X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fui%2Fdebugger.c;h=f3f678461f932f14074ee7f5d093b34d8250adfe;hb=refs%2Fbuilds%2F20101126030502%2Fpspp;hp=7d7b0cce5845249c0b85aeb76dd06f7f1a9fc9e8;hpb=164d1274fcb70c54897f2a03fc7c27152ed4821a;p=pspp
diff --git a/src/ui/debugger.c b/src/ui/debugger.c
index 7d7b0cce58..f3f678461f 100644
--- a/src/ui/debugger.c
+++ b/src/ui/debugger.c
@@ -1,23 +1,24 @@
-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
Copyright (C) 2006 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see . */
#include
+#include "debugger.h"
+
+#if HAVE_FORK && HAVE_EXECLP
#include
#include
#include
@@ -25,14 +26,10 @@
#include
#include
-
-#include "debugger.h"
-
-/* Fork, start gdb and connect to the parent process.
+/* Fork, start gdb and connect to the parent process.
If that happens successfully, then this function does not return,
but exits with EXIT_FAILURE. Otherwise it returns.
*/
-
void
connect_debugger (void)
{
@@ -41,12 +38,12 @@ connect_debugger (void)
snprintf (pidstr, 20, "%d", getpid ());
pid = fork ();
- if ( pid == -1 )
+ if ( pid == -1 )
{
perror ("Cannot fork");
return ;
}
- if ( pid == 0 )
+ if ( pid == 0 )
{
/* child */
execlp ("gdb", "gdb", "-p", pidstr, NULL);
@@ -57,10 +54,19 @@ connect_debugger (void)
{
int status;
wait (&status);
- if ( EXIT_SUCCESS != WEXITSTATUS (status) )
+ if ( EXIT_SUCCESS != WEXITSTATUS (status) )
return ;
}
-
+
exit (EXIT_FAILURE);
}
+#else /* !(HAVE_FORK && HAVE_EXECLP) */
+/* Don't know how to connect to gdb.
+ Just return.
+ */
+void
+connect_debugger (void)
+{
+}
+#endif /* !(HAVE_FORK && HAVE_EXECLP) */