1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate /* 30*7c478bd9Sstevel@tonic-gate * General utility routines. 31*7c478bd9Sstevel@tonic-gate */ 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate #include <syslog.h> 34*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 35*7c478bd9Sstevel@tonic-gate #include <stdio.h> 36*7c478bd9Sstevel@tonic-gate #include <stdarg.h> 37*7c478bd9Sstevel@tonic-gate #include <strings.h> 38*7c478bd9Sstevel@tonic-gate #include <time.h> 39*7c478bd9Sstevel@tonic-gate #include <errno.h> 40*7c478bd9Sstevel@tonic-gate #include <libintl.h> 41*7c478bd9Sstevel@tonic-gate #include <unistd.h> 42*7c478bd9Sstevel@tonic-gate #include "inetd_impl.h" 43*7c478bd9Sstevel@tonic-gate 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate /* location of inetd's debug log file */ 46*7c478bd9Sstevel@tonic-gate #define DEBUG_LOG_FILE "/var/tmp/inetd.log" 47*7c478bd9Sstevel@tonic-gate 48*7c478bd9Sstevel@tonic-gate /* size of buffer used in msg() to expand printf() like messages into */ 49*7c478bd9Sstevel@tonic-gate #define MSG_BUF_SIZE 1024 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate /* size of buffer used in msg() to store a date/time string */ 52*7c478bd9Sstevel@tonic-gate #define TIME_BUF_SIZE 50 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate /* number of pollfd we grow the pollfd array by at a time in set_pollfd() */ 55*7c478bd9Sstevel@tonic-gate #define POLLFDS_GROWTH_SIZE 16 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate /* enumeration of message types supported by msg() */ 58*7c478bd9Sstevel@tonic-gate typedef enum { 59*7c478bd9Sstevel@tonic-gate MT_ERROR, 60*7c478bd9Sstevel@tonic-gate MT_DEBUG, 61*7c478bd9Sstevel@tonic-gate MT_WARN 62*7c478bd9Sstevel@tonic-gate } si_msg_type_t; 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate /* 65*7c478bd9Sstevel@tonic-gate * Collection of information for each method type. 66*7c478bd9Sstevel@tonic-gate * NOTE: This table is indexed into using the instance_method_t 67*7c478bd9Sstevel@tonic-gate * enumeration, so the ordering needs to be kept in synch. 68*7c478bd9Sstevel@tonic-gate */ 69*7c478bd9Sstevel@tonic-gate method_type_info_t methods[] = { 70*7c478bd9Sstevel@tonic-gate {IM_START, START_METHOD_NAME, IIS_NONE}, 71*7c478bd9Sstevel@tonic-gate {IM_ONLINE, ONLINE_METHOD_NAME, IIS_ONLINE}, 72*7c478bd9Sstevel@tonic-gate {IM_OFFLINE, OFFLINE_METHOD_NAME, IIS_OFFLINE}, 73*7c478bd9Sstevel@tonic-gate {IM_DISABLE, DISABLE_METHOD_NAME, IIS_DISABLED}, 74*7c478bd9Sstevel@tonic-gate {IM_REFRESH, REFRESH_METHOD_NAME, IIS_ONLINE}, 75*7c478bd9Sstevel@tonic-gate {IM_NONE, "none", IIS_NONE} 76*7c478bd9Sstevel@tonic-gate }; 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate struct pollfd *poll_fds = NULL; 79*7c478bd9Sstevel@tonic-gate nfds_t num_pollfds; 80*7c478bd9Sstevel@tonic-gate static FILE *debug_fp = NULL; 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate boolean_t logging_enabled; 83*7c478bd9Sstevel@tonic-gate 84*7c478bd9Sstevel@tonic-gate void 85*7c478bd9Sstevel@tonic-gate msg_init(void) 86*7c478bd9Sstevel@tonic-gate { 87*7c478bd9Sstevel@tonic-gate openlog(SYSLOG_IDENT, LOG_PID|LOG_CONS, LOG_DAEMON); 88*7c478bd9Sstevel@tonic-gate 89*7c478bd9Sstevel@tonic-gate /* Try once at startup to open the log file. */ 90*7c478bd9Sstevel@tonic-gate debug_fp = fopen(DEBUG_LOG_FILE, "r+"); 91*7c478bd9Sstevel@tonic-gate if (debug_fp != NULL) 92*7c478bd9Sstevel@tonic-gate (void) fseeko(debug_fp, 0, SEEK_END); 93*7c478bd9Sstevel@tonic-gate logging_enabled = B_TRUE; 94*7c478bd9Sstevel@tonic-gate } 95*7c478bd9Sstevel@tonic-gate 96*7c478bd9Sstevel@tonic-gate void 97*7c478bd9Sstevel@tonic-gate msg_fini(void) 98*7c478bd9Sstevel@tonic-gate { 99*7c478bd9Sstevel@tonic-gate logging_enabled = B_FALSE; 100*7c478bd9Sstevel@tonic-gate if (debug_fp != NULL) { 101*7c478bd9Sstevel@tonic-gate (void) fclose(debug_fp); 102*7c478bd9Sstevel@tonic-gate debug_fp = NULL; 103*7c478bd9Sstevel@tonic-gate } 104*7c478bd9Sstevel@tonic-gate closelog(); 105*7c478bd9Sstevel@tonic-gate } 106*7c478bd9Sstevel@tonic-gate 107*7c478bd9Sstevel@tonic-gate /* 108*7c478bd9Sstevel@tonic-gate * Outputs a msg. If 'type' is set tp MT_ERROR or MT_WARN the message goes 109*7c478bd9Sstevel@tonic-gate * to syslog with severitys LOG_ERROR and LOG_WARN respectively. For all 110*7c478bd9Sstevel@tonic-gate * values of 'type' the message is written to the debug log file, if it 111*7c478bd9Sstevel@tonic-gate * was openable when inetd started. 112*7c478bd9Sstevel@tonic-gate */ 113*7c478bd9Sstevel@tonic-gate static void 114*7c478bd9Sstevel@tonic-gate msg(si_msg_type_t type, const char *format, va_list ap) 115*7c478bd9Sstevel@tonic-gate { 116*7c478bd9Sstevel@tonic-gate /* 117*7c478bd9Sstevel@tonic-gate * Use a stack buffer so we stand more chance of reporting a 118*7c478bd9Sstevel@tonic-gate * memory shortage failure. 119*7c478bd9Sstevel@tonic-gate */ 120*7c478bd9Sstevel@tonic-gate char buf[MSG_BUF_SIZE]; 121*7c478bd9Sstevel@tonic-gate char timebuf[TIME_BUF_SIZE]; 122*7c478bd9Sstevel@tonic-gate 123*7c478bd9Sstevel@tonic-gate if (!logging_enabled) 124*7c478bd9Sstevel@tonic-gate return; 125*7c478bd9Sstevel@tonic-gate 126*7c478bd9Sstevel@tonic-gate (void) vsnprintf(buf, sizeof (buf), format, ap); 127*7c478bd9Sstevel@tonic-gate 128*7c478bd9Sstevel@tonic-gate /* 129*7c478bd9Sstevel@tonic-gate * Log error and warning messages to syslog with appropriate severity. 130*7c478bd9Sstevel@tonic-gate */ 131*7c478bd9Sstevel@tonic-gate if (type == MT_ERROR) { 132*7c478bd9Sstevel@tonic-gate syslog(LOG_ERR, "%s", buf); 133*7c478bd9Sstevel@tonic-gate } else if (type == MT_WARN) { 134*7c478bd9Sstevel@tonic-gate syslog(LOG_WARNING, "%s", buf); 135*7c478bd9Sstevel@tonic-gate } 136*7c478bd9Sstevel@tonic-gate 137*7c478bd9Sstevel@tonic-gate if (debug_fp != NULL) { 138*7c478bd9Sstevel@tonic-gate struct tm tms; 139*7c478bd9Sstevel@tonic-gate time_t tm; 140*7c478bd9Sstevel@tonic-gate 141*7c478bd9Sstevel@tonic-gate /* 142*7c478bd9Sstevel@tonic-gate * We managed to open the log file at startup. Log all 143*7c478bd9Sstevel@tonic-gate * message types there - in addition to syslog. 144*7c478bd9Sstevel@tonic-gate */ 145*7c478bd9Sstevel@tonic-gate tm = time(NULL); 146*7c478bd9Sstevel@tonic-gate (void) strftime(timebuf, sizeof (timebuf), NULL, 147*7c478bd9Sstevel@tonic-gate localtime_r(&tm, &tms)); 148*7c478bd9Sstevel@tonic-gate (void) fputs(timebuf, debug_fp); 149*7c478bd9Sstevel@tonic-gate (void) fputs(": ", debug_fp); 150*7c478bd9Sstevel@tonic-gate 151*7c478bd9Sstevel@tonic-gate if (type == MT_ERROR) { 152*7c478bd9Sstevel@tonic-gate (void) fputs("ERROR: ", debug_fp); 153*7c478bd9Sstevel@tonic-gate } else if (type == MT_DEBUG) { 154*7c478bd9Sstevel@tonic-gate (void) fputs("DEBUG: ", debug_fp); 155*7c478bd9Sstevel@tonic-gate } else if (type == MT_WARN) { 156*7c478bd9Sstevel@tonic-gate (void) fputs("WARN: ", debug_fp); 157*7c478bd9Sstevel@tonic-gate } 158*7c478bd9Sstevel@tonic-gate 159*7c478bd9Sstevel@tonic-gate (void) fputs(buf, debug_fp); 160*7c478bd9Sstevel@tonic-gate 161*7c478bd9Sstevel@tonic-gate if (buf[strlen(buf) - 1] != '\n') 162*7c478bd9Sstevel@tonic-gate (void) fputc('\n', debug_fp); 163*7c478bd9Sstevel@tonic-gate 164*7c478bd9Sstevel@tonic-gate (void) fflush(debug_fp); 165*7c478bd9Sstevel@tonic-gate } 166*7c478bd9Sstevel@tonic-gate } 167*7c478bd9Sstevel@tonic-gate 168*7c478bd9Sstevel@tonic-gate /* 169*7c478bd9Sstevel@tonic-gate * Output a warning message. Unlike error_msg(), syslog doesn't get told 170*7c478bd9Sstevel@tonic-gate * to log to the console if syslogd isn't around. 171*7c478bd9Sstevel@tonic-gate */ 172*7c478bd9Sstevel@tonic-gate void 173*7c478bd9Sstevel@tonic-gate warn_msg(const char *format, ...) 174*7c478bd9Sstevel@tonic-gate { 175*7c478bd9Sstevel@tonic-gate va_list ap; 176*7c478bd9Sstevel@tonic-gate 177*7c478bd9Sstevel@tonic-gate closelog(); 178*7c478bd9Sstevel@tonic-gate openlog(SYSLOG_IDENT, LOG_PID, LOG_DAEMON); 179*7c478bd9Sstevel@tonic-gate 180*7c478bd9Sstevel@tonic-gate va_start(ap, format); 181*7c478bd9Sstevel@tonic-gate msg(MT_WARN, format, ap); 182*7c478bd9Sstevel@tonic-gate va_end(ap); 183*7c478bd9Sstevel@tonic-gate 184*7c478bd9Sstevel@tonic-gate closelog(); 185*7c478bd9Sstevel@tonic-gate openlog(SYSLOG_IDENT, LOG_PID|LOG_CONS, LOG_DAEMON); 186*7c478bd9Sstevel@tonic-gate } 187*7c478bd9Sstevel@tonic-gate 188*7c478bd9Sstevel@tonic-gate void 189*7c478bd9Sstevel@tonic-gate debug_msg(const char *format, ...) 190*7c478bd9Sstevel@tonic-gate { 191*7c478bd9Sstevel@tonic-gate va_list ap; 192*7c478bd9Sstevel@tonic-gate 193*7c478bd9Sstevel@tonic-gate va_start(ap, format); 194*7c478bd9Sstevel@tonic-gate msg(MT_DEBUG, format, ap); 195*7c478bd9Sstevel@tonic-gate va_end(ap); 196*7c478bd9Sstevel@tonic-gate } 197*7c478bd9Sstevel@tonic-gate 198*7c478bd9Sstevel@tonic-gate void 199*7c478bd9Sstevel@tonic-gate error_msg(const char *format, ...) 200*7c478bd9Sstevel@tonic-gate { 201*7c478bd9Sstevel@tonic-gate va_list ap; 202*7c478bd9Sstevel@tonic-gate 203*7c478bd9Sstevel@tonic-gate va_start(ap, format); 204*7c478bd9Sstevel@tonic-gate msg(MT_ERROR, format, ap); 205*7c478bd9Sstevel@tonic-gate va_end(ap); 206*7c478bd9Sstevel@tonic-gate } 207*7c478bd9Sstevel@tonic-gate 208*7c478bd9Sstevel@tonic-gate void 209*7c478bd9Sstevel@tonic-gate poll_fini(void) 210*7c478bd9Sstevel@tonic-gate { 211*7c478bd9Sstevel@tonic-gate if (poll_fds != NULL) { 212*7c478bd9Sstevel@tonic-gate free(poll_fds); 213*7c478bd9Sstevel@tonic-gate poll_fds = NULL; 214*7c478bd9Sstevel@tonic-gate } 215*7c478bd9Sstevel@tonic-gate } 216*7c478bd9Sstevel@tonic-gate 217*7c478bd9Sstevel@tonic-gate struct pollfd * 218*7c478bd9Sstevel@tonic-gate find_pollfd(int fd) 219*7c478bd9Sstevel@tonic-gate { 220*7c478bd9Sstevel@tonic-gate nfds_t n; 221*7c478bd9Sstevel@tonic-gate 222*7c478bd9Sstevel@tonic-gate for (n = 0; n < num_pollfds; n++) { 223*7c478bd9Sstevel@tonic-gate if (poll_fds[n].fd == fd) 224*7c478bd9Sstevel@tonic-gate return (&(poll_fds[n])); 225*7c478bd9Sstevel@tonic-gate } 226*7c478bd9Sstevel@tonic-gate return (NULL); 227*7c478bd9Sstevel@tonic-gate } 228*7c478bd9Sstevel@tonic-gate 229*7c478bd9Sstevel@tonic-gate int 230*7c478bd9Sstevel@tonic-gate set_pollfd(int fd, uint16_t events) 231*7c478bd9Sstevel@tonic-gate { 232*7c478bd9Sstevel@tonic-gate struct pollfd *p; 233*7c478bd9Sstevel@tonic-gate int i; 234*7c478bd9Sstevel@tonic-gate 235*7c478bd9Sstevel@tonic-gate debug_msg("Entering set_pollfd, fd: %d, num_pollfds: %d, fds: %x," 236*7c478bd9Sstevel@tonic-gate " events: %hu", fd, num_pollfds, poll_fds, events); 237*7c478bd9Sstevel@tonic-gate 238*7c478bd9Sstevel@tonic-gate p = find_pollfd(fd); 239*7c478bd9Sstevel@tonic-gate if ((p == NULL) && ((p = find_pollfd(-1)) == NULL)) { 240*7c478bd9Sstevel@tonic-gate if ((p = realloc(poll_fds, 241*7c478bd9Sstevel@tonic-gate ((num_pollfds + POLLFDS_GROWTH_SIZE) * 242*7c478bd9Sstevel@tonic-gate sizeof (struct pollfd)))) == NULL) { 243*7c478bd9Sstevel@tonic-gate return (-1); 244*7c478bd9Sstevel@tonic-gate } 245*7c478bd9Sstevel@tonic-gate poll_fds = p; 246*7c478bd9Sstevel@tonic-gate 247*7c478bd9Sstevel@tonic-gate for (i = 1; i < POLLFDS_GROWTH_SIZE; i++) 248*7c478bd9Sstevel@tonic-gate poll_fds[num_pollfds + i].fd = -1; 249*7c478bd9Sstevel@tonic-gate 250*7c478bd9Sstevel@tonic-gate p = &poll_fds[num_pollfds]; 251*7c478bd9Sstevel@tonic-gate num_pollfds += POLLFDS_GROWTH_SIZE; 252*7c478bd9Sstevel@tonic-gate } 253*7c478bd9Sstevel@tonic-gate 254*7c478bd9Sstevel@tonic-gate p->fd = fd; 255*7c478bd9Sstevel@tonic-gate p->events = events; 256*7c478bd9Sstevel@tonic-gate p->revents = 0; 257*7c478bd9Sstevel@tonic-gate 258*7c478bd9Sstevel@tonic-gate return (0); 259*7c478bd9Sstevel@tonic-gate } 260*7c478bd9Sstevel@tonic-gate 261*7c478bd9Sstevel@tonic-gate void 262*7c478bd9Sstevel@tonic-gate clear_pollfd(int fd) 263*7c478bd9Sstevel@tonic-gate { 264*7c478bd9Sstevel@tonic-gate struct pollfd *p; 265*7c478bd9Sstevel@tonic-gate 266*7c478bd9Sstevel@tonic-gate if ((p = find_pollfd(fd)) != NULL) { 267*7c478bd9Sstevel@tonic-gate p->fd = -1; 268*7c478bd9Sstevel@tonic-gate p->events = 0; 269*7c478bd9Sstevel@tonic-gate p->revents = 0; 270*7c478bd9Sstevel@tonic-gate } 271*7c478bd9Sstevel@tonic-gate } 272*7c478bd9Sstevel@tonic-gate 273*7c478bd9Sstevel@tonic-gate boolean_t 274*7c478bd9Sstevel@tonic-gate isset_pollfd(int fd) 275*7c478bd9Sstevel@tonic-gate { 276*7c478bd9Sstevel@tonic-gate struct pollfd *p = find_pollfd(fd); 277*7c478bd9Sstevel@tonic-gate 278*7c478bd9Sstevel@tonic-gate return ((p != NULL) && (p->revents & POLLIN)); 279*7c478bd9Sstevel@tonic-gate } 280*7c478bd9Sstevel@tonic-gate 281*7c478bd9Sstevel@tonic-gate /* 282*7c478bd9Sstevel@tonic-gate * An extension of read() that keeps retrying until either the full request has 283*7c478bd9Sstevel@tonic-gate * completed, the other end of the connection/pipe is closed, no data is 284*7c478bd9Sstevel@tonic-gate * readable for a non-blocking socket/pipe, or an unexpected error occurs. 285*7c478bd9Sstevel@tonic-gate * Returns 0 if the data is successfully read, 1 if the other end of the pipe/ 286*7c478bd9Sstevel@tonic-gate * socket is closed or there's nothing to read from a non-blocking socket/pipe, 287*7c478bd9Sstevel@tonic-gate * else -1 if an unexpected error occurs. 288*7c478bd9Sstevel@tonic-gate */ 289*7c478bd9Sstevel@tonic-gate int 290*7c478bd9Sstevel@tonic-gate safe_read(int fd, void *buf, size_t sz) 291*7c478bd9Sstevel@tonic-gate { 292*7c478bd9Sstevel@tonic-gate int ret; 293*7c478bd9Sstevel@tonic-gate size_t cnt = 0; 294*7c478bd9Sstevel@tonic-gate char *cp = (char *)buf; 295*7c478bd9Sstevel@tonic-gate 296*7c478bd9Sstevel@tonic-gate if (sz == 0) 297*7c478bd9Sstevel@tonic-gate return (0); 298*7c478bd9Sstevel@tonic-gate 299*7c478bd9Sstevel@tonic-gate do { 300*7c478bd9Sstevel@tonic-gate switch (ret = read(fd, cp + cnt, sz - cnt)) { 301*7c478bd9Sstevel@tonic-gate case 0: /* other end of pipe/socket closed */ 302*7c478bd9Sstevel@tonic-gate return (1); 303*7c478bd9Sstevel@tonic-gate case -1: 304*7c478bd9Sstevel@tonic-gate if (errno == EAGAIN) { /* nothing to read */ 305*7c478bd9Sstevel@tonic-gate return (1); 306*7c478bd9Sstevel@tonic-gate } else if (errno != EINTR) { 307*7c478bd9Sstevel@tonic-gate error_msg(gettext("Unexpected read error: %s"), 308*7c478bd9Sstevel@tonic-gate strerror(errno)); 309*7c478bd9Sstevel@tonic-gate return (-1); 310*7c478bd9Sstevel@tonic-gate } 311*7c478bd9Sstevel@tonic-gate break; 312*7c478bd9Sstevel@tonic-gate 313*7c478bd9Sstevel@tonic-gate default: 314*7c478bd9Sstevel@tonic-gate cnt += ret; 315*7c478bd9Sstevel@tonic-gate } 316*7c478bd9Sstevel@tonic-gate } while (cnt != sz); 317*7c478bd9Sstevel@tonic-gate 318*7c478bd9Sstevel@tonic-gate return (0); 319*7c478bd9Sstevel@tonic-gate } 320*7c478bd9Sstevel@tonic-gate 321*7c478bd9Sstevel@tonic-gate /* 322*7c478bd9Sstevel@tonic-gate * Return B_TRUE if instance 'inst' has exceeded its configured maximum 323*7c478bd9Sstevel@tonic-gate * concurrent copies limit, else B_FALSE. 324*7c478bd9Sstevel@tonic-gate */ 325*7c478bd9Sstevel@tonic-gate boolean_t 326*7c478bd9Sstevel@tonic-gate copies_limit_exceeded(instance_t *inst) 327*7c478bd9Sstevel@tonic-gate { 328*7c478bd9Sstevel@tonic-gate /* any value <=0 means that copies limits are disabled */ 329*7c478bd9Sstevel@tonic-gate return ((inst->config->basic->max_copies > 0) && 330*7c478bd9Sstevel@tonic-gate (inst->copies >= inst->config->basic->max_copies)); 331*7c478bd9Sstevel@tonic-gate } 332*7c478bd9Sstevel@tonic-gate 333*7c478bd9Sstevel@tonic-gate /* 334*7c478bd9Sstevel@tonic-gate * Cancel the method/con-rate offline timer associated with the instance. 335*7c478bd9Sstevel@tonic-gate */ 336*7c478bd9Sstevel@tonic-gate void 337*7c478bd9Sstevel@tonic-gate cancel_inst_timer(instance_t *inst) 338*7c478bd9Sstevel@tonic-gate { 339*7c478bd9Sstevel@tonic-gate (void) iu_cancel_timer(timer_queue, inst->timer_id, NULL); 340*7c478bd9Sstevel@tonic-gate inst->timer_id = -1; 341*7c478bd9Sstevel@tonic-gate } 342*7c478bd9Sstevel@tonic-gate 343*7c478bd9Sstevel@tonic-gate /* 344*7c478bd9Sstevel@tonic-gate * Cancel the bind retry timer associated with the instance. 345*7c478bd9Sstevel@tonic-gate */ 346*7c478bd9Sstevel@tonic-gate void 347*7c478bd9Sstevel@tonic-gate cancel_bind_timer(instance_t *inst) 348*7c478bd9Sstevel@tonic-gate { 349*7c478bd9Sstevel@tonic-gate (void) iu_cancel_timer(timer_queue, inst->bind_timer_id, NULL); 350*7c478bd9Sstevel@tonic-gate inst->bind_timer_id = -1; 351*7c478bd9Sstevel@tonic-gate } 352*7c478bd9Sstevel@tonic-gate 353*7c478bd9Sstevel@tonic-gate void 354*7c478bd9Sstevel@tonic-gate enable_blocking(int fd) 355*7c478bd9Sstevel@tonic-gate { 356*7c478bd9Sstevel@tonic-gate int flags = fcntl(fd, F_GETFL, 0); 357*7c478bd9Sstevel@tonic-gate (void) fcntl(fd, F_SETFL, (flags & ~O_NONBLOCK)); 358*7c478bd9Sstevel@tonic-gate } 359*7c478bd9Sstevel@tonic-gate 360*7c478bd9Sstevel@tonic-gate void 361*7c478bd9Sstevel@tonic-gate disable_blocking(int fd) 362*7c478bd9Sstevel@tonic-gate { 363*7c478bd9Sstevel@tonic-gate int flags = fcntl(fd, F_GETFL, 0); 364*7c478bd9Sstevel@tonic-gate (void) fcntl(fd, F_SETFL, (flags | O_NONBLOCK)); 365*7c478bd9Sstevel@tonic-gate } 366