0,0 → 1,77 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
ipc_wait_t call_func(args) |
{ |
} |
|
ipc_wait_t fire_function(args) |
{ |
stack = malloc(stacksize); |
setup(stack); |
add_to_list_of_ready_funcs(stack); |
if (threads_waiting_for_message) |
send_message_to_self_to_one_up(); |
} |
|
void discard_result(ipc_wait_t funcid) |
{ |
} |
|
int wait_result(ipc_wait_t funcid); |
{ |
save_context(self); |
restart: |
if result_available() { |
if in_list_of_ready(self): |
tear_off_list(self); |
return retval; |
} |
add_to_waitlist_of(funcid); |
|
take_something_from_list_of_ready(); |
if something { |
|
restore_context(something); |
} else { /* nothing */ |
wait_for_call(); |
if (answer) { |
mark_result_ready(); |
put_waiting_thread_to_waitlist(); |
|
goto restart; |
} |
} |
|
} |
|
|
int ipc_call_sync(args) |
{ |
return ipc_wait(call_func(args)); |
} |