2005-04-26 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* buffer.c (buffer_write): Comment out call to buffer_flush_available.
This should speed up buffering at the expense of a possible increase
in latency in flushing the data if inside a long-running thread.
diff --git a/lib/buffer.c b/lib/buffer.c
index 48fd35a..81cd0f2 100644
--- a/lib/buffer.c
+++ b/lib/buffer.c
@@ -464,11 +464,16 @@
{
ssize_t nbytes;
- /* Attempt to drain the previously buffered data? */
+#if 0
+ /* Should we attempt to drain any previously buffered data? This could help
+ reduce latency in pushing out the data if we are stuck in a long-running
+ thread that is preventing the main select loop from calling the flush
+ thread... */
if (b->head && (buffer_flush_available(b, fd) == BUFFER_ERROR))
return BUFFER_ERROR;
+#endif
if (b->head)
- /* Buffer still not empty. */
+ /* Buffer is not empty, so do not attempt to write the new data. */
nbytes = 0;
else if ((nbytes = write(fd, p, size)) < 0)
{