source: trunk/kernel/syscalls/sys_thread_sleep.c @ 479

Last change on this file since 479 was 479, checked in by viala@…, 3 years ago

[kern/syscall] Add void type to function prototypes with no parameter

File size: 1.7 KB
Line 
1/*
2 * sys_thread_sleep.c - put the calling thread in sleep state
3 *
4 * Author    Alain Greiner (2016,2017)
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#include <hal_special.h>
25#include <scheduler.h>
26#include <thread.h>
27#include <printk.h>
28
29//////////////////////
30int sys_thread_sleep( void )
31{
32
33    thread_t * this = CURRENT_THREAD;
34
35#if DEBUG_SYS_THREAD_SLEEP
36uint64_t     tm_start;
37uint64_t     tm_end;
38tm_start = hal_get_cycles();
39if( DEBUG_SYS_THREAD_SLEEP < tm_start )
40printk("\n[DBG] %s : thread %x blocked / process %x / cycle %d\n",
41__FUNCTION__ , this, this->process->pid , (uint32_t)tm_start );
42#endif
43
44    thread_block( XPTR( local_cxy , this ) , THREAD_BLOCKED_GLOBAL );
45    sched_yield("blocked on sleep");
46
47#if DEBUG_SYS_THREAD_SLEEP
48tm_end = hal_get_cycles();
49if( DEBUG_SYS_THREAD_SLEEP < tm_end )
50printk("\n[DBG] %s : thread %x resume / process %x / cycle %d\n",
51__FUNCTION__ , this, this->process->pid , (uint32_t)tm_end );
52#endif
53
54        return 0;
55
56}  // end sys_thread_sleep()
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