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Diffstat (limited to 'kernel/trap.c')
-rw-r--r--kernel/trap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trap.c b/kernel/trap.c
index b879f01..f895aea 100644
--- a/kernel/trap.c
+++ b/kernel/trap.c
@@ -53,7 +53,7 @@ usertrap(void)
if(r_scause() == 8){
// system call
- if(__sync_add_and_fetch(&p->killed, 0))
+ if(killed(p))
exit(-1);
// sepc points to the ecall instruction,
@@ -73,7 +73,7 @@ usertrap(void)
__sync_bool_compare_and_swap(&p->killed, 0, 1);
}
- if(__sync_add_and_fetch(&p->killed, 0))
+ if(killed(p))
exit(-1);
// give up the CPU if this is a timer interrupt.