Re: RFC: implement daemon() in the kernel

Michal Schmidt wrote:

H. Peter Anvin wrote:

Simon Richter wrote:

int daemon(int nochdir, int noclose)
{
    if(!nochdir)
        chdir("/");

    if(!noclose)
    {
        int fd = open("/dev/null", O_RDWR);
        dup2(fd, 0);
        dup2(fd, 1);
        dup2(fd, 2);
        close(fd);
    }

    if(fork() > 0)

... that should be if (fork() == 0) ...

Are you sure? fork()==0 means we're the child, but it's the parent who should exit, isn't it?

Oh, right, of course. Thinko; the lack of error handling confused me. I did that right in the assembly code.

	-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • RFC: implement daemon() in the kernel
    • From: Simon Richter <[email protected]>
  • Re: RFC: implement daemon() in the kernel
    • From: "H. Peter Anvin" <[email protected]>
  • Re: RFC: implement daemon() in the kernel
    • From: Michal Schmidt <[email protected]>

• Prev by Date: Re: LTTng do_page_fault vs handle_mm_fault instrumentation
• Next by Date: Re: [take24 0/6] kevent: Generic event handling mechanism.
• Previous by thread: Re: RFC: implement daemon() in the kernel
• Next by thread: [PATCH -mm 0/4][AIO] - AIO completion signal notification v2
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]