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Output chain: zero size buf alerts in ngx_chain_writer().

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Now we log a "zero size buf in chain writer" alert if we encounter a zero
sized buffer in ngx_chain_writer(), and skip the buffer.
This commit is contained in:
Maxim Dounin 2015-03-23 20:56:58 +03:00
parent 3560af8999
commit 9131eb11c9
1 changed files with 33 additions and 2 deletions
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35
src/core/ngx_output_chain.c
View file

@ -663,7 +663,23 @@ ngx_chain_writer(void *data, ngx_chain_t *in)
#if 1
if (ngx_buf_size(in->buf) == 0 && !ngx_buf_special(in->buf)) {
ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
"zero size buf in chain writer "
"t:%d r:%d f:%d %p %p-%p %p %O-%O",
in->buf->temporary,
in->buf->recycled,
in->buf->in_file,
in->buf->start,
in->buf->pos,
in->buf->last,
in->buf->file,
in->buf->file_pos,
in->buf->file_last);
ngx_debug_point();
continue;
}
#endif
@ -691,9 +707,24 @@ ngx_chain_writer(void *data, ngx_chain_t *in)
#if 1
if (ngx_buf_size(cl->buf) == 0 && !ngx_buf_special(cl->buf)) {
ngx_debug_point();
}
ngx_log_error(NGX_LOG_ALERT, ctx->pool->log, 0,
"zero size buf in chain writer "
"t:%d r:%d f:%d %p %p-%p %p %O-%O",
cl->buf->temporary,
cl->buf->recycled,
cl->buf->in_file,
cl->buf->start,
cl->buf->pos,
cl->buf->last,
cl->buf->file,
cl->buf->file_pos,
cl->buf->file_last);
ngx_debug_point();
continue;
}
#endif
size += ngx_buf_size(cl->buf);