mirror of https://github.com/BOINC/boinc.git
49 lines
1002 B
C
Executable File
49 lines
1002 B
C
Executable File
// 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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