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Annotation of quake1/xf86dga.c, revision 1.1

1.1     ! root        1: #include <X11/Intrinsic.h>
        !             2: #include <X11/Shell.h>
        !             3: #include <X11/StringDefs.h>
        !             4: #include <X11/Xatom.h>
        !             5: #include <X11/Xaw/Form.h>
        !             6: #include <X11/Xaw/Scrollbar.h>
        !             7: #include <X11/Xaw/Label.h>
        !             8: #include <X11/Xaw/Command.h>
        !             9: #include <X11/Xaw/AsciiText.h>
        !            10: #include <X11/Xaw/Box.h>
        !            11: #include <X11/Xaw/Toggle.h>
        !            12: #include <X11/Xmu/StdSel.h>
        !            13: #include <X11/Xmd.h>
        !            14: #include <X11/extensions/xf86vmode.h>
        !            15: #include <stdlib.h>
        !            16: #include <stdio.h>
        !            17: #include <sys/fcntl.h>
        !            18: #include <sys/mman.h>
        !            19: 
        !            20: 
        !            21: XF86VidModeGetVideo(dis, screen, addr, width, bank, ram)
        !            22: Display *dis;
        !            23: int screen;
        !            24: char **addr;
        !            25: int *width, *bank, *ram;
        !            26: {
        !            27:    int offset, fd;
        !            28:    int pid, status;
        !            29: 
        !            30:    XF86VidModeGetVideoLL(dis, screen , &offset, width, bank, ram);
        !            31: 
        !            32: 
        !            33:    if ((fd = open("/dev/mem", O_RDWR)) < 0)
        !            34:    {
        !            35:         fprintf(stderr, "XF86VidModeGetVideo: failed to open /dev/mem (%s)\n",
        !            36:                            strerror(errno));
        !            37:         exit (0);
        !            38:    }
        !            39: 
        !            40:    /* This requirers linux-0.99.pl10 or above */
        !            41:    *addr = (void *)mmap(NULL, *bank, PROT_READ|PROT_WRITE,
        !            42:                              MAP_SHARED, fd, (off_t)offset);
        !            43:    if (pid = fork()) {
        !            44:         Display *disp;
        !            45:        waitpid(pid, &status, 0);
        !            46:        disp = XOpenDisplay(NULL);
        !            47:        XF86VidModeDirectVideo(disp, screen, False);
        !            48:        XAutoRepeatOn(dis);
        !            49:        XSync(disp,False);
        !            50:        _exit(0);
        !            51:    }
        !            52: }

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