diff options
Diffstat (limited to 'src/util.h')
| -rw-r--r-- | src/util.h | 24 |
1 files changed, 15 insertions, 9 deletions
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__)) |