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22 lines
601 B
22 lines
601 B
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 2001 - 2005 Tensilica Inc. |
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*/ |
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#ifndef _XTENSA_SWITCH_TO_H |
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#define _XTENSA_SWITCH_TO_H |
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/* * switch_to(n) should switch tasks to task nr n, first |
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* checking that n isn't the current task, in which case it does nothing. |
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*/ |
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extern void *_switch_to(void *last, void *next); |
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#define switch_to(prev,next,last) \ |
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do { \ |
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(last) = _switch_to(prev, next); \ |
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} while(0) |
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#endif /* _XTENSA_SWITCH_TO_H */
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