Sha256: d9b98d08f219323cd93088162cece526ebe982300ef58656daa9fae593f67b2b
Contents?: true
Size: 1.84 KB
Versions: 80
Compression:
Stored size: 1.84 KB
Contents
#ifndef MMAP_H
#define MMAP_H
#include <ruby.h>
#include <unistd.h>
#define MM_MODIFY 1
#define MM_ORIGIN 2
#define MM_CHANGE (MM_MODIFY | 4)
#define MM_PROTECT 8
#define MM_FROZEN (1 << 0)
#define MM_FIXED (1 << 1)
#define MM_ANON (1 << 2)
#define MM_LOCK (1 << 3)
#define MM_IPC (1 << 4)
#define MM_TMP (1 << 5)
#ifndef MMAP_RETTYPE
#define MMAP_RETTYPE void *
#endif
typedef struct {
MMAP_RETTYPE addr;
int smode, pmode, vscope;
int advice, flag;
VALUE key;
size_t len, real;
off_t offset;
int fd;
char *path;
} mm_mmap;
typedef struct {
int count;
mm_mmap *t;
} mm_ipc;
#define GET_MMAP(obj, i_mm, t_modify) \
Data_Get_Struct(obj, mm_ipc, i_mm); \
if (!i_mm->t->path || i_mm->t->fd < 0 || i_mm->t->addr == NULL || i_mm->t->addr == MAP_FAILED) { \
rb_raise(rb_eIOError, "unmapped file"); \
} \
if ((t_modify & MM_MODIFY) && (i_mm->t->flag & MM_FROZEN)) { \
rb_error_frozen("mmap"); \
}
VALUE mm_s_alloc(VALUE obj);
VALUE mm_s_new(int argc, VALUE *argv, VALUE obj);
VALUE mm_init(VALUE obj, VALUE fname);
VALUE mm_aref_m(int argc, VALUE *argv, VALUE obj);
VALUE mm_msync(int argc, VALUE *argv, VALUE obj);
VALUE mm_unmap(VALUE obj);
/* If memory is ever reallocated, any allocated Ruby strings that have not been
* garbage collected need to be updated with the new region. If this isn't done,
* iterating over the Ruby object space and accessing the string data will seg fault.
*/
void mm_update(VALUE obj);
#endif
Version data entries
80 entries across 80 versions & 1 rubygems