 0); |
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115 | |
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116 | if (req->data) |
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117 | SvREFCNT_dec (req->data); |
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118 | |
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119 | if (req->fh) |
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120 | SvREFCNT_dec (req->fh); |
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121 | |
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122 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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123 | { |
227 | { |
124 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
228 | SV *rv = &PL_sv_undef; |
125 | PL_laststatval = req->result; |
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126 | PL_statcache = *(req->statdata); |
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127 | |
229 | |
128 | Safefree (req->statdata); |
230 | if (req->result >= 0) |
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231 | { |
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232 | int i; |
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233 | char *buf = req->ptr2; |
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234 | AV *av = newAV (); |
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235 | |
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236 | av_extend (av, req->result - 1); |
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237 | |
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238 | for (i = 0; i < req->result; ++i) |
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239 | { |
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240 | SV *sv = newSVpv (buf, 0); |
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241 | |
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242 | av_store (av, i, sv); |
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243 | buf += SvCUR (sv) + 1; |
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244 | } |
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245 | |
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246 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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247 | } |
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248 | |
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249 | PUSHs (rv); |
129 | } |
250 | } |
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251 | break; |
130 | |
252 | |
131 | ENTER; |
253 | case EIO_OPEN: |
132 | PUSHMARK (SP); |
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133 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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134 | |
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135 | if (req->type == REQ_OPEN) |
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136 | { |
254 | { |
137 | /* convert fd to fh */ |
255 | /* convert fd to fh */ |
138 | SV *fh; |
256 | SV *fh = &PL_sv_undef; |
139 | |
257 | |
140 | PUTBACK; |
258 | if (req->result >= 0) |
141 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
259 | { |
142 | SPAGAIN; |
260 | GV *gv = (GV *)sv_newmortal (); |
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261 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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262 | char sym [64]; |
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263 | int symlen; |
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264 | |
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265 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
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266 | gv_init (gv, stash, sym, symlen, 0); |
143 | |
267 | |
144 | fh = SvREFCNT_inc (POPs); |
268 | symlen = snprintf ( |
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269 | sym, |
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270 | sizeof (sym), |
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271 | "%s&=%d", |
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272 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
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273 | req->result |
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274 | ); |
145 | |
275 | |
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276 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
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277 | fh = (SV *)gv; |
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278 | } |
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279 | |
146 | PUSHMARK (SP); |
280 | PUSHs (fh); |
147 | XPUSHs (sv_2mortal (fh)); |
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148 | } |
281 | } |
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282 | break; |
149 | |
283 | |
150 | if (SvOK (req->callback)) |
284 | case EIO_GROUP: |
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285 | req->int1 = 2; /* mark group as finished */ |
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286 | |
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287 | if (req->sv1) |
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288 | { |
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289 | int i; |
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290 | AV *av = (AV *)req->sv1; |
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291 | |
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292 | EXTEND (SP, AvFILL (av) + 1); |
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293 | for (i = 0; i <= AvFILL (av); ++i) |
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294 | PUSHs (*av_fetch (av, i, 0)); |
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295 | } |
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296 | break; |
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297 | |
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298 | case EIO_NOP: |
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299 | case EIO_BUSY: |
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300 | break; |
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301 | |
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302 | case EIO_READLINK: |
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303 | if (req->result > 0) |
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304 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
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305 | break; |
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306 | |
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307 | case EIO_STAT: |
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308 | case EIO_LSTAT: |
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309 | case EIO_FSTAT: |
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310 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
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311 | PL_laststatval = req->result; |
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312 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
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313 | PUSHs (sv_2mortal (newSViv (req->result))); |
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314 | break; |
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315 | |
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316 | case EIO_READ: |
151 | { |
317 | { |
152 | PUTBACK; |
318 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
153 | call_sv (req->callback, G_VOID | G_EVAL); |
319 | *SvEND (req->sv2) = 0; |
154 | SPAGAIN; |
320 | SvPOK_only (req->sv2); |
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321 | SvSETMAGIC (req->sv2); |
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322 | PUSHs (sv_2mortal (newSViv (req->result))); |
155 | } |
323 | } |
156 | |
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157 | LEAVE; |
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158 | |
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159 | if (req->callback) |
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160 | SvREFCNT_dec (req->callback); |
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161 | |
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162 | errno = errorno; |
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163 | count++; |
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164 | } |
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165 | |
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166 | prv = req; |
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167 | req = req->next; |
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168 | Safefree (prv); |
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169 | |
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170 | /* TODO: croak on errors? */ |
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171 | } |
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172 | |
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173 | return count; |
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174 | } |
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175 | |
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176 | static void *aio_proc(void *arg); |
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177 | |
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178 | static void |
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179 | start_thread (void) |
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180 | { |
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181 | sigset_t fullsigset, oldsigset; |
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182 | pthread_t tid; |
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183 | pthread_attr_t attr; |
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184 | |
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185 | pthread_attr_init (&attr); |
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186 | pthread_attr_setstacksize (&attr, STACKSIZE); |
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187 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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188 | |
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189 | sigfillset (&fullsigset); |
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190 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
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191 | |
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192 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
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193 | started++; |
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194 | |
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195 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
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196 | } |
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197 | |
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198 | static void |
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199 | send_req (aio_req req) |
|
|
200 | { |
|
|
201 | nreqs++; |
|
|
202 | |
|
|
203 | pthread_mutex_lock (&reqlock); |
|
|
204 | |
|
|
205 | req->next = 0; |
|
|
206 | |
|
|
207 | if (reqe) |
|
|
208 | { |
|
|
209 | reqe->next = req; |
|
|
210 | reqe = req; |
|
|
211 | } |
|
|
212 | else |
|
|
213 | reqe = reqs = req; |
|
|
214 | |
|
|
215 | pthread_cond_signal (&reqwait); |
|
|
216 | pthread_mutex_unlock (&reqlock); |
|
|
217 | |
|
|
218 | while (nreqs > max_outstanding) |
|
|
219 | { |
|
|
220 | poll_wait (); |
|
|
221 | poll_cb (); |
|
|
222 | } |
|
|
223 | } |
|
|
224 | |
|
|
225 | static void |
|
|
226 | end_thread (void) |
|
|
227 | { |
|
|
228 | aio_req req; |
|
|
229 | New (0, req, 1, aio_cb); |
|
|
230 | req->type = REQ_QUIT; |
|
|
231 | |
|
|
232 | send_req (req); |
|
|
233 | } |
|
|
234 | |
|
|
235 | static void * |
|
|
236 | aio_proc (void *thr_arg) |
|
|
237 | { |
|
|
238 | aio_req req; |
|
|
239 | int type; |
|
|
240 | |
|
|
241 | do |
|
|
242 | { |
|
|
243 | pthread_mutex_lock (&reqlock); |
|
|
244 | |
|
|
245 | for (;;) |
|
|
246 | { |
|
|
247 | req = reqs; |
|
|
248 | |
|
|
249 | if (reqs) |
|
|
250 | { |
|
|
251 | reqs = reqs->next; |
|
|
252 | if (!reqs) reqe = 0; |
|
|
253 | } |
|
|
254 | |
|
|
255 | if (req) |
|
|
256 | break; |
324 | break; |
257 | |
325 | |
258 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
259 | } |
|
|
260 | |
|
|
261 | pthread_mutex_unlock (&reqlock); |
|
|
262 | |
|
|
263 | errno = 0; /* strictly unnecessary */ |
|
|
264 | |
|
|
265 | type = req->type; |
|
|
266 | |
|
|
267 | switch (type) |
|
|
268 | { |
|
|
269 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
270 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
271 | #if SYS_readahead |
|
|
272 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
273 | #else |
|
|
274 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
|
|
275 | #endif |
|
|
276 | |
|
|
277 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
278 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
279 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
280 | |
|
|
281 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
282 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
283 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
284 | |
|
|
285 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
286 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
287 | |
|
|
288 | case REQ_QUIT: |
326 | case EIO_DUP2: |
289 | break; |
327 | if (req->result > 0) |
|
|
328 | req->result = 0; |
|
|
329 | /* FALLTHROUGH */ |
290 | |
330 | |
291 | default: |
331 | default: |
292 | req->result = ENOSYS; |
332 | PUSHs (sv_2mortal (newSViv (req->result))); |
293 | break; |
333 | break; |
294 | } |
334 | } |
295 | |
335 | |
296 | req->errorno = errno; |
336 | errno = req->errorno; |
297 | |
337 | |
298 | pthread_mutex_lock (&reslock); |
338 | PUTBACK; |
|
|
339 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
340 | SPAGAIN; |
299 | |
341 | |
300 | req->next = 0; |
342 | FREETMPS; |
|
|
343 | LEAVE; |
301 | |
344 | |
302 | if (rese) |
345 | PUTBACK; |
303 | { |
|
|
304 | rese->next = req; |
|
|
305 | rese = req; |
|
|
306 | } |
|
|
307 | else |
|
|
308 | { |
|
|
309 | rese = ress = req; |
|
|
310 | |
|
|
311 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
312 | write (respipe [1], &respipe, 1); |
|
|
313 | } |
|
|
314 | |
|
|
315 | pthread_mutex_unlock (&reslock); |
|
|
316 | } |
346 | } |
317 | while (type != REQ_QUIT); |
|
|
318 | |
347 | |
|
|
348 | return !!SvTRUE (ERRSV); |
|
|
349 | } |
|
|
350 | |
|
|
351 | static void req_destroy (aio_req req) |
|
|
352 | { |
|
|
353 | if (req->self) |
|
|
354 | { |
|
|
355 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
356 | SvREFCNT_dec (req->self); |
|
|
357 | } |
|
|
358 | |
|
|
359 | SvREFCNT_dec (req->sv1); |
|
|
360 | SvREFCNT_dec (req->sv2); |
|
|
361 | SvREFCNT_dec (req->callback); |
|
|
362 | |
|
|
363 | Safefree (req); |
|
|
364 | } |
|
|
365 | |
|
|
366 | static void req_cancel_subs (aio_req grp) |
|
|
367 | { |
|
|
368 | aio_req sub; |
|
|
369 | |
|
|
370 | if (grp->type != EIO_GROUP) |
|
|
371 | return; |
|
|
372 | |
|
|
373 | SvREFCNT_dec (grp->sv2); |
|
|
374 | grp->sv2 = 0; |
|
|
375 | |
|
|
376 | eio_grp_cancel (grp); |
|
|
377 | } |
|
|
378 | |
|
|
379 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
380 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
381 | #else |
|
|
382 | # define TO_SOCKET(x) (x) |
|
|
383 | #endif |
|
|
384 | |
|
|
385 | static void |
|
|
386 | create_respipe (void) |
|
|
387 | { |
|
|
388 | int old_readfd = respipe [0]; |
|
|
389 | |
|
|
390 | if (respipe [1] >= 0) |
|
|
391 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
392 | |
|
|
393 | #ifdef _WIN32 |
|
|
394 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
395 | #else |
|
|
396 | if (pipe (respipe)) |
|
|
397 | #endif |
|
|
398 | croak ("unable to initialize result pipe"); |
|
|
399 | |
|
|
400 | if (old_readfd >= 0) |
|
|
401 | { |
|
|
402 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
403 | croak ("unable to initialize result pipe(2)"); |
|
|
404 | |
|
|
405 | respipe_close (respipe [0]); |
|
|
406 | respipe [0] = old_readfd; |
|
|
407 | } |
|
|
408 | |
|
|
409 | #ifdef _WIN32 |
|
|
410 | int arg = 1; |
|
|
411 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
412 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
413 | #else |
|
|
414 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
415 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
416 | #endif |
|
|
417 | croak ("unable to initialize result pipe(3)"); |
|
|
418 | |
|
|
419 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
420 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
421 | } |
|
|
422 | |
|
|
423 | static void poll_wait (void) |
|
|
424 | { |
|
|
425 | fd_set rfd; |
|
|
426 | |
|
|
427 | while (eio_nreqs ()) |
|
|
428 | { |
|
|
429 | int size; |
|
|
430 | |
|
|
431 | X_LOCK (reslock); |
|
|
432 | size = res_queue.size; |
|
|
433 | X_UNLOCK (reslock); |
|
|
434 | |
|
|
435 | if (size) |
|
|
436 | return; |
|
|
437 | |
|
|
438 | etp_maybe_start_thread (); |
|
|
439 | |
|
|
440 | FD_ZERO (&rfd); |
|
|
441 | FD_SET (respipe [0], &rfd); |
|
|
442 | |
|
|
443 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
444 | } |
|
|
445 | } |
|
|
446 | |
|
|
447 | static int poll_cb (void) |
|
|
448 | { |
|
|
449 | for (;;) |
|
|
450 | { |
|
|
451 | int res = eio_poll (); |
|
|
452 | |
|
|
453 | if (res > 0) |
|
|
454 | croak (0); |
|
|
455 | |
|
|
456 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
457 | return res; |
|
|
458 | |
|
|
459 | poll_wait (); |
|
|
460 | } |
|
|
461 | } |
|
|
462 | |
|
|
463 | static void atfork_child (void) |
|
|
464 | { |
|
|
465 | create_respipe (); |
|
|
466 | } |
|
|
467 | |
|
|
468 | static SV * |
|
|
469 | get_cb (SV *cb_sv) |
|
|
470 | { |
|
|
471 | HV *st; |
|
|
472 | GV *gvp; |
|
|
473 | CV *cv; |
|
|
474 | |
|
|
475 | if (!SvOK (cb_sv)) |
319 | return 0; |
476 | return 0; |
|
|
477 | |
|
|
478 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
479 | |
|
|
480 | if (!cv) |
|
|
481 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
|
482 | |
|
|
483 | return (SV *)cv; |
|
|
484 | } |
|
|
485 | |
|
|
486 | #define dREQ \ |
|
|
487 | SV *cb_cv; \ |
|
|
488 | aio_req req; \ |
|
|
489 | int req_pri = next_pri; \ |
|
|
490 | next_pri = EIO_PRI_DEFAULT; \ |
|
|
491 | \ |
|
|
492 | cb_cv = get_cb (callback); \ |
|
|
493 | \ |
|
|
494 | Newz (0, req, 1, eio_req); \ |
|
|
495 | if (!req) \ |
|
|
496 | croak ("out of memory during eio_req allocation"); \ |
|
|
497 | \ |
|
|
498 | req->callback = SvREFCNT_inc (cb_cv); \ |
|
|
499 | req->pri = req_pri |
|
|
500 | |
|
|
501 | #define REQ_SEND \ |
|
|
502 | PUTBACK; \ |
|
|
503 | req_submit (req); \ |
|
|
504 | SPAGAIN; \ |
|
|
505 | \ |
|
|
506 | if (GIMME_V != G_VOID) \ |
|
|
507 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
508 | |
|
|
509 | static int |
|
|
510 | extract_fd (SV *fh, int wr) |
|
|
511 | { |
|
|
512 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
513 | |
|
|
514 | if (fd < 0) |
|
|
515 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
516 | |
|
|
517 | return fd; |
320 | } |
518 | } |
321 | |
519 | |
322 | MODULE = IO::AIO PACKAGE = IO::AIO |
520 | MODULE = IO::AIO PACKAGE = IO::AIO |
323 | |
521 | |
324 | PROTOTYPES: ENABLE |
522 | PROTOTYPES: ENABLE |
325 | |
523 | |
326 | BOOT: |
524 | BOOT: |
327 | { |
525 | { |
328 | if (pipe (respipe)) |
526 | stash = gv_stashpv ("IO::AIO", 1); |
329 | croak ("unable to initialize result pipe"); |
|
|
330 | |
527 | |
331 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
528 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
332 | croak ("cannot set result pipe to nonblocking mode"); |
529 | newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS)); |
|
|
530 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
531 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
532 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
533 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
534 | #ifndef _WIN32 |
|
|
535 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
536 | #endif |
|
|
537 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
538 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
|
|
539 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
|
|
540 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
333 | |
541 | |
334 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
542 | create_respipe (); |
335 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
336 | } |
|
|
337 | |
543 | |
|
|
544 | if (eio_init (want_poll, done_poll) < 0) |
|
|
545 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
546 | |
|
|
547 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
548 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
549 | } |
|
|
550 | |
338 | void |
551 | void |
339 | min_parallel(nthreads) |
552 | max_poll_reqs (int nreqs) |
340 | int nthreads |
|
|
341 | PROTOTYPE: $ |
553 | PROTOTYPE: $ |
342 | CODE: |
554 | CODE: |
343 | while (nthreads > started) |
555 | eio_set_max_poll_reqs (nreqs); |
344 | start_thread (); |
|
|
345 | |
556 | |
346 | void |
557 | void |
347 | max_parallel(nthreads) |
558 | max_poll_time (double nseconds) |
348 | int nthreads |
|
|
349 | PROTOTYPE: $ |
559 | PROTOTYPE: $ |
350 | CODE: |
560 | CODE: |
|
|
561 | eio_set_max_poll_time (nseconds); |
|
|
562 | |
|
|
563 | void |
|
|
564 | min_parallel (int nthreads) |
|
|
565 | PROTOTYPE: $ |
|
|
566 | CODE: |
|
|
567 | eio_set_min_parallel (nthreads); |
|
|
568 | |
|
|
569 | void |
|
|
570 | max_parallel (int nthreads) |
|
|
571 | PROTOTYPE: $ |
|
|
572 | CODE: |
|
|
573 | eio_set_max_parallel (nthreads); |
|
|
574 | |
|
|
575 | void |
|
|
576 | max_idle (int nthreads) |
|
|
577 | PROTOTYPE: $ |
|
|
578 | CODE: |
|
|
579 | eio_set_max_idle (nthreads); |
|
|
580 | |
|
|
581 | void |
|
|
582 | max_outstanding (int maxreqs) |
|
|
583 | PROTOTYPE: $ |
|
|
584 | CODE: |
|
|
585 | max_outstanding = maxreqs; |
|
|
586 | |
|
|
587 | void |
|
|
588 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
589 | PROTOTYPE: $$$;$ |
|
|
590 | PPCODE: |
351 | { |
591 | { |
352 | int cur = started; |
592 | dREQ; |
353 | while (cur > nthreads) |
593 | |
354 | { |
594 | req->type = EIO_OPEN; |
355 | end_thread (); |
595 | req->sv1 = newSVsv (pathname); |
|
|
596 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
597 | req->int1 = flags; |
|
|
598 | req->int2 = mode; |
|
|
599 | |
|
|
600 | REQ_SEND; |
|
|
601 | } |
|
|
602 | |
|
|
603 | void |
|
|
604 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
|
|
605 | PROTOTYPE: $;$ |
|
|
606 | ALIAS: |
|
|
607 | aio_fsync = EIO_FSYNC |
|
|
608 | aio_fdatasync = EIO_FDATASYNC |
|
|
609 | PPCODE: |
|
|
610 | { |
|
|
611 | int fd = extract_fd (fh, 0); |
|
|
612 | dREQ; |
|
|
613 | |
|
|
614 | req->type = ix; |
|
|
615 | req->sv1 = newSVsv (fh); |
|
|
616 | req->int1 = fd; |
|
|
617 | |
|
|
618 | REQ_SEND (req); |
|
|
619 | } |
|
|
620 | |
|
|
621 | void |
|
|
622 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
623 | PROTOTYPE: $$$$;$ |
|
|
624 | PPCODE: |
|
|
625 | { |
|
|
626 | int fd = extract_fd (fh, 0); |
|
|
627 | dREQ; |
|
|
628 | |
|
|
629 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
630 | req->sv1 = newSVsv (fh); |
|
|
631 | req->int1 = fd; |
|
|
632 | req->offs = SvVAL64 (offset); |
|
|
633 | req->size = SvVAL64 (nbytes); |
|
|
634 | req->int2 = flags; |
|
|
635 | |
|
|
636 | REQ_SEND (req); |
|
|
637 | } |
|
|
638 | |
|
|
639 | void |
|
|
640 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
641 | PROTOTYPE: $;$ |
|
|
642 | PPCODE: |
|
|
643 | { |
|
|
644 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
645 | int fd = extract_fd (fh, 0); |
|
|
646 | dREQ; |
|
|
647 | |
|
|
648 | if (close_pipe < 0) |
|
|
649 | { |
|
|
650 | int pipefd [2]; |
|
|
651 | |
|
|
652 | if (pipe (pipefd) < 0 |
|
|
653 | || close (pipefd [1]) < 0 |
|
|
654 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
655 | abort (); /*D*/ |
|
|
656 | |
|
|
657 | close_pipe = pipefd [0]; |
|
|
658 | } |
|
|
659 | |
|
|
660 | req->type = EIO_DUP2; |
|
|
661 | req->int1 = close_pipe; |
|
|
662 | req->sv2 = newSVsv (fh); |
|
|
663 | req->int2 = fd; |
|
|
664 | |
|
|
665 | REQ_SEND (req); |
|
|
666 | } |
|
|
667 | |
|
|
668 | void |
|
|
669 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
|
|
670 | ALIAS: |
|
|
671 | aio_read = EIO_READ |
|
|
672 | aio_write = EIO_WRITE |
|
|
673 | PROTOTYPE: $$$$$;$ |
|
|
674 | PPCODE: |
|
|
675 | { |
|
|
676 | STRLEN svlen; |
|
|
677 | int fd = extract_fd (fh, ix == EIO_WRITE); |
|
|
678 | char *svptr = SvPVbyte (data, svlen); |
|
|
679 | UV len = SvUV (length); |
|
|
680 | |
|
|
681 | if (dataoffset < 0) |
|
|
682 | dataoffset += svlen; |
|
|
683 | |
|
|
684 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
685 | croak ("dataoffset outside of data scalar"); |
|
|
686 | |
|
|
687 | if (ix == EIO_WRITE) |
|
|
688 | { |
|
|
689 | /* write: check length and adjust. */ |
|
|
690 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
691 | len = svlen - dataoffset; |
|
|
692 | } |
|
|
693 | else |
|
|
694 | { |
|
|
695 | /* read: check type and grow scalar as necessary */ |
|
|
696 | SvUPGRADE (data, SVt_PV); |
|
|
697 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
698 | } |
|
|
699 | |
|
|
700 | { |
|
|
701 | dREQ; |
|
|
702 | |
|
|
703 | req->type = ix; |
|
|
704 | req->sv1 = newSVsv (fh); |
|
|
705 | req->int1 = fd; |
|
|
706 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
707 | req->size = len; |
|
|
708 | req->sv2 = SvREFCNT_inc (data); |
|
|
709 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
710 | req->stroffset = dataoffset; |
|
|
711 | |
|
|
712 | if (!SvREADONLY (data)) |
356 | cur--; |
713 | { |
|
|
714 | SvREADONLY_on (data); |
|
|
715 | req->flags |= FLAG_SV2_RO_OFF; |
357 | } |
716 | } |
358 | |
717 | |
359 | while (started > nthreads) |
718 | REQ_SEND; |
|
|
719 | } |
|
|
720 | } |
|
|
721 | |
|
|
722 | void |
|
|
723 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
724 | PROTOTYPE: $$;$ |
|
|
725 | PPCODE: |
|
|
726 | { |
|
|
727 | SV *data; |
|
|
728 | dREQ; |
|
|
729 | |
|
|
730 | req->type = EIO_READLINK; |
|
|
731 | req->sv1 = newSVsv (path); |
|
|
732 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
733 | |
|
|
734 | REQ_SEND; |
|
|
735 | } |
|
|
736 | |
|
|
737 | void |
|
|
738 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
|
|
739 | PROTOTYPE: $$$$;$ |
|
|
740 | PPCODE: |
|
|
741 | { |
|
|
742 | int ifd = extract_fd (in_fh , 0); |
|
|
743 | int ofd = extract_fd (out_fh, 0); |
|
|
744 | dREQ; |
|
|
745 | |
|
|
746 | req->type = EIO_SENDFILE; |
|
|
747 | req->sv1 = newSVsv (out_fh); |
|
|
748 | req->int1 = ofd; |
|
|
749 | req->sv2 = newSVsv (in_fh); |
|
|
750 | req->int2 = ifd; |
|
|
751 | req->offs = SvVAL64 (in_offset); |
|
|
752 | req->size = length; |
|
|
753 | |
|
|
754 | REQ_SEND; |
|
|
755 | } |
|
|
756 | |
|
|
757 | void |
|
|
758 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
|
|
759 | PROTOTYPE: $$$;$ |
|
|
760 | PPCODE: |
|
|
761 | { |
|
|
762 | int fd = extract_fd (fh, 0); |
|
|
763 | dREQ; |
|
|
764 | |
|
|
765 | req->type = EIO_READAHEAD; |
|
|
766 | req->sv1 = newSVsv (fh); |
|
|
767 | req->int1 = fd; |
|
|
768 | req->offs = SvVAL64 (offset); |
|
|
769 | req->size = length; |
|
|
770 | |
|
|
771 | REQ_SEND; |
|
|
772 | } |
|
|
773 | |
|
|
774 | void |
|
|
775 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
776 | ALIAS: |
|
|
777 | aio_stat = EIO_STAT |
|
|
778 | aio_lstat = EIO_LSTAT |
|
|
779 | PPCODE: |
|
|
780 | { |
|
|
781 | dREQ; |
|
|
782 | |
|
|
783 | req->sv1 = newSVsv (fh_or_path); |
|
|
784 | |
|
|
785 | if (SvPOK (req->sv1)) |
|
|
786 | { |
|
|
787 | req->type = ix; |
|
|
788 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
789 | } |
|
|
790 | else |
|
|
791 | { |
|
|
792 | req->type = EIO_FSTAT; |
|
|
793 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
794 | } |
|
|
795 | |
|
|
796 | REQ_SEND; |
|
|
797 | } |
|
|
798 | |
|
|
799 | void |
|
|
800 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
801 | PPCODE: |
|
|
802 | { |
|
|
803 | dREQ; |
|
|
804 | |
|
|
805 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
806 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
807 | req->sv1 = newSVsv (fh_or_path); |
|
|
808 | |
|
|
809 | if (SvPOK (req->sv1)) |
|
|
810 | { |
|
|
811 | req->type = EIO_UTIME; |
|
|
812 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
813 | } |
|
|
814 | else |
|
|
815 | { |
|
|
816 | req->type = EIO_FUTIME; |
|
|
817 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
818 | } |
|
|
819 | |
|
|
820 | REQ_SEND; |
|
|
821 | } |
|
|
822 | |
|
|
823 | void |
|
|
824 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
825 | PPCODE: |
|
|
826 | { |
|
|
827 | dREQ; |
|
|
828 | |
|
|
829 | req->sv1 = newSVsv (fh_or_path); |
|
|
830 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
831 | |
|
|
832 | if (SvPOK (req->sv1)) |
|
|
833 | { |
|
|
834 | req->type = EIO_TRUNCATE; |
|
|
835 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
836 | } |
|
|
837 | else |
|
|
838 | { |
|
|
839 | req->type = EIO_FTRUNCATE; |
|
|
840 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
841 | } |
|
|
842 | |
|
|
843 | REQ_SEND; |
|
|
844 | } |
|
|
845 | |
|
|
846 | void |
|
|
847 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
848 | ALIAS: |
|
|
849 | aio_chmod = EIO_CHMOD |
|
|
850 | aio_mkdir = EIO_MKDIR |
|
|
851 | PPCODE: |
|
|
852 | { |
|
|
853 | dREQ; |
|
|
854 | |
|
|
855 | req->int2 = mode; |
|
|
856 | req->sv1 = newSVsv (fh_or_path); |
|
|
857 | |
|
|
858 | if (SvPOK (req->sv1)) |
|
|
859 | { |
|
|
860 | req->type = ix; |
|
|
861 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
862 | } |
|
|
863 | else |
|
|
864 | { |
|
|
865 | req->type = EIO_FCHMOD; |
|
|
866 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
867 | } |
|
|
868 | |
|
|
869 | REQ_SEND; |
|
|
870 | } |
|
|
871 | |
|
|
872 | void |
|
|
873 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
874 | PPCODE: |
|
|
875 | { |
|
|
876 | dREQ; |
|
|
877 | |
|
|
878 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
879 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
880 | req->sv1 = newSVsv (fh_or_path); |
|
|
881 | |
|
|
882 | if (SvPOK (req->sv1)) |
|
|
883 | { |
|
|
884 | req->type = EIO_CHOWN; |
|
|
885 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
886 | } |
|
|
887 | else |
|
|
888 | { |
|
|
889 | req->type = EIO_FCHOWN; |
|
|
890 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
891 | } |
|
|
892 | |
|
|
893 | REQ_SEND; |
|
|
894 | } |
|
|
895 | |
|
|
896 | void |
|
|
897 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
898 | ALIAS: |
|
|
899 | aio_unlink = EIO_UNLINK |
|
|
900 | aio_rmdir = EIO_RMDIR |
|
|
901 | aio_readdir = EIO_READDIR |
|
|
902 | PPCODE: |
|
|
903 | { |
|
|
904 | dREQ; |
|
|
905 | |
|
|
906 | req->type = ix; |
|
|
907 | req->sv1 = newSVsv (pathname); |
|
|
908 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
909 | |
|
|
910 | REQ_SEND; |
|
|
911 | } |
|
|
912 | |
|
|
913 | void |
|
|
914 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
915 | ALIAS: |
|
|
916 | aio_link = EIO_LINK |
|
|
917 | aio_symlink = EIO_SYMLINK |
|
|
918 | aio_rename = EIO_RENAME |
|
|
919 | PPCODE: |
|
|
920 | { |
|
|
921 | dREQ; |
|
|
922 | |
|
|
923 | req->type = ix; |
|
|
924 | req->sv1 = newSVsv (oldpath); |
|
|
925 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
926 | req->sv2 = newSVsv (newpath); |
|
|
927 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
928 | |
|
|
929 | REQ_SEND; |
|
|
930 | } |
|
|
931 | |
|
|
932 | void |
|
|
933 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
934 | PPCODE: |
|
|
935 | { |
|
|
936 | dREQ; |
|
|
937 | |
|
|
938 | req->type = EIO_MKNOD; |
|
|
939 | req->sv1 = newSVsv (pathname); |
|
|
940 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
941 | req->int2 = (mode_t)mode; |
|
|
942 | req->offs = dev; |
|
|
943 | |
|
|
944 | REQ_SEND; |
|
|
945 | } |
|
|
946 | |
|
|
947 | void |
|
|
948 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
949 | PPCODE: |
|
|
950 | { |
|
|
951 | dREQ; |
|
|
952 | |
|
|
953 | req->type = EIO_BUSY; |
|
|
954 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
955 | |
|
|
956 | REQ_SEND; |
|
|
957 | } |
|
|
958 | |
|
|
959 | void |
|
|
960 | aio_group (SV *callback=&PL_sv_undef) |
|
|
961 | PROTOTYPE: ;$ |
|
|
962 | PPCODE: |
|
|
963 | { |
|
|
964 | dREQ; |
|
|
965 | |
|
|
966 | req->type = EIO_GROUP; |
|
|
967 | |
|
|
968 | req_submit (req); |
|
|
969 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
970 | } |
|
|
971 | |
|
|
972 | void |
|
|
973 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
974 | ALIAS: |
|
|
975 | aio_nop = EIO_NOP |
|
|
976 | aio_sync = EIO_SYNC |
|
|
977 | PPCODE: |
|
|
978 | { |
|
|
979 | dREQ; |
|
|
980 | |
|
|
981 | req->type = ix; |
|
|
982 | |
|
|
983 | REQ_SEND; |
|
|
984 | } |
|
|
985 | |
|
|
986 | int |
|
|
987 | aioreq_pri (int pri = 0) |
|
|
988 | PROTOTYPE: ;$ |
|
|
989 | CODE: |
|
|
990 | RETVAL = next_pri; |
|
|
991 | if (items > 0) |
|
|
992 | { |
|
|
993 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
994 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
995 | next_pri = pri; |
|
|
996 | } |
|
|
997 | OUTPUT: |
|
|
998 | RETVAL |
|
|
999 | |
|
|
1000 | void |
|
|
1001 | aioreq_nice (int nice = 0) |
|
|
1002 | CODE: |
|
|
1003 | nice = next_pri - nice; |
|
|
1004 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1005 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1006 | next_pri = nice; |
|
|
1007 | |
|
|
1008 | void |
|
|
1009 | flush () |
|
|
1010 | PROTOTYPE: |
|
|
1011 | CODE: |
|
|
1012 | while (eio_nreqs ()) |
360 | { |
1013 | { |
361 | poll_wait (); |
1014 | poll_wait (); |
362 | poll_cb (); |
1015 | poll_cb (); |
363 | } |
1016 | } |
364 | } |
|
|
365 | |
1017 | |
366 | int |
1018 | int |
367 | max_outstanding(nreqs) |
|
|
368 | int nreqs |
|
|
369 | PROTOTYPE: $ |
|
|
370 | CODE: |
|
|
371 | RETVAL = max_outstanding; |
|
|
372 | max_outstanding = nreqs; |
|
|
373 | |
|
|
374 | void |
|
|
375 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
|
|
376 | SV * pathname |
|
|
377 | int flags |
|
|
378 | int mode |
|
|
379 | SV * callback |
|
|
380 | PROTOTYPE: $$$;$ |
|
|
381 | CODE: |
|
|
382 | { |
|
|
383 | aio_req req; |
|
|
384 | |
|
|
385 | Newz (0, req, 1, aio_cb); |
|
|
386 | |
|
|
387 | if (!req) |
|
|
388 | croak ("out of memory during aio_req allocation"); |
|
|
389 | |
|
|
390 | req->type = REQ_OPEN; |
|
|
391 | req->data = newSVsv (pathname); |
|
|
392 | req->dataptr = SvPV_nolen (req->data); |
|
|
393 | req->fd = flags; |
|
|
394 | req->mode = mode; |
|
|
395 | req->callback = SvREFCNT_inc (callback); |
|
|
396 | |
|
|
397 | send_req (req); |
|
|
398 | } |
|
|
399 | |
|
|
400 | void |
|
|
401 | aio_close(fh,callback=&PL_sv_undef) |
|
|
402 | SV * fh |
|
|
403 | SV * callback |
|
|
404 | PROTOTYPE: $;$ |
|
|
405 | ALIAS: |
|
|
406 | aio_close = REQ_CLOSE |
|
|
407 | aio_fsync = REQ_FSYNC |
|
|
408 | aio_fdatasync = REQ_FDATASYNC |
|
|
409 | CODE: |
|
|
410 | { |
|
|
411 | aio_req req; |
|
|
412 | |
|
|
413 | Newz (0, req, 1, aio_cb); |
|
|
414 | |
|
|
415 | if (!req) |
|
|
416 | croak ("out of memory during aio_req allocation"); |
|
|
417 | |
|
|
418 | req->type = ix; |
|
|
419 | req->fh = newSVsv (fh); |
|
|
420 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
421 | req->callback = SvREFCNT_inc (callback); |
|
|
422 | |
|
|
423 | send_req (req); |
|
|
424 | } |
|
|
425 | |
|
|
426 | void |
|
|
427 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
|
|
428 | SV * fh |
|
|
429 | UV offset |
|
|
430 | IV length |
|
|
431 | SV * data |
|
|
432 | IV dataoffset |
|
|
433 | SV * callback |
|
|
434 | ALIAS: |
|
|
435 | aio_read = REQ_READ |
|
|
436 | aio_write = REQ_WRITE |
|
|
437 | PROTOTYPE: $$$$$;$ |
|
|
438 | CODE: |
|
|
439 | { |
|
|
440 | aio_req req; |
|
|
441 | STRLEN svlen; |
|
|
442 | char *svptr = SvPV (data, svlen); |
|
|
443 | |
|
|
444 | SvUPGRADE (data, SVt_PV); |
|
|
445 | SvPOK_on (data); |
|
|
446 | |
|
|
447 | if (dataoffset < 0) |
|
|
448 | dataoffset += svlen; |
|
|
449 | |
|
|
450 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
451 | croak ("data offset outside of string"); |
|
|
452 | |
|
|
453 | if (ix == REQ_WRITE) |
|
|
454 | { |
|
|
455 | /* write: check length and adjust. */ |
|
|
456 | if (length < 0 || length + dataoffset > svlen) |
|
|
457 | length = svlen - dataoffset; |
|
|
458 | } |
|
|
459 | else |
|
|
460 | { |
|
|
461 | /* read: grow scalar as necessary */ |
|
|
462 | svptr = SvGROW (data, length + dataoffset); |
|
|
463 | } |
|
|
464 | |
|
|
465 | if (length < 0) |
|
|
466 | croak ("length must not be negative"); |
|
|
467 | |
|
|
468 | Newz (0, req, 1, aio_cb); |
|
|
469 | |
|
|
470 | if (!req) |
|
|
471 | croak ("out of memory during aio_req allocation"); |
|
|
472 | |
|
|
473 | req->type = ix; |
|
|
474 | req->fh = newSVsv (fh); |
|
|
475 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
|
|
476 | : IoOFP (sv_2io (fh))); |
|
|
477 | req->offset = offset; |
|
|
478 | req->length = length; |
|
|
479 | req->data = SvREFCNT_inc (data); |
|
|
480 | req->dataptr = (char *)svptr + dataoffset; |
|
|
481 | req->callback = SvREFCNT_inc (callback); |
|
|
482 | |
|
|
483 | send_req (req); |
|
|
484 | } |
|
|
485 | |
|
|
486 | void |
|
|
487 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
|
|
488 | SV * fh |
|
|
489 | UV offset |
|
|
490 | IV length |
|
|
491 | SV * callback |
|
|
492 | PROTOTYPE: $$$;$ |
|
|
493 | CODE: |
|
|
494 | { |
|
|
495 | aio_req req; |
|
|
496 | |
|
|
497 | if (length < 0) |
|
|
498 | croak ("length must not be negative"); |
|
|
499 | |
|
|
500 | Newz (0, req, 1, aio_cb); |
|
|
501 | |
|
|
502 | if (!req) |
|
|
503 | croak ("out of memory during aio_req allocation"); |
|
|
504 | |
|
|
505 | req->type = REQ_READAHEAD; |
|
|
506 | req->fh = newSVsv (fh); |
|
|
507 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
508 | req->offset = offset; |
|
|
509 | req->length = length; |
|
|
510 | req->callback = SvREFCNT_inc (callback); |
|
|
511 | |
|
|
512 | send_req (req); |
|
|
513 | } |
|
|
514 | |
|
|
515 | void |
|
|
516 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
|
|
517 | SV * fh_or_path |
|
|
518 | SV * callback |
|
|
519 | ALIAS: |
|
|
520 | aio_stat = REQ_STAT |
|
|
521 | aio_lstat = REQ_LSTAT |
|
|
522 | CODE: |
|
|
523 | { |
|
|
524 | aio_req req; |
|
|
525 | |
|
|
526 | Newz (0, req, 1, aio_cb); |
|
|
527 | |
|
|
528 | if (!req) |
|
|
529 | croak ("out of memory during aio_req allocation"); |
|
|
530 | |
|
|
531 | New (0, req->statdata, 1, Stat_t); |
|
|
532 | |
|
|
533 | if (!req->statdata) |
|
|
534 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
535 | |
|
|
536 | if (SvPOK (fh_or_path)) |
|
|
537 | { |
|
|
538 | req->type = ix; |
|
|
539 | req->data = newSVsv (fh_or_path); |
|
|
540 | req->dataptr = SvPV_nolen (req->data); |
|
|
541 | } |
|
|
542 | else |
|
|
543 | { |
|
|
544 | req->type = REQ_FSTAT; |
|
|
545 | req->fh = newSVsv (fh_or_path); |
|
|
546 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
547 | } |
|
|
548 | |
|
|
549 | req->callback = SvREFCNT_inc (callback); |
|
|
550 | |
|
|
551 | send_req (req); |
|
|
552 | } |
|
|
553 | |
|
|
554 | void |
|
|
555 | aio_unlink(pathname,callback=&PL_sv_undef) |
|
|
556 | SV * pathname |
|
|
557 | SV * callback |
|
|
558 | CODE: |
|
|
559 | { |
|
|
560 | aio_req req; |
|
|
561 | |
|
|
562 | Newz (0, req, 1, aio_cb); |
|
|
563 | |
|
|
564 | if (!req) |
|
|
565 | croak ("out of memory during aio_req allocation"); |
|
|
566 | |
|
|
567 | req->type = REQ_UNLINK; |
|
|
568 | req->data = newSVsv (pathname); |
|
|
569 | req->dataptr = SvPV_nolen (req->data); |
|
|
570 | req->callback = SvREFCNT_inc (callback); |
|
|
571 | |
|
|
572 | send_req (req); |
|
|
573 | } |
|
|
574 | |
|
|
575 | void |
|
|
576 | flush() |
|
|
577 | PROTOTYPE: |
|
|
578 | CODE: |
|
|
579 | while (nreqs) |
|
|
580 | { |
|
|
581 | poll_wait (); |
|
|
582 | poll_cb (); |
|
|
583 | } |
|
|
584 | |
|
|
585 | void |
|
|
586 | poll() |
1019 | poll() |
587 | PROTOTYPE: |
1020 | PROTOTYPE: |
588 | CODE: |
1021 | CODE: |
589 | if (nreqs) |
|
|
590 | { |
|
|
591 | poll_wait (); |
1022 | poll_wait (); |
592 | poll_cb (); |
1023 | RETVAL = poll_cb (); |
593 | } |
1024 | OUTPUT: |
|
|
1025 | RETVAL |
594 | |
1026 | |
595 | int |
1027 | int |
596 | poll_fileno() |
1028 | poll_fileno() |
597 | PROTOTYPE: |
1029 | PROTOTYPE: |
598 | CODE: |
1030 | CODE: |
… | |
… | |
610 | |
1042 | |
611 | void |
1043 | void |
612 | poll_wait() |
1044 | poll_wait() |
613 | PROTOTYPE: |
1045 | PROTOTYPE: |
614 | CODE: |
1046 | CODE: |
615 | if (nreqs) |
|
|
616 | poll_wait (); |
1047 | poll_wait (); |
617 | |
1048 | |
618 | int |
1049 | int |
619 | nreqs() |
1050 | nreqs() |
620 | PROTOTYPE: |
1051 | PROTOTYPE: |
621 | CODE: |
1052 | CODE: |
622 | RETVAL = nreqs; |
1053 | RETVAL = eio_nreqs (); |
623 | OUTPUT: |
1054 | OUTPUT: |
624 | RETVAL |
1055 | RETVAL |
625 | |
1056 | |
|
|
1057 | int |
|
|
1058 | nready() |
|
|
1059 | PROTOTYPE: |
|
|
1060 | CODE: |
|
|
1061 | RETVAL = eio_nready (); |
|
|
1062 | OUTPUT: |
|
|
1063 | RETVAL |
|
|
1064 | |
|
|
1065 | int |
|
|
1066 | npending() |
|
|
1067 | PROTOTYPE: |
|
|
1068 | CODE: |
|
|
1069 | RETVAL = eio_npending (); |
|
|
1070 | OUTPUT: |
|
|
1071 | RETVAL |
|
|
1072 | |
|
|
1073 | int |
|
|
1074 | nthreads() |
|
|
1075 | PROTOTYPE: |
|
|
1076 | CODE: |
|
|
1077 | RETVAL = eio_nthreads (); |
|
|
1078 | OUTPUT: |
|
|
1079 | RETVAL |
|
|
1080 | |
|
|
1081 | void _on_next_submit (SV *cb) |
|
|
1082 | CODE: |
|
|
1083 | SvREFCNT_dec (on_next_submit); |
|
|
1084 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1085 | |
|
|
1086 | PROTOTYPES: DISABLE |
|
|
1087 | |
|
|
1088 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1089 | |
|
|
1090 | void |
|
|
1091 | cancel (aio_req_ornot req) |
|
|
1092 | CODE: |
|
|
1093 | eio_cancel (req); |
|
|
1094 | |
|
|
1095 | void |
|
|
1096 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1097 | PPCODE: |
|
|
1098 | { |
|
|
1099 | if (GIMME_V != G_VOID) |
|
|
1100 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1101 | |
|
|
1102 | if (items > 1) |
|
|
1103 | { |
|
|
1104 | SV *cb_cv = get_cb (callback); |
|
|
1105 | |
|
|
1106 | SvREFCNT_dec (req->callback); |
|
|
1107 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1108 | } |
|
|
1109 | } |
|
|
1110 | |
|
|
1111 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1112 | |
|
|
1113 | void |
|
|
1114 | add (aio_req grp, ...) |
|
|
1115 | PPCODE: |
|
|
1116 | { |
|
|
1117 | int i; |
|
|
1118 | |
|
|
1119 | if (grp->int1 == 2) |
|
|
1120 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1121 | |
|
|
1122 | for (i = 1; i < items; ++i ) |
|
|
1123 | { |
|
|
1124 | aio_req req; |
|
|
1125 | |
|
|
1126 | if (GIMME_V != G_VOID) |
|
|
1127 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1128 | |
|
|
1129 | req = SvAIO_REQ (ST (i)); |
|
|
1130 | |
|
|
1131 | if (req) |
|
|
1132 | eio_grp_add (grp, req); |
|
|
1133 | } |
|
|
1134 | } |
|
|
1135 | |
|
|
1136 | void |
|
|
1137 | cancel_subs (aio_req_ornot req) |
|
|
1138 | CODE: |
|
|
1139 | req_cancel_subs (req); |
|
|
1140 | |
|
|
1141 | void |
|
|
1142 | result (aio_req grp, ...) |
|
|
1143 | CODE: |
|
|
1144 | { |
|
|
1145 | int i; |
|
|
1146 | AV *av; |
|
|
1147 | |
|
|
1148 | grp->errorno = errno; |
|
|
1149 | |
|
|
1150 | av = newAV (); |
|
|
1151 | |
|
|
1152 | for (i = 1; i < items; ++i ) |
|
|
1153 | av_push (av, newSVsv (ST (i))); |
|
|
1154 | |
|
|
1155 | SvREFCNT_dec (grp->sv1); |
|
|
1156 | grp->sv1 = (SV *)av; |
|
|
1157 | } |
|
|
1158 | |
|
|
1159 | void |
|
|
1160 | errno (aio_req grp, int errorno = errno) |
|
|
1161 | CODE: |
|
|
1162 | grp->errorno = errorno; |
|
|
1163 | |
|
|
1164 | void |
|
|
1165 | limit (aio_req grp, int limit) |
|
|
1166 | CODE: |
|
|
1167 | eio_grp_limit (grp, limit); |
|
|
1168 | |
|
|
1169 | void |
|
|
1170 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1171 | CODE: |
|
|
1172 | { |
|
|
1173 | SvREFCNT_dec (grp->sv2); |
|
|
1174 | grp->sv2 = newSVsv (callback); |
|
|
1175 | grp->feed = aio_grp_feed; |
|
|
1176 | |
|
|
1177 | if (grp->int2 <= 0) |
|
|
1178 | grp->int2 = 2; |
|
|
1179 | |
|
|
1180 | eio_grp_limit (grp, grp->int2); |
|
|
1181 | } |
|
|
1182 | |