/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ #include #include #include #include #include #include "tmstruct.h" #include "ttymon.h" /* * global fd and fp */ FILE *Logfp = NULL; /* for log file */ int Lckfd; /* for pid file */ int Sfd, Pfd; /* for sacpipe and pmpipe */ int PCpipe[2]; /* pipe between Parent & Children */ #ifdef DEBUG FILE *Debugfp = NULL; /* for debug file */ #endif char State = PM_STARTING; /* current state */ char *Istate; /* initial state */ char *Tag; /* port monitor tag */ int Maxfiles; /* Max number of open files */ int Maxfds; /* Max no of devices ttymon can monitor */ int Reread_flag = FALSE; /* reread pmtab flag */ int Retry; /* retry open_device flag */ struct pmtab *PMtab = NULL; /* head pointer to pmtab linked list */ int Nentries = 0; /* # of entries in pmtab linked list */ struct Gdef Gdef[MAXDEFS]; /* array to hold entries in /etc/ttydefs */ int Ndefs = 0; /* highest index to Gdef that was used */ long Mtime = 0; /* last modification time of ttydefs */ struct pollfd *Pollp; /* ptr to an array of poll struct */ int Npollfd; /* size of the pollfd array */ struct Gdef DEFAULT = { /* default terminal settings */ "default", "9600", "9600 sane", 0, /* * next label is set to 4800 so we can start searching ttydefs. * if 4800 is not in ttydefs, we will loop back to use DEFAULT */ "4800" }; uid_t Uucp_uid = 5; /* owner's uid for bi-directional ports */ gid_t Tty_gid = 7; /* group id for all tty devices */ /* * Nlocked - number of ports that are either locked or have active * sessions not under this ttymon. */ int Nlocked = 0; /* original rlimit value */ struct rlimit Rlimit; /* * places to remember original signal dispositions and masks */ sigset_t Origmask; /* original signal mask */ struct sigaction Sigalrm; /* SIGALRM */ struct sigaction Sigcld; /* SIGCLD */ struct sigaction Sigint; /* SIGINT */ struct sigaction Sigpoll; /* SIGPOLL */ struct sigaction Sigquit; /* SIGQUIT */ struct sigaction Sigterm; /* SIGTERM */ #ifdef DEBUG struct sigaction Sigusr1; /* SIGUSR1 */ struct sigaction Sigusr2; /* SIGUSR2 */ #endif struct strbuf *peek_ptr; int Logmaxsz = 1000000; /* Log Max Size */ int Splflag = 0; /* serialize Log file manipulation */