38 lines
750 B
C
38 lines
750 B
C
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/* perthread.h: Header file for cygwin synchronization primitives.
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Copyright 2000 Cygnus Solutions.
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Written by Christopher Faylor <cgf@cygnus.com>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#define PTMAGIC 0x77366377
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struct _reent;
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extern struct _reent reent_data;
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extern DWORD *__stackbase __asm__ ("%fs:4");
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extern __inline struct _reent *
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get_reent ()
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{
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DWORD *base = __stackbase - 1;
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if (*base != PTMAGIC)
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return &reent_data;
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return (struct _reent *) base[-1];
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}
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extern inline void
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set_reent (struct _reent *r)
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{
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DWORD *base = __stackbase - 1;
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*base = PTMAGIC;
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base[-1] = (DWORD) r;
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}
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