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      1 /* Copyright (C) 2001 Free Software Foundation, Inc.
      2    This file is part of the GNU C Library.
      3 
      4    The GNU C Library is free software; you can redistribute it and/or
      5    modify it under the terms of the GNU Lesser General Public
      6    License as published by the Free Software Foundation; either
      7    version 2.1 of the License, or (at your option) any later version.
      8 
      9    The GNU C Library is distributed in the hope that it will be useful,
     10    but WITHOUT ANY WARRANTY; without even the implied warranty of
     11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12    Lesser General Public License for more details.
     13 
     14    You should have received a copy of the GNU Lesser General Public
     15    License along with the GNU C Library; if not, write to the Free
     16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     17    02111-1307 USA.  */
     18 
     19 #ifndef _PROFIL_H
     20 #define _PROFIL_H	1
     21 
     22 #include <features.h>
     23 
     24 #include <sys/time.h>
     25 #include <sys/types.h>
     26 
     27 /* This interface is intended to follow the sprofil() system calls as
     28    described by the sprofil(2) man page of Irix v6.5, except that:
     29 
     30 	- there is no a priori limit on number of text sections
     31 	- pr_scale is declared as unsigned long (instead of "unsigned int")
     32 	- pr_size is declared as size_t (instead of "unsigned int")
     33 	- pr_off is declared as void * (instead of "__psunsigned_t")
     34 	- the overflow bin (pr_base==0, pr_scale==2) can appear anywhere
     35 	  in the profp array
     36 	- PROF_FAST has no effect  */
     37 
     38 struct prof
     39   {
     40     void *pr_base;		/* buffer base */
     41     size_t pr_size;		/* buffer size */
     42     size_t pr_off;		/* pc offset */
     43     unsigned long int pr_scale;	/* pc scaling (fixed-point number) */
     44   };
     45 
     46 enum
     47   {
     48     PROF_USHORT	= 0,		/* use 16-bit counters (default) */
     49     PROF_UINT	= 1 << 0,	/* use 32-bit counters */
     50     PROF_FAST   = 1 << 1	/* profile faster than usual */
     51   };
     52 
     53 
     54 __BEGIN_DECLS
     55 
     56 extern int sprofil (struct prof *__profp, int __profcnt,
     57 		    struct timeval *__tvp, unsigned int __flags) __THROW;
     58 
     59 __END_DECLS
     60 
     61 #endif /* profil.h */
     62