Reformat code

This commit is contained in:
Fabio Scotto di Santolo
2025-07-04 10:39:07 +02:00
parent 2bea38d7fc
commit dd53e83af6
28 changed files with 632 additions and 524 deletions

View File

@@ -1,43 +1,46 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#define NR_OPEN 1048576
int main(void) {
// create new process
pid_t pid = fork();
if (pid == -1) {
return -1;
} else if (pid != 0) {
printf("Running daemon with pid %d\n", pid);
exit(EXIT_SUCCESS);
}
int main(void)
{
// create new process
pid_t pid = fork();
if (pid == -1) {
return -1;
} else if (pid != 0) {
printf("Running daemon with pid %d\n", pid);
exit(EXIT_SUCCESS);
}
// create a new session and process group
if (setsid() == -1) return -1;
// create a new session and process group
if (setsid() == -1)
return -1;
// set the working directory to the root directory
if (chdir("/") == -1) return -1;
// set the working directory to the root directory
if (chdir("/") == -1)
return -1;
// close all open files--NR_OPEN is overkill, but works
for (int i = 0; i < NR_OPEN; i++) {
close(i);
}
// close all open files--NR_OPEN is overkill, but works
for (int i = 0; i < NR_OPEN; i++) {
close(i);
}
// redirect fd's 0,1,2 to /dev/null
open("/dev/null", O_RDWR); // stdin
dup(0); // stdout
dup(0); // stderr
// redirect fd's 0,1,2 to /dev/null
open("/dev/null", O_RDWR); // stdin
dup(0); // stdout
dup(0); // stderr
// do its daemon thing
for (int i = 0; i < 10; i++) {
printf("Hello from daemon %d\n", getpid());
sleep(1000);
}
// do its daemon thing
for (int i = 0; i < 10; i++) {
printf("Hello from daemon %d\n", getpid());
sleep(1000);
}
return 0;
return 0;
}