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28
29/// \file utils/process/status.hpp
30/// Provides the utils::process::status class.
31
32#if !defined(UTILS_PROCESS_STATUS_HPP)
33#define UTILS_PROCESS_STATUS_HPP
34
35#include <utility>
36
37#include "utils/optional.ipp"
38
39namespace utils {
40namespace process {
41
42
43/// Representation of the termination status of a process.
44class status {
45    /// The PID of the process that generated this status.
46    ///
47    /// Note that the process has exited already and been awaited for, so the
48    /// PID cannot be used to address the process.
49    int _dead_pid;
50
51    /// The exit status of the process, if it exited cleanly.
52    optional< int > _exited;
53
54    /// The signal that terminated the program, if any, and if it dumped core.
55    optional< std::pair< int, bool > > _signaled;
56
57    status(const optional< int >&, const optional< std::pair< int, bool > >&);
58
59public:
60    status(const int, int);
61    static status fake_exited(const int);
62    static status fake_signaled(const int, const bool);
63
64    int dead_pid(void) const;
65
66    bool exited(void) const;
67    int exitstatus(void) const;
68
69    bool signaled(void) const;
70    int termsig(void) const;
71    bool coredump(void) const;
72};
73
74
75}  // namespace process
76}  // namespace utils
77
78#endif  // !defined(UTILS_PROCESS_STATUS_HPP)
79