Index: src/include/http_log.h
===================================================================
--- src/include/http_log.h	(revision 170288)
+++ src/include/http_log.h	(working copy)
@@ -63,6 +63,7 @@
 #define APLOG_MARK	__FILE__,__LINE__
 
 API_EXPORT(void) ap_open_logs (server_rec *, pool *p);
+API_EXPORT(void) ap_logs_child_init(server_rec *s, pool *p);
 
 /* The two primary logging functions, ap_log_error and ap_log_rerror,
  * use a printf style format string to build the log message.  It is
Index: src/main/http_log.c
===================================================================
--- src/main/http_log.c	(revision 170288)
+++ src/main/http_log.c	(working copy)
@@ -113,6 +113,44 @@
     {NULL,	-1},
 };
 
+/* track pipe handles to close in child process */
+typedef struct read_handle_t {
+    struct read_handle_t *next;
+    int handle;
+} read_handle_t;
+
+static read_handle_t *read_handles;
+
+/* clear_handle_list() is called when plog is cleared; at that
+ * point we need to forget about our old list of pipe read
+ * handles
+ */
+static void clear_handle_list(void *v)
+{
+    read_handles = NULL;
+}
+
+/* remember to close this handle in the child process */
+static void close_handle_in_child(pool *p, int h)
+{
+    read_handle_t *new_handle;
+
+    new_handle = ap_pcalloc(p, sizeof(read_handle_t));
+    new_handle->next = read_handles;
+    new_handle->handle = h;
+    read_handles = new_handle;
+}
+
+void ap_logs_child_init(server_rec *s, pool *p)
+{
+    read_handle_t *cur = read_handles;
+
+    while (cur) {
+        close(cur->handle);
+        cur = cur->next;
+    }
+}
+
 static int error_log_child(void *cmd, child_info *pinfo)
 {
     /* Child process code for 'ErrorLog "|..."';
@@ -221,6 +259,9 @@
     setenv("_EDC_ADD_ERRNO2", "1", 1);
 #endif
 
+    ap_register_cleanup(p, NULL, clear_handle_list,
+                        ap_null_cleanup);
+
     open_error_log(s_main, p);
 
     replace_stderr = 1;
@@ -593,6 +634,7 @@
     ap_unblock_alarms();
     pl->pid = pid;
     ap_register_other_child(pid, piped_log_maintenance, pl, pl->fds[1]);
+    close_handle_in_child(pl->p, ap_piped_log_read_fd(pl));
     return 0;
 }
 
Index: src/main/http_core.c
===================================================================
--- src/main/http_core.c	(revision 170288)
+++ src/main/http_core.c	(working copy)
@@ -4263,7 +4263,7 @@
     NULL,			/* pre-run fixups */
     NULL,			/* logger */
     NULL,			/* header parser */
-    NULL,			/* child_init */
+    ap_logs_child_init,		/* child_init */
     NULL,			/* child_exit */
     NULL			/* post_read_request */
 };