1 files changed, 61 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/ultrix4/sysconf.c b/sysdeps/unix/bsd/ultrix4/sysconf.c
new file mode 100644
index 0000000000..a9f3c5bbbe
--- /dev/null
+++ b/sysdeps/unix/bsd/ultrix4/sysconf.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 1992, 1995 Free Software Foundation, Inc.
+   Contributed by Ian Lance Taylor (ian@airs.com).
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* On Ultrix we can use the getsysinfo call to get the right return
+   value for _SC_CHILD_MAX.  Everything else is from <sys/param.h>,
+   which the default sysconf already knows how to handle.  */
+
+#include <ansidecl.h>
+#include <unistd.h>
+#include <errno.h>
+
+/* This is an Ultrix header file.  */
+#include <sys/sysinfo.h>
+
+extern int EXFUN(__getsysinfo, (unsigned int op, void *buffer,
+				size_t nbytes, int *start,
+				void *arg));
+extern long int EXFUN(__default_sysconf, (int name));
+
+long int
+DEFUN(__sysconf, (name), int name)
+{
+  if (name == _SC_CHILD_MAX)
+    {
+      int save = errno;
+      int start = 0;
+      int ret;
+
+      /* getsysinfo returns the number of values it put into the
+	 buffer, or 0 if not available, or -1 on error.  */
+      if (__getsysinfo (GSI_MAX_UPROCS, &ret, sizeof (ret), &start,
+			(void *) 0) > 0)
+	{
+	  errno = save;
+	  return ret;
+	}
+
+      errno = save;
+    }
+
+  return __default_sysconf (name);
+}
+
+#define __sysconf __default_sysconf
+
+#include <sysdeps/posix/sysconf.c>