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Ignore whitespace Rev 2660 → Rev 2662

/trunk/uspace/lib/libc/include/ipc/ipc.h
260,11 → 260,15
extern int ipc_unregister_irq(int inr, int devno);
extern int ipc_forward_fast(ipc_callid_t callid, int phoneid, int method,
ipcarg_t arg1, ipcarg_t arg2, int mode);
 
 
extern int ipc_data_read_send(int phoneid, void *dst, size_t size);
extern int ipc_data_read_receive(ipc_callid_t *callid, size_t *size);
extern int ipc_data_read_deliver(ipc_callid_t callid, void *src, size_t size);
extern int ipc_data_write_send(int phoneid, void *src, size_t size);
extern int ipc_data_write_receive(ipc_callid_t *callid, void **dst,
size_t *size);
extern ipcarg_t ipc_data_write_deliver(ipc_callid_t callid, void *dst,
size_t size);
extern int ipc_data_write_deliver(ipc_callid_t callid, void *dst, size_t size);
 
#endif
 
/trunk/uspace/lib/libc/generic/ipc.c
666,6 → 666,64
arg2, mode);
}
 
/** Wrapper for making IPC_M_DATA_READ calls.
*
* @param phoneid Phone that will be used to contact the receiving side.
* @param dst Address of the beginning of the destination buffer.
* @param size Size of the destination buffer.
*
* @return Zero on success or a negative error code from errno.h.
*/
int ipc_data_read_send(int phoneid, void *dst, size_t size)
{
return ipc_call_sync_2_0(phoneid, IPC_M_DATA_READ, (ipcarg_t) dst,
(ipcarg_t) size);
}
 
/** Wrapper for receiving the IPC_M_DATA_READ calls.
*
* This wrapper only makes it more comfortable to receive IPC_M_DATA_READ calls
* so that the user doesn't have to remember the meaning of each IPC argument.
*
* So far, this wrapper is to be used from within a connection fibril.
*
* @param callid Storage where the hash of the IPC_M_DATA_READ call will
* be stored.
* @param size Storage where the maximum size will be stored.
*
* @return Non-zero on success, zero on failure.
*/
int ipc_data_read_receive(ipc_callid_t *callid, size_t *size)
{
ipc_call_t data;
assert(callid);
 
*callid = async_get_call(&data);
if (IPC_GET_METHOD(data) != IPC_M_DATA_READ)
return 0;
assert(size);
*size = (size_t) IPC_GET_ARG2(data);
return 1;
}
 
/** Wrapper for answering the IPC_M_DATA_READ calls.
*
* This wrapper only makes it more comfortable to answer IPC_M_DATA_READ calls
* so that the user doesn't have to remember the meaning of each IPC argument.
*
* @param callid Hash of the IPC_M_DATA_READ call to answer.
* @param src Source address for the IPC_M_DATA_READ call.
* @param size Size for the IPC_M_DATA_READ call. Can be smaller than
* the maximum size announced by the sender.
*
* @return Zero on success or a value from @ref errno.h on failure.
*/
int ipc_data_read_deliver(ipc_callid_t callid, void *src, size_t size)
{
return ipc_answer_2(callid, EOK, (ipcarg_t) src, (ipcarg_t) size);
}
 
/** Wrapper for making IPC_M_DATA_WRITE calls.
*
* @param phoneid Phone that will be used to contact the receiving side.
723,7 → 781,7
*
* @return Zero on success or a value from @ref errno.h on failure.
*/
ipcarg_t ipc_data_write_deliver(ipc_callid_t callid, void *dst, size_t size)
int ipc_data_write_deliver(ipc_callid_t callid, void *dst, size_t size)
{
return ipc_answer_3(callid, EOK, (ipcarg_t) dst, 0, (ipcarg_t) size);
}