Changeset 8a13c47 for libcfa/src/bits

Timestamp:

Jan 30, 2020, 10:59:12 PM (6 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, 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

Location:

libcfa/src/bits

Files:

• defs.hfa (modified) (2 diffs)
• signal.hfa (modified) (2 diffs)

libcfa/src/bits/defs.hfa

@@ -10 +10 @@
 // Created On       : Thu Nov  9 13:24:10 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Feb  8 16:22:41 2018
-// Update Count     : 8
+// Last Modified On : Tue Jan 28 22:38:27 2020
+// Update Count     : 9
 //
 
@@ -34 +34 @@
 
 #ifdef __cforall
-void abort ( const char fmt[], ... ) __attribute__ (( format(printf, 1, 2), __nothrow__, __leaf__, __noreturn__ ));
+void abort( const char fmt[], ... ) __attribute__ (( format(printf, 1, 2), __nothrow__, __leaf__, __noreturn__ ));
+void abort( bool signalAbort, const char fmt[], ... ) __attribute__ (( format(printf, 2, 3), __nothrow__, __leaf__, __noreturn__ ));
 extern "C" {
 #endif

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 );
-        }
-}