module: provide a "common" constructor and destructor

Also, provide a lock for module to use (to ensure run() and content()
doesn't step on each other's toes).
This commit is contained in:
Daniel Eklöf 2018-12-18 20:12:04 +01:00
parent 3618b863ff
commit edc418b22d
2 changed files with 29 additions and 0 deletions

View file

@ -1,5 +1,6 @@
#pragma once
#include <threads.h>
#include <cairo.h>
#include "particle.h"
@ -21,6 +22,7 @@ struct module_expose_context {
struct module {
const struct bar *bar;
mtx_t lock;
void *private;
@ -35,6 +37,10 @@ struct module {
void (*end_expose)(const struct module *mod, struct module_expose_context *ctx);
};
struct module *module_common_new(void);
void module_default_destroy(struct module *mod);
struct module_expose_context module_default_begin_expose(
const struct module *mod, cairo_t *cr);