blob: 4215e67ab6237835d512c14d6c639726adab3018 [file] [log] [blame]
Rich Felker0b44a032011-02-12 00:22:29 -05001#ifndef _PTHREAD_IMPL_H
2#define _PTHREAD_IMPL_H
3
4#include <pthread.h>
Rich Felker0b44a032011-02-12 00:22:29 -05005#include <signal.h>
Rich Felker0b44a032011-02-12 00:22:29 -05006#include <errno.h>
7#include <limits.h>
Rich Felker0b44a032011-02-12 00:22:29 -05008#include "libc.h"
9#include "syscall.h"
10#include "atomic.h"
11#include "futex.h"
12
13#define pthread __pthread
14
15struct pthread {
Rich Felker0b2006c2011-02-15 03:24:58 -050016 struct pthread *self;
Rich Felker9b153c02012-10-04 21:01:56 -040017 void **dtv, *unused1, *unused2;
Rich Felker58aa5f42012-05-03 20:42:45 -040018 uintptr_t sysinfo;
19 uintptr_t canary;
Rich Felker0b44a032011-02-12 00:22:29 -050020 pid_t tid, pid;
Rich Felker0b2006c2011-02-15 03:24:58 -050021 int tsd_used, errno_val, *errno_ptr;
Rich Felkerfeee9892011-04-17 11:43:03 -040022 volatile int cancel, canceldisable, cancelasync;
Rich Felkerbbbe87e2012-07-12 11:23:43 -040023 int detached;
Rich Felker0b44a032011-02-12 00:22:29 -050024 unsigned char *map_base;
25 size_t map_size;
26 void *start_arg;
27 void *(*start)(void *);
28 void *result;
Rich Felker0b44a032011-02-12 00:22:29 -050029 struct __ptcb *cancelbuf;
30 void **tsd;
Rich Felker0b44a032011-02-12 00:22:29 -050031 pthread_attr_t attr;
Rich Felker5fcebcd2011-03-10 18:31:37 -050032 volatile int dead;
Rich Felker047e4342011-03-17 20:41:37 -040033 struct {
34 void **head;
35 long off;
36 void *pending;
37 } robust_list;
Rich Felkerbf619d82011-03-29 12:58:22 -040038 int unblock_cancel;
Rich Felker82171d62011-04-09 02:23:33 -040039 int delete_timer;
Rich Felker11c531e2011-05-30 01:41:23 -040040 locale_t locale;
Rich Felkerbbbe87e2012-07-12 11:23:43 -040041 int killlock[2];
42 int exitlock[2];
Rich Felker1e21e782012-11-11 15:38:04 -050043 int startlock[2];
44 unsigned long sigmask[__SYSCALL_SSLEN/sizeof(long)];
Rich Felker0b44a032011-02-12 00:22:29 -050045};
46
Rich Felker70c31c72011-03-29 10:05:57 -040047struct __timer {
Rich Felkerbf619d82011-03-29 12:58:22 -040048 int timerid;
Rich Felkerbf619d82011-03-29 12:58:22 -040049 pthread_t thread;
Rich Felker70c31c72011-03-29 10:05:57 -040050};
51
Rich Felkere8827562011-02-17 17:16:20 -050052#define __SU (sizeof(size_t)/sizeof(int))
53
54#define _a_stacksize __u.__s[0]
55#define _a_guardsize __u.__s[1]
Rich Felker819006a2012-06-09 19:53:29 -040056#define _a_stackaddr __u.__s[2]
57#define _a_detach __u.__i[3*__SU+0]
Rich Felker1e21e782012-11-11 15:38:04 -050058#define _a_sched __u.__i[3*__SU+1]
59#define _a_policy __u.__i[3*__SU+2]
60#define _a_prio __u.__i[3*__SU+3]
Rich Felkere8827562011-02-17 17:16:20 -050061#define _m_type __u.__i[0]
62#define _m_lock __u.__i[1]
63#define _m_waiters __u.__i[2]
Rich Felker93cc9862011-03-17 13:17:15 -040064#define _m_prev __u.__p[3]
65#define _m_next __u.__p[4]
66#define _m_count __u.__i[5]
Rich Felkercba4e1c2011-09-25 02:38:03 -040067#define _c_mutex __u.__p[0]
Rich Felker729d6362011-09-26 00:25:13 -040068#define _c_seq __u.__i[2]
Rich Felkercba4e1c2011-09-25 02:38:03 -040069#define _c_waiters __u.__i[3]
70#define _c_clock __u.__i[4]
Rich Felker729d6362011-09-26 00:25:13 -040071#define _c_lock __u.__i[5]
72#define _c_lockwait __u.__i[6]
Rich Felker1fa05212011-09-26 12:54:28 -040073#define _c_waiters2 __u.__i[7]
Rich Felker5a2e1802011-10-02 22:58:28 -040074#define _c_destroy __u.__i[8]
Rich Felker50304f22011-08-03 10:21:32 -040075#define _rw_lock __u.__i[0]
76#define _rw_waiters __u.__i[1]
Rich Felker60164572011-09-27 13:50:29 -040077#define _b_lock __u.__i[0]
78#define _b_waiters __u.__i[1]
Rich Felkerf16a3082011-05-06 20:00:59 -040079#define _b_limit __u.__i[2]
Rich Felker60164572011-09-27 13:50:29 -040080#define _b_count __u.__i[3]
Rich Felker9cee9302011-09-28 18:57:18 -040081#define _b_waiters2 __u.__i[4]
Rich Felker9ae1cf62012-05-21 22:51:30 -040082#define _b_inst __u.__p[3]
Rich Felkere8827562011-02-17 17:16:20 -050083
Rich Felker7b2dd222011-02-15 03:56:52 -050084#include "pthread_arch.h"
Rich Felker0b44a032011-02-12 00:22:29 -050085
Rich Felker99b8a252011-05-07 23:23:58 -040086#define SIGTIMER 32
87#define SIGCANCEL 33
Rich Felkeracb04802011-07-29 22:59:44 -040088#define SIGSYNCCALL 34
Rich Felker99b8a252011-05-07 23:23:58 -040089
Rich Felker2f437042012-08-09 22:52:13 -040090#define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
91#define SIGPT_SET \
92 ((sigset_t *)(const unsigned long [__SYSCALL_SSLEN/sizeof(long)]){ \
Rich Felkerf09e78d2011-06-13 20:37:52 -040093 [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
Rich Felker2f437042012-08-09 22:52:13 -040094#define SIGTIMER_SET \
95 ((sigset_t *)(const unsigned long [__SYSCALL_SSLEN/sizeof(long)]){ \
Rich Felker4c4e22d2011-05-07 23:37:10 -040096 0x80000000 })
Rich Felker0b44a032011-02-12 00:22:29 -050097
Rich Felkerdba68bf2011-07-30 08:02:14 -040098pthread_t __pthread_self_init(void);
99
Rich Felker3f72cda2011-09-18 10:14:37 -0400100int __clone(int (*)(void *), void *, int, void *, ...);
Rich Felker7b2dd222011-02-15 03:56:52 -0500101int __set_thread_area(void *);
Rich Felker0b44a032011-02-12 00:22:29 -0500102int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
103int __libc_sigprocmask(int, const sigset_t *, sigset_t *);
104void __lock(volatile int *);
105void __unmapself(void *, size_t);
106
Rich Felkerec381af2011-08-02 21:11:36 -0400107int __timedwait(volatile int *, int, clockid_t, const struct timespec *, void (*)(void *), void *, int);
Rich Felker0b44a032011-02-12 00:22:29 -0500108void __wait(volatile int *, volatile int *, int, int);
109void __wake(volatile int *, int, int);
110
Rich Felkerdcd60372012-10-05 11:51:50 -0400111void __acquire_ptc();
112void __release_ptc();
113void __inhibit_ptc();
Rich Felkerb2486a82011-04-06 20:27:07 -0400114
Rich Felker13b36452012-06-02 20:15:37 -0400115#define DEFAULT_STACK_SIZE 81920
Rich Felker0b44a032011-02-12 00:22:29 -0500116#define DEFAULT_GUARD_SIZE PAGE_SIZE
117
118#endif