b920df5c79
Signed-off-by: Chen Yufei <cyfdecyf@gmail.com> Acked-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
82 lines
1.4 KiB
C
82 lines
1.4 KiB
C
/*
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* QEMU Module Infrastructure
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*
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* Copyright IBM, Corp. 2009
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu-common.h"
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#include "qemu-queue.h"
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#include "module.h"
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typedef struct ModuleEntry
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{
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void (*init)(void);
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QTAILQ_ENTRY(ModuleEntry) node;
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} ModuleEntry;
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typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList;
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static ModuleTypeList init_type_list[MODULE_INIT_MAX];
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static void init_types(void)
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{
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static int inited;
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int i;
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if (inited) {
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return;
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}
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for (i = 0; i < MODULE_INIT_MAX; i++) {
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QTAILQ_INIT(&init_type_list[i]);
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}
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inited = 1;
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}
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static ModuleTypeList *find_type(module_init_type type)
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{
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ModuleTypeList *l;
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init_types();
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l = &init_type_list[type];
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return l;
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}
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void register_module_init(void (*fn)(void), module_init_type type)
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{
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ModuleEntry *e;
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ModuleTypeList *l;
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e = g_malloc0(sizeof(*e));
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e->init = fn;
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l = find_type(type);
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QTAILQ_INSERT_TAIL(l, e, node);
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}
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void module_call_init(module_init_type type)
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{
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ModuleTypeList *l;
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ModuleEntry *e;
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l = find_type(type);
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QTAILQ_FOREACH(e, l, node) {
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e->init();
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}
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}
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