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-rw-r--r--support/Makefile11
-rw-r--r--support/xmmap.c31
-rw-r--r--support/xmunmap.c28
-rw-r--r--support/xpthread_mutex_consistent.c26
-rw-r--r--support/xpthread_mutex_destroy.c26
-rw-r--r--support/xpthread_mutex_init.c26
-rw-r--r--support/xpthread_mutexattr_destroy.c26
-rw-r--r--support/xpthread_mutexattr_init.c25
-rw-r--r--support/xpthread_mutexattr_setprotocol.c26
-rw-r--r--support/xpthread_mutexattr_setpshared.c26
-rw-r--r--support/xpthread_mutexattr_setrobust.c26
-rw-r--r--support/xpthread_mutexattr_settype.c26
-rw-r--r--support/xthread.h9
-rw-r--r--support/xunistd.h5
14 files changed, 317 insertions, 0 deletions
diff --git a/support/Makefile b/support/Makefile
index 7114855504..45aa7fcd2d 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -61,6 +61,8 @@ libsupport-routines = \
   xlisten \
   xmalloc \
   xmemstream \
+  xmmap \
+  xmunmap \
   xpoll \
   xpthread_barrier_destroy \
   xpthread_barrier_init \
@@ -71,8 +73,17 @@ libsupport-routines = \
   xpthread_create \
   xpthread_detach \
   xpthread_join \
+  xpthread_mutex_consistent \
+  xpthread_mutex_destroy \
+  xpthread_mutex_init \
   xpthread_mutex_lock \
   xpthread_mutex_unlock \
+  xpthread_mutexattr_destroy \
+  xpthread_mutexattr_init \
+  xpthread_mutexattr_setprotocol \
+  xpthread_mutexattr_setpshared \
+  xpthread_mutexattr_setrobust \
+  xpthread_mutexattr_settype \
   xpthread_once \
   xpthread_sigmask \
   xpthread_spin_lock \
diff --git a/support/xmmap.c b/support/xmmap.c
new file mode 100644
index 0000000000..435b1eb733
--- /dev/null
+++ b/support/xmmap.c
@@ -0,0 +1,31 @@
+/* mmap with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/mman.h>
+
+void *
+xmmap (void *addr, size_t length, int prot, int flags, int fd)
+{
+  void *result = mmap (addr, length, prot, flags, fd, 0);
+  if (result == MAP_FAILED)
+    FAIL_EXIT1 ("mmap of %zu bytes, prot=0x%x, flags=0x%x: %m",
+                length, prot, flags);
+  return result;
+}
diff --git a/support/xmunmap.c b/support/xmunmap.c
new file mode 100644
index 0000000000..6ef5a4a468
--- /dev/null
+++ b/support/xmunmap.c
@@ -0,0 +1,28 @@
+/* munmap with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/mman.h>
+
+void
+xmunmap (void *addr, size_t length)
+{
+  if (munmap (addr, length) != 0)
+    FAIL_EXIT1 ("munmap of %zu bytes: %m", length);
+}
diff --git a/support/xpthread_mutex_consistent.c b/support/xpthread_mutex_consistent.c
new file mode 100644
index 0000000000..52364be365
--- /dev/null
+++ b/support/xpthread_mutex_consistent.c
@@ -0,0 +1,26 @@
+/* pthread_mutex_consistent with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutex_consistent (pthread_mutex_t *mutex)
+{
+  xpthread_check_return ("pthread_mutex_consistent",
+                         pthread_mutex_consistent (mutex));
+}
diff --git a/support/xpthread_mutex_destroy.c b/support/xpthread_mutex_destroy.c
new file mode 100644
index 0000000000..f11f8f0acd
--- /dev/null
+++ b/support/xpthread_mutex_destroy.c
@@ -0,0 +1,26 @@
+/* pthread_mutex_destroy with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutex_destroy (pthread_mutex_t *mutex)
+{
+  xpthread_check_return ("pthread_mutex_destroy",
+                         pthread_mutex_destroy (mutex));
+}
diff --git a/support/xpthread_mutex_init.c b/support/xpthread_mutex_init.c
new file mode 100644
index 0000000000..2d16d1b9d9
--- /dev/null
+++ b/support/xpthread_mutex_init.c
@@ -0,0 +1,26 @@
+/* pthread_mutex_init with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutex_init (pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
+{
+  xpthread_check_return ("pthread_mutex_init",
+                         pthread_mutex_init (mutex, attr));
+}
diff --git a/support/xpthread_mutexattr_destroy.c b/support/xpthread_mutexattr_destroy.c
new file mode 100644
index 0000000000..c699e32b41
--- /dev/null
+++ b/support/xpthread_mutexattr_destroy.c
@@ -0,0 +1,26 @@
+/* pthread_mutexattr_destroy with error checking.
+   Copyright (C) 2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutexattr_destroy (pthread_mutexattr_t *attr)
+{
+  xpthread_check_return ("pthread_mutexattr_destroy",
+                         pthread_mutexattr_destroy (attr));
+}
diff --git a/support/xpthread_mutexattr_init.c b/support/xpthread_mutexattr_init.c
new file mode 100644
index 0000000000..fa93fab178
--- /dev/null
+++ b/support/xpthread_mutexattr_init.c
@@ -0,0 +1,25 @@
+/* pthread_mutexattr_init with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutexattr_init (pthread_mutexattr_t *attr)
+{
+  xpthread_check_return ("pthread_mutexattr_init", pthread_mutexattr_init (attr));
+}
diff --git a/support/xpthread_mutexattr_setprotocol.c b/support/xpthread_mutexattr_setprotocol.c
new file mode 100644
index 0000000000..353f75e3d7
--- /dev/null
+++ b/support/xpthread_mutexattr_setprotocol.c
@@ -0,0 +1,26 @@
+/* pthread_mutexattr_setprotocol with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutexattr_setprotocol (pthread_mutexattr_t *attr, int flag)
+{
+  xpthread_check_return ("pthread_mutexattr_setprotocol",
+                         pthread_mutexattr_setprotocol (attr, flag));
+}
diff --git a/support/xpthread_mutexattr_setpshared.c b/support/xpthread_mutexattr_setpshared.c
new file mode 100644
index 0000000000..242da1aeca
--- /dev/null
+++ b/support/xpthread_mutexattr_setpshared.c
@@ -0,0 +1,26 @@
+/* pthread_mutexattr_setpshared with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutexattr_setpshared (pthread_mutexattr_t *attr, int flag)
+{
+  xpthread_check_return ("pthread_mutexattr_setpshared",
+                         pthread_mutexattr_setpshared (attr, flag));
+}
diff --git a/support/xpthread_mutexattr_setrobust.c b/support/xpthread_mutexattr_setrobust.c
new file mode 100644
index 0000000000..d7d6fa8630
--- /dev/null
+++ b/support/xpthread_mutexattr_setrobust.c
@@ -0,0 +1,26 @@
+/* pthread_mutexattr_setrobust with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutexattr_setrobust (pthread_mutexattr_t *attr, int flag)
+{
+  xpthread_check_return ("pthread_mutexattr_setrobust",
+                         pthread_mutexattr_setrobust (attr, flag));
+}
diff --git a/support/xpthread_mutexattr_settype.c b/support/xpthread_mutexattr_settype.c
new file mode 100644
index 0000000000..cf22170b56
--- /dev/null
+++ b/support/xpthread_mutexattr_settype.c
@@ -0,0 +1,26 @@
+/* pthread_mutexattr_settype with error checking.
+   Copyright (C) 2016-2017 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/>.  */
+
+#include <support/xthread.h>
+
+void
+xpthread_mutexattr_settype (pthread_mutexattr_t *attr, int flag)
+{
+  xpthread_check_return ("pthread_mutexattr_settype",
+                         pthread_mutexattr_settype (attr, flag));
+}
diff --git a/support/xthread.h b/support/xthread.h
index e5c896b053..0eb54fd85a 100644
--- a/support/xthread.h
+++ b/support/xthread.h
@@ -41,8 +41,17 @@ void xpthread_check_return (const char *function, int value);
 void xpthread_barrier_init (pthread_barrier_t *barrier,
                             pthread_barrierattr_t *attr, unsigned int count);
 void xpthread_barrier_destroy (pthread_barrier_t *barrier);
+void xpthread_mutexattr_destroy (pthread_mutexattr_t *);
+void xpthread_mutexattr_init (pthread_mutexattr_t *);
+void xpthread_mutexattr_setprotocol (pthread_mutexattr_t *, int);
+void xpthread_mutexattr_setpshared (pthread_mutexattr_t *, int);
+void xpthread_mutexattr_setrobust (pthread_mutexattr_t *, int);
+void xpthread_mutexattr_settype (pthread_mutexattr_t *, int);
+void xpthread_mutex_init (pthread_mutex_t *, const pthread_mutexattr_t *);
+void xpthread_mutex_destroy (pthread_mutex_t *);
 void xpthread_mutex_lock (pthread_mutex_t *mutex);
 void xpthread_mutex_unlock (pthread_mutex_t *mutex);
+void xpthread_mutex_consistent (pthread_mutex_t *);
 void xpthread_spin_lock (pthread_spinlock_t *lock);
 void xpthread_spin_unlock (pthread_spinlock_t *lock);
 void xpthread_cond_wait (pthread_cond_t * cond, pthread_mutex_t * mutex);
diff --git a/support/xunistd.h b/support/xunistd.h
index 11fbc9fbd2..a83b1f4541 100644
--- a/support/xunistd.h
+++ b/support/xunistd.h
@@ -33,6 +33,11 @@ pid_t xwaitpid (pid_t, int *status, int flags);
 /* Write the buffer.  Retry on short writes.  */
 void xwrite (int, const void *, size_t);
 
+/* Invoke mmap with a zero file offset.  */
+void *xmmap (void *addr, size_t length, int prot, int flags, int fd);
+
+void xmunmap (void *addr, size_t length);
+
 __END_DECLS
 
 #endif /* SUPPORT_XUNISTD_H */
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