func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

type mcontextt struct {
	__gregs     [19]uint32
	__fpregs    [644]byte
	_mc_tlsbase int32
}

type ucontextt struct {
	uc_flags    uint32
	uc_link     *ucontextt
	uc_sigmask  sigset
	uc_stack    stackt
	uc_mcontext mcontextt
	__uc_pad    [4]int32
}

    /**
     * Default Unix permissions for directories, {@code 755}.
     */
    @SuppressWarnings("OctalInteger")
    int DEFAULT_DIR_MODE = 0755;

    /**
     * Default Unix permissions for files, {@code 644}.
     */
    @SuppressWarnings("OctalInteger")
    int DEFAULT_FILE_MODE = 0644;

    /**
     * Tells whether the file system is case sensitive.
     *

GOARCH=386 go tool cgo -cdefs defs_netbsd.go defs_netbsd_386.go >defs_netbsd_386.h
GOARCH=arm go tool cgo -cdefs defs_netbsd.go defs_netbsd_arm.go >defs_netbsd_arm.h
*/

// +godefs map __fpregset_t [644]byte

package runtime

/*
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/signal.h>
#include <sys/event.h>
#include <sys/time.h>
#include <sys/ucontext.h>
#include <sys/unistd.h>

        def file = tmpDir.file("someFile")

        when:
        fs.chmod(file, 0644)

        then:
        FileException e = thrown()
        e.message == "Could not set file mode 644 on '$file'."
    }

    @Requires(UnitTestPreconditions.FilePermissions)
    def "unix permissions on files can be changed and read"() {
        def f = tmpDir.createFile("someFile\u03B1.txt")

        when: