kernel/type.h

   1 #ifndef TYPE_H
   2 #define TYPE_H
   3
   4 #include <minix/com.h>
   5
   6 typedef _PROTOTYPE( void task_t, (void) );
   7
   8 /* Process table and system property related types. */
   9 typedef int proc_nr_t;                  /* process table entry number */
  10 typedef short sys_id_t;                 /* system process index */
  11 typedef struct {                        /* bitmap for system indexes */
  12   bitchunk_t chunk[BITMAP_CHUNKS(NR_SYS_PROCS)];
  13 } sys_map_t;
  14
  15 struct boot_image {
  16   proc_nr_t proc_nr;                    /* process number to use */
  17   task_t *initial_pc;                   /* start function for tasks */
  18   int flags;                            /* process flags */
  19   unsigned char quantum;                /* quantum (tick count) */
  20   int priority;                         /* scheduling priority */
  21   int stksize;                          /* stack size for tasks */
  22   short trap_mask;                      /* allowed system call traps */
  23   bitchunk_t ipc_to;                    /* send mask protection */
  24   int *k_calls;                         /* kern. call protection */
  25   int nr_k_calls;
  26   char proc_name[P_NAME_LEN];           /* name in process table */
  27   endpoint_t endpoint;                  /* endpoint number when started */
  28 };
  29
  30 /* The kernel outputs diagnostic messages in a circular buffer. */
  31 struct kmessages {
  32   int km_next;                          /* next index to write */
  33   int km_size;                          /* current size in buffer */
  34   char km_buf[KMESS_BUF_SIZE];          /* buffer for messages */
  35 };
  36
  37 struct randomness {
  38   struct {
  39         int r_next;                             /* next index to write */
  40         int r_size;                             /* number of random elements */
  41         unsigned short r_buf[RANDOM_ELEMENTS]; /* buffer for random info */
  42   } bin[RANDOM_SOURCES];
  43 };
  44
  45 typedef unsigned long irq_policy_t;
  46 typedef unsigned long irq_id_t;
  47
  48 typedef struct irq_hook {
  49   struct irq_hook *next;                /* next hook in chain */
  50   int (*handler)(struct irq_hook *);    /* interrupt handler */
  51   int irq;                              /* IRQ vector number */
  52   int id;                               /* id of this hook */
  53   int proc_nr_e;                        /* (endpoint) NONE if not in use */
  54   irq_id_t notify_id;                   /* id to return on interrupt */
  55   irq_policy_t policy;                  /* bit mask for policy */
  56 } irq_hook_t;
  57
  58 typedef int (*irq_handler_t)(struct irq_hook *);
  59
  60 #endif /* TYPE_H */