Changeset 94e46c9 in mainline for uspace/lib/c/generic/irq.c

Timestamp:

2015-05-23T04:09:11Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b5143bd

Parents:

a25d893 (diff), 0683992 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Mainline changes

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);