Changes in uspace/lib/c/generic/irq.c [8820544:7edfde9] in mainline

File:

• uspace/lib/c/generic/irq.c (modified) (2 diffs)

uspace/lib/c/generic/irq.c

@@ -35 +35 @@
 #include <ipc/irq.h>
 #include <libc.h>
+#include <stdlib.h>
+#include <macros.h>
+
+static irq_cmd_t default_cmds[] = {
+        {
+                .cmd = CMD_ACCEPT
+        }
+};
+
+static const irq_code_t default_ucode = {
+        0,
+        NULL,
+        ARRAY_SIZE(default_cmds),
+        default_cmds
+};
 
 /** Subscribe to IRQ notification.
@@ -49 +64 @@
     const irq_code_t *ucode)
 {
+        if (ucode == NULL)
+                ucode = &default_ucode;
+        
         return __SYSCALL4(SYS_IPC_IRQ_SUBSCRIBE, inr, devno, method,
             (sysarg_t) ucode);