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Diffstat (limited to 'lib/libc/sys/eventfd/eventfd_read.c')
-rw-r--r--lib/libc/sys/eventfd/eventfd_read.c8
1 files changed, 8 insertions, 0 deletions
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;
+}