int main()
{
boost::signal2<void, int, int> sig;
sig.connect(print_sum());
sig.connect(print_product());
sig(3, 5);
boost::signals::connection print_diff_con = sig.connect(print_difference());
// sig is still connected to print_diff_con
assert(print_diff_con.connected());
sig(5, 3); // prints 8, 15, and 2
print_diff_con.disconnect(); // disconnect the print_difference slot
sig(5, 3); // now prints 8 and 15, but not the difference
assert(!print_diff_con.connected()); // not connected any more
{
boost::signals::scoped_connection c = sig.connect(print_quotient());
sig(5, 3); // prints 8, 15, and 1
} // c falls out of scope, so sig and print_quotient are disconnected
sig(5, 3); // prints 8 and 15
return 0;
}
int main(void){
unsigned int digit = 10, limit = fact(10);
unsigned int j,sum=0,hits=0;
while(next_perm()){
if(unusual()){
results = realloc(results,(hits+1)*sizeof *results);
results[hits] = malloc(len*sizeof *results[0]);
memcpy(results[hits],perm,len*sizeof perm[0]);
//printf("%d : ",j);
printResult(results[hits]);
hits++;
}
//next_perm();
}
calc_sum(results,hits);
print_sum();
//printf("sum is %d\n",sum);
return 0;
}
int main()
{
boost::signal2<void, int, int> sig;
sig.connect(print_sum());
sig.connect(print_product());
sig(3, 5);
boost::signals::connection print_diff_con = sig.connect(print_difference());
// sig is still connected to print_diff_con
assert(print_diff_con.connected());
sig(5, 3); // prints 8, 15, and 2
print_diff_con.disconnect(); // disconnect the print_difference slot
sig(5, 3); // now prints 8 and 15, but not the difference
assert(!print_diff_con.connected()); // not connected any more
return 0;
}
int
main(int argc, char *argv[])
{
const char *errstr;
char errbuf[_POSIX2_LINE_MAX], *kmem = NULL, *kernel = NULL;
struct kinfo_proc *kproc;
struct sum total_sum;
int many, ch, rc;
kvm_t *kd;
pid_t pid = -1;
gid_t gid;
while ((ch = getopt(argc, argv, "AaD:dlmM:N:p:Prsvx")) != -1) {
switch (ch) {
case 'A':
print_amap = 1;
break;
case 'a':
print_all = 1;
break;
case 'd':
print_ddb = 1;
break;
case 'D':
debug = strtonum(optarg, 0, 0xf, &errstr);
if (errstr)
errx(1, "invalid debug mask");
break;
case 'l':
print_maps = 1;
break;
case 'm':
print_map = 1;
break;
case 'M':
kmem = optarg;
break;
case 'N':
kernel = optarg;
break;
case 'p':
pid = strtopid(optarg);
break;
case 'P':
pid = getpid();
break;
case 's':
print_solaris = 1;
break;
case 'v':
verbose = 1;
break;
case 'r':
case 'x':
errx(1, "-%c option not implemented, sorry", ch);
/*NOTREACHED*/
default:
usage();
}
}
/*
* Discard setgid privileges if not the running kernel so that bad
* guys can't print interesting stuff from kernel memory.
*/
gid = getgid();
if (kernel != NULL || kmem != NULL)
if (setresgid(gid, gid, gid) == -1)
err(1, "setresgid");
argc -= optind;
argv += optind;
/* more than one "process" to dump? */
many = (argc > 1 - (pid == -1 ? 0 : 1)) ? 1 : 0;
/* apply default */
if (print_all + print_map + print_maps + print_solaris +
print_ddb == 0)
print_solaris = 1;
/* start by opening libkvm */
kd = kvm_openfiles(kernel, kmem, NULL, O_RDONLY, errbuf);
if (kernel == NULL && kmem == NULL)
if (setresgid(gid, gid, gid) == -1)
err(1, "setresgid");
if (kd == NULL)
errx(1, "%s", errbuf);
/* get "bootstrap" addresses from kernel */
load_symbols(kd);
memset(&total_sum, 0, sizeof(total_sum));
do {
struct sum sum;
memset(&sum, 0, sizeof(sum));
if (pid == -1) {
if (argc == 0)
pid = getppid();
else {
pid = strtopid(argv[0]);
argv++;
argc--;
}
}
/* find the process id */
if (pid == 0)
kproc = NULL;
else {
kproc = kvm_getprocs(kd, KERN_PROC_PID, pid,
sizeof(struct kinfo_proc), &rc);
if (kproc == NULL || rc == 0) {
warnc(ESRCH, "%d", pid);
pid = -1;
continue;
}
}
/* dump it */
if (many) {
if (kproc)
printf("process %d:\n", pid);
else
printf("kernel:\n");
}
process_map(kd, pid, kproc, &sum);
if (print_amap)
print_sum(&sum, &total_sum);
pid = -1;
} while (argc > 0);
if (print_amap)
print_sum(&total_sum, NULL);
/* done. go away. */
rc = kvm_close(kd);
if (rc == -1)
err(1, "kvm_close");
return (0);
}
