diff options
Diffstat (limited to 'bits/sigaction.h')
| -rw-r--r-- | bits/sigaction.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/bits/sigaction.h b/bits/sigaction.h index e89479bd1c..4499517b1a 100644 --- a/bits/sigaction.h +++ b/bits/sigaction.h @@ -16,6 +16,10 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#ifndef _SIGNAL_H +# error "Never include <bits/sigaction.h> directly; use <signal.h> instead." +#endif + /* These definitions match those used by the 4.4 BSD kernel. If the operating system has a `sigaction' system call that correctly implements the POSIX.1 behavior, there should be a system-dependent |