workbench/libs/thread/currentthread.c

   1 /*
   2  * thread.library - threading and synchronisation primitives
   3  *
   4  * Copyright © 2007 Robert Norris
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the same terms as AROS itself.
   8  */
   9
  10 #include "thread_intern.h"
  11
  12 #include <proto/exec.h>
  13
  14 /*****************************************************************************
  15
  16     NAME */
  17         AROS_LH0(uint32_t, CurrentThread,
  18
  19 /*  SYNOPSIS */
  20
  21 /*  LOCATION */
  22         struct ThreadBase *, ThreadBase, 9, Thread)
  23
  24 /*  FUNCTION
  25         Get the ID of the running thread.
  26
  27     INPUTS
  28         None.
  29
  30     RESULT
  31         Numeric thread ID, or 0 if this is not a thread.
  32
  33     NOTES
  34
  35     EXAMPLE
  36         uint32_t id = CurrentThread();
  37         printf("this is thread %d\n", id);
  38
  39     BUGS
  40
  41     SEE ALSO
  42         CreateThread(), DetachThread(), WaitThread(), WaitAllThreads()
  43
  44     INTERNALS
  45
  46 *****************************************************************************/
  47 {
  48     AROS_LIBFUNC_INIT
  49
  50     /* find it */
  51     struct _Thread *thread = _getthreadbytask(FindTask(NULL), ThreadBase);
  52     if (thread == NULL)
  53         return 0;
  54
  55     return thread->id;
  56
  57     AROS_LIBFUNC_EXIT
  58 } /* CurrentThread */