httpd: make httpd usable for NOMMU CPUs

diff --git a/networking/httpd.c b/networking/httpd.c
index ee408eb14a66c7fa4844b8c01cdb9de816c779e6..72b03de792b0671fd5619485caa0ae11fad18541 100644 (file)
--- 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;