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src/os/posix/vm/os_posix.cpp

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rev 13094 : 8182034: os::Posix::is_valid_signal() should, if it uses sigaddset, initialize the signal set
Reviewed-by:
*** 758,767 ****
--- 758,768 ----
  #ifdef __APPLE__
    return sig >= 1 && sig < NSIG;
  #else
    // Use sigaddset to check for signal validity.
    sigset_t set;
+   sigemptyset(&set);
    if (sigaddset(&set, sig) == -1 && errno == EINVAL) {
      return false;
    }
    return true;
  #endif
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