update

thread.c

@@ -0,0 +1,71 @@
+
+
+#include "stdio.h"
+#include "pthread.h"
+
+pthread_mutex_t mutex;
+pthread_cond_t condition;
+
+unsigned int i = 0;
+
+void *threadFunc1(void *arg){
+
+	pthread_mutex_lock(&mutex);	
+	pthread_cond_wait(&condition,&mutex);
+	pthread_mutex_unlock(&mutex);
+
+	printf("aaaaaaa  %d\n",i);
+	pthread_exit((void *)0);
+
+}
+
+
+void *threadFunc2(void *arg){
+
+	pthread_mutex_lock(&mutex);	
+	pthread_cond_wait(&condition,&mutex); //??? 这里人存在问题
+	pthread_mutex_unlock(&mutex);
+
+	printf("vbbbbbbbbbb %d\n",i);
+	pthread_exit((void *)0);
+
+}
+
+
+int main(int argc, char const *argv[])
+{
+	
+	pthread_mutex_init(&mutex,NULL);
+	pthread_cond_init(&condition,NULL);
+
+	pthread_t thread1,thread2;
+	pthread_create(&thread1,NULL,threadFunc1,(void *)0);
+	pthread_create(&thread2,NULL,threadFunc2,(void *)0);
+
+	while(1){
+
+		pthread_mutex_lock(&mutex);
+		i++;
+		pthread_mutex_unlock(&mutex);
+
+		if (i==100000000)
+		{
+			//
+			pthread_cond_broadcast(&condition);
+			break;	
+
+		}
+
+	}
+
+	pthread_join(thread1,NULL);
+	pthread_join(thread2,NULL);
+
+	pthread_cond_destroy(&condition);
+	pthread_mutex_destroy(&mutex);
+
+
+	return 0;
+}
+
+