1 | #define _REENTRANT 1 |
1 | #include "libeio/xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
9 | #include <stddef.h> |
9 | |
10 | #include <stdlib.h> |
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11 | #include <errno.h> |
10 | #include <sys/types.h> |
12 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
12 | |
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13 | #include <unistd.h> |
14 | #include <limits.h> |
14 | #include <fcntl.h> |
15 | #include <fcntl.h> |
15 | #include <signal.h> |
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16 | #include <sched.h> |
16 | #include <sched.h> |
17 | |
17 | |
18 | #include <pthread.h> |
18 | #ifdef _WIN32 |
19 | |
19 | |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | # define EIO_STRUCT_DIRENT Direntry_t |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | # undef malloc |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | # undef free |
23 | |
23 | |
24 | #if __ia64 |
24 | // perl overrides all those nice win32 functions |
25 | # define STACKSIZE 65536 |
25 | # undef open |
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26 | # undef read |
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27 | # undef write |
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28 | # undef send |
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29 | # undef recv |
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30 | # undef stat |
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31 | # undef fstat |
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32 | # define lstat stat |
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33 | # undef truncate |
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34 | # undef ftruncate |
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35 | # undef open |
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36 | # undef close |
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37 | # undef unlink |
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38 | # undef rmdir |
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39 | # undef rename |
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40 | # undef lseek |
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41 | |
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42 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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43 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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44 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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45 | # define symlink(a,b) (errno = ENOSYS, -1) |
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46 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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47 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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48 | # define truncate(a,b) (errno = ENOSYS, -1) |
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49 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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50 | # define fsync(fd) _commit (fd) |
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51 | # define opendir(fd) (errno = ENOSYS, 0) |
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52 | # define readdir(fd) (errno = ENOSYS, -1) |
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53 | # define closedir(fd) (errno = ENOSYS, -1) |
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54 | # define mkdir(a,b) mkdir (a) |
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55 | |
26 | #else |
56 | #else |
27 | # define STACKSIZE 4096 |
57 | |
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58 | # include <sys/time.h> |
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59 | # include <sys/select.h> |
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60 | # include <unistd.h> |
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61 | # include <utime.h> |
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62 | # include <signal.h> |
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63 | # define EIO_STRUCT_DIRENT struct dirent |
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64 | |
28 | #endif |
65 | #endif |
29 | |
66 | |
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67 | #define EIO_STRUCT_STAT Stat_t |
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68 | |
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69 | /* use NV for 32 bit perls as it allows larger offsets */ |
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70 | #if IVSIZE >= 8 |
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71 | # define SvVAL64 SvIV |
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72 | #else |
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73 | # define SvVAL64 SvNV |
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74 | #endif |
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75 | |
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76 | static HV *stash; |
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77 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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78 | |
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79 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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80 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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81 | |
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82 | #define EIO_COMMON \ |
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83 | SV *callback; \ |
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84 | SV *sv1, *sv2; \ |
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85 | STRLEN stroffset; \ |
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86 | SV *self |
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87 | |
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88 | #include "libeio/eio.h" |
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89 | |
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90 | static int req_invoke (eio_req *req); |
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91 | #define EIO_FINISH(req) req_invoke (req) |
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92 | static void aio_grp_feed (eio_req *grp); |
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93 | #define EIO_FEED(req) aio_grp_feed (req) |
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94 | static void req_destroy (eio_req *grp); |
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95 | #define EIO_DESTROY(req) req_destroy (req) |
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96 | |
30 | enum { |
97 | enum { |
31 | REQ_QUIT, |
98 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
32 | REQ_OPEN, REQ_CLOSE, |
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33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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35 | REQ_FSYNC, REQ_FDATASYNC, |
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36 | REQ_UNLINK, REQ_RMDIR, |
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37 | REQ_SYMLINK, |
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38 | }; |
99 | }; |
39 | |
100 | |
40 | typedef struct aio_cb { |
101 | #include "libeio/eio.c" |
41 | struct aio_cb *volatile next; |
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42 | |
102 | |
43 | int type; |
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44 | |
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45 | int fd; |
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46 | off_t offset; |
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47 | size_t length; |
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48 | ssize_t result; |
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49 | mode_t mode; /* open */ |
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50 | int errorno; |
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51 | SV *data, *callback, *fh; |
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52 | void *dataptr, *data2ptr; |
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53 | STRLEN dataoffset; |
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54 | |
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55 | Stat_t *statdata; |
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56 | } aio_cb; |
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57 | |
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58 | typedef aio_cb *aio_req; |
103 | typedef eio_req *aio_req; |
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104 | typedef eio_req *aio_req_ornot; |
59 | |
105 | |
60 | static int started; |
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61 | static volatile int nreqs; |
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62 | static int max_outstanding = 1<<30; |
106 | static int max_outstanding = 0; |
63 | static int respipe [2]; |
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64 | |
107 | |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
108 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
66 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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67 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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68 | |
109 | |
69 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
110 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
70 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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71 | |
111 | |
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112 | static void req_destroy (aio_req req); |
72 | static void free_req (aio_req req) |
113 | static void req_cancel (aio_req req); |
73 | { |
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74 | if (req->data) |
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75 | SvREFCNT_dec (req->data); |
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76 | |
114 | |
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115 | static void want_poll (void) |
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116 | { |
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117 | /* write a dummy byte to the pipe so fh becomes ready */ |
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118 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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119 | } |
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120 | |
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121 | static void done_poll (void) |
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122 | { |
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123 | /* read any signals sent by the worker threads */ |
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124 | char buf [4]; |
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125 | while (respipe_read (respipe [0], buf, 4) == 4) |
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126 | ; |
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127 | } |
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128 | |
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129 | /* must be called at most once */ |
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130 | static SV *req_sv (aio_req req, const char *klass) |
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131 | { |
77 | if (req->fh) |
132 | if (!req->self) |
78 | SvREFCNT_dec (req->fh); |
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79 | |
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80 | if (req->statdata) |
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81 | Safefree (req->statdata); |
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82 | |
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83 | if (req->callback) |
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84 | SvREFCNT_dec (req->callback); |
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85 | |
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86 | Safefree (req); |
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87 | } |
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88 | |
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89 | static void |
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90 | poll_wait () |
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91 | { |
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92 | if (nreqs && !ress) |
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93 | { |
133 | { |
94 | fd_set rfd; |
134 | req->self = (SV *)newHV (); |
95 | FD_ZERO(&rfd); |
135 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
96 | FD_SET(respipe [0], &rfd); |
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97 | |
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98 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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99 | } |
136 | } |
100 | } |
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101 | |
137 | |
102 | static int |
138 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
103 | poll_cb () |
139 | } |
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140 | |
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141 | static aio_req SvAIO_REQ (SV *sv) |
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142 | { |
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143 | MAGIC *mg; |
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144 | |
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145 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
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146 | croak ("object of class " AIO_REQ_KLASS " expected"); |
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147 | |
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148 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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149 | |
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150 | return mg ? (aio_req)mg->mg_ptr : 0; |
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151 | } |
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152 | |
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153 | static void aio_grp_feed (aio_req grp) |
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154 | { |
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155 | if (grp->sv2 && SvOK (grp->sv2)) |
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156 | { |
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157 | dSP; |
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158 | |
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159 | ENTER; |
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160 | SAVETMPS; |
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161 | PUSHMARK (SP); |
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162 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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163 | PUTBACK; |
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164 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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165 | SPAGAIN; |
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166 | FREETMPS; |
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167 | LEAVE; |
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168 | } |
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169 | } |
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170 | |
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171 | static int req_invoke (eio_req *req) |
104 | { |
172 | { |
105 | dSP; |
173 | dSP; |
106 | int count = 0; |
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107 | int do_croak = 0; |
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108 | aio_req req; |
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109 | |
174 | |
110 | for (;;) |
175 | if (req->flags & FLAG_SV2_RO_OFF) |
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176 | SvREADONLY_off (req->sv2); |
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177 | |
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178 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
111 | { |
179 | { |
112 | pthread_mutex_lock (&reslock); |
180 | ENTER; |
113 | req = ress; |
181 | SAVETMPS; |
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182 | PUSHMARK (SP); |
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183 | EXTEND (SP, 1); |
114 | |
184 | |
115 | if (req) |
185 | switch (req->type) |
116 | { |
186 | { |
117 | ress = req->next; |
187 | case EIO_READDIR: |
118 | |
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119 | if (!ress) |
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120 | { |
188 | { |
121 | rese = 0; |
189 | SV *rv = &PL_sv_undef; |
122 | |
190 | |
123 | /* read any signals sent by the worker threads */ |
191 | if (req->result >= 0) |
124 | char buf [32]; |
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125 | while (read (respipe [0], buf, 32) == 32) |
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126 | ; |
192 | { |
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193 | int i; |
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194 | char *buf = req->ptr2; |
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195 | AV *av = newAV (); |
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196 | |
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197 | av_extend (av, req->result - 1); |
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198 | |
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199 | for (i = 0; i < req->result; ++i) |
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200 | { |
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201 | SV *sv = newSVpv (buf, 0); |
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202 | |
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203 | av_store (av, i, sv); |
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204 | buf += SvCUR (sv) + 1; |
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205 | } |
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206 | |
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207 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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208 | } |
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209 | |
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210 | PUSHs (rv); |
127 | } |
211 | } |
128 | } |
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129 | |
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130 | pthread_mutex_unlock (&reslock); |
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131 | |
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132 | if (!req) |
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133 | break; |
212 | break; |
134 | |
213 | |
135 | nreqs--; |
214 | case EIO_OPEN: |
136 | |
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137 | if (req->type == REQ_QUIT) |
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138 | started--; |
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139 | else |
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140 | { |
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141 | int errorno = errno; |
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142 | errno = req->errorno; |
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143 | |
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144 | if (req->type == REQ_READ) |
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145 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
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146 | |
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147 | if (req->statdata) |
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148 | { |
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149 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
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150 | PL_laststatval = req->result; |
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151 | PL_statcache = *(req->statdata); |
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152 | } |
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153 | |
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154 | ENTER; |
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155 | PUSHMARK (SP); |
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156 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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157 | |
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158 | if (req->type == REQ_OPEN) |
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159 | { |
215 | { |
160 | /* convert fd to fh */ |
216 | /* convert fd to fh */ |
161 | SV *fh; |
217 | SV *fh = &PL_sv_undef; |
162 | |
218 | |
163 | PUTBACK; |
219 | if (req->result >= 0) |
164 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
220 | { |
165 | SPAGAIN; |
221 | GV *gv = (GV *)sv_newmortal (); |
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222 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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223 | char sym [64]; |
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224 | int symlen; |
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225 | |
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226 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
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227 | gv_init (gv, stash, sym, symlen, 0); |
166 | |
228 | |
167 | fh = SvREFCNT_inc (POPs); |
229 | symlen = snprintf ( |
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230 | sym, |
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231 | sizeof (sym), |
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232 | "%s&=%d", |
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233 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
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234 | req->result |
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235 | ); |
168 | |
236 | |
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237 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
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238 | fh = (SV *)gv; |
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239 | } |
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240 | |
169 | PUSHMARK (SP); |
241 | PUSHs (fh); |
170 | XPUSHs (sv_2mortal (fh)); |
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171 | } |
242 | } |
172 | |
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173 | if (SvOK (req->callback)) |
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174 | { |
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175 | PUTBACK; |
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176 | call_sv (req->callback, G_VOID | G_EVAL); |
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177 | SPAGAIN; |
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178 | |
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179 | if (SvTRUE (ERRSV)) |
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180 | { |
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181 | free_req (req); |
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182 | croak (0); |
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183 | } |
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184 | } |
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185 | |
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186 | LEAVE; |
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187 | |
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188 | errno = errorno; |
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189 | count++; |
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190 | } |
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191 | |
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192 | free_req (req); |
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193 | } |
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194 | |
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195 | return count; |
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196 | } |
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197 | |
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198 | static void *aio_proc(void *arg); |
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199 | |
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200 | static void |
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201 | start_thread (void) |
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202 | { |
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203 | sigset_t fullsigset, oldsigset; |
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204 | pthread_t tid; |
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205 | pthread_attr_t attr; |
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206 | |
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207 | pthread_attr_init (&attr); |
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208 | pthread_attr_setstacksize (&attr, STACKSIZE); |
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209 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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210 | |
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211 | sigfillset (&fullsigset); |
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212 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
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213 | |
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214 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
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215 | started++; |
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216 | |
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217 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
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218 | } |
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219 | |
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220 | static void |
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221 | send_req (aio_req req) |
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222 | { |
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223 | nreqs++; |
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224 | |
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225 | pthread_mutex_lock (&reqlock); |
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226 | |
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227 | req->next = 0; |
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228 | |
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229 | if (reqe) |
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230 | { |
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231 | reqe->next = req; |
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232 | reqe = req; |
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233 | } |
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234 | else |
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235 | reqe = reqs = req; |
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236 | |
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237 | pthread_cond_signal (&reqwait); |
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238 | pthread_mutex_unlock (&reqlock); |
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239 | |
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240 | if (nreqs > max_outstanding) |
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241 | for (;;) |
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242 | { |
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243 | poll_cb (); |
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244 | |
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245 | if (nreqs <= max_outstanding) |
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246 | break; |
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247 | |
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248 | poll_wait (); |
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249 | } |
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250 | } |
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251 | |
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252 | static void |
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253 | end_thread (void) |
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254 | { |
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255 | aio_req req; |
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256 | Newz (0, req, 1, aio_cb); |
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257 | req->type = REQ_QUIT; |
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258 | |
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259 | send_req (req); |
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260 | } |
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261 | |
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262 | static void min_parallel (int nthreads) |
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263 | { |
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264 | while (nthreads > started) |
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265 | start_thread (); |
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266 | } |
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267 | |
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268 | static void max_parallel (int nthreads) |
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269 | { |
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270 | int cur = started; |
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271 | |
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272 | while (cur > nthreads) |
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273 | { |
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274 | end_thread (); |
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275 | cur--; |
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276 | } |
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277 | |
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278 | while (started > nthreads) |
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279 | { |
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280 | poll_wait (); |
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281 | poll_cb (); |
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282 | } |
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283 | } |
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284 | |
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285 | static void create_pipe () |
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286 | { |
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287 | if (pipe (respipe)) |
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288 | croak ("unable to initialize result pipe"); |
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289 | |
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290 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
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291 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
292 | |
|
|
293 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
294 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
295 | } |
|
|
296 | |
|
|
297 | static void atfork_prepare (void) |
|
|
298 | { |
|
|
299 | for (;;) { |
|
|
300 | |
|
|
301 | for (;;) |
|
|
302 | { |
|
|
303 | poll_cb (); |
|
|
304 | |
|
|
305 | if (!nreqs) |
|
|
306 | break; |
|
|
307 | |
|
|
308 | poll_wait (); |
|
|
309 | } |
|
|
310 | |
|
|
311 | pthread_mutex_lock (&reqlock); |
|
|
312 | |
|
|
313 | if (!nreqs) |
|
|
314 | break; |
|
|
315 | |
|
|
316 | pthread_mutex_unlock (&reqlock); |
|
|
317 | } |
|
|
318 | |
|
|
319 | pthread_mutex_lock (&reslock); |
|
|
320 | |
|
|
321 | assert (!nreqs && !reqs && !ress); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static void atfork_parent (void) |
|
|
325 | { |
|
|
326 | pthread_mutex_unlock (&reslock); |
|
|
327 | pthread_mutex_unlock (&reqlock); |
|
|
328 | } |
|
|
329 | |
|
|
330 | static void atfork_child (void) |
|
|
331 | { |
|
|
332 | int restart = started; |
|
|
333 | started = 0; |
|
|
334 | |
|
|
335 | atfork_parent (); |
|
|
336 | |
|
|
337 | min_parallel (restart); |
|
|
338 | } |
|
|
339 | |
|
|
340 | /*****************************************************************************/ |
|
|
341 | /* work around various missing functions */ |
|
|
342 | |
|
|
343 | #if !HAVE_PREADWRITE |
|
|
344 | # define pread aio_pread |
|
|
345 | # define pwrite aio_pwrite |
|
|
346 | |
|
|
347 | /* |
|
|
348 | * make our pread/pwrite safe against themselves, but not against |
|
|
349 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
350 | * but that's your problem, not mine. |
|
|
351 | */ |
|
|
352 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
|
|
353 | |
|
|
354 | static ssize_t |
|
|
355 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
356 | { |
|
|
357 | ssize_t res; |
|
|
358 | off_t ooffset; |
|
|
359 | |
|
|
360 | pthread_mutex_lock (&iolock); |
|
|
361 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
362 | lseek (fd, offset, SEEK_SET); |
|
|
363 | res = read (fd, buf, count); |
|
|
364 | lseek (fd, ooffset, SEEK_SET); |
|
|
365 | pthread_mutex_unlock (&iolock); |
|
|
366 | |
|
|
367 | return res; |
|
|
368 | } |
|
|
369 | |
|
|
370 | static ssize_t |
|
|
371 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
372 | { |
|
|
373 | ssize_t res; |
|
|
374 | off_t ooffset; |
|
|
375 | |
|
|
376 | pthread_mutex_lock (&iolock); |
|
|
377 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
378 | lseek (fd, offset, SEEK_SET); |
|
|
379 | res = write (fd, buf, count); |
|
|
380 | lseek (fd, offset, SEEK_SET); |
|
|
381 | pthread_mutex_unlock (&iolock); |
|
|
382 | |
|
|
383 | return res; |
|
|
384 | } |
|
|
385 | #endif |
|
|
386 | |
|
|
387 | #if !HAVE_FDATASYNC |
|
|
388 | # define fdatasync fsync |
|
|
389 | #endif |
|
|
390 | |
|
|
391 | #if !HAVE_READAHEAD |
|
|
392 | # define readahead aio_readahead |
|
|
393 | |
|
|
394 | static char readahead_buf[4096]; |
|
|
395 | |
|
|
396 | static ssize_t |
|
|
397 | readahead (int fd, off_t offset, size_t count) |
|
|
398 | { |
|
|
399 | while (count > 0) |
|
|
400 | { |
|
|
401 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
402 | |
|
|
403 | pread (fd, readahead_buf, len, offset); |
|
|
404 | offset += len; |
|
|
405 | count -= len; |
|
|
406 | } |
|
|
407 | |
|
|
408 | errno = 0; |
|
|
409 | } |
|
|
410 | #endif |
|
|
411 | |
|
|
412 | /*****************************************************************************/ |
|
|
413 | |
|
|
414 | static void * |
|
|
415 | aio_proc (void *thr_arg) |
|
|
416 | { |
|
|
417 | aio_req req; |
|
|
418 | int type; |
|
|
419 | |
|
|
420 | do |
|
|
421 | { |
|
|
422 | pthread_mutex_lock (&reqlock); |
|
|
423 | |
|
|
424 | for (;;) |
|
|
425 | { |
|
|
426 | req = reqs; |
|
|
427 | |
|
|
428 | if (reqs) |
|
|
429 | { |
|
|
430 | reqs = reqs->next; |
|
|
431 | if (!reqs) reqe = 0; |
|
|
432 | } |
|
|
433 | |
|
|
434 | if (req) |
|
|
435 | break; |
243 | break; |
436 | |
244 | |
437 | pthread_cond_wait (&reqwait, &reqlock); |
245 | case EIO_GROUP: |
438 | } |
246 | req->int1 = 2; /* mark group as finished */ |
439 | |
247 | |
440 | pthread_mutex_unlock (&reqlock); |
248 | if (req->sv1) |
441 | |
|
|
442 | errno = 0; /* strictly unnecessary */ |
|
|
443 | |
|
|
444 | type = req->type; |
|
|
445 | |
|
|
446 | switch (type) |
|
|
447 | { |
249 | { |
448 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
250 | int i; |
449 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
251 | AV *av = (AV *)req->sv1; |
450 | |
252 | |
451 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
253 | EXTEND (SP, AvFILL (av) + 1); |
452 | |
254 | for (i = 0; i <= AvFILL (av); ++i) |
453 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
255 | PUSHs (*av_fetch (av, i, 0)); |
454 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
256 | } |
455 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
456 | |
|
|
457 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
458 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
459 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
460 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
461 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
462 | |
|
|
463 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
464 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
465 | |
|
|
466 | case REQ_QUIT: |
|
|
467 | break; |
257 | break; |
468 | |
258 | |
|
|
259 | case EIO_NOP: |
|
|
260 | case EIO_BUSY: |
|
|
261 | break; |
|
|
262 | |
|
|
263 | case EIO_READLINK: |
|
|
264 | if (req->result > 0) |
|
|
265 | { |
|
|
266 | SvCUR_set (req->sv2, req->result); |
|
|
267 | *SvEND (req->sv2) = 0; |
|
|
268 | PUSHs (req->sv2); |
|
|
269 | } |
|
|
270 | break; |
|
|
271 | |
|
|
272 | case EIO_STAT: |
|
|
273 | case EIO_LSTAT: |
|
|
274 | case EIO_FSTAT: |
|
|
275 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
276 | PL_laststatval = req->result; |
|
|
277 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
278 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
279 | break; |
|
|
280 | |
|
|
281 | case EIO_READ: |
|
|
282 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
283 | *SvEND (req->sv2) = 0; |
|
|
284 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
285 | break; |
|
|
286 | |
|
|
287 | case EIO_DUP2: |
|
|
288 | if (req->result > 0) |
|
|
289 | req->result = 0; |
|
|
290 | /* FALLTHROUGH */ |
|
|
291 | |
469 | default: |
292 | default: |
470 | req->result = ENOSYS; |
293 | PUSHs (sv_2mortal (newSViv (req->result))); |
471 | break; |
294 | break; |
472 | } |
295 | } |
473 | |
296 | |
474 | req->errorno = errno; |
297 | errno = req->errorno; |
475 | |
298 | |
476 | pthread_mutex_lock (&reslock); |
299 | PUTBACK; |
|
|
300 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
301 | SPAGAIN; |
477 | |
302 | |
478 | req->next = 0; |
303 | FREETMPS; |
|
|
304 | LEAVE; |
479 | |
305 | |
480 | if (rese) |
306 | PUTBACK; |
481 | { |
|
|
482 | rese->next = req; |
|
|
483 | rese = req; |
|
|
484 | } |
|
|
485 | else |
|
|
486 | { |
|
|
487 | rese = ress = req; |
|
|
488 | |
|
|
489 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
490 | write (respipe [1], &respipe, 1); |
|
|
491 | } |
|
|
492 | |
|
|
493 | pthread_mutex_unlock (&reslock); |
|
|
494 | } |
307 | } |
495 | while (type != REQ_QUIT); |
|
|
496 | |
308 | |
|
|
309 | return !!SvTRUE (ERRSV); |
|
|
310 | } |
|
|
311 | |
|
|
312 | static void req_destroy (aio_req req) |
|
|
313 | { |
|
|
314 | if (req->self) |
|
|
315 | { |
|
|
316 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
317 | SvREFCNT_dec (req->self); |
|
|
318 | } |
|
|
319 | |
|
|
320 | SvREFCNT_dec (req->sv1); |
|
|
321 | SvREFCNT_dec (req->sv2); |
|
|
322 | SvREFCNT_dec (req->callback); |
|
|
323 | |
|
|
324 | Safefree (req); |
|
|
325 | } |
|
|
326 | |
|
|
327 | static void req_cancel_subs (aio_req grp) |
|
|
328 | { |
|
|
329 | aio_req sub; |
|
|
330 | |
|
|
331 | if (grp->type != EIO_GROUP) |
|
|
332 | return; |
|
|
333 | |
|
|
334 | SvREFCNT_dec (grp->sv2); |
|
|
335 | grp->sv2 = 0; |
|
|
336 | |
|
|
337 | eio_grp_cancel (grp); |
|
|
338 | } |
|
|
339 | |
|
|
340 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
341 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
342 | #else |
|
|
343 | # define TO_SOCKET(x) (x) |
|
|
344 | #endif |
|
|
345 | |
|
|
346 | static void |
|
|
347 | create_respipe (void) |
|
|
348 | { |
|
|
349 | int old_readfd = respipe [0]; |
|
|
350 | |
|
|
351 | if (respipe [1] >= 0) |
|
|
352 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
353 | |
|
|
354 | #ifdef _WIN32 |
|
|
355 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
356 | #else |
|
|
357 | if (pipe (respipe)) |
|
|
358 | #endif |
|
|
359 | croak ("unable to initialize result pipe"); |
|
|
360 | |
|
|
361 | if (old_readfd >= 0) |
|
|
362 | { |
|
|
363 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
364 | croak ("unable to initialize result pipe(2)"); |
|
|
365 | |
|
|
366 | respipe_close (respipe [0]); |
|
|
367 | respipe [0] = old_readfd; |
|
|
368 | } |
|
|
369 | |
|
|
370 | #ifdef _WIN32 |
|
|
371 | int arg = 1; |
|
|
372 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
373 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
374 | #else |
|
|
375 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
376 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
377 | #endif |
|
|
378 | croak ("unable to initialize result pipe(3)"); |
|
|
379 | |
|
|
380 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
381 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
382 | } |
|
|
383 | |
|
|
384 | static void poll_wait (void) |
|
|
385 | { |
|
|
386 | fd_set rfd; |
|
|
387 | |
|
|
388 | while (eio_nreqs ()) |
|
|
389 | { |
|
|
390 | int size; |
|
|
391 | |
|
|
392 | X_LOCK (reslock); |
|
|
393 | size = res_queue.size; |
|
|
394 | X_UNLOCK (reslock); |
|
|
395 | |
|
|
396 | if (size) |
|
|
397 | return; |
|
|
398 | |
|
|
399 | maybe_start_thread (); |
|
|
400 | |
|
|
401 | FD_ZERO (&rfd); |
|
|
402 | FD_SET (respipe [0], &rfd); |
|
|
403 | |
|
|
404 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
405 | } |
|
|
406 | } |
|
|
407 | |
|
|
408 | static int poll_cb (void) |
|
|
409 | { |
|
|
410 | int res; |
|
|
411 | |
|
|
412 | do |
|
|
413 | { |
|
|
414 | res = eio_poll (); |
|
|
415 | |
|
|
416 | if (res > 0) |
|
|
417 | croak (0); |
|
|
418 | } |
|
|
419 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
|
|
420 | |
497 | return 0; |
421 | return res; |
|
|
422 | } |
|
|
423 | |
|
|
424 | static void atfork_child (void) |
|
|
425 | { |
|
|
426 | create_respipe (); |
498 | } |
427 | } |
499 | |
428 | |
500 | #define dREQ \ |
429 | #define dREQ \ |
501 | aio_req req; \ |
430 | aio_req req; \ |
|
|
431 | int req_pri = next_pri; \ |
|
|
432 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
502 | \ |
433 | \ |
503 | if (SvOK (callback) && !SvROK (callback)) \ |
434 | if (SvOK (callback) && !SvROK (callback)) \ |
504 | croak ("clalback must be undef or of reference type"); \ |
435 | croak ("callback must be undef or of reference type"); \ |
505 | \ |
436 | \ |
506 | Newz (0, req, 1, aio_cb); \ |
437 | Newz (0, req, 1, eio_req); \ |
507 | if (!req) \ |
438 | if (!req) \ |
508 | croak ("out of memory during aio_req allocation"); \ |
439 | croak ("out of memory during eio_req allocation"); \ |
509 | \ |
440 | \ |
510 | req->callback = newSVsv (callback); |
441 | req->callback = newSVsv (callback); \ |
|
|
442 | req->pri = req_pri |
|
|
443 | |
|
|
444 | #define REQ_SEND \ |
|
|
445 | eio_submit (req); \ |
|
|
446 | \ |
|
|
447 | if (GIMME_V != G_VOID) \ |
|
|
448 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
511 | |
449 | |
512 | MODULE = IO::AIO PACKAGE = IO::AIO |
450 | MODULE = IO::AIO PACKAGE = IO::AIO |
513 | |
451 | |
514 | PROTOTYPES: ENABLE |
452 | PROTOTYPES: ENABLE |
515 | |
453 | |
516 | BOOT: |
454 | BOOT: |
517 | { |
455 | { |
518 | create_pipe (); |
456 | stash = gv_stashpv ("IO::AIO", 1); |
519 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
520 | } |
|
|
521 | |
457 | |
|
|
458 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
459 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
460 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
461 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
462 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
463 | #ifdef _WIN32 |
|
|
464 | X_MUTEX_CHECK (wrklock); |
|
|
465 | X_MUTEX_CHECK (reslock); |
|
|
466 | X_MUTEX_CHECK (reqlock); |
|
|
467 | X_MUTEX_CHECK (reqwait); |
|
|
468 | X_MUTEX_CHECK (preadwritelock); |
|
|
469 | X_MUTEX_CHECK (readdirlock); |
|
|
470 | |
|
|
471 | X_COND_CHECK (reqwait); |
|
|
472 | #else |
|
|
473 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
474 | #endif |
|
|
475 | |
|
|
476 | create_respipe (); |
|
|
477 | |
|
|
478 | if (eio_init (want_poll, done_poll) < 0) |
|
|
479 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
480 | |
|
|
481 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
482 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
483 | } |
|
|
484 | |
522 | void |
485 | void |
523 | min_parallel(nthreads) |
486 | max_poll_reqs (int nreqs) |
524 | int nthreads |
|
|
525 | PROTOTYPE: $ |
487 | PROTOTYPE: $ |
|
|
488 | CODE: |
|
|
489 | eio_set_max_poll_reqs (nreqs); |
526 | |
490 | |
527 | void |
491 | void |
528 | max_parallel(nthreads) |
492 | max_poll_time (double nseconds) |
529 | int nthreads |
|
|
530 | PROTOTYPE: $ |
493 | PROTOTYPE: $ |
531 | |
|
|
532 | int |
|
|
533 | max_outstanding(nreqs) |
|
|
534 | int nreqs |
|
|
535 | PROTOTYPE: $ |
|
|
536 | CODE: |
494 | CODE: |
537 | RETVAL = max_outstanding; |
495 | eio_set_max_poll_time (nseconds); |
|
|
496 | |
|
|
497 | void |
|
|
498 | min_parallel (int nthreads) |
|
|
499 | PROTOTYPE: $ |
|
|
500 | CODE: |
|
|
501 | eio_set_min_parallel (nthreads); |
|
|
502 | |
|
|
503 | void |
|
|
504 | max_parallel (int nthreads) |
|
|
505 | PROTOTYPE: $ |
|
|
506 | CODE: |
|
|
507 | eio_set_max_parallel (nthreads); |
|
|
508 | |
|
|
509 | void |
|
|
510 | max_idle (int nthreads) |
|
|
511 | PROTOTYPE: $ |
|
|
512 | CODE: |
|
|
513 | eio_set_max_idle (nthreads); |
|
|
514 | |
|
|
515 | void |
|
|
516 | max_outstanding (int maxreqs) |
|
|
517 | PROTOTYPE: $ |
|
|
518 | CODE: |
538 | max_outstanding = nreqs; |
519 | max_outstanding = maxreqs; |
539 | |
520 | |
540 | void |
521 | void |
541 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
522 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
542 | SV * pathname |
|
|
543 | int flags |
|
|
544 | int mode |
|
|
545 | SV * callback |
|
|
546 | PROTOTYPE: $$$;$ |
523 | PROTOTYPE: $$$;$ |
547 | CODE: |
524 | PPCODE: |
548 | { |
525 | { |
549 | dREQ; |
526 | dREQ; |
550 | |
527 | |
551 | req->type = REQ_OPEN; |
528 | req->type = EIO_OPEN; |
552 | req->data = newSVsv (pathname); |
529 | req->sv1 = newSVsv (pathname); |
553 | req->dataptr = SvPVbyte_nolen (req->data); |
530 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
554 | req->fd = flags; |
531 | req->int1 = flags; |
555 | req->mode = mode; |
532 | req->int2 = mode; |
556 | |
533 | |
557 | send_req (req); |
534 | REQ_SEND; |
558 | } |
535 | } |
559 | |
536 | |
560 | void |
537 | void |
561 | aio_close(fh,callback=&PL_sv_undef) |
538 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
562 | SV * fh |
|
|
563 | SV * callback |
|
|
564 | PROTOTYPE: $;$ |
539 | PROTOTYPE: $;$ |
565 | ALIAS: |
540 | ALIAS: |
566 | aio_close = REQ_CLOSE |
|
|
567 | aio_fsync = REQ_FSYNC |
541 | aio_fsync = EIO_FSYNC |
568 | aio_fdatasync = REQ_FDATASYNC |
542 | aio_fdatasync = EIO_FDATASYNC |
569 | CODE: |
543 | PPCODE: |
570 | { |
544 | { |
571 | dREQ; |
545 | dREQ; |
572 | |
546 | |
573 | req->type = ix; |
547 | req->type = ix; |
574 | req->fh = newSVsv (fh); |
548 | req->sv1 = newSVsv (fh); |
575 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
549 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
576 | |
550 | |
577 | send_req (req); |
551 | REQ_SEND (req); |
578 | } |
552 | } |
579 | |
553 | |
580 | void |
554 | void |
|
|
555 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
556 | PROTOTYPE: $;$ |
|
|
557 | PPCODE: |
|
|
558 | { |
|
|
559 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
560 | dREQ; |
|
|
561 | |
|
|
562 | if (close_pipe < 0) |
|
|
563 | { |
|
|
564 | int pipefd [2]; |
|
|
565 | |
|
|
566 | if (pipe (pipefd) < 0 |
|
|
567 | || close (pipefd [1]) < 0 |
|
|
568 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
569 | abort (); /*D*/ |
|
|
570 | |
|
|
571 | close_pipe = pipefd [0]; |
|
|
572 | } |
|
|
573 | |
|
|
574 | req->type = EIO_DUP2; |
|
|
575 | req->int1 = close_pipe; |
|
|
576 | req->sv2 = newSVsv (fh); |
|
|
577 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
578 | |
|
|
579 | REQ_SEND (req); |
|
|
580 | } |
|
|
581 | |
|
|
582 | void |
581 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
583 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
582 | SV * fh |
|
|
583 | UV offset |
|
|
584 | IV length |
|
|
585 | SV * data |
|
|
586 | IV dataoffset |
|
|
587 | SV * callback |
|
|
588 | ALIAS: |
584 | ALIAS: |
589 | aio_read = REQ_READ |
585 | aio_read = EIO_READ |
590 | aio_write = REQ_WRITE |
586 | aio_write = EIO_WRITE |
591 | PROTOTYPE: $$$$$;$ |
587 | PROTOTYPE: $$$$$;$ |
592 | CODE: |
588 | PPCODE: |
593 | { |
589 | { |
594 | aio_req req; |
|
|
595 | STRLEN svlen; |
590 | STRLEN svlen; |
596 | char *svptr = SvPVbyte (data, svlen); |
591 | char *svptr = SvPVbyte (data, svlen); |
|
|
592 | UV len = SvUV (length); |
597 | |
593 | |
598 | SvUPGRADE (data, SVt_PV); |
594 | SvUPGRADE (data, SVt_PV); |
599 | SvPOK_on (data); |
595 | SvPOK_on (data); |
600 | |
596 | |
601 | if (dataoffset < 0) |
597 | if (dataoffset < 0) |
602 | dataoffset += svlen; |
598 | dataoffset += svlen; |
603 | |
599 | |
604 | if (dataoffset < 0 || dataoffset > svlen) |
600 | if (dataoffset < 0 || dataoffset > svlen) |
605 | croak ("data offset outside of string"); |
601 | croak ("dataoffset outside of data scalar"); |
606 | |
602 | |
607 | if (ix == REQ_WRITE) |
603 | if (ix == EIO_WRITE) |
608 | { |
604 | { |
609 | /* write: check length and adjust. */ |
605 | /* write: check length and adjust. */ |
610 | if (length < 0 || length + dataoffset > svlen) |
606 | if (!SvOK (length) || len + dataoffset > svlen) |
611 | length = svlen - dataoffset; |
607 | len = svlen - dataoffset; |
612 | } |
608 | } |
613 | else |
609 | else |
614 | { |
610 | { |
615 | /* read: grow scalar as necessary */ |
611 | /* read: grow scalar as necessary */ |
616 | svptr = SvGROW (data, length + dataoffset); |
612 | svptr = SvGROW (data, len + dataoffset + 1); |
617 | } |
613 | } |
618 | |
614 | |
619 | if (length < 0) |
615 | if (len < 0) |
620 | croak ("length must not be negative"); |
616 | croak ("length must not be negative"); |
621 | |
617 | |
622 | { |
618 | { |
623 | dREQ; |
619 | dREQ; |
624 | |
620 | |
625 | req->type = ix; |
621 | req->type = ix; |
626 | req->fh = newSVsv (fh); |
622 | req->sv1 = newSVsv (fh); |
627 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
623 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
628 | : IoOFP (sv_2io (fh))); |
624 | : IoOFP (sv_2io (fh))); |
|
|
625 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
629 | req->offset = offset; |
626 | req->size = len; |
630 | req->length = length; |
|
|
631 | req->data = SvREFCNT_inc (data); |
627 | req->sv2 = SvREFCNT_inc (data); |
632 | req->dataptr = (char *)svptr + dataoffset; |
628 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
629 | req->stroffset = dataoffset; |
633 | |
630 | |
634 | send_req (req); |
631 | if (!SvREADONLY (data)) |
|
|
632 | { |
|
|
633 | SvREADONLY_on (data); |
|
|
634 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
635 | } |
|
|
636 | |
|
|
637 | REQ_SEND; |
635 | } |
638 | } |
636 | } |
639 | } |
637 | |
640 | |
638 | void |
641 | void |
|
|
642 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
643 | PROTOTYPE: $$;$ |
|
|
644 | PPCODE: |
|
|
645 | { |
|
|
646 | SV *data; |
|
|
647 | dREQ; |
|
|
648 | |
|
|
649 | data = newSV (NAME_MAX); |
|
|
650 | SvPOK_on (data); |
|
|
651 | |
|
|
652 | req->type = EIO_READLINK; |
|
|
653 | req->sv1 = newSVsv (path); |
|
|
654 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
655 | req->sv2 = data; |
|
|
656 | req->ptr2 = SvPVbyte_nolen (data); |
|
|
657 | |
|
|
658 | REQ_SEND; |
|
|
659 | } |
|
|
660 | |
|
|
661 | void |
|
|
662 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
|
|
663 | PROTOTYPE: $$$$;$ |
|
|
664 | PPCODE: |
|
|
665 | { |
|
|
666 | dREQ; |
|
|
667 | |
|
|
668 | req->type = EIO_SENDFILE; |
|
|
669 | req->sv1 = newSVsv (out_fh); |
|
|
670 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
671 | req->sv2 = newSVsv (in_fh); |
|
|
672 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
673 | req->offs = SvVAL64 (in_offset); |
|
|
674 | req->size = length; |
|
|
675 | |
|
|
676 | REQ_SEND; |
|
|
677 | } |
|
|
678 | |
|
|
679 | void |
639 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
680 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
640 | SV * fh |
|
|
641 | UV offset |
|
|
642 | IV length |
|
|
643 | SV * callback |
|
|
644 | PROTOTYPE: $$$;$ |
681 | PROTOTYPE: $$$;$ |
645 | CODE: |
682 | PPCODE: |
646 | { |
683 | { |
647 | dREQ; |
684 | dREQ; |
648 | |
685 | |
649 | req->type = REQ_READAHEAD; |
686 | req->type = EIO_READAHEAD; |
650 | req->fh = newSVsv (fh); |
687 | req->sv1 = newSVsv (fh); |
651 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
688 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
652 | req->offset = offset; |
689 | req->offs = SvVAL64 (offset); |
653 | req->length = length; |
690 | req->size = length; |
654 | |
691 | |
655 | send_req (req); |
692 | REQ_SEND; |
656 | } |
693 | } |
657 | |
694 | |
658 | void |
695 | void |
659 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
696 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
660 | SV * fh_or_path |
|
|
661 | SV * callback |
|
|
662 | ALIAS: |
697 | ALIAS: |
663 | aio_stat = REQ_STAT |
698 | aio_stat = EIO_STAT |
664 | aio_lstat = REQ_LSTAT |
699 | aio_lstat = EIO_LSTAT |
665 | CODE: |
700 | PPCODE: |
666 | { |
701 | { |
667 | dREQ; |
702 | dREQ; |
668 | |
703 | |
669 | New (0, req->statdata, 1, Stat_t); |
704 | req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
670 | if (!req->statdata) |
705 | if (!req->ptr2) |
671 | { |
706 | { |
672 | free_req (req); |
707 | req_destroy (req); |
673 | croak ("out of memory during aio_req->statdata allocation"); |
708 | croak ("out of memory during aio_stat statdata allocation"); |
674 | } |
709 | } |
|
|
710 | |
|
|
711 | req->flags |= EIO_FLAG_PTR2_FREE; |
|
|
712 | req->sv1 = newSVsv (fh_or_path); |
675 | |
713 | |
676 | if (SvPOK (fh_or_path)) |
714 | if (SvPOK (fh_or_path)) |
677 | { |
715 | { |
678 | req->type = ix; |
716 | req->type = ix; |
679 | req->data = newSVsv (fh_or_path); |
|
|
680 | req->dataptr = SvPVbyte_nolen (req->data); |
717 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
681 | } |
718 | } |
682 | else |
719 | else |
683 | { |
720 | { |
684 | req->type = REQ_FSTAT; |
721 | req->type = EIO_FSTAT; |
685 | req->fh = newSVsv (fh_or_path); |
|
|
686 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
722 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
723 | } |
|
|
724 | |
|
|
725 | REQ_SEND; |
|
|
726 | } |
|
|
727 | |
|
|
728 | void |
|
|
729 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
730 | PPCODE: |
|
|
731 | { |
|
|
732 | dREQ; |
|
|
733 | |
|
|
734 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
735 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
736 | req->sv1 = newSVsv (fh_or_path); |
|
|
737 | |
|
|
738 | if (SvPOK (fh_or_path)) |
687 | } |
739 | { |
|
|
740 | req->type = EIO_UTIME; |
|
|
741 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
742 | } |
|
|
743 | else |
|
|
744 | { |
|
|
745 | req->type = EIO_FUTIME; |
|
|
746 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
747 | } |
688 | |
748 | |
689 | send_req (req); |
749 | REQ_SEND; |
690 | } |
750 | } |
691 | |
751 | |
692 | void |
752 | void |
|
|
753 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
754 | PPCODE: |
|
|
755 | { |
|
|
756 | dREQ; |
|
|
757 | |
|
|
758 | req->sv1 = newSVsv (fh_or_path); |
|
|
759 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
760 | |
|
|
761 | if (SvPOK (fh_or_path)) |
|
|
762 | { |
|
|
763 | req->type = EIO_TRUNCATE; |
|
|
764 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
765 | } |
|
|
766 | else |
|
|
767 | { |
|
|
768 | req->type = EIO_FTRUNCATE; |
|
|
769 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
770 | } |
|
|
771 | |
|
|
772 | REQ_SEND; |
|
|
773 | } |
|
|
774 | |
|
|
775 | void |
|
|
776 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
777 | ALIAS: |
|
|
778 | aio_chmod = EIO_CHMOD |
|
|
779 | aio_fchmod = EIO_FCHMOD |
|
|
780 | aio_mkdir = EIO_MKDIR |
|
|
781 | PPCODE: |
|
|
782 | { |
|
|
783 | dREQ; |
|
|
784 | |
|
|
785 | req->type = ix; |
|
|
786 | req->int2 = mode; |
|
|
787 | req->sv1 = newSVsv (fh_or_path); |
|
|
788 | |
|
|
789 | if (ix == EIO_FCHMOD) |
|
|
790 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
791 | else |
|
|
792 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
793 | |
|
|
794 | REQ_SEND; |
|
|
795 | } |
|
|
796 | |
|
|
797 | void |
|
|
798 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
799 | PPCODE: |
|
|
800 | { |
|
|
801 | dREQ; |
|
|
802 | |
|
|
803 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
804 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
805 | req->sv1 = newSVsv (fh_or_path); |
|
|
806 | |
|
|
807 | if (SvPOK (fh_or_path)) |
|
|
808 | { |
|
|
809 | req->type = EIO_CHOWN; |
|
|
810 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
811 | } |
|
|
812 | else |
|
|
813 | { |
|
|
814 | req->type = EIO_FCHOWN; |
|
|
815 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
816 | } |
|
|
817 | |
|
|
818 | REQ_SEND; |
|
|
819 | } |
|
|
820 | |
|
|
821 | void |
693 | aio_unlink(pathname,callback=&PL_sv_undef) |
822 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
694 | SV * pathname |
|
|
695 | SV * callback |
|
|
696 | ALIAS: |
823 | ALIAS: |
697 | aio_unlink = REQ_UNLINK |
824 | aio_unlink = EIO_UNLINK |
698 | aio_rmdir = REQ_RMDIR |
825 | aio_rmdir = EIO_RMDIR |
|
|
826 | aio_readdir = EIO_READDIR |
699 | CODE: |
827 | PPCODE: |
700 | { |
828 | { |
701 | dREQ; |
829 | dREQ; |
702 | |
830 | |
703 | req->type = ix; |
831 | req->type = ix; |
704 | req->data = newSVsv (pathname); |
832 | req->sv1 = newSVsv (pathname); |
705 | req->dataptr = SvPVbyte_nolen (req->data); |
833 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
834 | |
|
|
835 | REQ_SEND; |
|
|
836 | } |
|
|
837 | |
|
|
838 | void |
|
|
839 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
840 | ALIAS: |
|
|
841 | aio_link = EIO_LINK |
|
|
842 | aio_symlink = EIO_SYMLINK |
|
|
843 | aio_rename = EIO_RENAME |
|
|
844 | PPCODE: |
|
|
845 | { |
|
|
846 | dREQ; |
706 | |
847 | |
707 | send_req (req); |
848 | req->type = ix; |
708 | } |
849 | req->sv1 = newSVsv (oldpath); |
709 | |
850 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
710 | void |
851 | req->sv2 = newSVsv (newpath); |
711 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
852 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
712 | SV * oldpath |
|
|
713 | SV * newpath |
|
|
714 | SV * callback |
|
|
715 | CODE: |
|
|
716 | { |
|
|
717 | dREQ; |
|
|
718 | |
853 | |
719 | req->type = REQ_SYMLINK; |
854 | REQ_SEND; |
720 | req->fh = newSVsv (oldpath); |
855 | } |
721 | req->data2ptr = SvPVbyte_nolen (req->fh); |
856 | |
722 | req->data = newSVsv (newpath); |
857 | void |
723 | req->dataptr = SvPVbyte_nolen (req->data); |
858 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
859 | PPCODE: |
|
|
860 | { |
|
|
861 | dREQ; |
724 | |
862 | |
725 | send_req (req); |
863 | req->type = EIO_MKNOD; |
|
|
864 | req->sv1 = newSVsv (pathname); |
|
|
865 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
866 | req->int2 = (mode_t)mode; |
|
|
867 | req->offs = dev; |
|
|
868 | |
|
|
869 | REQ_SEND; |
726 | } |
870 | } |
727 | |
871 | |
728 | void |
872 | void |
|
|
873 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
874 | PPCODE: |
|
|
875 | { |
|
|
876 | dREQ; |
|
|
877 | |
|
|
878 | req->type = EIO_BUSY; |
|
|
879 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
880 | |
|
|
881 | REQ_SEND; |
|
|
882 | } |
|
|
883 | |
|
|
884 | void |
|
|
885 | aio_group (SV *callback=&PL_sv_undef) |
|
|
886 | PROTOTYPE: ;$ |
|
|
887 | PPCODE: |
|
|
888 | { |
|
|
889 | dREQ; |
|
|
890 | |
|
|
891 | req->type = EIO_GROUP; |
|
|
892 | |
|
|
893 | eio_submit (req); |
|
|
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
895 | } |
|
|
896 | |
|
|
897 | void |
|
|
898 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
899 | ALIAS: |
|
|
900 | aio_nop = EIO_NOP |
|
|
901 | aio_sync = EIO_SYNC |
|
|
902 | PPCODE: |
|
|
903 | { |
|
|
904 | dREQ; |
|
|
905 | |
|
|
906 | req->type = ix; |
|
|
907 | |
|
|
908 | REQ_SEND; |
|
|
909 | } |
|
|
910 | |
|
|
911 | int |
|
|
912 | aioreq_pri (int pri = 0) |
|
|
913 | PROTOTYPE: ;$ |
|
|
914 | CODE: |
|
|
915 | RETVAL = next_pri - EIO_PRI_BIAS; |
|
|
916 | if (items > 0) |
|
|
917 | { |
|
|
918 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
919 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
920 | next_pri = pri + EIO_PRI_BIAS; |
|
|
921 | } |
|
|
922 | OUTPUT: |
|
|
923 | RETVAL |
|
|
924 | |
|
|
925 | void |
|
|
926 | aioreq_nice (int nice = 0) |
|
|
927 | CODE: |
|
|
928 | nice = next_pri - nice; |
|
|
929 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
930 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
931 | next_pri = nice + EIO_PRI_BIAS; |
|
|
932 | |
|
|
933 | void |
729 | flush() |
934 | flush () |
730 | PROTOTYPE: |
935 | PROTOTYPE: |
731 | CODE: |
936 | CODE: |
732 | while (nreqs) |
937 | while (eio_nreqs ()) |
733 | { |
938 | { |
734 | poll_wait (); |
939 | poll_wait (); |
735 | poll_cb (); |
940 | poll_cb (); |
736 | } |
941 | } |
737 | |
942 | |
738 | void |
943 | int |
739 | poll() |
944 | poll() |
740 | PROTOTYPE: |
945 | PROTOTYPE: |
741 | CODE: |
946 | CODE: |
742 | if (nreqs) |
|
|
743 | { |
|
|
744 | poll_wait (); |
947 | poll_wait (); |
745 | poll_cb (); |
948 | RETVAL = poll_cb (); |
746 | } |
949 | OUTPUT: |
|
|
950 | RETVAL |
747 | |
951 | |
748 | int |
952 | int |
749 | poll_fileno() |
953 | poll_fileno() |
750 | PROTOTYPE: |
954 | PROTOTYPE: |
751 | CODE: |
955 | CODE: |
… | |
… | |
763 | |
967 | |
764 | void |
968 | void |
765 | poll_wait() |
969 | poll_wait() |
766 | PROTOTYPE: |
970 | PROTOTYPE: |
767 | CODE: |
971 | CODE: |
768 | if (nreqs) |
|
|
769 | poll_wait (); |
972 | poll_wait (); |
770 | |
973 | |
771 | int |
974 | int |
772 | nreqs() |
975 | nreqs() |
773 | PROTOTYPE: |
976 | PROTOTYPE: |
774 | CODE: |
977 | CODE: |
775 | RETVAL = nreqs; |
978 | RETVAL = eio_nreqs (); |
776 | OUTPUT: |
979 | OUTPUT: |
777 | RETVAL |
980 | RETVAL |
778 | |
981 | |
|
|
982 | int |
|
|
983 | nready() |
|
|
984 | PROTOTYPE: |
|
|
985 | CODE: |
|
|
986 | RETVAL = eio_nready (); |
|
|
987 | OUTPUT: |
|
|
988 | RETVAL |
|
|
989 | |
|
|
990 | int |
|
|
991 | npending() |
|
|
992 | PROTOTYPE: |
|
|
993 | CODE: |
|
|
994 | RETVAL = eio_npending (); |
|
|
995 | OUTPUT: |
|
|
996 | RETVAL |
|
|
997 | |
|
|
998 | int |
|
|
999 | nthreads() |
|
|
1000 | PROTOTYPE: |
|
|
1001 | CODE: |
|
|
1002 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
|
|
1003 | RETVAL = started; |
|
|
1004 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1005 | OUTPUT: |
|
|
1006 | RETVAL |
|
|
1007 | |
|
|
1008 | PROTOTYPES: DISABLE |
|
|
1009 | |
|
|
1010 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1011 | |
|
|
1012 | void |
|
|
1013 | cancel (aio_req_ornot req) |
|
|
1014 | CODE: |
|
|
1015 | eio_cancel (req); |
|
|
1016 | |
|
|
1017 | void |
|
|
1018 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1019 | CODE: |
|
|
1020 | SvREFCNT_dec (req->callback); |
|
|
1021 | req->callback = newSVsv (callback); |
|
|
1022 | |
|
|
1023 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1024 | |
|
|
1025 | void |
|
|
1026 | add (aio_req grp, ...) |
|
|
1027 | PPCODE: |
|
|
1028 | { |
|
|
1029 | int i; |
|
|
1030 | |
|
|
1031 | if (grp->int1 == 2) |
|
|
1032 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1033 | |
|
|
1034 | for (i = 1; i < items; ++i ) |
|
|
1035 | { |
|
|
1036 | aio_req req; |
|
|
1037 | |
|
|
1038 | if (GIMME_V != G_VOID) |
|
|
1039 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1040 | |
|
|
1041 | req = SvAIO_REQ (ST (i)); |
|
|
1042 | |
|
|
1043 | if (req) |
|
|
1044 | eio_grp_add (grp, req); |
|
|
1045 | } |
|
|
1046 | } |
|
|
1047 | |
|
|
1048 | void |
|
|
1049 | cancel_subs (aio_req_ornot req) |
|
|
1050 | CODE: |
|
|
1051 | req_cancel_subs (req); |
|
|
1052 | |
|
|
1053 | void |
|
|
1054 | result (aio_req grp, ...) |
|
|
1055 | CODE: |
|
|
1056 | { |
|
|
1057 | int i; |
|
|
1058 | AV *av; |
|
|
1059 | |
|
|
1060 | grp->errorno = errno; |
|
|
1061 | |
|
|
1062 | av = newAV (); |
|
|
1063 | |
|
|
1064 | for (i = 1; i < items; ++i ) |
|
|
1065 | av_push (av, newSVsv (ST (i))); |
|
|
1066 | |
|
|
1067 | SvREFCNT_dec (grp->sv1); |
|
|
1068 | grp->sv1 = (SV *)av; |
|
|
1069 | } |
|
|
1070 | |
|
|
1071 | void |
|
|
1072 | errno (aio_req grp, int errorno = errno) |
|
|
1073 | CODE: |
|
|
1074 | grp->errorno = errorno; |
|
|
1075 | |
|
|
1076 | void |
|
|
1077 | limit (aio_req grp, int limit) |
|
|
1078 | CODE: |
|
|
1079 | eio_grp_limit (grp, limit); |
|
|
1080 | |
|
|
1081 | void |
|
|
1082 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1083 | CODE: |
|
|
1084 | { |
|
|
1085 | SvREFCNT_dec (grp->sv2); |
|
|
1086 | grp->sv2 = newSVsv (callback); |
|
|
1087 | |
|
|
1088 | if (grp->int2 <= 0) |
|
|
1089 | grp->int2 = 2; |
|
|
1090 | |
|
|
1091 | eio_grp_limit (grp, grp->int2); |
|
|
1092 | } |
|
|
1093 | |