Changeset 527 for trunk/kernel/kern/process.h

Timestamp:

Aug 30, 2018, 10:26:27 PM (5 years ago)

Author:

viala@…

Message:

Rewrite if-then-else return function into switch case.

For safety reason and performance:

1) Safety: GCC complain with a warning if you forgot an enum variant.
2) code-gen just outperform naive if-then-else.

File:

• trunk/kernel/kern/process.h (modified) (2 diffs)

trunk/kernel/kern/process.h

@@ -56 +56 @@
  ********************************************************************************************/
 
-enum process_sigactions
+typedef enum process_sigactions
 {
     BLOCK_ALL_THREADS    = 0x11,
     UNBLOCK_ALL_THREADS  = 0x22,
     DELETE_ALL_THREADS   = 0x33, 
-};
+} process_sigactions_t;
 
 /*********************************************************************************************
@@ -275 +275 @@
  * @ return a string pointer.
  ********************************************************************************************/
-char * process_action_str( uint32_t sigaction_type );
+const char * process_action_str( process_sigactions_t sigaction_type );
 
 /*********************************************************************************************