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When a write() writes on a broken pipe, with no readers, it generates a SIGPIPE signal and the process exits.

When the write() returns -1 and errno is EPIPE?
Do I have an handler for SIGPIPE, or...

The parameter you have to use is simply argv[1], not &(argv[1]) .

argv[1] is just a pointer, and so it can be a char* .

Thank you for the reply!

But if so, then I've another question: does it make sense to block a signal, if the arrival of this signal aborts the system call anyway?

If I explicity ignore a signal (for example, SIGALRM), and this signal is generated during a blocking system call (for example, a recvfrom() ), what happens to the system call?
Does it abort, or...

This is the situation.

I wrote a very simple and small program that closes its standard output and redirects it on a file.

Another program (called "analyzer" in the previous post) does some...

I have a program (written by me, for educational purposes) called "analyzer".

The program takes a parameter, a filename, and does some statistics on it (for example, word's number, line's number,...