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-rw-r--r--src/potd-init.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/potd-init.c b/src/potd-init.c
new file mode 100644
index 0000000..8cfb347
--- /dev/null
+++ b/src/potd-init.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#define APP_NAME "init"
+
+int main(void)
+{
+ if (getppid() != 0 || getpid() != 1) {
+ fprintf(stderr, "%s: must be started as PID 1\n", APP_NAME);
+ return 1;
+ }
+
+ return 0;
+}