Changeset 1303 in kBuild for trunk/src/kmk

Timestamp:

Dec 1, 2007 11:17:46 PM (17 years ago)

Author:

bird

Message:

Added an --affinity option.

File:

• trunk/src/kmk/main.c (modified) (6 diffs)

trunk/src/kmk/main.c

@@ -312 +312 @@
     4 = realtime / nice -19; */
 int process_priority = 0;
-#endif
+
+/* Process affinity mask; 0 means any CPU. */
+int process_affinity = 0;
+#endif /* KMK */
 
 
@@ -431 +434 @@
 #endif
 #ifdef KMK
-    { CHAR_MAX+5, positive_int, (char *) &process_priority, 1, 1, 0,
+    { CHAR_MAX+6, positive_int, (char *) &process_priority, 1, 1, 0,
       (char *) &process_priority, (char *) &process_priority, "priority" },
+    { CHAR_MAX+7, positive_int, (char *) &process_affinity, 1, 1, 0,
+      (char *) &process_affinity, (char *) &process_affinity, "affinity" },
 #endif
     { 'q', flag, &question_flag, 1, 1, 1, 0, 0, "question" },
@@ -711 +716 @@
 #ifdef KMK
 static void
-set_make_priority (void)
+set_make_priority_and_affinity (void)
 {
 #ifdef WINDOWS32
@@ -726 +731 @@
     }
   SetPriorityClass(GetCurrentProcess(), dwPriority);
+  if (process_affinity)
+    SetThreadAffinityMask(GetCurrentProcess(), process_affinity);
+
 #else /*#elif HAVE_NICE */
   int nice_level = 0;
@@ -740 +748 @@
   nice (nice_level);
 #endif
+  /** @todo bitch about failures. */
 }
 #endif
@@ -1491 +1500 @@
 
 #ifdef KMK
-  set_make_priority ();
+  set_make_priority_and_affinity ();
 #endif