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-rw-r--r--lib/spawnattr_setflags.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/spawnattr_setflags.c b/lib/spawnattr_setflags.c
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+++ b/lib/spawnattr_setflags.c
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+/* Copyright (C) 2000, 2004, 2009-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <spawn.h>
+
+#include <errno.h>
+#include <string.h>
+
+#define ALL_FLAGS (POSIX_SPAWN_RESETIDS \
+ | POSIX_SPAWN_SETPGROUP \
+ | POSIX_SPAWN_SETSIGDEF \
+ | POSIX_SPAWN_SETSIGMASK \
+ | POSIX_SPAWN_SETSCHEDPARAM \
+ | POSIX_SPAWN_SETSCHEDULER \
+ | POSIX_SPAWN_USEVFORK)
+
+/* Store flags in the attribute structure. */
+int
+posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
+{
+ /* Check no invalid bits are set. */
+ if (flags & ~ALL_FLAGS)
+ return EINVAL;
+
+ /* Store the flag word. */
+ attr->_flags = flags;
+
+ return 0;
+}