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Update the write descriptor selection set for our data links

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*after* shuffling fragments from the IP queue into the
individual link queues.

This fixes a latency problem pointed out by: Bruce Evans <bde@zeta.org.au>
This commit is contained in:
Brian Somers 1998-06-07 00:16:37 +00:00
parent fa05a94c42
commit 7155510852
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=36714
1 changed files with 5 additions and 3 deletions
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8
usr.sbin/ppp/bundle.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: bundle.c,v 1.12 1998/05/29 18:33:08 brian Exp $
* $Id: bundle.c,v 1.13 1998/06/06 20:50:54 brian Exp $
*/
#include <sys/param.h>
@ -482,8 +482,6 @@ bundle_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e, int *n)
int result, want, queued, nlinks;
result = 0;
for (dl = bundle->links; dl; dl = dl->next)
result += descriptor_UpdateSet(&dl->desc, r, w, e, n);
/* If there are aren't many packets queued, look for some more. */
for (nlinks = 0, dl = bundle->links; dl; dl = dl->next)
@ -521,6 +519,10 @@ bundle_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e, int *n)
}
}
/* Which links need a select() ? */
for (dl = bundle->links; dl; dl = dl->next)
result += descriptor_UpdateSet(&dl->desc, r, w, e, n);
/*
* This *MUST* be called after the datalink UpdateSet()s as it
* might be ``holding'' one of the datalinks (death-row) and