arch/all-ios/kernel/_displayalert.c

   1 /*
   2     Copyright © 1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Display an alert, iOS-hosted version
   6     Lang: english
   7 */
   8
   9 #include <aros/atomic.h>
  10 #include <aros/libcall.h>
  11 #include <proto/exec.h>
  12
  13 #include <inttypes.h>
  14 #include <signal.h>
  15
  16 #include "hostinterface.h"
  17 #include "kernel_base.h"
  18 #include "kernel_debug.h"
  19 #include "kernel_intern.h"
  20 #include "kernel_unix.h"
  21
  22 static void (*displayAlert)(const char *text) = NULL;
  23
  24 void krnDisplayAlert(const char *text, struct KernelBase *KernelBase)
  25 {
  26     if (!displayAlert)
  27     {
  28         /*
  29          * Early alert. call hook is not initialized yet.
  30          * Fail back to debug output.
  31          */
  32         bug(text);
  33         return;
  34     }
  35
  36     /* Display the alert via our UIKit helper */
  37     displayAlert(text);
  38     AROS_HOST_BARRIER
  39 }
  40
  41 static int Alert_Init(void *libc)
  42 {
  43     APTR libHandle;
  44     char *err;
  45
  46     /*
  47      * We use local variable for the handle because we never expunge
  48      * so we will never close it
  49      */
  50     libHandle = HostIFace->hostlib_Open("Libs/Host/uikit_hidd.dylib", &err);
  51     if (!libHandle)
  52     {
  53         bug("Failed to load uikit_hidd.dylib: %s\n", err);
  54         return FALSE;
  55     }
  56
  57     displayAlert = HostIFace->hostlib_GetPointer(libHandle, "DisplayAlert", &err);
  58     if (displayAlert)
  59         return TRUE;
  60
  61     HostIFace->hostlib_Close(libHandle, NULL);
  62
  63     bug("Failed to load DisplayAlert helper: %s\n", err);
  64     return FALSE;
  65 }
  66
  67 ADD2SET(Alert_Init, STARTUP, 0);