- more portability changes, move ddelay() into compat.h

- introduce kernel_thread_setup() function to encapsulate linux process model related stuff

1 files changed, 38 insertions, 0 deletions

diff --git a/linux/drivers/media/dvb/dvb-core/compat.h b/linux/drivers/media/dvb/dvb-core/compat.h
index 92ba960a0..292d6c958 100644
--- a/linux/drivers/media/dvb/dvb-core/compat.h
+++ b/linux/drivers/media/dvb/dvb-core/compat.h
@@ -1,10 +1,48 @@
 #ifndef __CRAP_H
 #define __CRAP_H
 
+#include <asm/string.h>
 #include <asm/uaccess.h>
+#include <linux/smp_lock.h>
 #include <linux/version.h>
 #include <linux/fs.h>
 
+
+/**
+ *  a sleeping delay function, waits i ms
+ *
+ */
+static
+inline void ddelay(int i)
+{
+	current->state=TASK_INTERRUPTIBLE;
+	schedule_timeout((HZ*i)/1000);
+}
+
+
+static inline
+void kernel_thread_setup (const char *thread_name)
+{
+        lock_kernel ();
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,61))
+        daemonize ();
+	strncpy (current->comm, thread_name, sizeof(current->comm));
+#else
+        daemonize (thread_name);
+#endif
+
+/*      not needed anymore in 2.5.x, done in daemonize() */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+        reparent_to_init ();
+#endif
+
+        sigfillset (&current->blocked);
+        unlock_kernel ();
+}
+
+
+
 /**
  *  compatibility crap for old kernels. No guarantee for a working driver
  *  even when everything compiles.