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comparison src/os/unix/ngx_solaris_sendfilev_chain.c @ 262:8c5bdde0d9f0

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nginx-0.0.2-2004-02-18-18:45:21 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 18 Feb 2004 15:45:21 +0000
parents 70e1c7d2b83d
children d4e65d74db9f
comparison
equal deleted inserted replaced
261:bdd631bf1a1c 262:8c5bdde0d9f0
14 ngx_int_t eintr; 14 ngx_int_t eintr;
15 ngx_err_t err; 15 ngx_err_t err;
16 sendfilevec_t *sfv; 16 sendfilevec_t *sfv;
17 ngx_array_t vec; 17 ngx_array_t vec;
18 ngx_event_t *wev; 18 ngx_event_t *wev;
19 ngx_chain_t *cl; 19 ngx_chain_t *cl, *tail;
20 20
21 wev = c->write; 21 wev = c->write;
22 22
23 if (!wev->ready) { 23 if (!wev->ready) {
24 return in; 24 return in;
35 ngx_init_array(vec, c->pool, 10, sizeof(sendfilevec_t), 35 ngx_init_array(vec, c->pool, 10, sizeof(sendfilevec_t),
36 NGX_CHAIN_ERROR); 36 NGX_CHAIN_ERROR);
37 37
38 /* create the sendfilevec and coalesce the neighbouring hunks */ 38 /* create the sendfilevec and coalesce the neighbouring hunks */
39 39
40 for (cl = in; cl; cl = cl->next) { 40 for (cl = in; cl && vec.nelts < IOV_MAX; cl = cl->next) {
41 if (ngx_hunk_special(cl->hunk)) { 41 if (ngx_hunk_special(cl->hunk)) {
42 continue; 42 continue;
43 } 43 }
44 44
45 if (ngx_hunk_in_memory_only(cl->hunk)) { 45 if (ngx_hunk_in_memory_only(cl->hunk)) {
74 } 74 }
75 75
76 fprev = cl->hunk->file_last; 76 fprev = cl->hunk->file_last;
77 } 77 }
78 } 78 }
79
80 /*
81 * the tail is the rest of the chain that exceeded a single
82 * sendfilev() capability, IOV_MAX in Solaris is only 16
83 */
84
85 tail = cl;
79 86
80 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent); 87 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent);
81 88
82 if (n == -1) { 89 if (n == -1) {
83 err = ngx_errno; 90 err = ngx_errno;
140 break; 147 break;
141 } 148 }
142 149
143 in = cl; 150 in = cl;
144 151
145 } while (eintr); 152 /* "tail == in" means that a single sendfilev() is complete */
153
154 } while ((tail && tail == in) || eintr);
146 155
147 if (in) { 156 if (in) {
148 wev->ready = 0; 157 wev->ready = 0;
149 } 158 }
150 159