Function UTIL_start_process

src/utilities/guard/util.cpp:66–119

pid_t UTIL_start_process(const char* process, char** argv, const char* prog_name)
{
/**************************************
 *
 *      U T I L _ s t a r t _ p r o c e s s
 *
 **************************************
 *
 * Functional description
 *
 *     This function is used to create the specified process,
 *
 * Returns Codes:
 *	-1		Process spawn failed.
 *	pid		Successful creation. PID is returned.
 *
 *     Note: Make sure that the argument list ends with a null
 *     and the first argument is large enough to hold the complete
 *     expanded process name. (MAXPATHLEN recommended)
 *
 **************************************/
	fb_assert(process != NULL);
	fb_assert(argv != NULL);

	// prepend Firebird home directory to the program name
	Firebird::PathName string = fb_utils::getPrefix(Firebird::IConfigManager::DIR_SBIN, process);

	if (prog_name) {
		gds__log("%s: guardian starting %s\n", prog_name, string.c_str());
	}

	// add place in argv for visibility to "ps"
	strcpy(argv[0], string.c_str());
#if (defined SOLARIS)
	pid_t pid = fork1();
	if (!pid)
	{
		if (execv(string.c_str(), argv) == -1) {
			//ib_fprintf(ib_stderr, "Could not create child process %s with args %s\n", string, argv);
		}
		exit(FINI_ERROR);
	}

#else

	pid_t pid = vfork();
	if (!pid)
	{
		execv(string.c_str(), argv);
		_exit(FINI_ERROR);
	}
#endif
	return (pid);
}


int UTIL_wait_for_child(pid_t child_pid, const volatile sig_atomic_t& shutting_down)