diff options
| -rw-r--r-- | indra/llcommon/llprocess.cpp | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/indra/llcommon/llprocess.cpp b/indra/llcommon/llprocess.cpp index 1e27f8ce1d..8611d67f25 100644 --- a/indra/llcommon/llprocess.cpp +++ b/indra/llcommon/llprocess.cpp @@ -207,7 +207,26 @@ void LLProcess::launch(const LLSDOrParams& params) const char * working_directory = 0; if (! cwd.empty()) working_directory = cwd.c_str(); - if( ! CreateProcessA( NULL, &args2[0], NULL, NULL, FALSE, 0, NULL, working_directory, &sinfo, &pinfo ) ) + + // It's important to pass CREATE_BREAKAWAY_FROM_JOB because Windows 7 et + // al. tend to implicitly launch new processes already bound to a job. From + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms681949%28v=vs.85%29.aspx : + // "The process must not already be assigned to a job; if it is, the + // function fails with ERROR_ACCESS_DENIED." ... + // "If the process is being monitored by the Program Compatibility + // Assistant (PCA), it is placed into a compatibility job. Therefore, the + // process must be created using CREATE_BREAKAWAY_FROM_JOB before it can + // be placed in another job." + if( ! CreateProcessA(NULL, // lpApplicationName + &args2[0], // lpCommandLine + NULL, // lpProcessAttributes + NULL, // lpThreadAttributes + FALSE, // bInheritHandles + CREATE_BREAKAWAY_FROM_JOB, // dwCreationFlags + NULL, // lpEnvironment + working_directory, // lpCurrentDirectory + &sinfo, // lpStartupInfo + &pinfo ) ) // lpProcessInformation { throw LLProcessError(WindowsErrorString("CreateProcessA")); } @@ -225,7 +244,7 @@ void LLProcess::launch(const LLSDOrParams& params) if (params.autokill) { LLJob::instance().assignProcess(mDesc, mProcessHandle); - } +} } LLProcess::handle LLProcess::isRunning(handle h, const std::string& desc) @@ -287,7 +306,7 @@ static std::string WindowsErrorString(const std::string& operation) } /***************************************************************************** -* Non-Windows specific +* Posix specific *****************************************************************************/ #else // Mac and linux @@ -444,4 +463,4 @@ void LLProcess::reap(void) } |*==========================================================================*/ -#endif +#endif // Posix |