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37 lines
917 B
C
37 lines
917 B
C
#ifndef _LINUX_THREADS_H
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#define _LINUX_THREADS_H
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/*
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* The default limit for the nr of threads is now in
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* /proc/sys/kernel/threads-max.
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*/
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/*
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* Maximum supported processors that can run under SMP. This value is
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* set via configure setting. The maximum is equal to the size of the
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* bitmasks used on that platform, i.e. 32 or 64. Setting this smaller
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* saves quite a bit of memory.
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*/
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#ifdef CONFIG_SMP
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#define NR_CPUS CONFIG_NR_CPUS
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#else
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#define NR_CPUS 1
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#endif
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#define MIN_THREADS_LEFT_FOR_ROOT 4
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/*
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* This controls the default maximum pid allocated to a process
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*/
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#define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000)
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/*
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* A maximum of 4 million PIDs should be enough for a while.
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* [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.]
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*/
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#define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \
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(sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT))
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#endif
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