Changes in libcfa/src/bits/signal.hfa [8a13c47:58b6d1b]

File:

• libcfa/src/bits/signal.hfa (modified) (2 diffs)

libcfa/src/bits/signal.hfa

@@ -37 +37 @@
 
         act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler;
-        sigemptyset( &act.sa_mask );
-        sigaddset( &act.sa_mask, SIGALRM );             // disabled during signal handler
-        sigaddset( &act.sa_mask, SIGUSR1 );
-        sigaddset( &act.sa_mask, SIGSEGV );
-        sigaddset( &act.sa_mask, SIGBUS );
-        sigaddset( &act.sa_mask, SIGILL );
-        sigaddset( &act.sa_mask, SIGFPE );
-        sigaddset( &act.sa_mask, SIGHUP );              // revert to default on second delivery
-        sigaddset( &act.sa_mask, SIGTERM );
-        sigaddset( &act.sa_mask, SIGINT );
         act.sa_flags = flags;
 
-        if ( sigaction( sig, &act, 0p ) == -1 ) {
+        if ( sigaction( sig, &act, NULL ) == -1 ) {
                 __cfaabi_dbg_print_buffer_decl(
                         " __cfaabi_sigaction( sig:%d, handler:%p, flags:%d ), problem installing signal handler, error(%d) %s.\n",
@@ -55 +45 @@
                 );
                 _exit( EXIT_FAILURE );
-        } // if
+        }
 }
+
+// Sigaction wrapper : restore default handler
+static void __cfaabi_sigdefault( int sig ) {
+        struct sigaction act;
+
+        act.sa_handler = SIG_DFL;
+        act.sa_flags = 0;
+        sigemptyset( &act.sa_mask );
+
+        if ( sigaction( sig, &act, NULL ) == -1 ) {
+                __cfaabi_dbg_print_buffer_decl(
+                        " __cfaabi_sigdefault( sig:%d ), problem reseting signal handler, error(%d) %s.\n",
+                        sig, errno, strerror( errno )
+                );
+                _exit( EXIT_FAILURE );
+        }
+}