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https://github.com/drasko/codezero.git
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e0492d672f
Modified ipc handling so that from now on the kernel inspects and sets the sender id if the receiver is receiving from L4_ANYTHREAD. This posed a security problem since the receiver could not trust the sender for sender information.
23 lines
394 B
C
23 lines
394 B
C
/*
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* Userspace thread control block
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*
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* Copyright (C) 2007 Bahadir Balban
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*/
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#ifndef __GLUE_ARM_UTCB_H__
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#define __GLUE_ARM_UTCB_H__
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#define MR_TOTAL 6
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#define MR_TAG 0
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#define MR_SENDER 1
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#define MR_UNUSED_START 2
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/* Compact utcb for now! 8-) */
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struct utcb {
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u32 mr[MR_TOTAL];
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u32 global_id; /* Thread id */
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u32 usr_handle; /* Use as TLS */
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};
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#endif /* __GLUE_ARM_UTCB_H__ */
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