diff options
Diffstat (limited to 'winsup/cygwin/spawn.cc')
| -rw-r--r-- | winsup/cygwin/spawn.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index 74c5fa40c..bd0ec177f 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -554,8 +554,17 @@ child_info_spawn::worker (const char *prog_arg, const char *const *argv, __stdout = in__stdout; record_children (); - si.lpReserved2 = (LPBYTE) this; - si.cbReserved2 = sizeof (*this); + /* Don't propagate the child_info_spawn structure to the process if it + hasn't been recognized as a Cygwin executable. This also covers Cygwin + executables of a different target (32 vs. 64 bit). Native processes + usually still work, even if lpReserved2 contains garbage from their + point of view, but Cygwin processes of different bitsize will recognize + it as Cygwin info and get all excited about the differences. */ + if (real_path.iscygexec ()) + { + si.lpReserved2 = (LPBYTE) this; + si.cbReserved2 = sizeof (*this); + } /* Depends on set call above. Some file types might need extra effort in the parent after CreateProcess |