syscalls: umask

src/sys/syscalls/umask.c

@@ -0,0 +1,17 @@
+#include <kernel/syscalls.h>
+#include <arch/cls.h>
+
+
+syscallret syscall_umask(mode_t mask){
+	
+	syscallret retv;
+	retv.errno = 0;
+	
+	proc_t* proc = arch_getcls()->thread->proc;
+	
+	retv.ret = proc->umask;
+	proc->umask = mask & 0777;
+	
+	return retv;
+	
+}