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* [glibc] hurd: Implement basic sched_get/setscheduler
@ 2020-08-05 21:47 Samuel Thibault
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From: Samuel Thibault @ 2020-08-05 21:47 UTC (permalink / raw)
To: glibc-cvs
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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