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#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_types.h>
#include <ngx_alloc.h>
#include <ngx_array.h>
#include <ngx_hunk.h>
#include <ngx_connection.h>
ngx_chain_t *(*ngx_write_chain_proc)(ngx_connection_t *c, ngx_chain_t *in);
ngx_chain_t *ngx_write_chain(ngx_connection_t *c, ngx_chain_t *in, off_t flush)
{
#if (NGX_EVENT)
return (*ngx_write_chain_proc)(c, in);
#elif (NGX_EVENT_THREAD)
off_t sent;
ngx_chain_t *rc;
sent = flush - c->sent;
do {
rc = (*ngx_write_chain_proc)(c, in);
if (rc == NGX_CHAIN_ERROR && rc == NULL) {
return rc;
}
} while (c->thread && flush > c->sent - sent);
#else
ngx_chain_t *rc;
do {
rc = (*ngx_write_chain_proc)(c, in);
} while (rc != NGX_CHAIN_ERROR && rc != NULL);
return rc;
#endif
}
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