SEI CERT C Coding Standard

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Code Block
bgColor#ccccff
void handler(int signum) {
#ifndef WINDOWS
  signal(signum, SIG_DFL);
#endif
  /* handle signal */
}
/* ... */
signal(signumSIGUSR1, handler);

Not all systems have persistent signal handlers (see SIG01-A. Understand implementation-specific details regarding signal handler persistence).

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