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-rw-r--r--src/include/skalibs/sig.h1
-rw-r--r--src/libstddjb/sig_altignore.c15
2 files changed, 16 insertions, 0 deletions
diff --git a/src/include/skalibs/sig.h b/src/include/skalibs/sig.h
index ccf5dac..1385756 100644
--- a/src/include/skalibs/sig.h
+++ b/src/include/skalibs/sig.h
@@ -14,6 +14,7 @@ typedef sig_func *sig_func_ref ;
extern int sig_catch (int, sig_func_ref) ;
#define sig_restore(sig) sig_catch((sig), SIG_DFL)
#define sig_ignore(sig) sig_catch((sig), SIG_IGN)
+extern int sig_altignore (int) ;
extern void sig_restoreto (sigset_t const *, unsigned int) ;
diff --git a/src/libstddjb/sig_altignore.c b/src/libstddjb/sig_altignore.c
new file mode 100644
index 0000000..304d6f8
--- /dev/null
+++ b/src/libstddjb/sig_altignore.c
@@ -0,0 +1,15 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <skalibs/sig.h>
+
+static void sig_nop (int sig)
+{
+ (void)sig ;
+}
+
+int sig_altignore (int sig)
+{
+ return sig_catch(sig, &sig_nop) ;
+}