k-observer/common/linux_stuff.cpp
2013-01-19 21:55:39 +00:00

58 lines
1.3 KiB
C++

#ifndef _WIN32
#include "linux_stuff.h"
#include <iostream>
void daemonize()
{
/* Our process ID and Session ID */
pid_t pid, sid;
/* Fork off the parent process */
pid = fork();
if (pid < 0)
{
std::cout<<"error, pid < 0"<<std::endl;
exit(EXIT_FAILURE);
}
/* If we got a good PID, then
we can exit the parent process. */
if (pid > 0) {
std::cout<<"pid > 0 exit process"<<std::endl;
exit(EXIT_SUCCESS);
}
/* Change the file mode mask */
umask(0);
/* Open any logs here */
/* Create a new SID for the child process */
sid = setsid();
if (sid < 0) {
/* Log the failure */
std::cout<<"sid < 0 exit process"<<std::endl;
exit(EXIT_FAILURE);
}
/* Change the current working directory */
if ((chdir("/")) < 0) {
/* Log the failure */
std::cout<<"(chdir(\"/\")) < 0 exit process"<<std::endl;
exit(EXIT_FAILURE);
}
/* Close out the standard file descriptors */
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
#endif