#define _PTHREAD_IMPL_H
#include <pthread.h>
-#include <sched.h>
#include <signal.h>
-#include <unistd.h>
-#include <sys/mman.h>
#include <errno.h>
#include <limits.h>
-#include <inttypes.h>
-#include <setjmp.h>
-#include <string.h>
-#include <time.h>
#include "libc.h"
#include "syscall.h"
#include "atomic.h"
#define pthread __pthread
struct pthread {
+ /* Part 1 -- these fields may be external or
+ * internal (accessed via asm) ABI. Do not change. */
struct pthread *self;
- unsigned long tlsdesc[4];
+ void **dtv, *unused1, *unused2;
+ uintptr_t sysinfo;
+ uintptr_t canary, canary2;
pid_t tid, pid;
- int tsd_used, errno_val, *errno_ptr;
- volatile int canceldisable, cancelasync, cancelpoint, cancel;
+
+ /* Part 2 -- implementation details, non-ABI. */
+ int tsd_used, errno_val;
+ volatile int cancel, canceldisable, cancelasync;
+ int detached;
unsigned char *map_base;
size_t map_size;
+ void *stack;
+ size_t stack_size;
void *start_arg;
void *(*start)(void *);
void *result;
- jmp_buf exit_jmp_buf;
- int detached;
- int exitlock;
struct __ptcb *cancelbuf;
void **tsd;
- pthread_attr_t attr;
+ volatile int dead;
+ struct {
+ volatile void *volatile head;
+ long off;
+ volatile void *volatile pending;
+ } robust_list;
+ int unblock_cancel;
+ volatile int timer_id;
+ locale_t locale;
+ volatile int killlock[1];
+ volatile int exitlock[1];
+ volatile int startlock[2];
+ unsigned long sigmask[_NSIG/8/sizeof(long)];
+ char *dlerror_buf;
+ int dlerror_flag;
+ void *stdio_locks;
+ size_t guard_size;
+
+ /* Part 3 -- the positions of these fields relative to
+ * the end of the structure is external and internal ABI. */
+ uintptr_t canary_at_end;
+ void **dtv_copy;
+};
+
+struct __timer {
+ int timerid;
+ pthread_t thread;
};
+#define __SU (sizeof(size_t)/sizeof(int))
+
+#define _a_stacksize __u.__s[0]
+#define _a_guardsize __u.__s[1]
+#define _a_stackaddr __u.__s[2]
+#define _a_detach __u.__i[3*__SU+0]
+#define _a_sched __u.__i[3*__SU+1]
+#define _a_policy __u.__i[3*__SU+2]
+#define _a_prio __u.__i[3*__SU+3]
+#define _m_type __u.__i[0]
+#define _m_lock __u.__vi[1]
+#define _m_waiters __u.__vi[2]
+#define _m_prev __u.__p[3]
+#define _m_next __u.__p[4]
+#define _m_count __u.__i[5]
+#define _c_shared __u.__p[0]
+#define _c_seq __u.__vi[2]
+#define _c_waiters __u.__vi[3]
+#define _c_clock __u.__i[4]
+#define _c_lock __u.__vi[8]
+#define _c_head __u.__p[1]
+#define _c_tail __u.__p[5]
+#define _rw_lock __u.__vi[0]
+#define _rw_waiters __u.__vi[1]
+#define _rw_shared __u.__i[2]
+#define _b_lock __u.__vi[0]
+#define _b_waiters __u.__vi[1]
+#define _b_limit __u.__i[2]
+#define _b_count __u.__vi[3]
+#define _b_waiters2 __u.__vi[4]
+#define _b_inst __u.__p[3]
+
#include "pthread_arch.h"
-#define SIGCANCEL 32
-#define SIGSYSCALL 33
-#define SIGTIMER 32 /* ?? */
+#ifndef CANARY
+#define CANARY canary
+#endif
+
+#ifndef DTP_OFFSET
+#define DTP_OFFSET 0
+#endif
+
+#ifndef tls_mod_off_t
+#define tls_mod_off_t size_t
+#endif
+
+#define SIGTIMER 32
+#define SIGCANCEL 33
+#define SIGSYNCCALL 34
+
+#define SIGALL_SET ((sigset_t *)(const unsigned long long [2]){ -1,-1 })
+#define SIGPT_SET \
+ ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
+ [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })
+#define SIGTIMER_SET \
+ ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
+ 0x80000000 })
+pthread_t __pthread_self_init(void);
+
+int __clone(int (*)(void *), void *, int, void *, ...);
int __set_thread_area(void *);
int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
int __libc_sigprocmask(int, const sigset_t *, sigset_t *);
void __lock(volatile int *);
void __unmapself(void *, size_t);
+void __vm_wait(void);
+void __vm_lock(void);
+void __vm_unlock(void);
+
int __timedwait(volatile int *, int, clockid_t, const struct timespec *, int);
+int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int);
void __wait(volatile int *, volatile int *, int, int);
-void __wake(volatile int *, int, int);
+static inline void __wake(volatile void *addr, int cnt, int priv)
+{
+ if (priv) priv = FUTEX_PRIVATE;
+ if (cnt<0) cnt = INT_MAX;
+ __syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS ||
+ __syscall(SYS_futex, addr, FUTEX_WAKE, cnt);
+}
+static inline void __futexwait(volatile void *addr, int val, int priv)
+{
+ if (priv) priv = FUTEX_PRIVATE;
+ __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val) != -ENOSYS ||
+ __syscall(SYS_futex, addr, FUTEX_WAIT, val);
+}
+
+void __acquire_ptc(void);
+void __release_ptc(void);
+void __inhibit_ptc(void);
+
+void __block_all_sigs(void *);
+void __block_app_sigs(void *);
+void __restore_sigs(void *);
+
+#define DEFAULT_STACK_SIZE 81920
+#define DEFAULT_GUARD_SIZE 4096
-#define DEFAULT_STACK_SIZE (16384-PAGE_SIZE)
-#define DEFAULT_GUARD_SIZE PAGE_SIZE
+#define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)
#endif
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