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Some more changes to the 'childTid' handling in cThread

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This commit is contained in:
Klaus Schmidinger
2004-11-26 14:05:36 +01:00
parent 4146ac1928
commit eb8405695b
3 changed files with 13 additions and 7 deletions
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13
thread.c
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@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: thread.c 1.37 2004/11/20 16:21:14 kls Exp $
* $Id: thread.c 1.38 2004/11/26 13:50:37 kls Exp $
*/
#include "thread.h"
@@ -221,19 +221,22 @@ void cThread::SetDescription(const char *Description, ...)
void *cThread::StartThread(cThread *Thread)
{
Thread->childTidMutex.Lock();
Thread->childTid = pthread_self();
Thread->childTidMutex.Unlock();
if (Thread->description)
dsyslog("%s thread started (pid=%d, tid=%ld)", Thread->description, getpid(), Thread->childTid);
Thread->Action();
if (Thread->description)
dsyslog("%s thread ended (pid=%d, tid=%ld)", Thread->description, getpid(), Thread->childTid);
Thread->childTidMutex.Lock();
Thread->childTid = 0;
Thread->childTidMutex.Unlock();
return NULL;
}
bool cThread::Start(void)
{
Lock();
if (!childTid) {
parentTid = pthread_self();
pthread_t Tid;
@@ -241,7 +244,6 @@ bool cThread::Start(void)
pthread_detach(Tid); // auto-reap
pthread_setschedparam(Tid, SCHED_RR, 0);
}
Unlock();
return true; //XXX return value of pthread_create()???
}
@@ -257,6 +259,7 @@ bool cThread::Active(void)
// As in kill(), if sig is zero, error checking is
// performed but no signal is actually sent.
//
cMutexLock MutexLock(&childTidMutex);
int err;
if ((err = pthread_kill(childTid, 0)) != 0) {
if (err != ESRCH)
@@ -280,12 +283,12 @@ void cThread::Cancel(int WaitSeconds)
}
esyslog("ERROR: thread %ld won't end (waited %d seconds) - cancelling it...", childTid, WaitSeconds);
}
Lock();
childTidMutex.Lock();
if (childTid) {
pthread_cancel(childTid);
childTid = 0;
}
Unlock();
childTidMutex.Unlock();
}
}