From 4026c398e3f5619a7c76f581aa9e5b5435e2cae7 Mon Sep 17 00:00:00 2001
From: Alexander Popov <iiiypuk@fastmail.fm>
Date: Tue, 1 Aug 2023 00:16:28 +0300
Subject: [PATCH] thread example

---
 ~/C/thread.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 ~/C/thread.c

diff --git a/~/C/thread.c b/~/C/thread.c
new file mode 100644
index 0000000..83521fb
--- /dev/null
+++ b/~/C/thread.c
@@ -0,0 +1,31 @@
+/* https://www.geeksforgeeks.org/multithreading-in-c/ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <pthread.h>
+
+int g = 0;
+
+void *my_thread(void *vargp) {
+  int *id = (int *)vargp;
+
+  static int s = 0;
+
+  ++s;
+  ++g;
+
+  printf("Thread ID: %d, Static: %d, Global: %d\n", *id, ++s, ++g);
+}
+
+int main() {
+  pthread_t tid;
+
+  int i;
+  for (i = 0; i < 3; i++)
+    pthread_create(&tid, NULL, my_thread, (void *)&tid);
+
+  pthread_exit(NULL);
+
+  return 0;
+}