1 #ifndef _PTHREAD_IMPL_H
2 #define _PTHREAD_IMPL_H
14 #define pthread __pthread
17 /* Part 1 -- these fields may be external or
18 * internal (accessed via asm) ABI. Do not change. */
21 struct pthread
*prev
, *next
; /* non-ABI */
23 uintptr_t canary
, canary2
;
25 /* Part 2 -- implementation details, non-ABI. */
28 volatile int detach_state
;
30 volatile unsigned char canceldisable
, cancelasync
;
31 unsigned char tsd_used
:1;
32 unsigned char dlerror_flag
:1;
33 unsigned char *map_base
;
39 struct __ptcb
*cancelbuf
;
42 volatile void *volatile head
;
44 volatile void *volatile pending
;
46 volatile int timer_id
;
48 volatile int killlock
[1];
52 /* Part 3 -- the positions of these fields relative to
53 * the end of the structure is external and internal ABI. */
54 uintptr_t canary_at_end
;
69 #define __SU (sizeof(size_t)/sizeof(int))
71 #define _a_stacksize __u.__s[0]
72 #define _a_guardsize __u.__s[1]
73 #define _a_stackaddr __u.__s[2]
74 #define _a_detach __u.__i[3*__SU+0]
75 #define _a_sched __u.__i[3*__SU+1]
76 #define _a_policy __u.__i[3*__SU+2]
77 #define _a_prio __u.__i[3*__SU+3]
78 #define _m_type __u.__i[0]
79 #define _m_lock __u.__vi[1]
80 #define _m_waiters __u.__vi[2]
81 #define _m_prev __u.__p[3]
82 #define _m_next __u.__p[4]
83 #define _m_count __u.__i[5]
84 #define _c_shared __u.__p[0]
85 #define _c_seq __u.__vi[2]
86 #define _c_waiters __u.__vi[3]
87 #define _c_clock __u.__i[4]
88 #define _c_lock __u.__vi[8]
89 #define _c_head __u.__p[1]
90 #define _c_tail __u.__p[5]
91 #define _rw_lock __u.__vi[0]
92 #define _rw_waiters __u.__vi[1]
93 #define _rw_shared __u.__i[2]
94 #define _b_lock __u.__vi[0]
95 #define _b_waiters __u.__vi[1]
96 #define _b_limit __u.__i[2]
97 #define _b_count __u.__vi[3]
98 #define _b_waiters2 __u.__vi[4]
99 #define _b_inst __u.__p[3]
101 #include "pthread_arch.h"
104 #define CANARY canary
111 #ifndef tls_mod_off_t
112 #define tls_mod_off_t size_t
117 #define SIGSYNCCALL 34
119 #define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
121 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
122 [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
123 #define SIGTIMER_SET \
124 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
127 void *__tls_get_addr(tls_mod_off_t
*);
128 hidden
void *__tls_get_new(tls_mod_off_t
*);
129 hidden
int __init_tp(void *);
130 hidden
void *__copy_tls(unsigned char *);
131 hidden
void __reset_tls();
133 hidden
void __dl_thread_cleanup(void);
134 hidden
void __testcancel();
135 hidden
void __do_cleanup_push(struct __ptcb
*);
136 hidden
void __do_cleanup_pop(struct __ptcb
*);
137 hidden
void __pthread_tsd_run_dtors();
139 hidden
void __pthread_key_delete_synccall(void (*)(void *), void *);
140 hidden
int __pthread_key_delete_impl(pthread_key_t
);
142 extern hidden
volatile int __block_new_threads
;
143 extern hidden
volatile size_t __pthread_tsd_size
;
144 extern hidden
void *__pthread_tsd_main
[];
145 extern hidden
volatile int __aio_fut
;
146 extern hidden
volatile int __eintr_valid_flag
;
148 hidden
int __clone(int (*)(void *), void *, int, void *, ...);
149 hidden
int __set_thread_area(void *);
150 hidden
int __libc_sigaction(int, const struct sigaction
*, struct sigaction
*);
151 hidden
void __unmapself(void *, size_t);
153 hidden
int __timedwait(volatile int *, int, clockid_t
, const struct timespec
*, int);
154 hidden
int __timedwait_cp(volatile int *, int, clockid_t
, const struct timespec
*, int);
155 hidden
void __wait(volatile int *, volatile int *, int, int);
156 static inline void __wake(volatile void *addr
, int cnt
, int priv
)
158 if (priv
) priv
= FUTEX_PRIVATE
;
159 if (cnt
<0) cnt
= INT_MAX
;
160 __syscall(SYS_futex
, addr
, FUTEX_WAKE
|priv
, cnt
) != -ENOSYS
||
161 __syscall(SYS_futex
, addr
, FUTEX_WAKE
, cnt
);
163 static inline void __futexwait(volatile void *addr
, int val
, int priv
)
165 if (priv
) priv
= FUTEX_PRIVATE
;
166 __syscall(SYS_futex
, addr
, FUTEX_WAIT
|priv
, val
, 0) != -ENOSYS
||
167 __syscall(SYS_futex
, addr
, FUTEX_WAIT
, val
, 0);
170 hidden
void __acquire_ptc(void);
171 hidden
void __release_ptc(void);
172 hidden
void __inhibit_ptc(void);
174 hidden
void __tl_lock(void);
175 hidden
void __tl_unlock(void);
176 hidden
void __tl_sync(pthread_t
);
178 extern hidden
volatile int __thread_list_lock
;
180 extern hidden
unsigned __default_stacksize
;
181 extern hidden
unsigned __default_guardsize
;
183 #define DEFAULT_STACK_SIZE 131072
184 #define DEFAULT_GUARD_SIZE 8192
186 #define DEFAULT_STACK_MAX (8<<20)
187 #define DEFAULT_GUARD_MAX (1<<20)
189 #define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)