Changeset 3051 in kBuild for trunk/src/kmk/w32/subproc

Timestamp:

Jul 24, 2017 10:59:59 AM (8 years ago)

Author:

bird

Message:

kmk,kWorker: More aggressive handling of --nice (and --priority) on windows.

File:

• trunk/src/kmk/w32/subproc/sub_proc.c (modified) (3 diffs)

trunk/src/kmk/w32/subproc/sub_proc.c

@@ -548 +548 @@
 #ifdef KMK
         size_t exec_path_len;
+        extern int process_priority;
 
         assert (pproc->enmType == kRegular);
@@ -716 +717 @@
                 else if (argv[0])
                         kmk_cache_exec_image(argv[0]);
+
+                switch (process_priority) {
+                case 1: flags |= CREATE_SUSPENDED | IDLE_PRIORITY_CLASS; break;
+                case 2: flags |= CREATE_SUSPENDED | BELOW_NORMAL_PRIORITY_CLASS; break;
+                case 3: flags |= CREATE_SUSPENDED | NORMAL_PRIORITY_CLASS; break;
+                case 4: flags |= CREATE_SUSPENDED | HIGH_PRIORITY_CLASS; break;
+                case 5: flags |= CREATE_SUSPENDED | REALTIME_PRIORITY_CLASS; break;
+                }
 #endif
                 if (CreateProcess(
@@ -741 +750 @@
                         return(-1);
                 }
+#ifdef KMK
+                switch (process_priority) {
+                case 1: SetThreadPriority(procInfo.hThread, THREAD_PRIORITY_IDLE); break;
+                case 2: SetThreadPriority(procInfo.hThread, THREAD_PRIORITY_BELOW_NORMAL); break;
+                case 3: SetThreadPriority(procInfo.hThread, THREAD_PRIORITY_NORMAL); break;
+                case 4: SetThreadPriority(procInfo.hThread, THREAD_PRIORITY_HIGHEST); break;
+                case 5: SetThreadPriority(procInfo.hThread, THREAD_PRIORITY_TIME_CRITICAL); break;
+                }
+                ResumeThread(procInfo.hThread);
+#endif
         }