Get rid of nptl/sysdeps/pthread/ subdirectory

1 files changed, 0 insertions, 259 deletions

diff --git a/nptl/sysdeps/pthread/createthread.c b/nptl/sysdeps/pthread/createthread.c
deleted file mode 100644
index 28c1ea67d3..0000000000
--- a/nptl/sysdeps/pthread/createthread.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <sched.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <atomic.h>
-#include <ldsodefs.h>
-#include <tls.h>
-#include <stdint.h>
-
-#include "kernel-features.h"
-
-
-#define CLONE_SIGNAL		(CLONE_SIGHAND | CLONE_THREAD)
-
-/* The <tls.h> header should define the macro TLS_DEFINE_INIT_TP such that:
-	TLS_DEFINE_INIT_TP (VAR, PD);
-   Declares and initializes a variable VAR with the value that should
-   be passed to the OS thread creation function (e.g. clone) to initialize
-   its TLS state for the 'struct pthread *' PD.  */
-#ifndef TLS_DEFINE_INIT_TP
-/* For a transitional period while all the <tls.h> implementations are
-   getting updated, we define it using the old TLS_VALUE macro.  */
-# define TLS_DEFINE_INIT_TP(tp, pd) void *tp = TLS_VALUE
-# ifndef TLS_VALUE
-#  define TLS_VALUE pd
-# endif
-#endif
-
-#ifndef ARCH_CLONE
-# define ARCH_CLONE __clone
-#endif
-
-
-#ifndef TLS_MULTIPLE_THREADS_IN_TCB
-/* Pointer to the corresponding variable in libc.  */
-int *__libc_multiple_threads_ptr attribute_hidden;
-#endif
-
-
-static int
-do_clone (struct pthread *pd, const struct pthread_attr *attr,
-	  int clone_flags, int (*fct) (void *), STACK_VARIABLES_PARMS,
-	  int stopped)
-{
-  TLS_DEFINE_INIT_TP (tp, pd);
-
-  if (__glibc_unlikely (stopped != 0))
-    /* We make sure the thread does not run far by forcing it to get a
-       lock.  We lock it here too so that the new thread cannot continue
-       until we tell it to.  */
-    lll_lock (pd->lock, LLL_PRIVATE);
-
-  /* One more thread.  We cannot have the thread do this itself, since it
-     might exist but not have been scheduled yet by the time we've returned
-     and need to check the value to behave correctly.  We must do it before
-     creating the thread, in case it does get scheduled first and then
-     might mistakenly think it was the only thread.  In the failure case,
-     we momentarily store a false value; this doesn't matter because there
-     is no kosher thing a signal handler interrupting us right here can do
-     that cares whether the thread count is correct.  */
-  atomic_increment (&__nptl_nthreads);
-
-  int rc = ARCH_CLONE (fct, STACK_VARIABLES_ARGS, clone_flags,
-		       pd, &pd->tid, tp, &pd->tid);
-
-  if (__glibc_unlikely (rc == -1))
-    {
-      atomic_decrement (&__nptl_nthreads); /* Oops, we lied for a second.  */
-
-      /* Perhaps a thread wants to change the IDs and if waiting
-	 for this stillborn thread.  */
-      if (__builtin_expect (atomic_exchange_acq (&pd->setxid_futex, 0)
-			    == -2, 0))
-	lll_futex_wake (&pd->setxid_futex, 1, LLL_PRIVATE);
-
-      /* Free the resources.  */
-	__deallocate_stack (pd);
-
-      /* We have to translate error codes.  */
-      return errno == ENOMEM ? EAGAIN : errno;
-    }
-
-  /* Now we have the possibility to set scheduling parameters etc.  */
-  if (__glibc_unlikely (stopped != 0))
-    {
-      INTERNAL_SYSCALL_DECL (err);
-      int res = 0;
-
-      /* Set the affinity mask if necessary.  */
-      if (attr->cpuset != NULL)
-	{
-	  res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid,
-				  attr->cpusetsize, attr->cpuset);
-
-	  if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (res, err)))
-	    {
-	      /* The operation failed.  We have to kill the thread.  First
-		 send it the cancellation signal.  */
-	      INTERNAL_SYSCALL_DECL (err2);
-	    err_out:
-	      (void) INTERNAL_SYSCALL (tgkill, err2, 3,
-				       THREAD_GETMEM (THREAD_SELF, pid),
-				       pd->tid, SIGCANCEL);
-
-	      /* We do not free the stack here because the canceled thread
-		 itself will do this.  */
-
-	      return (INTERNAL_SYSCALL_ERROR_P (res, err)
-		      ? INTERNAL_SYSCALL_ERRNO (res, err)
-		      : 0);
-	    }
-	}
-
-      /* Set the scheduling parameters.  */
-      if ((attr->flags & ATTR_FLAG_NOTINHERITSCHED) != 0)
-	{
-	  res = INTERNAL_SYSCALL (sched_setscheduler, err, 3, pd->tid,
-				  pd->schedpolicy, &pd->schedparam);
-
-	  if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (res, err)))
-	    goto err_out;
-	}
-    }
-
-  /* We now have for sure more than one thread.  The main thread might
-     not yet have the flag set.  No need to set the global variable
-     again if this is what we use.  */
-  THREAD_SETMEM (THREAD_SELF, header.multiple_threads, 1);
-
-  return 0;
-}
-
-
-static int
-create_thread (struct pthread *pd, const struct pthread_attr *attr,
-	       STACK_VARIABLES_PARMS)
-{
-#if TLS_TCB_AT_TP
-  assert (pd->header.tcb != NULL);
-#endif
-
-  /* We rely heavily on various flags the CLONE function understands:
-
-     CLONE_VM, CLONE_FS, CLONE_FILES
-	These flags select semantics with shared address space and
-	file descriptors according to what POSIX requires.
-
-     CLONE_SIGNAL
-	This flag selects the POSIX signal semantics.
-
-     CLONE_SETTLS
-	The sixth parameter to CLONE determines the TLS area for the
-	new thread.
-
-     CLONE_PARENT_SETTID
-	The kernels writes the thread ID of the newly created thread
-	into the location pointed to by the fifth parameters to CLONE.
-
-	Note that it would be semantically equivalent to use
-	CLONE_CHILD_SETTID but it is be more expensive in the kernel.
-
-     CLONE_CHILD_CLEARTID
-	The kernels clears the thread ID of a thread that has called
-	sys_exit() in the location pointed to by the seventh parameter
-	to CLONE.
-
-     The termination signal is chosen to be zero which means no signal
-     is sent.  */
-  int clone_flags = (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGNAL
-		     | CLONE_SETTLS | CLONE_PARENT_SETTID
-		     | CLONE_CHILD_CLEARTID | CLONE_SYSVSEM
-		     | 0);
-
-  if (__glibc_unlikely (THREAD_GETMEM (THREAD_SELF, report_events)))
-    {
-      /* The parent thread is supposed to report events.  Check whether
-	 the TD_CREATE event is needed, too.  */
-      const int _idx = __td_eventword (TD_CREATE);
-      const uint32_t _mask = __td_eventmask (TD_CREATE);
-
-      if ((_mask & (__nptl_threads_events.event_bits[_idx]
-		    | pd->eventbuf.eventmask.event_bits[_idx])) != 0)
-	{
-	  /* We always must have the thread start stopped.  */
-	  pd->stopped_start = true;
-
-	  /* Create the thread.  We always create the thread stopped
-	     so that it does not get far before we tell the debugger.  */
-	  int res = do_clone (pd, attr, clone_flags, start_thread,
-			      STACK_VARIABLES_ARGS, 1);
-	  if (res == 0)
-	    {
-	      /* Now fill in the information about the new thread in
-		 the newly created thread's data structure.  We cannot let
-		 the new thread do this since we don't know whether it was
-		 already scheduled when we send the event.  */
-	      pd->eventbuf.eventnum = TD_CREATE;
-	      pd->eventbuf.eventdata = pd;
-
-	      /* Enqueue the descriptor.  */
-	      do
-		pd->nextevent = __nptl_last_event;
-	      while (atomic_compare_and_exchange_bool_acq (&__nptl_last_event,
-							   pd, pd->nextevent)
-		     != 0);
-
-	      /* Now call the function which signals the event.  */
-	      __nptl_create_event ();
-
-	      /* And finally restart the new thread.  */
-	      lll_unlock (pd->lock, LLL_PRIVATE);
-	    }
-
-	  return res;
-	}
-    }
-
-#ifdef NEED_DL_SYSINFO
-  assert (THREAD_SELF_SYSINFO == THREAD_SYSINFO (pd));
-#endif
-
-  /* Determine whether the newly created threads has to be started
-     stopped since we have to set the scheduling parameters or set the
-     affinity.  */
-  bool stopped = false;
-  if (attr != NULL && (attr->cpuset != NULL
-		       || (attr->flags & ATTR_FLAG_NOTINHERITSCHED) != 0))
-    stopped = true;
-  pd->stopped_start = stopped;
-  pd->parent_cancelhandling = THREAD_GETMEM (THREAD_SELF, cancelhandling);
-
-  /* Actually create the thread.  */
-  int res = do_clone (pd, attr, clone_flags, start_thread,
-		      STACK_VARIABLES_ARGS, stopped);
-
-  if (res == 0 && stopped)
-    /* And finally restart the new thread.  */
-    lll_unlock (pd->lock, LLL_PRIVATE);
-
-  return res;
-}