Changes in / [1f951abd:997324c]

Files:

• libcfa/src/interpose.cfa (modified) (4 diffs)
• libcfa/src/interpose_thread.cfa (modified) (2 diffs)
• src/InitTweak/FixInitNew.cpp (modified) (2 diffs)

libcfa/src/interpose.cfa

@@ -10 +10 @@
 // Created On       : Wed Mar 29 16:10:31 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Thu Mar  2 13:56:26 2023
-// Update Count     : 191
+// Last Modified On : Fri Feb 24 15:31:03 2023
+// Update Count     : 185
 //
 
@@ -53 +53 @@
 
 static generic_fptr_t interpose_symbol( const char symbol[], const char version[] ) {
-        void * library;
-        #if defined( RTLD_NEXT )
-        library = RTLD_NEXT;
-        #else
-        library = dlopen( "libc.so.6", RTLD_LAZY );
+        static void * library;
+        static void * pthread_library;
+
         if ( ! library ) {
+                library = dlopen( "libc.so.6", RTLD_LAZY );
                 const char * error = dlerror();
                 if ( error ) {
@@ -64 +63 @@
                 } // if
         } // if
-        #endif
+        if ( ! pthread_library ) {
+                pthread_library = dlopen( "libpthread.so", RTLD_LAZY );
+                const char * error = dlerror();
+                if ( error ) {
+                        abort( "interpose_symbol : failed to open libpthread, %s\n", error );
+                } // if
+        } // if
 
         return do_interpose_symbol(library, symbol, version);
@@ -103 +108 @@
 
                 if(__cfathreadabi_interpose_startup) __cfathreadabi_interpose_startup( do_interpose_symbol );
-
-                // SKULLDUGGERY: In Ubuntu 22.04, someone augmented signal.h to allow SIGSTKSZ to be "sysconf(_SC_SIGSTKSZ)" in
-                // sigstksz.h, as well as 8192 in sigstack.h. HOWEVER, they forgot to provide a mechanism to tell signal.h to
-                // use sigstack.h rather than sigstksz.h. (I'm not happy.) By undefining _GNU_SOURCE before signal.h and
-                // redefining it afterwards, you can get 8192, but then nothing works correctly inside of signal.h without
-                // _GNU_SOURCE defined.  So what is needed is a way to get signal.h to use sigstack.h WITH _GNU_SOURCE defined.
-                // Basically something is wrong with features.h and its use in signal.h.
-
-                #undef SIGSTKSZ
-                #define SIGSTKSZ 8192
 
                 // As a precaution (and necessity), errors that result in termination are delivered on a separate stack because

libcfa/src/interpose_thread.cfa

@@ -39 +39 @@
         const char version[]
 ) libcfa_public {
-        void * library;
-        #if defined( RTLD_NEXT )
-        library = RTLD_NEXT;
-        #else
-        // missing RTLD_NEXT => must hard-code library name, assuming libstdc++
-        library = dlopen( "libthread_db.so", RTLD_LAZY );
+        static void * library;
         if ( ! library ) {
+                library = dlopen( "libpthread.so", RTLD_LAZY );
                 const char * error = dlerror();
                 if ( error ) {
@@ -51 +47 @@
                 }
         } // if
-        #endif // RTLD_NEXT
 
         return do_interpose_symbol(library, symbol, version);

src/InitTweak/FixInitNew.cpp

@@ -522 +522 @@
         {
                 static UniqueName tempNamer("_tmp_cp");
+                assert( env );
                 const CodeLocation loc = impCpCtorExpr->location;
                 // CP_CTOR_PRINT( std::cerr << "Type Substitution: " << *env << std::endl; )
@@ -533 +534 @@
 
                 // xxx - this originally mutates arg->result in place. is it correct?
-                assert( env );
                 result = env->applyFree( result.get() ).node;
                 auto mutResult = result.get_and_mutate();