From ce625044886da0a6e348f4def83f746e28587a0c Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Wed, 5 Aug 2020 23:46:14 +0200 Subject: [PATCH] hurd: Implement basic sched_get/setscheduler * sysdeps/mach/hurd/sched_gets.c: New file. * sysdeps/mach/hurd/sched_sets.c: New file. --- sysdeps/mach/hurd/sched_gets.c | 30 +++++++++++++++++++++++ sysdeps/mach/hurd/sched_sets.c | 45 ++++++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+) create mode 100644 sysdeps/mach/hurd/sched_gets.c create mode 100644 sysdeps/mach/hurd/sched_sets.c diff --git a/sysdeps/mach/hurd/sched_gets.c b/sysdeps/mach/hurd/sched_gets.c new file mode 100644 index 0000000000..9fe31ce79e --- /dev/null +++ b/sysdeps/mach/hurd/sched_gets.c @@ -0,0 +1,30 @@ +/* Copyright (C) 2020 Free Software Foundation, 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, see + . */ + +#include +#include +#include +#include + + +/* Retrieve scheduling algorithm for a particular purpose. */ +int +__sched_getscheduler (pid_t pid) +{ + return SCHED_OTHER; +} +weak_alias (__sched_getscheduler, sched_getscheduler) diff --git a/sysdeps/mach/hurd/sched_sets.c b/sysdeps/mach/hurd/sched_sets.c new file mode 100644 index 0000000000..54d368abf5 --- /dev/null +++ b/sysdeps/mach/hurd/sched_sets.c @@ -0,0 +1,45 @@ +/* Copyright (C) 1996-2020 Free Software Foundation, 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, see + . */ + +#include +#include +#include +#include + + +/* Set scheduling algorithm and/or parameters for a process. */ +int +__sched_setscheduler (pid_t pid, int policy, const struct sched_param *param) +{ + switch (policy) + { + case SCHED_OTHER: + if (param->sched_priority != 0) + return __hurd_fail (EINVAL); + break; + + case SCHED_FIFO: + case SCHED_RR: + return __hurd_fail (ENOTSUP); + + default: + return EINVAL; + } + return 0; +} +libc_hidden_def (__sched_setscheduler) +weak_alias (__sched_setscheduler, sched_setscheduler) -- 2.43.5