ack/mach/pdp/libsys/lock.s
1987-01-07 17:13:41 +00:00

16 lines
152 B
ArmAsm

#include "sys.h"
.globl _lock
.globl _errno
_lock:
mov 2(sp),0f+2
sys indir; 0f
bec 1f
mov r0,_errno
mov $-1,r0
1:
rts pc
.data
0:
sys lock; ..