mirror of https://github.com/BOINC/boinc.git
68 lines
1.8 KiB
C
Executable File
68 lines
1.8 KiB
C
Executable File
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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// platform-independent interface to shared memory
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#ifndef BOINC_SHMEM_H
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#define BOINC_SHMEM_H
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#if HAVE_SYS_SHM_H
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#include <sys/shm.h>
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#endif
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#ifdef _WIN32
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// create a shared-memory segment of the given size.
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//
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HANDLE create_shmem(LPCTSTR seg_name, int size, void** pp);
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// attach to a shared-memory segment
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//
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HANDLE attach_shmem(LPCTSTR seg_name, void** pp);
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// detach from a shared-mem segment. Once all processes have
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// detached, the segment is destroyed
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//
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int detach_shmem(HANDLE hSharedMem, void* p);
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#else
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// create a shared-memory segment of the given size.
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//
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extern int create_shmem(key_t, int size, void**);
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// Destroy a shared-memory segment.
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// If there are attachments to it,
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// print a message in a loop until the attachments are gone
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//
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extern int destroy_shmem(key_t);
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// attach to a shared-memory segment
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//
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extern int attach_shmem(key_t, void**);
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// detach from a shared-mem segment
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//
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extern int detach_shmem(void*);
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extern int shmem_info(key_t key);
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#endif
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#endif
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