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 #else 41 #include <sys/types.h> 42 #endif 43 44 typedef enum idtype { 45 /* 46 * These names were mostly lifted from Solaris source code and 47 * still use Solaris style naming to avoid breaking any 48 * OpenSolaris code which has been ported to FreeBSD. There 49 * is no clear FreeBSD counterpart for all of the names, but 50 * some have a clear correspondence to FreeBSD entities. 51 * 52 * The numerical values are kept synchronized with the Solaris 53 * values. 54 */ 55 P_PID, /* A process identifier. */ 56 P_PPID, /* A parent process identifier. */ 57 P_PGID, /* A process group identifier. */ 58 P_SID, /* A session identifier. */ 59 P_CID, /* A scheduling class identifier. */ 60 P_UID, /* A user identifier. */ 61 P_GID, /* A group identifier. */ 62 P_ALL, /* All processes. */ 63 P_LWPID, /* An LWP identifier. */ 64 P_TASKID, /* A task identifier. */ 65 P_PROJID, /* A project identifier. */ 66 P_POOLID, /* A pool identifier. */ 67 P_JAILID, /* A zone identifier. */ 68 P_CTID, /* A (process) contract identifier. */ 69 P_CPUID, /* CPU identifier. */ 70 P_PSETID /* Processor set identifier. */ 71 } idtype_t; /* The type of id_t we are using. */ 72 73 struct reaper_status { 74 uint32_t flags; 75 uint32_t refs; 76 long reserved1[15]; 77 pid_t pid_head; 78 int reserved2[15]; 79 }; 80 81 union reaper_info { 82 struct reaper_status status; 83 }; 84 85 #define _PROCCTL_PRESENT 86 87 #define PROC_REAP_ACQUIRE 0x0001 88 #define PROC_REAP_RELEASE 0x0002 89 #define PROC_REAP_STATUS 0x0003 90 91 #define REAPER_STAT_OWNED 0x00000001 92 #define REAPER_STAT_REALINIT 0x00000002 93 94 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) 95 96 struct proc; 97 98 struct sysreaper { 99 struct lock lock; /* thread or topo access */ 100 struct sysreaper *parent; /* upward topology only */ 101 struct proc *p; /* who the reaper is */ 102 uint32_t flags; /* control flags */ 103 u_int refs; /* shared structure refs */ 104 }; 105 106 #endif 107 108 #if !defined(_KERNEL) 109 110 int procctl(idtype_t idtype, id_t id, int cmd, void *arg); 111 112 #endif 113 114 #endif 115