Added a 'sched_getcpu()' routine that returns the current pcore ID, as an analog to the routine of the same name in Linux. Rebuild your toolchain.
Signed-off-by: Dan Cross <[email protected]> --- .../glibc-2.19-akaros/sysdeps/akaros/Makefile | 5 +++++ .../glibc-2.19-akaros/sysdeps/akaros/Versions | 2 ++ .../sysdeps/akaros/sched_getcpu.c | 25 ++++++++++++++++++++++ 3 files changed, 32 insertions(+) create mode 100644 tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/sched_getcpu.c diff --git a/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Makefile b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Makefile index fa44dc5..8dd52b0 100644 --- a/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Makefile +++ b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Makefile @@ -42,6 +42,11 @@ sysdep_routines += convS2M endif sysdep_headers += fcall.h +# Scheduling related routines. +ifeq ($(subdir),stdlib) +sysdep_routines += sched_getcpu +endif + # Syscall pack arg routines ifeq ($(subdir),stdlib) sysdep_routines += serialize diff --git a/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Versions b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Versions index 899cfe8..1da7300 100644 --- a/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Versions +++ b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/Versions @@ -35,6 +35,8 @@ libc { convD2M; sizeD2M; + sched_getcpu; + serialize_argv_envp; free_serialized_data; diff --git a/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/sched_getcpu.c b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/sched_getcpu.c new file mode 100644 index 0000000..51d492d --- /dev/null +++ b/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/sched_getcpu.c @@ -0,0 +1,25 @@ +/* Copyright (C) 2016 Google Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <parlib/vcore.h> +#include <ros/procinfo.h> + +int sched_getcpu(void) +{ + return __procinfo.vcoremap[vcore_id()].pcoreid; +} -- 2.8.0.rc3.226.g39d4020 -- You received this message because you are subscribed to the Google Groups "Akaros" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
