1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _ZONEADMD_H 28 #define _ZONEADMD_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Multi-threaded programs should avoid MT-unsafe library calls (i.e., any- 38 * thing which could try to acquire a user-level lock unprotected by an atfork 39 * handler) between fork(2) and exec(2). See the pthread_atfork(3THR) man 40 * page for details. In particular, we want to avoid calls to zerror() in 41 * such situations, as it calls setlocale(3c) which is susceptible to such 42 * problems. So instead we have the child use one of the special exit codes 43 * below when needed, and the parent look out for such possibilities and call 44 * zerror() there. 45 * 46 * Since 0, 1 and 2 are generally used for success, general error, and usage, 47 * we start with 3. 48 */ 49 #define ZEXIT_FORK 3 50 #define ZEXIT_EXEC 4 51 #define ZEXIT_ZONE_ENTER 5 52 53 #define DEVFSADM "devfsadm" 54 #define DEVFSADM_PATH "/usr/sbin/devfsadm" 55 56 #define EXEC_PREFIX "exec " 57 #define EXEC_LEN (strlen(EXEC_PREFIX)) 58 59 #define CLUSTER_BRAND_NAME "cluster" 60 61 typedef struct zlog { 62 FILE *logfile; /* file to log to */ 63 64 /* 65 * The following are used if logging to a buffer. 66 */ 67 char *log; /* remaining log */ 68 size_t loglen; /* size of remaining log */ 69 char *buf; /* underlying storage */ 70 size_t buflen; /* total len of 'buf' */ 71 char *locale; /* locale to use for gettext() */ 72 } zlog_t; 73 74 extern zlog_t logsys; 75 76 extern mutex_t lock; 77 extern mutex_t msglock; 78 extern boolean_t in_death_throes; 79 extern boolean_t bringup_failure_recovery; 80 extern char *zone_name; 81 extern char boot_args[BOOTARGS_MAX]; 82 extern char bad_boot_arg[BOOTARGS_MAX]; 83 extern boolean_t zone_isnative; 84 extern boolean_t zone_iscluster; 85 86 extern void zerror(zlog_t *, boolean_t, const char *, ...); 87 extern char *localize_msg(char *locale, const char *msg); 88 89 /* 90 * Eventstream interfaces. 91 */ 92 typedef enum { 93 Z_EVT_NULL = 0, 94 Z_EVT_ZONE_BOOTING, 95 Z_EVT_ZONE_REBOOTING, 96 Z_EVT_ZONE_HALTED, 97 Z_EVT_ZONE_READIED, 98 Z_EVT_ZONE_UNINSTALLING, 99 Z_EVT_ZONE_BOOTFAILED, 100 Z_EVT_ZONE_BADARGS 101 } zone_evt_t; 102 103 extern int eventstream_init(); 104 extern void eventstream_write(zone_evt_t evt); 105 106 /* 107 * Virtual platform interfaces. 108 */ 109 extern zoneid_t vplat_create(zlog_t *, boolean_t); 110 extern int vplat_bringup(zlog_t *, boolean_t, zoneid_t); 111 extern int vplat_teardown(zlog_t *, boolean_t, boolean_t); 112 113 /* 114 * Console subsystem routines. 115 */ 116 extern int init_console_slave(zlog_t *); 117 extern void destroy_console_slave(void); 118 extern void reset_slave_terminal(zlog_t *); 119 extern int init_console(zlog_t *); 120 extern void serve_console(zlog_t *); 121 122 /* 123 * Contract handling. 124 */ 125 extern int init_template(void); 126 127 /* 128 * Routine to manage child processes. 129 */ 130 extern int do_subproc(zlog_t *, char *); 131 132 #ifdef __cplusplus 133 } 134 #endif 135 136 #endif /* _ZONEADMD_H */ 137