|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9
|
|
|
10
|
|
|
11 /*
|
|
236
|
12 * ioctl(FIONBIO) sets a non-blocking mode with the single syscall
|
|
|
13 * while fcntl(F_SETFL, O_NONBLOCK) needs to learn the current state
|
|
|
14 * using fcntl(F_GETFL).
|
|
0
|
15 *
|
|
112
|
16 * ioctl() and fcntl() are syscalls at least in FreeBSD 2.x, Linux 2.2
|
|
0
|
17 * and Solaris 7.
|
|
|
18 *
|
|
2
|
19 * ioctl() in Linux 2.4 and 2.6 uses BKL, however, fcntl(F_SETFL) uses it too.
|
|
0
|
20 */
|
|
|
21
|
|
|
22
|
|
18
|
23 #if (NGX_HAVE_FIONBIO)
|
|
0
|
24
|
|
50
|
25 int
|
|
|
26 ngx_nonblocking(ngx_socket_t s)
|
|
0
|
27 {
|
|
286
|
28 int nb;
|
|
0
|
29
|
|
|
30 nb = 1;
|
|
|
31
|
|
|
32 return ioctl(s, FIONBIO, &nb);
|
|
|
33 }
|
|
|
34
|
|
|
35
|
|
50
|
36 int
|
|
|
37 ngx_blocking(ngx_socket_t s)
|
|
0
|
38 {
|
|
286
|
39 int nb;
|
|
0
|
40
|
|
|
41 nb = 0;
|
|
|
42
|
|
|
43 return ioctl(s, FIONBIO, &nb);
|
|
|
44 }
|
|
|
45
|
|
|
46 #endif
|
|
|
47
|
|
|
48
|
|
4
|
49 #if (NGX_FREEBSD)
|
|
0
|
50
|
|
50
|
51 int
|
|
|
52 ngx_tcp_nopush(ngx_socket_t s)
|
|
0
|
53 {
|
|
|
54 int tcp_nopush;
|
|
|
55
|
|
|
56 tcp_nopush = 1;
|
|
|
57
|
|
|
58 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
|
|
|
59 (const void *) &tcp_nopush, sizeof(int));
|
|
|
60 }
|
|
|
61
|
|
|
62
|
|
50
|
63 int
|
|
|
64 ngx_tcp_push(ngx_socket_t s)
|
|
0
|
65 {
|
|
|
66 int tcp_nopush;
|
|
|
67
|
|
|
68 tcp_nopush = 0;
|
|
|
69
|
|
|
70 return setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,
|
|
|
71 (const void *) &tcp_nopush, sizeof(int));
|
|
|
72 }
|
|
|
73
|
|
4
|
74 #elif (NGX_LINUX)
|
|
0
|
75
|
|
112
|
76
|
|
50
|
77 int
|
|
|
78 ngx_tcp_nopush(ngx_socket_t s)
|
|
0
|
79 {
|
|
|
80 int cork;
|
|
|
81
|
|
|
82 cork = 1;
|
|
|
83
|
|
|
84 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
|
|
|
85 (const void *) &cork, sizeof(int));
|
|
|
86 }
|
|
|
87
|
|
112
|
88
|
|
50
|
89 int
|
|
|
90 ngx_tcp_push(ngx_socket_t s)
|
|
0
|
91 {
|
|
|
92 int cork;
|
|
|
93
|
|
|
94 cork = 0;
|
|
|
95
|
|
|
96 return setsockopt(s, IPPROTO_TCP, TCP_CORK,
|
|
|
97 (const void *) &cork, sizeof(int));
|
|
|
98 }
|
|
|
99
|
|
|
100 #else
|
|
|
101
|
|
50
|
102 int
|
|
|
103 ngx_tcp_nopush(ngx_socket_t s)
|
|
0
|
104 {
|
|
50
|
105 return 0;
|
|
0
|
106 }
|
|
|
107
|
|
112
|
108
|
|
50
|
109 int
|
|
|
110 ngx_tcp_push(ngx_socket_t s)
|
|
0
|
111 {
|
|
50
|
112 return 0;
|
|
0
|
113 }
|
|
|
114
|
|
|
115 #endif
|
