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From: Samuel Thibault <sthibaul@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] hurd: Implement basic sched_get/setscheduler Date: Wed, 5 Aug 2020 21:47:20 +0000 (GMT) [thread overview] Message-ID: <20200805214720.F22293861001@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ce625044886da0a6e348f4def83f746e28587a0c commit ce625044886da0a6e348f4def83f746e28587a0c Author: Samuel Thibault <samuel.thibault@ens-lyon.org> Date: Wed Aug 5 23:46:14 2020 +0200 hurd: Implement basic sched_get/setscheduler * sysdeps/mach/hurd/sched_gets.c: New file. * sysdeps/mach/hurd/sched_sets.c: New file. Diff: --- sysdeps/mach/hurd/sched_gets.c | 30 ++++++++++++++++++++++++++++ sysdeps/mach/hurd/sched_sets.c | 45 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+) 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 + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <sched.h> +#include <sys/types.h> +#include <hurd.h> + + +/* 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 + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <sched.h> +#include <sys/types.h> +#include <hurd.h> + + +/* 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)
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