15 #ifndef _RTEMS_POSIX_SHM_H 16 #define _RTEMS_POSIX_SHM_H 21 #include <sys/types.h> 143 #define POSIX_SHM_INFORMATION_DEFINE( max ) \ 144 OBJECTS_INFORMATION_DEFINE( \ 147 OBJECTS_POSIX_SHMS, \ void * _POSIX_Shm_Object_mmap_from_heap(POSIX_Shm_Object *shm_obj, size_t len, int prot, off_t off)
object_mmap operation for shm objects stored in C program heap.
Definition: shmheap.c:94
int _POSIX_Shm_Object_resize_from_workspace(POSIX_Shm_Object *shm_obj, size_t size)
object_resize operation for shm objects stored in RTEMS Workspace.
Definition: shmwkspace.c:43
Definition: objectdata.h:39
int(* object_resize)(POSIX_Shm_Object *shm_obj, size_t size)
Changes the shm_obj size to size.
Definition: shm.h:79
void * _POSIX_Shm_Object_mmap_from_workspace(POSIX_Shm_Object *shm_obj, size_t len, int prot, off_t off)
object_mmap operation for shm objects stored in RTEMS Workspace.
Definition: shmwkspace.c:79
Definition: threadq.h:547
int _POSIX_Shm_Object_resize_from_heap(POSIX_Shm_Object *shm_obj, size_t size)
object_resize operation for shm objects stored in C program heap.
Definition: shmheap.c:47
Constants and Structures Needed to Declare a Thread Queue.
Control for a POSIX Shared Memory Object.
Definition: shm.h:111
int(* object_delete)(POSIX_Shm_Object *shm_obj)
Deletes the shm_obj.
Definition: shm.h:88
Operations on POSIX Shared Memory Objects.
Definition: shm.h:62
Object Handler Data Structures.
int _POSIX_Shm_Object_read_from_workspace(POSIX_Shm_Object *shm_obj, void *buf, size_t count)
object_read operation for shm objects stored in RTEMS Workspace.
Definition: shmwkspace.c:61
int(* object_create)(POSIX_Shm_Object *shm_obj, size_t size)
Allocates a new shm_obj with initial size.
Definition: shm.h:70
Objects_Information _POSIX_Shm_Information
The POSIX Shared Memory objects information.
int _POSIX_Shm_Object_read_from_heap(POSIX_Shm_Object *shm_obj, void *buf, size_t count)
object_read operation for shm objects stored in C program heap.
Definition: shmheap.c:75
int _POSIX_Shm_Object_create_from_heap(POSIX_Shm_Object *shm_obj, size_t size)
object_create operation for shm objects stored in C program heap.
Definition: shmheap.c:22
void * handle
The handle is private for finding object storage.
Definition: shm.h:45
int _POSIX_Shm_Object_delete_from_workspace(POSIX_Shm_Object *shm_obj)
object_delete operation for shm objects stored in RTEMS Workspace.
Definition: shmwkspace.c:33
int _POSIX_Shm_Object_create_from_workspace(POSIX_Shm_Object *shm_obj, size_t size)
object_create operation for shm objects stored in RTEMS Workspace.
Definition: shmwkspace.c:22
int(* object_read)(POSIX_Shm_Object *shm_obj, void *buf, size_t count)
Copies up to bytes of the shm_obj data into buf.
Definition: shm.h:95
size_t size
The number of bytes allocated to the object. A size of 0 with a handle of NULL means no object is all...
Definition: shm.h:51
int _POSIX_Shm_Object_delete_from_heap(POSIX_Shm_Object *shm_obj)
object_delete operation for shm objects stored in C program heap.
Definition: shmheap.c:37
unsigned size
Definition: tte.h:74
const POSIX_Shm_Object_operations * ops
Implementation-specific operations on shm objects.
Definition: shm.h:56
Encapsulation for the storage and manipulation of shm objects.
Definition: shm.h:41