source: trunk/kernel/syscalls/sys_thread_sleep.c @ 459

Last change on this file since 459 was 438, checked in by alain, 4 years ago

Fix a bug in scheduler related to RPC blocking.

File size: 1.6 KB
RevLine 
[1]1/*
[23]2 * sys_thread_sleep.c - put the calling thread in sleep state
[1]3 *
[23]4 * Author    Alain Greiner (2016,2017)
[1]5 *
[23]6 * Copyright (c) UPMC Sorbonne Universites
[1]7 *
[23]8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
[1]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 *
[23]14 * ALMOS-MKH is distributed in the hope that it will be useful, but
[1]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
[23]20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
[1]21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
[23]24#include <hal_special.h>
[1]25#include <scheduler.h>
26#include <thread.h>
[23]27#include <printk.h>
[1]28
[23]29//////////////////////
[1]30int sys_thread_sleep()
31{
[436]32
[296]33    thread_t * this = CURRENT_THREAD;
34
[438]35#if DEBUG_SYS_THREAD_SLEEP
[436]36uint64_t     tm_start;
37uint64_t     tm_end;
38tm_start = hal_get_cycles();
[438]39if( DEBUG_SYS_THREAD_SLEEP < tm_start )
[436]40printk("\n[DBG] %s : thread %x blocked / process %x / cycle %d\n",
41__FUNCTION__ , this, this->process->pid , (uint32_t)tm_start );
42#endif
[1]43
[436]44    thread_block( XPTR( local_cxy , this ) , THREAD_BLOCKED_GLOBAL );
[408]45    sched_yield("blocked on sleep");
[1]46
[438]47#if DEBUG_SYS_THREAD_SLEEP
[436]48tm_end = hal_get_cycles();
[438]49if( DEBUG_SYS_THREAD_SLEEP < tm_end )
[436]50printk("\n[DBG] %s : thread %x resume / process %x / cycle %d\n",
51__FUNCTION__ , this, this->process->pid , (uint32_t)tm_end );
52#endif
[1]53
54        return 0;
[436]55
[23]56}  // end sys_thread_sleep()
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