From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: libc-alpha@sourceware.org
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>, commit-hurd@gnu.org
Subject: [hurd,commited] hurd: Implement basic sched_get/setscheduler
Date: Wed, 5 Aug 2020 23:47:36 +0200 [thread overview]
Message-ID: <20200805214736.386404-1-samuel.thibault@ens-lyon.org> (raw)
* 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
+ <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)
--
2.27.0
next reply other threads:[~2020-08-05 21:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-05 21:47 Samuel Thibault [this message]
2020-08-06 18:01 ` Joseph Myers
2020-08-06 18:16 ` Samuel Thibault
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200805214736.386404-1-samuel.thibault@ens-lyon.org \
--to=samuel.thibault@ens-lyon.org \
--cc=commit-hurd@gnu.org \
--cc=libc-alpha@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).