Fix the problem in popen that makes correct vfork semantics fail. Specifically, popen modifies a variable "pdes[1]" in the child in such a way that it breaks code in the parent (due to the address space sharing.)
Fix the problem in popen that makes correct vfork semantics fail.
Specifically, popen modifies a variable "pdes[1]" in the child
in such a way that it breaks code in the parent (due to the address
space sharing.)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase