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-rw-r--r--linuxthreads/attr.c485
1 files changed, 0 insertions, 485 deletions
diff --git a/linuxthreads/attr.c b/linuxthreads/attr.c
deleted file mode 100644
index 2adc7ccd7a..0000000000
--- a/linuxthreads/attr.c
+++ /dev/null
@@ -1,485 +0,0 @@
-/* Linuxthreads - a simple clone()-based implementation of Posix        */
-/* threads for Linux.                                                   */
-/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr)              */
-/*                                                                      */
-/* This program is free software; you can redistribute it and/or        */
-/* modify it under the terms of the GNU Library General Public License  */
-/* as published by the Free Software Foundation; either version 2       */
-/* of the License, or (at your option) any later version.               */
-/*                                                                      */
-/* This program 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 Library General Public License for more details.                 */
-
-/* Handling of thread attributes */
-
-#include <errno.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdio_ext.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/param.h>
-#include <sys/resource.h>
-#include "pthread.h"
-#include "internals.h"
-#include <shlib-compat.h>
-#include <ldsodefs.h>
-
-
-int __pthread_attr_init_2_1(pthread_attr_t *attr)
-{
-  size_t ps = __getpagesize ();
-
-  attr->__detachstate = PTHREAD_CREATE_JOINABLE;
-  attr->__schedpolicy = SCHED_OTHER;
-  attr->__schedparam.sched_priority = 0;
-  attr->__inheritsched = PTHREAD_EXPLICIT_SCHED;
-  attr->__scope = PTHREAD_SCOPE_SYSTEM;
-#ifdef NEED_SEPARATE_REGISTER_STACK
-  attr->__guardsize = ps + ps;
-#else
-  attr->__guardsize = ps;
-#endif
-  attr->__stackaddr = NULL;
-  attr->__stackaddr_set = 0;
-  attr->__stacksize = STACK_SIZE - ps;
-  return 0;
-}
-
-versioned_symbol (libpthread, __pthread_attr_init_2_1, pthread_attr_init,
-		  GLIBC_2_1);
-
-#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
-int __pthread_attr_init_2_0(pthread_attr_t *attr)
-{
-  attr->__detachstate = PTHREAD_CREATE_JOINABLE;
-  attr->__schedpolicy = SCHED_OTHER;
-  attr->__schedparam.sched_priority = 0;
-  attr->__inheritsched = PTHREAD_EXPLICIT_SCHED;
-  attr->__scope = PTHREAD_SCOPE_SYSTEM;
-  return 0;
-}
-compat_symbol (libpthread, __pthread_attr_init_2_0, pthread_attr_init,
-	       GLIBC_2_0);
-#endif
-
-int __pthread_attr_destroy(pthread_attr_t *attr)
-{
-  return 0;
-}
-strong_alias (__pthread_attr_destroy, pthread_attr_destroy);
-
-int __pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate)
-{
-  if (detachstate < PTHREAD_CREATE_JOINABLE ||
-      detachstate > PTHREAD_CREATE_DETACHED)
-    return EINVAL;
-  attr->__detachstate = detachstate;
-  return 0;
-}
-strong_alias (__pthread_attr_setdetachstate, pthread_attr_setdetachstate);
-
-int __pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
-{
-  *detachstate = attr->__detachstate;
-  return 0;
-}
-strong_alias (__pthread_attr_getdetachstate, pthread_attr_getdetachstate);
-
-int __pthread_attr_setschedparam(pthread_attr_t *attr,
-                                 const struct sched_param *param)
-{
-  int max_prio = __sched_get_priority_max(attr->__schedpolicy);
-  int min_prio = __sched_get_priority_min(attr->__schedpolicy);
-
-  if (param->sched_priority < min_prio || param->sched_priority > max_prio)
-    return EINVAL;
-  memcpy (&attr->__schedparam, param, sizeof (struct sched_param));
-  return 0;
-}
-strong_alias (__pthread_attr_setschedparam, pthread_attr_setschedparam);
-
-int __pthread_attr_getschedparam(const pthread_attr_t *attr,
-                                 struct sched_param *param)
-{
-  memcpy (param, &attr->__schedparam, sizeof (struct sched_param));
-  return 0;
-}
-strong_alias (__pthread_attr_getschedparam, pthread_attr_getschedparam);
-
-int __pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
-{
-  if (policy != SCHED_OTHER && policy != SCHED_FIFO && policy != SCHED_RR)
-    return EINVAL;
-  attr->__schedpolicy = policy;
-  return 0;
-}
-strong_alias (__pthread_attr_setschedpolicy, pthread_attr_setschedpolicy);
-
-int __pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
-{
-  *policy = attr->__schedpolicy;
-  return 0;
-}
-strong_alias (__pthread_attr_getschedpolicy, pthread_attr_getschedpolicy);
-
-int __pthread_attr_setinheritsched(pthread_attr_t *attr, int inherit)
-{
-  if (inherit != PTHREAD_INHERIT_SCHED && inherit != PTHREAD_EXPLICIT_SCHED)
-    return EINVAL;
-  attr->__inheritsched = inherit;
-  return 0;
-}
-strong_alias (__pthread_attr_setinheritsched, pthread_attr_setinheritsched);
-
-int __pthread_attr_getinheritsched(const pthread_attr_t *attr, int *inherit)
-{
-  *inherit = attr->__inheritsched;
-  return 0;
-}
-strong_alias (__pthread_attr_getinheritsched, pthread_attr_getinheritsched);
-
-int __pthread_attr_setscope(pthread_attr_t *attr, int scope)
-{
-  switch (scope) {
-  case PTHREAD_SCOPE_SYSTEM:
-    attr->__scope = scope;
-    return 0;
-  case PTHREAD_SCOPE_PROCESS:
-    return ENOTSUP;
-  default:
-    return EINVAL;
-  }
-}
-strong_alias (__pthread_attr_setscope, pthread_attr_setscope);
-
-int __pthread_attr_getscope(const pthread_attr_t *attr, int *scope)
-{
-  *scope = attr->__scope;
-  return 0;
-}
-strong_alias (__pthread_attr_getscope, pthread_attr_getscope);
-
-int __pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
-{
-  /* The guard size must not be larger than the stack itself */
-  if (guardsize >= attr->__stacksize) return EINVAL;
-
-  attr->__guardsize = guardsize;
-
-  return 0;
-}
-weak_alias (__pthread_attr_setguardsize, pthread_attr_setguardsize)
-
-int __pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize)
-{
-  *guardsize = attr->__guardsize;
-  return 0;
-}
-weak_alias (__pthread_attr_getguardsize, pthread_attr_getguardsize)
-
-int __pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr)
-{
-  attr->__stackaddr = stackaddr;
-  attr->__stackaddr_set = 1;
-  return 0;
-}
-weak_alias (__pthread_attr_setstackaddr, pthread_attr_setstackaddr)
-
-link_warning (pthread_attr_setstackaddr,
-	      "the use of `pthread_attr_setstackaddr' is deprecated, use `pthread_attr_setstack'")
-
-int __pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr)
-{
-  /* XXX This function has a stupid definition.  The standard specifies
-     no error value but what is if no stack address was set?  We simply
-     return the value we have in the member.  */
-  *stackaddr = attr->__stackaddr;
-  return 0;
-}
-weak_alias (__pthread_attr_getstackaddr, pthread_attr_getstackaddr)
-
-link_warning (pthread_attr_getstackaddr,
-	      "the use of `pthread_attr_getstackaddr' is deprecated, use `pthread_attr_getstack'")
-
-
-int __pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
-{
-#ifdef FLOATING_STACKS
-  /* We have to check against the maximum allowed stack size.  This is no
-     problem if the manager is already started and we determined it.  If
-     this hasn't happened, we have to find the limit outself.  */
-  if (__pthread_max_stacksize == 0)
-    __pthread_init_max_stacksize ();
-
-  if (stacksize > __pthread_max_stacksize)
-    return EINVAL;
-#else
-  /* We have a fixed size limit.  */
-  if (stacksize > STACK_SIZE)
-    return EINVAL;
-#endif
-
-  /* We don't accept value smaller than PTHREAD_STACK_MIN.  */
-  if (stacksize < PTHREAD_STACK_MIN)
-    return EINVAL;
-
-  attr->__stacksize = stacksize;
-  return 0;
-}
-
-#if PTHREAD_STACK_MIN == 16384
-weak_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)
-#else
-versioned_symbol (libpthread, __pthread_attr_setstacksize,
-                  pthread_attr_setstacksize, GLIBC_2_3_3);
-
-# if SHLIB_COMPAT(libpthread, GLIBC_2_1, GLIBC_2_3_3)
-
-int __old_pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
-{
-#  ifdef FLOATING_STACKS
-  /* We have to check against the maximum allowed stack size.  This is no
-     problem if the manager is already started and we determined it.  If
-     this hasn't happened, we have to find the limit outself.  */
-  if (__pthread_max_stacksize == 0)
-    __pthread_init_max_stacksize ();
-
-  if (stacksize > __pthread_max_stacksize)
-    return EINVAL;
-#  else
-  /* We have a fixed size limit.  */
-  if (stacksize > STACK_SIZE)
-    return EINVAL;
-#  endif
-
-  /* We don't accept value smaller than old PTHREAD_STACK_MIN.  */
-  if (stacksize < 16384)
-    return EINVAL;
-
-  attr->__stacksize = stacksize;
-  return 0;
-}
-compat_symbol (libpthread, __old_pthread_attr_setstacksize,
-	       pthread_attr_setstacksize, GLIBC_2_1);
-# endif
-#endif
-
-
-int __pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
-{
-  *stacksize = attr->__stacksize;
-  return 0;
-}
-weak_alias (__pthread_attr_getstacksize, pthread_attr_getstacksize)
-
-int __pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
-			     size_t stacksize)
-{
-  int err;
-
-  if ((((uintptr_t) stackaddr)
-       & (__alignof__ (struct _pthread_descr_struct) - 1)) != 0)
-    err = EINVAL;
-  else
-    err = __pthread_attr_setstacksize (attr, stacksize);
-  if (err == 0)
-    {
-#ifndef _STACK_GROWS_UP
-      attr->__stackaddr = (char *) stackaddr + stacksize;
-#else
-      attr->__stackaddr = stackaddr;
-#endif
-      attr->__stackaddr_set = 1;
-    }
-
-  return err;
-}
-
-#if PTHREAD_STACK_MIN == 16384
-weak_alias (__pthread_attr_setstack, pthread_attr_setstack)
-#else
-versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,
-                  GLIBC_2_3_3);
-# if SHLIB_COMPAT(libpthread, GLIBC_2_2, GLIBC_2_3_3)
-int __old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
-				 size_t stacksize)
-{
-  int err;
-
-  if ((((uintptr_t) stackaddr)
-       & (__alignof__ (struct _pthread_descr_struct) - 1)) != 0)
-    err = EINVAL;
-  else
-    err = __old_pthread_attr_setstacksize (attr, stacksize);
-  if (err == 0)
-    {
-#  ifndef _STACK_GROWS_UP
-      attr->__stackaddr = (char *) stackaddr + stacksize;
-#  else
-      attr->__stackaddr = stackaddr;
-#  endif
-      attr->__stackaddr_set = 1;
-    }
-
-  return err;
-}
-
-compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack,
-               GLIBC_2_2);
-
-# endif
-#endif
-
-int __pthread_attr_getstack (const pthread_attr_t *attr, void **stackaddr,
-			     size_t *stacksize)
-{
-  /* XXX This function has a stupid definition.  The standard specifies
-     no error value but what is if no stack address was set?  We simply
-     return the value we have in the member.  */
-#ifndef _STACK_GROWS_UP
-  *stackaddr = (char *) attr->__stackaddr - attr->__stacksize;
-#else
-  *stackaddr = attr->__stackaddr;
-#endif
-  *stacksize = attr->__stacksize;
-  return 0;
-}
-weak_alias (__pthread_attr_getstack, pthread_attr_getstack)
-
-int pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
-{
-  pthread_handle handle = thread_handle (thread);
-  pthread_descr descr;
-  int ret = 0;
-
-  if (handle == NULL)
-    return ENOENT;
-
-  descr = handle->h_descr;
-
-  attr->__detachstate = (descr->p_detached
-			 ? PTHREAD_CREATE_DETACHED
-			 : PTHREAD_CREATE_JOINABLE);
-
-  attr->__schedpolicy = __sched_getscheduler (descr->p_pid);
-  if (attr->__schedpolicy == -1)
-    return errno;
-
-  if (__sched_getparam (descr->p_pid,
-			(struct sched_param *) &attr->__schedparam) != 0)
-    return errno;
-
-  attr->__inheritsched = descr->p_inheritsched;
-  attr->__scope = PTHREAD_SCOPE_SYSTEM;
-
-#ifdef _STACK_GROWS_DOWN
-# ifdef USE_TLS
-  attr->__stacksize = descr->p_stackaddr - (char *)descr->p_guardaddr
-		      - descr->p_guardsize;
-# else
-  attr->__stacksize = (char *)(descr + 1) - (char *)descr->p_guardaddr
-		      - descr->p_guardsize;
-# endif
-#else
-# ifdef USE_TLS
-  attr->__stacksize = (char *)descr->p_guardaddr - descr->p_stackaddr;
-# else
-  attr->__stacksize = (char *)descr->p_guardaddr - (char *)descr;
-# endif
-#endif
-  attr->__guardsize = descr->p_guardsize;
-  attr->__stackaddr_set = descr->p_userstack;
-#ifdef NEED_SEPARATE_REGISTER_STACK
-  if (descr->p_userstack == 0)
-    attr->__stacksize *= 2;
-  /* XXX This is awkward.  The guard pages are in the middle of the
-     two stacks.  We must count the guard size in the stack size since
-     otherwise the range of the stack area cannot be computed.  */
-  attr->__stacksize += attr->__guardsize;
-#endif
-#ifdef USE_TLS
-  attr->__stackaddr = descr->p_stackaddr;
-#else
-# ifndef _STACK_GROWS_UP
-  attr->__stackaddr = (char *)(descr + 1);
-# else
-  attr->__stackaddr = (char *)descr;
-# endif
-#endif
-
-#ifdef USE_TLS
-  if (attr->__stackaddr == NULL)
-#else
-  if (descr == &__pthread_initial_thread)
-#endif
-    {
-      /* Stack size limit.  */
-      struct rlimit rl;
-
-      /* The safest way to get the top of the stack is to read
-	 /proc/self/maps and locate the line into which
-	 __libc_stack_end falls.  */
-      FILE *fp = fopen ("/proc/self/maps", "rc");
-      if (fp == NULL)
-	ret = errno;
-      /* We need the limit of the stack in any case.  */
-      else if (getrlimit (RLIMIT_STACK, &rl) != 0)
-	ret = errno;
-      else
-	{
-	  /* We need no locking.  */
-	  __fsetlocking (fp, FSETLOCKING_BYCALLER);
-
-	  /* Until we found an entry (which should always be the case)
-	     mark the result as a failure.  */
-	  ret = ENOENT;
-
-	  char *line = NULL;
-	  size_t linelen = 0;
-	  uintptr_t last_to = 0;
-
-	  while (! feof_unlocked (fp))
-	    {
-	      if (__getdelim (&line, &linelen, '\n', fp) <= 0)
-		break;
-
-	      uintptr_t from;
-	      uintptr_t to;
-	      if (sscanf (line, "%" SCNxPTR "-%" SCNxPTR, &from, &to) != 2)
-		continue;
-	      if (from <= (uintptr_t) __libc_stack_end
-		  && (uintptr_t) __libc_stack_end < to)
-		{
-		  /* Found the entry.  Now we have the info we need.  */
-		  attr->__stacksize = rl.rlim_cur;
-#ifdef _STACK_GROWS_UP
-		  /* Don't check to enforce a limit on the __stacksize */
-		  attr->__stackaddr = (void *) from;
-#else
-		  attr->__stackaddr = (void *) to;
-
-		  /* The limit might be too high.  */
-		  if ((size_t) attr->__stacksize
-		      > (size_t) attr->__stackaddr - last_to)
-		    attr->__stacksize = (size_t) attr->__stackaddr - last_to;
-#endif
-
-		  /* We succeed and no need to look further.  */
-		  ret = 0;
-		  break;
-		}
-	      last_to = to;
-	    }
-
-	  fclose (fp);
-	  free (line);
-	}
-    }
-
-  return 0;
-
-}