lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/mlibc/options/linux/generic/sys-signalfd.cpp b/lib/mlibc/options/linux/generic/sys-signalfd.cpp
new file mode 100644
index 0000000..28cfea0
--- /dev/null
+++ b/lib/mlibc/options/linux/generic/sys-signalfd.cpp
@@ -0,0 +1,17 @@
+
+#include <errno.h>
+#include <sys/signalfd.h>
+
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+
+int signalfd(int fd, const sigset_t *mask, int flags) {
+	__ensure(fd == -1);
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_signalfd_create, -1);
+	if(int e = mlibc::sys_signalfd_create(mask, flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+