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Diffstat (limited to 'libcr_ipc/chan.c')
-rw-r--r--libcr_ipc/chan.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libcr_ipc/chan.c b/libcr_ipc/chan.c
index 7708fe4..b7ecfc8 100644
--- a/libcr_ipc/chan.c
+++ b/libcr_ipc/chan.c
@@ -100,6 +100,7 @@ size_t cr_select_v(size_t arg_cnt, struct _cr_select_arg_list_node arg_vec[]) {
}
struct _cr_select_waiter *waiter = other->waiter;
for (size_t i = 0; i < waiter->arg_cnt; i++) {
+ waiter->arg_vec[i].val.ch->nwaiters--;
dlist_remove(&waiter->arg_vec[i].val.ch->waiters, &waiter->arg_vec[i]);
if (&waiter->arg_vec[i].val == other)
waiter->ret = i;
@@ -125,6 +126,7 @@ size_t cr_select_v(size_t arg_cnt, struct _cr_select_arg_list_node arg_vec[]) {
};
for (size_t i = 0; i < arg_cnt; i++) {
arg_vec[i].val.waiter = &waiter;
+ arg_vec[i].val.ch->nwaiters++;
dlist_push_to_rear(&arg_vec[i].val.ch->waiters, &arg_vec[i]);
}
cr_pause_and_yield();