Changeset 23 for trunk/kernel/syscalls/sys_thread_sleep.c

Timestamp:

Jun 18, 2017, 10:06:41 PM (7 years ago)

Author:

alain

Message:

Introduce syscalls.

File:

• trunk/kernel/syscalls/sys_thread_sleep.c (modified) (2 diffs)

trunk/kernel/syscalls/sys_thread_sleep.c

@@ -1 +1 @@
 /*
- * kern/sys_thread_sleep.c - puts the current thread in sleep state
+ * sys_thread_sleep.c - put the calling thread in sleep state
  * 
- * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
- * Copyright (c) 2011,2012 UPMC Sorbonne Universites
+ * Author    Alain Greiner (2016,2017)
  *
- * This file is part of ALMOS-kernel.
+ * Copyright (c) UPMC Sorbonne Universites
  *
- * ALMOS-kernel is free software; you can redistribute it and/or modify it
+ * This file is part of ALMOS-MKH.
+ *
+ * ALMOS-MKH is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2.0 of the License.
  *
- * ALMOS-kernel is distributed in the hope that it will be useful, but
+ * ALMOS-MKH is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ -17 +18 @@
  *
  * You should have received a copy of the GNU General Public License
- * along with ALMOS-kernel; if not, write to the Free Software Foundation,
+ * along with ALMOS-MKH; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <hal_special.h>
 #include <scheduler.h>
 #include <thread.h>
-#include <task.h>
+#include <printk.h>
 
+//////////////////////
 int sys_thread_sleep()
 {
-        struct thread_s *this;
+    thread_t * this = CURRENT_THREAD;
 
-        this = current_thread;
+    thread_dmsg("\n[INFO] %s : thread %x in process %x goes to sleep at cycle %d\n",
+                __FUNCTION__ , this->trdid , this->process->pid , hal_time_stamp() );
 
-        if(this->info.isTraced == true)
-        {
-                printk(INFO, "%s: cpu %d, pid %d, tid %d, asked to go sleep [%d]\n", 
-                       __FUNCTION__,
-                       cpu_get_id(),
-                       this->task->pid,
-                       this->info.order,
-                       cpu_time_stamp());
-        }
+    thread_block( CURRENT_THREAD , THREAD_BLOCKED_GLOBAL );
+    sched_yield();
 
-        thread_set_cap_wakeup(this);
-        sched_sleep(this);
-  
-        if(this->info.isTraced == true)
-        {
-                printk(INFO, "%s: cpu %d, pid %d, tid %d, resuming [%d]\n",
-                       __FUNCTION__,
-                       cpu_get_id(),
-                       this->task->pid,
-                       this->info.order,
-                       cpu_time_stamp());
-        } 
+    thread_dmsg("\n[INFO] %s : thread %x in process %x resume at cycle\n",
+                __FUNCTION__ , this->trdid , this->process->pid , hal_time_stamp() );
 
         return 0;
-}
+}  // end sys_thread_sleep()