rename current stable linuxthreads to linuxthreads.old to prepare for import of latest glibc version

1 files changed, 214 insertions, 0 deletions

diff --git a/libpthread/linuxthreads.old/attr.c b/libpthread/linuxthreads.old/attr.c
new file mode 100644
index 000000000..4432a04d1
--- /dev/null
+++ b/libpthread/linuxthreads.old/attr.c
@@ -0,0 +1,214 @@
+/* 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.                 */
+
+/* changed for uClibc */
+#define __sched_get_priority_min sched_get_priority_min
+#define __sched_get_priority_max sched_get_priority_max
+
+/* Handling of thread attributes */
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include "pthread.h"
+#include "internals.h"
+
+extern int __getpagesize(void);
+
+/* NOTE: With uClibc I don't think we need this versioning stuff.
+ * Therefore, define the function pthread_attr_init() here using
+ * a strong symbol. */
+
+//int __pthread_attr_init_2_1(pthread_attr_t *attr)
+int pthread_attr_init(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;
+  attr->__guardsize = ps;
+  attr->__stackaddr = NULL;
+  attr->__stackaddr_set = 0;
+  attr->__stacksize = STACK_SIZE - ps;
+  return 0;
+}
+
+/* uClibc: leave out this for now. */
+#if DO_PTHREAD_VERSIONING_WITH_UCLIBC
+#if defined __HAVE_ELF__ && defined __PIC__ && defined DO_VERSIONING
+default_symbol_version (__pthread_attr_init_2_1, pthread_attr_init, 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;
+}
+symbol_version (__pthread_attr_init_2_0, pthread_attr_init, GLIBC_2.0);
+#else
+strong_alias (__pthread_attr_init_2_1, pthread_attr_init)
+#endif
+#endif /* DO_PTHREAD_VERSIONING_WITH_UCLIBC */
+
+int pthread_attr_destroy(pthread_attr_t *attr)
+{
+  return 0;
+}
+
+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;
+}
+
+int pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate)
+{
+  *detachstate = attr->__detachstate;
+  return 0;
+}
+
+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;
+}
+
+int pthread_attr_getschedparam(const pthread_attr_t *attr,
+                               struct sched_param *param)
+{
+  memcpy (param, &attr->__schedparam, sizeof (struct sched_param));
+  return 0;
+}
+
+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;
+}
+
+int pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy)
+{
+  *policy = attr->__schedpolicy;
+  return 0;
+}
+
+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;
+}
+
+int pthread_attr_getinheritsched(const pthread_attr_t *attr, int *inherit)
+{
+  *inherit = attr->__inheritsched;
+  return 0;
+}
+
+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;
+  }
+}
+
+int pthread_attr_getscope(const pthread_attr_t *attr, int *scope)
+{
+  *scope = attr->__scope;
+  return 0;
+}
+
+int __pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize)
+{
+  size_t ps = __getpagesize ();
+
+  /* First round up the guard size.  */
+  guardsize = roundup (guardsize, ps);
+
+  /* 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)
+
+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)
+
+int __pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize)
+{
+  /* We don't accept value smaller than PTHREAD_STACK_MIN.  */
+  if (stacksize < PTHREAD_STACK_MIN)
+    return EINVAL;
+
+  attr->__stacksize = stacksize;
+  return 0;
+}
+weak_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)
+
+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)