system() returns -1, errno=10 when logged into Oracle

Question

After an EXEC SQL CONNECT user/pass; command, system(\"\") returns a -1 with errno=10.

We\'ve migrated this program from Oracle 10g on HP-UX to

Answer 1

This is Oracle being awful. They've installed a SIGCHLD handler that reaps any child process that exits, breaking any use of child processes in the application. You can probably fix it by calling signal(SIGCHLD,SIG_DFL) after connecting to uninstall their nonsense.