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/*
* Copyright (c) 2015-2016 Cyril Hrubis <chrubis@suse.cz>
*
* This program 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.
*
* This program 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/>.
*/
#ifndef TST_PID_H__
#define TST_PID_H__
#include <sys/types.h>
/*
* Get a pid value not used by the OS
*/
pid_t tst_get_unused_pid_(void (*cleanup_fn)(void));
/*
* Returns number of free pids by substarction of the number of pids
* currently used ('ps -eT') from max_pids
*/
int tst_get_free_pids_(void (*cleanup_fn)(void));
#ifdef TST_TEST_H__
static inline pid_t tst_get_unused_pid(void)
{
return tst_get_unused_pid_(NULL);
}
static inline int tst_get_free_pids(void)
{
return tst_get_free_pids_(NULL);
}
#else
static inline pid_t tst_get_unused_pid(void (*cleanup_fn)(void))
{
return tst_get_unused_pid_(cleanup_fn);
}
static inline int tst_get_free_pids(void (*cleanup_fn)(void))
{
return tst_get_free_pids_(cleanup_fn);
}
#endif
#endif /* TST_PID_H__ */
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