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(trunk libT) #1627: OSX mutex lockup in 141 and up to 7490

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This commit is contained in:
Charles Kerr 2008-12-24 17:45:27 +00:00
parent 111ce452d7
commit f0efd7fea8
1 changed files with 7 additions and 4 deletions
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11
libtransmission/bandwidth.c
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@ -7,7 +7,7 @@
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id:$
* $Id$
*/
#include <assert.h>
@ -296,6 +296,9 @@ tr_bandwidthAllocate( tr_bandwidth * b,
int i, n, peerCount;
tr_ptrArray * tmp;
struct tr_peerIo ** peers;
const uint64_t now = tr_date( );
const uint64_t cutoff = now + 100; /* 1/10th of a second */
/* allocateBandwidth() is a helper function with two purposes:
* 1. allocate bandwidth to b and its subtree
@ -311,11 +314,11 @@ tr_bandwidthAllocate( tr_bandwidth * b,
/* First phase of IO. Tries to distribute bandwidth fairly to keep faster
* peers from starving the others. Loop through the peers, giving each a
* small chunk of bandwidth. Keep looping until we run out of bandwidth
* or pweers that can use it */
* small chunk of bandwidth. Keep looping until we reach the cutoff or
* run out of bandwidth and/or peers that can use it */
n = peerCount;
i = n ? tr_cryptoWeakRandInt( n ) : 0; /* pick a random starting point */
for( ; n>0; )
for( ; n>0 && tr_date()<=cutoff; )
{
const int increment = n==1 ? 4096 : 1024;
const int byteCount = tr_peerIoFlush( peers[i], dir, increment);