/****************************************************************************/
/**  Kevin Webb                                                   gtg247r  **/
/**  Jon Olson                                                    gtg620b  **/
/****************************************************************************/

#ifndef _SHMEM_STUFF_H
#define _SHMEM_STUFF_H

#define IPC_KEY_FILE "/"
#define SHM_GLOBAL_KEY 0xf00d
#define SHM_THREAD_KEY 0xf00f

#define SHM_BUF_SIZE 512 * 1024

#include <pthread.h>

typedef struct {
    pthread_mutex_t request_mutex;
    pthread_cond_t request;
    pthread_mutex_t segment_id_mutex;
    pthread_cond_t ready;
    int requests_pending;
    int segment_id;
    int segment_count;
} shm_global_t;

typedef struct {
    pthread_mutex_t mutex;
    pthread_cond_t cond;
    int done;
    size_t data_size;
    char data[SHM_BUF_SIZE];
} shm_thread_t;

#endif /* _SHMEM_STUFF_H */