From ed37aa01d2609a4cbd22a0dd34fbd41efd71a4a9 Mon Sep 17 00:00:00 2001
From: Pragyansh Chaturvedi <pragyansh.chaturvedi@canonical.com>
Date: Mon, 8 Sep 2025 22:43:24 +0530
Subject: [PATCH] add another c example

---
 examples/c-form/ex3-2.bpf.c | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 examples/c-form/ex3-2.bpf.c

diff --git a/examples/c-form/ex3-2.bpf.c b/examples/c-form/ex3-2.bpf.c
new file mode 100644
index 0000000..3091e6a
--- /dev/null
+++ b/examples/c-form/ex3-2.bpf.c
@@ -0,0 +1,39 @@
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define u64 unsigned long long
+
+// Define the map
+struct {
+    __uint(type, BPF_MAP_TYPE_HASH);
+    __type(key, u64);
+    __type(value, u64);
+    __uint(max_entries, 1);
+} last SEC(".maps");
+
+// Handler for syscall entry
+SEC("tracepoint/syscalls/sys_enter_execve")
+int hello(void *ctx) {
+    bpf_printk("entered");
+    bpf_printk("multi constant support");
+    return 0;
+}
+
+// Handler for syscall exit
+SEC("tracepoint/syscalls/sys_exit_execve")
+long hello_again(void *ctx) {
+    bpf_printk("exited");
+
+    // Create a key for map lookup
+    u64 key = 0;
+
+    // Simple lookup without conditionals
+    u64 *tsp = bpf_map_lookup_elem(&last, &key);
+
+    // Get current timestamp
+    u64 ts = bpf_ktime_get_ns();
+
+    return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";