fix: unexpected crash

mutouyun · web-flow · commit d80bea9b5dab · 2021-08-23T13:10:03.000+08:00
An unexpected crash caused by an unconnected exit.
diff --git a/include/libipc/pool_alloc.h b/include/libipc/pool_alloc.h
@@ -94,6 +94,7 @@ inline void free(void* p, std::size_t size) {
 
 template <typename T>
 void free(T* p) {
+    if (p == nullptr) return;
     destruct(p);
     pool_alloc::free(p, sizeof(T));
 }

Original file line number	Diff line number	Diff line change
`@@ -94,6 +94,7 @@ inline void free(void* p, std::size_t size) {`
`94`	`94`
`95`	`95`	`template <typename T>`
`96`	`96`	`void free(T* p) {`
	`97`	`+ if (p == nullptr) return;`
`97`	`98`	`destruct(p);`
`98`	`99`	`pool_alloc::free(p, sizeof(T));`
`99`	`100`	`}`