lib: Add mlibc

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

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/mlibc/options/linux/include/sys/signalfd.h b/lib/mlibc/options/linux/include/sys/signalfd.h
new file mode 100644
index 0000000..adf7c1b
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/signalfd.h
@@ -0,0 +1,48 @@
+#ifndef _SYS_SIGNALFD_H
+#define _SYS_SIGNALFD_H
+
+// TODO: Define sigset separately and remove this include.
+#include <signal.h>
+// musl includes those. Restructure this so we do not need them?
+#include <stdint.h>
+#include <fcntl.h>
+
+#define SFD_CLOEXEC O_CLOEXEC
+#define SFD_NONBLOCK O_NONBLOCK
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct signalfd_siginfo {
+	uint32_t  ssi_signo;
+	int32_t   ssi_errno;
+	int32_t   ssi_code;
+	uint32_t  ssi_pid;
+	uint32_t  ssi_uid;
+	int32_t   ssi_fd;
+	uint32_t  ssi_tid;
+	uint32_t  ssi_band;
+	uint32_t  ssi_overrun;
+	uint32_t  ssi_trapno;
+	int32_t   ssi_status;
+	int32_t   ssi_int;
+	uint64_t  ssi_ptr;
+	uint64_t  ssi_utime;
+	uint64_t  ssi_stime;
+	uint64_t  ssi_addr;
+	uint16_t  ssi_addr_lsb;
+	uint8_t   pad[128-12*4-4*8-2];
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int signalfd(int, const sigset_t *, int);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SIGNALFD_H