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 #ifndef _IDTYPE_T_DECLARED 45 #define _IDTYPE_T_DECLARED 46 /* SEE ALSO SYS/WAIT.H */ 47 48 typedef enum idtype { 49 /* 50 * These names were mostly lifted from Solaris source code and 51 * still use Solaris style naming to avoid breaking any 52 * OpenSolaris code which has been ported to FreeBSD/DragonFly. 53 * There is no clear DragonFly counterpart for all of the names, but 54 * some have a clear correspondence to DragonFly entities. 55 * 56 * The numerical values are kept synchronized with the Solaris 57 * values. 58 */ 59 P_PID, /* A process identifier. */ 60 P_PPID, /* A parent process identifier. */ 61 P_PGID, /* A process group identifier. */ 62 P_SID, /* A session identifier. */ 63 P_CID, /* A scheduling class identifier. */ 64 P_UID, /* A user identifier. */ 65 P_GID, /* A group identifier. */ 66 P_ALL, /* All processes. */ 67 P_LWPID, /* An LWP identifier. */ 68 P_TASKID, /* A task identifier. */ 69 P_PROJID, /* A project identifier. */ 70 P_POOLID, /* A pool identifier. */ 71 P_JAILID, /* A zone identifier. */ 72 P_CTID, /* A (process) contract identifier. */ 73 P_CPUID, /* CPU identifier. */ 74 P_PSETID /* Processor set identifier. */ 75 } idtype_t; /* The type of id_t we are using. */ 76 77 #endif 78 79 struct reaper_status { 80 uint32_t flags; 81 uint32_t refs; 82 long reserved1[15]; 83 pid_t pid_head; 84 int reserved2[15]; 85 }; 86 87 union reaper_info { 88 struct reaper_status status; 89 }; 90 91 #define _PROCCTL_PRESENT 92 93 #define PROC_REAP_ACQUIRE 0x0001 94 #define PROC_REAP_RELEASE 0x0002 95 #define PROC_REAP_STATUS 0x0003 96 97 #define REAPER_STAT_OWNED 0x00000001 98 #define REAPER_STAT_REALINIT 0x00000002 99 100 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES) 101 102 struct proc; 103 104 struct sysreaper { 105 struct lock lock; /* thread or topo access */ 106 struct sysreaper *parent; /* upward topology only */ 107 struct proc *p; /* who the reaper is */ 108 uint32_t flags; /* control flags */ 109 u_int refs; /* shared structure refs */ 110 }; 111 112 #endif 113 114 #if !defined(_KERNEL) 115 116 int procctl(idtype_t idtype, id_t id, int cmd, void *arg); 117 118 #endif 119 120 #endif 121