1 #ifndef _PTHREAD_IMPL_H
2 #define _PTHREAD_IMPL_H
13 #define pthread __pthread
16 /* Part 1 -- these fields may be external or
17 * internal (accessed via asm) ABI. Do not change. */
19 void **dtv, *unused1, *unused2;
21 uintptr_t canary, canary2;
24 /* Part 2 -- implementation details, non-ABI. */
25 int tsd_used, errno_val;
26 volatile int cancel, canceldisable, cancelasync;
28 unsigned char *map_base;
33 void *(*start)(void *);
35 struct __ptcb *cancelbuf;
39 volatile void *volatile head;
41 volatile void *volatile pending;
44 volatile int timer_id;
46 volatile int killlock[1];
47 volatile int exitlock[1];
48 volatile int startlock[2];
49 unsigned long sigmask[_NSIG/8/sizeof(long)];
55 /* Part 3 -- the positions of these fields relative to
56 * the end of the structure is external and internal ABI. */
57 uintptr_t canary_at_end;
66 #define __SU (sizeof(size_t)/sizeof(int))
68 #define _a_stacksize __u.__s[0]
69 #define _a_guardsize __u.__s[1]
70 #define _a_stackaddr __u.__s[2]
71 #define _a_detach __u.__i[3*__SU+0]
72 #define _a_sched __u.__i[3*__SU+1]
73 #define _a_policy __u.__i[3*__SU+2]
74 #define _a_prio __u.__i[3*__SU+3]
75 #define _m_type __u.__i[0]
76 #define _m_lock __u.__vi[1]
77 #define _m_waiters __u.__vi[2]
78 #define _m_prev __u.__p[3]
79 #define _m_next __u.__p[4]
80 #define _m_count __u.__i[5]
81 #define _c_shared __u.__p[0]
82 #define _c_seq __u.__vi[2]
83 #define _c_waiters __u.__vi[3]
84 #define _c_clock __u.__i[4]
85 #define _c_lock __u.__vi[8]
86 #define _c_head __u.__p[1]
87 #define _c_tail __u.__p[5]
88 #define _rw_lock __u.__vi[0]
89 #define _rw_waiters __u.__vi[1]
90 #define _rw_shared __u.__i[2]
91 #define _b_lock __u.__vi[0]
92 #define _b_waiters __u.__vi[1]
93 #define _b_limit __u.__i[2]
94 #define _b_count __u.__vi[3]
95 #define _b_waiters2 __u.__vi[4]
96 #define _b_inst __u.__p[3]
98 #include "pthread_arch.h"
101 #define CANARY canary
108 #ifndef tls_mod_off_t
109 #define tls_mod_off_t size_t
114 #define SIGSYNCCALL 34
116 #define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
118 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
119 [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
120 #define SIGTIMER_SET \
121 ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
124 pthread_t __pthread_self_init(void);
126 int __clone(int (*)(void *), void *, int, void *, ...);
127 int __set_thread_area(void *);
128 int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
129 int __libc_sigprocmask(int, const sigset_t *, sigset_t *);
130 void __lock(volatile int *);
131 void __unmapself(void *, size_t);
133 void __vm_wait(void);
134 void __vm_lock(void);
135 void __vm_unlock(void);
137 int __timedwait(volatile int *, int, clockid_t, const struct timespec *, int);
138 int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int);
139 void __wait(volatile int *, volatile int *, int, int);
140 static inline void __wake(volatile void *addr, int cnt, int priv)
142 if (priv) priv = FUTEX_PRIVATE;
143 if (cnt<0) cnt = INT_MAX;
144 __syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS ||
145 __syscall(SYS_futex, addr, FUTEX_WAKE, cnt);
147 static inline void __futexwait(volatile void *addr, int val, int priv)
149 if (priv) priv = FUTEX_PRIVATE;
150 __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val) != -ENOSYS ||
151 __syscall(SYS_futex, addr, FUTEX_WAIT, val);
154 void __acquire_ptc(void);
155 void __release_ptc(void);
156 void __inhibit_ptc(void);
158 void __block_all_sigs(void *);
159 void __block_app_sigs(void *);
160 void __restore_sigs(void *);
162 #define DEFAULT_STACK_SIZE 81920
163 #define DEFAULT_GUARD_SIZE 4096
165 #define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)