From baacf04799ace72a9c735dd9306a1ceaf305e7cf Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 20 Dec 2012 15:58:44 +0100 Subject: build: move libqemuutil.a components to util/ Signed-off-by: Paolo Bonzini --- util/module.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 util/module.c (limited to 'util/module.c') diff --git a/util/module.c b/util/module.c new file mode 100644 index 0000000000..7acc33d076 --- /dev/null +++ b/util/module.c @@ -0,0 +1,81 @@ +/* + * QEMU Module Infrastructure + * + * Copyright IBM, Corp. 2009 + * + * Authors: + * Anthony Liguori + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu-common.h" +#include "qemu/queue.h" +#include "qemu/module.h" + +typedef struct ModuleEntry +{ + void (*init)(void); + QTAILQ_ENTRY(ModuleEntry) node; +} ModuleEntry; + +typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList; + +static ModuleTypeList init_type_list[MODULE_INIT_MAX]; + +static void init_types(void) +{ + static int inited; + int i; + + if (inited) { + return; + } + + for (i = 0; i < MODULE_INIT_MAX; i++) { + QTAILQ_INIT(&init_type_list[i]); + } + + inited = 1; +} + + +static ModuleTypeList *find_type(module_init_type type) +{ + ModuleTypeList *l; + + init_types(); + + l = &init_type_list[type]; + + return l; +} + +void register_module_init(void (*fn)(void), module_init_type type) +{ + ModuleEntry *e; + ModuleTypeList *l; + + e = g_malloc0(sizeof(*e)); + e->init = fn; + + l = find_type(type); + + QTAILQ_INSERT_TAIL(l, e, node); +} + +void module_call_init(module_init_type type) +{ + ModuleTypeList *l; + ModuleEntry *e; + + l = find_type(type); + + QTAILQ_FOREACH(e, l, node) { + e->init(); + } +} -- cgit v1.2.3