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Diffstat (limited to 'lib/libc/sys/sched_setscheduler.2')
| -rw-r--r-- | lib/libc/sys/sched_setscheduler.2 | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/lib/libc/sys/sched_setscheduler.2 b/lib/libc/sys/sched_setscheduler.2 deleted file mode 100644 index b84c1a1c9e35..000000000000 --- a/lib/libc/sys/sched_setscheduler.2 +++ /dev/null @@ -1,166 +0,0 @@ -.\" $FreeBSD$ -.\" Copyright (c) 1998 HD Associates, Inc. -.\" All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -.\" SUCH DAMAGE. -.\" -.Dd March 12, 1998 -.Dt SCHED_SETSCHEDULER 2 -.Os -.Sh NAME -.Nm sched_setscheduler , -.Nm sched_getscheduler -.Nd set/get scheduling policy and scheduler parameters -.Sh LIBRARY -.Lb libc -.Sh SYNOPSIS -.In sched.h -.Ft int -.Fn sched_setscheduler "pid_t pid" "int policy" "const struct sched_param *param" -.Ft int -.Fn sched_getscheduler "pid_t pid" -.Sh DESCRIPTION -The -.Fn sched_setscheduler -system call sets the scheduling policy and scheduling parameters -of the process specified by -.Fa pid -to -.Fa policy -and the parameters specified in the -.Vt sched_param -structure pointed to by -.Fa param , -respectively. -The value of the -.Fa sched_priority -member in the -.Fa param -structure must be any integer within the inclusive priority range for -the scheduling policy specified by -.Fa policy . -.Pp -In this implementation, if the value of -.Fa pid -is negative the system call will fail. -.Pp -If a process specified by -.Fa pid -exists and if the calling process has permission, the scheduling -policy and scheduling parameters will be set for the process -whose process ID is equal to -.Fa pid . -.Pp -If -.Fa pid -is zero, the scheduling policy and scheduling -parameters are set for the calling process. -.Pp -In this implementation, the policy of when a process can affect -the scheduling parameters of another process is specified in -.St -p1003.1b-93 -as a write-style operation. -.Pp -The scheduling policies are in -.Fa <sched.h> : -.Bl -tag -width [SCHED_OTHER] -.It Bq Er SCHED_FIFO -First-in-first-out fixed priority scheduling with no round robin scheduling; -.It Bq Er SCHED_OTHER -The standard time sharing scheduler; -.It Bq Er SCHED_RR -Round-robin scheduling across same priority processes. -.El -.Pp -The -.Vt sched_param -structure is defined in -.Fa <sched.h> : -.Bd -literal -offset indent -struct sched_param { - int sched_priority; /* scheduling priority */ -}; -.Ed -.Pp -The -.Fn sched_getscheduler -system call returns the scheduling policy of the process specified -by -.Fa pid . -.Pp -If a process specified by -.Fa pid -exists and if the calling process has permission, -the scheduling parameters for the process whose process ID is equal to -.Fa pid -are returned. -.Pp -In this implementation, the policy of when a process can obtain the -scheduling parameters of another process are detailed in -.St -p1003.1b-93 -as a read-style operation. -.Pp -If -.Fa pid -is zero, the scheduling parameters for the calling process will be -returned. -In this implementation, the -.Fa sched_getscheduler -system call will fail if -.Fa pid -is negative. -.Sh RETURN VALUES -.Rv -std -.Sh ERRORS -On failure -.Va errno -will be set to the corresponding value: -.Bl -tag -width Er -.It Bq Er ENOSYS -The system is not configured to support this functionality. -.It Bq Er EPERM -The requesting process doesn not have permission as detailed in -.St -p1003.1b-93 . -.It Bq Er ESRCH -No process can be found corresponding to that specified by -.Fa pid . -.It Bq Er EINVAL -The value of the -.Fa policy -argument is invalid, or one or more of the parameters contained in -.Fa param -is outside the valid range for the specified scheduling policy. -.El -.Sh SEE ALSO -.Xr sched_get_priority_max 2 , -.Xr sched_get_priority_min 2 , -.Xr sched_getparam 2 , -.Xr sched_rr_get_interval 2 , -.Xr sched_setparam 2 , -.Xr sched_yield 2 -.Sh STANDARDS -The -.Fn sched_setscheduler -and -.Fn sched_getscheduler -system calls conform to -.St -p1003.1b-93 . |