Changeset 416 for trunk/kernel/syscalls/sys_exit.c

Timestamp:

Jan 4, 2018, 10:05:47 AM (6 years ago)

Author:

alain

Message:

Improve sys_exec.

File:

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

trunk/kernel/syscalls/sys_exit.c

@@ -1 +1 @@
 /*
- * sys_exit.c: Terminate the calling process.
+ * sys_exit.c - Kernel function implementing the "exit" system call.
  * 
  * Author    Alain Greiner (2016,2017)
@@ -38 +38 @@
     uint32_t    save_sr;       // required to enable IRQs
 
+    thread_t  * this = CURRENT_THREAD;
+    pid_t       pid  = this->process->pid;
+
 #if CONFIG_SYSCALL_DEBUG
 uint64_t    tm_start;
 uint64_t    tm_end;
 tm_start = hal_get_cycles();
+printk("\n[DBG] %s : core[%x,%d] enter / process %x / status %x / cycle %d\n",
+__FUNCTION__ , local_cxy , this->core->lid , pid , status , (uint32_t)tm_start );
 #endif
 
-    thread_t  * this    = CURRENT_THREAD;
-    process_t * process = this->process;
-
     // get owner process cluster 
-    cxy_t   owner_cxy  = CXY_FROM_PID( process->pid );
+    cxy_t   owner_cxy  = CXY_FROM_PID( pid );
 
     // enable IRQs
@@ -56 +58 @@
     if( local_cxy == owner_cxy )                                // owner is local 
     {
-        process_make_exit( process , status );
+        process_make_exit( pid , status );
     }
     else                                                        // owner is remote
     {
-        rpc_process_make_exit_client( owner_cxy, process , status );
+        rpc_process_make_exit_client( owner_cxy, pid , status );
     }
 
@@ -70 +72 @@
 #if CONFIG_SYSCALL_DEBUG
 tm_end = hal_get_cycles();
-syscall_dmsg("\n[DBG] %s exit : core[%x,%d] / thread %x in process %x / cycle %d\n"
-"process %x killed / cost = %d\n",
-__FUNCTION__ , local_cxy , this->core->lid , this->trdid , this->process->pid ,
-tm_start , pid , (uint32_t)(tm_end - tm_start) );
+printk("\n[DBG] %s : core[%x,%d] exit / process %x / status %x / cost = %d\n",
+__FUNCTION__ , local_cxy , this->core->lid , pid , status , (uint32_t)(tm_end - tm_start) );
 #endif