require '_h2ph_pre.ph';

no warnings 'redefine';

unless(defined(&_LINUX_RWSEM_H)) {
    eval 'sub _LINUX_RWSEM_H () {1;}' unless defined(&_LINUX_RWSEM_H);
    require 'linux/linkage.ph';
    if(defined(&__KERNEL__)) {
	require 'linux/types.ph';
	require 'linux/kernel.ph';
	require 'asm/system.ph';
	require 'asm/atomic.ph';
	if(defined(&CONFIG_RWSEM_GENERIC_SPINLOCK)) {
	    require 'linux/rwsem-spinlock.ph';
	} else {
	    require 'asm/rwsem.ph';
	}
	if(defined(&CONFIG_DEBUG_LOCK_ALLOC)) {
	} else {
	    eval 'sub down_read_nested {
	        my($sem, $subclass) = @_;
    		eval q( &down_read($sem));
	    }' unless defined(&down_read_nested);
	    eval 'sub down_write_nested {
	        my($sem, $subclass) = @_;
    		eval q( &down_write($sem));
	    }' unless defined(&down_write_nested);
	    eval 'sub down_read_non_owner {
	        my($sem) = @_;
    		eval q( &down_read($sem));
	    }' unless defined(&down_read_non_owner);
	    eval 'sub up_read_non_owner {
	        my($sem) = @_;
    		eval q( &up_read($sem));
	    }' unless defined(&up_read_non_owner);
	}
    }
}
1;