alt_malloc_lock.c 2.9 KB

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  1. /******************************************************************************
  2. * *
  3. * License Agreement *
  4. * *
  5. * Copyright (c) 2004 Altera Corporation, San Jose, California, USA. *
  6. * All rights reserved. *
  7. * *
  8. * Permission is hereby granted, free of charge, to any person obtaining a *
  9. * copy of this software and associated documentation files (the "Software"), *
  10. * to deal in the Software without restriction, including without limitation *
  11. * the rights to use, copy, modify, merge, publish, distribute, sublicense, *
  12. * and/or sell copies of the Software, and to permit persons to whom the *
  13. * Software is furnished to do so, subject to the following conditions: *
  14. * *
  15. * The above copyright notice and this permission notice shall be included in *
  16. * all copies or substantial portions of the Software. *
  17. * *
  18. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
  19. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
  20. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
  21. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
  22. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
  23. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
  24. * DEALINGS IN THE SOFTWARE. *
  25. * *
  26. * This agreement shall be governed in all respects by the laws of the State *
  27. * of California and by the laws of the United States of America. *
  28. * *
  29. * Altera does not recommend, suggest or require that this reference design *
  30. * file be used in conjunction or combination with any other product. *
  31. ******************************************************************************/
  32. #include <reent.h>
  33. /*
  34. * These are the empty malloc lock/unlock stubs required by newlib. These are
  35. * used to make newlib's malloc() function thread safe. The default HAL
  36. * configuration is single threaded, so there is nothing to do here. Note that
  37. * this requires that malloc is never called by an interrupt service routine.
  38. */
  39. void __malloc_lock ( struct _reent *_r )
  40. {
  41. }
  42. /*
  43. *
  44. */
  45. void __malloc_unlock ( struct _reent *_r )
  46. {
  47. }