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authorJeff Dike <jdike@addtoit.com>2006-03-27 01:14:32 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 08:44:38 -0800
commit8e367065eea04a6fde5cb8f3854164af99c45693 (patch)
treeed43afe11ac49b992218b83a481a9e1db87160f9 /arch/um/kernel/sigio_kern.c
parent9b4f018d92dbeff9305b4cf4aa80874c3974cfcc (diff)
[PATCH] uml: move SIGIO startup code to os-Linux/start_up.c
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all startup code from sigio_user.c file under os-Linux dir Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/kernel/sigio_kern.c')
-rw-r--r--arch/um/kernel/sigio_kern.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/um/kernel/sigio_kern.c b/arch/um/kernel/sigio_kern.c
index 229988463c4..1c1300fb1e9 100644
--- a/arch/um/kernel/sigio_kern.c
+++ b/arch/um/kernel/sigio_kern.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
@@ -12,13 +12,16 @@
#include "sigio.h"
#include "irq_user.h"
#include "irq_kern.h"
+#include "os.h"
/* Protected by sigio_lock() called from write_sigio_workaround */
static int sigio_irq_fd = -1;
static irqreturn_t sigio_interrupt(int irq, void *data, struct pt_regs *unused)
{
- read_sigio_fd(sigio_irq_fd);
+ char c;
+
+ os_read_file(sigio_irq_fd, &c, sizeof(c));
reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ);
return(IRQ_HANDLED);
}
@@ -51,6 +54,9 @@ void sigio_unlock(void)
spin_unlock(&sigio_spinlock);
}
+extern void sigio_cleanup(void);
+__uml_exitcall(sigio_cleanup);
+
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically