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- /* Copyright (C) 1992 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>
-