Does any function from the exec family in unix not ignore SIGINT?

Yeah. Ignoring SIGINT is a behavior specific to system(). If you roll your own system() using fork() and execl(), you won't get that.

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Exec signals link|improve this question edited Feb 24 '09 at 13:10George Stocker22.7k1156117 asked Feb 24 '09 at 13:01Jon.

Yeah. Ignoring SIGINT is a behavior specific to system(). If you roll your own system() using fork() and execl(), you won't get that.

Of course, unless you're really careful you're going to make zombies.

Not sure about the zombie comment - if the parent ignores the SIGCHLD signal, no zombies will be created. Also, the process can wait for its child (or children) to die, just like system() does - or it can run asynchronously with the child running at the same time. – Jonathan Leffler Feb 27 '09 at 8:22 Those options are pretty much what I mean by "being really careful".

:) – chaos Feb 27 '09 at 16:39.

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