Changeset ccd1a14 in mainline for uspace/srv/kbd/port/ski.c

Timestamp:

2009-04-25T11:54:17Z (15 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

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

Children:

9701d49

Parents:

ebfabf6

Message:

Stop userspace kbd driver from polling when switching to kcon. Also, fix swapped reversed enabling/disabling of polling in kernel sgcn and ski drivers.

File:

• uspace/srv/kbd/port/ski.c (modified) (4 diffs)

uspace/srv/kbd/port/ski.c

@@ -43 +43 @@
 #include <sys/types.h>
 #include <thread.h>
+#include <bool.h>
 
 #define SKI_GETCHAR             21
@@ -50 +51 @@
 static void *ski_thread_impl(void *arg);
 static int32_t ski_getchar(void);
+
+static volatile bool polling_disabled = false;
 
 /** Initialize Ski port driver. */
@@ -65 +68 @@
 }
 
+void kbd_port_yield(void)
+{
+        polling_disabled = true;
+}
+
+void kbd_port_reclaim(void)
+{
+        polling_disabled = false;
+}
+
 /** Thread to poll Ski for keypresses. */
 static void *ski_thread_impl(void *arg)
@@ -72 +85 @@
 
         while (1) {
-                while (1) {
+                while (polling_disabled == false) {
                         c = ski_getchar();
                         if (c == 0)