api changed: enable/disable_os_io returns error-code (or zero if ok) and pciconfig_read exported for mga_vid

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4175 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 8 insertions, 5 deletions

diff --git a/libdha/sysdep/pci_netbsd.c b/libdha/sysdep/pci_netbsd.c
index 19fa771fbd..793944beba 100644
--- a/libdha/sysdep/pci_netbsd.c
+++ b/libdha/sysdep/pci_netbsd.c
@@ -3,6 +3,7 @@
    $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $
    Modified for readability by Nick Kurshev
 */
+#include <errno.h>
 #include <sys/param.h>
 #include <sys/file.h>
 #include <machine/sysarch.h>
@@ -12,30 +13,32 @@
 
 static int io_fd;
 
-static __inline__ void enable_os_io(void)
+static __inline__ int enable_os_io(void)
 {
     io_fd = -1 ;
 #if !defined(USE_I386_IOPL)
     if ((io_fd = open("/dev/io", O_RDWR, 0)) < 0) {
 	perror("/dev/io");
-	exit(1);
+	return(errno);
     }
 #else
     if (i386_iopl(1) < 0) {
 	perror("i386_iopl");
-	exit(1);
+	return(errno);
     }
 #endif /* USE_I386_IOPL */
+    return(0);
 }
 
-static __inline__ void disable_os_io(void)
+static __inline__ int disable_os_io(void)
 {
 #if !defined(USE_I386_IOPL)
     close(io_fd);
 #else
     if (i386_iopl(0) < 0) {
 	perror("i386_iopl");
-	exit(1);
+	return(errno);
     }
 #endif /* NetBSD1_1 */
+    return(0);
 }