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Annotation of quake1/xf86dga.c, revision 1.1.1.1

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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