Annotation of src/usr.bin/netstat/if.c, Revision 1.55
1.55 ! deraadt 1: /* $OpenBSD: if.c,v 1.54 2007/12/14 18:35:46 deraadt Exp $ */
1.6 deraadt 2: /* $NetBSD: if.c,v 1.16.4.2 1996/06/07 21:46:46 thorpej Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
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 the
15: * documentation and/or other materials provided with the distribution.
1.35 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #include <sys/types.h>
34: #include <sys/protosw.h>
35: #include <sys/socket.h>
36:
37: #include <net/if.h>
38: #include <net/if_dl.h>
1.5 deraadt 39: #include <net/if_types.h>
1.1 deraadt 40: #include <netinet/in.h>
41: #include <netinet/in_var.h>
1.11 millert 42: #include <netinet/if_ether.h>
1.1 deraadt 43: #include <arpa/inet.h>
44:
1.13 millert 45: #include <limits.h>
1.1 deraadt 46: #include <signal.h>
47: #include <stdio.h>
1.36 david 48: #include <stdlib.h>
1.1 deraadt 49: #include <string.h>
50: #include <unistd.h>
51:
52: #include "netstat.h"
53:
54: #define YES 1
55: #define NO 0
56:
1.29 millert 57: static void sidewaysintpr(u_int, u_long);
58: static void catchalarm(int);
1.1 deraadt 59:
60: /*
61: * Print a description of the network interfaces.
1.3 deraadt 62: * NOTE: ifnetaddr is the location of the kernel global "ifnet",
63: * which is a TAILQ_HEAD.
1.1 deraadt 64: */
65: void
1.33 deraadt 66: intpr(int interval, u_long ifnetaddr)
1.1 deraadt 67: {
68: struct ifnet ifnet;
69: union {
70: struct ifaddr ifa;
71: struct in_ifaddr in;
1.18 itojun 72: struct in6_ifaddr in6;
1.1 deraadt 73: } ifaddr;
1.52 claudio 74: u_int64_t total;
75: u_long ifaddraddr;
1.1 deraadt 76: struct sockaddr *sa;
1.3 deraadt 77: struct ifnet_head ifhead; /* TAILQ_HEAD */
78: char name[IFNAMSIZ];
1.1 deraadt 79:
80: if (ifnetaddr == 0) {
81: printf("ifnet: symbol not defined\n");
82: return;
83: }
84: if (interval) {
85: sidewaysintpr((unsigned)interval, ifnetaddr);
86: return;
87: }
1.3 deraadt 88:
89: /*
90: * Find the pointer to the first ifnet structure. Replace
91: * the pointer to the TAILQ_HEAD with the actual pointer
92: * to the first list element.
93: */
1.43 jaredy 94: if (kread(ifnetaddr, &ifhead, sizeof ifhead))
1.1 deraadt 95: return;
1.45 otto 96: ifnetaddr = (u_long)TAILQ_FIRST(&ifhead);
1.3 deraadt 97:
1.22 camield 98: printf("%-7.7s %-5.5s %-11.11s %-17.17s ",
1.33 deraadt 99: "Name", "Mtu", "Network", "Address");
1.22 camield 100: if (bflag)
101: printf("%10.10s %10.10s", "Ibytes", "Obytes");
102: else
103: printf("%8.8s %5.5s %8.8s %5.5s %5.5s",
104: "Ipkts", "Ierrs", "Opkts", "Oerrs", "Colls");
1.1 deraadt 105: if (tflag)
106: printf(" %s", "Time");
107: if (dflag)
108: printf(" %s", "Drop");
109: putchar('\n');
110: ifaddraddr = 0;
111: while (ifnetaddr || ifaddraddr) {
112: struct sockaddr_in *sin;
1.18 itojun 113: struct sockaddr_in6 *sin6;
1.27 mpech 114: char *cp;
1.1 deraadt 115: int n, m;
116:
117: if (ifaddraddr == 0) {
1.43 jaredy 118: if (kread(ifnetaddr, &ifnet, sizeof ifnet))
1.1 deraadt 119: return;
1.3 deraadt 120: bcopy(ifnet.if_xname, name, IFNAMSIZ);
121: name[IFNAMSIZ - 1] = '\0'; /* sanity */
1.45 otto 122: ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_list);
1.3 deraadt 123: if (interface != 0 && strcmp(name, interface) != 0)
1.1 deraadt 124: continue;
1.10 millert 125: cp = strchr(name, '\0');
1.1 deraadt 126: if ((ifnet.if_flags & IFF_UP) == 0)
127: *cp++ = '*';
128: *cp = '\0';
1.45 otto 129: ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrlist);
1.1 deraadt 130: }
1.25 brian 131:
132: if (qflag) {
133: total = ifnet.if_ibytes + ifnet.if_obytes +
134: ifnet.if_ipackets + ifnet.if_ierrors +
135: ifnet.if_opackets + ifnet.if_oerrors +
136: ifnet.if_collisions;
137: if (tflag)
138: total += ifnet.if_timer;
139: if (dflag)
140: total += ifnet.if_snd.ifq_drops;
141: if (total == 0) {
142: ifaddraddr = 0;
143: continue;
144: }
145: }
146:
1.51 ray 147: printf("%-7s %-5ld ", name, ifnet.if_mtu);
1.1 deraadt 148: if (ifaddraddr == 0) {
149: printf("%-11.11s ", "none");
1.37 deraadt 150: printf("%-17.17s ", "none");
1.1 deraadt 151: } else {
1.43 jaredy 152: if (kread(ifaddraddr, &ifaddr, sizeof ifaddr)) {
1.1 deraadt 153: ifaddraddr = 0;
154: continue;
155: }
156: #define CP(x) ((char *)(x))
157: cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
158: CP(&ifaddr); sa = (struct sockaddr *)cp;
159: switch (sa->sa_family) {
160: case AF_UNSPEC:
161: printf("%-11.11s ", "none");
162: printf("%-17.17s ", "none");
163: break;
164: case AF_INET:
165: sin = (struct sockaddr_in *)sa;
166: #ifdef notdef
167: /* can't use inet_makeaddr because kernel
168: * keeps nets unshifted.
169: */
170: in = inet_makeaddr(ifaddr.in.ia_subnet,
1.30 deraadt 171: INADDR_ANY);
1.47 claudio 172: cp = netname4(in.s_addr,
1.30 deraadt 173: ifaddr.in.ia_subnetmask);
1.1 deraadt 174: #else
1.47 claudio 175: cp = netname4(ifaddr.in.ia_subnet,
1.20 itojun 176: ifaddr.in.ia_subnetmask);
1.1 deraadt 177: #endif
1.20 itojun 178: if (vflag)
179: n = strlen(cp) < 11 ? 11 : strlen(cp);
180: else
181: n = 11;
182: printf("%-*.*s ", n, n, cp);
1.47 claudio 183: cp = routename4(sin->sin_addr.s_addr);
1.20 itojun 184: if (vflag)
185: n = strlen(cp) < 17 ? 17 : strlen(cp);
186: else
187: n = 17;
188: printf("%-*.*s ", n, n, cp);
1.1 deraadt 189:
190: if (aflag) {
191: u_long multiaddr;
192: struct in_multi inm;
1.28 mickey 193:
1.45 otto 194: multiaddr = (u_long)LIST_FIRST(&ifaddr.in.ia_multiaddrs);
1.1 deraadt 195: while (multiaddr != 0) {
1.43 jaredy 196: kread(multiaddr, &inm, sizeof inm);
1.19 itojun 197: printf("\n%25s %-17.17s ", "",
1.47 claudio 198: routename4(inm.inm_addr.s_addr));
1.45 otto 199: multiaddr = (u_long)LIST_NEXT(&inm, inm_list);
1.1 deraadt 200: }
1.8 mickey 201: }
202: break;
1.18 itojun 203: case AF_INET6:
204: sin6 = (struct sockaddr_in6 *)sa;
1.34 itojun 205: #ifdef __KAME__
1.20 itojun 206: if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
207: sin6->sin6_scope_id =
1.30 deraadt 208: ntohs(*(u_int16_t *)
1.38 deraadt 209: &sin6->sin6_addr.s6_addr[2]);
1.20 itojun 210: sin6->sin6_addr.s6_addr[2] = 0;
211: sin6->sin6_addr.s6_addr[3] = 0;
212: }
213: #endif
214: cp = netname6(&ifaddr.in6.ia_addr,
1.47 claudio 215: &ifaddr.in6.ia_prefixmask);
1.20 itojun 216: if (vflag)
217: n = strlen(cp) < 11 ? 11 : strlen(cp);
218: else
219: n = 11;
220: printf("%-*.*s ", n, n, cp);
221: cp = routename6(sin6);
222: if (vflag)
223: n = strlen(cp) < 17 ? 17 : strlen(cp);
224: else
225: n = 17;
226: printf("%-*.*s ", n, n, cp);
1.19 itojun 227: if (aflag) {
228: u_long multiaddr;
229: struct in6_multi inm;
1.31 itojun 230: struct sockaddr_in6 m6;
1.28 mickey 231:
1.45 otto 232: multiaddr = (u_long)LIST_FIRST(&ifaddr.in6.ia6_multiaddrs);
1.19 itojun 233: while (multiaddr != 0) {
1.43 jaredy 234: kread(multiaddr, &inm, sizeof inm);
1.31 itojun 235: memset(&m6, 0, sizeof(m6));
236: m6.sin6_len = sizeof(struct sockaddr_in6);
237: m6.sin6_family = AF_INET6;
238: m6.sin6_addr = inm.in6m_addr;
1.34 itojun 239: #ifdef __KAME__
1.49 itojun 240: if (IN6_IS_ADDR_MC_LINKLOCAL(&m6.sin6_addr) ||
241: IN6_IS_ADDR_MC_INTFACELOCAL(&m6.sin6_addr)) {
1.31 itojun 242: m6.sin6_scope_id =
243: ntohs(*(u_int16_t *)
1.38 deraadt 244: &m6.sin6_addr.s6_addr[2]);
1.31 itojun 245: m6.sin6_addr.s6_addr[2] = 0;
246: m6.sin6_addr.s6_addr[3] = 0;
247: }
248: #endif
249: cp = routename6(&m6);
1.19 itojun 250: if (vflag)
1.31 itojun 251: n = strlen(cp) < 17 ? 17 : strlen(cp);
1.19 itojun 252: else
253: n = 17;
254: printf("\n%25s %-*.*s ", "",
1.31 itojun 255: n, n, cp);
1.45 otto 256: multiaddr = (u_long)LIST_NEXT(&inm, in6m_entry);
1.19 itojun 257: }
258: }
1.18 itojun 259: break;
1.15 denny 260: case AF_APPLETALK:
261: printf("atlk:%-12s",atalk_print(sa,0x10) );
262: printf("%-12s ",atalk_print(sa,0x0b) );
1.1 deraadt 263: break;
264: case AF_LINK:
265: {
266: struct sockaddr_dl *sdl =
267: (struct sockaddr_dl *)sa;
1.5 deraadt 268: m = printf("%-11.11s ", "<Link>");
269: if (sdl->sdl_type == IFT_ETHER ||
1.42 mpf 270: sdl->sdl_type == IFT_CARP ||
1.23 fgsch 271: sdl->sdl_type == IFT_FDDI ||
272: sdl->sdl_type == IFT_ISO88025)
1.5 deraadt 273: printf("%-17.17s ",
1.11 millert 274: ether_ntoa((struct ether_addr *)LLADDR(sdl)));
1.5 deraadt 275: else {
276: cp = (char *)LLADDR(sdl);
277: n = sdl->sdl_alen;
278: goto hexprint;
279: }
1.1 deraadt 280: }
1.5 deraadt 281: break;
1.1 deraadt 282: default:
283: m = printf("(%d)", sa->sa_family);
284: for (cp = sa->sa_len + (char *)sa;
285: --cp > sa->sa_data && (*cp == 0);) {}
286: n = cp - sa->sa_data + 1;
287: cp = sa->sa_data;
288: hexprint:
289: while (--n >= 0)
290: m += printf("%x%c", *cp++ & 0xff,
291: n > 0 ? '.' : ' ');
292: m = 30 - m;
293: while (m-- > 0)
294: putchar(' ');
295: break;
296: }
1.45 otto 297: ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_list);
1.1 deraadt 298: }
1.22 camield 299: if (bflag)
1.52 claudio 300: printf("%10llu %10llu",
1.22 camield 301: ifnet.if_ibytes, ifnet.if_obytes);
302: else
1.52 claudio 303: printf("%8llu %5llu %8llu %5llu %5llu",
1.22 camield 304: ifnet.if_ipackets, ifnet.if_ierrors,
305: ifnet.if_opackets, ifnet.if_oerrors,
306: ifnet.if_collisions);
1.1 deraadt 307: if (tflag)
1.22 camield 308: printf(" %4d", ifnet.if_timer);
1.1 deraadt 309: if (dflag)
1.22 camield 310: printf(" %4d", ifnet.if_snd.ifq_drops);
1.1 deraadt 311: putchar('\n');
312: }
313: }
314:
1.4 deraadt 315: #define MAXIF 100
1.1 deraadt 316: struct iftot {
1.3 deraadt 317: char ift_name[IFNAMSIZ]; /* interface name */
1.53 mk 318: u_int64_t ift_ip; /* input packets */
319: u_int64_t ift_ib; /* input bytes */
320: u_int64_t ift_ie; /* input errors */
321: u_int64_t ift_op; /* output packets */
322: u_int64_t ift_ob; /* output bytes */
323: u_int64_t ift_oe; /* output errors */
324: u_int64_t ift_co; /* collisions */
325: u_int64_t ift_dr; /* drops */
1.1 deraadt 326: } iftot[MAXIF];
327:
1.26 millert 328: volatile sig_atomic_t signalled; /* set if alarm goes off "early" */
1.1 deraadt 329:
330: /*
331: * Print a running summary of interface statistics.
332: * Repeat display every interval seconds, showing statistics
333: * collected over that interval. Assumes that interval is non-zero.
334: * First line printed at top of screen is always cumulative.
335: */
336: static void
1.33 deraadt 337: sidewaysintpr(unsigned int interval, u_long off)
1.1 deraadt 338: {
339: struct ifnet ifnet;
340: u_long firstifnet;
1.27 mpech 341: struct iftot *ip, *total;
342: int line;
1.1 deraadt 343: struct iftot *lastif, *sum, *interesting;
1.3 deraadt 344: struct ifnet_head ifhead; /* TAILQ_HEAD */
1.26 millert 345: sigset_t emptyset;
1.1 deraadt 346:
1.3 deraadt 347: /*
348: * Find the pointer to the first ifnet structure. Replace
349: * the pointer to the TAILQ_HEAD with the actual pointer
350: * to the first list element.
351: */
1.43 jaredy 352: if (kread(off, &ifhead, sizeof ifhead))
1.1 deraadt 353: return;
1.45 otto 354: firstifnet = (u_long)TAILQ_FIRST(&ifhead);
1.3 deraadt 355:
1.1 deraadt 356: lastif = iftot;
357: sum = iftot + MAXIF - 1;
358: total = sum - 1;
1.4 deraadt 359: interesting = (interface == NULL) ? iftot : NULL;
1.1 deraadt 360: for (off = firstifnet, ip = iftot; off;) {
1.43 jaredy 361: if (kread(off, &ifnet, sizeof ifnet))
1.1 deraadt 362: break;
1.6 deraadt 363: bzero(ip->ift_name, sizeof(ip->ift_name));
1.22 camield 364: snprintf(ip->ift_name, IFNAMSIZ, "%s", ifnet.if_xname);
1.6 deraadt 365: if (interface && strcmp(ifnet.if_xname, interface) == 0)
1.1 deraadt 366: interesting = ip;
367: ip++;
368: if (ip >= iftot + MAXIF - 2)
369: break;
1.45 otto 370: off = (u_long)TAILQ_NEXT(&ifnet, if_list);
1.4 deraadt 371: }
372: if (interesting == NULL) {
373: fprintf(stderr, "%s: %s: unknown interface\n",
374: __progname, interface);
375: exit(1);
1.1 deraadt 376: }
377: lastif = ip;
378:
379: (void)signal(SIGALRM, catchalarm);
380: signalled = NO;
381: (void)alarm(interval);
382: banner:
1.22 camield 383: if (bflag)
384: printf("%7.7s in %8.8s %6.6s out %5.5s",
385: interesting->ift_name, " ",
386: interesting->ift_name, " ");
387: else
388: printf("%5.5s in %5.5s%5.5s out %5.5s %5.5s",
389: interesting->ift_name, " ",
390: interesting->ift_name, " ", " ");
391: if (dflag)
392: printf(" %5.5s", " ");
1.1 deraadt 393: if (lastif - iftot > 0) {
1.22 camield 394: if (bflag)
395: printf(" %7.7s in %8.8s %6.6s out %5.5s",
396: "total", " ", "total", " ");
397: else
398: printf(" %5.5s in %5.5s%5.5s out %5.5s %5.5s",
399: "total", " ", "total", " ", " ");
1.1 deraadt 400: if (dflag)
1.22 camield 401: printf(" %5.5s", " ");
1.1 deraadt 402: }
403: for (ip = iftot; ip < iftot + MAXIF; ip++) {
404: ip->ift_ip = 0;
1.22 camield 405: ip->ift_ib = 0;
1.1 deraadt 406: ip->ift_ie = 0;
407: ip->ift_op = 0;
1.22 camield 408: ip->ift_ob = 0;
1.1 deraadt 409: ip->ift_oe = 0;
410: ip->ift_co = 0;
411: ip->ift_dr = 0;
412: }
413: putchar('\n');
1.22 camield 414: if (bflag)
415: printf("%10.10s %8.8s %10.10s %5.5s",
416: "bytes", " ", "bytes", " ");
417: else
418: printf("%8.8s %5.5s %8.8s %5.5s %5.5s",
419: "packets", "errs", "packets", "errs", "colls");
1.1 deraadt 420: if (dflag)
421: printf(" %5.5s", "drops");
1.22 camield 422: if (lastif - iftot > 0) {
423: if (bflag)
424: printf(" %10.10s %8.8s %10.10s %5.5s",
425: "bytes", " ", "bytes", " ");
426: else
427: printf(" %8.8s %5.5s %8.8s %5.5s %5.5s",
428: "packets", "errs", "packets", "errs", "colls");
429: if (dflag)
430: printf(" %5.5s", "drops");
431: }
1.1 deraadt 432: putchar('\n');
433: fflush(stdout);
434: line = 0;
435: loop:
436: sum->ift_ip = 0;
1.22 camield 437: sum->ift_ib = 0;
1.1 deraadt 438: sum->ift_ie = 0;
439: sum->ift_op = 0;
1.22 camield 440: sum->ift_ob = 0;
1.1 deraadt 441: sum->ift_oe = 0;
442: sum->ift_co = 0;
443: sum->ift_dr = 0;
444: for (off = firstifnet, ip = iftot; off && ip < lastif; ip++) {
1.43 jaredy 445: if (kread(off, &ifnet, sizeof ifnet)) {
1.1 deraadt 446: off = 0;
447: continue;
448: }
449: if (ip == interesting) {
1.22 camield 450: if (bflag)
1.53 mk 451: printf("%10llu %8.8s %10llu %5.5s",
1.22 camield 452: ifnet.if_ibytes - ip->ift_ib, " ",
453: ifnet.if_obytes - ip->ift_ob, " ");
454: else
1.53 mk 455: printf("%8llu %5llu %8llu %5llu %5llu",
1.22 camield 456: ifnet.if_ipackets - ip->ift_ip,
457: ifnet.if_ierrors - ip->ift_ie,
458: ifnet.if_opackets - ip->ift_op,
459: ifnet.if_oerrors - ip->ift_oe,
460: ifnet.if_collisions - ip->ift_co);
1.1 deraadt 461: if (dflag)
1.53 mk 462: printf(" %5llu",
1.1 deraadt 463: ifnet.if_snd.ifq_drops - ip->ift_dr);
464: }
465: ip->ift_ip = ifnet.if_ipackets;
1.22 camield 466: ip->ift_ib = ifnet.if_ibytes;
1.1 deraadt 467: ip->ift_ie = ifnet.if_ierrors;
468: ip->ift_op = ifnet.if_opackets;
1.22 camield 469: ip->ift_ob = ifnet.if_obytes;
1.1 deraadt 470: ip->ift_oe = ifnet.if_oerrors;
471: ip->ift_co = ifnet.if_collisions;
472: ip->ift_dr = ifnet.if_snd.ifq_drops;
473: sum->ift_ip += ip->ift_ip;
1.22 camield 474: sum->ift_ib += ip->ift_ib;
1.1 deraadt 475: sum->ift_ie += ip->ift_ie;
476: sum->ift_op += ip->ift_op;
1.22 camield 477: sum->ift_ob += ip->ift_ob;
1.1 deraadt 478: sum->ift_oe += ip->ift_oe;
479: sum->ift_co += ip->ift_co;
480: sum->ift_dr += ip->ift_dr;
1.45 otto 481: off = (u_long)TAILQ_NEXT(&ifnet, if_list);
1.1 deraadt 482: }
483: if (lastif - iftot > 0) {
1.22 camield 484: if (bflag)
1.53 mk 485: printf(" %10llu %8.8s %10llu %5.5s",
1.41 jaredy 486: sum->ift_ib - total->ift_ib, " ",
487: sum->ift_ob - total->ift_ob, " ");
1.22 camield 488: else
1.53 mk 489: printf(" %8llu %5llu %8llu %5llu %5llu",
1.41 jaredy 490: sum->ift_ip - total->ift_ip,
491: sum->ift_ie - total->ift_ie,
492: sum->ift_op - total->ift_op,
493: sum->ift_oe - total->ift_oe,
494: sum->ift_co - total->ift_co);
1.1 deraadt 495: if (dflag)
1.53 mk 496: printf(" %5llu", sum->ift_dr - total->ift_dr);
1.1 deraadt 497: }
498: *total = *sum;
499: putchar('\n');
500: fflush(stdout);
501: line++;
1.26 millert 502: sigemptyset(&emptyset);
503: if (!signalled)
504: sigsuspend(&emptyset);
1.1 deraadt 505: signalled = NO;
506: (void)alarm(interval);
507: if (line == 21)
508: goto banner;
509: goto loop;
510: /*NOTREACHED*/
511: }
512:
513: /*
514: * Called if an interval expires before sidewaysintpr has completed a loop.
515: * Sets a flag to not wait for the alarm.
516: */
1.46 deraadt 517: /* ARGSUSED */
1.1 deraadt 518: static void
1.33 deraadt 519: catchalarm(int signo)
1.1 deraadt 520: {
521: signalled = YES;
1.47 claudio 522: }
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