summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--motionMonitor/motionMonitor.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/motionMonitor/motionMonitor.c b/motionMonitor/motionMonitor.c
index d71d91b..04ae52d 100644
--- a/motionMonitor/motionMonitor.c
+++ b/motionMonitor/motionMonitor.c
@@ -2,7 +2,6 @@
#include "legato.h"
#include "util.h"
#include <pthread.h>
-#include <semaphore.h>
#define N_CHANGE_BLOCKS 200
@@ -32,7 +31,7 @@ static const double impactThreshold = 20.0;
Acceleration suddenImpact = {0, 0, 0};
pthread_t impactThread;
-sem_t impactMutex;
+pthread_mutex_t impactMutex;
/*
@@ -127,9 +126,9 @@ void *impactMonitor(void * ptr){
if(euclidian > impactThreshold){
LE_INFO("euclidian : %f", euclidian);
//3. add x, y, z to impact array
- sem_wait(&impactMutex);
+ pthread_mutex_lock(&impactMutex);
recordImpact(&x, &y, &z);
- sem_post(&impactMutex);
+ pthread_mutex_unlock(&impactMutex);
}
usleep(100*1000);
@@ -142,10 +141,10 @@ void *impactMonitor(void * ptr){
*/
void initThread(){
int thread, mutx;
-
+ LE_INFO("initThread called");
+ mutx = pthread_mutex_init(&impactMutex, NULL);
thread = pthread_create( &impactThread, NULL, impactMonitor, NULL);
- mutx = sem_init(&impactMutex, 0, 1);
-
+ LE_INFO("mutexResult: %d", mutx);
if(thread && mutx){
LE_INFO("Reader Thread Created");
}else{