1 files changed, 40 insertions, 0 deletions

diff --git a/sig_block.c b/sig_block.c
new file mode 100644
index 0000000..c6b096a
--- /dev/null
+++ b/sig_block.c
@@ -0,0 +1,40 @@
+#include <signal.h>
+#include "sig.h"
+#include "hassgprm.h"
+
+void sig_block(sig)
+int sig;
+{
+#ifdef HASSIGPROCMASK
+  sigset_t ss;
+  sigemptyset(&ss);
+  sigaddset(&ss,sig);
+  sigprocmask(SIG_BLOCK,&ss,(sigset_t *) 0);
+#else
+  sigblock(1 << (sig - 1));
+#endif
+}
+
+void sig_unblock(sig)
+int sig;
+{
+#ifdef HASSIGPROCMASK
+  sigset_t ss;
+  sigemptyset(&ss);
+  sigaddset(&ss,sig);
+  sigprocmask(SIG_UNBLOCK,&ss,(sigset_t *) 0);
+#else
+  sigsetmask(sigsetmask(~0) & ~(1 << (sig - 1)));
+#endif
+}
+
+void sig_blocknone()
+{
+#ifdef HASSIGPROCMASK
+  sigset_t ss;
+  sigemptyset(&ss);
+  sigprocmask(SIG_SETMASK,&ss,(sigset_t *) 0);
+#else
+  sigsetmask(0);
+#endif
+}