added locking

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4743 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-09-17 20:44:10 +00:00 · 2003-09-17 20:44:10 +00:00 · f120b01748
commit f120b01748
parent 1f63572715
1 changed files with 12 additions and 0 deletions
--- a/headers/private/kernel/pci_priv.h
+++ b/headers/private/kernel/pci_priv.h
@ -20,3 +20,15 @@ void		pci_write_irq(uint8 bus, uint8 device, uint8 function, uint8 line, uint8 i

 extern int	gMaxBusDevices;
 extern bool gIrqRouterAvailable;
+
+#define PCI_LOCK_CONFIG(status) \
+{ \
+	status = disable_interrupts(); \
+	acquire_spinlock(&gConfigLock); \
+}
+
+#define PCI_UNLOCK_CONFIG(cpu_status) \
+{ \
+	release_spinlock(&gConfigLock); \
+	restore_interrupts(cpu_status); \
+}