kolibrios-fun/contrib/media/updf/include/menuet/ipc.h
right-hearted 4f7ee97ec9 uPDF with buttons
git-svn-id: svn://kolibrios.org@4680 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-03-22 21:00:40 +00:00

22 lines
494 B
C

#ifndef __MENUETOS_IPC_H
#define __MENUETOS_IPC_H
typedef struct {
volatile unsigned long lock;
unsigned long free_ptr;
char __mem[0];
} ipc_hdr_t;
typedef struct {
unsigned long sender_pid;
unsigned long msg_length;
char message[0];
} ipc_msg_t;
ipc_hdr_t * create_ipc(unsigned long size);
void register_ipc_mem(ipc_hdr_t * hdr);
void ipc_send_message(int dst_pid,ipc_msg_t * msg);
extern inline int ipc_messages_avail(ipc_hdr_t * hdr);
#endif