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. */
20 void **dtv, *unused1, *unused2;
22 uintptr_t canary, canary2;
24 /* Part 2 -- implementation details, non-ABI. */
27 volatile int detach_state;
29 volatile unsigned char canceldisable, cancelasync;
30 unsigned char tsd_used:1;
31 unsigned char unblock_cancel:1;
32 unsigned char dlerror_flag:1;
33 unsigned char *map_base;
39 void *(*start)(void *);
41 struct __ptcb *cancelbuf;
44 volatile void *volatile head;
46 volatile void *volatile pending;
48 volatile int timer_id;
50 volatile int killlock[1];
54 /* Part 3 -- the positions of these fields relative to
55 * the end of the structure is external and internal ABI. */
56 uintptr_t canary_at_end;
60 struct start_sched_args {
62 void *(*start_fn)(void *);
81 #define __SU (sizeof(size_t)/sizeof(int))
83 #define _a_stacksize __u.__s[0]
84 #define _a_guardsize __u.__s[1]
85 #define _a_stackaddr __u.__s[2]
86 #define _a_detach __u.__i[3*__SU+0]
87 #define _a_sched __u.__i[3*__SU+1]
88 #define _a_policy __u.__i[3*__SU+2]
89 #define _a_prio __u.__i[3*__SU+3]
90 #define _m_type __u.__i[0]
91 #define _m_lock __u.__vi[1]
92 #define _m_waiters __u.__vi[2]
93 #define _m_prev __u.__p[3]
94 #define _m_next __u.__p[4]
95 #define _m_count __u.__i[5]
96 #define _c_shared __u.__p[0]
97 #define _c_seq __u.__vi[2]
98 #define _c_waiters __u.__vi[3]
99 #define _c_clock __u.__i[4]
100 #define _c_lock __u.__vi[8]
101 #define _c_head __u.__p[1]
102 #define _c_tail __u.__p[5]
103 #define _rw_lock __u.__vi[0]
104 #define _rw_waiters __u.__vi[1]
105 #define _rw_shared __u.__i[2]
106 #define _b_lock __u.__vi[0]
107 #define _b_waiters __u.__vi[1]
108 #define _b_limit __u.__i[2]
109 #define _b_count __u.__vi[3]
110 #define _b_waiters2 __u.__vi[4]
111 #define _b_inst __u.__p[3]
113 #include "pthread_arch.h"
116 #define CANARY canary
123 #ifndef tls_mod_off_t
124 #define tls_mod_off_t size_t
129 #define SIGSYNCCALL 34
131 #define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
133 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
134 [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
135 #define SIGTIMER_SET \
136 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
139 void *__tls_get_addr(tls_mod_off_t *);
140 hidden void *__tls_get_new(tls_mod_off_t *);
141 int __init_tp(void *);
142 void *__copy_tls(unsigned char *);
145 hidden int __clone(int (*)(void *), void *, int, void *, ...);
146 hidden int __set_thread_area(void *);
147 int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
148 void __unmapself(void *, size_t);
150 int __timedwait(volatile int *, int, clockid_t, const struct timespec *, int);
151 int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int);
152 void __wait(volatile int *, volatile int *, int, int);
153 static inline void __wake(volatile void *addr, int cnt, int priv)
155 if (priv) priv = FUTEX_PRIVATE;
156 if (cnt<0) cnt = INT_MAX;
157 __syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS ||
158 __syscall(SYS_futex, addr, FUTEX_WAKE, cnt);
160 static inline void __futexwait(volatile void *addr, int val, int priv)
162 if (priv) priv = FUTEX_PRIVATE;
163 __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -ENOSYS ||
164 __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
167 void __acquire_ptc(void);
168 void __release_ptc(void);
169 void __inhibit_ptc(void);
171 #define DEFAULT_STACK_SIZE 81920
172 #define DEFAULT_GUARD_SIZE 4096
174 #define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)