pthread_impl.h 2.9 KB

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  1. #ifndef _PTHREAD_IMPL_H
  2. #define _PTHREAD_IMPL_H
  3. #include <pthread.h>
  4. #include <signal.h>
  5. #include <errno.h>
  6. #include <limits.h>
  7. #include "libc.h"
  8. #include "syscall.h"
  9. #include "atomic.h"
  10. #include "futex.h"
  11. #define pthread __pthread
  12. struct pthread {
  13. struct pthread *self;
  14. void **dtv, *unused1, *unused2;
  15. uintptr_t sysinfo;
  16. uintptr_t canary;
  17. pid_t tid, pid;
  18. int tsd_used, errno_val, *errno_ptr;
  19. volatile int cancel, canceldisable, cancelasync;
  20. int detached;
  21. unsigned char *map_base;
  22. size_t map_size;
  23. void *start_arg;
  24. void *(*start)(void *);
  25. void *result;
  26. struct __ptcb *cancelbuf;
  27. void **tsd;
  28. pthread_attr_t attr;
  29. volatile int dead;
  30. struct {
  31. void **head;
  32. long off;
  33. void *pending;
  34. } robust_list;
  35. int unblock_cancel;
  36. int delete_timer;
  37. locale_t locale;
  38. int killlock[2];
  39. int exitlock[2];
  40. int startlock[2];
  41. unsigned long sigmask[__SYSCALL_SSLEN/sizeof(long)];
  42. };
  43. struct __timer {
  44. int timerid;
  45. pthread_t thread;
  46. };
  47. #define __SU (sizeof(size_t)/sizeof(int))
  48. #define _a_stacksize __u.__s[0]
  49. #define _a_guardsize __u.__s[1]
  50. #define _a_stackaddr __u.__s[2]
  51. #define _a_detach __u.__i[3*__SU+0]
  52. #define _a_sched __u.__i[3*__SU+1]
  53. #define _a_policy __u.__i[3*__SU+2]
  54. #define _a_prio __u.__i[3*__SU+3]
  55. #define _m_type __u.__i[0]
  56. #define _m_lock __u.__i[1]
  57. #define _m_waiters __u.__i[2]
  58. #define _m_prev __u.__p[3]
  59. #define _m_next __u.__p[4]
  60. #define _m_count __u.__i[5]
  61. #define _c_mutex __u.__p[0]
  62. #define _c_seq __u.__i[2]
  63. #define _c_waiters __u.__i[3]
  64. #define _c_clock __u.__i[4]
  65. #define _c_lock __u.__i[5]
  66. #define _c_lockwait __u.__i[6]
  67. #define _c_waiters2 __u.__i[7]
  68. #define _c_destroy __u.__i[8]
  69. #define _rw_lock __u.__i[0]
  70. #define _rw_waiters __u.__i[1]
  71. #define _b_lock __u.__i[0]
  72. #define _b_waiters __u.__i[1]
  73. #define _b_limit __u.__i[2]
  74. #define _b_count __u.__i[3]
  75. #define _b_waiters2 __u.__i[4]
  76. #define _b_inst __u.__p[3]
  77. #include "pthread_arch.h"
  78. #define SIGTIMER 32
  79. #define SIGCANCEL 33
  80. #define SIGSYNCCALL 34
  81. #define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
  82. #define SIGPT_SET \
  83. ((sigset_t *)(const unsigned long [__SYSCALL_SSLEN/sizeof(long)]){ \
  84. [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
  85. #define SIGTIMER_SET \
  86. ((sigset_t *)(const unsigned long [__SYSCALL_SSLEN/sizeof(long)]){ \
  87. 0x80000000 })
  88. pthread_t __pthread_self_init(void);
  89. int __clone(int (*)(void *), void *, int, void *, ...);
  90. int __set_thread_area(void *);
  91. int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
  92. int __libc_sigprocmask(int, const sigset_t *, sigset_t *);
  93. void __lock(volatile int *);
  94. void __unmapself(void *, size_t);
  95. int __timedwait(volatile int *, int, clockid_t, const struct timespec *, void (*)(void *), void *, int);
  96. void __wait(volatile int *, volatile int *, int, int);
  97. void __wake(volatile int *, int, int);
  98. void __acquire_ptc();
  99. void __release_ptc();
  100. void __inhibit_ptc();
  101. #define DEFAULT_STACK_SIZE 81920
  102. #define DEFAULT_GUARD_SIZE PAGE_SIZE
  103. #endif