Merge #18786: init: Remove boost from ThreadImport

faec3dc2adc487af97c22408f9f0bfe33f44a230 init: Remove boost from ThreadImport (MarcoFalke)

Pull request description:

  Can be tested by calling `-reindex` or `-loadblock` and then pressing `CTRL`+`C`.

  Should print something like:

  ```
  ...
  2020-04-27T19:34:31Z [loadblk] Reindexing block file blk00005.dat...
  ^C2020-04-27T19:34:32Z [loadblk] Shutdown requested. Exit ThreadImport
  2020-04-27T19:34:32Z [qt-init] Interrupting HTTP server
  ...
  ```

ACKs for top commit:
  laanwj:
    Code review ACK faec3dc2adc487af97c22408f9f0bfe33f44a230
  hebasto:
    ACK faec3dc2adc487af97c22408f9f0bfe33f44a230, tested on Linux Mint 19.3 (x86_64) both `bitcoind` and `bitcoin-qt` binaries.

Tree-SHA512: e105af18d98296d82ec99f48e478cf44577e3c32f7e4b47617a7bc7cbf71d6becb92722f229a1be38d58ad29712704509ad9740d8ab8cd3104cf90057664b437

1 files changed, 8 insertions, 0 deletions

diff --git a/src/init.cpp b/src/init.cpp
index a213dacbe..3e2ee4d42 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -708,6 +708,10 @@ static void ThreadImport(std::vector<fs::path> vImportFiles)
                 break; // This error is logged in OpenBlockFile
             LogPrintf("Reindexing block file blk%05u.dat...\n", (unsigned int)nFile);
             LoadExternalBlockFile(chainparams, file, &pos);
+            if (ShutdownRequested()) {
+                LogPrintf("Shutdown requested. Exit %s\n", __func__);
+                return;
+            }
             nFile++;
         }
         pblocktree->WriteReindexing(false);
@@ -723,6 +727,10 @@ static void ThreadImport(std::vector<fs::path> vImportFiles)
         if (file) {
             LogPrintf("Importing blocks file %s...\n", path.string());
             LoadExternalBlockFile(chainparams, file);
+            if (ShutdownRequested()) {
+                LogPrintf("Shutdown requested. Exit %s\n", __func__);
+                return;
+            }
         } else {
             LogPrintf("Warning: Could not open blocks file %s\n", path.string());
         }