2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #include "linux/errno.h"
7 #include "linux/slab.h"
8 #include "linux/signal.h"
9 #include "linux/interrupt.h"
10 #include "asm/semaphore.h"
14 #include "kern_util.h"
25 static irqreturn_t xterm_interrupt(int irq, void *data, struct pt_regs *regs)
27 struct xterm_wait *xterm = data;
30 fd = os_rcv_fd(xterm->fd, &xterm->pid);
39 int xterm_fd(int socket, int *pid_out)
41 struct xterm_wait *data;
44 data = kmalloc(sizeof(*data), GFP_KERNEL);
46 printk(KERN_ERR "xterm_fd : failed to allocate xterm_wait\n");
49 *data = ((struct xterm_wait)
50 { .sem = __SEMAPHORE_INITIALIZER(data->sem, 0),
55 err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt,
56 SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM,
59 printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, "
66 free_irq(XTERM_IRQ, data);
77 * Overrides for Emacs so that we follow Linus's tabbing style.
78 * Emacs will notice this stuff at the end of the file and automatically
79 * adjust the settings for this buffer only. This must remain at the end
81 * ---------------------------------------------------------------------------
83 * c-file-style: "linux"