odyssey/sources/machine_mgr.c

59 lines
1.2 KiB
C

/*
* machinarium.
*
* cooperative multitasking engine.
*/
#include <machinarium.h>
#include <machinarium_private.h>
void mm_machinemgr_init(mm_machinemgr_t *mgr)
{
pthread_spin_init(&mgr->lock, PTHREAD_PROCESS_PRIVATE);
mm_list_init(&mgr->list);
mgr->count = 0;
mgr->seq = 0;
}
void mm_machinemgr_free(mm_machinemgr_t *mgr)
{
pthread_spin_destroy(&mgr->lock);
}
void mm_machinemgr_add(mm_machinemgr_t *mgr, mm_machine_t *machine)
{
pthread_spin_lock(&mgr->lock);
machine->id = mgr->seq++;
mm_list_append(&mgr->list, &machine->link);
mgr->count++;
pthread_spin_unlock(&mgr->lock);
}
void mm_machinemgr_delete(mm_machinemgr_t *mgr, mm_machine_t *machine)
{
pthread_spin_lock(&mgr->lock);
mm_list_unlink(&machine->link);
mgr->count--;
pthread_spin_unlock(&mgr->lock);
}
mm_machine_t*
mm_machinemgr_delete_by_id(mm_machinemgr_t *mgr, uint64_t id)
{
pthread_spin_lock(&mgr->lock);
mm_list_t *i;
mm_list_foreach(&mgr->list, i) {
mm_machine_t *machine;
machine = mm_container_of(i, mm_machine_t, link);
if (machine->id == id) {
mm_list_unlink(&machine->link);
mgr->count--;
pthread_spin_unlock(&mgr->lock);
return machine;
}
}
pthread_spin_unlock(&mgr->lock);
return NULL;
}