Changeset 436 for trunk/kernel/syscalls/sys_thread_wakeup.c

Timestamp:

Mar 7, 2018, 9:02:03 AM (6 years ago)

Author:

alain

Message:

1) improve the threads and process destruction mechanism.
2) introduce FIFOs in the soclib_tty driver.

File:

• trunk/kernel/syscalls/sys_thread_wakeup.c (modified) (4 diffs)

trunk/kernel/syscalls/sys_thread_wakeup.c

@@ -34 +34 @@
     process_t * process = this->process;
 
+#if CONFIG_DEBUG_SYS_THREAD_WAKEUP
+uint64_t     tm_start;
+uint64_t     tm_end;
+tm_start = hal_get_cycles();
+if( CONFIG_DEBUG_SYS_THREAD_WAKEUP < tm_start )
+printk("\n[DBG] %s : thread %x enter / activate thread %x in process %x / cycle %d\n",
+__FUNCTION__ , this, trdid, this->process->pid, (uint32_t)tm_start );
+#endif
+
     // get target thread ltid and cxy
     ltid_t   target_ltid = LTID_FROM_TRDID( trdid );
@@ -41 +50 @@
         if( (target_ltid >= CONFIG_THREAD_MAX_PER_CLUSTER) || cluster_is_undefined( target_cxy ) )  
         {
-        printk("\n[ERROR] in %s : illegal trdid argument\n", __FUNCTION__ );
+
+#if CONFIG_DEBUG_SISCALLS_ERROR
+printk("\n[ERROR] in %s : illegal trdid argument %x\n", __FUNCTION__, trdid );
+#endif
                 this->errno = EINVAL;
                 return -1;
@@ -51 +63 @@
     if( thread_xp == XPTR_NULL )
     {
-        printk("\n[ERROR] in %s : cannot find thread %x in process %x/n",
-               __FUNCTION__ , trdid , CURRENT_THREAD->process->pid );
+
+#if CONFIG_DEBUG_SISCALLS_ERROR
+printk("\n[ERROR] in %s : cannot find thread %x in process %x/n",
+__FUNCTION__ , trdid , this->process->pid );
+#endif
         CURRENT_THREAD->errno = EINVAL;
         return -1;
@@ -60 +75 @@
     thread_unblock( thread_xp , THREAD_BLOCKED_GLOBAL );
 
+#if CONFIG_DEBUG_SYS_THREAD_WAKEUP
+tm_end = hal_get_cycles();
+if( CONFIG_DEBUG_SYS_THREAD_WAKEUP < tm_end )
+printk("\n[DBG] %s : thread %x exit / thread %x in process %x activated / cycle %d\n",
+__FUNCTION__ , this, trdid, this->process->pid, (uint32_t)tm_end );
+#endif
+
     return 0;
+
 }  // end sys_thread_wakeup()