diff options
Diffstat (limited to 'module.c')
-rw-r--r-- | module.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/module.c b/module.c new file mode 100644 index 0000000..3729283 --- /dev/null +++ b/module.c @@ -0,0 +1,80 @@ +/* + * QEMU Module Infrastructure + * + * Copyright IBM, Corp. 2009 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#include "qemu-common.h" +#include "sys-queue.h" +#include "module.h" + +typedef struct ModuleEntry +{ + module_init_type type; + void (*init)(void); + TAILQ_ENTRY(ModuleEntry) node; +} ModuleEntry; + +typedef TAILQ_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++) { + TAILQ_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 = qemu_mallocz(sizeof(*e)); + e->init = fn; + + l = find_type(type); + + TAILQ_INSERT_TAIL(l, e, node); +} + +void module_call_init(module_init_type type) +{ + ModuleTypeList *l; + ModuleEntry *e; + + l = find_type(type); + + TAILQ_FOREACH(e, l, node) { + e->init(); + } +} |