kernel: rework postqueue

Keeping its old name for now to make things easier for myself.

This might just be replaced by sys/queue.h soon.

1 files changed, 7 insertions, 2 deletions

diff --git a/src/kernel/arch/amd64/driver/rtl8139.c b/src/kernel/arch/amd64/driver/rtl8139.c
index a005df5..bce1071 100644
--- a/src/kernel/arch/amd64/driver/rtl8139.c
+++ b/src/kernel/arch/amd64/driver/rtl8139.c
@@ -13,7 +13,7 @@
 
 static void accept(VfsReq *req);
 static void rtl8139_irq(void);
-static VfsReq *blocked_on = NULL;
+static ReqQueue blocked_on;
 
 
 enum {
@@ -86,6 +86,8 @@ void rtl8139_init(uint32_t bdf) {
 		mac[i] = port_in8(iobase + Mac + i);
 	}
 
+	postqueue_init(&blocked_on);
+
 	vfs_root_register("/dev/eth/", accept);
 }
 
@@ -100,7 +102,10 @@ static void rtl8139_irq(void) {
 	/* bit 0 of cmd - Rx Buffer Empty
 	 * not a do while() because sometimes the bit is empty on IRQ. no clue why. */
 	while (!(port_in8(iobase + Cmd) & 1)) {
-		if (!postqueue_pop(&blocked_on, accept)) {
+		VfsReq *req = postqueue_pop(&blocked_on);
+		if (req) {
+			accept(req);
+		} else {
 			rx_irq_enable(false);
 			break;
 		}