2 * Copyright (C) 2008 The Android Open Source Project
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6 * modification, are permitted provided that the following conditions
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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28 #ifndef _PTHREAD_INTERNAL_H_
29 #define _PTHREAD_INTERNAL_H_
33 struct pthread_internal_t {
34 struct pthread_internal_t* next;
35 struct pthread_internal_t* prev;
41 volatile pthread_attr_t attr;
43 __pthread_cleanup_t* cleanup_stack;
45 void* (*start_routine)(void*);
46 void* start_routine_arg;
49 void* alternate_signal_stack;
52 * The dynamic linker implements dlerror(3), which makes it hard for us to implement this
53 * per-thread buffer by simply using malloc(3) and free(3).
55 #define __BIONIC_DLERROR_BUFFER_SIZE 508
56 char dlerror_buffer[__BIONIC_DLERROR_BUFFER_SIZE];
58 // ugly hack: use last 4 bytes of dlerror_buffer as cancel_lock
59 pthread_mutex_t cancel_lock;
62 /* Has the thread a cancellation request? */
63 #define PTHREAD_ATTR_FLAG_CANCEL_PENDING 0x00000008
65 /* Has the thread enabled cancellation? */
66 #define PTHREAD_ATTR_FLAG_CANCEL_ENABLE 0x00000010
68 /* Has the thread asyncronous cancellation? */
69 #define PTHREAD_ATTR_FLAG_CANCEL_ASYNCRONOUS 0x00000020
71 /* Has the thread a cancellation handler? */
72 #define PTHREAD_ATTR_FLAG_CANCEL_HANDLER 0x00000040
74 struct pthread_internal_t *__pthread_getid ( pthread_t );
76 int __pthread_do_cancel (struct pthread_internal_t *);
78 void pthread_init(void);
80 #endif /* _PTHREAD_INTERNAL_H_ */