diff options
Diffstat (limited to 'nxcomp/Loop.cpp')
| -rw-r--r-- | nxcomp/Loop.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/nxcomp/Loop.cpp b/nxcomp/Loop.cpp index 14e5ee795..6fd772912 100644 --- a/nxcomp/Loop.cpp +++ b/nxcomp/Loop.cpp @@ -4250,6 +4250,39 @@ int SetupDisplaySocket(int &xServerAddrFamily, sockaddr *&xServerAddr, // where the socket will be created. // + // Try abstract X11 socket first (via a test connect), if that fails + // fall back to Unix domain socket file. + + #ifdef __linux__ + int testSocketFD; + testSocketFD = socket(xServerAddrFamily, SOCK_STREAM, PF_UNSPEC); + + int len = sprintf(unixSocketName + 1, "/tmp/.X11-unix/X%d", xPort); + unixSocketName[0] = '\0'; + + sockaddr_un *xServerAddrABSTRACT = new sockaddr_un; + memset(xServerAddrABSTRACT, 0, xServerAddrLength); + xServerAddrABSTRACT -> sun_family = AF_UNIX; + memcpy(xServerAddrABSTRACT -> sun_path, unixSocketName, len+1); + xServerAddrLength = len +3; + + int ret = connect(testSocketFD, (struct sockaddr *) xServerAddrABSTRACT, xServerAddrLength); + if (ret == 0) { + + cerr << "Info" << ": Using abstract X11 socket in kernel namespace " + << "for accessing DISPLAY=:" << xPort << ".\n"; + + close(testSocketFD); + xServerAddr = (sockaddr *) xServerAddrABSTRACT; + return 1; + + } else { + + cerr << "Info" << ": Falling back to file system X11 socket " + << "for accessing DISPLAY=:" << xPort << ".\n"; + + #endif + struct stat statInfo; char unixSocketDir[DEFAULT_STRING_LENGTH]; @@ -4322,6 +4355,11 @@ int SetupDisplaySocket(int &xServerAddrFamily, sockaddr *&xServerAddr, xServerAddr = (sockaddr *) xServerAddrUNIX; xServerAddrLength = sizeof(sockaddr_un); + + #ifdef __linux__ + + } + #endif } else { |