book, code: add mutex header

Fixes #217
2025-12-17 04:34:40 +03:00 · 2021-12-03 15:30:07 +01:00
parent 761a408d82
commit e5d90bd610
4 changed files with 6 additions and 0 deletions
--- a/code/7/7.2.critical.section.a.cpp
+++ b/code/7/7.2.critical.section.a.cpp
@@ -8,6 +8,7 @@
 //

 #include <iostream>
+#include <mutex>
 #include <thread>

 int v = 1;
--- a/code/7/7.3.critical.section.b.cpp
+++ b/code/7/7.3.critical.section.b.cpp
@@ -8,6 +8,7 @@
 //

 #include <iostream>
+#include <mutex>
 #include <thread>

 int v = 1;