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-rw-r--r--src/test/util_tests.cpp19
-rw-r--r--src/util.h24
2 files changed, 34 insertions, 9 deletions
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index 8afc85c507..8c8b99e1b2 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -8,6 +8,25 @@ using namespace std;
BOOST_AUTO_TEST_SUITE(util_tests)
+BOOST_AUTO_TEST_CASE(util_criticalsection)
+{
+ CCriticalSection cs;
+
+ do {
+ CRITICAL_BLOCK(cs)
+ break;
+
+ BOOST_ERROR("break was swallowed!");
+ } while(0);
+
+ do {
+ TRY_CRITICAL_BLOCK(cs)
+ break;
+
+ BOOST_ERROR("break was swallowed!");
+ } while(0);
+}
+
BOOST_AUTO_TEST_CASE(util_MedianFilter)
{
CMedianFilter<int> filter(5, 15);
diff --git a/src/util.h b/src/util.h
index 178923727a..4c966486f7 100644
--- a/src/util.h
+++ b/src/util.h
@@ -243,19 +243,20 @@ public:
pcs = &csIn;
pcs->Enter(pszName, pszFile, nLine);
}
+
+ operator bool() const
+ {
+ return true;
+ }
+
~CCriticalBlock()
{
pcs->Leave();
}
};
-// WARNING: This will catch continue and break!
-// break is caught with an assertion, but there's no way to detect continue.
-// I'd rather be careful than suffer the other more error prone syntax.
-// The compiler will optimise away all this loop junk.
#define CRITICAL_BLOCK(cs) \
- for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by CRITICAL_BLOCK!" && !fcriticalblockonce)), fcriticalblockonce=false) \
- for (CCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__); fcriticalblockonce; fcriticalblockonce=false)
+ if (CCriticalBlock criticalblock = CCriticalBlock(cs, #cs, __FILE__, __LINE__))
class CTryCriticalBlock
{
@@ -267,6 +268,12 @@ public:
{
pcs = (csIn.TryEnter(pszName, pszFile, nLine) ? &csIn : NULL);
}
+
+ operator bool() const
+ {
+ return Entered();
+ }
+
~CTryCriticalBlock()
{
if (pcs)
@@ -274,12 +281,11 @@ public:
pcs->Leave();
}
}
- bool Entered() { return pcs != NULL; }
+ bool Entered() const { return pcs != NULL; }
};
#define TRY_CRITICAL_BLOCK(cs) \
- for (bool fcriticalblockonce=true; fcriticalblockonce; assert(("break caught by TRY_CRITICAL_BLOCK!" && !fcriticalblockonce)), fcriticalblockonce=false) \
- for (CTryCriticalBlock criticalblock(cs, #cs, __FILE__, __LINE__); fcriticalblockonce && (fcriticalblockonce = criticalblock.Entered()); fcriticalblockonce=false)
+ if (CTryCriticalBlock criticalblock = CTryCriticalBlock(cs, #cs, __FILE__, __LINE__))