diff options
Diffstat (limited to 'kernel/trap.c')
| -rw-r--r-- | kernel/trap.c | 4 |
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. |