You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.0 KiB
63 lines
1.0 KiB
#include <common.h>
|
|
|
|
void generate(void)
|
|
{
|
|
int up = 1;
|
|
for (;;) {
|
|
for (; up != 0; up--) {
|
|
switch (fork()) {
|
|
case -1:
|
|
err(-1, "fork");
|
|
break;
|
|
case 0:
|
|
return;
|
|
}
|
|
}
|
|
while (waitpid(WAIT_ANY, NULL, WNOHANG) > 0)
|
|
up++;
|
|
sleep(1);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
srand(time(NULL));
|
|
//pid_t master = getpid();
|
|
//switch (fork()) {
|
|
//case 0:
|
|
// dirents();
|
|
//case -1:
|
|
// err(-1, "fork");
|
|
//}
|
|
|
|
generate();
|
|
|
|
int afd, bfd;
|
|
if ((afd = open("/", O_RDONLY | O_DIRECTORY)) == -1)
|
|
err(-1, "open");
|
|
if ((bfd = open("/", O_RDONLY | O_DIRECTORY)) == -1)
|
|
err(-1, "open");
|
|
|
|
//char buf[512];
|
|
//sprintf(buf, "%ld", getpid());
|
|
//for (;;) {
|
|
// if (open(buf, O_CREAT | O_RDWR, 0600) == -1)
|
|
// break;
|
|
// if (unlink(buf) == -1)
|
|
// err(-1, "unlink");
|
|
//}
|
|
|
|
for (;;) {
|
|
void *p = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
|
|
MAP_PRIVATE, afd, 0);
|
|
if (p == MAP_FAILED)
|
|
err(-1, "mmap");
|
|
p = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
|
|
MAP_PRIVATE, bfd, 0);
|
|
if (p == MAP_FAILED)
|
|
err(-1, "mmap");
|
|
}
|
|
|
|
return 0;
|
|
}
|