httpd: make httpd usable for NOMMU CPUs

git-svn-id: svn://busybox.net/trunk/busybox@18026 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 13 insertions, 0 deletions

diff --git a/networking/httpd.c b/networking/httpd.c
index ee408eb14..72b03de79 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -977,7 +977,20 @@ static int sendCgi(const char *url,
         if (pipe(toCgi) != 0)
                 return 0;
 
+/*
+ * Note: We can use vfork() here in the no-mmu case, although
+ * the child modifies the parent's variables, due to:
+ * 1) The parent does not use the child-modified variables.
+ * 2) The allocated memory (in the child) is freed when the process
+ *    exits. This happens instantly after the child finishes,
+ *    since httpd is run from inetd (and it can't run standalone
+ *    in uClinux).
+ */
+#ifdef BB_NOMMU
+        pid = vfork();
+#else
         pid = fork();
+#endif
         if (pid < 0)
                 return 0;