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try to isolate pqistreamer mutex from pqissl mutex, step 1: pqistreamer::tick_recv()

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This commit is contained in:
jolavillette 2020-05-02 09:47:24 +02:00
parent 07e71c3ea6
commit d35dd76ca5
1 changed files with 29 additions and 12 deletions
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19
libretroshare/src/pqi/pqistreamer.cc
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@ -288,7 +288,14 @@ int pqistreamer::tick_bio()
int pqistreamer::tick_recv(uint32_t timeout)
{
RsStackMutex stack(mStreamerMtx); /**** LOCKED MUTEX ****/
// Only our thread manipulates mIncoming queue and related counters.
// The lock of pqistreamer mutex is thus not needed here.
// For the moment and for safety reasons it is still kept in 3 places:
// - in pqistreamer::tick_recv before calling free_pend_locked, as I dont know what this method actually does
// - in pqistreamer::handleincomingitem_locked, as it modifies mIncoming queue
// - in pqistreamer::inReadBytes_locked, as it modifies related counters
//
// RsStackMutex stack(mStreamerMtx); /**** LOCKED MUTEX ****/
if (mBio->moretoread(timeout))
{
@ -296,6 +303,9 @@ int pqistreamer::tick_recv(uint32_t timeout)
}
if(!(mBio->isactive()))
{
// lock only now, see comment above
RsStackMutex stack(mStreamerMtx); /**** LOCKED MUTEX ****/
free_pend_locked();
}
return 1;
@ -414,6 +424,10 @@ int pqistreamer::handleincomingitem_locked(RsItem *pqi,int len)
// Use overloaded Contact function
pqi -> PeerId(PeerId());
// lock only now, see comment in pqistreamer::tick_recv
RsStackMutex stack(mStreamerMtx); /**** LOCKED MUTEX ****/
mIncoming.push_back(pqi);
++mIncomingSize ;
@ -1241,6 +1255,9 @@ void pqistreamer::inReadBytes_locked(uint32_t inb)
}
#endif
// lock only now, see comment in pqistreamer::tick_recv
RsStackMutex stack(mStreamerMtx); /**** LOCKED MUTEX ****/
mTotalRead += inb;
mCurrRead += inb;
mAvgReadCount += inb;