#include <stdatomic.h>
-#define TRUE 1
-#define FALSE 0
-
#define MAX_NODES 0xf
-#define MAX_SERIAL 10000
typedef unsigned long long pointer;
typedef atomic_ullong pointer_t;
static inline void set_count(pointer *p, unsigned int val) { *p = (*p & ~COUNT_MASK) | ((pointer)val << 32); }
static inline void set_ptr(pointer *p, unsigned int val) { *p = (*p & ~PTR_MASK) | val; }
-static inline unsigned int get_count(pointer p) { return p & PTR_MASK; }
-static inline unsigned int get_ptr(pointer p) { return (p & COUNT_MASK) >> 32; }
+static inline unsigned int get_count(pointer p) { return (p & COUNT_MASK) >> 32; }
+static inline unsigned int get_ptr(pointer p) { return p & PTR_MASK; }
typedef struct node {
unsigned int value;
pointer_t next;
- unsigned int foo[30];
} node_t;
-typedef struct private {
- unsigned int node;
- unsigned int value;
- unsigned int serial[MAX_SERIAL];
-} private_t;
-
-typedef struct shared_mem {
+typedef struct {
pointer_t head;
- unsigned int foo1[31];
pointer_t tail;
- unsigned int foo2[31];
- node_t nodes[MAX_NODES+1];
- unsigned int serial;
-} shared_mem_t;
+ node_t nodes[MAX_NODES + 1];
+} queue_t;
-void init_private(int pid);
-void init_memory();
-void init_queue();
-unsigned int dequeue();
+void init_queue(queue_t *q, int num_threads);
+void enqueue(queue_t *q, unsigned int val);
+bool dequeue(queue_t *q, unsigned int *retVal);
+int get_thread_num();