wmem: allow wmem_destroy_list to ignore a NULL list.
[metze/wireshark/wip.git] / wsutil / processes.h
1 /* processes.h
2  * Process utility definitions
3  *
4  * Wireshark - Network traffic analyzer
5  * By Gerald Combs <gerald@wireshark.org>
6  * Copyright 1998 Gerald Combs
7  *
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  */
10
11 #ifndef _WSUTIL_PROCESSES_H_
12 #define _WSUTIL_PROCESSES_H_
13
14 #include "ws_symbol_export.h"
15
16 #ifdef __cplusplus
17 extern "C" {
18 #endif /* __cplusplus */
19
20 #ifdef _WIN32
21 /*
22  * On Windows, a process ID is a HANDLE.
23  * Include <windows.h> to make sure HANDLE is defined.
24  */
25 #include <windows.h>
26
27 typedef HANDLE ws_process_id;
28
29 #define WS_INVALID_PID    INVALID_HANDLE_VALUE
30 #else
31 /*
32  * On UN*X, a process ID is a pid_t.
33  * Include <sys/types.h> to make sure pid_t is defined.
34  */
35 #include <sys/types.h>
36
37 typedef pid_t ws_process_id;
38
39 #define WS_INVALID_PID    -1
40 #endif
41
42 #ifdef __cplusplus
43 }
44 #endif /* __cplusplus */
45
46 #endif /* _WSUTIL_PROCESSES_H_ */