diff options
Diffstat (limited to 'butl/process')
| -rw-r--r-- | butl/process | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/butl/process b/butl/process index ef8c057..c485835 100644 --- a/butl/process +++ b/butl/process @@ -10,6 +10,7 @@ #endif #include <cassert> +#include <cstdint> // uint32_t #include <system_error> namespace butl @@ -26,8 +27,9 @@ namespace butl bool child_; }; - struct process + class process { + public: // Start another process using the specified command line. The default // values to the in, out and err arguments indicate that the child // process should inherit the parent process stdin, stdout, and stderr, @@ -81,7 +83,7 @@ namespace butl bool try_wait (bool&); - ~process () {if (id != 0) wait ();} + ~process () {if (handle != 0) wait ();} // Moveable-only type. // @@ -91,20 +93,26 @@ namespace butl process (const process&) = delete; process& operator= (const process&) = delete; - // Create an empty or "already terminated" process. That is, id is 0 + // Create an empty or "already terminated" process. That is, handle is 0 // and exit status is 0. // process (); public: #ifndef _WIN32 - typedef pid_t id_type; - typedef int status_type; + using handle_type = pid_t; + using id_type = pid_t; + using status_type = int; #else - typedef void* id_type; // Win32 HANDLE. + using handle_type = void*; // Win32 HANDLE + using id_type = std::uint32_t; // Win32 DWORD #endif - id_type id; + static id_type + current_id (); + + public: + handle_type handle; status_type status; int out_fd; // Write to this fd to send to the new process' stdin. |