minix/lib/libddekit/src/thread.h

   1 #ifndef DDEKIT_SRC_THREAD_H
   2 #define DDEKIT_SRC_THREAD_H 1
   3 #include <ddekit/thread.h>
   4 #include <ddekit/semaphore.h>
   5 #include <ucontext.h>
   6
   7 #define DDEKIT_THREAD_NAMELEN 32
   8 #define DDEKIT_THREAD_PRIOS 3
   9 #define DDEKIT_THREAD_STDPRIO 1
  10
  11 #define DDEKIT_THREAD_STACKSIZE (4096*16)
  12
  13 /* This threadlib makes following assumptions:
  14  *  No Preemption,
  15  *  No signals,
  16  *  No blocking syscalls
  17  *  Threads cooperate.
  18  */
  19
  20 struct ddekit_thread {
  21         int id;
  22         int prio;
  23         void (*fun)(void *);
  24         char *stack;
  25         void *arg;
  26         void *data;
  27         unsigned sleep_until;
  28         char name[DDEKIT_THREAD_NAMELEN];
  29         ucontext_t ctx;
  30         ddekit_sem_t *sleep_sem;
  31         struct ddekit_thread * next;
  32 };
  33
  34
  35 void _ddekit_thread_set_myprio(int prio);
  36 void _ddekit_thread_enqueue(ddekit_thread_t *th);
  37 void _ddekit_thread_dequeue(ddekit_thread_t *th);
  38 void _ddekit_thread_schedule();
  39 void _ddekit_thread_wakeup_sleeping();
  40 void _ddekit_print_backtrace(ddekit_thread_t *th);
  41
  42
  43 #endif