L4::Ipc::Msg::Clnt_noops< T > Struct Template Reference

Empty client side marshalling code. More...

#include <ipc_basics>

Inheritance diagram for L4::Ipc::Msg::Clnt_noops< T >:

Collaboration diagram for L4::Ipc::Msg::Clnt_noops< T >:

Static Public Member Functions
static constexpr int	to_msg_data (char *msg, unsigned offset, unsigned limit, T const &arg) noexcept
	Write IPC data of arg into UTCB.
static constexpr int	to_msg_items (char *msg, unsigned offset, unsigned limit, T const &arg) noexcept
	Write IPC send items of arg into UTCB.
static constexpr int	to_msg_buffers (char *brs, unsigned offset, unsigned limit, T const &arg) noexcept
	Setup receive buffers for object capabilities in UTCB.
static constexpr int	from_msg_data (char *msg, unsigned offset, unsigned limit, T &arg) noexcept
	Read IPC data for arg from UTCB.
static constexpr int	from_msg_items (char *msg, unsigned offset, unsigned limit, T &arg) noexcept
	Read IPC return items for arg from UTCB.

Detailed Description

template<typename T>
struct L4::Ipc::Msg::Clnt_noops< T >

Empty client side marshalling code.

Used as basis for concrete marshalling code.

Definition at line 193 of file ipc_basics.

Member Function Documentation

from_msg_data()

template<typename T>

constexpr int L4::Ipc::Msg::Clnt_noops< T >::from_msg_data ( char * msg, unsigned offset, unsigned limit, T & arg )

inlinestaticconstexprnoexcept

Read IPC data for arg from UTCB.

Called only for output arguments.

Parameters

	msg	Pointer to first filled UTCB MR
	offset	Byte offset into UTCB MRs
	limit	Number of bytes available in msg array
[out]	arg	The IPC argument

Return values

<0	Error code
>=0	Offset into msg for next IPC argument

Definition at line 263 of file ipc_basics.

from_msg_items()

template<typename T>

constexpr int L4::Ipc::Msg::Clnt_noops< T >::from_msg_items ( char * msg, unsigned offset, unsigned limit, T & arg )

inlinestaticconstexprnoexcept

Read IPC return items for arg from UTCB.

Called only for output arguments.

Parameters

	msg	Pointer to first filled UTCB MR
	offset	Byte offset into UTCB MRs
	limit	Number of bytes available in msg array
[out]	arg	The IPC argument

Return values

<0	Error code
>=0	Offset into msg for next IPC argument

Definition at line 282 of file ipc_basics.

to_msg_buffers()

template<typename T>

constexpr int L4::Ipc::Msg::Clnt_noops< T >::to_msg_buffers ( char * brs, unsigned offset, unsigned limit, T const & arg )

inlinestaticconstexprnoexcept

Setup receive buffers for object capabilities in UTCB.

Called only for output arguments.

Parameters

brs	Pointer to first usable UTCB BR
offset	Byte offset into UTCB BRs
limit	Maximum number of bytes available in brs array
arg	The IPC argument

Return values

<0	Error code
>=0	Offset into brs for next IPC argument

Definition at line 244 of file ipc_basics.

to_msg_data()

template<typename T>

constexpr int L4::Ipc::Msg::Clnt_noops< T >::to_msg_data ( char * msg, unsigned offset, unsigned limit, T const & arg )

inlinestaticconstexprnoexcept

Write IPC data of arg into UTCB.

Called only for input arguments.

Parameters

msg	Pointer to first usable UTCB MR
offset	Byte offset into UTCB MRs
limit	Maximum number of bytes available in msg array
arg	The IPC argument

Return values

<0	Error code
>=0	Offset into msg for next IPC argument

Definition at line 208 of file ipc_basics.

to_msg_items()

template<typename T>

constexpr int L4::Ipc::Msg::Clnt_noops< T >::to_msg_items ( char * msg, unsigned offset, unsigned limit, T const & arg )

inlinestaticconstexprnoexcept

Write IPC send items of arg into UTCB.

Called only for input arguments.

Parameters

msg	Pointer to first usable UTCB MR
offset	Byte offset into UTCB MRs
limit	Maximum number of bytes available in msg array
arg	The IPC argument

Return values

<0	Error code
>=0	Offset into msg for next IPC argument

Definition at line 226 of file ipc_basics.

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The documentation for this struct was generated from the following file:

• l4/sys/cxx/ipc_basics