Backported fix for CORE-1558: Help people get core files in case of a…

…bort() on BUGCHECK

configure.in

@@ -435,7 +435,7 @@ AC_CHECK_HEADERS(aio.h)
 AC_CHECK_HEADERS(mntent.h mnttab.h sys/mntent.h sys/mnttab.h)
 AC_CHECK_HEADERS(sys/ipc.h sys/file.h)
 AC_CHECK_HEADERS(socket.h sys/socket.h sys/sockio.h winsock2.h)
-
+AC_CHECK_HEADERS(sys/resource.h)
 
 dnl Check for libraries
 AC_CHECK_LIB(dl, main)
@@ -513,6 +513,7 @@ if test "$ac_cv_func_getmntent" = "yes"; then
    AC_MSG_RESULT(yes)],
   [AC_MSG_RESULT(no)])
 fi
+AC_CHECK_FUNCS(setrlimit getrlimit)
 AC_CHECK_FUNCS(tcgetattr strdup)
 AC_CHECK_FUNCS(mkstemp)
 AC_CHECK_FUNCS(pthread_keycreate pthread_key_create)

src/jrd/err.cpp

@@ -33,6 +33,7 @@
 #include <stdarg.h>
 #include "gen/iberror.h"
 #include "../jrd/iberr.h"
+#include <errno.h>
 
 #if ( !defined( REQUESTER) && !defined( SUPERCLIENT))
 #include "../jrd/jrd.h"
@@ -54,6 +55,10 @@
 #include "../common/config/config.h"
 #include "../common/utils_proto.h"
 
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+
 using namespace Jrd;
 
 //#define JRD_FAILURE_SPACE	2048
@@ -553,7 +558,33 @@ void ERR_punt(void)
 			tdbb->tdbb_attachment->att_filename.c_str() : "Database unknown in ERR_punt on bugcheck",
 			tdbb->tdbb_status_vector);
  		if (Config::getBugcheckAbort())
+		{
+#if defined(UNIX) && defined(HAVE_SETRLIMIT) && defined(HAVE_GETRLIMIT)
+			// try to force core files creation
+			struct rlimit core;
+			if (getrlimit(RLIMIT_CORE, &core) == 0)
+			{
+				core.rlim_cur = core.rlim_max;
+				if (setrlimit(RLIMIT_CORE, &core) != 0)
+				{
+					gds__log("setrlimit() failed, errno=%d", errno);
+				}
+			}
+			else
+			{
+				gds__log("getrlimit() failed, errno=%d", errno);
+			}
+
+			// we need some writable directory for core file
+			// on any unix /tmp seems to be the best place
+			if (chdir("/tmp") != 0)
+			{
+				gds__log("chdir(/tmp) failed, errno=%d", errno);
+			}
+#endif
+
 			abort();
+		}
 	}
 
 	Firebird::status_exception::raise(tdbb->tdbb_status_vector);

src/remote/inet_server.cpp

@@ -280,7 +280,7 @@ int CLIB_ROUTINE server_main( int argc, char** argv)
 	set_signal(SIGUSR2, signal_handler);
 #endif
 
-#if defined(UNIX) && defined(DEV_BUILD)
+#if defined(UNIX) && defined(DEV_BUILD) && defined(HAVE_SETRLIMIT) && defined(HAVE_GETRLIMIT)
 	{
 		// try to force core files creation for DEV_BUILD
 		struct rlimit core;