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libcsupport: Remove superfluous assignments

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Remove superfluous declaractions, defines, comments and includes.
This commit is contained in:
Sebastian Huber
2013-04-26 10:57:07 +02:00
parent 2f72de2574
commit aeba445349
1 changed files with 15 additions and 51 deletions
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cpukit/libcsupport/src/newlibc_reent.c
+15 -51
View File
@@ -22,32 +22,14 @@
#include <rtems.h>
#if defined(RTEMS_NEWLIB)
#include <rtems/libcsupport.h>
/* Since we compile with strict ANSI we need to undef it to get
* prototypes for extensions
*/
#undef __STRICT_ANSI__
#include <stdlib.h> /* for free() */
#include <string.h> /* for memset() */
#include <sys/reent.h> /* for extern of _REENT (aka _impure_ptr) */
#include <errno.h>
/*
* NOTE:
* There is some problem with doing this on the hpux version
* of the UNIX simulator (symptom is printf core dumps), so
* we just don't for now.
* Not sure if this is a problem with hpux, newlib, or something else.
*/
#include <sys/reent.h>
#include <stdlib.h>
#include <stdio.h>
int _fwalk(struct _reent *ptr, int (*function) (FILE *) );
#include <rtems/libcsupport.h>
extern struct _reent * const _global_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
int _fwalk(struct _reent *ptr, int (*function) (FILE *) );
bool newlib_create_hook(
rtems_tcb *current_task __attribute__((unused)),
@@ -55,10 +37,11 @@ bool newlib_create_hook(
)
{
struct _reent *ptr;
bool ok;
if (_Thread_libc_reent == 0)
{
_REENT = _global_impure_ptr;
_REENT = _GLOBAL_REENT;
_Thread_Set_libc_reent (&_REENT);
}
@@ -66,15 +49,15 @@ bool newlib_create_hook(
/* It is OK to allocate from the workspace because these
* hooks run with thread dispatching disabled.
*/
ptr = (struct _reent *) _Workspace_Allocate(sizeof(struct _reent));
ptr = (struct _reent *) _Workspace_Allocate(sizeof(*ptr));
creating_task->libc_reent = ptr;
ok = ptr != NULL;
if (ptr) {
if (ok) {
_REENT_INIT_PTR((ptr)); /* GCC extension: structure constants */
creating_task->libc_reent = ptr;
return TRUE;
}
return FALSE;
return ok;
}
static int newlib_free_buffers(
@@ -104,34 +87,15 @@ void newlib_delete_hook(
{
struct _reent *ptr;
if (current_task == deleted_task) {
ptr = _REENT;
} else {
ptr = deleted_task->libc_reent;
}
if (ptr && ptr != _global_impure_ptr) {
/*
_wrapup_reent(ptr);
_reclaim_reent(ptr);
*/
/*
* Just in case there are some buffers lying around.
*/
_fwalk(ptr, newlib_free_buffers);
_Workspace_Free(ptr);
}
ptr = deleted_task->libc_reent;
deleted_task->libc_reent = NULL;
/*
* Require the switch back to another task to install its own
* Just in case there are some buffers lying around.
*/
_fwalk(ptr, newlib_free_buffers);
if ( current_task == deleted_task ) {
_REENT = 0;
}
_Workspace_Free(ptr);
}
#endif