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03c35bcb6e
Thu Feb 9 16:56:07 1995 David Mosberger-Tang <davidm@piston.cs.arizona.edu> * All *.c: More cleanup towards GNU format. * gmon_out.h (struct gmon_hist_hdr, struct gmon_cg_arc_record): replaced sizeof (bfd_vma) by size (char*) because Ken tells me that bfd_vma is only guaranteed to be at least as big as a pointer. (GMON_Record_tag): added explicit enumeration values to ensure compatibility across compilers. * gmon_io.c (get_vma, put_vma): replaced sizeof(bfd_vma) by sizeof(char*).
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <sys/time.h>
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#include "hertz.h"
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#ifdef __MSDOS__
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#define HERTZ 18
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#endif
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int
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hertz ()
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{
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#ifdef HERTZ
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return HERTZ;
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#else
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struct itimerval tim;
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tim.it_interval.tv_sec = 0;
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tim.it_interval.tv_usec = 1;
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tim.it_value.tv_sec = 0;
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tim.it_value.tv_usec = 0;
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setitimer (ITIMER_REAL, &tim, 0);
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setitimer (ITIMER_REAL, 0, &tim);
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if (tim.it_interval.tv_usec < 2)
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{
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return HZ_WRONG;
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}
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return 1000000 / tim.it_interval.tv_usec;
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#endif
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}
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