1 #ifndef _PTHREAD_IMPL_H
2 #define _PTHREAD_IMPL_H
14 #include "pthread_arch.h"
16 #define pthread __pthread
19 /* Part 1 -- these fields may be external or
20 * internal (accessed via asm) ABI. Do not change. */
25 struct pthread *prev, *next; /* non-ABI */
34 /* Part 2 -- implementation details, non-ABI. */
37 volatile int detach_state;
39 volatile unsigned char canceldisable, cancelasync;
40 unsigned char tsd_used:1;
41 unsigned char dlerror_flag:1;
42 unsigned char *map_base;
48 struct __ptcb *cancelbuf;
51 volatile void *volatile head;
53 volatile void *volatile pending;
56 volatile int timer_id;
58 volatile int killlock[1];
62 /* Part 3 -- the positions of these fields relative to
63 * the end of the structure is external and internal ABI. */
76 #define __SU (sizeof(size_t)/sizeof(int))
78 #define _a_stacksize __u.__s[0]
79 #define _a_guardsize __u.__s[1]
80 #define _a_stackaddr __u.__s[2]
81 #define _a_detach __u.__i[3*__SU+0]
82 #define _a_sched __u.__i[3*__SU+1]
83 #define _a_policy __u.__i[3*__SU+2]
84 #define _a_prio __u.__i[3*__SU+3]
85 #define _m_type __u.__i[0]
86 #define _m_lock __u.__vi[1]
87 #define _m_waiters __u.__vi[2]
88 #define _m_prev __u.__p[3]
89 #define _m_next __u.__p[4]
90 #define _m_count __u.__i[5]
91 #define _c_shared __u.__p[0]
92 #define _c_seq __u.__vi[2]
93 #define _c_waiters __u.__vi[3]
94 #define _c_clock __u.__i[4]
95 #define _c_lock __u.__vi[8]
96 #define _c_head __u.__p[1]
97 #define _c_tail __u.__p[5]
98 #define _rw_lock __u.__vi[0]
99 #define _rw_waiters __u.__vi[1]
100 #define _rw_shared __u.__i[2]
101 #define _b_lock __u.__vi[0]
102 #define _b_waiters __u.__vi[1]
103 #define _b_limit __u.__i[2]
104 #define _b_count __u.__vi[3]
105 #define _b_waiters2 __u.__vi[4]
106 #define _b_inst __u.__p[3]
117 #define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + TP_OFFSET)
118 #define __pthread_self() ((pthread_t)(__get_tp() - sizeof(struct __pthread) - TP_OFFSET))
120 #define TP_ADJ(p) (p)
121 #define __pthread_self() ((pthread_t)__get_tp())
124 #ifndef tls_mod_off_t
125 #define tls_mod_off_t size_t
130 #define SIGSYNCCALL 34
132 #define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
134 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
135 [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
136 #define SIGTIMER_SET \
137 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
140 void *__tls_get_addr(tls_mod_off_t *);
141 hidden int __init_tp(void *);
142 hidden void *__copy_tls(unsigned char *);
143 hidden void __reset_tls();
145 hidden void __membarrier_init(void);
146 hidden void __dl_thread_cleanup(void);
147 hidden void __testcancel();
148 hidden void __do_cleanup_push(struct __ptcb *);
149 hidden void __do_cleanup_pop(struct __ptcb *);
150 hidden void __pthread_tsd_run_dtors();
152 hidden void __pthread_key_delete_synccall(void (*)(void *), void *);
153 hidden int __pthread_key_delete_impl(pthread_key_t);
155 extern hidden volatile size_t __pthread_tsd_size;
156 extern hidden void *__pthread_tsd_main[];
157 extern hidden volatile int __eintr_valid_flag;
159 hidden int __clone(int (*)(void *), void *, int, void *, ...);
160 hidden int __set_thread_area(void *);
161 hidden int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
162 hidden void __unmapself(void *, size_t);
164 hidden int __timedwait(volatile int *, int, clockid_t, const struct timespec *, int);
165 hidden int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int);
166 hidden void __wait(volatile int *, volatile int *, int, int);
167 static inline void __wake(volatile void *addr, int cnt, int priv)
169 if (priv) priv = FUTEX_PRIVATE;
170 if (cnt<0) cnt = INT_MAX;
171 __syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS ||
172 __syscall(SYS_futex, addr, FUTEX_WAKE, cnt);
174 static inline void __futexwait(volatile void *addr, int val, int priv)
176 if (priv) priv = FUTEX_PRIVATE;
177 __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -ENOSYS ||
178 __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
181 hidden void __acquire_ptc(void);
182 hidden void __release_ptc(void);
183 hidden void __inhibit_ptc(void);
185 hidden void __tl_lock(void);
186 hidden void __tl_unlock(void);
187 hidden void __tl_sync(pthread_t);
189 extern hidden volatile int __thread_list_lock;
191 extern hidden volatile int __abort_lock[1];
193 extern hidden unsigned __default_stacksize;
194 extern hidden unsigned __default_guardsize;
196 #define DEFAULT_STACK_SIZE 131072
197 #define DEFAULT_GUARD_SIZE 8192
199 #define DEFAULT_STACK_MAX (8<<20)
200 #define DEFAULT_GUARD_MAX (1<<20)
202 #define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)