diff options
Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-taenca.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/s-taenca.ads | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-taenca.ads b/gcc-4.4.3/gcc/ada/s-taenca.ads deleted file mode 100644 index 6c8d66f57..000000000 --- a/gcc-4.4.3/gcc/ada/s-taenca.ads +++ /dev/null @@ -1,97 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . T A S K I N G . E N T R Y _ C A L L S -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- --- -- --- GNARL 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- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package provides internal RTS calls implementing operations --- that apply to general entry calls, that is, calls to either --- protected or task entries. - --- These declarations are not part of the GNARL Interface - -package System.Tasking.Entry_Calls is - - procedure Wait_For_Completion (Entry_Call : Entry_Call_Link); - -- This procedure suspends the calling task until the specified entry - -- call has either been completed or cancelled. It performs other - -- operations required of suspended tasks, such as performing - -- dynamic priority changes. On exit, the call will not be queued. - -- This waits for calls on task or protected entries. - -- Abortion must be deferred when calling this procedure. - -- Call this only when holding Self (= Entry_Call.Self) or global RTS lock. - - procedure Wait_For_Completion_With_Timeout - (Entry_Call : Entry_Call_Link; - Wakeup_Time : Duration; - Mode : Delay_Modes; - Yielded : out Boolean); - -- Same as Wait_For_Completion but wait for a timeout with the value - -- specified in Wakeup_Time as well. - -- On return, Yielded indicates whether the wait has performed a yield. - -- Check_Exception must be called after calling this procedure. - - procedure Wait_Until_Abortable - (Self_ID : Task_Id; - Call : Entry_Call_Link); - -- This procedure suspends the calling task until the specified entry - -- call is queued abortably or completes. - -- Abortion must be deferred when calling this procedure, and the global - -- RTS lock taken when Single_Lock. - - procedure Try_To_Cancel_Entry_Call (Succeeded : out Boolean); - pragma Inline (Try_To_Cancel_Entry_Call); - -- Try to cancel async. entry call. - -- Effect includes Abort_To_Level and Wait_For_Completion. - -- Cancelled = True iff the cancellation was successful, i.e., - -- the call was not Done before this call. - -- On return, the call is off-queue and the ATC level is reduced by one. - - procedure Reset_Priority - (Acceptor : Task_Id; - Acceptor_Prev_Priority : Rendezvous_Priority); - pragma Inline (Reset_Priority); - -- Reset the priority of a task completing an accept statement to - -- the value it had before the call. - -- Acceptor should always be equal to Self. - - procedure Check_Exception - (Self_ID : Task_Id; - Entry_Call : Entry_Call_Link); - pragma Inline (Check_Exception); - -- Raise any pending exception from the Entry_Call. - -- This should be called at the end of every compiler interface procedure - -- that implements an entry call. - -- In principle, the caller should not be abort-deferred (unless the - -- application program violates the Ada language rules by doing entry calls - -- from within protected operations -- an erroneous practice apparently - -- followed with success by some adventurous GNAT users). - -- Absolutely, the caller should not be holding any locks, or there - -- will be deadlock. - -end System.Tasking.Entry_Calls; |