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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/um/drivers/xterm_kern.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/um/drivers/xterm_kern.c')
-rw-r--r--ANDROID_3.4.5/arch/um/drivers/xterm_kern.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/ANDROID_3.4.5/arch/um/drivers/xterm_kern.c b/ANDROID_3.4.5/arch/um/drivers/xterm_kern.c
deleted file mode 100644
index 8bd130f0..00000000
--- a/ANDROID_3.4.5/arch/um/drivers/xterm_kern.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
-
-#include <linux/slab.h>
-#include <linux/completion.h>
-#include <linux/irqreturn.h>
-#include <asm/irq.h>
-#include "irq_kern.h"
-#include "os.h"
-
-struct xterm_wait {
- struct completion ready;
- int fd;
- int pid;
- int new_fd;
-};
-
-static irqreturn_t xterm_interrupt(int irq, void *data)
-{
- struct xterm_wait *xterm = data;
- int fd;
-
- fd = os_rcv_fd(xterm->fd, &xterm->pid);
- if (fd == -EAGAIN)
- return IRQ_NONE;
-
- xterm->new_fd = fd;
- complete(&xterm->ready);
-
- return IRQ_HANDLED;
-}
-
-int xterm_fd(int socket, int *pid_out)
-{
- struct xterm_wait *data;
- int err, ret;
-
- data = kmalloc(sizeof(*data), GFP_KERNEL);
- if (data == NULL) {
- printk(KERN_ERR "xterm_fd : failed to allocate xterm_wait\n");
- return -ENOMEM;
- }
-
- /* This is a locked semaphore... */
- *data = ((struct xterm_wait) { .fd = socket,
- .pid = -1,
- .new_fd = -1 });
- init_completion(&data->ready);
-
- err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt,
- IRQF_SHARED | IRQF_SAMPLE_RANDOM,
- "xterm", data);
- if (err) {
- printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, "
- "err = %d\n", err);
- ret = err;
- goto out;
- }
-
- /* ... so here we wait for an xterm interrupt.
- *
- * XXX Note, if the xterm doesn't work for some reason (eg. DISPLAY
- * isn't set) this will hang... */
- wait_for_completion(&data->ready);
-
- free_irq(XTERM_IRQ, data);
-
- ret = data->new_fd;
- *pid_out = data->pid;
- out:
- kfree(data);
-
- return ret;
-}