forked from OSchip/llvm-project
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.unix.PthreadLock,debug.ExprInspection 2>&1 %s | FileCheck %s
|
|
|
|
#include "Inputs/system-header-simulator-for-pthread-lock.h"
|
|
|
|
#define NULL 0
|
|
|
|
void clang_analyzer_printState(void);
|
|
|
|
pthread_mutex_t mtx;
|
|
|
|
void test(void) {
|
|
clang_analyzer_printState();
|
|
// CHECK: "checker_messages": null
|
|
|
|
pthread_mutex_init(&mtx, NULL);
|
|
clang_analyzer_printState();
|
|
// CHECK: { "checker": "alpha.core.PthreadLockBase", "messages": [
|
|
// CHECK-NEXT: "Mutex states:",
|
|
// CHECK-NEXT: "mtx: unlocked",
|
|
// CHECK-NEXT: ""
|
|
// CHECK-NEXT: ]}
|
|
|
|
pthread_mutex_lock(&mtx);
|
|
clang_analyzer_printState();
|
|
// CHECK: { "checker": "alpha.core.PthreadLockBase", "messages": [
|
|
// CHECK-NEXT: "Mutex states:",
|
|
// CHECK-NEXT: "mtx: locked",
|
|
// CHECK-NEXT: "Mutex lock order:",
|
|
// CHECK-NEXT: "mtx",
|
|
// CHECK-NEXT: ""
|
|
// CHECK-NEXT: ]}
|
|
|
|
pthread_mutex_unlock(&mtx);
|
|
clang_analyzer_printState();
|
|
// CHECK: { "checker": "alpha.core.PthreadLockBase", "messages": [
|
|
// CHECK-NEXT: "Mutex states:",
|
|
// CHECK-NEXT: "mtx: unlocked",
|
|
// CHECK-NEXT: ""
|
|
// CHECK-NEXT: ]}
|
|
|
|
int ret = pthread_mutex_destroy(&mtx);
|
|
clang_analyzer_printState();
|
|
// CHECK: { "checker": "alpha.core.PthreadLockBase", "messages": [
|
|
// CHECK-NEXT: "Mutex states:",
|
|
// CHECK-NEXT: "mtx: unlocked, possibly destroyed",
|
|
// CHECK-NEXT: "Mutexes in unresolved possibly destroyed state:",
|
|
// CHECK-NEXT: "mtx: conj_$
|
|
// CHECK-NEXT: ""
|
|
// CHECK-NEXT: ]}
|
|
|
|
if (ret)
|
|
return;
|
|
|
|
clang_analyzer_printState();
|
|
// CHECK: { "checker": "alpha.core.PthreadLockBase", "messages": [
|
|
// CHECK-NEXT: "Mutex states:",
|
|
// CHECK-NEXT: "mtx: destroyed",
|
|
// CHECK-NEXT: ""
|
|
// CHECK-NEXT: ]}
|
|
}
|