diff options
| -rw-r--r-- | configure.ac | 22 | ||||
| -rw-r--r-- | doc/dependencies.md | 2 | ||||
| -rw-r--r-- | doc/release-notes.md | 5 | ||||
| -rw-r--r-- | src/init.cpp | 13 | ||||
| -rw-r--r-- | src/sync.cpp | 20 | ||||
| -rw-r--r-- | src/sync.h | 16 | ||||
| -rw-r--r-- | src/util.h | 1 | ||||
| -rw-r--r-- | src/validation.cpp | 28 | ||||
| -rw-r--r-- | src/wallet/rpcdump.cpp | 2 | ||||
| -rwxr-xr-x | test/functional/minchainwork.py | 2 | ||||
| -rwxr-xr-x | test/functional/p2p-fingerprint.py | 1 | ||||
| -rw-r--r-- | test/functional/test_framework/messages.py | 15 |
12 files changed, 82 insertions, 45 deletions
diff --git a/configure.ac b/configure.ac index 8e5561243a..a05896edea 100644 --- a/configure.ac +++ b/configure.ac @@ -659,6 +659,28 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([ ] ) +TEMP_LDFLAGS="$LDFLAGS" +LDFLAGS="$TEMP_LDFLAGS $PTHREAD_CFLAGS" +AC_MSG_CHECKING([for thread_local support]) +AC_LINK_IFELSE([AC_LANG_SOURCE([ + #include <thread> + static thread_local int foo = 0; + static void run_thread() { foo++;} + int main(){ + for(int i = 0; i < 10; i++) { std::thread(run_thread).detach();} + return foo; + } + ])], + [ + AC_DEFINE(HAVE_THREAD_LOCAL,1,[Define if thread_local is supported.]) + AC_MSG_RESULT(yes) + ], + [ + AC_MSG_RESULT(no) + ] +) +LDFLAGS="$TEMP_LDFLAGS" + # Check for different ways of gathering OS randomness AC_MSG_CHECKING(for Linux getrandom syscall) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h> diff --git a/doc/dependencies.md b/doc/dependencies.md index 964c03ba88..6e1d1ee992 100644 --- a/doc/dependencies.md +++ b/doc/dependencies.md @@ -13,7 +13,7 @@ These are the dependencies currently used by Bitcoin Core. You can find instruct | Expat | [2.2.1](https://libexpat.github.io/) | | No | Yes | | | fontconfig | [2.12.1](https://www.freedesktop.org/software/fontconfig/release/) | | No | Yes | | | FreeType | [2.7.1](http://download.savannah.gnu.org/releases/freetype) | | No | | | -| GCC | | [4.7+](https://gcc.gnu.org/) | | | | +| GCC | | [4.8+](https://gcc.gnu.org/) | | | | | HarfBuzz-NG | | | | | | | libevent | [2.1.8-stable](https://github.com/libevent/libevent/releases) | 2.0.22 | No | | | | libjpeg | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L75) | diff --git a/doc/release-notes.md b/doc/release-notes.md index 32f1bef62c..2c63b1f88e 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -56,6 +56,11 @@ frequently tested on them. Notable changes =============== +GCC 4.8.x +-------------- +The minimum version of GCC required to compile Bitcoin Core is now 4.8. No effort will be +made to support older versions of GCC. See discussion in issue #11732 for more information. + HD-wallets by default --------------------- Due to a backward-incompatible change in the wallet database, wallets created diff --git a/src/init.cpp b/src/init.cpp index 439eaacfcc..3cc797a17c 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -1030,11 +1030,6 @@ bool AppInitParameterInteraction() fPruneMode = true; } - RegisterAllCoreRPCCommands(tableRPC); -#ifdef ENABLE_WALLET - RegisterWalletRPC(tableRPC); -#endif - nConnectTimeout = gArgs.GetArg("-timeout", DEFAULT_CONNECT_TIMEOUT); if (nConnectTimeout <= 0) nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; @@ -1239,6 +1234,14 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) GetMainSignals().RegisterBackgroundSignalScheduler(scheduler); GetMainSignals().RegisterWithMempoolSignals(mempool); + /* Register RPC commands regardless of -server setting so they will be + * available in the GUI RPC console even if external calls are disabled. + */ + RegisterAllCoreRPCCommands(tableRPC); +#ifdef ENABLE_WALLET + RegisterWalletRPC(tableRPC); +#endif + /* Start the RPC server already. It will be started in "warmup" mode * and not really process calls already (but it will signify connections * that the server is there and will be ready later). Warmup mode will diff --git a/src/sync.cpp b/src/sync.cpp index fcc6ddc354..3f51383ea2 100644 --- a/src/sync.cpp +++ b/src/sync.cpp @@ -4,14 +4,16 @@ #include <sync.h> +#include <set> #include <util.h> #include <utilstrencodings.h> #include <stdio.h> -#include <boost/thread.hpp> - #ifdef DEBUG_LOCKCONTENTION +#if !defined(HAVE_THREAD_LOCAL) +static_assert(false, "thread_local is not supported"); +#endif void PrintLockContention(const char* pszName, const char* pszFile, int nLine) { LogPrintf("LOCKCONTENTION: %s\n", pszName); @@ -45,8 +47,8 @@ struct CLockLocation { return mutexName + " " + sourceFile + ":" + itostr(sourceLine) + (fTry ? " (TRY)" : ""); } - bool fTry; private: + bool fTry; std::string mutexName; std::string sourceFile; int sourceLine; @@ -67,10 +69,10 @@ struct LockData { LockOrders lockorders; InvLockOrders invlockorders; - boost::mutex dd_mutex; + std::mutex dd_mutex; } static lockdata; -boost::thread_specific_ptr<LockStack> lockstack; +static thread_local std::unique_ptr<LockStack> lockstack; static void potential_deadlock_detected(const std::pair<void*, void*>& mismatch, const LockStack& s1, const LockStack& s2) { @@ -100,12 +102,12 @@ static void potential_deadlock_detected(const std::pair<void*, void*>& mismatch, static void push_lock(void* c, const CLockLocation& locklocation) { - if (lockstack.get() == nullptr) + if (!lockstack) lockstack.reset(new LockStack); - boost::unique_lock<boost::mutex> lock(lockdata.dd_mutex); + std::lock_guard<std::mutex> lock(lockdata.dd_mutex); - (*lockstack).push_back(std::make_pair(c, locklocation)); + lockstack->push_back(std::make_pair(c, locklocation)); for (const std::pair<void*, CLockLocation> & i : (*lockstack)) { if (i.first == c) @@ -171,7 +173,7 @@ void DeleteLock(void* cs) // We're already shutting down. return; } - boost::unique_lock<boost::mutex> lock(lockdata.dd_mutex); + std::lock_guard<std::mutex> lock(lockdata.dd_mutex); std::pair<void*, void*> item = std::make_pair(cs, nullptr); LockOrders::iterator it = lockdata.lockorders.lower_bound(item); while (it != lockdata.lockorders.end() && it->first.first == cs) { diff --git a/src/sync.h b/src/sync.h index b0889be767..3af27c65d0 100644 --- a/src/sync.h +++ b/src/sync.h @@ -8,8 +8,6 @@ #include <threadsafety.h> -#include <boost/thread/condition_variable.hpp> -#include <boost/thread/mutex.hpp> #include <condition_variable> #include <thread> #include <mutex> @@ -196,8 +194,8 @@ public: class CSemaphore { private: - boost::condition_variable condition; - boost::mutex mutex; + std::condition_variable condition; + std::mutex mutex; int value; public: @@ -205,16 +203,14 @@ public: void wait() { - boost::unique_lock<boost::mutex> lock(mutex); - while (value < 1) { - condition.wait(lock); - } + std::unique_lock<std::mutex> lock(mutex); + condition.wait(lock, [&]() { return value >= 1; }); value--; } bool try_wait() { - boost::unique_lock<boost::mutex> lock(mutex); + std::lock_guard<std::mutex> lock(mutex); if (value < 1) return false; value--; @@ -224,7 +220,7 @@ public: void post() { { - boost::unique_lock<boost::mutex> lock(mutex); + std::lock_guard<std::mutex> lock(mutex); value++; } condition.notify_one(); diff --git a/src/util.h b/src/util.h index be5c99567d..08de43d29f 100644 --- a/src/util.h +++ b/src/util.h @@ -28,6 +28,7 @@ #include <vector> #include <boost/signals2/signal.hpp> +#include <boost/thread/condition_variable.hpp> // for boost::thread_interrupted // Application startup time (used for uptime calculation) int64_t GetStartupTime(); diff --git a/src/validation.cpp b/src/validation.cpp index 99ea1433f9..d598a6994c 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -1667,6 +1667,18 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd int64_t nTimeStart = GetTimeMicros(); // Check it again in case a previous version let a bad block in + // NOTE: We don't currently (re-)invoke ContextualCheckBlock() or + // ContextualCheckBlockHeader() here. This means that if we add a new + // consensus rule that is enforced in one of those two functions, then we + // may have let in a block that violates the rule prior to updating the + // software, and we would NOT be enforcing the rule here. Fully solving + // upgrade from one software version to the next after a consensus rule + // change is potentially tricky and issue-specific (see RewindBlockIndex() + // for one general approach that was used for BIP 141 deployment). + // Also, currently the rule against blocks more than 2 hours in the future + // is enforced in ContextualCheckBlockHeader(); we wouldn't want to + // re-enforce that rule here (at least until we make it impossible for + // GetAdjustedTime() to go backward). if (!CheckBlock(block, state, chainparams.GetConsensus(), !fJustCheck, !fJustCheck)) return error("%s: Consensus::CheckBlock: %s", __func__, FormatStateMessage(state)); @@ -2952,7 +2964,13 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc /** Context-dependent validity checks. * By "context", we mean only the previous block headers, but not the UTXO - * set; UTXO-related validity checks are done in ConnectBlock(). */ + * set; UTXO-related validity checks are done in ConnectBlock(). + * NOTE: This function is not currently invoked by ConnectBlock(), so we + * should consider upgrade issues if we change which consensus rules are + * enforced in this function (eg by adding a new consensus rule). See comment + * in ConnectBlock(). + * Note that -reindex-chainstate skips the validation that happens here! + */ static bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& state, const CChainParams& params, const CBlockIndex* pindexPrev, int64_t nAdjustedTime) { assert(pindexPrev != nullptr); @@ -2992,6 +3010,12 @@ static bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationSta return true; } +/** NOTE: This function is not currently invoked by ConnectBlock(), so we + * should consider upgrade issues if we change which consensus rules are + * enforced in this function (eg by adding a new consensus rule). See comment + * in ConnectBlock(). + * Note that -reindex-chainstate skips the validation that happens here! + */ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev) { const int nHeight = pindexPrev == nullptr ? 0 : pindexPrev->nHeight + 1; @@ -3464,7 +3488,7 @@ static FILE* OpenDiskFile(const CDiskBlockPos &pos, const char *prefix, bool fRe return nullptr; fs::path path = GetBlockPosFilename(pos, prefix); fs::create_directories(path.parent_path()); - FILE* file = fsbridge::fopen(path, "rb+"); + FILE* file = fsbridge::fopen(path, fReadOnly ? "rb": "rb+"); if (!file && !fReadOnly) file = fsbridge::fopen(path, "wb+"); if (!file) { diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp index fcc4c43872..71d50be634 100644 --- a/src/wallet/rpcdump.cpp +++ b/src/wallet/rpcdump.cpp @@ -165,7 +165,7 @@ UniValue abortrescan(const JSONRPCRequest& request) if (request.fHelp || request.params.size() > 0) throw std::runtime_error( "abortrescan\n" - "\nStops current wallet rescan triggered e.g. by an importprivkey call.\n" + "\nStops current wallet rescan triggered by an RPC call, e.g. by an importprivkey call.\n" "\nExamples:\n" "\nImport a private key\n" + HelpExampleCli("importprivkey", "\"mykey\"") + diff --git a/test/functional/minchainwork.py b/test/functional/minchainwork.py index 35cd7ad141..90a3de0e0d 100755 --- a/test/functional/minchainwork.py +++ b/test/functional/minchainwork.py @@ -18,7 +18,7 @@ only succeeds past a given node once its nMinimumChainWork has been exceeded. import time from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import sync_blocks, connect_nodes, assert_equal +from test_framework.util import connect_nodes, assert_equal # 2 hashes required per regtest block (with no difficulty adjustment) REGTEST_WORK_PER_BLOCK = 2 diff --git a/test/functional/p2p-fingerprint.py b/test/functional/p2p-fingerprint.py index 4b6446fc5b..a8ce68374c 100755 --- a/test/functional/p2p-fingerprint.py +++ b/test/functional/p2p-fingerprint.py @@ -24,7 +24,6 @@ from test_framework.mininode import ( from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, - p2p_port, ) class P2PFingerprintTest(BitcoinTestFramework): diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py index 40d02f3ee0..eee24910cb 100644 --- a/test/functional/test_framework/messages.py +++ b/test/functional/test_framework/messages.py @@ -167,21 +167,6 @@ def ser_string_vector(l): return r -def deser_int_vector(f): - nit = deser_compact_size(f) - r = [] - for i in range(nit): - t = struct.unpack("<i", f.read(4))[0] - r.append(t) - return r - - -def ser_int_vector(l): - r = ser_compact_size(len(l)) - for i in l: - r += struct.pack("<i", i) - return r - # Deserialize from a hex string representation (eg from RPC) def FromHex(obj, hex_string): obj.deserialize(BytesIO(hex_str_to_bytes(hex_string))) |