Move sched.d in the platform code for linux.

Rework the import logic to include platform specific import.

Author: deadalnix

makefile

@@ -42,7 +42,7 @@ all: $(ALL_EXECUTABLES) $(ALL_TOOLS) $(LIBSDRT) $(LIBDMDALLOC) $(PHOBOS)
 check: all
 
 clean:
-	rm -rf obj lib $(ALL_EXECUTABLES) $(ALL_TOOLS)
+	rm -rf obj lib bin/sdconfig $(ALL_EXECUTABLES) $(ALL_TOOLS)
 
 print-%: ; @echo $*=$($*)
 

sdlib/sys/posix/sched.d renamed to platform/linux/imports/sched.d

@@ -1,8 +1,7 @@
-module sys.posix.sched;
+module sched;
 
 import sys.posix.types;
 
-version(Posix):
 extern(C):
 
 int sched_yield();

platform/linux/linux.mak

@@ -0,0 +1 @@
+PLATFORM_IMPORTS += platform/linux/imports

platform/platform.mak

@@ -1,3 +1,6 @@
+# Platform import to use for libsdrt
+PLATFORM_IMPORTS =
+
 # Platform objects to link into libsdrt
 LIBSDRT_PLATFORM_OBJ =
 
@@ -12,7 +15,9 @@ PLATFORM_C_OBJ =
 PLATFORM_ASM_SRC =
 PLATFORM_ASM_OBJ =
 
-ifeq ($(PLATFORM),Darwin)
+ifeq ($(PLATFORM),Linux)
+	include platform/linux/linux.mak
+else ifeq ($(PLATFORM),Darwin)
 	include platform/osx/osx.mak
 endif
 

sdlib/d/gc/cpu.d

@@ -13,7 +13,7 @@ private:
 shared uint gCoreCount;
 
 auto computeCoreCount() {
-	import sys.posix.sched;
+	import sched;
 	cpu_set_t set;
 	sched_getaffinity(0, cpu_set_t.sizeof, &set);
 	return CPU_COUNT(&set);

sdlib/d/gc/tcache.d

@@ -794,7 +794,7 @@ private:
 		 * of glibc thanks to rseqs, but we might want to find
 		 * an alternative on other systems.
 		 */
-		import sys.posix.sched;
+		import sched;
 		return sched_getcpu();
 	}
 

sdlib/d/gc/thread.d

@@ -190,14 +190,14 @@ public:
 		uint count;
 
 		while (suspendRunningThreads(count++)) {
-			import sys.posix.sched;
+			import sched;
 			sched_yield();
 		}
 	}
 
 	void restartTheWorld() shared {
 		while (resumeSuspendedThreads()) {
-			import sys.posix.sched;
+			import sched;
 			sched_yield();
 		}
 

sdlib/d/gc/tstate.d

@@ -272,7 +272,7 @@ unittest suspend {
 				mutex.unlock();
 				scope(exit) mutex.lock();
 
-				import sys.posix.sched;
+				import sched;
 				sched_yield();
 				continue;
 			}

sdlib/d/sync/mutex.d

@@ -4,7 +4,7 @@ import d.sync.waiter;
 
 import sdc.intrinsics;
 
-import sys.posix.sched;
+import sched;
 
 struct Mutex {
 private:

sdlib/d/sync/sharedlock.d

@@ -628,7 +628,7 @@ unittest threadStressTest {
 			assert(ne == 0);
 			assert(ns >= 0 && ns < MaxShared);
 
-			import sys.posix.sched;
+			import sched;
 			sched_yield();
 			ns = numSharedLocks.fetchSub(1);