/*
- * Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com)
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com)
* Licensed under the GPL
*/
-#include "linux/kernel.h"
-#include "linux/list.h"
-#include "linux/slab.h"
-#include "linux/signal.h"
-#include "linux/interrupt.h"
-#include "init.h"
-#include "sigio.h"
-#include "irq_user.h"
+#include <linux/interrupt.h>
#include "irq_kern.h"
#include "os.h"
+#include "sigio.h"
/* Protected by sigio_lock() called from write_sigio_workaround */
static int sigio_irq_fd = -1;
os_read_file(sigio_irq_fd, &c, sizeof(c));
reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ);
- return(IRQ_HANDLED);
+ return IRQ_HANDLED;
}
int write_sigio_irq(int fd)
err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt,
IRQF_DISABLED|IRQF_SAMPLE_RANDOM, "write sigio",
NULL);
- if(err){
- printk("write_sigio_irq : um_request_irq failed, err = %d\n",
- err);
- return(-1);
+ if (err) {
+ printk(KERN_ERR "write_sigio_irq : um_request_irq failed, "
+ "err = %d\n", err);
+ return -1;
}
sigio_irq_fd = fd;
- return(0);
+ return 0;
}
+/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */
static DEFINE_SPINLOCK(sigio_spinlock);
void sigio_lock(void)