6 files changed, 169 insertions, 12 deletions
diff --git a/libc/sysdeps/linux/alpha/bits/eventfd.h b/libc/sysdeps/linux/alpha/bits/eventfd.h
new file mode 100644
index 000000000..b5a7e41ce
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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	_SYS_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd.  */
+enum
+  {
+    EFD_SEMAPHORE = 000000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+    EFD_CLOEXEC   = 010000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+    EFD_NONBLOCK  = 000000004
+#define EFD_NONBLOCK EFD_NONBLOCK
+  };
diff --git a/libc/sysdeps/linux/common/bits/eventfd.h b/libc/sysdeps/linux/common/bits/eventfd.h
new file mode 100644
index 000000000..ef49c617e
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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	_SYS_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd.  */
+enum
+  {
+    EFD_SEMAPHORE = 00000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+    EFD_CLOEXEC = 02000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+    EFD_NONBLOCK = 00004000
+#define EFD_NONBLOCK EFD_NONBLOCK
+  };
diff --git a/libc/sysdeps/linux/common/sys/eventfd.h b/libc/sysdeps/linux/common/sys/eventfd.h
index c46c2a559..1bf785f32 100644
--- a/libc/sysdeps/linux/common/sys/eventfd.h
+++ b/libc/sysdeps/linux/common/sys/eventfd.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2007-2013 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
@@ -20,21 +20,12 @@
 
 #include <stdint.h>
 
+/* Get the platform-dependent flags.  */
+#include <bits/eventfd.h>
 
 /* Type for event counter.  */
 typedef uint64_t eventfd_t;
 
-/* Flags for signalfd.  */
-enum
-  {
-    EFD_SEMAPHORE = 1,
-#define EFD_SEMAPHORE EFD_SEMAPHORE
-    EFD_CLOEXEC = 02000000,
-#define EFD_CLOEXEC EFD_CLOEXEC
-    EFD_NONBLOCK = 04000
-#define EFD_NONBLOCK EFD_NONBLOCK
-  };
-
 
 __BEGIN_DECLS
 
@@ -42,6 +33,16 @@ __BEGIN_DECLS
    value to COUNT.  */
 extern int eventfd (int __count, int __flags) __THROW;
 
+#if 0 /* not (yet) implemented in uClibc */
+
+/* Read event counter and possibly wait for events.  */
+extern int eventfd_read (int __fd, eventfd_t *__value);
+
+/* Increment event counter.  */
+extern int eventfd_write (int __fd, eventfd_t __value);
+
+#endif
+
 __END_DECLS
 
 #endif /* sys/eventfd.h */
diff --git a/libc/sysdeps/linux/hppa/bits/eventfd.h b/libc/sysdeps/linux/hppa/bits/eventfd.h
new file mode 100644
index 000000000..6182c0736
--- /dev/null
+++ b/libc/sysdeps/linux/hppa/bits/eventfd.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 2007-2013 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	_SYS_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for signalfd.  */
+enum
+  {
+    EFD_SEMAPHORE = 000000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+    EFD_CLOEXEC   = 010000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+/* the below value looks suspicious, should be 000200004 for consistency */
+    EFD_NONBLOCK  = 00200004 /* HPUX has separate NDELAY & NONBLOCK */
+#define EFD_NONBLOCK EFD_NONBLOCK
+  };
diff --git a/libc/sysdeps/linux/mips/bits/eventfd.h b/libc/sysdeps/linux/mips/bits/eventfd.h
new file mode 100644
index 000000000..17b2f469e
--- /dev/null
+++ b/libc/sysdeps/linux/mips/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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	_SYS_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd.  */
+enum
+  {
+    EFD_SEMAPHORE = 00000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+    EFD_CLOEXEC = 02000000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+    EFD_NONBLOCK = 00000200
+#define EFD_NONBLOCK EFD_NONBLOCK
+  };
diff --git a/libc/sysdeps/linux/sparc/bits/eventfd.h b/libc/sysdeps/linux/sparc/bits/eventfd.h
new file mode 100644
index 000000000..bed9f093b
--- /dev/null
+++ b/libc/sysdeps/linux/sparc/bits/eventfd.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2007-2013 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	_SYS_EVENTFD_H
+# error "Never use <bits/eventfd.h> directly; include <sys/eventfd.h> instead."
+#endif
+
+/* Flags for eventfd.  */
+enum
+  {
+    EFD_SEMAPHORE = 1,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
+    EFD_CLOEXEC = 0x400000,
+#define EFD_CLOEXEC EFD_CLOEXEC
+    EFD_NONBLOCK = 0x004000
+#define EFD_NONBLOCK EFD_NONBLOCK
+  };