shmget: Make shmobj underwent IPC_RMID invisible to shmget

Refs: #926
Change-Id: I16120623b581da5d5d484fd05d5111788c8ad5e2

test/issues/926/C926.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+BIN=
+SBIN=
+BOOTPARAM="-c 1-7 -m 2G@0"
+
+if [ -f ../../../config.h ]; then
+	str=`grep "^#define BINDIR " ../../../config.h | head -1 | sed 's/^#define BINDIR /BINDIR=/'`
+	eval $str
+fi
+
+if [ -f ../../../Makefile ]; then
+	str=`grep ^SBINDIR ../../../Makefile | head -1 | sed 's/ //g'`
+	eval $str
+fi
+
+if [ "x$BINDIR" = x ];then
+	BINDIR="$BIN"
+fi
+if [ "x$SBINDIR" = x ];then
+	SBINDIR="$SBIN"
+fi
+
+if ! lsmod | grep mcctrl > /dev/null 2>&1; then
+	$SBINDIR/mcreboot.sh $BOOTPARAM
+fi
+
+$BINDIR/mcexec ./C926