libplatform-254.40.4.tar.gz

[apple/libplatform.git] / internal / os / yield.h

diff --git a/internal/os/yield.h b/internal/os/yield.h
index a094b2d86d2926b38c9bbe9586b4254112facf31..a84ffffcfa7d52e77111e474d01fa298b6945475 100644 (file)
--- a/internal/os/yield.h
+++ b/internal/os/yield.h
@@ -39,7 +39,7 @@
                        _spins++; \
                        _os_preemption_yield(_spins); \
                } } while (0)
-#elif TARGET_OS_EMBEDDED
+#else
 // <rdar://problem/15508918>
 #ifndef OS_WAIT_SPINS
 #define OS_WAIT_SPINS 1024
@@ -53,11 +53,6 @@
                                os_hardware_pause(); \
                        } \
                } } while (0)
-#else
-#define _os_wait_until(c) do { \
-               while (!(c)) { \
-                       os_hardware_pause(); \
-               } } while (0)
 #endif
 
 #pragma mark -
@@ -76,13 +71,7 @@
 #pragma mark -
 #pragma mark _os_preemption_yield
 
-#if defined(SWITCH_OPTION_OSLOCK_DEPRESS) && !(TARGET_IPHONE_SIMULATOR && \
-               IPHONE_SIMULATOR_HOST_MIN_VERSION_REQUIRED < 1090)
-#define OS_YIELD_THREAD_SWITCH_OPTION SWITCH_OPTION_OSLOCK_DEPRESS
-#else
-#define OS_YIELD_THREAD_SWITCH_OPTION SWITCH_OPTION_DEPRESS
-#endif
 #define _os_preemption_yield(n) thread_switch(MACH_PORT_NULL, \
-               OS_YIELD_THREAD_SWITCH_OPTION, (mach_msg_timeout_t)(n))
+               SWITCH_OPTION_OSLOCK_DEPRESS, (mach_msg_timeout_t)(n))
 
 #endif // __OS_YIELD__