| 1 |
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| 2 | |
| 3 | * Unified handling of special chars.
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| 4 | *
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| 5 | * Copyright IBM Corp. 2001
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| 6 | * Author(s): Fritz Elfert <[email protected]> <[email protected]>
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| 7 | *
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| 8 |
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| 9 |
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| 10 | #include <linux/tty.h>
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| 11 | #include <linux/sysrq.h>
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| 12 | #include <linux/workqueue.h>
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| 13 |
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| 14 | extern unsigned int
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| 15 | ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);
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| 16 |
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| 17 |
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| 18 | #define CTRLCHAR_NONE (1 << 8)
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| 19 | #define CTRLCHAR_CTRL (2 << 8)
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| 20 | #define CTRLCHAR_SYSRQ (3 << 8)
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| 21 |
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| 22 | #define CTRLCHAR_MASK (~0xffu)
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| 23 |
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| 24 |
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| 25 | #ifdef CONFIG_MAGIC_SYSRQ
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| 26 | struct sysrq_work {
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| 27 | int key;
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| 28 | struct work_struct work;
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| 29 | };
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| 30 |
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| 31 | void schedule_sysrq_work(struct sysrq_work *sw);
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| 32 | #endif
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