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-rw-r--r--signal/libc_sigaction.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/signal/libc_sigaction.c b/signal/libc_sigaction.c
new file mode 100644
index 0000000000..c25913b9bd
--- /dev/null
+++ b/signal/libc_sigaction.c
@@ -0,0 +1,32 @@
+/* Internal sigaction definitions.
+   Copyright (C) 2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <signal.h>
+
+/* If ACT is not NULL, change the action for SIG to *ACT.
+   If OACT is not NULL, put the old action for SIG in *OACT.  */
+int
+__libc_sigaction (int sig, const struct sigaction *act,
+		  struct sigaction *oact)
+{
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (libc_sigaction)
+libc_hidden_def (__libc_sigaction)