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(child_info_spawn::nchildren): Rename from nprocs. (child_info_spawn::children): Change type to cchildren for more bookkeeping possibilities. (child_info_spawn::child_info_spawn): Clear nchildren. (child_info_spawn::record_children): Declare new function. (child_info_spawn::reattach_children): Ditto. * dcrt0.cc (child_info_spawn::handle_spawn): Call reattach_children to gather list of processes we are potentially waiting for. * pinfo.h (pinfo::pinfo): Make sure that rd_proc_pipe is always cleared. (pinfo::reattach): New function. * sigproc.cc: Move pinfo.h earlier so that it can be used in sigproc.h. (get_proc_lock): Don't bother with a lock during DLL initialization. (proc_subproc): Handle PROC_REATTACH_CHILD. (proc_terminate): Orphan children only when we are not an execed process or when the pid is about to be occupied by a non-cygwin process. (child_info_spawn::record_children): Define new function. (child_info_spawn::reattach_children): Ditto. * sigproc.h (procstuff): Define PROC_REATTACH_CHILD and renumber other elements. * spawn.cc (spawn_guts): Record any to-be-waited-for subprocesses if about to exec a cygwin process. * sigproc.cc (sig_send): Fix harmless transposition of fifth and six arguments to DuplicateHandle(). (child_info::child_info): Ditto. * globals.cc (hExeced): Make NO_COPY.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS 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 http://cygwin.com You might especially be interested in http://cygwin.com/faq/faq.programming.html#faq.programming.building-cygwin