source: trunk/libs/mini-libc/wait.h @ 449

Last change on this file since 449 was 449, checked in by alain, 4 years ago

Introduce several missing user libs.

File size: 2.0 KB
Line 
1/*
2 * wait.h - User level <wait> library definition.
3 *
4 * Author     Alain Greiner (2016,2017,2018)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef _WAIT_H_
25#define _WAIT_H_
26
27/*****************************************************************************************
28 * This file defines the user level, memory <wait> library.
29 * All these functions make a system call to access the kernel structures.
30 * The user/kernel shared structures and mnemonics are defined in
31 * the <kernel/syscalls/shared_include/shared_wait.h> file.
32 ****************************************************************************************/
33
34#include <shared_wait.h>
35
36/*****************************************************************************************
37 * This blocking function returns only when one child process of the calling process
38 * changes state (from RUNNING to STOPPED / EXITED / KILLED). It returns the terminating
39 * child process PID, and set in the <status> buffer the new child process state.
40 *****************************************************************************************
41 * @ status    : [out] terminating child process state.
42 * @ returns terminating child process pid.
43 ****************************************************************************************/
44int wait( int * status );
45
46#endif
47
Note: See TracBrowser for help on using the repository browser.