Implement vfork() for the MIPS32 architecture

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5520 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 6 insertions, 2 deletions

diff --git a/nuttx/sched/task_vfork.c b/nuttx/sched/task_vfork.c
index 4b42c7b36..46b2d8e9f 100644
--- a/nuttx/sched/task_vfork.c
+++ b/nuttx/sched/task_vfork.c
@@ -287,7 +287,11 @@ pid_t task_vforkstart(FAR _TCB *child)
 #endif
 
 #else
-  /* Again exploiting that execv() bug: Check if the child thread is
+  /* The following logic does not appear to work... It gets stuff in an
+   * infinite kill() loop and hogs the processor.  Therefore, it looks
+   * as though CONFIG_SCHED_WAITPID may be a requirement to used vfork().
+   *
+   * Again exploiting that execv() bug: Check if the child thread is
    * still running.
    */
 
@@ -331,4 +335,4 @@ void task_vforkabort(FAR _TCB *child, int errcode)
 
   sched_releasetcb(child);
   set_errno(errcode);
-}
\ No newline at end of file
+}