File: template-multiple-attr-propagation.cpp

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (29 lines) | stat: -rw-r--r-- 633 bytes parent folder | download | duplicates (30) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
// RUN: %clang_cc1 %s -Wthread-safety-analysis -verify -fexceptions
// expected-no-diagnostics

class Mutex {
public:
  void Lock() __attribute__((exclusive_lock_function()));
  void Unlock() __attribute__((unlock_function()));
};

class A {
public:
  Mutex mu1, mu2;

  void foo() __attribute__((exclusive_locks_required(mu1))) __attribute__((exclusive_locks_required(mu2))) {}

  template <class T>
  void bar() __attribute__((exclusive_locks_required(mu1))) __attribute__((exclusive_locks_required(mu2))) {
    foo();
  }
};

void f() {
  A a;
  a.mu1.Lock();
  a.mu2.Lock();
  a.bar<int>();
  a.mu2.Unlock();
  a.mu1.Unlock();
}