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cpl_spawn.h
1 /**********************************************************************
2 * $Id$
3 *
4 * Project: CPL - Common Portability Library
5 * Purpose: Implement CPLSystem().
6 * Author: Even Rouault, <even dot rouault at mines dash paris dot org>
7 *
8 **********************************************************************
9 * Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 * DEALINGS IN THE SOFTWARE.
28 ****************************************************************************/
29
30 #ifndef CPL_SPAWN_H_INCLUDED
31 #define CPL_SPAWN_H_INCLUDED
32
33 #include "cpl_vsi.h"
34
35 CPL_C_START
36
37 /* -------------------------------------------------------------------- */
38 /* Spawn a process. */
39 /* -------------------------------------------------------------------- */
40
41 int CPL_DLL CPLSpawn( const char * const papszArgv[], VSILFILE* fin, VSILFILE* fout,
42 int bDisplayErr );
43
44 #ifdef WIN32
45 #include <windows.h>
46 typedef HANDLE CPL_FILE_HANDLE;
47 #define CPL_FILE_INVALID_HANDLE CPL_NULLPTR
48 typedef DWORD CPL_PID;
49 #else
50 #include <sys/types.h>
51 typedef int CPL_FILE_HANDLE;
52 #define CPL_FILE_INVALID_HANDLE -1
53 typedef pid_t CPL_PID;
54 #endif
55
56 typedef struct _CPLSpawnedProcess CPLSpawnedProcess;
57
58 CPLSpawnedProcess CPL_DLL* CPLSpawnAsync( int (*pfnMain)(CPL_FILE_HANDLE, CPL_FILE_HANDLE),
59 const char * const papszArgv[],
60 int bCreateInputPipe,
61 int bCreateOutputPipe,
62 int bCreateErrorPipe,
63 char** papszOptions );
64 CPL_PID CPL_DLL CPLSpawnAsyncGetChildProcessId(CPLSpawnedProcess* p);
65 int CPL_DLL CPLSpawnAsyncFinish(CPLSpawnedProcess* p, int bWait, int bKill);
66 CPL_FILE_HANDLE CPL_DLL CPLSpawnAsyncGetInputFileHandle(CPLSpawnedProcess* p);
67 CPL_FILE_HANDLE CPL_DLL CPLSpawnAsyncGetOutputFileHandle(CPLSpawnedProcess* p);
68 CPL_FILE_HANDLE CPL_DLL CPLSpawnAsyncGetErrorFileHandle(CPLSpawnedProcess* p);
69 void CPL_DLL CPLSpawnAsyncCloseInputFileHandle(CPLSpawnedProcess* p);
70 void CPL_DLL CPLSpawnAsyncCloseOutputFileHandle(CPLSpawnedProcess* p);
71 void CPL_DLL CPLSpawnAsyncCloseErrorFileHandle(CPLSpawnedProcess* p);
72
73 int CPL_DLL CPLPipeRead(CPL_FILE_HANDLE fin, void* data, int length);
74 int CPL_DLL CPLPipeWrite(CPL_FILE_HANDLE fout, const void* data, int length);
75
76 CPL_C_END
77
78 #endif // CPL_SPAWN_H_INCLUDED
cpl_vsi.h
Standard C Covers.
CPL_C_START
#define CPL_C_START
Macro to start a block of C symbols.
Definition: cpl_port.h:335
VSILFILE
FILE VSILFILE
Opaque type for a FILE that implements the VSIVirtualHandle API.
Definition: cpl_vsi.h:155
CPL_C_END
#define CPL_C_END
Macro to end a block of C symbols.
Definition: cpl_port.h:337

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