3 files changed, 76 insertions, 2 deletions
diff --git a/sysdeps/generic/internal-signals.h b/sysdeps/generic/internal-signals.h
index 3db100be10..e031a96bac 100644
--- a/sysdeps/generic/internal-signals.h
+++ b/sysdeps/generic/internal-signals.h
@@ -20,6 +20,7 @@
 # define __INTERNAL_SIGNALS_H
 
 #include <signal.h>
+#include <internal-sigset.h>
 #include <sigsetops.h>
 #include <stdbool.h>
 #include <stddef.h>
@@ -39,10 +40,32 @@ clear_internal_signals (sigset_t *set)
 {
 }
 
-typedef sigset_t internal_sigset_t;
-
 #define internal_sigemptyset(__s)            __sigemptyset (__s)
+#define internal_sigfillset(__s)             __sigfillset (__s)
 #define internal_sigaddset(__s, __i)         __sigaddset (__s, __i)
 #define internal_sigprocmask(__h, __s, __o)  __sigprocmask (__h, __s, __o)
 
+static inline void
+internal_signal_block_all (internal_sigset_t *oset)
+{
+  internal_sigset_t set;
+  internal_sigfillset (&set);
+  internal_sigprocmask (SIG_BLOCK, &set, oset);
+}
+
+static inline void
+internal_signal_restore_set (const internal_sigset_t *set)
+{
+  internal_sigprocmask (SIG_SETMASK, set, NULL);
+}
+
+static inline void
+internal_signal_unblock_signal (int sig)
+{
+  internal_sigset_t set;
+  internal_sigemptyset (&set);
+  internal_sigaddset (&set, sig);
+  internal_sigprocmask (SIG_UNBLOCK, &set, NULL);
+}
+
 #endif /* __INTERNAL_SIGNALS_H  */
diff --git a/sysdeps/generic/internal-sigset.h b/sysdeps/generic/internal-sigset.h
new file mode 100644
index 0000000000..80279ffc47
--- /dev/null
+++ b/sysdeps/generic/internal-sigset.h
@@ -0,0 +1,26 @@
+/* Internal sigset_t definition.
+   Copyright (C) 2022-2023 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/>.  */
+
+#ifndef _INTERNAL_SIGSET_H
+#define _INTERNAL_SIGSET_H
+
+#include <signal.h>
+
+typedef sigset_t internal_sigset_t;
+
+#endif
diff --git a/sysdeps/generic/syscall_types.h b/sysdeps/generic/syscall_types.h
new file mode 100644
index 0000000000..2ddeaa2b5f
--- /dev/null
+++ b/sysdeps/generic/syscall_types.h
@@ -0,0 +1,25 @@
+/* Types and macros used for syscall issuing.
+   Copyright (C) 2023 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/>.  */
+
+#ifndef _SYSCALL_TYPES_H
+#define _SYSCALL_TYPES_H
+
+typedef long int __syscall_arg_t;
+#define __SSC(__x) ((__syscall_arg_t) (__x))
+
+#endif