| 29,17 → 29,46 |
|---|
| #ifndef __IPC_H__ |
| #define __IPC_H__ |
| |
| #define IPC_CALL_LEN 2 |
| /* Length of data being transfered with IPC call */ |
| /* - the uspace may not be able to utilize full length */ |
| #define IPC_CALL_LEN 4 |
| |
| /* Flags for calls */ |
| #define IPC_CALL_ANSWERED 1 |
| #define IPC_CALL_ANSWERED 1 /**< This is answer to a call */ |
| #define IPC_CALL_STATIC_ALLOC 2 /**< This call will not be freed on error */ |
| |
| /* Flags for ipc_wait_for_call */ |
| #define IPC_WAIT_NONBLOCKING 1 |
| #define IPC_WAIT_NONBLOCKING 1 |
| |
| /* Flags of callid */ |
| #define IPC_CALLID_ANSWERED 1 |
| |
| /* Return values from IPC_ASYNC */ |
| #define IPC_CALLRET_FATAL -1 |
| #define IPC_CALLRET_TEMPORARY -2 |
| |
| |
| /* Macros for manipulating calling data */ |
| #define IPC_SET_RETVAL(data, retval) ((data)[0] = (retval)) |
| #define IPC_SET_METHOD(data, val) ((data)[0] = (val)) |
| #define IPC_SET_ARG1(data, val) ((data)[1] = (val)) |
| #define IPC_SET_ARG2(data, val) ((data)[2] = (val)) |
| #define IPC_SET_ARG3(data, val) ((data)[3] = (val)) |
| |
| #define IPC_GET_METHOD(data) ((data)[0]) |
| #define IPC_GET_RETVAL(data) ((data)[0]) |
| |
| #define IPC_GET_ARG1(data) ((data)[1]) |
| #define IPC_GET_ARG2(data) ((data)[2]) |
| #define IPC_GET_ARG3(data) ((data)[3]) |
| |
| /* Well known phone descriptors */ |
| #define PHONE_NS 0 |
| |
| #ifdef KERNEL |
| |
| #include <synch/waitq.h> |
| #include <synch/spinlock.h> |
| #include <synch/mutex.h> |
| #include <synch/condvar.h> |
| #include <adt/list.h> |
| |
| #define IPC_MAX_PHONES 16 |
| 57,7 → 86,8 |
|---|
| struct answerbox { |
| SPINLOCK_DECLARE(lock); |
| |
| waitq_t wq; |
| mutex_t mutex; |
| condvar_t cv; |
| |
| link_t connected_phones; /**< Phones connected to this answerbox */ |
| link_t calls; /**< Received calls */ |
| 72,7 → 102,6 |
|---|
| answerbox_t *callee; |
| } phone_t; |
| |
| extern void ipc_create_phonecompany(void); |
| extern void ipc_init(void); |
| extern call_t * ipc_wait_for_call(answerbox_t *box, int flags); |
| extern void ipc_answer(answerbox_t *box, call_t *request); |
| 82,10 → 111,11 |
|---|
| extern void ipc_phone_init(phone_t *phone, answerbox_t *box); |
| extern void ipc_call_free(call_t *call); |
| extern call_t * ipc_call_alloc(void); |
| void ipc_answerbox_init(answerbox_t *box); |
| void ipc_phone_init(phone_t *phone, answerbox_t *box); |
| extern void ipc_answerbox_init(answerbox_t *box); |
| extern void ipc_phone_init(phone_t *phone, answerbox_t *box); |
| extern void ipc_call_init(call_t *call); |
| |
| extern answerbox_t *ipc_central_box; |
| extern answerbox_t *ipc_phone_0; |
| |
| #endif |
| |