#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 <locale.h>
+#include <sys/mman.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;
- void *dtv, *unused1, *unused2;
+ uintptr_t *dtv;
+ struct pthread *prev, *next; /* non-ABI */
uintptr_t sysinfo;
- uintptr_t canary;
- pid_t tid, pid;
- int tsd_used, errno_val, *errno_ptr;
- volatile int cancel, canceldisable, cancelasync;
+ uintptr_t canary, canary2;
+
+ /* Part 2 -- implementation details, non-ABI. */
+ int tid;
+ int errno_val;
+ volatile int detach_state;
+ volatile int cancel;
+ volatile unsigned char canceldisable, cancelasync;
+ unsigned char tsd_used:1;
+ unsigned char dlerror_flag:1;
unsigned char *map_base;
size_t map_size;
- void *start_arg;
- void *(*start)(void *);
+ void *stack;
+ size_t stack_size;
+ size_t guard_size;
void *result;
- int detached;
- int exitlock;
struct __ptcb *cancelbuf;
void **tsd;
- pthread_attr_t attr;
- volatile int dead;
struct {
- void **head;
+ volatile void *volatile head;
long off;
- void *pending;
+ volatile void *volatile pending;
} robust_list;
- int unblock_cancel;
- int delete_timer;
+ volatile int timer_id;
locale_t locale;
- int killlock;
+ volatile int killlock[1];
+ char *dlerror_buf;
+ void *stdio_locks;
+
+ /* Part 3 -- the positions of these fields relative to
+ * the end of the structure is external and internal ABI. */
+ uintptr_t canary_at_end;
+ uintptr_t *dtv_copy;
+};
+
+enum {
+ DT_EXITING = 0,
+ DT_JOINABLE,
+ DT_DETACHED,
};
struct __timer {
#define _a_stacksize __u.__s[0]
#define _a_guardsize __u.__s[1]
-#define _a_detach __u.__i[2*__SU+0]
+#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.__i[1]
-#define _m_waiters __u.__i[2]
+#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_mutex __u.__p[0]
-#define _c_seq __u.__i[2]
-#define _c_waiters __u.__i[3]
+#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.__i[5]
-#define _c_lockwait __u.__i[6]
-#define _c_waiters2 __u.__i[7]
-#define _c_destroy __u.__i[8]
-#define _rw_lock __u.__i[0]
-#define _rw_waiters __u.__i[1]
-#define _b_lock __u.__i[0]
-#define _b_waiters __u.__i[1]
+#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.__i[3]
-#define _b_waiters2 __u.__i[4]
+#define _b_count __u.__vi[3]
+#define _b_waiters2 __u.__vi[4]
#define _b_inst __u.__p[3]
#include "pthread_arch.h"
+#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 SIGPT_SET ((sigset_t *)(unsigned long [1+(sizeof(long)==4)]){ \
+#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 *)(unsigned long [1+(sizeof(long)==4)]){ \
+#define SIGTIMER_SET \
+ ((sigset_t *)(const unsigned long [_NSIG/8/sizeof(long)]){ \
0x80000000 })
-pthread_t __pthread_self_init(void);
+void *__tls_get_addr(tls_mod_off_t *);
+hidden void *__tls_get_new(tls_mod_off_t *);
+hidden int __init_tp(void *);
+hidden void *__copy_tls(unsigned char *);
+hidden void __reset_tls();
+
+hidden void __dl_thread_cleanup(void);
+hidden void __testcancel();
+hidden void __do_cleanup_push(struct __ptcb *);
+hidden void __do_cleanup_pop(struct __ptcb *);
+hidden void __pthread_tsd_run_dtors();
+
+hidden void __pthread_key_delete_synccall(void (*)(void *), void *);
+hidden int __pthread_key_delete_impl(pthread_key_t);
+
+extern hidden volatile int __block_new_threads;
+extern hidden volatile size_t __pthread_tsd_size;
+extern hidden void *__pthread_tsd_main[];
+extern hidden volatile int __aio_fut;
+extern hidden volatile int __eintr_valid_flag;
+
+hidden int __clone(int (*)(void *), void *, int, void *, ...);
+hidden int __set_thread_area(void *);
+hidden int __libc_sigaction(int, const struct sigaction *, struct sigaction *);
+hidden void __unmapself(void *, size_t);
+
+hidden int __timedwait(volatile int *, int, clockid_t, const struct timespec *, int);
+hidden int __timedwait_cp(volatile int *, int, clockid_t, const struct timespec *, int);
+hidden void __wait(volatile int *, 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, 0) != -ENOSYS ||
+ __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
+}
+
+hidden void __acquire_ptc(void);
+hidden void __release_ptc(void);
+hidden void __inhibit_ptc(void);
+
+hidden void __tl_lock(void);
+hidden void __tl_unlock(void);
+hidden void __tl_sync(pthread_t);
+
+extern hidden volatile int __thread_list_lock;
-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);
+extern hidden unsigned __default_stacksize;
+extern hidden unsigned __default_guardsize;
-int __timedwait(volatile int *, int, clockid_t, const struct timespec *, void (*)(void *), void *, int);
-void __wait(volatile int *, volatile int *, int, int);
-void __wake(volatile int *, int, int);
+#define DEFAULT_STACK_SIZE 131072
+#define DEFAULT_GUARD_SIZE 8192
-void __synccall_lock();
-void __synccall_unlock();
+#define DEFAULT_STACK_MAX (8<<20)
+#define DEFAULT_GUARD_MAX (1<<20)
-#define DEFAULT_STACK_SIZE (16384-PAGE_SIZE)
-#define DEFAULT_GUARD_SIZE PAGE_SIZE
+#define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)
#endif
projects / musl / blobdiff