Initial data commit

Task/Concurrent-computing/C/concurrent-computing-1.c

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <pthread.h>
+
+pthread_mutex_t condm = PTHREAD_MUTEX_INITIALIZER;
+pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
+int bang = 0;
+
+#define WAITBANG() do { \
+   pthread_mutex_lock(&condm); \
+   while( bang == 0 ) \
+   { \
+      pthread_cond_wait(&cond, &condm); \
+   } \
+   pthread_mutex_unlock(&condm); } while(0);\
+
+void *t_enjoy(void *p)
+{
+  WAITBANG();
+  printf("Enjoy\n");
+  pthread_exit(0);
+}
+
+void *t_rosetta(void *p)
+{
+  WAITBANG();
+  printf("Rosetta\n");
+  pthread_exit(0);
+}
+
+void *t_code(void *p)
+{
+  WAITBANG();
+  printf("Code\n");
+  pthread_exit(0);
+}
+
+typedef void *(*threadfunc)(void *);
+int main()
+{
+   int i;
+   pthread_t a[3];
+   threadfunc p[3] = {t_enjoy, t_rosetta, t_code};
+
+   for(i=0;i<3;i++)
+   {
+     pthread_create(&a[i], NULL, p[i], NULL);
+   }
+   sleep(1);
+   bang = 1;
+   pthread_cond_broadcast(&cond);
+   for(i=0;i<3;i++)
+   {
+     pthread_join(a[i], NULL);
+   }
+}

Task/Concurrent-computing/C/concurrent-computing-2.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <omp.h>
+
+int main()
+{
+	const char *str[] = { "Enjoy", "Rosetta", "Code" };
+	#pragma omp parallel for num_threads(3)
+	for (int i = 0; i < 3; i++)
+		printf("%s\n", str[i]);
+	return 0;
+}