| 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)); |
| } |