4 files changed, 25 insertions, 0 deletions
diff --git a/lib/libc/sys/eventfd/Kbuild b/lib/libc/sys/eventfd/Kbuild
new file mode 100644
index 00000000..ad7a3422
--- /dev/null
+++ b/lib/libc/sys/eventfd/Kbuild
@@ -0,0 +1,3 @@
+obj-y += eventfd.o
+obj-y += eventfd_read.o
+obj-y += eventfd_write.o
diff --git a/lib/libc/sys/eventfd/eventfd.c b/lib/libc/sys/eventfd/eventfd.c
new file mode 100644
index 00000000..b0fb5d86
--- /dev/null
+++ b/lib/libc/sys/eventfd/eventfd.c
@@ -0,0 +1,6 @@
+#include <syscall.h>
+
+int eventfd(unsigned int initval, int flags)
+{
+	return syscall(eventfd2, initval, flags);
+}
diff --git a/lib/libc/sys/eventfd/eventfd_read.c b/lib/libc/sys/eventfd/eventfd_read.c
new file mode 100644
index 00000000..78d73623
--- /dev/null
+++ b/lib/libc/sys/eventfd/eventfd_read.c
@@ -0,0 +1,8 @@
+#include <sys/eventfd.h>
+#include <syscall.h>
+#include <unistd.h>
+
+int eventfd_read(int fildes, eventfd_t *value)
+{
+	return (sizeof(*value) == read(fildes, value, sizeof(*value))) ? 0 : -1;
+}
diff --git a/lib/libc/sys/eventfd/eventfd_write.c b/lib/libc/sys/eventfd/eventfd_write.c
new file mode 100644
index 00000000..9c89b388
--- /dev/null
+++ b/lib/libc/sys/eventfd/eventfd_write.c
@@ -0,0 +1,8 @@
+#include <sys/eventfd.h>
+#include <syscall.h>
+#include <unistd.h>
+
+int eventfd_write(int fildes, eventfd_t value)
+{
+	return (sizeof(value) == write(fildes, &value, sizeof(value))) ? 0 : -1;
+}