lib: Add mlibc

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

1 files changed, 66 insertions, 0 deletions

diff --git a/lib/mlibc/options/linux/include/sys/epoll.h b/lib/mlibc/options/linux/include/sys/epoll.h
new file mode 100644
index 0000000..f84da7a
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/epoll.h
@@ -0,0 +1,66 @@
+#ifndef	_SYS_EPOLL_H
+#define	_SYS_EPOLL_H
+
+#include <stdint.h>
+#include <abi-bits/signal.h>
+#include <abi-bits/epoll.h>
+#include <abi-bits/fcntl.h>
+
+#define EPOLL_NONBLOCK O_NONBLOCK
+
+// These constants match the Linux definitions.
+#define EPOLLIN 0x001
+#define EPOLLPRI 0x002
+#define EPOLLOUT 0x004
+#define EPOLLRDNORM 0x040
+#define EPOLLRDBAND 0x080
+#define EPOLLWRNORM 0x100
+#define EPOLLWRBAND 0x200
+#define EPOLLMSG 0x400
+#define EPOLLERR 0x008
+#define EPOLLHUP 0x010
+#define EPOLLRDHUP 0x2000
+#define EPOLLEXCLUSIVE (1U << 28)
+#define EPOLLWAKEUP (1U << 29)
+#define EPOLLONESHOT (1U << 30)
+#define EPOLLET (1U << 31)
+
+#define EPOLL_CTL_ADD 1
+#define EPOLL_CTL_DEL 2
+#define EPOLL_CTL_MOD 3
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef union epoll_data {
+	void *ptr;
+	int fd;
+	uint32_t u32;
+	uint64_t u64;
+} epoll_data_t;
+
+struct epoll_event {
+	uint32_t events;
+	epoll_data_t data;
+}
+#ifdef __x86_64__
+__attribute__((__packed__))
+#endif
+;
+
+#ifndef __MLIBC_ABI_ONLY
+
+int epoll_create(int);
+int epoll_create1(int);
+int epoll_ctl(int, int, int, struct epoll_event *);
+int epoll_wait(int, struct epoll_event *, int, int);
+int epoll_pwait(int, struct epoll_event *, int, int, const sigset_t *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_EPOLL_H