diff options
Diffstat (limited to 'sysdeps/generic/prof-freq.c')
| -rw-r--r-- | sysdeps/generic/prof-freq.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/generic/prof-freq.c b/sysdeps/generic/prof-freq.c index c69b43e..4ad4212 100644 --- a/sysdeps/generic/prof-freq.c +++ b/sysdeps/generic/prof-freq.c @@ -55,62 +55,3 @@ __profile_frequency () return 0; return (1000000 / tim.it_interval.tv_usec); } -/* Return frequency of ticks reported by profil. Generic version. */ -/*- - * Copyright (c) 1983, 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - - -#include <sys/types.h> -#include <sys/time.h> - -int -__profile_frequency () -{ - /* - * Discover the tick frequency of the machine if something goes wrong, - * we return 0, an impossible hertz. - */ - struct itimerval tim; - - tim.it_interval.tv_sec = 0; - tim.it_interval.tv_usec = 1; - tim.it_value.tv_sec = 0; - tim.it_value.tv_usec = 0; - setitimer(ITIMER_REAL, &tim, 0); - setitimer(ITIMER_REAL, 0, &tim); - if (tim.it_interval.tv_usec < 2) - return 0; - return (1000000 / tim.it_interval.tv_usec); -} - - |