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#include <unistd.h>
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#include <unistd.h>
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#include <futex.h>
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#include <futex.h>
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#include <kernel/synch/synch.h>
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#include <kernel/synch/synch.h>
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#include <async.h>
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#include <async.h>
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#include <fibril.h>
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#include <fibril.h>
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#include <assert.h>
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/**
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/**
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 * Structures of this type are used for keeping track of sent asynchronous calls
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 * Structures of this type are used for keeping track of sent asynchronous calls
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 * and queing unsent calls.
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 * and queing unsent calls.
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 */
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 */
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int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method, ipcarg_t arg1)
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int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method, ipcarg_t arg1)
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{
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{
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    return __SYSCALL4(SYS_IPC_FORWARD_FAST, callid, phoneid, method, arg1);
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    return __SYSCALL4(SYS_IPC_FORWARD_FAST, callid, phoneid, method, arg1);
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}
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}
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/** Wrapper for accepting the IPC_M_DATA_SEND calls.
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 *
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 * This wrapper only makes it more comfortable to accept IPC_M_DATA_SEND calls
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 * so that the user doesn't have to remember the meaning of each IPC argument.
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 *
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 * So far, this wrapper is to be used from within a connection fibril.
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 *
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 * @param callid    Storage where the hash of the IPC_M_DATA_SEND call will
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 *          be stored.
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 * @param call      Storage where the incoming call will be stored.
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 * @param dst       Storage where the suggested destination address will
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 *          be stored. May be NULL.
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 * @param size      Storage where the suggested size will be stored. May be
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 *          NULL
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 *
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 * @return      Non-zero on success, zero on failure.
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 */
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int ipc_data_send_accept(ipc_callid_t *callid, ipc_call_t *call, void **dst,
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    size_t *size)
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{
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    assert(callid);
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    assert(call);
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    *callid = async_get_call(call);
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    if (IPC_GET_METHOD(*call) != IPC_M_DATA_SEND)
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        return 0;
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    if (dst)
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        *dst = (void *) IPC_GET_ARG1(*call);
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    if (size)
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        *size = (size_t) IPC_GET_ARG3(*call);
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    return 1;
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}
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/** Wrapper for answering the IPC_M_DATA_SEND calls.
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 *
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 * This wrapper only makes it more comfortable to answer IPC_M_DATA_SEND calls
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 * so that the user doesn't have to remember the meaning of each IPC argument.
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 *
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 * @param callid    Hash of the IPC_M_DATA_SEND call to answer.
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 * @param call      Call structure with the request.
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 * @param dst       Final destination address for the IPC_M_DATA_SEND call.
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 * @param size      Final size for the IPC_M_DATA_SEND call.
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 *
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 * @return      Zero on success or a value from @ref errno.h on failure.
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 */
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ipcarg_t ipc_data_send_answer(ipc_callid_t callid, ipc_call_t *call, void *dst,     size_t size)
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{
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    IPC_SET_RETVAL(*call, EOK);
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    IPC_SET_ARG1(*call, (ipcarg_t) dst);
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    IPC_SET_ARG3(*call, (ipcarg_t) size);
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    return ipc_answer(callid, call);
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}
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/** @}
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/** @}
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 */
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 */