diff options
Diffstat (limited to 'innobase/include/os0shm.h')
-rw-r--r-- | innobase/include/os0shm.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/innobase/include/os0shm.h b/innobase/include/os0shm.h deleted file mode 100644 index 250794a976f..00000000000 --- a/innobase/include/os0shm.h +++ /dev/null @@ -1,66 +0,0 @@ -/****************************************************** -The interface to the operating system -shared memory primitives - -(c) 1995 Innobase Oy - -Created 9/23/1995 Heikki Tuuri -*******************************************************/ - -#ifndef os0shm_h -#define os0shm_h - -#include "univ.i" - -typedef void* os_shm_t; - - -/******************************************************************** -Creates an area of shared memory. It can be named so that -different processes may access it in the same computer. -If an area with the same name already exists, returns -a handle to that area (where the size of the area is -not changed even if this call requests a different size). -To use the area, it first has to be mapped to the process -address space by os_shm_map. */ - -os_shm_t -os_shm_create( -/*==========*/ - /* out, own: handle to the shared - memory area, NULL if error */ - ulint size, /* in: area size < 4 GB */ - char* name); /* in: name of the area as a null-terminated - string */ -/*************************************************************************** -Frees a shared memory area. The area can be freed only after it -has been unmapped in all the processes where it was mapped. */ - -ibool -os_shm_free( -/*========*/ - /* out: TRUE if success */ - os_shm_t shm); /* in, own: handle to a shared memory area */ -/*************************************************************************** -Maps a shared memory area in the address space of a process. */ - -void* -os_shm_map( -/*=======*/ - /* out: address of the area, NULL if error */ - os_shm_t shm); /* in: handle to a shared memory area */ -/*************************************************************************** -Unmaps a shared memory area from the address space of a process. */ - -ibool -os_shm_unmap( -/*=========*/ - /* out: TRUE if succeed */ - void* addr); /* in: address of the area */ - - -#ifndef UNIV_NONINL -#include "os0shm.ic" -#endif - -#endif |