X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2F__unmapself.c;h=31d94e67edb9e4a017c62ed2742c45bef0a19dbb;hb=4554f155dd23a65fcdfd39f1d5af8af55ba37694;hp=1d3bee1d9b0404494db6d2745e31ebe780ed682e;hpb=c30cbcb0a646b1f13a22c645616dce624465b883;p=musl

diff --git a/src/thread/__unmapself.c b/src/thread/__unmapself.c
index 1d3bee1d..31d94e67 100644
--- a/src/thread/__unmapself.c
+++ b/src/thread/__unmapself.c
@@ -4,7 +4,6 @@
 /* cheat and reuse CRTJMP macro from dynlink code */
 #include "dynlink.h"
 
-static volatile int lock;
 static void *unmap_base;
 static size_t unmap_size;
 static char shared_stack[256];
@@ -17,12 +16,8 @@ static void do_unmap()
 
 void __unmapself(void *base, size_t size)
 {
-	int tid=__pthread_self()->tid;
 	char *stack = shared_stack + sizeof shared_stack;
 	stack -= (uintptr_t)stack % 16;
-	while (lock || a_cas(&lock, 0, tid))
-		a_spin();
-	__syscall(SYS_set_tid_address, &lock);
 	unmap_base = base;
 	unmap_size = size;
 	CRTJMP(do_unmap, stack);