1 /* 2 * Copyright (c) 2014 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _SYS_PROCCTL_H_ 36 #define _SYS_PROCCTL_H_ 37 38 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) 39 #include <sys/lock.h> 40 #endif 41 42 typedef enum idtype { 43 /* 44 * These names were mostly lifted from Solaris source code and 45 * still use Solaris style naming to avoid breaking any 46 * OpenSolaris code which has been ported to FreeBSD. There 47 * is no clear FreeBSD counterpart for all of the names, but 48 * some have a clear correspondence to FreeBSD entities. 49 * 50 * The numerical values are kept synchronized with the Solaris 51 * values. 52 */ 53 P_PID, /* A process identifier. */ 54 P_PPID, /* A parent process identifier. */ 55 P_PGID, /* A process group identifier. */ 56 P_SID, /* A session identifier. */ 57 P_CID, /* A scheduling class identifier. */ 58 P_UID, /* A user identifier. */ 59 P_GID, /* A group identifier. */ 60 P_ALL, /* All processes. */ 61 P_LWPID, /* An LWP identifier. */ 62 P_TASKID, /* A task identifier. */ 63 P_PROJID, /* A project identifier. */ 64 P_POOLID, /* A pool identifier. */ 65 P_JAILID, /* A zone identifier. */ 66 P_CTID, /* A (process) contract identifier. */ 67 P_CPUID, /* CPU identifier. */ 68 P_PSETID /* Processor set identifier. */ 69 } idtype_t; /* The type of id_t we are using. */ 70 71 struct reaper_status { 72 uint32_t flags; 73 uint32_t refs; 74 long reserved1[15]; 75 pid_t pid_head; 76 int reserved2[15]; 77 }; 78 79 union reaper_info { 80 struct reaper_status status; 81 }; 82 83 #define _PROCCTL_PRESENT 84 85 #define PROC_REAP_ACQUIRE 0x0001 86 #define PROC_REAP_RELEASE 0x0002 87 #define PROC_REAP_STATUS 0x0003 88 89 #define REAPER_STAT_OWNED 0x00000001 90 #define REAPER_STAT_REALINIT 0x00000002 91 92 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) 93 94 struct proc; 95 96 struct sysreaper { 97 struct lock lock; /* thread or topo access */ 98 struct sysreaper *parent; /* upward topology only */ 99 struct proc *p; /* who the reaper is */ 100 uint32_t flags; /* control flags */ 101 u_int refs; /* shared structure refs */ 102 }; 103 104 #endif 105 106 #if !defined(_KERNEL) 107 108 int procctl(idtype_t idtype, id_t id, int cmd, void *arg); 109 110 #endif 111 112 #endif 113