1 | #define PERL_NO_GET_CONTEXT |
1 | #define _XOPEN_SOURCE 500 |
2 | |
2 | |
3 | #include "EXTERN.h" |
3 | #include "EXTERN.h" |
4 | #include "perl.h" |
4 | #include "perl.h" |
5 | #include "XSUB.h" |
5 | #include "XSUB.h" |
6 | |
6 | |
7 | #include <sys/types.h> |
7 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
8 | #include <sys/stat.h> |
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9 | |
9 | #include <unistd.h> |
10 | #include <unistd.h> |
10 | #include <fcntl.h> |
11 | #include <fcntl.h> |
11 | #include <signal.h> |
12 | #include <signal.h> |
12 | #include <sched.h> |
13 | #include <sched.h> |
13 | #include <endian.h> |
14 | #if __linux |
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15 | #include <sys/syscall.h> |
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16 | #endif |
14 | |
17 | |
15 | #include <pthread.h> |
18 | #include <pthread.h> |
16 | #include <sys/syscall.h> |
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17 | |
19 | |
18 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
19 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
20 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
21 | |
23 | |
22 | #if __i386 || __amd64 |
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23 | # define STACKSIZE ( 256 * sizeof (long)) |
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24 | #elif __ia64 |
24 | #if __ia64 |
25 | # define STACKSIZE (8192 * sizeof (long)) |
25 | # define STACKSIZE 65536 |
26 | #else |
26 | #else |
27 | # define STACKSIZE ( 512 * sizeof (long)) |
27 | # define STACKSIZE 4096 |
28 | #endif |
28 | #endif |
29 | |
29 | |
30 | enum { |
30 | enum { |
31 | REQ_QUIT, |
31 | REQ_QUIT, |
32 | REQ_OPEN, REQ_CLOSE, |
32 | REQ_OPEN, REQ_CLOSE, |
… | |
… | |
44 | off_t offset; |
44 | off_t offset; |
45 | size_t length; |
45 | size_t length; |
46 | ssize_t result; |
46 | ssize_t result; |
47 | mode_t mode; /* open */ |
47 | mode_t mode; /* open */ |
48 | int errorno; |
48 | int errorno; |
49 | SV *data, *callback; |
49 | SV *data, *callback, *fh; |
50 | void *dataptr; |
50 | void *dataptr; |
51 | STRLEN dataoffset; |
51 | STRLEN dataoffset; |
52 | |
52 | |
53 | Stat_t *statdata; |
53 | Stat_t *statdata; |
54 | } aio_cb; |
54 | } aio_cb; |
55 | |
55 | |
56 | typedef aio_cb *aio_req; |
56 | typedef aio_cb *aio_req; |
57 | |
57 | |
58 | static int started; |
58 | static int started; |
59 | static int nreqs; |
59 | static volatile int nreqs; |
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60 | static int max_outstanding = 1<<30; |
60 | static int respipe [2]; |
61 | static int respipe [2]; |
61 | |
62 | |
62 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
63 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
63 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
64 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
64 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
65 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
65 | |
66 | |
66 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
67 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
67 | static volatile aio_req ress, rese; /* queue start, queue end */ |
68 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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69 | |
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70 | static void |
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71 | poll_wait () |
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72 | { |
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73 | if (nreqs && !ress) |
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74 | { |
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75 | fd_set rfd; |
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76 | FD_ZERO(&rfd); |
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77 | FD_SET(respipe [0], &rfd); |
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78 | |
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79 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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80 | } |
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81 | } |
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82 | |
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83 | static int |
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84 | poll_cb () |
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85 | { |
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86 | dSP; |
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87 | int count = 0; |
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88 | aio_req req, prv; |
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89 | |
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90 | pthread_mutex_lock (&reslock); |
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91 | |
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92 | { |
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93 | /* read any signals sent by the worker threads */ |
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94 | char buf [32]; |
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95 | while (read (respipe [0], buf, 32) > 0) |
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96 | ; |
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97 | } |
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98 | |
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99 | req = ress; |
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100 | ress = rese = 0; |
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101 | |
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102 | pthread_mutex_unlock (&reslock); |
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103 | |
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104 | while (req) |
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105 | { |
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106 | nreqs--; |
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107 | |
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108 | if (req->type == REQ_QUIT) |
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109 | started--; |
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110 | else |
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111 | { |
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112 | int errorno = errno; |
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113 | errno = req->errorno; |
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114 | |
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115 | if (req->type == REQ_READ) |
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116 | SvCUR_set (req->data, req->dataoffset |
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117 | + req->result > 0 ? req->result : 0); |
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118 | |
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119 | if (req->data) |
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120 | SvREFCNT_dec (req->data); |
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121 | |
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122 | if (req->fh) |
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123 | SvREFCNT_dec (req->fh); |
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124 | |
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125 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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126 | { |
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127 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
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128 | PL_laststatval = req->result; |
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129 | PL_statcache = *(req->statdata); |
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130 | |
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131 | Safefree (req->statdata); |
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132 | } |
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133 | |
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134 | ENTER; |
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135 | PUSHMARK (SP); |
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136 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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137 | |
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138 | if (req->type == REQ_OPEN) |
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139 | { |
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140 | /* convert fd to fh */ |
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141 | SV *fh; |
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142 | |
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143 | PUTBACK; |
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144 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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145 | SPAGAIN; |
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146 | |
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147 | fh = SvREFCNT_inc (POPs); |
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148 | |
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149 | PUSHMARK (SP); |
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150 | XPUSHs (sv_2mortal (fh)); |
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151 | } |
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152 | |
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153 | if (SvOK (req->callback)) |
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154 | { |
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155 | PUTBACK; |
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156 | call_sv (req->callback, G_VOID | G_EVAL); |
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157 | SPAGAIN; |
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158 | } |
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159 | |
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160 | LEAVE; |
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161 | |
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162 | if (req->callback) |
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163 | SvREFCNT_dec (req->callback); |
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164 | |
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165 | errno = errorno; |
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166 | count++; |
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167 | } |
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168 | |
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169 | prv = req; |
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170 | req = req->next; |
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171 | Safefree (prv); |
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172 | |
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173 | /* TODO: croak on errors? */ |
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174 | } |
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175 | |
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176 | return count; |
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177 | } |
68 | |
178 | |
69 | static void *aio_proc(void *arg); |
179 | static void *aio_proc(void *arg); |
70 | |
180 | |
71 | static void |
181 | static void |
72 | start_thread (void) |
182 | start_thread (void) |
… | |
… | |
105 | else |
215 | else |
106 | reqe = reqs = req; |
216 | reqe = reqs = req; |
107 | |
217 | |
108 | pthread_cond_signal (&reqwait); |
218 | pthread_cond_signal (&reqwait); |
109 | pthread_mutex_unlock (&reqlock); |
219 | pthread_mutex_unlock (&reqlock); |
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220 | |
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221 | while (nreqs > max_outstanding) |
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222 | { |
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223 | poll_wait (); |
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224 | poll_cb (); |
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225 | } |
110 | } |
226 | } |
111 | |
227 | |
112 | static void |
228 | static void |
113 | end_thread (void) |
229 | end_thread (void) |
114 | { |
230 | { |
115 | aio_req req; |
231 | aio_req req; |
116 | New (0, req, 1, aio_cb); |
232 | New (0, req, 1, aio_cb); |
117 | req->type = REQ_QUIT; |
233 | req->type = REQ_QUIT; |
118 | |
234 | |
119 | send_req (req); |
235 | send_req (req); |
120 | } |
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121 | |
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122 | static void |
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123 | read_write (pTHX_ |
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124 | int dowrite, int fd, off_t offset, size_t length, |
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125 | SV *data, STRLEN dataoffset, SV *callback) |
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126 | { |
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127 | aio_req req; |
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128 | STRLEN svlen; |
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129 | char *svptr = SvPV (data, svlen); |
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130 | |
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131 | SvUPGRADE (data, SVt_PV); |
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132 | SvPOK_on (data); |
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133 | |
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134 | if (dataoffset < 0) |
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135 | dataoffset += svlen; |
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136 | |
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137 | if (dataoffset < 0 || dataoffset > svlen) |
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138 | croak ("data offset outside of string"); |
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139 | |
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140 | if (dowrite) |
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141 | { |
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142 | /* write: check length and adjust. */ |
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143 | if (length < 0 || length + dataoffset > svlen) |
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144 | length = svlen - dataoffset; |
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145 | } |
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146 | else |
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147 | { |
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148 | /* read: grow scalar as necessary */ |
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149 | svptr = SvGROW (data, length + dataoffset); |
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150 | } |
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151 | |
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152 | if (length < 0) |
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153 | croak ("length must not be negative"); |
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154 | |
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155 | Newz (0, req, 1, aio_cb); |
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156 | |
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157 | if (!req) |
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158 | croak ("out of memory during aio_req allocation"); |
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159 | |
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160 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
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161 | req->fd = fd; |
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162 | req->offset = offset; |
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163 | req->length = length; |
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164 | req->data = SvREFCNT_inc (data); |
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165 | req->dataptr = (char *)svptr + dataoffset; |
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166 | req->callback = SvREFCNT_inc (callback); |
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167 | |
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168 | send_req (req); |
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169 | } |
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170 | |
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171 | static void |
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172 | poll_wait () |
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173 | { |
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174 | if (!nreqs) |
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175 | return; |
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176 | |
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177 | fd_set rfd; |
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178 | FD_ZERO(&rfd); |
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179 | FD_SET(respipe [0], &rfd); |
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180 | |
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181 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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182 | } |
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183 | |
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184 | static int |
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185 | poll_cb (pTHX) |
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186 | { |
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187 | dSP; |
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188 | int count = 0; |
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189 | aio_req req; |
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190 | |
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191 | { |
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192 | /* read and signals sent by the worker threads */ |
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193 | char buf [32]; |
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194 | while (read (respipe [0], buf, 32) > 0) |
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195 | ; |
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196 | } |
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197 | |
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198 | for (;;) |
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199 | { |
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200 | pthread_mutex_lock (&reslock); |
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201 | |
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202 | req = ress; |
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203 | |
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204 | if (ress) |
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205 | { |
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206 | ress = ress->next; |
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207 | if (!ress) rese = 0; |
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208 | } |
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209 | |
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210 | pthread_mutex_unlock (&reslock); |
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211 | |
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212 | if (!req) |
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213 | break; |
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214 | |
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215 | nreqs--; |
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216 | |
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217 | if (req->type == REQ_QUIT) |
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218 | started--; |
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219 | else |
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220 | { |
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221 | int errorno = errno; |
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222 | errno = req->errorno; |
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223 | |
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224 | if (req->type == REQ_READ) |
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225 | SvCUR_set (req->data, req->dataoffset |
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226 | + req->result > 0 ? req->result : 0); |
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227 | |
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228 | if (req->data) |
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229 | SvREFCNT_dec (req->data); |
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230 | |
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231 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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232 | { |
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233 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
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234 | PL_laststatval = req->result; |
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235 | PL_statcache = *(req->statdata); |
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236 | |
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237 | Safefree (req->statdata); |
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238 | } |
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239 | |
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240 | PUSHMARK (SP); |
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241 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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242 | |
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243 | if (req->type == REQ_OPEN) |
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244 | { |
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245 | /* convert fd to fh */ |
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246 | SV *fh; |
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247 | |
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248 | PUTBACK; |
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249 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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250 | SPAGAIN; |
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251 | |
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252 | fh = POPs; |
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253 | |
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254 | PUSHMARK (SP); |
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255 | XPUSHs (fh); |
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256 | } |
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257 | |
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258 | PUTBACK; |
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259 | call_sv (req->callback, G_VOID | G_EVAL); |
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260 | SPAGAIN; |
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261 | |
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262 | if (req->callback) |
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263 | SvREFCNT_dec (req->callback); |
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264 | |
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265 | errno = errorno; |
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266 | count++; |
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267 | } |
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268 | |
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269 | Safefree (req); |
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270 | } |
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271 | |
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272 | return count; |
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273 | } |
236 | } |
274 | |
237 | |
275 | static void * |
238 | static void * |
276 | aio_proc (void *thr_arg) |
239 | aio_proc (void *thr_arg) |
277 | { |
240 | { |
… | |
… | |
304 | |
267 | |
305 | type = req->type; |
268 | type = req->type; |
306 | |
269 | |
307 | switch (type) |
270 | switch (type) |
308 | { |
271 | { |
309 | case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break; |
272 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
310 | case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break; |
273 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
311 | #if SYS_readahead |
274 | #if SYS_readahead |
312 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
275 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
313 | #else |
276 | #else |
314 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
277 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
315 | #endif |
278 | #endif |
… | |
… | |
359 | return 0; |
322 | return 0; |
360 | } |
323 | } |
361 | |
324 | |
362 | MODULE = IO::AIO PACKAGE = IO::AIO |
325 | MODULE = IO::AIO PACKAGE = IO::AIO |
363 | |
326 | |
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327 | PROTOTYPES: ENABLE |
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328 | |
364 | BOOT: |
329 | BOOT: |
365 | { |
330 | { |
366 | if (pipe (respipe)) |
331 | if (pipe (respipe)) |
367 | croak ("unable to initialize result pipe"); |
332 | croak ("unable to initialize result pipe"); |
368 | |
333 | |
… | |
… | |
395 | } |
360 | } |
396 | |
361 | |
397 | while (started > nthreads) |
362 | while (started > nthreads) |
398 | { |
363 | { |
399 | poll_wait (); |
364 | poll_wait (); |
400 | poll_cb (aTHX); |
365 | poll_cb (); |
401 | } |
366 | } |
402 | } |
367 | } |
403 | |
368 | |
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369 | int |
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370 | max_outstanding(nreqs) |
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371 | int nreqs |
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372 | PROTOTYPE: $ |
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373 | CODE: |
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374 | RETVAL = max_outstanding; |
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375 | max_outstanding = nreqs; |
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376 | |
404 | void |
377 | void |
405 | aio_open(pathname,flags,mode,callback) |
378 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
406 | SV * pathname |
379 | SV * pathname |
407 | int flags |
380 | int flags |
408 | int mode |
381 | int mode |
409 | SV * callback |
382 | SV * callback |
410 | PROTOTYPE: $$$$ |
383 | PROTOTYPE: $$$;$ |
411 | CODE: |
384 | CODE: |
412 | { |
385 | { |
413 | aio_req req; |
386 | aio_req req; |
414 | |
387 | |
415 | Newz (0, req, 1, aio_cb); |
388 | Newz (0, req, 1, aio_cb); |
… | |
… | |
426 | |
399 | |
427 | send_req (req); |
400 | send_req (req); |
428 | } |
401 | } |
429 | |
402 | |
430 | void |
403 | void |
431 | aio_close(fh,callback) |
404 | aio_close(fh,callback=&PL_sv_undef) |
432 | InputStream fh |
405 | SV * fh |
433 | SV * callback |
406 | SV * callback |
434 | PROTOTYPE: $$ |
407 | PROTOTYPE: $;$ |
435 | ALIAS: |
408 | ALIAS: |
436 | aio_close = REQ_CLOSE |
409 | aio_close = REQ_CLOSE |
437 | aio_fsync = REQ_FSYNC |
410 | aio_fsync = REQ_FSYNC |
438 | aio_fdatasync = REQ_FDATASYNC |
411 | aio_fdatasync = REQ_FDATASYNC |
439 | CODE: |
412 | CODE: |
… | |
… | |
444 | |
417 | |
445 | if (!req) |
418 | if (!req) |
446 | croak ("out of memory during aio_req allocation"); |
419 | croak ("out of memory during aio_req allocation"); |
447 | |
420 | |
448 | req->type = ix; |
421 | req->type = ix; |
|
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422 | req->fh = newSVsv (fh); |
449 | req->fd = PerlIO_fileno (fh); |
423 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
450 | req->callback = SvREFCNT_inc (callback); |
424 | req->callback = SvREFCNT_inc (callback); |
451 | |
425 | |
452 | send_req (req); |
426 | send_req (req); |
453 | } |
427 | } |
454 | |
428 | |
455 | void |
429 | void |
456 | aio_read(fh,offset,length,data,dataoffset,callback) |
430 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
457 | InputStream fh |
431 | SV * fh |
458 | UV offset |
432 | UV offset |
459 | IV length |
433 | IV length |
460 | SV * data |
434 | SV * data |
461 | IV dataoffset |
435 | IV dataoffset |
462 | SV * callback |
436 | SV * callback |
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437 | ALIAS: |
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438 | aio_read = REQ_READ |
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439 | aio_write = REQ_WRITE |
463 | PROTOTYPE: $$$$$$ |
440 | PROTOTYPE: $$$$$;$ |
464 | CODE: |
441 | CODE: |
465 | read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
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466 | |
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467 | void |
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468 | aio_write(fh,offset,length,data,dataoffset,callback) |
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469 | OutputStream fh |
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470 | UV offset |
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471 | IV length |
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472 | SV * data |
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473 | IV dataoffset |
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474 | SV * callback |
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475 | PROTOTYPE: $$$$$$ |
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476 | CODE: |
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477 | read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
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478 | |
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479 | void |
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480 | aio_readahead(fh,offset,length,callback) |
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481 | InputStream fh |
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482 | UV offset |
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483 | IV length |
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484 | SV * callback |
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485 | PROTOTYPE: $$$$ |
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486 | CODE: |
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487 | { |
442 | { |
488 | aio_req req; |
443 | aio_req req; |
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444 | STRLEN svlen; |
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445 | char *svptr = SvPV (data, svlen); |
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446 | |
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447 | SvUPGRADE (data, SVt_PV); |
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448 | SvPOK_on (data); |
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449 | |
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450 | if (dataoffset < 0) |
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451 | dataoffset += svlen; |
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452 | |
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453 | if (dataoffset < 0 || dataoffset > svlen) |
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454 | croak ("data offset outside of string"); |
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455 | |
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456 | if (ix == REQ_WRITE) |
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457 | { |
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458 | /* write: check length and adjust. */ |
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459 | if (length < 0 || length + dataoffset > svlen) |
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460 | length = svlen - dataoffset; |
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461 | } |
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462 | else |
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463 | { |
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464 | /* read: grow scalar as necessary */ |
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465 | svptr = SvGROW (data, length + dataoffset); |
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466 | } |
489 | |
467 | |
490 | if (length < 0) |
468 | if (length < 0) |
491 | croak ("length must not be negative"); |
469 | croak ("length must not be negative"); |
492 | |
470 | |
493 | Newz (0, req, 1, aio_cb); |
471 | Newz (0, req, 1, aio_cb); |
494 | |
472 | |
495 | if (!req) |
473 | if (!req) |
496 | croak ("out of memory during aio_req allocation"); |
474 | croak ("out of memory during aio_req allocation"); |
497 | |
475 | |
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476 | req->type = ix; |
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477 | req->fh = newSVsv (fh); |
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478 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
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479 | : IoOFP (sv_2io (fh))); |
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480 | req->offset = offset; |
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481 | req->length = length; |
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482 | req->data = SvREFCNT_inc (data); |
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483 | req->dataptr = (char *)svptr + dataoffset; |
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484 | req->callback = SvREFCNT_inc (callback); |
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485 | |
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486 | send_req (req); |
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487 | } |
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488 | |
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489 | void |
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490 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
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491 | SV * fh |
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492 | UV offset |
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493 | IV length |
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494 | SV * callback |
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495 | PROTOTYPE: $$$;$ |
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496 | CODE: |
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497 | { |
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498 | aio_req req; |
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499 | |
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500 | if (length < 0) |
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501 | croak ("length must not be negative"); |
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502 | |
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503 | Newz (0, req, 1, aio_cb); |
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504 | |
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505 | if (!req) |
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506 | croak ("out of memory during aio_req allocation"); |
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507 | |
498 | req->type = REQ_READAHEAD; |
508 | req->type = REQ_READAHEAD; |
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509 | req->fh = newSVsv (fh); |
499 | req->fd = PerlIO_fileno (fh); |
510 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
500 | req->offset = offset; |
511 | req->offset = offset; |
501 | req->length = length; |
512 | req->length = length; |
502 | req->callback = SvREFCNT_inc (callback); |
513 | req->callback = SvREFCNT_inc (callback); |
503 | |
514 | |
504 | send_req (req); |
515 | send_req (req); |
505 | } |
516 | } |
506 | |
517 | |
507 | void |
518 | void |
508 | aio_stat(fh_or_path,callback) |
519 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
509 | SV * fh_or_path |
520 | SV * fh_or_path |
510 | SV * callback |
521 | SV * callback |
511 | PROTOTYPE: $$ |
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512 | ALIAS: |
522 | ALIAS: |
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|
523 | aio_stat = REQ_STAT |
513 | aio_lstat = 1 |
524 | aio_lstat = REQ_LSTAT |
514 | CODE: |
525 | CODE: |
515 | { |
526 | { |
516 | aio_req req; |
527 | aio_req req; |
517 | |
528 | |
518 | Newz (0, req, 1, aio_cb); |
529 | Newz (0, req, 1, aio_cb); |
… | |
… | |
525 | if (!req->statdata) |
536 | if (!req->statdata) |
526 | croak ("out of memory during aio_req->statdata allocation"); |
537 | croak ("out of memory during aio_req->statdata allocation"); |
527 | |
538 | |
528 | if (SvPOK (fh_or_path)) |
539 | if (SvPOK (fh_or_path)) |
529 | { |
540 | { |
530 | req->type = ix ? REQ_LSTAT : REQ_STAT; |
541 | req->type = ix; |
531 | req->data = newSVsv (fh_or_path); |
542 | req->data = newSVsv (fh_or_path); |
532 | req->dataptr = SvPV_nolen (req->data); |
543 | req->dataptr = SvPV_nolen (req->data); |
533 | } |
544 | } |
534 | else |
545 | else |
535 | { |
546 | { |
536 | req->type = REQ_FSTAT; |
547 | req->type = REQ_FSTAT; |
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|
548 | req->fh = newSVsv (fh_or_path); |
537 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
549 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
538 | } |
550 | } |
539 | |
551 | |
540 | req->callback = SvREFCNT_inc (callback); |
552 | req->callback = SvREFCNT_inc (callback); |
541 | |
553 | |
542 | send_req (req); |
554 | send_req (req); |
543 | } |
555 | } |
544 | |
556 | |
545 | void |
557 | void |
546 | aio_unlink(pathname,callback) |
558 | aio_unlink(pathname,callback=&PL_sv_undef) |
547 | SV * pathname |
559 | SV * pathname |
548 | SV * callback |
560 | SV * callback |
549 | PROTOTYPE: $$ |
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|
550 | CODE: |
561 | CODE: |
551 | { |
562 | { |
552 | aio_req req; |
563 | aio_req req; |
553 | |
564 | |
554 | Newz (0, req, 1, aio_cb); |
565 | Newz (0, req, 1, aio_cb); |
… | |
… | |
562 | req->callback = SvREFCNT_inc (callback); |
573 | req->callback = SvREFCNT_inc (callback); |
563 | |
574 | |
564 | send_req (req); |
575 | send_req (req); |
565 | } |
576 | } |
566 | |
577 | |
|
|
578 | void |
|
|
579 | flush() |
|
|
580 | PROTOTYPE: |
|
|
581 | CODE: |
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|
582 | while (nreqs) |
|
|
583 | { |
|
|
584 | poll_wait (); |
|
|
585 | poll_cb (); |
|
|
586 | } |
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|
587 | |
|
|
588 | void |
|
|
589 | poll() |
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|
590 | PROTOTYPE: |
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|
591 | CODE: |
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|
592 | if (nreqs) |
|
|
593 | { |
|
|
594 | poll_wait (); |
|
|
595 | poll_cb (); |
|
|
596 | } |
|
|
597 | |
567 | int |
598 | int |
568 | poll_fileno() |
599 | poll_fileno() |
569 | PROTOTYPE: |
600 | PROTOTYPE: |
570 | CODE: |
601 | CODE: |
571 | RETVAL = respipe [0]; |
602 | RETVAL = respipe [0]; |
… | |
… | |
574 | |
605 | |
575 | int |
606 | int |
576 | poll_cb(...) |
607 | poll_cb(...) |
577 | PROTOTYPE: |
608 | PROTOTYPE: |
578 | CODE: |
609 | CODE: |
579 | RETVAL = poll_cb (aTHX); |
610 | RETVAL = poll_cb (); |
580 | OUTPUT: |
611 | OUTPUT: |
581 | RETVAL |
612 | RETVAL |
582 | |
613 | |
583 | void |
614 | void |
584 | poll_wait() |
615 | poll_wait() |