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authorChristian Gromm <christian.gromm@microchip.com>2016-12-08 16:46:07 +0100
committerChristian Gromm <christian.gromm@microchip.com>2016-12-08 16:46:07 +0100
commit0a28683a1ff9f3975c8b68b15017cf342bab5f3d (patch)
tree2f350b709db4d45532fc0624cfce22ec11e43ccf /Src/Thread.cpp
parent18c9e9fc0000861257ab06f6a033612b0c567674 (diff)
src: vod-server: import sources
This patch adds the source tree of the Video-On-Demand server and its configuration scripts. Change-Id: I6db8c43d46c7450baf117a541bd7153496dbcd4c Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Diffstat (limited to 'Src/Thread.cpp')
-rw-r--r--Src/Thread.cpp129
1 files changed, 129 insertions, 0 deletions
diff --git a/Src/Thread.cpp b/Src/Thread.cpp
new file mode 100644
index 0000000..b6bb01e
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+++ b/Src/Thread.cpp
@@ -0,0 +1,129 @@
+/*
+ * Video On Demand Samples
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#include "Thread.h"
+#include <string.h>
+#include "Console.h"
+
+CThread::CThread( const char *threadName, bool maxPrio ) : m_hThread( THREAD_STATE_DONE )
+{
+ strncpy( m_threadName, threadName, sizeof( m_threadName ) );
+ m_maxPrio = maxPrio;
+#ifdef THREAD_DEBUG
+ ConsolePrintf(PRIO_LOW, "===== Thread '%s' has been created =====\n", m_threadName);
+#endif
+}
+
+CThread::~CThread()
+{
+ Stop();
+ usleep( 10000 );
+ while( IsThreadRunning() )
+ {
+ ConsolePrintf( PRIO_LOW, "===== Thread '%s' is still running =====\n", m_threadName );
+ usleep( 1000000 );
+ }
+}
+
+void *CThread::RunInst( void *pInst )
+{
+ CThread *thread = ( CThread * )pInst;
+ if( NULL == thread )
+ return 0;
+
+ /* set thread priority: */
+ if( thread->m_maxPrio )
+ {
+ int ret;
+ pthread_t this_thread = pthread_self();
+ struct sched_param params;
+ params.sched_priority = sched_get_priority_max( SCHED_FIFO );
+ ret = pthread_setschedparam( this_thread, SCHED_FIFO, &params );
+ if( ret != 0 )
+ {
+ ConsolePrintf( PRIO_ERROR, "Thread %s: pthread_setschedparam(SCHED_FIFO) failed\n", thread->m_threadName );
+ }
+ // Now verify the change in thread priority
+ int policy = 0;
+ ret = pthread_getschedparam( this_thread, &policy, &params );
+ if( ret != 0 )
+ {
+ ConsolePrintf( PRIO_ERROR, "Thread %s: pthread_getschedparam() failed\n", thread->m_threadName );
+ }
+ if( policy != SCHED_FIFO )
+ {
+ ConsolePrintf( PRIO_ERROR, "Thread %s: Scheduling is NOT SCHED_FIFO!\n", thread->m_threadName );
+ }
+ else
+ {
+ ConsolePrintf( PRIO_LOW, "Thread %s: SCHED_FIFO OK\n", thread->m_threadName );
+ }
+ ConsolePrintf( PRIO_LOW, "Thread %s: Thread priority is %d\n", thread->m_threadName, params.sched_priority );
+ }
+
+ while( THREAD_STATE_STOPPING !=
+ thread->m_hThread )
+ { // until thread is marked for termination
+#ifdef THREAD_DEBUG
+ ConsolePrintf(PRIO_LOW, "+++++ Thread '%s' run before Run +++++\n", thread->m_threadName);
+#endif
+ ( ( CThread * )pInst )->Run();
+#ifdef THREAD_DEBUG
+ ConsolePrintf(PRIO_LOW, "----- Thread '%s' run after Run -----\n", thread->m_threadName);
+#endif
+ }
+
+ ( ( CThread * )pInst )->m_hThread = THREAD_STATE_DONE; // mark thread as done
+
+ return 0;
+}
+
+void CThread::Start()
+{
+ if( THREAD_STATE_DONE != m_hThread )
+ return;
+
+ struct sched_param param;
+ pthread_attr_t tattr;
+ pthread_attr_init( &tattr );
+ pthread_attr_getschedparam( &tattr, &param );
+ pthread_attr_setschedpolicy( &tattr, SCHED_RR );
+ if( m_maxPrio )
+ {
+ param.sched_priority = sched_get_priority_max( SCHED_RR );
+ pthread_attr_setschedparam( &tattr, &param );
+ // note: this doesn't seem to work, so we're setting prio in RunInst() now
+ }
+ pthread_create( &m_hThread, &tattr, CThread::RunInst, ( void * )this );
+}
+
+void CThread::Stop()
+{
+ if( m_hThread )
+ m_hThread = THREAD_STATE_STOPPING;
+}
+
+bool CThread::IsThreadRunning()
+{
+ return ( THREAD_STATE_DONE != m_hThread );
+}