[lttng-tools.git] / tests / tools / health / health_stall.c

/*
 * Copyright (C) 2012 - Christian Babeux <christian.babeux@efficios.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License, version 2 only, as
 * published by the Free Software Foundation.
 *
 * 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, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>

#define STALL_TIME 60

/*
 * Check if the specified environment variable is set.
 * Return 1 if set, otherwise 0.
 */
int check_env_var(const char *env)
{
	if (env) {
		char *env_val = getenv(env);
		if (env_val && (strncmp(env_val, "1", 1) == 0)) {
			return 1;
		}
	}

	return 0;
}

void __testpoint_thread_manage_clients_before_loop(void)
{
	const char *var = "LTTNG_THREAD_MANAGE_CLIENTS_STALL";

	if (check_env_var(var)) {
		unsigned int sleep_time = STALL_TIME;
		while (sleep_time > 0) {
			sleep_time = sleep(sleep_time);
		}
	}
}

void __testpoint_thread_manage_kernel_before_loop(void)
{
	const char *var = "LTTNG_THREAD_MANAGE_KERNEL_STALL";

	if (check_env_var(var)) {
		unsigned int sleep_time = STALL_TIME;
		while (sleep_time > 0) {
			sleep_time = sleep(sleep_time);
		}
	}
}

void __testpoint_thread_manage_apps_before_loop(void)
{
	const char *var = "LTTNG_THREAD_MANAGE_APPS_STALL";

	if (check_env_var(var)) {
		unsigned int sleep_time = STALL_TIME;
		while (sleep_time > 0) {
			sleep_time = sleep(sleep_time);
		}
	}
}
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2012 - Christian Babeux <christian.babeux@efficios.com>
	3	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU General Public License, version 2 only, as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	11	* more details.
	12	*
	13	* You should have received a copy of the GNU General Public License along with
	14	* this program; if not, write to the Free Software Foundation, Inc., 51
	15	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	16	*/
	17
	18	#include <stdlib.h>
	19	#include <string.h>
	20	#include <stdio.h>
	21	#include <unistd.h>
	22
	23	#define STALL_TIME 60
	24
	25	/*
	26	* Check if the specified environment variable is set.
	27	* Return 1 if set, otherwise 0.
	28	*/
	29	int check_env_var(const char *env)
	30	{
	31	if (env) {
	32	char *env_val = getenv(env);
	33	if (env_val && (strncmp(env_val, "1", 1) == 0)) {
	34	return 1;
	35	}
	36	}
	37
	38	return 0;
	39	}
	40
	41	void __testpoint_thread_manage_clients_before_loop(void)
	42	{
	43	const char *var = "LTTNG_THREAD_MANAGE_CLIENTS_STALL";
	44
	45	if (check_env_var(var)) {
	46	unsigned int sleep_time = STALL_TIME;
	47	while (sleep_time > 0) {
	48	sleep_time = sleep(sleep_time);
	49	}
	50	}
	51	}
	52
	53	void __testpoint_thread_manage_kernel_before_loop(void)
	54	{
	55	const char *var = "LTTNG_THREAD_MANAGE_KERNEL_STALL";
	56
	57	if (check_env_var(var)) {
	58	unsigned int sleep_time = STALL_TIME;
	59	while (sleep_time > 0) {
	60	sleep_time = sleep(sleep_time);
	61	}
	62	}
	63	}
	64
	65	void __testpoint_thread_manage_apps_before_loop(void)
	66	{
	67	const char *var = "LTTNG_THREAD_MANAGE_APPS_STALL";
	68
	69	if (check_env_var(var)) {
	70	unsigned int sleep_time = STALL_TIME;
	71	while (sleep_time > 0) {
	72	sleep_time = sleep(sleep_time);
	73	}
	74	}
	75	}