sergiotarxz/nuttx
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Interrupts must be disabled in all low level context switches

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@89 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-03-19 14:22:43 +00:00
parent be6b34d86f
commit ddec0e391a
3 changed files with 25 additions and 15 deletions
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26
arch/c5471/src/up_exit.c
View File

@ -76,26 +76,27 @@
static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
{
int i;
dbg(" TCB=%p name=%s\n", tcb, tcb->name);
lldbg(" TCB=%p name=%s\n", tcb, tcb->argv[0]);
if (tcb->filelist)
{
dbg(" filelist refcount=%d\n",
tcb->filelist->fl_crefs);
lldbg(" filelist refcount=%d\n",
tcb->filelist->fl_crefs);
for (i = 0; i < CONFIG_NFILE_DESCRIPTORS; i++)
{
struct inode *inode = tcb->filelist->fl_files[i].f_inode;
if (inode)
{
dbg(" fd=%d refcount=%d\n",
i, inode->i_crefs);
lldbg(" fd=%d refcount=%d\n",
i, inode->i_crefs);
}
}
}
if (tcb->streams)
{
dbg(" streamlist refcount=%d\n",
lldbg(" streamlist refcount=%d\n",
tcb->streams->sl_crefs);
for (i = 0; i < CONFIG_NFILE_STREAMS; i++)
@ -103,9 +104,9 @@ static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
struct file_struct *filep = &tcb->streams->sl_streams[i];
if (filep->fs_filedes >= 0)
{
dbg(" fd=%d nbytes=%d\n",
filep->fs_filedes,
filep->fs_bufpos - filep->fs_bufstart);
lldbg(" fd=%d nbytes=%d\n",
filep->fs_filedes,
filep->fs_bufpos - filep->fs_bufstart);
}
}
}
@ -128,11 +129,12 @@ static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
void _exit(int status)
{
_TCB* tcb = (_TCB*)g_readytorun.head;
irqstate_t flags = irqsave();
dbg("TCB=%p exitting\n", tcb);
lldbg("TCB=%p exitting\n", tcb);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
dbg("Other tasks:\n");
lldbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
@ -162,7 +164,7 @@ void _exit(int status)
*/
tcb = (_TCB*)g_readytorun.head;
dbg("New Active Task TCB=%p\n", tcb);
lldbg("New Active Task TCB=%p\n", tcb);
/* Then switch contexts */

7
arch/dm320/src/up_exit.c
View File

@ -76,7 +76,7 @@
static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
{
int i;
dbg(" TCB=%p name=%s\n", tcb, tcb->name);
dbg(" TCB=%p name=%s\n", tcb, tcb->argv[0]);
if (tcb->filelist)
{
dbg(" filelist refcount=%d\n",
@ -128,8 +128,9 @@ static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
void _exit(int status)
{
_TCB* tcb = (_TCB*)g_readytorun.head;
irqstate_t flags = irqsave();
dbg("TCB=%p exitting\n", tcb);
lldbg("TCB=%p exitting\n", tcb);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
dbg("Other tasks:\n");
@ -162,7 +163,7 @@ void _exit(int status)
*/
tcb = (_TCB*)g_readytorun.head;
dbg("New Active Task TCB=%p\n", tcb);
lldbg("New Active Task TCB=%p\n", tcb);
/* Then switch contexts */

7
arch/pjrc-8051/src/up_exit.c
View File

@ -41,6 +41,7 @@
#include <sys/types.h>
#include <sched.h>
#include <debug.h>
#include <8052.h>
#include <nuttx/arch.h>
#include "os_internal.h"
#include "up_internal.h"
@ -76,6 +77,12 @@ void _exit(int status)
dbg("TCB=%p exitting\n", tcb);
/* Disable interrupts. Interrupts will remain disabled until
* the new task is resumed below when the save IE is restored.
*/
EA = 0;
/* Remove the tcb task from the ready-to-run list. We can
* ignore the return value because we know that a context
* switch is needed.