|
- /*
- * T T C P . C
- *
- * Test TCP connection. Makes a connection on port 5001
- * and transfers fabricated buffers or data copied from stdin.
- *
- * Usable on 4.2, 4.3, and 4.1a systems by defining one of
- * BSD42 BSD43 (BSD41a)
- * Machines using System V with BSD sockets should define SYSV.
- *
- * Modified for operation under 4.2BSD, 18 Dec 84
- * T.C. Slattery, USNA
- * Minor improvements, Mike Muuss and Terry Slattery, 16-Oct-85.
- * Modified in 1989 at Silicon Graphics, Inc.
- * catch SIGPIPE to be able to print stats when receiver has died
- * for tcp, don't look for sentinel during reads to allow small transfers
- * increased default buffer size to 8K, nbuf to 2K to transfer 16MB
- * moved default port to 5001, beyond IPPORT_USERRESERVED
- * make sinkmode default because it is more popular,
- * -s now means don't sink/source
- * count number of read/write system calls to see effects of
- * blocking from full socket buffers
- * for tcp, -D option turns off buffered writes (sets TCP_NODELAY sockopt)
- * buffer alignment options, -A and -O
- * print stats in a format that's a bit easier to use with grep & awk
- * for SYSV, mimic BSD routines to use most of the existing timing code
- *
- * Distribution Status -
- * Public Domain. Distribution Unlimited.
- */
- /* Modified by Yvan Pointurier (yp9x), University of Virginia - May 2002 */
- /* Modified by Joachim Nilsson (troglobit), GitHub - Jul 2015 */
-
- #define BSD43
- /* #define BSD42 */
- /* #define BSD41a */
- #if defined(sgi)
- #define SYSV
- #endif
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <signal.h>
- #include <ctype.h>
- #include <errno.h>
- #include <unistd.h>
- #include <arpa/inet.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <netinet/tcp.h>
- #include <netdb.h>
- #include <sys/time.h> /* struct timeval */
-
- #if defined(SYSV)
- #include <sys/times.h>
- #include <sys/param.h>
- struct rusage {
- struct timeval ru_utime, ru_stime;
- };
- #define RUSAGE_SELF 0
- #else
- #include <sys/resource.h>
- #endif
-
- struct sockaddr_in sinme;
- struct sockaddr_in sinhim;
- struct sockaddr_in frominet;
-
- socklen_t fromlen;
- int domain;
- int fd; /* fd of network socket */
-
- size_t buflen = 8 * 1024; /* length of buffer */
- char *buf; /* ptr to dynamic buffer */
- int nbuf = 8 * 1024; /* number of buffers to send in sinkmode */
-
- int bufoffset = 0; /* align buffer to this */
- int bufalign = 16 * 1024; /* modulo this */
-
- int udp = 0; /* 0 = tcp, !0 = udp */
- int ttl = 100; /* for multicast only */
- int options = 0; /* socket options */
- int one = 1; /* for 4.3 BSD style setsockopt() */
- short port = 5001; /* TCP port number */
- char *host; /* ptr to name of host */
- int trans; /* 0=receive, !0=transmit mode */
- int sinkmode = 1; /* 0=normal I/O, !0=sink/source mode */
- int verbose = 0; /* 0=print basic info, 1=print cpu rate, proc
- * resource usage. */
- int nodelay = 0; /* set TCP_NODELAY socket option */
- int b_flag = 0; /* use mread() */
- int mcast = 0; /* 1 = multicast reception, 0 = unicast */
- char *mgroup; /* multicast group address */
- /*#define MAXPAK 32768 *//* max # of packets received */
- /*int rcvBytesArray[MAXPAK]; */
- /*double rcvTimeArray[MAXPAK]; */
- int rcvIndex = 0; /* index in the arrays */
- long rate = 0; /* sending rate */
-
- struct hostent *addr;
- extern int errno;
-
- char Usage[] = "\
- Usage: ttcp -t [-options] host [ < in ]\n\
- ttcp -r [-options > out]\n\
- Common options:\n\
- -l## length of bufs read from or written to network (default 8192)\n\
- -u use UDP instead of TCP\n\
- -p## port number to send to or listen at (default 5001)\n\
- -s -t: don't source a pattern to network, get data from stdin\n\
- -r: don't sink (discard), print data on stdout\n\
- -A align the start of buffers to this modulus (default 16384)\n\
- -O start buffers at this offset from the modulus (default 0)\n\
- -v verbose: print more statistics\n\
- -d set SO_DEBUG socket option\n\
- Options specific to -t:\n\
- -n## number of source bufs written to network (default 8192)\n\
- -D don't buffer TCP writes (sets TCP_NODELAY socket option)\n\
- -iTTL sets the ttl of the packets (multicast packets)\n\
- -R## slows down sending rate (higher values mean slower rates\n\
- Options specific to -r:\n\
- -B for -s, only output full blocks as specified by -l (for TAR)\n\
- -m IP bind to a multicast group designated by its IP address\n\
- ";
-
- char stats[128];
- size_t nbytes; /* bytes on net */
- size_t numCalls; /* # of I/O system calls */
-
- void prep_timer();
- double read_timer();
- double cput, realt; /* user, real time (seconds) */
-
- static void sigpipe()
- {
- }
-
-
- static void err(char *s)
- {
- fprintf(stderr, "ttcp%s: ", trans ? "-t" : "-r");
- perror(s);
- fprintf(stderr, "errno=%d\n", errno);
- exit(1);
- }
-
- static void mes(char *s)
- {
- fprintf(stderr, "ttcp%s: %s\n", trans ? "-t" : "-r", s);
- }
-
- static void pattern(char *cp, size_t cnt)
- {
- char c = 0;
-
- while (cnt-- > 0) {
- while (!isprint((c & 0x7F)))
- c++;
- *cp++ = (c++ & 0x7F);
- }
- }
-
- static void tvadd(struct timeval *tsum, struct timeval *t0, struct timeval *t1)
- {
-
- tsum->tv_sec = t0->tv_sec + t1->tv_sec;
- tsum->tv_usec = t0->tv_usec + t1->tv_usec;
- if (tsum->tv_usec > 1000000)
- tsum->tv_sec++, tsum->tv_usec -= 1000000;
- }
-
- static void tvsub(struct timeval *tdiff, struct timeval *t1, struct timeval *t0)
- {
-
- tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
- tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
- if (tdiff->tv_usec < 0)
- tdiff->tv_sec--, tdiff->tv_usec += 1000000;
- }
-
- #define END(x) {while(*x) x++;}
- static void psecs(int l, char *cp)
- {
- int i;
-
- i = l / 3600;
- if (i) {
- sprintf(cp, "%d:", i);
- END(cp);
- i = l % 3600;
- sprintf(cp, "%d%d", (i / 60) / 10, (i / 60) % 10);
- END(cp);
- } else {
- i = l;
- sprintf(cp, "%d", i / 60);
- END(cp);
- }
- i %= 60;
- *cp++ = ':';
- sprintf(cp, "%d%d", i / 10, i % 10);
- }
-
- /*
- * M R E A D
- *
- * This function performs the function of a read(II) but will
- * call read(II) multiple times in order to get the requested
- * number of characters. This can be necessary because
- * network connections don't deliver data with the same
- * grouping as it is written with. Written by Robert S. Miles, BRL.
- */
- static ssize_t mread(int fd, char *bufp, size_t len)
- {
- int nread;
- size_t bytes = 0;
-
- do {
- nread = read(fd, bufp, len - bytes);
- numCalls++;
- if (nread < 0) {
- perror("ttcp_mread");
- return (-1);
- }
- if (nread == 0)
- return ((int)bytes);
- bytes += (unsigned)nread;
- bufp += nread;
- } while (bytes < len);
-
- return bytes;
- }
-
- /*
- * N R E A D
- */
- static ssize_t Nread(int fd, char *buf, size_t len)
- {
- size_t bytes;
- struct sockaddr_in from;
- socklen_t from_len = sizeof(from);
-
- if (udp) {
- bytes = recvfrom(fd, buf, len, 0, (struct sockaddr *)&from, &from_len);
- numCalls++;
- } else {
- if (b_flag)
- bytes = mread(fd, buf, len); /* fill buf */
- else {
- bytes = read(fd, buf, len);
- numCalls++;
- }
- }
-
- return bytes;
- }
-
- static void delay(int us)
- {
- struct timeval tv;
-
- tv.tv_sec = 0;
- tv.tv_usec = us;
- select(1, NULL, NULL, NULL, &tv);
- }
-
- /*
- * N W R I T E
- */
- static ssize_t Nwrite(int fd, char *buf, size_t len)
- {
- int i;
- ssize_t bytes;
-
- if (rate > 0)
- for (i = 0; i < rate * 100; i++) ;
- if (udp) {
- again:
- bytes = sendto(fd, buf, len, 0, (struct sockaddr *)&sinhim, sizeof(sinhim));
- numCalls++;
- if (bytes < 0 && errno == ENOBUFS) {
- delay(18000);
- errno = 0;
- goto again;
- }
- } else {
- bytes = write(fd, buf, len);
- numCalls++;
- }
-
- return bytes;
- }
-
- int main(int argc, char *argv[])
- {
- unsigned long addr_tmp;
-
- if (argc < 2)
- goto usage;
-
- argv++;
- argc--;
- while (argc > 0 && argv[0][0] == '-') {
- switch (argv[0][1]) {
-
- case 'B':
- b_flag = 1;
- break;
- case 't':
- trans = 1;
- break;
- case 'r':
- trans = 0;
- break;
- case 'd':
- options |= SO_DEBUG;
- break;
- case 'D':
- nodelay = 1;
- break;
- case 'n':
- nbuf = atoi(&argv[0][2]);
- break;
- case 'l':
- buflen = atoi(&argv[0][2]);
- break;
- case 's':
- sinkmode = 0; /* sink/source data */
- break;
- case 'p':
- port = atoi(&argv[0][2]);
- break;
- case 'u':
- udp = 1;
- break;
- case 'v':
- verbose = 1;
- break;
- case 'A':
- bufalign = atoi(&argv[0][2]);
- break;
- case 'O':
- bufoffset = atoi(&argv[0][2]);
- break;
- case 'i':
- ttl = atoi(&argv[0][2]);
- break;
- case 'R':
- rate = atol(&argv[0][2]);
- break;
- case 'm':
- mcast = 1;
- argv++;
- argc--;
- if (argc > 0)
- mgroup = argv[0];
- else
- goto usage;
- break;
- default:
- goto usage;
- }
- argv++;
- argc--;
- }
- if (trans) {
- /* xmitr */
- if (argc != 1)
- goto usage;
-
- memset(&sinhim, 0, sizeof(sinhim));
- host = argv[0];
- if (atoi(host) > 0) {
- /* Numeric */
- sinhim.sin_family = AF_INET;
- #if defined(cray)
- addr_tmp = inet_addr(host);
- sinhim.sin_addr = addr_tmp;
- #else
- sinhim.sin_addr.s_addr = inet_addr(host);
- #endif
- } else {
- if ((addr = gethostbyname(host)) == NULL)
- err("bad hostname");
- sinhim.sin_family = addr->h_addrtype;
- memcpy(&addr_tmp, addr->h_addr, addr->h_length);
- #if defined(cray)
- sinhim.sin_addr = addr_tmp;
- #else
- sinhim.sin_addr.s_addr = addr_tmp;
- #endif /* cray */
- }
- sinhim.sin_port = htons(port);
- sinme.sin_port = 0; /* free choice */
- } else {
- /* rcvr */
- sinme.sin_port = htons(port);
- }
-
-
- if (udp && buflen < 5) {
- buflen = 5; /* send more than the sentinel size */
- }
-
- buf = (char *)malloc(buflen + bufalign);
- if (!buf)
- err("malloc");
- if (bufalign != 0)
- buf += (bufalign - ((int)buf % bufalign) + bufoffset) % bufalign;
-
- if (trans) {
- fprintf(stdout,
- "#ttcp-t: buflen=%zd, nbuf=%d, align=%d/+%d, port=%d %s -> %s\n",
- buflen, nbuf, bufalign, bufoffset, port, udp ? "udp" : "tcp", argv[0]);
- } else {
- fprintf(stdout,
- "#ttcp-r: buflen=%zd, nbuf=%d, align=%d/+%d, port=%d %s\n",
- buflen, nbuf, bufalign, bufoffset, port, udp ? "udp" : "tcp");
- }
-
- if ((fd = socket(AF_INET, udp ? SOCK_DGRAM : SOCK_STREAM, 0)) < 0)
- err("socket");
- mes("socket");
-
- if (bind(fd, (struct sockaddr *)&sinme, sizeof(sinme)) < 0)
- err("bind");
-
- if (mcast) {
- struct ip_mreq stMreq;
- stMreq.imr_multiaddr.s_addr = inet_addr(mgroup);
- stMreq.imr_interface.s_addr = INADDR_ANY;
- if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (char *)&stMreq, sizeof(stMreq)) < 0)
- err("multicast group join");
- else
- fprintf(stdout, "#Joined group %s\n", mgroup);
- }
-
- if (!udp) {
- signal(SIGPIPE, sigpipe);
- if (trans) {
- /* We are the client if transmitting */
- if (options) {
- #if defined(BSD42)
- if (setsockopt(fd, SOL_SOCKET, options, 0, 0) < 0)
- #else /* BSD43 */
- if (setsockopt(fd, SOL_SOCKET, options, &one, sizeof(one)) < 0)
- #endif
- err("setsockopt");
- }
- if (nodelay) {
- struct protoent *p;
- p = getprotobyname("tcp");
- if (p && setsockopt(fd, p->p_proto, TCP_NODELAY, &one, sizeof(one)) < 0)
- err("setsockopt: nodelay");
- mes("nodelay");
- }
- if (connect(fd, (struct sockaddr *)&sinhim, sizeof(sinhim)) < 0)
- err("connect");
- mes("connect");
- } else {
- /* otherwise, we are the server and
- * should listen for the connections
- */
- listen(fd, 0); /* allow a queue of 0 */
- if (options) {
- #if defined(BSD42)
- if (setsockopt(fd, SOL_SOCKET, options, 0, 0) < 0)
- #else /* BSD43 */
- if (setsockopt(fd, SOL_SOCKET, options, &one, sizeof(one)) < 0)
- #endif
- err("setsockopt");
- }
-
- fromlen = sizeof(frominet);
- domain = AF_INET;
- if ((fd = accept(fd, (struct sockaddr *)&frominet, &fromlen)) < 0) {
- err("accept");
- } else {
- struct sockaddr_in peer;
- socklen_t peerlen = sizeof(peer);
-
- if (getpeername(fd, (struct sockaddr *)&peer, &peerlen) < 0)
- err("getpeername");
-
- fprintf(stderr, "ttcp-r: accept from %s\n", inet_ntoa(peer.sin_addr));
- }
- }
- }
-
- prep_timer();
- errno = 0;
-
- if (sinkmode) {
- ssize_t cnt;
-
- if (udp) {
- int ret = 0;
-
- if ((ntohl(sinhim.sin_addr.s_addr)) >> 28 == 0xe) {
- ret = setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(int));
- if (ret == -1)
- fprintf(stderr, "Error while setting TTL\n");
- else
- fprintf(stdout, "#TTL set to %d\n", ttl);
- }
- }
- if (trans) {
- pattern(buf, buflen);
- if (udp)
- Nwrite(fd, buf, 4); /* rcvr start */
- while (nbuf-- && Nwrite(fd, buf, buflen) == (ssize_t)buflen)
- nbytes += buflen;
- if (udp)
- Nwrite(fd, buf, 4); /* rcvr end */
- } else {
- if (udp) {
- while ((cnt = Nread(fd, buf, buflen)) > 0) {
- /*
- //yp9x: allow for duplicate starting packet
- static int going = 2;
- if( cnt <= 4 ) {
- if( going == 0)
- break;
- going--;
- prep_timer();
- */
-
- /*
- //original version
- static int going = 0;
- if( cnt <= 4 ) {
- if( going )
- break;
- going=1;
- prep_timer();
-
- */
- static int going = 0;
- if (cnt <= 4) {
- if (going)
- break;
- going = 1;
- prep_timer();
-
- } else {
- nbytes += cnt;
- read_timer(stats, sizeof(stats));
- // fprintf(stdout, "%f\t%d\n", realt, nbytes);
- rcvIndex++;
- }
- }
- } else {
- while ((cnt = Nread(fd, buf, buflen)) > 0) {
- nbytes += cnt;
- }
- }
- }
- } else {
- ssize_t cnt;
-
- if (trans) {
- while ((cnt = read(0, buf, buflen)) > 0 && Nwrite(fd, buf, cnt) == cnt)
- nbytes += cnt;
- } else {
- while ((cnt = Nread(fd, buf, buflen)) > 0 && write(1, buf, cnt) == cnt)
- nbytes += cnt;
- }
- }
- if (errno)
- err("IO");
- read_timer(stats, sizeof(stats));
- if (udp && trans) {
- Nwrite(fd, buf, 4); /* rcvr end */
- Nwrite(fd, buf, 4); /* rcvr end */
- Nwrite(fd, buf, 4); /* rcvr end */
- Nwrite(fd, buf, 4); /* rcvr end */
- Nwrite(fd, buf, 4); /* rcvr end *//* yp9x */
- Nwrite(fd, buf, 4); /* rcvr end *//* yp9x */
- Nwrite(fd, buf, 4); /* rcvr end *//* yp9x */
- Nwrite(fd, buf, 4); /* rcvr end *//* yp9x */
- }
- if (cput <= 0.0)
- cput = 0.001;
- if (realt <= 0.0)
- realt = 0.001;
- fprintf(stdout, "#ttcp%s: %ld bytes in %.2f real seconds = %.2f KB/sec +++\n",
- trans ? "-t" : "-r", nbytes, realt, ((double)nbytes) / realt / 1024);
- if (verbose) {
- fprintf(stdout,
- "#ttcp%s: %ld bytes in %.2f CPU seconds = %.2f KB/cpu sec\n",
- trans ? "-t" : "-r", nbytes, cput, ((double)nbytes) / cput / 1024);
- }
- fprintf(stdout, "#ttcp%s: %zd I/O calls, msec/call = %.2f, calls/sec = %.2f\n",
- trans ? "-t" : "-r", numCalls, 1024.0 * realt / ((double)numCalls), ((double)numCalls) / realt);
- fprintf(stdout, "#ttcp%s: %s\n", trans ? "-t" : "-r", stats);
- if (verbose) {
- fprintf(stdout, "#ttcp%s: buffer address %p\n", trans ? "-t" : "-r", buf);
- }
- /* printStats(); */
- exit(0);
-
- usage:
- fprintf(stderr, "%s", Usage);
- exit(1);
- }
-
-
- static struct timeval time0; /* Time at which timing started */
- static struct rusage ru0; /* Resource utilization at the start */
-
- static void prusage();
- static void tvadd();
- static void tvsub();
- static void psecs();
-
- #if defined(SYSV)
- /*ARGSUSED*/ static getrusage(ignored, ru)
- int ignored;
- struct rusage *ru;
- {
- struct tms buf;
-
- times(&buf);
-
- /* Assumption: HZ <= 2147 (LONG_MAX/1000000) */
- ru->ru_stime.tv_sec = buf.tms_stime / HZ;
- ru->ru_stime.tv_usec = ((buf.tms_stime % HZ) * 1000000) / HZ;
- ru->ru_utime.tv_sec = buf.tms_utime / HZ;
- ru->ru_utime.tv_usec = ((buf.tms_utime % HZ) * 1000000) / HZ;
- }
-
- #if !defined(sgi)
- /*ARGSUSED*/ static gettimeofday(tp, zp)
- struct timeval *tp;
- struct timezone *zp;
- {
- tp->tv_sec = time(0);
- tp->tv_usec = 0;
- }
- #endif
- #endif /* SYSV */
-
- /*
- * P R E P _ T I M E R
- */
- void prep_timer(void)
- {
- gettimeofday(&time0, (struct timezone *)0);
- getrusage(RUSAGE_SELF, &ru0);
- }
-
- /*
- * R E A D _ T I M E R
- *
- */
- double read_timer(char *str, int len)
- {
- struct timeval timedol;
- struct rusage ru1;
- struct timeval td;
- struct timeval tend, tstart;
- char line[132];
-
- getrusage(RUSAGE_SELF, &ru1);
- gettimeofday(&timedol, (struct timezone *)0);
- prusage(&ru0, &ru1, &timedol, &time0, line);
- strncpy(str, line, len);
-
- /* Get real time */
- tvsub(&td, &timedol, &time0);
- realt = td.tv_sec + ((double)td.tv_usec) / 1000000;
-
- /* Get CPU time (user+sys) */
- tvadd(&tend, &ru1.ru_utime, &ru1.ru_stime);
- tvadd(&tstart, &ru0.ru_utime, &ru0.ru_stime);
- tvsub(&td, &tend, &tstart);
- cput = td.tv_sec + ((double)td.tv_usec) / 1000000;
- if (cput < 0.00001)
- cput = 0.00001;
- return (cput);
- }
-
- static void prusage(struct rusage *r0, struct rusage *r1, struct timeval *e, struct timeval *b, char *outp)
- {
- struct timeval tdiff;
- time_t t;
- char *cp;
- int i;
- int ms;
-
- t = (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
- (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
- (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 + (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
- ms = (e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000;
-
- #if defined(SYSV)
- cp = "%Uuser %Ssys %Ereal %P";
- #else
- cp = "%Uuser %Ssys %Ereal %P %Xi+%Dd %Mmaxrss %F+%Rpf %Ccsw";
- #endif
- for (; *cp; cp++) {
- if (*cp != '%')
- *outp++ = *cp;
- else if (cp[1])
- switch (*++cp) {
-
- case 'U':
- tvsub(&tdiff, &r1->ru_utime, &r0->ru_utime);
- sprintf(outp, "%d.%01d", (int)tdiff.tv_sec, (int)tdiff.tv_usec / 100000);
- END(outp);
- break;
-
- case 'S':
- tvsub(&tdiff, &r1->ru_stime, &r0->ru_stime);
- sprintf(outp, "%d.%01d", (int)tdiff.tv_sec, (int)tdiff.tv_usec / 100000);
- END(outp);
- break;
-
- case 'E':
- psecs(ms / 100, outp);
- END(outp);
- break;
-
- case 'P':
- sprintf(outp, "%d%%", (int)(t * 100 / ((ms ? ms : 1))));
- END(outp);
- break;
-
- #if !defined(SYSV)
- case 'W':
- i = r1->ru_nswap - r0->ru_nswap;
- sprintf(outp, "%d", i);
- END(outp);
- break;
-
- case 'X':
- sprintf(outp, "%d", t == 0 ? 0 : (int)((r1->ru_ixrss - r0->ru_ixrss) / t));
- END(outp);
- break;
-
- case 'D':
- sprintf(outp, "%d", t == 0 ? 0 : (int)((r1->ru_idrss + r1->ru_isrss - (r0->ru_idrss + r0->ru_isrss)) / t));
- END(outp);
- break;
-
- case 'K':
- sprintf(outp, "%d", t == 0 ? 0 : (int)(
- ((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) -
- (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t));
- END(outp);
- break;
-
- case 'M':
- sprintf(outp, "%d", (int)(r1->ru_maxrss / 2));
- END(outp);
- break;
-
- case 'F':
- sprintf(outp, "%d", (int)(r1->ru_majflt - r0->ru_majflt));
- END(outp);
- break;
-
- case 'R':
- sprintf(outp, "%d", (int)(r1->ru_minflt - r0->ru_minflt));
- END(outp);
- break;
-
- case 'I':
- sprintf(outp, "%d", (int)(r1->ru_inblock - r0->ru_inblock));
- END(outp);
- break;
-
- case 'O':
- sprintf(outp, "%d", (int)(r1->ru_oublock - r0->ru_oublock));
- END(outp);
- break;
- case 'C':
- sprintf(outp, "%d+%d", (int)(r1->ru_nvcsw - r0->ru_nvcsw),
- (int)(r1->ru_nivcsw - r0->ru_nivcsw));
- END(outp);
- break;
- #endif /* !SYSV */
- }
- }
- *outp = '\0';
- }
-
- /**
- * Local Variables:
- * version-control: t
- * indent-tabs-mode: t
- * c-file-style: "linux"
- * End:
- */
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