X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libringbuffer%2Fshm.h;h=d7393cd255edea3fc4aca79904b657096b7c6a80;hb=HEAD;hp=9f72a5a248657f73c3176877d2e6357930dd10db;hpb=cba4b7a3bf98faff4c905f71064f7d66b9869e79;p=lttng-ust.git

diff --git a/libringbuffer/shm.h b/libringbuffer/shm.h
deleted file mode 100644
index 9f72a5a2..00000000
--- a/libringbuffer/shm.h
+++ /dev/null
@@ -1,101 +0,0 @@
-#ifndef _LIBRINGBUFFER_SHM_H
-#define _LIBRINGBUFFER_SHM_H
-
-/*
- * libringbuffer/shm.h
- *
- * Copyright 2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#include <stdint.h>
-#include <ust/usterr-signal-safe.h>
-#include "ust/core.h"
-#include "shm_types.h"
-
-/*
- * Pointer dereferencing. We don't trust the shm_ref, so we validate
- * both the index and offset with known boundaries.
- */
-static inline
-char *_shmp_offset(struct shm_object_table *table, struct shm_ref *ref,
-		   size_t idx, size_t elem_size)
-{
-	struct shm_object *obj;
-	size_t objindex, ref_offset;
-
-	objindex = (size_t) ref->index;
-	if (unlikely(objindex >= table->allocated_len))
-		return NULL;
-	obj = &table->objects[objindex];
-	ref_offset = (size_t) ref->offset;
-	ref_offset += idx * elem_size;
-	/* Check if part of the element returned would exceed the limits. */
-	if (unlikely(ref_offset + elem_size > obj->memory_map_size))
-		return NULL;
-	return &obj->memory_map[ref_offset];
-}
-
-#define shmp_index(handle, ref, index)					\
-	({								\
-		__typeof__((ref)._type) ____ptr_ret;			\
-		____ptr_ret = (__typeof__(____ptr_ret)) _shmp_offset((handle)->table, &(ref)._ref, index, sizeof(*____ptr_ret));	\
-		____ptr_ret;						\
-	})
-
-#define shmp(handle, ref)	shmp_index(handle, ref, 0)
-
-static inline
-void _set_shmp(struct shm_ref *ref, struct shm_ref src)
-{
-	*ref = src;
-}
-
-#define set_shmp(ref, src)	_set_shmp(&(ref)._ref, src)
-
-struct shm_object_table *shm_object_table_create(size_t max_nb_obj);
-void shm_object_table_destroy(struct shm_object_table *table);
-struct shm_object *shm_object_table_append(struct shm_object_table *table,
-					   size_t memory_map_size);
-
-/*
- * zalloc_shm - allocate memory within a shm object.
- *
- * Shared memory is already zeroed by shmget.
- * *NOT* multithread-safe (should be protected by mutex).
- * Returns a -1, -1 tuple on error.
- */
-struct shm_ref zalloc_shm(struct shm_object *obj, size_t len);
-void align_shm(struct shm_object *obj, size_t align);
-
-static inline
-int shm_get_wakeup_fd(struct shm_handle *handle, struct shm_ref *ref)
-{
-	struct shm_object_table *table = handle->table;
-	struct shm_object *obj;
-	size_t index;
-
-	index = (size_t) ref->index;
-	if (unlikely(index >= table->allocated_len))
-		return -EPERM;
-	obj = &table->objects[index];
-	return obj->wait_fd[1];
-
-}
-
-static inline
-int shm_get_wait_fd(struct shm_handle *handle, struct shm_ref *ref)
-{
-	struct shm_object_table *table = handle->table;
-	struct shm_object *obj;
-	size_t index;
-
-	index = (size_t) ref->index;
-	if (unlikely(index >= table->allocated_len))
-		return -EPERM;
-	obj = &table->objects[index];
-	return obj->wait_fd[0];
-}
-
-#endif /* _LIBRINGBUFFER_SHM_H */