util.c revision b00044a2eb43864b8718585d21949611a2ee59ef
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/*
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * CDDL HEADER START
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * The contents of this file are subject to the terms of the
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Common Development and Distribution License (the "License").
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * You may not use this file except in compliance with the License.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * or http://www.opensolaris.org/os/licensing.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * See the License for the specific language governing permissions
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * and limitations under the License.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * When distributing Covered Code, include this CDDL HEADER in each
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * If applicable, add the following below this CDDL HEADER, with the
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * fields enclosed by brackets "[]" replaced with your own identifying
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * information: Portions Copyright [yyyy] [name of copyright owner]
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * CDDL HEADER END
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/*
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Use is subject to license terms.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/*
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * util.c contains a set of miscellaneous utility functions which:
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - syslog(LOG_DEBUG, ...) if debugging is enabled
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - check for an IP interface being marked running
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - look up all flags for an IP interface
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - start a child process
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - schedule a timer
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - look up the zone name
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <stdarg.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <stdio.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <stdlib.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <unistd.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <pthread.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <string.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <stropts.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <syslog.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <sys/types.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <sys/socket.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <net/if.h>
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson#include <netinet/in.h>
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson#include <arpa/inet.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <spawn.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <wait.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <inetcfg.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <errno.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include <zone.h>
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include "defines.h"
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include "structures.h"
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include "functions.h"
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#include "variables.h"
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckextern char **environ;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckboolean_t debug = B_FALSE;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
10e672b7a3135068856cad9c6564d7d0a38fd869meem/* PRINTFLIKE1 */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckvoid
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckdprintf(const char *fmt, ...)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck{
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck va_list ap;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck char vbuf[1024];
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck va_start(ap, fmt);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (debug) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) vsnprintf(vbuf, sizeof (vbuf), fmt, ap);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_DEBUG, "%d: %s", pthread_self(), vbuf);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck va_end(ap);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck}
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckuint64_t
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckget_ifflags(const char *name, sa_family_t family)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck{
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck icfg_if_t intf;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck icfg_handle_t h;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck uint64_t flags = 0;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) strlcpy(intf.if_name, name, sizeof (intf.if_name));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck intf.if_protocol = family;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (icfg_open(&h, &intf) != ICFG_SUCCESS)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (0);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (icfg_get_flags(h, &flags) != ICFG_SUCCESS) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck /*
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Interfaces can be ripped out from underneath us (for example
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * by DHCP). We don't want to spam the console for those.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (errno == ENOENT)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("get_ifflags: icfg_get_flags failed for '%s'",
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck name);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck else
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "get_ifflags: icfg_get_flags %s af "
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck "%d: %m", name, family);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck /* just to be sure... */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck flags = 0;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck icfg_close(h);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (flags);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck}
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson/* This is just a work-around for CR 6745448: clear out a toxic interface */
b00044a2eb43864b8718585d21949611a2ee59efJames Carlsonvoid
b00044a2eb43864b8718585d21949611a2ee59efJames Carlsonzero_out_v4addr(const char *name)
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson{
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson icfg_if_t intf;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson icfg_handle_t h;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson struct sockaddr_in sinv;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson socklen_t sinlen;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson int pfxlen;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson (void) strlcpy(intf.if_name, name, sizeof (intf.if_name));
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson intf.if_protocol = AF_INET;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson if (icfg_open(&h, &intf) != ICFG_SUCCESS)
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson return;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson sinlen = sizeof (sinv);
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson if (icfg_get_addr(h, (struct sockaddr *)&sinv, &sinlen, &pfxlen,
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson B_FALSE) == ICFG_SUCCESS &&
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson sinv.sin_addr.s_addr != INADDR_ANY) {
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson dprintf("bug workaround: clear out address %s on %s",
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson inet_ntoa(sinv.sin_addr), name);
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson sinv.sin_addr.s_addr = INADDR_ANY;
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson (void) icfg_set_addr(h, (const struct sockaddr *)&sinv, sinlen);
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson }
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson icfg_close(h);
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson}
b00044a2eb43864b8718585d21949611a2ee59efJames Carlson
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/*
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * This starts a child process determined by command. If command contains a
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * slash then it is assumed to be a full path; otherwise the path is searched
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * for an executable file with the name command. Command is also used as
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * argv[0] of the new process. The rest of the arguments of the function
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * up to the first NULL make up pointers to arguments of the new process.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * This function returns child exit status on success and -1 on failure.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck *
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * NOTE: original_sigmask must be set before this function is called.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckint
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckstart_childv(const char *command, char const * const *argv)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck{
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck posix_spawnattr_t attr;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck sigset_t fullset;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck int i, rc, status, n;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck pid_t pid;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck char vbuf[1024];
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck vbuf[0] = 0;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck n = sizeof (vbuf);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck for (i = 1; argv[i] != NULL && n > 2; i++) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck n -= strlcat(vbuf, " ", n);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck n -= strlcat(vbuf, argv[i], n);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (argv[i] != NULL || n < 0)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "start_childv can't log full arg vector");
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_init(&attr)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("posix_spawnattr_init %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) sigfillset(&fullset);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_setsigdefault(&attr, &fullset)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("setsigdefault %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_setsigmask(&attr, &original_sigmask)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("setsigmask %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_setflags(&attr,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck POSIX_SPAWN_SETSIGDEF|POSIX_SPAWN_SETSIGMASK)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("setflags %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnp(&pid, command, NULL, &attr, (char * const *)argv,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck environ)) > 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("posix_spawnp failed errno %d", rc);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_destroy(&attr)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("posix_spawn_attr_destroy %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) waitpid(pid, &status, 0);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (WIFSIGNALED(status) || WIFSTOPPED(status)) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck i = WIFSIGNALED(status) ? WTERMSIG(status) : WSTOPSIG(status);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "'%s%s' %s with signal %d (%s)", command, vbuf,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (WIFSIGNALED(status) ? "terminated" : "stopped"), i,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck strsignal(i));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-2);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck } else {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_INFO, "'%s%s' completed normally: %d", command, vbuf,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck WEXITSTATUS(status));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (WEXITSTATUS(status));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck}
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckint
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckstart_child(const char *command, ...)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck{
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck const char **argv = NULL;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck int argv_len = 0;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck va_list ap;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck int i = 1, rc;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck va_start(ap, command);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck do {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (i >= argv_len) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck void *p;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck argv_len = argv_len != 0 ? argv_len * 2 : 4;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck p = realloc(argv, sizeof (*argv)*argv_len);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (p != NULL) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck argv = p;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck } else {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "Out of memory in start_child");
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck free(argv);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck }
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck argv[i] = va_arg(ap, const char *);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck } while (argv[i++] != NULL);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck va_end(ap);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck argv[0] = command;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck rc = start_childv(command, argv);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck free(argv);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (rc);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck}
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckuint32_t timer_expire = TIMER_INFINITY;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck/*
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Schedules a SIGALRM in delay seconds, unless one is already
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * scheduled sooner. If one is already scheduled later than
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * delay seconds from now, that one will be replaced.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckvoid
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckstart_timer(uint32_t now, uint32_t delay)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck{
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (now + delay > timer_expire)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck timer_expire = now + delay;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) alarm(delay);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck}
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckvoid
d71dbb732372504daff1f1783bc0d8864ce9bd50jbecklookup_zonename(char *zonename, size_t zonesize)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck{
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck zoneid_t zoneid = getzoneid();
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (getzonenamebyid(zoneid, zonename, zonesize) >= 0)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "could not determine zone name");
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) strlcpy(zonename, GLOBAL_ZONENAME, zonesize);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck}