X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fx86_64%2Fpthread_arch.h;h=af7ae86e2b72f726b81671f120a3cb3d2591add9;hb=07e865cc5afb11e6e882e998306ab0f7fb64357e;hp=40d267979b82ae4296566feacfa77a565d8747d6;hpb=1e12632591ab98a6ea3af8680716c28282552981;p=musl

diff --git a/arch/x86_64/pthread_arch.h b/arch/x86_64/pthread_arch.h
index 40d26797..af7ae86e 100644
--- a/arch/x86_64/pthread_arch.h
+++ b/arch/x86_64/pthread_arch.h
@@ -4,3 +4,6 @@ static inline struct pthread *__pthread_self()
 	__asm__ ("movq %%fs:0,%0" : "=r" (self) );
 	return self;
 }
+
+#define PC_AT_SYS(c) \
+	(*(uint16_t *)(((ucontext_t *)(c))->uc_mcontext.__gregs[16])==0x050f)