7 #ifndef CRYPTOPP_OS_SIGNAL_H
8 #define CRYPTOPP_OS_SIGNAL_H
12 #if defined(UNIX_SIGNALS_AVAILABLE)
20 #if defined(UNIX_SIGNALS_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
53 template <
int S,
bool O=false>
73 struct sigaction new_handler;
79 ret = sigaction (S, 0, &m_old);
83 if (m_old.sa_handler != 0 && !O)
break;
85 #if defined __CYGWIN__
87 memset(&new_handler, 0x00,
sizeof(new_handler));
89 ret = sigemptyset (&new_handler.sa_mask);
94 new_handler.sa_flags = (pfn ? flags : 0);
97 ret = sigaction (S, &new_handler, 0);
108 sigaction (S, &m_old, 0);
112 struct sigaction m_old;
124 #endif // CRYPTOPP_OS_SIGNAL_H