| sched_setparam.2 (116023) | sched_setparam.2 (131504) |
|---|---|
| 1.\" $FreeBSD: head/lib/libc/sys/sched_setparam.2 116023 2003-06-08 10:11:13Z charnier $ | 1.\" $FreeBSD: head/lib/libc/sys/sched_setparam.2 131504 2004-07-02 23:52:20Z ru $ |
| 2.\" Copyright (c) 1998 HD Associates, Inc. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. --- 70 unchanged lines hidden (view full) --- 80priority have been scheduled to run. 81.Pp 82If the priority of the process specified by the 83.Fa pid 84argument is set higher than that of the lowest priority running process 85and if the specified process is ready to run, the process specified by 86the 87.Fa pid | 2.\" Copyright (c) 1998 HD Associates, Inc. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. --- 70 unchanged lines hidden (view full) --- 80priority have been scheduled to run. 81.Pp 82If the priority of the process specified by the 83.Fa pid 84argument is set higher than that of the lowest priority running process 85and if the specified process is ready to run, the process specified by 86the 87.Fa pid |
| 88argument will preempt a lowest priority running process. Similarly, if | 88argument will preempt a lowest priority running process. 89Similarly, if |
| 89the process calling 90.Fn sched_setparam 91sets its own priority lower than that of one or more other nonempty 92process lists, then the process that is the head of the highest priority | 90the process calling 91.Fn sched_setparam 92sets its own priority lower than that of one or more other nonempty 93process lists, then the process that is the head of the highest priority |
| 93list will also preempt the calling process. Thus, in either case, the | 94list will also preempt the calling process. 95Thus, in either case, the |
| 94originating process might not receive notification of the completion of 95the requested priority change until the higher priority process has 96executed. 97.Pp 98In this implementation, when the current scheduling policy for the 99process specified by 100.Fa pid 101is normal timesharing (SCHED_OTHER, aka SCHED_NORMAL when not POSIX-source) --- 21 unchanged lines hidden (view full) --- 123In this implementation, the policy of when a process can obtain the 124scheduling parameters of another process are detailed in 125.St -p1003.1b-93 126as a read-style operation. 127.Pp 128If 129.Fa pid 130is zero, the scheduling parameters for the calling process will be | 96originating process might not receive notification of the completion of 97the requested priority change until the higher priority process has 98executed. 99.Pp 100In this implementation, when the current scheduling policy for the 101process specified by 102.Fa pid 103is normal timesharing (SCHED_OTHER, aka SCHED_NORMAL when not POSIX-source) --- 21 unchanged lines hidden (view full) --- 125In this implementation, the policy of when a process can obtain the 126scheduling parameters of another process are detailed in 127.St -p1003.1b-93 128as a read-style operation. 129.Pp 130If 131.Fa pid 132is zero, the scheduling parameters for the calling process will be |
| 131returned. In this implementation, the | 133returned. 134In this implementation, the |
| 132.Fa sched_getparam 133system call will fail if 134.Fa pid 135is negative. 136.Sh RETURN VALUES 137.Rv -std 138.Sh ERRORS 139On failure --- 32 unchanged lines hidden --- | 135.Fa sched_getparam 136system call will fail if 137.Fa pid 138is negative. 139.Sh RETURN VALUES 140.Rv -std 141.Sh ERRORS 142On failure --- 32 unchanged lines hidden --- |