ipc.c File Reference

#include <ipc/ipc.h>
#include <libc.h>
#include <malloc.h>
#include <errno.h>
#include <adt/list.h>
#include <futex.h>
#include <fibril.h>

Go to the source code of this file.

Data Structures
struct	async_call_t
	Structures of this type are used for keeping track of sent asynchronous calls and queing unsent calls. More...
Functions
static void	dispatch_queued_calls (void)
	Try to dispatch queued calls from the async queue.
static void	handle_answer (ipc_callid_t callid, ipc_call_t *data)
	Handle received answer.
sysarg_t	ipc_answer_fast (ipc_callid_t callid, sysarg_t retval, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4)
	Answer received call (fast version).
sysarg_t	ipc_answer_slow (ipc_callid_t callid, sysarg_t retval, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5)
	Answer received call (entire payload).
void	ipc_call_async_fast (int phoneid, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, void *private, ipc_async_callback_t callback, bool can_preempt)
	Fast asynchronous call.
static ipc_callid_t	ipc_call_async_internal (int phoneid, ipc_call_t *data)
	Send asynchronous message via syscall.
void	ipc_call_async_slow (int phoneid, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, void *private, ipc_async_callback_t callback, bool can_preempt)
	Asynchronous call transmitting the entire payload.
int	ipc_call_sync_fast (int phoneid, sysarg_t method, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t *result1, sysarg_t *result2, sysarg_t *result3, sysarg_t *result4, sysarg_t *result5)
	Fast synchronous call.
int	ipc_call_sync_slow (int phoneid, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, sysarg_t *result1, sysarg_t *result2, sysarg_t *result3, sysarg_t *result4, sysarg_t *result5)
	Synchronous call transmitting 5 arguments of payload.
int	ipc_connect_kbox (task_id_t id)
	Connect to a task specified by id.
int	ipc_connect_me_to (int phoneid, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3)
	Request new connection.
int	ipc_connect_me_to_blocking (int phoneid, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3)
	Request new connection (blocking).
int	ipc_connect_to_me (int phoneid, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t *taskhash, sysarg_t *phonehash)
	Request callback connection.
int	ipc_data_read_finalize (ipc_callid_t callid, const void *src, size_t size)
	Wrapper for answering the IPC_M_DATA_READ calls.
int	ipc_data_read_start (int phoneid, void *dst, size_t size)
	Wrapper for IPC_M_DATA_READ calls.
int	ipc_data_write_finalize (ipc_callid_t callid, void *dst, size_t size)
	Wrapper for answering the IPC_M_DATA_WRITE calls.
int	ipc_data_write_start (int phoneid, const void *src, size_t size)
	Wrapper for IPC_M_DATA_WRITE calls.
static void	ipc_finish_async (ipc_callid_t callid, int phoneid, async_call_t *call, bool can_preempt)
	Epilog for ipc_call_async_*() functions.
int	ipc_forward_fast (ipc_callid_t callid, int phoneid, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, unsigned int mode)
	Forward a received call to another destination.
int	ipc_forward_slow (ipc_callid_t callid, int phoneid, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, unsigned int mode)
int	ipc_hangup (int phoneid)
	Hang up a phone.
void	ipc_poke (void)
	Interrupt one thread of this task from waiting for IPC.
static async_call_t *	ipc_prepare_async (void *private, ipc_async_callback_t callback)
	Prolog for ipc_call_async_*() functions.
int	ipc_share_in_finalize (ipc_callid_t callid, void *src, unsigned int flags)
	Wrapper for answering the IPC_M_SHARE_IN calls.
int	ipc_share_in_start (int phoneid, void *dst, size_t size, sysarg_t arg, unsigned int *flags)
	Wrapper for IPC_M_SHARE_IN calls.
int	ipc_share_out_finalize (ipc_callid_t callid, void *dst)
	Wrapper for answering the IPC_M_SHARE_OUT calls.
int	ipc_share_out_start (int phoneid, void *src, unsigned int flags)
	Wrapper for IPC_M_SHARE_OUT calls.
ipc_callid_t	ipc_trywait_for_call (ipc_call_t *call)
	Check if there is an IPC call waiting to be picked up.
ipc_callid_t	ipc_wait_cycle (ipc_call_t *call, sysarg_t usec, unsigned int flags)
	Wait for first IPC call to come.
ipc_callid_t	ipc_wait_for_call_timeout (ipc_call_t *call, sysarg_t usec)
	Wait for first IPC call to come.
	LIST_INITIALIZE (queued_calls)
	List of asynchronous calls that were not accepted by kernel.
Variables
static atomic_t	ipc_futex = FUTEX_INITIALIZER

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Detailed Description

Definition in file ipc.c.

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