Implement shm_open() and shm_unlink(). The shared memory objects are

simply created as files in /boot/var/shared_memory/. The Bootscript
clears the directory.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25374 a95241bf-73f2-0310-859d-f6bbb57e9c96

data/system/boot/Bootscript

@@ -57,6 +57,12 @@ exec >/dev/null 2>&1
 SCRIPTS=beos/system/boot
 SERVERS=beos/system/servers
 
+# clean the shared memory dir
+shmDir=/boot/var/shared_memory
+rm -rf $shmDir
+mkdir $shmDir
+chmod 777 $shmDir
+
 # Set up the environment
 
 export SAFEMODE=`/bin/safemode`