The _exit syscall is used for both thread termination in NPTL applications,
and process termination in legacy applications.  Try to guess which we want
based on the presence of multiple threads.

Also implement locking when modifying the CPU list.


Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6735 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index bdc3cf9..fba5a8f 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -54,6 +54,8 @@
 
 #endif /* defined (TARGET_PPC64) */
 
+#define CPUState struct CPUPPCState
+
 #include "cpu-defs.h"
 
 #define REGX "%016" PRIx64
@@ -786,7 +788,6 @@
 int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, target_ulong *valp);
 int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val);
 
-#define CPUState CPUPPCState
 #define cpu_init cpu_ppc_init
 #define cpu_exec cpu_ppc_exec
 #define cpu_gen_code cpu_ppc_gen_code