app.h 1.7 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
  1. /*
  2. * Copyright (c) 2009 Travis Geiselbrecht
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining
  5. * a copy of this software and associated documentation files
  6. * (the "Software"), to deal in the Software without restriction,
  7. * including without limitation the rights to use, copy, modify, merge,
  8. * publish, distribute, sublicense, and/or sell copies of the Software,
  9. * and to permit persons to whom the Software is furnished to do so,
  10. * subject to the following conditions:
  11. *
  12. * The above copyright notice and this permission notice shall be
  13. * included in all copies or substantial portions of the Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19. * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20. * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21. * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22. */
  23. #ifndef __APP_H
  24. #define __APP_H
  25. /* app support api */
  26. void apps_init(void); /* one time setup */
  27. /* app entry point */
  28. struct app_descriptor;
  29. typedef void (*app_init)(const struct app_descriptor *);
  30. typedef void (*app_entry)(const struct app_descriptor *, void *args);
  31. /* app startup flags */
  32. #define APP_FLAG_DONT_START_ON_BOOT 0x1
  33. /* each app needs to define one of these to define its startup conditions */
  34. struct app_descriptor {
  35. const char *name;
  36. app_init init;
  37. app_entry entry;
  38. unsigned int flags;
  39. };
  40. #define APP_START(appname) struct app_descriptor _app_##appname __SECTION(".apps") = { .name = #appname,
  41. #define APP_END };
  42. #endif