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node: add new function node_memtype() to get node specific memory allocators

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This commit is contained in:
Steffen Vogel 2018-06-29 17:32:07 +02:00
parent 1e2d4158f0
commit 9ecdb54832
3 changed files with 12 additions and 0 deletions
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3
include/villas/node.h
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@ -158,4 +158,7 @@ int node_write(struct node *n, struct sample *smps[], unsigned cnt);
int node_fd(struct node *n);
struct memtype * node_memtype(struct node *n, struct memtype *parent);
/** @} */

4
include/villas/node_type.h
View file

@ -30,6 +30,7 @@
#include "list.h"
#include "common.h"
#include "memory.h"
/* Forward declarations */
struct node;
@ -149,6 +150,9 @@ struct node_type {
/** Return a file descriptor which can be used by poll / select to detect the availability of new data. */
int (*fd)(struct node *n);
/** */
struct memtype * (*memtype)(struct node *n, struct memtype *parent);
};
/** Initialize all registered node type subsystems.

5
lib/node.c
View file

@ -544,6 +544,11 @@ int node_fd(struct node *n)
return n->_vt->fd ? n->_vt->fd(n) : -1;
}
struct memtype * node_memtype(struct node *n, struct memtype *parent)
{
return n->_vt->memtype ? n->_vt->memtype(n) : &memtype_huge;
}
int node_parse_list(struct list *list, json_t *cfg, struct list *all)
{
struct node *node;