Adding upstream version 1.21.3.upstream/1.21.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/os2-spawn.h b/lib/os2-spawn.h
new file mode 100644
index 0000000..8675a10
--- /dev/null
+++ b/lib/os2-spawn.h
@@ -0,0 +1,33 @@
+/* Auxiliary functions for the creation of subprocesses.  OS/2 kLIBC API.
+   Copyright (C) 2001, 2003-2022 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2003.
+
+   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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _OS2_SPAWN_H
+#define _OS2_SPAWN_H
+
+/* Duplicates a file handle, making the copy uninheritable and ensuring the
+   result is none of STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO.
+   Returns -1 for a file handle that is equivalent to closed.  */
+extern int dup_safer_noinherit (int fd);
+
+/* Undoes the effect of TEMPFD = dup_safer_noinherit (ORIGFD);  */
+extern void undup_safer_noinherit (int tempfd, int origfd);
+
+/* Prepares an argument vector before calling spawn().  */
+extern const char ** prepare_spawn (const char * const *argv,
+                                    char **mem_to_free);
+
+#endif /* _OS2_SPAWN_H */