[BACK]Return to daemon.c CVS log [TXT] [DIR] Up to [DVB] / dietlibc / libcompat
File:  [DVB] / dietlibc / libcompat / daemon.c
Revision 1.1: download - view: text, annotated - select for diffs
Thu Feb 28 16:13:20 2002 UTC (22 years, 3 months ago) by fefe
Branches: MAIN
CVS tags: finnland_test_200301, branch_rc14_fieldtest_finnland, branch_rc13_fieldtest_finnland, branch_rc12_fieldtest_finnland, branch_rc10_fieldtest_finnland, RELEASE_finnland_200301_1, RC12_FIELDTEST_FINNLAND, RC10_FIELDTEST_FINNLAND, HEAD
create libcompat (for future BSD and GNU extension crap we choose to
implement but don't want to blow up our stock libc)
Andre squeezed a few more bytes from the ARM assembly files

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <paths.h>

#include "daemon.h"

int daemon (int nochdir,int noclose)
{
  int fd;
  switch (fork()) {
  case -1: return (-1);
  case  0: break;
  default: _exit (0);
  }
  if (setsid () == -1) return (-1);
  if (!nochdir) chdir ("/");
  if (!noclose) {
    fd = open(_PATH_DEVNULL,O_RDWR,0);
    if (fd == -1) return (-1);
    dup2 (fd,STDIN_FILENO);
    dup2 (fd,STDOUT_FILENO);
    dup2 (fd,STDERR_FILENO);
    if (fd>2) close (fd);
  }
  return (0);
}
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