chardev: clean up chardev-parallel.c

Replace HAVE_CHARDEV_PARPORT with a Meson conditional, remove unnecessary
defines, and close the file descriptor on FreeBSD/DragonFly.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

chardev/char-parallel.c

@@ -238,7 +238,6 @@ static void qemu_chr_open_pp_fd(Chardev *chr,
 }
 #endif
 
-#ifdef HAVE_CHARDEV_PARPORT
 static void qmp_chardev_open_parallel(Chardev *chr,
                                       ChardevBackend *backend,
                                       bool *be_opened,
@@ -276,29 +275,21 @@ static void char_parallel_class_init(ObjectClass *oc, void *data)
 
     cc->parse = qemu_chr_parse_parallel;
     cc->open = qmp_chardev_open_parallel;
-#if defined(__linux__)
-    cc->chr_ioctl = pp_ioctl;
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
-    defined(__DragonFly__)
     cc->chr_ioctl = pp_ioctl;
-#endif
 }
 
 static void char_parallel_finalize(Object *obj)
 {
-#if defined(__linux__)
     Chardev *chr = CHARDEV(obj);
     ParallelChardev *drv = PARALLEL_CHARDEV(chr);
     int fd = drv->fd;
 
+#if defined(__linux__)
     pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
     ioctl(fd, PPRELEASE);
+#endif
     close(fd);
     qemu_chr_be_event(chr, CHR_EVENT_CLOSED);
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
-    defined(__DragonFly__)
-    /* FIXME: close fd? */
-#endif
 }
 
 static const TypeInfo char_parallel_type_info = {
@@ -315,5 +306,3 @@ static void register_types(void)
 }
 
 type_init(register_types);
-
-#endif

chardev/meson.build

@@ -14,9 +14,12 @@ chardev_ss.add(files(
 ))
 chardev_ss.add(when: 'CONFIG_POSIX', if_true: [files(
   'char-fd.c',
-  'char-parallel.c',
   'char-pty.c',
 ), util])
+if targetos in ['linux', 'gnu/kfreebsd', 'freebsd', 'dragonfly']
+  chardev_ss.add(files('char-parallel.c'))
+endif
+
 chardev_ss.add(when: 'CONFIG_WIN32', if_true: files(
   'char-console.c',
   'char-win-stdio.c',

include/qemu/osdep.h

@@ -427,11 +427,6 @@ void qemu_anon_ram_free(void *ptr, size_t size);
 #define HAVE_CHARDEV_SERIAL 1
 #endif
 
-#if defined(__linux__) || defined(__FreeBSD__) ||               \
-    defined(__FreeBSD_kernel__) || defined(__DragonFly__)
-#define HAVE_CHARDEV_PARPORT 1
-#endif
-
 #if defined(__HAIKU__)
 #define SIGIO SIGPOLL
 #endif