source: trunk/kernel/syscalls/sys_thread_wakeup.c @ 484

Last change on this file since 484 was 467, checked in by viala@…, 6 years ago

FIX: Undefined Macro define in sys_thread_wakeup

Found with -Wundef.

syscalls/sys_thread_wakeup.c: In function 'sys_thread_wakeup':
syscalls/sys_thread_wakeup.c:53:5: warning: "DEBUG_SISCALLS_ERROR" is not
defined, evaluates to 0 [-Wundef]

#if DEBUG_SISCALLS_ERROR

~

syscalls/sys_thread_wakeup.c:66:5: warning: "DEBUG_SISCALLS_ERROR" is not
defined, evaluates to 0 [-Wundef]

#if DEBUG_SISCALLS_ERROR

~

File size: 2.5 KB
RevLine 
[1]1/*
[23]2 * sys_thread_wakeup.c - wakeup all indicated threads
[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
[457]24#include <hal_kernel_types.h>
[23]25#include <thread.h>
26#include <printk.h>
27#include <process.h>
[1]28#include <errno.h>
29
[23]30//////////////////////////////////////
31int sys_thread_wakeup( trdid_t trdid )
[1]32{
[23]33        thread_t  * this    = CURRENT_THREAD;
34    process_t * process = this->process;
[1]35
[438]36#if DEBUG_SYS_THREAD_WAKEUP
[436]37uint64_t     tm_start;
38uint64_t     tm_end;
39tm_start = hal_get_cycles();
[438]40if( DEBUG_SYS_THREAD_WAKEUP < tm_start )
[436]41printk("\n[DBG] %s : thread %x enter / activate thread %x in process %x / cycle %d\n",
42__FUNCTION__ , this, trdid, this->process->pid, (uint32_t)tm_start );
43#endif
44
[23]45    // get target thread ltid and cxy
46    ltid_t   target_ltid = LTID_FROM_TRDID( trdid );
47    cxy_t    target_cxy  = CXY_FROM_TRDID( trdid );
[1]48
[23]49    // check trdid argument
50        if( (target_ltid >= CONFIG_THREAD_MAX_PER_CLUSTER) || cluster_is_undefined( target_cxy ) ) 
[1]51        {
[436]52
[467]53#if DEBUG_SYSCALLS_ERROR
[436]54printk("\n[ERROR] in %s : illegal trdid argument %x\n", __FUNCTION__, trdid );
55#endif
[23]56                this->errno = EINVAL;
57                return -1;
[1]58        }
59
[23]60    // get extended pointer on target thread
61    xptr_t thread_xp = thread_get_xptr( process->pid , trdid );
[1]62
[23]63    if( thread_xp == XPTR_NULL )
64    {
[436]65
[467]66#if DEBUG_SYSCALLS_ERROR
[436]67printk("\n[ERROR] in %s : cannot find thread %x in process %x/n",
68__FUNCTION__ , trdid , this->process->pid );
69#endif
[23]70        CURRENT_THREAD->errno = EINVAL;
71        return -1;
72    }
[1]73
[23]74    // unblock target thread
75    thread_unblock( thread_xp , THREAD_BLOCKED_GLOBAL );
[1]76
[438]77#if DEBUG_SYS_THREAD_WAKEUP
[436]78tm_end = hal_get_cycles();
[438]79if( DEBUG_SYS_THREAD_WAKEUP < tm_end )
[436]80printk("\n[DBG] %s : thread %x exit / thread %x in process %x activated / cycle %d\n",
81__FUNCTION__ , this, trdid, this->process->pid, (uint32_t)tm_end );
82#endif
83
[23]84    return 0;
[436]85
[23]86}  // end sys_thread_wakeup()
Note: See TracBrowser for help on using the repository browser.