Added support for f_yieldCPU() on Unix platforms.

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@638 0109f412-320b-0410-ab79-c3e0c5ffbbe6

ftk/Makefile

@@ -837,7 +837,7 @@ ifdef unix_target
 			compiler = CC
 			exe_linker = CC
 			shared_linker = ld
-			compiler_version := $(shell $(compiler) -V)	
+			compiler_version := $(shell $(compiler) -V 2>&1)	
 			ifneq (,$(findstring Sun C++,$(compiler_version)))
 				sun_studio_compiler = yes
 			endif

ftk/src/ftksys.h

@@ -145,6 +145,7 @@
 		#include <unistd.h>
 		#include <utime.h>
 		#include <aio.h>
+		#include <sched.h>
 		#include <arpa/inet.h>
 		#include <netinet/tcp.h>
 		#include <sys/mman.h>

ftk/src/ftkunix.cpp

@@ -1735,6 +1735,7 @@ Desc:
 ****************************************************************************/
 void FLMAPI f_yieldCPU( void)
 {
+	sched_yield();
 }
 
 /**********************************************************************