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, 7 insertions, 3 deletions

diff --git a/libdha/sysdep/pci_mach386.c b/libdha/sysdep/pci_mach386.c
index 32e2a657ff..31621862b8 100644
--- a/libdha/sysdep/pci_mach386.c
+++ b/libdha/sysdep/pci_mach386.c
@@ -4,18 +4,22 @@
    Modified for readability by Nick Kurshev
 */
 
+#include <errno.h>
+
 static int io_fd;
 
-static __inline__ void enable_os_io(void)
+static __inline__ int enable_os_io(void)
 {
     io_fd = -1 ;
     if ((io_fd = open("/dev/iopl", O_RDWR, 0)) < 0) {
         perror("/dev/iopl");
-        exit(1);
+        return(errno);
     }
+    return(0);
 }
 
-static __inline__ void disable_os_io(void)
+static __inline__ int disable_os_io(void)
 {
     close(io_fd);
+    return(0);
 }