|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
660
|
4 * Copyright (C) Nginx, Inc.
|
|
0
|
5 */
|
|
|
6
|
|
|
7
|
|
|
8 #include <ngx_config.h>
|
|
|
9 #include <ngx_core.h>
|
|
|
10 #include <ngx_event.h>
|
|
|
11
|
|
|
12
|
|
518
|
13 extern int ngx_kqueue;
|
|
|
14
|
|
0
|
15
|
|
126
|
16 ssize_t
|
|
|
17 ngx_aio_write(ngx_connection_t *c, u_char *buf, size_t size)
|
|
0
|
18 {
|
|
|
19 int n;
|
|
|
20 ngx_event_t *wev;
|
|
|
21
|
|
|
22 wev = c->write;
|
|
|
23
|
|
|
24 if (!wev->ready) {
|
|
|
25 return NGX_AGAIN;
|
|
|
26 }
|
|
|
27
|
|
|
28 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, wev->log, 0,
|
|
|
29 "aio: wev->complete: %d", wev->complete);
|
|
|
30
|
|
|
31 if (!wev->complete) {
|
|
|
32 ngx_memzero(&wev->aiocb, sizeof(struct aiocb));
|
|
|
33
|
|
|
34 wev->aiocb.aio_fildes = c->fd;
|
|
|
35 wev->aiocb.aio_buf = buf;
|
|
|
36 wev->aiocb.aio_nbytes = size;
|
|
|
37
|
|
18
|
38 #if (NGX_HAVE_KQUEUE)
|
|
0
|
39 wev->aiocb.aio_sigevent.sigev_notify_kqueue = ngx_kqueue;
|
|
|
40 wev->aiocb.aio_sigevent.sigev_notify = SIGEV_KEVENT;
|
|
|
41 wev->aiocb.aio_sigevent.sigev_value.sigval_ptr = wev;
|
|
|
42 #endif
|
|
|
43
|
|
|
44 if (aio_write(&wev->aiocb) == -1) {
|
|
|
45 ngx_log_error(NGX_LOG_CRIT, wev->log, ngx_errno,
|
|
|
46 "aio_write() failed");
|
|
|
47 return NGX_ERROR;
|
|
|
48 }
|
|
|
49
|
|
|
50 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, wev->log, 0, "aio_write: OK");
|
|
|
51
|
|
|
52 wev->active = 1;
|
|
|
53 wev->ready = 0;
|
|
|
54 }
|
|
|
55
|
|
|
56 wev->complete = 0;
|
|
|
57
|
|
|
58 n = aio_error(&wev->aiocb);
|
|
|
59 if (n == -1) {
|
|
|
60 ngx_log_error(NGX_LOG_CRIT, wev->log, ngx_errno, "aio_error() failed");
|
|
|
61 wev->error = 1;
|
|
|
62 return NGX_ERROR;
|
|
|
63 }
|
|
|
64
|
|
|
65 if (n != 0) {
|
|
|
66 if (n == NGX_EINPROGRESS) {
|
|
|
67 if (wev->ready) {
|
|
|
68 ngx_log_error(NGX_LOG_ALERT, wev->log, n,
|
|
|
69 "aio_write() still in progress");
|
|
|
70 wev->ready = 0;
|
|
|
71 }
|
|
|
72 return NGX_AGAIN;
|
|
|
73 }
|
|
|
74
|
|
|
75 ngx_log_error(NGX_LOG_CRIT, wev->log, n, "aio_write() failed");
|
|
|
76 wev->error = 1;
|
|
|
77 wev->ready = 0;
|
|
|
78
|
|
|
79 #if 1
|
|
|
80 n = aio_return(&wev->aiocb);
|
|
|
81 if (n == -1) {
|
|
|
82 ngx_log_error(NGX_LOG_ALERT, wev->log, ngx_errno,
|
|
|
83 "aio_return() failed");
|
|
|
84 }
|
|
|
85
|
|
|
86 ngx_log_error(NGX_LOG_CRIT, wev->log, n, "aio_return() %d", n);
|
|
|
87 #endif
|
|
|
88
|
|
|
89 return NGX_ERROR;
|
|
|
90 }
|
|
|
91
|
|
|
92 n = aio_return(&wev->aiocb);
|
|
|
93 if (n == -1) {
|
|
|
94 ngx_log_error(NGX_LOG_ALERT, wev->log, ngx_errno,
|
|
|
95 "aio_return() failed");
|
|
|
96
|
|
|
97 wev->error = 1;
|
|
|
98 wev->ready = 0;
|
|
|
99 return NGX_ERROR;
|
|
|
100 }
|
|
|
101
|
|
|
102
|
|
|
103 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, wev->log, 0, "aio_write: %d", n);
|
|
|
104
|
|
|
105 wev->active = 0;
|
|
|
106 wev->ready = 1;
|
|
|
107
|
|
|
108 return n;
|
|
|
109 }
|
