73 lines
1.4 KiB
C++
73 lines
1.4 KiB
C++
#include "daemonize.h"
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#include "../logging/logging.h"
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using namespace cpputils::logging;
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//TODO Test daemonize()
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#if !defined(_MSC_VER)
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <syslog.h>
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#include <string.h>
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#include <iostream>
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namespace cpputils {
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void daemonize() {
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const pid_t pid = fork();
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if (pid < 0) {
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exit(EXIT_FAILURE);
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}
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if (pid > 0) {
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//We're the parent process. Exit.
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exit(EXIT_SUCCESS);
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}
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// We're the child process.
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umask(0);
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// Create a new SID for the child process
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const pid_t sid = setsid();
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if (sid < 0) {
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LOG(ERR, "Failed to get SID for daemon process");
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exit(EXIT_FAILURE);
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}
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// Change the current working directory to a directory that's always existin
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if ((chdir("/")) < 0) {
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LOG(ERR, "Failed to change working directory for daemon process");
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exit(EXIT_FAILURE);
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}
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// Close out the standard file descriptors. The process can't use them anyhow.
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close(STDIN_FILENO);
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close(STDOUT_FILENO);
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close(STDERR_FILENO);
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};
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}
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#else
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#include <Windows.h>
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namespace cpputils {
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void daemonize() {
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LOG(INFO, "Process started in the background. You can close this console window now.");
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if (!FreeConsole()) {
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LOG(ERR, "Failed to call FreeConsole()");
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exit(EXIT_FAILURE);
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}
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}
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}
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#endif
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