Revert "resolve merge"

This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.

1 files changed, 768 insertions, 550 deletions

diff --git a/libpthread/linuxthreads/pthread.c b/libpthread/linuxthreads/pthread.c
index 00197b158..5dccd939f 100644
--- a/libpthread/linuxthreads/pthread.c
+++ b/libpthread/linuxthreads/pthread.c
@@ -1,3 +1,4 @@
+
 /* Linuxthreads - a simple clone()-based implementation of Posix        */
 /* threads for Linux.                                                   */
 /* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr)              */
@@ -15,7 +16,6 @@
 /* Thread creation, initialization, and basic low-level routines */
 
 #include <errno.h>
-#include <netdb.h>	/* for h_errno */
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -24,176 +24,134 @@
 #include <fcntl.h>
 #include <sys/wait.h>
 #include <sys/resource.h>
+#include <sys/time.h>
 #include "pthread.h"
 #include "internals.h"
 #include "spinlock.h"
 #include "restart.h"
-#include "debug.h"      /* added to linuxthreads -StS */
-
-
-/* Mods for uClibc: Some includes */
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/syscall.h>
+#include "smp.h"
+#include <not-cancel.h>
 
-libpthread_hidden_proto(waitpid)
-libpthread_hidden_proto(raise)
+/* Sanity check.  */
+#if !defined __SIGRTMIN || (__SIGRTMAX - __SIGRTMIN) < 3
+# error "This must not happen"
+#endif
 
+#ifndef __UCLIBC_HAS_TLS__
 /* These variables are used by the setup code.  */
 extern int _errno;
 extern int _h_errno;
 
+# if defined __UCLIBC_HAS_RESOLVER_SUPPORT__
+/* We need the global/static resolver state here.  */
+# include <resolv.h>
+# undef _res
+extern struct __res_state *__resp;
+# endif
+#endif
+
+#ifdef __UCLIBC_HAS_TLS__
+
+/* We need only a few variables.  */
+#define manager_thread __pthread_manager_threadp
+pthread_descr __pthread_manager_threadp attribute_hidden;
+
+#else
 
 /* Descriptor of the initial thread */
 
 struct _pthread_descr_struct __pthread_initial_thread = {
-  &__pthread_initial_thread,  /* pthread_descr p_nextlive */
-  &__pthread_initial_thread,  /* pthread_descr p_prevlive */
-  NULL,                       /* pthread_descr p_nextwaiting */
-  NULL,			      /* pthread_descr p_nextlock */
-  PTHREAD_THREADS_MAX,        /* pthread_t p_tid */
-  0,                          /* int p_pid */
-  0,                          /* int p_priority */
-  &__pthread_handles[0].h_lock, /* struct _pthread_fastlock * p_lock */
-  0,                          /* int p_signal */
-  NULL,                       /* sigjmp_buf * p_signal_buf */
-  NULL,                       /* sigjmp_buf * p_cancel_buf */
-  0,                          /* char p_terminated */
-  0,                          /* char p_detached */
-  0,                          /* char p_exited */
-  NULL,                       /* void * p_retval */
-  0,                          /* int p_retval */
-  NULL,                       /* pthread_descr p_joining */
-  NULL,                       /* struct _pthread_cleanup_buffer * p_cleanup */
-  0,                          /* char p_cancelstate */
-  0,                          /* char p_canceltype */
-  0,                          /* char p_canceled */
-  &_errno,                       /* int *p_errnop */
-  0,                          /* int p_errno */
-  &_h_errno,                       /* int *p_h_errnop */
-  0,                          /* int p_h_errno */
-  NULL,                       /* char * p_in_sighandler */
-  0,                          /* char p_sigwaiting */
-  PTHREAD_START_ARGS_INITIALIZER, /* struct pthread_start_args p_start_args */
-  {NULL},                     /* void ** p_specific[PTHREAD_KEY_1STLEVEL_SIZE] */
-  {NULL},                     /* void * p_libc_specific[_LIBC_TSD_KEY_N] */
-  0,                          /* int p_userstack */
-  NULL,                       /* void * p_guardaddr */
-  0,                          /* size_t p_guardsize */
-  &__pthread_initial_thread,  /* pthread_descr p_self */
-  0,                          /* Always index 0 */
-  0,                          /* int p_report_events */
-  {{{0, }}, 0, NULL},         /* td_eventbuf_t p_eventbuf */
-  __ATOMIC_INITIALIZER,         /* struct pthread_atomic p_resume_count */
-  0,                          /* char p_woken_by_cancel */
-  0,                          /* char p_condvar_avail */
-  0,                          /* char p_sem_avail */
-  NULL,                       /* struct pthread_extricate_if *p_extricate */
-  NULL,	                      /* pthread_readlock_info *p_readlock_list; */
-  NULL,                       /* pthread_readlock_info *p_readlock_free; */
-  0                           /* int p_untracked_readlock_count; */
-#ifdef __UCLIBC_HAS_XLOCALE__
-  ,
-  &__global_locale_data,      /* __locale_t locale; */
-#endif /* __UCLIBC_HAS_XLOCALE__ */
+  .p_header.data.self = &__pthread_initial_thread,
+  .p_nextlive = &__pthread_initial_thread,
+  .p_prevlive = &__pthread_initial_thread,
+  .p_tid = PTHREAD_THREADS_MAX,
+  .p_lock = &__pthread_handles[0].h_lock,
+  .p_start_args = PTHREAD_START_ARGS_INITIALIZER(NULL),
+#ifndef __UCLIBC_HAS_TLS__
+  .p_errnop = &_errno,
+  .p_h_errnop = &_h_errno,
+#endif
+  .p_userstack = 1,
+  .p_resume_count = __ATOMIC_INITIALIZER,
+  .p_alloca_cutoff = __MAX_ALLOCA_CUTOFF
 };
 
 /* Descriptor of the manager thread; none of this is used but the error
    variables, the p_pid and p_priority fields,
    and the address for identification.  */
+
 #define manager_thread (&__pthread_manager_thread)
 struct _pthread_descr_struct __pthread_manager_thread = {
-  NULL,                       /* pthread_descr p_nextlive */
-  NULL,                       /* pthread_descr p_prevlive */
-  NULL,                       /* pthread_descr p_nextwaiting */
-  NULL,			      /* pthread_descr p_nextlock */
-  0,                          /* int p_tid */
-  0,                          /* int p_pid */
-  0,                          /* int p_priority */
-  &__pthread_handles[1].h_lock, /* struct _pthread_fastlock * p_lock */
-  0,                          /* int p_signal */
-  NULL,                       /* sigjmp_buf * p_signal_buf */
-  NULL,                       /* sigjmp_buf * p_cancel_buf */
-  0,                          /* char p_terminated */
-  0,                          /* char p_detached */
-  0,                          /* char p_exited */
-  NULL,                       /* void * p_retval */
-  0,                          /* int p_retval */
-  NULL,                       /* pthread_descr p_joining */
-  NULL,                       /* struct _pthread_cleanup_buffer * p_cleanup */
-  0,                          /* char p_cancelstate */
-  0,                          /* char p_canceltype */
-  0,                          /* char p_canceled */
-  &__pthread_manager_thread.p_errno, /* int *p_errnop */
-  0,                          /* int p_errno */
-  NULL,                       /* int *p_h_errnop */
-  0,                          /* int p_h_errno */
-  NULL,                       /* char * p_in_sighandler */
-  0,                          /* char p_sigwaiting */
-  PTHREAD_START_ARGS_INITIALIZER, /* struct pthread_start_args p_start_args */
-  {NULL},                     /* void ** p_specific[PTHREAD_KEY_1STLEVEL_SIZE] */
-  {NULL},                     /* void * p_libc_specific[_LIBC_TSD_KEY_N] */
-  0,                          /* int p_userstack */
-  NULL,                       /* void * p_guardaddr */
-  0,                          /* size_t p_guardsize */
-  &__pthread_manager_thread,  /* pthread_descr p_self */
-  1,                          /* Always index 1 */
-  0,                          /* int p_report_events */
-  {{{0, }}, 0, NULL},         /* td_eventbuf_t p_eventbuf */
-  __ATOMIC_INITIALIZER,         /* struct pthread_atomic p_resume_count */
-  0,                          /* char p_woken_by_cancel */
-  0,                          /* char p_condvar_avail */
-  0,                          /* char p_sem_avail */
-  NULL,                       /* struct pthread_extricate_if *p_extricate */
-  NULL,	                      /* pthread_readlock_info *p_readlock_list; */
-  NULL,                       /* pthread_readlock_info *p_readlock_free; */
-  0                           /* int p_untracked_readlock_count; */
-#ifdef __UCLIBC_HAS_XLOCALE__
-  ,
-  &__global_locale_data,      /* __locale_t locale; */
-#endif /* __UCLIBC_HAS_XLOCALE__ */
+  .p_header.data.self = &__pthread_manager_thread,
+  .p_header.data.multiple_threads = 1,
+  .p_lock = &__pthread_handles[1].h_lock,
+  .p_start_args = PTHREAD_START_ARGS_INITIALIZER(__pthread_manager),
+#ifndef __UCLIBC_HAS_TLS__
+  .p_errnop = &__pthread_manager_thread.p_errno,
+#endif
+  .p_nr = 1,
+  .p_resume_count = __ATOMIC_INITIALIZER,
+  .p_alloca_cutoff = PTHREAD_STACK_MIN / 4
 };
+#endif
 
 /* Pointer to the main thread (the father of the thread manager thread) */
 /* Originally, this is the initial thread, but this changes after fork() */
 
+#ifdef __UCLIBC_HAS_TLS__
+pthread_descr __pthread_main_thread;
+#else
 pthread_descr __pthread_main_thread = &__pthread_initial_thread;
+#endif
 
 /* Limit between the stack of the initial thread (above) and the
    stacks of other threads (below). Aligned on a STACK_SIZE boundary. */
 
-char *__pthread_initial_thread_bos = NULL;
-
-#ifndef __ARCH_USE_MMU__
-/* See nommu notes in internals.h and pthread_initialize() below. */
-char *__pthread_initial_thread_tos = NULL;
-char *__pthread_initial_thread_mid = NULL;
-#endif /* __ARCH_USE_MMU__ */
+char *__pthread_initial_thread_bos;
 
 /* File descriptor for sending requests to the thread manager. */
 /* Initially -1, meaning that the thread manager is not running. */
 
 int __pthread_manager_request = -1;
 
+int __pthread_multiple_threads attribute_hidden;
+
 /* Other end of the pipe for sending requests to the thread manager. */
 
 int __pthread_manager_reader;
 
 /* Limits of the thread manager stack */
 
-char *__pthread_manager_thread_bos = NULL;
-char *__pthread_manager_thread_tos = NULL;
+char *__pthread_manager_thread_bos;
+char *__pthread_manager_thread_tos;
 
 /* For process-wide exit() */
 
-int __pthread_exit_requested = 0;
-int __pthread_exit_code = 0;
+int __pthread_exit_requested;
+int __pthread_exit_code;
+
+/* Maximum stack size.  */
+size_t __pthread_max_stacksize;
+
+/* Nozero if the machine has more than one processor.  */
+int __pthread_smp_kernel;
+
+
+#if !__ASSUME_REALTIME_SIGNALS
+/* Pointers that select new or old suspend/resume functions
+   based on availability of rt signals. */
+
+void (*__pthread_restart)(pthread_descr) = __pthread_restart_old;
+void (*__pthread_suspend)(pthread_descr) = __pthread_suspend_old;
+int (*__pthread_timedsuspend)(pthread_descr, const struct timespec *) = __pthread_timedsuspend_old;
+#endif	/* __ASSUME_REALTIME_SIGNALS */
 
 /* Communicate relevant LinuxThreads constants to gdb */
 
 const int __pthread_threads_max = PTHREAD_THREADS_MAX;
 const int __pthread_sizeof_handle = sizeof(struct pthread_handle_struct);
-const int __pthread_offsetof_descr = offsetof(struct pthread_handle_struct, h_descr);
+const int __pthread_offsetof_descr = offsetof(struct pthread_handle_struct,
+                                              h_descr);
 const int __pthread_offsetof_pid = offsetof(struct _pthread_descr_struct,
                                             p_pid);
 const int __linuxthreads_pthread_sizeof_descr
@@ -204,72 +162,53 @@ const int __linuxthreads_initial_report_events;
 const char __linuxthreads_version[] = VERSION;
 
 /* Forward declarations */
+
 static void pthread_onexit_process(int retcode, void *arg);
+#ifndef HAVE_Z_NODELETE
+static void pthread_atexit_process(void *arg, int retcode);
+static void pthread_atexit_retcode(void *arg, int retcode);
+#endif
 static void pthread_handle_sigcancel(int sig);
 static void pthread_handle_sigrestart(int sig);
 static void pthread_handle_sigdebug(int sig);
-int __pthread_timedsuspend_new(pthread_descr self, const struct timespec *abstime);
 
 /* Signal numbers used for the communication.
    In these variables we keep track of the used variables.  If the
    platform does not support any real-time signals we will define the
    values to some unreasonable value which will signal failing of all
    the functions below.  */
-#ifndef __NR_rt_sigaction
-static int current_rtmin = -1;
-static int current_rtmax = -1;
-int __pthread_sig_restart = SIGUSR1;
-int __pthread_sig_cancel = SIGUSR2;
-int __pthread_sig_debug;
-#else
-
-#if __SIGRTMAX - __SIGRTMIN >= 3
-static int current_rtmin = __SIGRTMIN + 3;
-static int current_rtmax = __SIGRTMAX;
 int __pthread_sig_restart = __SIGRTMIN;
 int __pthread_sig_cancel = __SIGRTMIN + 1;
 int __pthread_sig_debug = __SIGRTMIN + 2;
-void (*__pthread_restart)(pthread_descr) = __pthread_restart_new;
-void (*__pthread_suspend)(pthread_descr) = __pthread_wait_for_restart_signal;
-int (*__pthread_timedsuspend)(pthread_descr, const struct timespec *) = __pthread_timedsuspend_new;
-#else
-static int current_rtmin = __SIGRTMIN;
-static int current_rtmax = __SIGRTMAX;
-int __pthread_sig_restart = SIGUSR1;
-int __pthread_sig_cancel = SIGUSR2;
-int __pthread_sig_debug;
-void (*__pthread_restart)(pthread_descr) = __pthread_restart_old;
-void (*__pthread_suspend)(pthread_descr) = __pthread_suspend_old;
-int (*__pthread_timedsuspend)(pthread_descr, const struct timespec *) = __pthread_timedsuspend_old;
 
-#endif
+extern int __libc_current_sigrtmin_private (void);
 
-/* Return number of available real-time signal with highest priority.  */
-int __libc_current_sigrtmin (void)
-{
-    return current_rtmin;
-}
+#if !__ASSUME_REALTIME_SIGNALS
+static int rtsigs_initialized;
 
-/* Return number of available real-time signal with lowest priority.  */
-int __libc_current_sigrtmax (void)
+static void
+init_rtsigs (void)
 {
-    return current_rtmax;
-}
+  if (rtsigs_initialized)
+    return;
 
-#if 0
-/* Allocate real-time signal with highest/lowest available
-   priority.  Please note that we don't use a lock since we assume
-   this function to be called at program start.  */
-int __libc_allocate_rtsig (int high);
-int __libc_allocate_rtsig (int high)
-{
-    if (current_rtmin == -1 || current_rtmin > current_rtmax)
-	/* We don't have anymore signal available.  */
-	return -1;
-    return high ? current_rtmin++ : current_rtmax--;
+  if (__libc_current_sigrtmin_private () == -1)
+    {
+      __pthread_sig_restart = SIGUSR1;
+      __pthread_sig_cancel = SIGUSR2;
+      __pthread_sig_debug = 0;
+    }
+  else
+    {
+      __pthread_restart = __pthread_restart_new;
+      __pthread_suspend = __pthread_wait_for_restart_signal;
+      __pthread_timedsuspend = __pthread_timedsuspend_new;
+    }
+
+  rtsigs_initialized = 1;
 }
 #endif
-#endif
+
 
 /* Initialize the pthread library.
    Initialization is split in two functions:
@@ -280,40 +219,14 @@ int __libc_allocate_rtsig (int high)
 
 static void pthread_initialize(void) __attribute__((constructor));
 
-libpthread_hidden_proto(pthread_attr_destroy)
-libpthread_hidden_proto(pthread_attr_init)
-libpthread_hidden_proto(pthread_attr_getdetachstate)
-libpthread_hidden_proto(pthread_attr_setdetachstate)
-libpthread_hidden_proto(pthread_attr_getinheritsched)
-libpthread_hidden_proto(pthread_attr_setinheritsched)
-libpthread_hidden_proto(pthread_attr_setschedparam)
-libpthread_hidden_proto(pthread_attr_getschedparam)
-libpthread_hidden_proto(pthread_attr_getschedpolicy)
-libpthread_hidden_proto(pthread_attr_setschedpolicy)
-libpthread_hidden_proto(pthread_attr_getscope)
-libpthread_hidden_proto(pthread_attr_setscope)
-
-libpthread_hidden_proto(pthread_exit)
-
-libpthread_hidden_proto(pthread_equal)
-libpthread_hidden_proto(pthread_self)
-libpthread_hidden_proto(pthread_getschedparam)
-libpthread_hidden_proto(pthread_setschedparam)
-
-libpthread_hidden_proto(pthread_setcancelstate)
-libpthread_hidden_proto(pthread_setcanceltype)
-libpthread_hidden_proto(_pthread_cleanup_push_defer)
-libpthread_hidden_proto(_pthread_cleanup_pop_restore)
-
-libpthread_hidden_proto(pthread_cond_broadcast)
-libpthread_hidden_proto(pthread_cond_destroy)
-libpthread_hidden_proto(pthread_cond_init)
-libpthread_hidden_proto(pthread_cond_signal)
-libpthread_hidden_proto(pthread_cond_wait)
-libpthread_hidden_proto(pthread_cond_timedwait)
-
-libpthread_hidden_proto(pthread_condattr_destroy)
-libpthread_hidden_proto(pthread_condattr_init)
+#ifndef HAVE_Z_NODELETE
+extern void *__dso_handle __attribute__ ((weak));
+#endif
+
+
+#if defined __UCLIBC_HAS_TLS__ && !defined SHARED
+extern void __libc_setup_tls (size_t tcbsize, size_t tcbalign);
+#endif
 
 struct pthread_functions __pthread_functions =
   {
@@ -322,53 +235,49 @@ struct pthread_functions __pthread_functions =
     .ptr_pthread_internal_tsd_get = __pthread_internal_tsd_get,
     .ptr_pthread_internal_tsd_address = __pthread_internal_tsd_address,
 #endif
-/*
     .ptr_pthread_fork = __pthread_fork,
-*/
-    .ptr_pthread_attr_destroy = pthread_attr_destroy,
-    .ptr_pthread_attr_init = pthread_attr_init,
-    .ptr_pthread_attr_getdetachstate = pthread_attr_getdetachstate,
-    .ptr_pthread_attr_setdetachstate = pthread_attr_setdetachstate,
-    .ptr_pthread_attr_getinheritsched = pthread_attr_getinheritsched,
-    .ptr_pthread_attr_setinheritsched = pthread_attr_setinheritsched,
-    .ptr_pthread_attr_getschedparam = pthread_attr_getschedparam,
-    .ptr_pthread_attr_setschedparam = pthread_attr_setschedparam,
-    .ptr_pthread_attr_getschedpolicy = pthread_attr_getschedpolicy,
-    .ptr_pthread_attr_setschedpolicy = pthread_attr_setschedpolicy,
-    .ptr_pthread_attr_getscope = pthread_attr_getscope,
-    .ptr_pthread_attr_setscope = pthread_attr_setscope,
-    .ptr_pthread_condattr_destroy = pthread_condattr_destroy,
-    .ptr_pthread_condattr_init = pthread_condattr_init,
-    .ptr_pthread_cond_broadcast = pthread_cond_broadcast,
-    .ptr_pthread_cond_destroy = pthread_cond_destroy,
-    .ptr_pthread_cond_init = pthread_cond_init,
-    .ptr_pthread_cond_signal = pthread_cond_signal,
-    .ptr_pthread_cond_wait = pthread_cond_wait,
-    .ptr_pthread_cond_timedwait = pthread_cond_timedwait,
-    .ptr_pthread_equal = pthread_equal,
-    .ptr___pthread_exit = pthread_exit,
-    .ptr_pthread_getschedparam = pthread_getschedparam,
-    .ptr_pthread_setschedparam = pthread_setschedparam,
+    .ptr_pthread_attr_destroy = __pthread_attr_destroy,
+    .ptr_pthread_attr_init = __pthread_attr_init,
+    .ptr_pthread_attr_getdetachstate = __pthread_attr_getdetachstate,
+    .ptr_pthread_attr_setdetachstate = __pthread_attr_setdetachstate,
+    .ptr_pthread_attr_getinheritsched = __pthread_attr_getinheritsched,
+    .ptr_pthread_attr_setinheritsched = __pthread_attr_setinheritsched,
+    .ptr_pthread_attr_getschedparam = __pthread_attr_getschedparam,
+    .ptr_pthread_attr_setschedparam = __pthread_attr_setschedparam,
+    .ptr_pthread_attr_getschedpolicy = __pthread_attr_getschedpolicy,
+    .ptr_pthread_attr_setschedpolicy = __pthread_attr_setschedpolicy,
+    .ptr_pthread_attr_getscope = __pthread_attr_getscope,
+    .ptr_pthread_attr_setscope = __pthread_attr_setscope,
+    .ptr_pthread_condattr_destroy = __pthread_condattr_destroy,
+    .ptr_pthread_condattr_init = __pthread_condattr_init,
+    .ptr_pthread_cond_broadcast = __pthread_cond_broadcast,
+    .ptr_pthread_cond_destroy = __pthread_cond_destroy,
+    .ptr_pthread_cond_init = __pthread_cond_init,
+    .ptr_pthread_cond_signal = __pthread_cond_signal,
+    .ptr_pthread_cond_wait = __pthread_cond_wait,
+    .ptr_pthread_cond_timedwait = __pthread_cond_timedwait,
+    .ptr_pthread_equal = __pthread_equal,
+    .ptr___pthread_exit = __pthread_exit,
+    .ptr_pthread_getschedparam = __pthread_getschedparam,
+    .ptr_pthread_setschedparam = __pthread_setschedparam,
     .ptr_pthread_mutex_destroy = __pthread_mutex_destroy,
     .ptr_pthread_mutex_init = __pthread_mutex_init,
     .ptr_pthread_mutex_lock = __pthread_mutex_lock,
     .ptr_pthread_mutex_trylock = __pthread_mutex_trylock,
     .ptr_pthread_mutex_unlock = __pthread_mutex_unlock,
-    .ptr_pthread_self = pthread_self,
-    .ptr_pthread_setcancelstate = pthread_setcancelstate,
-    .ptr_pthread_setcanceltype = pthread_setcanceltype,
-/*
-    .ptr_pthread_do_exit = pthread_do_exit,
-    .ptr_pthread_thread_self = pthread_thread_self,
-    .ptr_pthread_cleanup_upto = pthread_cleanup_upto,
-    .ptr_pthread_sigaction = pthread_sigaction,
-    .ptr_pthread_sigwait = pthread_sigwait,
-    .ptr_pthread_raise = pthread_raise,
+    .ptr_pthread_self = __pthread_self,
+    .ptr_pthread_setcancelstate = __pthread_setcancelstate,
+    .ptr_pthread_setcanceltype = __pthread_setcanceltype,
+    .ptr_pthread_do_exit = __pthread_do_exit,
+    .ptr_pthread_thread_self = __pthread_thread_self,
+    .ptr_pthread_cleanup_upto = __pthread_cleanup_upto,
+    .ptr_pthread_sigaction = __pthread_sigaction,
+    .ptr_pthread_sigwait = __pthread_sigwait,
+    .ptr_pthread_raise = __pthread_raise,
     .ptr__pthread_cleanup_push = _pthread_cleanup_push,
+    .ptr__pthread_cleanup_push_defer = _pthread_cleanup_push_defer,
     .ptr__pthread_cleanup_pop = _pthread_cleanup_pop,
-*/
-    .ptr__pthread_cleanup_push_defer = __pthread_cleanup_push_defer,
-    .ptr__pthread_cleanup_pop_restore = __pthread_cleanup_pop_restore
+    .ptr__pthread_cleanup_pop_restore = _pthread_cleanup_pop_restore,
   };
 #ifdef SHARED
 # define ptr_pthread_functions &__pthread_functions
@@ -378,28 +287,224 @@ struct pthread_functions __pthread_functions =
 
 static int *__libc_multiple_threads_ptr;
 
- /* Do some minimal initialization which has to be done during the
-    startup of the C library.  */
-void __pthread_initialize_minimal(void)
+/* Do some minimal initialization which has to be done during the
+   startup of the C library.  */
+void
+__pthread_initialize_minimal(void)
 {
-    /* If we have special thread_self processing, initialize
-     * that for the main thread now.  */
-#ifdef INIT_THREAD_SELF
-    INIT_THREAD_SELF(&__pthread_initial_thread, 0);
+#ifdef __UCLIBC_HAS_TLS__
+  pthread_descr self;
+
+  /* First of all init __pthread_handles[0] and [1] if needed.  */
+# if __LT_SPINLOCK_INIT != 0
+  __pthread_handles[0].h_lock = __LOCK_INITIALIZER;
+  __pthread_handles[1].h_lock = __LOCK_INITIALIZER;
+# endif
+# ifndef SHARED
+  /* Unlike in the dynamically linked case the dynamic linker has not
+     taken care of initializing the TLS data structures.  */
+  __libc_setup_tls (TLS_TCB_SIZE, TLS_TCB_ALIGN);
+# elif !defined __UCLIBC_HAS_TLS__
+  if (__builtin_expect (GL(dl_tls_dtv_slotinfo_list) == NULL, 0))
+    {
+      tcbhead_t *tcbp;
+
+      /* There is no actual TLS being used, so the thread register
+	 was not initialized in the dynamic linker.  */
+
+      /* We need to install special hooks so that the malloc and memalign
+	 calls in _dl_tls_setup and _dl_allocate_tls won't cause full
+	 malloc initialization that will try to set up its thread state.  */
+
+      extern void __libc_malloc_pthread_startup (bool first_time);
+      __libc_malloc_pthread_startup (true);
+
+      if (__builtin_expect (_dl_tls_setup (), 0)
+	  || __builtin_expect ((tcbp = _dl_allocate_tls (NULL)) == NULL, 0))
+	{
+	  static const char msg[] = "\
+cannot allocate TLS data structures for initial thread\n";
+	  TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO,
+						msg, sizeof msg - 1));
+	  abort ();
+	}
+      const char *lossage = TLS_INIT_TP (tcbp, 0);
+      if (__builtin_expect (lossage != NULL, 0))
+	{
+	  static const char msg[] = "cannot set up thread-local storage: ";
+	  const char nl = '\n';
+	  TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO,
+						msg, sizeof msg - 1));
+	  TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO,
+						lossage, strlen (lossage)));
+	  TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO, &nl, 1));
+	}
+
+      /* Though it was allocated with libc's malloc, that was done without
+	 the user's __malloc_hook installed.  A later realloc that uses
+	 the hooks might not work with that block from the plain malloc.
+	 So we record this block as unfreeable just as the dynamic linker
+	 does when it allocates the DTV before the libc malloc exists.  */
+      GL(dl_initial_dtv) = GET_DTV (tcbp);
+
+      __libc_malloc_pthread_startup (false);
+    }
+# endif
+
+  self = THREAD_SELF;
+
+  /* The memory for the thread descriptor was allocated elsewhere as
+     part of the TLS allocation.  We have to initialize the data
+     structure by hand.  This initialization must mirror the struct
+     definition above.  */
+  self->p_nextlive = self->p_prevlive = self;
+  self->p_tid = PTHREAD_THREADS_MAX;
+  self->p_lock = &__pthread_handles[0].h_lock;
+# ifndef __UCLIBC_HAS_TLS__
+  self->p_errnop = &_errno;
+  self->p_h_errnop = &_h_errno;
+# endif
+  /* self->p_start_args need not be initialized, it's all zero.  */
+  self->p_userstack = 1;
+# if __LT_SPINLOCK_INIT != 0
+  self->p_resume_count = (struct pthread_atomic) __ATOMIC_INITIALIZER;
+# endif
+  self->p_alloca_cutoff = __MAX_ALLOCA_CUTOFF;
+
+  /* Another variable which points to the thread descriptor.  */
+  __pthread_main_thread = self;
+
+  /* And fill in the pointer the the thread __pthread_handles array.  */
+  __pthread_handles[0].h_descr = self;
+
+#else  /* __UCLIBC_HAS_TLS__ */
+
+  /* First of all init __pthread_handles[0] and [1].  */
+# if __LT_SPINLOCK_INIT != 0
+  __pthread_handles[0].h_lock = __LOCK_INITIALIZER;
+  __pthread_handles[1].h_lock = __LOCK_INITIALIZER;
+# endif
+  __pthread_handles[0].h_descr = &__pthread_initial_thread;
+  __pthread_handles[1].h_descr = &__pthread_manager_thread;
+
+  /* If we have special thread_self processing, initialize that for the
+     main thread now.  */
+# ifdef INIT_THREAD_SELF
+  INIT_THREAD_SELF(&__pthread_initial_thread, 0);
+# endif
+#endif
+
+#if HP_TIMING_AVAIL
+# ifdef __UCLIBC_HAS_TLS__
+  self->p_cpuclock_offset = GL(dl_cpuclock_offset);
+# else
+  __pthread_initial_thread.p_cpuclock_offset = GL(dl_cpuclock_offset);
+# endif
 #endif
 
-    __libc_multiple_threads_ptr = __libc_pthread_init (ptr_pthread_functions);
+  __libc_multiple_threads_ptr = __libc_pthread_init (ptr_pthread_functions);
 }
 
 
+void
+__pthread_init_max_stacksize(void)
+{
+  struct rlimit limit;
+  size_t max_stack;
+
+  getrlimit(RLIMIT_STACK, &limit);
+#ifdef FLOATING_STACKS
+  if (limit.rlim_cur == RLIM_INFINITY)
+    limit.rlim_cur = ARCH_STACK_MAX_SIZE;
+# ifdef NEED_SEPARATE_REGISTER_STACK
+  max_stack = limit.rlim_cur / 2;
+# else
+  max_stack = limit.rlim_cur;
+# endif
+#else
+  /* Play with the stack size limit to make sure that no stack ever grows
+     beyond STACK_SIZE minus one page (to act as a guard page). */
+# ifdef NEED_SEPARATE_REGISTER_STACK
+  /* STACK_SIZE bytes hold both the main stack and register backing
+     store. The rlimit value applies to each individually.  */
+  max_stack = STACK_SIZE/2 - __getpagesize ();
+# else
+  max_stack = STACK_SIZE - __getpagesize();
+# endif
+  if (limit.rlim_cur > max_stack) {
+    limit.rlim_cur = max_stack;
+    setrlimit(RLIMIT_STACK, &limit);
+  }
+#endif
+  __pthread_max_stacksize = max_stack;
+  if (max_stack / 4 < __MAX_ALLOCA_CUTOFF)
+    {
+#ifdef __UCLIBC_HAS_TLS__
+      pthread_descr self = THREAD_SELF;
+      self->p_alloca_cutoff = max_stack / 4;
+#else
+      __pthread_initial_thread.p_alloca_cutoff = max_stack / 4;
+#endif
+    }
+}
+
+#if defined SHARED && defined __UCLIBC_HAS_TLS__
+# ifdef __UCLIBC_HAS_TLS__
+/* When using __thread for this, we do it in libc so as not
+   to give libpthread its own TLS segment just for this.  */
+extern void **__libc_dl_error_tsd (void) __attribute__ ((const));
+# else
+static void ** __attribute__ ((const))
+__libc_dl_error_tsd (void)
+{
+  return &thread_self ()->p_libc_specific[_LIBC_TSD_KEY_DL_ERROR];
+}
+# endif
+#endif
+
+#ifdef __UCLIBC_HAS_TLS__
+static __inline__ void __attribute__((always_inline))
+init_one_static_tls (pthread_descr descr, struct link_map *map)
+{
+# if defined(TLS_TCB_AT_TP)
+  dtv_t *dtv = GET_DTV (descr);
+  void *dest = (char *) descr - map->l_tls_offset;
+# elif defined(TLS_DTV_AT_TP)
+  dtv_t *dtv = GET_DTV ((pthread_descr) ((char *) descr + TLS_PRE_TCB_SIZE));
+  void *dest = (char *) descr + map->l_tls_offset + TLS_PRE_TCB_SIZE;
+# else
+#  error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+# endif
+
+  /* Fill in the DTV slot so that a later LD/GD access will find it.  */
+  dtv[map->l_tls_modid].pointer.val = dest;
+  dtv[map->l_tls_modid].pointer.is_static = true;
+
+  /* Initialize the memory.  */
+  memset (mempcpy (dest, map->l_tls_initimage, map->l_tls_initimage_size),
+	  '\0', map->l_tls_blocksize - map->l_tls_initimage_size);
+}
+
+static void
+__pthread_init_static_tls (struct link_map *map)
+{
+  size_t i;
+
+  for (i = 0; i < PTHREAD_THREADS_MAX; ++i)
+    if (__pthread_handles[i].h_descr != NULL && i != 1)
+      {
+        __pthread_lock (&__pthread_handles[i].h_lock, NULL);
+	if (__pthread_handles[i].h_descr != NULL)
+	  init_one_static_tls (__pthread_handles[i].h_descr, map);
+        __pthread_unlock (&__pthread_handles[i].h_lock);
+      }
+}
+#endif
+
 static void pthread_initialize(void)
 {
   struct sigaction sa;
   sigset_t mask;
-#ifdef __ARCH_USE_MMU__
-  struct rlimit limit;
-  rlim_t max_stack;
-#endif
 
   /* If already done (e.g. by a constructor called earlier!), bail out */
   if (__pthread_initial_thread_bos != NULL) return;
@@ -407,70 +512,44 @@ static void pthread_initialize(void)
   /* Test if compare-and-swap is available */
   __pthread_has_cas = compare_and_swap_is_available();
 #endif
+#ifdef FLOATING_STACKS
+  /* We don't need to know the bottom of the stack.  Give the pointer some
+     value to signal that initialization happened.  */
+  __pthread_initial_thread_bos = (void *) -1l;
+#else
+  /* Determine stack size limits .  */
+  __pthread_init_max_stacksize ();
+# ifdef _STACK_GROWS_UP
+  /* The initial thread already has all the stack it needs */
+  __pthread_initial_thread_bos = (char *)
+    ((long)CURRENT_STACK_FRAME &~ (STACK_SIZE - 1));
+# else
   /* For the initial stack, reserve at least STACK_SIZE bytes of stack
      below the current stack address, and align that on a
      STACK_SIZE boundary. */
   __pthread_initial_thread_bos =
     (char *)(((long)CURRENT_STACK_FRAME - 2 * STACK_SIZE) & ~(STACK_SIZE - 1));
-  /* Update the descriptor for the initial thread. */
-  __pthread_initial_thread.p_pid = getpid();
-  /* If we have special thread_self processing, initialize that for the
-     main thread now.  */
-#ifdef INIT_THREAD_SELF
-  INIT_THREAD_SELF(&__pthread_initial_thread, 0);
+# endif
 #endif
-  /* The errno/h_errno variable of the main thread are the global ones.  */
-  __pthread_initial_thread.p_errnop = &_errno;
-  __pthread_initial_thread.p_h_errnop = &_h_errno;
-
-#ifdef __UCLIBC_HAS_XLOCALE__
-  /* The locale of the main thread is the current locale in use. */
-  __pthread_initial_thread.locale = __curlocale_var;
-#endif /* __UCLIBC_HAS_XLOCALE__ */
-
- {			   /* uClibc-specific stdio initialization for threads. */
-	 FILE *fp;
-
-	 _stdio_user_locking = 0;	/* 2 if threading not initialized */
-	 for (fp = _stdio_openlist; fp != NULL; fp = fp->__nextopen) {
-		 if (fp->__user_locking != 1) {
-			 fp->__user_locking = 0;
-		 }
-	 }
- }
-
-  /* Play with the stack size limit to make sure that no stack ever grows
-     beyond STACK_SIZE minus two pages (one page for the thread descriptor
-     immediately beyond, and one page to act as a guard page). */
-
-#ifdef __ARCH_USE_MMU__
-  /* We cannot allocate a huge chunk of memory to mmap all thread stacks later
-   * on a non-MMU system. Thus, we don't need the rlimit either. -StS */
-  getrlimit(RLIMIT_STACK, &limit);
-  max_stack = STACK_SIZE - 2 * getpagesize();
-  if (limit.rlim_cur > max_stack) {
-    limit.rlim_cur = max_stack;
-    setrlimit(RLIMIT_STACK, &limit);
-  }
+#ifdef __UCLIBC_HAS_TLS__
+  /* Update the descriptor for the initial thread. */
+  THREAD_SETMEM (((pthread_descr) NULL), p_pid, __getpid());
+# if defined __UCLIBC_HAS_RESOLVER_SUPPORT__
+  /* Likewise for the resolver state _res.  */
+  THREAD_SETMEM (((pthread_descr) NULL), p_resp, __resp);
+# endif
 #else
-  /* For non-MMU, the initial thread stack can reside anywhere in memory.
-   * We don't have a way of knowing where the kernel started things -- top
-   * or bottom (well, that isn't exactly true, but the solution is fairly
-   * complex and error prone).  All we can determine here is an address
-   * that lies within that stack.  Save that address as a reference so that
-   * as other thread stacks are created, we can adjust the estimated bounds
-   * of the initial thread's stack appropriately.
-   *
-   * This checking is handled in NOMMU_INITIAL_THREAD_BOUNDS(), so see that
-   * for a few more details.
-   */
-  __pthread_initial_thread_mid = CURRENT_STACK_FRAME;
-  __pthread_initial_thread_tos = (char *) -1;
-  __pthread_initial_thread_bos = (char *) 1; /* set it non-zero so we know we have been here */
-  PDEBUG("initial thread stack bounds: bos=%p, tos=%p\n",
-	 __pthread_initial_thread_bos, __pthread_initial_thread_tos);
-#endif /* __ARCH_USE_MMU__ */
-
+  /* Update the descriptor for the initial thread. */
+  __pthread_initial_thread.p_pid = __getpid();
+# if defined __UCLIBC_HAS_RESOLVER_SUPPORT__
+  /* Likewise for the resolver state _res.  */
+  __pthread_initial_thread.p_resp = __resp;
+# endif
+#endif
+#if !__ASSUME_REALTIME_SIGNALS
+  /* Initialize real-time signals. */
+  init_rtsigs ();
+#endif
   /* Setup signal handlers for the initial thread.
      Since signal handlers are shared between threads, these settings
      will be inherited by all other threads. */
@@ -481,9 +560,9 @@ static void pthread_initialize(void)
   sigaddset(&sa.sa_mask, __pthread_sig_restart);
   __libc_sigaction(__pthread_sig_cancel, &sa, NULL);
   if (__pthread_sig_debug > 0) {
-      sa.sa_handler = pthread_handle_sigdebug;
-      __sigemptyset(&sa.sa_mask);
-      __libc_sigaction(__pthread_sig_debug, &sa, NULL);
+    sa.sa_handler = pthread_handle_sigdebug;
+    __sigemptyset(&sa.sa_mask);
+    __libc_sigaction(__pthread_sig_debug, &sa, NULL);
   }
   /* Initially, block __pthread_sig_restart. Will be unblocked on demand. */
   __sigemptyset(&mask);
@@ -495,11 +574,48 @@ static void pthread_initialize(void)
   sigprocmask(SIG_UNBLOCK, &mask, NULL);
   /* Register an exit function to kill all other threads. */
   /* Do it early so that user-registered atexit functions are called
-     before pthread_onexit_process. */
-  on_exit(pthread_onexit_process, NULL);
+     before pthread_*exit_process. */
+#ifndef HAVE_Z_NODELETE
+  if (__builtin_expect (&__dso_handle != NULL, 1))
+    __cxa_atexit ((void (*) (void *)) pthread_atexit_process, NULL,
+		  __dso_handle);
+  else
+#endif
+    __on_exit (pthread_onexit_process, NULL);
+  /* How many processors.  */
+  __pthread_smp_kernel = is_smp_system ();
+
+#if defined SHARED && defined __UCLIBC_HAS_TLS__
+  /* Transfer the old value from the dynamic linker's internal location.  */
+  *__libc_dl_error_tsd () = *(*GL(dl_error_catch_tsd)) ();
+  GL(dl_error_catch_tsd) = &__libc_dl_error_tsd;
+
+  /* Make __rtld_lock_{,un}lock_recursive use pthread_mutex_{,un}lock,
+     keep the lock count from the ld.so implementation.  */
+  GL(dl_rtld_lock_recursive) = (void *) __pthread_mutex_lock;
+  GL(dl_rtld_unlock_recursive) = (void *) __pthread_mutex_unlock;
+  unsigned int rtld_lock_count = GL(dl_load_lock).mutex.__m_count;
+  GL(dl_load_lock).mutex.__m_count = 0;
+  while (rtld_lock_count-- > 0)
+    __pthread_mutex_lock (&GL(dl_load_lock).mutex);
+#endif
+
+#ifdef __UCLIBC_HAS_TLS__
+  GL(dl_init_static_tls) = &__pthread_init_static_tls;
+#endif
+
+  /* uClibc-specific stdio initialization for threads. */
+  {
+    FILE *fp;
+    _stdio_user_locking = 0;       /* 2 if threading not initialized */
+    for (fp = _stdio_openlist; fp != NULL; fp = fp->__nextopen) {
+      if (fp->__user_locking != 1) {
+        fp->__user_locking = 0;
+      }
+    }
+  }
 }
 
-void __pthread_initialize(void);
 void __pthread_initialize(void)
 {
   pthread_initialize();
@@ -509,11 +625,27 @@ int __pthread_initialize_manager(void)
 {
   int manager_pipe[2];
   int pid;
-  int report_events;
   struct pthread_request request;
+  int report_events;
+  pthread_descr mgr;
+#ifdef __UCLIBC_HAS_TLS__
+  tcbhead_t *tcbp;
+#endif
 
+  __pthread_multiple_threads = 1;
+#if TLS_MULTIPLE_THREADS_IN_TCB || !defined __UCLIBC_HAS_TLS__ || !TLS_DTV_AT_TP
+  __pthread_main_thread->p_multiple_threads = 1;
+#endif
   *__libc_multiple_threads_ptr = 1;
 
+#ifndef HAVE_Z_NODELETE
+  if (__builtin_expect (&__dso_handle != NULL, 1))
+    __cxa_atexit ((void (*) (void *)) pthread_atexit_retcode, NULL,
+		  __dso_handle);
+#endif
+
+  if (__pthread_max_stacksize == 0)
+    __pthread_init_max_stacksize ();
   /* If basic initialization not done yet (e.g. we're called from a
      constructor run before our constructor), do it now */
   if (__pthread_i