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Diffstat (limited to 'src/thread/__unmapself.c')
-rw-r--r--src/thread/__unmapself.c5
1 files changed, 0 insertions, 5 deletions
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);