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/*
* Copyright (c) 2008, 2009, 2011, 2013 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PROCESS_H
#define PROCESS_H 1
#include <stdbool.h>
#include <sys/types.h>
struct process;
struct process_info {
unsigned long int vsz; /* Virtual size, in kB. */
unsigned long int rss; /* Resident set size, in kB. */
long long int booted; /* ms since monitor started. */
int crashes; /* # of crashes (usually 0). */
long long int uptime; /* ms since last (re)started by monitor. */
long long int cputime; /* ms of CPU used during 'uptime'. */
int core_id;
char name[18];
};
/* Starting and monitoring subprocesses.
*
* process_init() and process_start() may safely be called only from a
* single-threaded parent process. The parent process may safely create
* additional threads afterward, as long as the remaining functions in this
* group are called only from a single thread at any given time. */
void process_init(void);
int process_start(char **argv, struct process **);
void process_destroy(struct process *);
int process_kill(const struct process *, int signr);
pid_t process_pid(const struct process *);
const char *process_name(const struct process *);
bool process_exited(struct process *);
int process_status(const struct process *);
void process_run(void);
void process_wait(struct process *);
int count_crashes(pid_t);
bool get_process_info(pid_t, struct process_info *);
/* These functions are thread-safe. */
char *process_status_msg(int);
char *process_escape_args(char **argv);
char *process_search_path(const char *);
#endif /* process.h */
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