From 04701a1a031e14674a6f98f235b84f60e27b139a Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sat, 9 Feb 2013 00:26:52 +0000
Subject: STM32F3Discovery passes all OS tests; Delay loop has been calibrated

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5629 42af7a65-404d-4744-a932-0658087f49c3
---
 apps/examples/ostest/waitpid.c | 93 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 84 insertions(+), 9 deletions(-)

(limited to 'apps')

diff --git a/apps/examples/ostest/waitpid.c b/apps/examples/ostest/waitpid.c
index d45410265..67cd81fdc 100644
--- a/apps/examples/ostest/waitpid.c
+++ b/apps/examples/ostest/waitpid.c
@@ -110,8 +110,23 @@ static void waitpid_last(void)
   if (ret < 0)
     {
       int errcode = errno;
-      printf("waitpid_last: ERROR: PID %d waitpid failed: %d\n",
-             g_waitpids[NCHILDREN-1], errcode);
+
+      /* Unfortunately, this main thread does not retain child status.  If
+       * child status is enabled (via CONFIG_SCHED_CHILD_STATUS), ostest_main()
+       * disables the feature by calling sigactin with SA_NOCLDWAIT.
+       */
+
+      if (errcode == ECHILD)
+        {
+          printf("waitpid_last: PASS: PID %d waitpid failed with ECHILD.  That may be\n",
+                 g_waitpids[NCHILDREN-1]);
+          printf("              acceptable because child status is disabled on this thread.\n");
+        }
+      else
+        {
+          printf("waitpid_last: ERROR: PID %d waitpid failed: %d\n",
+                 g_waitpids[NCHILDREN-1], errcode);
+        }
     }
   else if (WEXITSTATUS(stat_loc) != RETURN_STATUS)
     {
@@ -120,7 +135,7 @@ static void waitpid_last(void)
     }
   else
     {
-      printf("waitpid_last: PID %d waitpid succeeded with stat_loc=%04x\n",
+      printf("waitpid_last: PASS: PID %d waitpid succeeded with stat_loc=%04x\n",
              g_waitpids[NCHILDREN-1], stat_loc);
     }
 }
@@ -147,8 +162,23 @@ int waitpid_test(void)
   if (ret < 0)
     {
       int errcode = errno;
-      printf("waitpid_test: ERROR: PID %d waitpid failed: %d\n",
-             g_waitpids[0], errcode);
+
+      /* Unfortunately, this main thread does not retain child status.  If
+       * child status is enabled (via CONFIG_SCHED_CHILD_STATUS), ostest_main()
+       * disables the feature by calling sigactin with SA_NOCLDWAIT.
+       */
+
+      if (errcode == ECHILD)
+        {
+          printf("waitpid_test: PASS: PID %d waitpid failed with ECHILD.  That may be\n",
+                 g_waitpids[NCHILDREN-1]);
+          printf("              acceptable because child status is disabled on this thread.\n");
+        }
+      else
+        {
+          printf("waitpid_test: ERROR: PID %d waitpid failed: %d\n",
+                 g_waitpids[0], errcode);
+        }
     }
   else if (ret != g_waitpids[0])
     {
@@ -182,8 +212,23 @@ int waitpid_test(void)
   if (ret < 0)
     {
       int errcode = errno;
-      printf("waitpid_test: ERROR: PID %d waitid failed: %d\n",
-             g_waitpids[0], errcode);
+
+      /* Unfortunately, this main thread does not retain child status.  If
+       * child status is enabled (via CONFIG_SCHED_CHILD_STATUS), ostest_main()
+       * disables the feature by calling sigactin with SA_NOCLDWAIT.
+       */
+
+      if (errcode == ECHILD)
+        {
+          printf("waitpid_test: PASS: PID %d waitpid failed with ECHILD.  That may be\n",
+                 g_waitpids[NCHILDREN-1]);
+          printf("              acceptable because child status is disabled on this thread.\n");
+        }
+      else
+        {
+          printf("waitpid_test: ERROR: PID %d waitid failed: %d\n",
+                 g_waitpids[0], errcode);
+        }
     }
   else if (info.si_pid != g_waitpids[0])
     {
@@ -216,7 +261,22 @@ int waitpid_test(void)
   if (ret < 0)
     {
       int errcode = errno;
-      printf("waitpid_test: ERROR: waitid failed: %d\n", errcode);
+
+      /* Unfortunately, this main thread does not retain child status.  If
+       * child status is enabled (via CONFIG_SCHED_CHILD_STATUS), ostest_main()
+       * disables the feature by calling sigactin with SA_NOCLDWAIT.
+       */
+
+      if (errcode == ECHILD)
+        {
+          printf("waitpid_test: PASS: PID %d waitpid failed with ECHILD.  That may be\n",
+                 g_waitpids[NCHILDREN-1]);
+          printf("              acceptable because child status is disabled on this thread.\n");
+        }
+      else
+        {
+          printf("waitpid_test: ERROR: waitid failed: %d\n", errcode);
+        }
     }
   else if (info.si_status != RETURN_STATUS)
     {
@@ -244,7 +304,22 @@ int waitpid_test(void)
   if (ret < 0)
     {
       int errcode = errno;
-      printf("waitpid_test: ERROR: wait failed: %d\n", errcode);
+
+      /* Unfortunately, this main thread does not retain child status.  If
+       * child status is enabled (via CONFIG_SCHED_CHILD_STATUS), ostest_main()
+       * disables the feature by calling sigactin with SA_NOCLDWAIT.
+       */
+
+      if (errcode == ECHILD)
+        {
+          printf("waitpid_test: PASS: PID %d waitpid failed with ECHILD.  That may be\n",
+                 g_waitpids[NCHILDREN-1]);
+          printf("              acceptable because child status is disabled on this thread.\n");
+        }
+      else
+        {
+          printf("waitpid_test: ERROR: wait failed: %d\n", errcode);
+        }
     }
   else if (WEXITSTATUS(stat_loc) != RETURN_STATUS)
     {
-- 
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