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-rw-r--r--apps/ChangeLog.txt2
-rw-r--r--apps/examples/ostest/waitpid.c18
-rw-r--r--nuttx/sched/pthread_join.c2
-rw-r--r--nuttx/sched/sched_waitid.c12
-rw-r--r--nuttx/sched/sched_waitpid.c10
-rw-r--r--nuttx/sched/task_childstatus.c4
-rw-r--r--nuttx/sched/timer_initialize.c2
7 files changed, 26 insertions, 24 deletions
diff --git a/apps/ChangeLog.txt b/apps/ChangeLog.txt
index 5f3440897..494ce34eb 100644
--- a/apps/ChangeLog.txt
+++ b/apps/ChangeLog.txt
@@ -493,3 +493,5 @@
* apps/netutils/telnetd/telnetd_driver: Was stuck in a loop if
recv[from]() ever returned a value <= 0.
* apps/examples/nettest and poll: Complete Kconfig files.
+ * apps/examples/ostest/waitpid.c: Need to use WEXITSTATUS()
+ to decode the correct exit status.
diff --git a/apps/examples/ostest/waitpid.c b/apps/examples/ostest/waitpid.c
index e53b49213..d45410265 100644
--- a/apps/examples/ostest/waitpid.c
+++ b/apps/examples/ostest/waitpid.c
@@ -113,14 +113,14 @@ static void waitpid_last(void)
printf("waitpid_last: ERROR: PID %d waitpid failed: %d\n",
g_waitpids[NCHILDREN-1], errcode);
}
- else if (stat_loc != RETURN_STATUS)
+ else if (WEXITSTATUS(stat_loc) != RETURN_STATUS)
{
printf("waitpid_last: ERROR: PID %d return status is %d, expected %d\n",
- g_waitpids[NCHILDREN-1], stat_loc, RETURN_STATUS);
+ g_waitpids[NCHILDREN-1], WEXITSTATUS(stat_loc), RETURN_STATUS);
}
else
{
- printf("waitpid_last: PID %d waitpid succeeded with stat_loc=%d\n",
+ printf("waitpid_last: PID %d waitpid succeeded with stat_loc=%04x\n",
g_waitpids[NCHILDREN-1], stat_loc);
}
}
@@ -155,14 +155,14 @@ int waitpid_test(void)
printf("waitpid_test: ERROR: PID %d wait returned PID %d\n",
g_waitpids[0], ret);
}
- else if (stat_loc != RETURN_STATUS)
+ else if (WEXITSTATUS(stat_loc) != RETURN_STATUS)
{
printf("waitpid_test: ERROR: PID %d return status is %d, expected %d\n",
- g_waitpids[0], stat_loc, RETURN_STATUS);
+ g_waitpids[0], WEXITSTATUS(stat_loc), RETURN_STATUS);
}
else
{
- printf("waitpid_test: PID %d waitpid succeeded with stat_loc=%d\n",
+ printf("waitpid_test: PID %d waitpid succeeded with stat_loc=%04x\n",
g_waitpids[0], stat_loc);
}
@@ -246,14 +246,14 @@ int waitpid_test(void)
int errcode = errno;
printf("waitpid_test: ERROR: wait failed: %d\n", errcode);
}
- else if (stat_loc != RETURN_STATUS)
+ else if (WEXITSTATUS(stat_loc) != RETURN_STATUS)
{
printf("waitpid_test: ERROR: PID %d return status is %d, expected %d\n",
- ret, stat_loc, RETURN_STATUS);
+ ret, WEXITSTATUS(stat_loc), RETURN_STATUS);
}
else
{
- printf("waitpid_test: PID %d wait succeeded with stat_loc=%d\n",
+ printf("waitpid_test: PID %d wait succeeded with stat_loc=%04x\n",
ret, stat_loc);
}
diff --git a/nuttx/sched/pthread_join.c b/nuttx/sched/pthread_join.c
index 6a02af352..d3f648dc7 100644
--- a/nuttx/sched/pthread_join.c
+++ b/nuttx/sched/pthread_join.c
@@ -123,7 +123,7 @@ int pthread_join(pthread_t thread, FAR pthread_addr_t *pexit_value)
* This can fail for one of three reasons: (1) There is no
* thread associated with 'thread,' (2) the thread is a task
* and does not have join information, or (3) the thread
- * was detached and has exitted.
+ * was detached and has exited.
*/
pjoin = pthread_findjoininfo((pid_t)thread);
diff --git a/nuttx/sched/sched_waitid.c b/nuttx/sched/sched_waitid.c
index e73bc223c..56bfb36f0 100644
--- a/nuttx/sched/sched_waitid.c
+++ b/nuttx/sched/sched_waitid.c
@@ -54,16 +54,16 @@
*****************************************************************************/
/*****************************************************************************
- * Name: exitted_child
+ * Name: exited_child
*
* Description:
- * Handle the case where a child exitted properlay was we (apparently) lost
+ * Handle the case where a child exited properlay was we (apparently) lost
* the detch of child signal.
*
*****************************************************************************/
#ifdef CONFIG_SCHED_CHILD_STATUS
-static void exitted_child(FAR _TCB *rtcb, FAR struct child_status_s *child,
+static void exited_child(FAR _TCB *rtcb, FAR struct child_status_s *child,
FAR siginfo_t *info)
{
/* The child has exited. Return the saved exit status (and some fudged
@@ -271,11 +271,11 @@ int waitid(idtype_t idtype, id_t id, FAR siginfo_t *info, int options)
if (retains && (child = task_exitchild(rtcb)) != NULL)
{
- /* A child has exitted. Apparently we missed the signal.
+ /* A child has exited. Apparently we missed the signal.
* Return the exit status and break out of the loop.
*/
- exitted_child(rtcb, child, info);
+ exited_child(rtcb, child, info);
break;
}
}
@@ -297,7 +297,7 @@ int waitid(idtype_t idtype, id_t id, FAR siginfo_t *info, int options)
* of the loop.
*/
- exitted_child(rtcb, child, info);
+ exited_child(rtcb, child, info);
break;
}
}
diff --git a/nuttx/sched/sched_waitpid.c b/nuttx/sched/sched_waitpid.c
index ecdc60a2c..d7484fca9 100644
--- a/nuttx/sched/sched_waitpid.c
+++ b/nuttx/sched/sched_waitpid.c
@@ -384,13 +384,13 @@ pid_t waitpid(pid_t pid, int *stat_loc, int options)
DEBUGASSERT(!retains || rtcb->children);
if (retains && (child = task_exitchild(rtcb)) != NULL)
{
- /* A child has exitted. Apparently we missed the signal.
+ /* A child has exited. Apparently we missed the signal.
* Return the saved exit status.
*/
/* The child has exited. Return the saved exit status */
- *stat_loc = child->ch_status;
+ *stat_loc = child->ch_status << 8;
/* Discard the child entry and break out of the loop */
@@ -415,7 +415,7 @@ pid_t waitpid(pid_t pid, int *stat_loc, int options)
{
/* The child has exited. Return the saved exit status */
- *stat_loc = child->ch_status;
+ *stat_loc = child->ch_status << 8;
/* Discard the child entry and break out of the loop */
@@ -452,7 +452,7 @@ pid_t waitpid(pid_t pid, int *stat_loc, int options)
*/
if (rtcb->nchildren == 0 ||
- (pid != (pid_t)-1 && (ret = kill((pid_t)id, 0)) < 0))
+ (pid != (pid_t)-1 && (ret = kill(pid, 0)) < 0))
{
/* We know that the child task was running okay we stared,
* so we must have lost the signal. What can we do?
@@ -481,7 +481,7 @@ pid_t waitpid(pid_t pid, int *stat_loc, int options)
{
/* Yes... return the status and PID (in the event it was -1) */
- *stat_loc = info.si_status;
+ *stat_loc = info.si_status << 8;
pid = info.si_pid;
break;
}
diff --git a/nuttx/sched/task_childstatus.c b/nuttx/sched/task_childstatus.c
index 09aa48135..6007f03e5 100644
--- a/nuttx/sched/task_childstatus.c
+++ b/nuttx/sched/task_childstatus.c
@@ -121,7 +121,7 @@ static void task_dumpchildren(FAR _TCB *tcb, FAR const char *msg)
}
}
#else
-# task_dumpchildren(t,m)
+# define task_dumpchildren(t,m)
#endif
/*****************************************************************************
@@ -320,7 +320,7 @@ FAR struct child_status_s *task_exitchild(FAR _TCB *tcb)
{
FAR struct child_status_s *child;
- /* Find the status structure with the matching PID */
+ /* Find the status structure of any child task that has exitted. */
for (child = tcb->children; child; child = child->flink)
{
diff --git a/nuttx/sched/timer_initialize.c b/nuttx/sched/timer_initialize.c
index 05980bb1a..2651469ef 100644
--- a/nuttx/sched/timer_initialize.c
+++ b/nuttx/sched/timer_initialize.c
@@ -137,7 +137,7 @@ void weak_function timer_initialize(void)
* resources are referenced.
*
* Parameters:
- * pid - the task ID of the thread that exitted
+ * pid - the task ID of the thread that exited
*
* Return Value:
* None