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064af421 | 1 | /* |
2db15dc5 | 2 | * Copyright (c) 2008, 2009, 2011, 2013 Nicira, Inc. |
064af421 | 3 | * |
a14bc59f BP |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
064af421 | 7 | * |
a14bc59f BP |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
064af421 BP |
15 | */ |
16 | ||
17 | #ifndef PROCESS_H | |
18 | #define PROCESS_H 1 | |
19 | ||
20 | #include <stdbool.h> | |
21 | #include <sys/types.h> | |
22 | ||
23 | struct process; | |
ff412c8c | 24 | |
ff1d2c16 BB |
25 | struct process_info { |
26 | unsigned long int vsz; /* Virtual size, in kB. */ | |
27 | unsigned long int rss; /* Resident set size, in kB. */ | |
28 | long long int booted; /* ms since monitor started. */ | |
29 | int crashes; /* # of crashes (usually 0). */ | |
30 | long long int uptime; /* ms since last (re)started by monitor. */ | |
31 | long long int cputime; /* ms of CPU used during 'uptime'. */ | |
0fee5185 BB |
32 | int core_id; |
33 | char name[18]; | |
ff1d2c16 BB |
34 | }; |
35 | ||
ff412c8c BP |
36 | /* Starting and monitoring subprocesses. |
37 | * | |
38 | * process_init() and process_start() may safely be called only from a | |
39 | * single-threaded parent process. The parent process may safely create | |
40 | * additional threads afterward, as long as the remaining functions in this | |
41 | * group are called only from a single thread at any given time. */ | |
064af421 | 42 | void process_init(void); |
e1208bc4 | 43 | int process_start(char **argv, struct process **); |
064af421 BP |
44 | void process_destroy(struct process *); |
45 | int process_kill(const struct process *, int signr); | |
064af421 BP |
46 | pid_t process_pid(const struct process *); |
47 | const char *process_name(const struct process *); | |
48 | bool process_exited(struct process *); | |
49 | int process_status(const struct process *); | |
57d90319 | 50 | void process_run(void); |
064af421 BP |
51 | void process_wait(struct process *); |
52 | ||
ff1d2c16 BB |
53 | int count_crashes(pid_t); |
54 | bool get_process_info(pid_t, struct process_info *); | |
55 | ||
ff412c8c BP |
56 | /* These functions are thread-safe. */ |
57 | char *process_status_msg(int); | |
58 | char *process_escape_args(char **argv); | |
064af421 BP |
59 | char *process_search_path(const char *); |
60 | ||
61 | #endif /* process.h */ |