diff options
Diffstat (limited to 'winsup/cygwin/spawn.cc')
| -rw-r--r-- | winsup/cygwin/spawn.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index 992bad1ab..e7d25e976 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -912,7 +912,8 @@ spawn_guts (const char * prog_arg, const char *const *argv, break; case _P_WAIT: case _P_SYSTEM: - waitpid (cygpid, (int *) &res, 0); + if (waitpid (cygpid, (int *) &res, 0) != cygpid) + res = -1; break; case _P_DETACH: res = 0; /* Lose all memory of this child. */ |