1 files changed, 17 insertions, 1 deletions
diff --git a/src/system.c b/src/system.c
index cff4f54..9a9a80e 100644
--- a/src/system.c
+++ b/src/system.c
@@ -5,6 +5,7 @@
 #include "stdio.h"
 #include "unistd.h"
 #include "string.h"
+#include "signal.h"
 
 #include "types.h"
 
@@ -20,7 +21,7 @@ err e33_ioctl( Size fd, unsigned long req, void *arg )
   return ret;
 }
 
-boolean strcomp( String s1, String s2 )
+boolean e33_strcmp( String s1, String s2 )
 {
   while( (*s1 != '\0') && (*s2 != '\0') )
   {
@@ -32,3 +33,18 @@ boolean strcomp( String s1, String s2 )
   return E33_TRUE;
 }
 
+err e33_has_signal(Size signo)
+{
+  struct sigaction sact = {0};
+  sigaction(signo, 0, &sact);
+  return sact.sa_handler != 0;
+}
+
+err e33_set_signal(Size signo, void(*sig_handler)(int))
+{
+  struct sigaction sact = {0};
+  sact.sa_handler = sig_handler;
+  sigemptyset(&sact.sa_mask);
+  sact.sa_flags = SA_RESTART;
+  return sigaction(signo, &sact, NULL);
+}