Changeset 8a13c47 for libcfa/src/bits/signal.hfa

Timestamp:

Jan 30, 2020, 10:59:12 PM (3 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

6f302cd

Parents:

052dfc3

Message:

restructure errors invoking signal handlers and handled by abort

File:

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

libcfa/src/bits/signal.hfa

@@ -40 +40 @@
         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, NULL ) == -1 ) {
+        if ( sigaction( sig, &act, 0p ) == -1 ) {
                 __cfaabi_dbg_print_buffer_decl(
                         " __cfaabi_sigaction( sig:%d, handler:%p, flags:%d ), problem installing signal handler, error(%d) %s.\n",
@@ -48 +55 @@
                 );
                 _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 );
-        }
-}