6 files changed, 130 insertions, 0 deletions
diff --git a/bits/types/__sigset_t.h b/bits/types/__sigset_t.h
new file mode 100644
index 0000000000..c90d760a6e
--- /dev/null
+++ b/bits/types/__sigset_t.h
@@ -0,0 +1,7 @@
+#ifndef ____sigset_t_defined
+#define ____sigset_t_defined 1
+
+/* A `sigset_t' has a bit for each signal.  */
+typedef unsigned long int __sigset_t;
+
+#endif
diff --git a/bits/types/error_t.h b/bits/types/error_t.h
new file mode 100644
index 0000000000..8ea7a8149e
--- /dev/null
+++ b/bits/types/error_t.h
@@ -0,0 +1,24 @@
+/* Define error_t.
+   Copyright (C) 1991-2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __error_t_defined
+# define __error_t_defined 1
+
+typedef int error_t;
+
+#endif
diff --git a/bits/types/sigevent_t.h b/bits/types/sigevent_t.h
new file mode 100644
index 0000000000..5611268610
--- /dev/null
+++ b/bits/types/sigevent_t.h
@@ -0,0 +1,17 @@
+#ifndef __sigevent_t_defined
+#define __sigevent_t_defined 1
+
+#include <bits/types.h>
+#include <bits/types/__sigval_t.h>
+
+/* Structure to transport application-defined values with signals.  */
+typedef struct sigevent
+  {
+    __sigval_t sigev_value;
+    int sigev_signo;
+    int sigev_notify;
+    void (*sigev_notify_function) (__sigval_t);	    /* Function to start.  */
+    void *sigev_notify_attributes;		    /* Really pthread_attr_t.*/
+  } sigevent_t;
+
+#endif
diff --git a/bits/types/siginfo_t.h b/bits/types/siginfo_t.h
new file mode 100644
index 0000000000..450cb9431f
--- /dev/null
+++ b/bits/types/siginfo_t.h
@@ -0,0 +1,21 @@
+#ifndef __siginfo_t_defined
+#define __siginfo_t_defined 1
+
+#include <bits/types.h>
+#include <bits/types/__sigval_t.h>
+
+typedef struct
+  {
+    int si_signo;		/* Signal number.  */
+    int si_errno;		/* If non-zero, an errno value associated with
+				   this signal, as defined in <errno.h>.  */
+    int si_code;		/* Signal code.  */
+    __pid_t si_pid;		/* Sending process ID.  */
+    __uid_t si_uid;		/* Real user ID of sending process.  */
+    void *si_addr;		/* Address of faulting instruction.  */
+    int si_status;		/* Exit value or signal.  */
+    long int si_band;		/* Band event for SIGPOLL.  */
+    __sigval_t si_value;	/* Signal value.  */
+  } siginfo_t;
+
+#endif
diff --git a/bits/types/stack_t.h b/bits/types/stack_t.h
new file mode 100644
index 0000000000..d57f94c211
--- /dev/null
+++ b/bits/types/stack_t.h
@@ -0,0 +1,33 @@
+/* Define stack_t.
+   Copyright (C) 1998-2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __stack_t_defined
+#define __stack_t_defined 1
+
+#define __need_size_t
+#include <stddef.h>
+
+/* Structure describing a signal stack.  */
+typedef struct
+  {
+    void *ss_sp;
+    size_t ss_size;
+    int ss_flags;
+  } stack_t;
+
+#endif
diff --git a/bits/types/struct_sched_param.h b/bits/types/struct_sched_param.h
new file mode 100644
index 0000000000..2f24d426fb
--- /dev/null
+++ b/bits/types/struct_sched_param.h
@@ -0,0 +1,28 @@
+/* Sched parameter structure.  Generic version.
+   Copyright (C) 1996-2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _BITS_TYPES_STRUCT_SCHED_PARAM
+#define _BITS_TYPES_STRUCT_SCHED_PARAM 1
+
+/* Data structure to describe a process' schedulability.  */
+struct sched_param
+{
+  int sched_priority;
+};
+
+#endif /* bits/types/struct_sched_param.h */