sethread_internal.h 4.0 KB

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  1. /*
  2. * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #include "sgx_trts.h"
  32. #include "sgx_spinlock.h"
  33. #include "sgx_thread.h"
  34. #include "internal/se_cdefs.h"
  35. #include "internal/arch.h"
  36. #include "internal/thread_data.h"
  37. #include "trts_internal.h"
  38. typedef struct _thread_data_t *pTD;
  39. /* Queue operations */
  40. #define QUEUE_FIRST(head) ((sgx_thread_t)((head)->m_first))
  41. #define QUEUE_NEXT(elm) ((sgx_thread_t)(((pTD)(elm))->m_next))
  42. #define QUEUE_INIT(head) do { \
  43. (head)->m_first = \
  44. (head)->m_last = SGX_THREAD_T_NULL; \
  45. } while (0)
  46. #define QUEUE_FOREACH(var, head) \
  47. for((var) = QUEUE_FIRST(head); \
  48. (var) != SGX_THREAD_T_NULL; \
  49. (var) = QUEUE_NEXT(var))
  50. #define QUEUE_INSERT_TAIL(head, elm) do { \
  51. ((pTD)(elm))->m_next = NULL; \
  52. if ((head)->m_first != SGX_THREAD_T_NULL) \
  53. ((pTD)((head)->m_last))->m_next = (pTD)(elm); \
  54. else \
  55. (head)->m_first = (elm); \
  56. (head)->m_last = (elm); \
  57. } while (0)
  58. #define QUEUE_REMOVE_HEAD(head) do { \
  59. if (((head)->m_first = \
  60. QUEUE_NEXT((head)->m_first)) == SGX_THREAD_T_NULL) \
  61. (head)->m_last = SGX_THREAD_T_NULL; \
  62. } while (0)
  63. #define QUEUE_COUNT_ALL(var, head, total) do { \
  64. QUEUE_FOREACH(var, head) \
  65. (total)++; \
  66. } while(0) \
  67. /* Spinlock */
  68. #define SPIN_LOCK(_lck) sgx_spin_lock((sgx_spinlock_t *)_lck);
  69. #define SPIN_UNLOCK(_lck) sgx_spin_unlock((sgx_spinlock_t *)_lck);
  70. /* check enclave address */
  71. #define CHECK_PARAMETER(addr) do { \
  72. if (addr == NULL || \
  73. !sgx_is_within_enclave((void *)addr, sizeof(*addr))) \
  74. return EINVAL; \
  75. } while (0)
  76. /* Generated OCALLs */
  77. extern "C" sgx_status_t sgx_thread_wait_untrusted_event_ocall(int* retval, const void *self);
  78. extern "C" sgx_status_t sgx_thread_set_untrusted_event_ocall(int* retval, const void *waiter);
  79. extern "C" sgx_status_t sgx_thread_set_multiple_untrusted_events_ocall(int* retval, const void** waiters, size_t total);
  80. extern "C" sgx_status_t sgx_thread_setwait_untrusted_events_ocall(int* retval, const void *waiter, const void *self);
  81. extern "C" int sgx_thread_mutex_unlock_lazy(sgx_thread_mutex_t *mutex, sgx_thread_t *pwaiter);