ocserv/src/setproctitle.c

/*
 * Copyright (C) 2013 Nikos Mavrogiannopoulos
 *
 * This file is part of ocserv.
 *
 * ocserv is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * ocserv is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <stdarg.h>
#include <stdio.h>
#if !defined(HAVE_SETPROCTITLE)

# if defined(__linux__)
#  include <sys/prctl.h>

/* This sets the proccess title as shown in top, but not in ps (*@#%@).
 * To change the ps name in Linux, one needs to do master black magic
 * trickery (see util-linux setproctitle).
 */
void setproctitle (const char *fmt, ...)
{
#  ifdef PR_SET_NAME
	char name[16];
	va_list args;

	va_start(args, fmt);
	vsnprintf(name, sizeof(name)-1, fmt, args);
	va_end(args);

	prctl (PR_SET_NAME, name);
#  endif
}
# else /* not linux */

void setproctitle (const char *fmt, ...)
{
	return;
}

# endif /* __linux__ */

#endif /* HAVE_SETPROCTITLE */