--- Libc/Libc-583/include/spawn_private.h
+++ Libc/Libc-825.26/include/spawn_private.h
@@ -25,8 +25,22 @@
 #define _SPAWN_PRIVATE_H_
 
 #include <spawn.h>
+#include <sys/cdefs.h>
+#include <Availability.h>
+#include <TargetConditionals.h>
 
-int     posix_spawnattr_getpcontrol_np(const posix_spawnattr_t * __restrict, int * __restrict);
-int     posix_spawnattr_setpcontrol_np(posix_spawnattr_t *, const int);
+int     posix_spawnattr_getpcontrol_np(const posix_spawnattr_t * __restrict, int * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+int     posix_spawnattr_setpcontrol_np(posix_spawnattr_t *, const int) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+
+int     posix_spawnattr_getapptype_np(const posix_spawnattr_t * __restrict, int * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int     posix_spawnattr_setapptype_np(posix_spawnattr_t *, const int) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+
+int	posix_spawnattr_setcpumonitor(posix_spawnattr_t * __restrict, uint64_t, uint64_t) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+int	posix_spawnattr_getcpumonitor(posix_spawnattr_t * __restrict, uint64_t *, uint64_t *) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
+
+#if TARGET_OS_EMBEDDED
+int     posix_spawnattr_setjetsam(posix_spawnattr_t * __restrict attr,
+    		short flags, int priority, int high_water_mark) __OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_5_0);
+#endif
 
 #endif /* !defined _SPAWN_PRIVATE_H_*/