61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _PROFIL_H
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#define _PROFIL_H 1
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#include <features.h>
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#include <sys/time.h>
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#include <sys/types.h>
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/* This interface is intended to follow the sprofil() system calls as
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described by the sprofil(2) man page of Irix v6.5, except that:
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- there is no a priori limit on number of text sections
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- pr_scale is declared as unsigned long (instead of "unsigned int")
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- pr_size is declared as size_t (instead of "unsigned int")
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- pr_off is declared as void * (instead of "__psunsigned_t")
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- the overflow bin (pr_base==0, pr_scale==2) can appear anywhere
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in the profp array
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- PROF_FAST has no effect */
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struct prof
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{
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void *pr_base; /* buffer base */
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size_t pr_size; /* buffer size */
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size_t pr_off; /* pc offset */
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unsigned long int pr_scale; /* pc scaling (fixed-point number) */
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};
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enum
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{
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PROF_USHORT = 0, /* use 16-bit counters (default) */
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PROF_UINT = 1 << 0, /* use 32-bit counters */
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PROF_FAST = 1 << 1 /* profile faster than usual */
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};
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__BEGIN_DECLS
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extern int sprofil (struct prof *__profp, int __profcnt,
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struct timeval *__tvp, unsigned int __flags) __THROW;
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__END_DECLS
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#endif /* profil.h */
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