This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Definition in file shm.c.
Include dependency graph for shm.c:
Go to the source code of this file.
Defines | |
| #define | RTAI_SHM_MISC_MINOR 254 |
| #define | ALIGN2PAGE(adr) ((void *)PAGE_ALIGN((unsigned long)adr)) |
| #define | RT_SHM_OP_PERM() (!(_rt_whoami()->is_hard)) |
| #define | GLOBAL 0 |
| #define | SPECIFIC 1 |
| #define | RTAI_TASK(return_instr) |
| #define | USE_UDEV_CLASS 0 |
Functions | |
| MODULE_LICENSE ("GPL") | |
| static void * | _rt_shm_alloc (unsigned long name, int size, int suprt) |
| static int | _rt_shm_free (unsigned long name, int size) |
| void * | rt_shm_alloc (unsigned long name, int size, int suprt) |
| Allocate a chunk of memory to be shared inter-intra kernel modules and Linux processes. | |
| static RTAI_SYSCALL_MODE int | rt_shm_alloc_usp (unsigned long name, int size, int suprt) |
| static int | rt_shm_free (unsigned long name) |
| Free a chunk of shared memory being shared inter-intra kernel modules and Linux processes. | |
| static RTAI_SYSCALL_MODE int | rt_shm_size (unsigned long *arg) |
| static void | rtai_shm_vm_open (struct vm_area_struct *vma) |
| static void | rtai_shm_vm_close (struct vm_area_struct *vma) |
| static RTAI_SYSCALL_MODE void | rt_set_heap (unsigned long, void *) |
| static int | rtai_shm_f_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) |
| static int | rtai_shm_f_mmap (struct file *file, struct vm_area_struct *vma) |
| static void * | _rt_halloc (int size, struct rt_heap_t *heap) |
| static void | _rt_hfree (void *addr, struct rt_heap_t *heap) |
| static void * | rt_named_malloc (unsigned long name, int size) |
| Allocate a chunk of the global real time heap in kernel/user space. | |
| static void | rt_named_free (void *adr) |
| Free a named chunk of the global real time heap. | |
| static void * | rt_halloc_typed (int size, int htype) |
| static void | rt_hfree_typed (void *addr, int htype) |
| static void * | rt_named_halloc_typed (unsigned long name, int size, int htype) |
| static void | rt_named_hfree_typed (void *adr, int htype) |
| static void * | rt_halloc (int size) |
| Allocate a chunk of a group real time heap in kernel/user space. | |
| static void | rt_hfree (void *adr) |
| Free a chunk of a group real time heap. | |
| static void * | rt_named_halloc (unsigned long name, int size) |
| Allocate a chunk of a group real time heap in kernel/user space. | |
| static void | rt_named_hfree (void *adr) |
| Free a chunk of a group real time heap. | |
| static RTAI_SYSCALL_MODE void * | rt_malloc_usp (int size) |
| static RTAI_SYSCALL_MODE void | rt_free_usp (void *adr) |
| static RTAI_SYSCALL_MODE void * | rt_named_malloc_usp (unsigned long name, int size) |
| static RTAI_SYSCALL_MODE void | rt_named_free_usp (void *adr) |
| void * | rt_heap_open (unsigned long name, int size, int suprt) |
| Open/create a named group real time heap to be shared inter-intra kernel modules and Linux processes. | |
| int | set_rt_fun_entries (struct rt_native_fun_entry *entry) |
| void | reset_rt_fun_entries (struct rt_native_fun_entry *entry) |
| int | __rtai_shm_init (void) |
| void | __rtai_shm_exit (void) |
| module_init (__rtai_shm_init) | |
| module_exit (__rtai_shm_exit) | |
| EXPORT_SYMBOL (rt_shm_alloc) | |
| EXPORT_SYMBOL (rt_shm_free) | |
| EXPORT_SYMBOL (rt_named_malloc) | |
| EXPORT_SYMBOL (rt_named_free) | |
| EXPORT_SYMBOL (rt_halloc) | |
| EXPORT_SYMBOL (rt_hfree) | |
| EXPORT_SYMBOL (rt_named_halloc) | |
| EXPORT_SYMBOL (rt_named_hfree) | |
| EXPORT_SYMBOL (rt_heap_open) | |
Variables | |
| static int | SUPRT [] = { 0, GFP_KERNEL, GFP_ATOMIC, GFP_DMA } |
| static struct vm_operations_struct | rtai_shm_vm_ops |
| static struct file_operations | rtai_shm_fops |
| static struct miscdevice | rtai_shm_dev |
| rtheap_t | rtai_global_heap |
| void * | rtai_global_heap_adr |
| int | rtai_global_heap_size |
| rt_native_fun_entry | rt_shm_entries [] |
| EXPORT_SYMBOL | ( | rt_heap_open | ) |
| EXPORT_SYMBOL | ( | rt_named_hfree | ) |
| EXPORT_SYMBOL | ( | rt_named_halloc | ) |
| EXPORT_SYMBOL | ( | rt_hfree | ) |
| EXPORT_SYMBOL | ( | rt_halloc | ) |
| EXPORT_SYMBOL | ( | rt_named_free | ) |
| EXPORT_SYMBOL | ( | rt_named_malloc | ) |
| EXPORT_SYMBOL | ( | rt_shm_free | ) |
| EXPORT_SYMBOL | ( | rt_shm_alloc | ) |
| module_exit | ( | __rtai_shm_exit | ) |
| module_init | ( | __rtai_shm_init | ) |
1.4.7