diff options
Diffstat (limited to 'gcc/ada/g-socket.ads')
-rw-r--r-- | gcc/ada/g-socket.ads | 58 |
1 files changed, 35 insertions, 23 deletions
diff --git a/gcc/ada/g-socket.ads b/gcc/ada/g-socket.ads index 7529c05..6268545 100644 --- a/gcc/ada/g-socket.ads +++ b/gcc/ada/g-socket.ads @@ -6,7 +6,7 @@ -- -- -- S p e c -- -- -- --- Copyright (C) 2001-2005 Ada Core Technologies, Inc. -- +-- Copyright (C) 2001-2005, AdaCore -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- @@ -489,7 +489,7 @@ package GNAT.Sockets is Host_Error : exception; -- Exception raised by the two following procedures. Once raised, its -- message contains a string describing the error code. This exception is - -- raised when an host entry can not be retrieved. + -- raised when an host entry cannot be retrieved. function Get_Host_By_Address (Address : Inet_Addr_Type; @@ -595,6 +595,16 @@ package GNAT.Sockets is Unknown_Server_Error, Cannot_Resolve_Error); + -- Timeval_Duration is a subtype of Standard.Duration because the full + -- range of Standard.Duration cannot be represented in the equivalent C + -- structure. Moreover, negative values are not allowed to avoid system + -- incompatibilities. + + Immediate : constant := 0.0; + Forever : constant := Duration (Integer'Last) * 1.0; + + subtype Timeval_Duration is Duration range Immediate .. Forever; + -- Get_Socket_Options and Set_Socket_Options manipulate options associated -- with a socket. Options may exist at multiple protocol levels in the -- communication stack. Socket_Level is the uppermost socket level. @@ -610,18 +620,21 @@ package GNAT.Sockets is -- a boolean to enable or disable this option. type Option_Name is ( - Keep_Alive, -- Enable sending of keep-alive messages - Reuse_Address, -- Allow bind to reuse local address - Broadcast, -- Enable datagram sockets to recv/send broadcast packets - Send_Buffer, -- Set/get the maximum socket send buffer in bytes - Receive_Buffer, -- Set/get the maximum socket recv buffer in bytes - Linger, -- Shutdown wait for msg to be sent or timeout occur - Error, -- Get and clear the pending socket error - No_Delay, -- Do not delay send to coalesce packets (TCP_NODELAY) - Add_Membership, -- Join a multicast group - Drop_Membership, -- Leave a multicast group - Multicast_TTL, -- Indicate the time-to-live of sent multicast packets - Multicast_Loop); -- Sent multicast packets are looped to the local socket + Keep_Alive, -- Enable sending of keep-alive messages + Reuse_Address, -- Allow bind to reuse local address + Broadcast, -- Enable datagram sockets to recv/send broadcasts + Send_Buffer, -- Set/get the maximum socket send buffer in bytes + Receive_Buffer, -- Set/get the maximum socket recv buffer in bytes + Linger, -- Shutdown wait for msg to be sent or timeout occur + Error, -- Get and clear the pending socket error + No_Delay, -- Do not delay send to coalesce packets (TCP_NODELAY) + Add_Membership, -- Join a multicast group + Drop_Membership, -- Leave a multicast group + Multicast_If, -- Set default outgoing interface for multicast packets + Multicast_TTL, -- Indicate the time-to-live of sent multicast packets + Multicast_Loop, -- Sent multicast packets are looped to local socket + Send_Timeout, -- Set timeout value for output + Receive_Timeout); -- Set timeout value for input type Option_Type (Name : Option_Name := Keep_Alive) is record case Name is @@ -652,9 +665,16 @@ package GNAT.Sockets is Multicast_Address : Inet_Addr_Type; Local_Interface : Inet_Addr_Type; + when Multicast_If => + Outgoing_If : Inet_Addr_Type; + when Multicast_TTL => Time_To_Live : Natural; + when Send_Timeout | + Receive_Timeout => + Timeout : Timeval_Duration; + end case; end record; @@ -935,15 +955,7 @@ package GNAT.Sockets is type Selector_Type is limited private; type Selector_Access is access all Selector_Type; - -- Selector_Duration is a subtype of Standard.Duration because the full - -- range of Standard.Duration cannot be represented in the equivalent C - -- structure. Moreover, negative values are not allowed to avoid system - -- incompatibilities. - - Immediate : constant := 0.0; - Forever : constant := Duration (Integer'Last) * 1.0; - - subtype Selector_Duration is Duration range Immediate .. Forever; + subtype Selector_Duration is Timeval_Duration; procedure Create_Selector (Selector : out Selector_Type); -- Create a new selector |