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-rw-r--r--contrib/diff/lib/waitpid.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/contrib/diff/lib/waitpid.c b/contrib/diff/lib/waitpid.c
deleted file mode 100644
index bc0789820031..000000000000
--- a/contrib/diff/lib/waitpid.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Emulate waitpid on systems that just have wait.
- Copyright (C) 1994, 1995, 1998, 1999 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, 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.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING.
- If not, write to the Free Software Foundation,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#define WAITPID_CHILDREN 8
-static pid_t waited_pid[WAITPID_CHILDREN];
-static int waited_status[WAITPID_CHILDREN];
-
-pid_t
-waitpid (pid_t pid, int *stat_loc, int options)
-{
- int i;
- pid_t p;
-
- if (!options && (pid == -1 || 0 < pid))
- {
- /* If we have already waited for this child, return it immediately. */
- for (i = 0; i < WAITPID_CHILDREN; i++)
- {
- p = waited_pid[i];
- if (p && (p == pid || pid == -1))
- {
- waited_pid[i] = 0;
- goto success;
- }
- }
-
- /* The child has not returned yet; wait for it, accumulating status. */
- for (i = 0; i < WAITPID_CHILDREN; i++)
- if (! waited_pid[i])
- {
- p = wait (&waited_status[i]);
- if (p < 0)
- return p;
- if (p == pid || pid == -1)
- goto success;
- waited_pid[i] = p;
- }
- }
-
- /* We cannot emulate this wait call, e.g. because of too many children. */
- errno = EINVAL;
- return -1;
-
-success:
- if (stat_loc)
- *stat_loc = waited_status[i];
- return p;
-}