Add build system scaffolding and libc headers

3 files changed, 21 insertions, 0 deletions

diff --git a/lib/libc/wait/wait.c b/lib/libc/wait/wait.c
new file mode 100644
index 00000000..f0583bfc
--- /dev/null
+++ b/lib/libc/wait/wait.c
@@ -0,0 +1,7 @@
+#include <sys/wait.h>
+#include <syscall.h>
+
+pid_t wait(int *stat_loc)
+{
+	return syscall(wait4, -1, stat_loc, 0, 0);
+}
diff --git a/lib/libc/wait/waitid.c b/lib/libc/wait/waitid.c
new file mode 100644
index 00000000..5b6237b8
--- /dev/null
+++ b/lib/libc/wait/waitid.c
@@ -0,0 +1,7 @@
+#include <sys/wait.h>
+#include <syscall.h>
+
+int waitid(idtype_t idtype, id_t id, siginfo_t *infop, int options)
+{
+	return syscall(waitid, idtype, id, infop, options);
+}
diff --git a/lib/libc/wait/waitpid.c b/lib/libc/wait/waitpid.c
new file mode 100644
index 00000000..a5746efc
--- /dev/null
+++ b/lib/libc/wait/waitpid.c
@@ -0,0 +1,7 @@
+#include <sys/wait.h>
+#include <syscall.h>
+
+pid_t waitpid(pid_t pid, int *stat_loc, int options)
+{
+	return syscall(wait4, pid, stat_loc, options, 0);
+}