X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Funicode.cpp;h=95415a5538e45ad11a4ed4695c5b277ae79024c3;hb=12554c93d81f75f87c34040fd7737048d3518d6d;hp=26c6a239d759d5a355712ccccadb6afa0839092c;hpb=9b9a3cf0c001d25c07056f37b3ccfd8025eefbcf;p=lyx.git

diff --git a/src/support/unicode.cpp b/src/support/unicode.cpp
index 26c6a239d7..95415a5538 100644
--- a/src/support/unicode.cpp
+++ b/src/support/unicode.cpp
@@ -14,17 +14,19 @@
 
 #include "support/unicode.h"
 #include "support/debug.h"
+#include "support/mutex.h"
 
 #include <iconv.h>
 
 #include <boost/cstdint.hpp>
 
 #include <cerrno>
-#include <iomanip>
 #include <map>
 #include <ostream>
+//Needed in MSVC
 #include <string>
 
+
 using namespace std;
 
 namespace {
@@ -64,6 +66,8 @@ struct IconvProcessor::Impl
 	iconv_t cd;
 	string tocode_;
 	string fromcode_;
+
+	Mutex mutex_; // iconv() is not thread save, see #7240
 };
 
 
@@ -120,6 +124,8 @@ bool IconvProcessor::init()
 int IconvProcessor::convert(char const * buf, size_t buflen,
 		char * outbuf, size_t maxoutsize)
 {
+	Mutex::Locker lock(&pimpl_->mutex_);
+
 	if (buflen == 0)
 		return 0;
 
@@ -371,7 +377,6 @@ int max_encoded_bytes(std::string const & encoding)
 	// The CJK encodings use (different) multibyte representation as well.
 	// All other encodings encode one UCS4 code point in one byte
 	// (and can therefore only encode a subset of UCS4)
-	// Note that BIG5 and SJIS do not work with LaTeX (see lib/encodings).
 	// Furthermore, all encodings that use shifting (like SJIS) do not work with
 	// iconv_codecvt_facet.
 	if (encoding == "UTF-8" ||