Changeset 581 for trunk/kernel/kern/process.c

Timestamp:

Oct 10, 2018, 3:11:53 PM (6 years ago)

Author:

alain

Message:

1) Improve the busylock debug infrastructure.
2) introduce a non-distributed, but portable implementation for the pthread_barrier.

File:

• trunk/kernel/kern/process.c (modified) (5 diffs)

trunk/kernel/kern/process.c

@@ -112 +112 @@
     cxy_t       chdev_cxy;
     pid_t       parent_pid;
-    lpid_t      process_lpid;
-    lpid_t      parent_lpid;
 
     // get parent process cluster and local pointer
@@ -121 +119 @@
     // get parent_pid
     parent_pid = hal_remote_l32( XPTR( parent_cxy , &parent_ptr->pid ) );
-
-    // get process and parent lpid
-    process_lpid = LPID_FROM_PID( pid );
-    parent_lpid  = LPID_FROM_PID( parent_pid ); 
 
 #if DEBUG_PROCESS_REFERENCE_INIT
@@ -156 +150 @@
 
     // define the stdin/stdout/stderr pseudo files <=> select a TXT terminal.
-    if( (process_lpid == 1) ||     // INIT process
-        (parent_lpid  == 1) )      // KSH  process
-    {
-        // allocate a TXT channel
-        if( process_lpid == 1 )  txt_id = 0;                     // INIT
-        else                     txt_id = process_txt_alloc();   // KSH
+    if( (pid == 1) || (parent_pid  == 1) )      // INIT or KSH  process
+    {
+        // select a TXT channel
+        if( pid == 1 )  txt_id = 0;                     // INIT
+        else            txt_id = process_txt_alloc();   // KSH
 
         // attach process to TXT
@@ -1791 +1784 @@
     if( txt_owner_xp == process_xp )
     {
-        nolock_printk("PID %X | PPID %X | TS %X | %s (FG) | %X | %d | %s\n", 
-        pid, ppid, state, txt_name, process_ptr, th_nr, elf_name );
+        nolock_printk("PID %X | %s (FG) | %X | PPID %X | TS %X | %d | %s\n", 
+        pid, txt_name, process_ptr, ppid, state, th_nr, elf_name );
     }
     else
     {
-        nolock_printk("PID %X | PPID %X | TS %X | %s (BG) | %X | %d | %s\n", 
-        pid, ppid, state, txt_name, process_ptr, th_nr, elf_name );
+        nolock_printk("PID %X | %s (BG) | %X | PPID %X | TS %X | %d | %s\n", 
+        pid, txt_name, process_ptr, ppid, state, th_nr, elf_name );
     }
 }  // end process_display() 
@@ -1806 +1799 @@
 ////////////////////////////////////////////////////////////////////////////////////////
 
-////////////////////////////
+//////////////////////////////////
 uint32_t process_txt_alloc( void )
 {