about summary refs log tree commit diff
path: root/posix/sched.h
diff options
context:
space:
mode:
Diffstat (limited to 'posix/sched.h')
-rw-r--r--posix/sched.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/posix/sched.h b/posix/sched.h
new file mode 100644
index 0000000000..026a5e2f20
--- /dev/null
+++ b/posix/sched.h
@@ -0,0 +1,72 @@
+/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
+Copyright (C) 1996 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef	_SCHED_H
+#define	_SCHED_H	1
+
+#include <features.h>
+
+/* Get type definitions.  */
+#include <gnu/types.h>
+#include <sys/time.h>		/* for struct timespec */
+
+/* Get system specific constant and data structure definitions.  */
+#include <schedbits.h>
+
+__BEGIN_DECLS
+
+/* Set scheduling parameters for a process.  */
+extern int __sched_setparam __P ((__pid_t __pid,
+				  __const struct sched_param *__param));
+extern int sched_setparam __P ((__pid_t __pid,
+				__const struct sched_param *__param));
+
+/* Retrieve scheduling parameters for a particular process.  */
+extern int __sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
+extern int sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
+
+/* Set scheduling algorithm and/or parameters for a process.  */
+extern int __sched_setscheduler __P ((__pid_t __pid, int __policy,
+				      __const struct sched_param *__param));
+extern int sched_setscheduler __P ((__pid_t __pid, int __policy,
+				    __const struct sched_param *__param));
+
+/* Retrieve scheduling algorithm for a particular purpose.  */
+extern int __sched_getscheduler __P ((__pid_t __pid));
+extern int sched_getscheduler __P ((__pid_t __pid));
+
+/* Yield the processor.  */
+extern int __sched_yield __P ((void));
+extern int sched_yield __P ((void));
+
+/* Get maximum priority value for a scheduler.  */
+extern int __sched_get_priority_max __P ((int __algorithm));
+extern int sched_get_priority_max __P ((int __algorithm));
+
+/* Get minimum priority value for a scheduler.  */
+extern int __sched_get_priority_min __P ((int __algorithm));
+extern int sched_get_priority_min __P ((int __algorithm));
+
+/* Get the SCHED_RR interval for the named process.  */
+extern int __sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
+extern int sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
+
+__END_DECLS
+
+#endif /* sched.h */