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, 6 insertions, 4 deletions

diff --git a/libdha/sysdep/pci_os2.c b/libdha/sysdep/pci_os2.c
index 4f0df53b30..ddfc0c0ea6 100644
--- a/libdha/sysdep/pci_os2.c
+++ b/libdha/sysdep/pci_os2.c
@@ -8,7 +8,7 @@
 
 static USHORT callgate[3] = {0,0,0};
 
-static __inline__ void enable_os_io(void)
+static __inline__ int enable_os_io(void)
 {
 	HFILE hfd;
 	ULONG dlen,action;
@@ -21,7 +21,7 @@ static __inline__ void enable_os_io(void)
 	   (ULONG)0) != 0) {
 		fprintf(stderr,"Error opening fastio$ driver...\n");
 		fprintf(stderr,"Please install xf86sup.sys in config.sys!\n");
-		exit(42);
+		return(42);
 	}
 	callgate[0] = callgate[1] = 0;
  
@@ -34,7 +34,7 @@ static __inline__ void enable_os_io(void)
 		fprintf(stderr,"xf86-OS/2: EnableIOPorts failed, rc=%d, dlen=%d; emergency exit\n",
 			rc,dlen);
 		DosClose(hfd);
-		exit(42);
+		return(42);
 	}
  
 /* Calling callgate with function 13 sets IOPL for the program */
@@ -45,9 +45,11 @@ static __inline__ void enable_os_io(void)
 			: "eax","ebx","ecx","edx","cc");
  
         DosClose(hfd);
+	return(0);
 }
 
-static __inline__ void disable_os_io(void)
+static __inline__ int disable_os_io(void)
 {
 /* Nothing to do */
+        return(0);
 }