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author | Dan Albert <danalbert@google.com> | 2016-02-24 13:48:45 -0800 |
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committer | Dan Albert <danalbert@google.com> | 2016-02-24 13:51:18 -0800 |
commit | b9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch) | |
tree | 4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.3/libgomp/config/posix/time.c | |
parent | 098157a754787181cfa10e71325832448ddcea98 (diff) | |
download | toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.gz toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.bz2 toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.zip |
Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).
From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.
Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
Diffstat (limited to 'gcc-4.8.3/libgomp/config/posix/time.c')
-rw-r--r-- | gcc-4.8.3/libgomp/config/posix/time.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc-4.8.3/libgomp/config/posix/time.c b/gcc-4.8.3/libgomp/config/posix/time.c new file mode 100644 index 000000000..37898ecc0 --- /dev/null +++ b/gcc-4.8.3/libgomp/config/posix/time.c @@ -0,0 +1,78 @@ +/* Copyright (C) 2005-2013 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + + This file is part of the GNU OpenMP Library (libgomp). + + Libgomp is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +/* This file contains system specific timer routines. It is expected that + a system may well want to write special versions of each of these. + + The following implementation uses the most simple POSIX routines. + If present, POSIX 4 clocks should be used instead. */ + +#include "libgomp.h" +#include <unistd.h> +#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif + + +double +omp_get_wtime (void) +{ +#ifdef HAVE_CLOCK_GETTIME + struct timespec ts; +# ifdef CLOCK_MONOTONIC + if (clock_gettime (CLOCK_MONOTONIC, &ts) < 0) +# endif + clock_gettime (CLOCK_REALTIME, &ts); + return ts.tv_sec + ts.tv_nsec / 1e9; +#else + struct timeval tv; + gettimeofday (&tv, NULL); + return tv.tv_sec + tv.tv_usec / 1e6; +#endif +} + +double +omp_get_wtick (void) +{ +#ifdef HAVE_CLOCK_GETTIME + struct timespec ts; +# ifdef CLOCK_MONOTONIC + if (clock_getres (CLOCK_MONOTONIC, &ts) < 0) +# endif + clock_getres (CLOCK_REALTIME, &ts); + return ts.tv_sec + ts.tv_nsec / 1e9; +#else + return 1.0 / sysconf(_SC_CLK_TCK); +#endif +} + +ialias (omp_get_wtime) +ialias (omp_get_wtick) |