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Even for the main executable and cygwin1.dll store the file name as full NT path. Create the child process using the main executable's file name converted from the full NT path stored before. * dll_init.cc (dll_list::alloc): Search for DLL_SELF type entry with module name like for DLL_LINK, use full NT path to search for DLL_LOAD type only. For DLL_SELF type do not indicate having a destructor to be called. (dll_list::find): Ignore DLL_SELF type entries. (dll_list::init): Ditto. Call track_self method. (dll_list::track_self): New. (dll_list::load_after_fork): Call track_self method. * dll_init.h (enum dll_type): Add DLL_SELF, for the main executable and cygwin1.dll. (struct dll_list): Declare private method track_self. Declare member variable main_executable. * fork.cc (frok::parent): Use ntname from dlls.main_executable to create child process, converted to short path using dll_list::buffered_shortname.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cygwin documentation is available on the net at https://cygwin.com You might especially be interested in https://cygwin.com/faq/faq.html#faq.programming.building-cygwin