lib: Add mlibc

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

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/mlibc/abis/linux/wait.h b/lib/mlibc/abis/linux/wait.h
new file mode 100644
index 0000000..58d1462
--- /dev/null
+++ b/lib/mlibc/abis/linux/wait.h
@@ -0,0 +1,28 @@
+#ifndef _ABIBITS_WAIT_H
+#define _ABIBITS_WAIT_H
+
+#define WNOHANG 1
+#define WUNTRACED 2
+#define WSTOPPED 2
+#define WEXITED 4
+#define WCONTINUED 8
+#define WNOWAIT 0x01000000
+
+#define __WALL 0x40000000
+#define __WCLONE 0x80000000
+
+#define WCOREFLAG 0x80
+
+#define WEXITSTATUS(x) (((x) & 0xff00) >> 8)
+#define WTERMSIG(x) ((x) & 0x7f)
+#define WSTOPSIG(x) WEXITSTATUS(x)
+#define WIFEXITED(x) (WTERMSIG(x) == 0)
+#define WIFSIGNALED(x) (((signed char) (((x) & 0x7f) + 1) >> 1) > 0)
+#define WIFSTOPPED(x) (((x) & 0xff) == 0x7f)
+#define WIFCONTINUED(x) ((x) == 0xffff)
+#define WCOREDUMP(x) ((x) & WCOREFLAG)
+
+/* glibc extension, but also useful for kernels */
+#define W_EXITCODE(ret, sig) (((ret) << 8) | (sig))
+
+#endif //_ABIBITS_WAIT_H