From 0dcf66744f533e160232072bd03273ca1c448879 Mon Sep 17 00:00:00 2001 From: Ismael Luceno Date: Mon, 5 Mar 2012 06:43:49 -0200 Subject: librt: add posix_spawn support Signed-off-by: Ismael Luceno Signed-off-by: Mike Frysinger --- librt/spawn_faction_addopen.c | 55 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 librt/spawn_faction_addopen.c (limited to 'librt/spawn_faction_addopen.c') diff --git a/librt/spawn_faction_addopen.c b/librt/spawn_faction_addopen.c new file mode 100644 index 000000000..285ca715e --- /dev/null +++ b/librt/spawn_faction_addopen.c @@ -0,0 +1,55 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include + +#include "spawn_int.h" + +/* Add an action to FILE-ACTIONS which tells the implementation to call + `open' for the given file during the `spawn' call. */ +int +posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *file_actions, + int fd, const char *path, int oflag, + mode_t mode) +{ + int maxfd = sysconf(_SC_OPEN_MAX); + struct __spawn_action *rec; + + /* Test for the validity of the file descriptor. */ + if (fd < 0 || fd >= maxfd) + return EBADF; + + /* Allocate more memory if needed. */ + if (file_actions->__used == file_actions->__allocated + && __posix_spawn_file_actions_realloc (file_actions) != 0) + /* This can only mean we ran out of memory. */ + return ENOMEM; + + /* Add the new value. */ + rec = &file_actions->__actions[file_actions->__used]; + rec->tag = spawn_do_open; + rec->action.open_action.fd = fd; + rec->action.open_action.path = path; + rec->action.open_action.oflag = oflag; + rec->action.open_action.mode = mode; + + /* Account for the new entry. */ + ++file_actions->__used; + return 0; +} -- cgit v1.2.3