New files from Scott Christley

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@914 72102866-910b-0410-8b05-ffd578937521

Testing/Philosopher.m

@@ -0,0 +1,61 @@
+//
+// Philosopher.h
+//
+// A class of hungry philosophers
+//
+
+#include "Philosopher.h"
+
+extern id forks[5];
+
+@implementation Philosopher
+
+// Instance methods
+- (void)sitAtChair:(int)position
+{
+	int i;
+
+	// Sit down
+	chair = position;
+
+	// Its a constant battle to feed yourself
+	while (1)
+	{
+		// Get the fork to our left
+		[forks[chair] lockWhenCondition:FOOD_SERVED];
+
+		// Get the fork to our right
+		[forks[(chair + 1) % 5] lockWhenCondition:FOOD_SERVED];
+
+		// Start eating!
+		printf("Philosopher %d can start eating.\n", chair);
+
+		for (i = 0;i < 100000; ++i)
+		{
+			if ((i % 10000) == 0)
+				printf("Philosopher %d is eating.\n", chair);
+		}
+
+		// Done eating
+		printf("Philosopher %d is done eating.\n", chair);
+
+		// Drop the fork to our left
+		[forks[chair] unlock];
+
+		// Drop the fork to our right
+		[forks[(chair + 1) % 5] unlock];
+
+		// Wait until we are hungry again
+		for (i = 0;i < 1000000 * (chair + 1); ++i) ;
+	}
+
+	// We never get here, but this is what we should do
+	[NSThread exit];
+}
+
+- (int)chair
+{
+	return chair;
+}
+
+@end