Fixes

Src/IACore/CMakeLists.txt

@@ -37,11 +37,20 @@ target_link_libraries(IACore PRIVATE
 
 target_link_libraries(IACore PUBLIC mimalloc-static)
 
+if(WIN32)
+    if(MSVC)
+        target_link_options(IACore PUBLIC "/INCLUDE:mi_version")
+    else()
+        target_link_options(IACore PUBLIC "")
+    endif()
+endif()
+
 target_precompile_headers(IACore PUBLIC inc/IACore/PCH.hpp)
 
-target_compile_options(IACore PRIVATE -fno-exceptions)
+set(NO_EXCEPT_FLAG "$<IF:$<CXX_COMPILER_ID:MSVC>,/EHs-c-,-fno-exceptions>")
+target_compile_options(IACore PRIVATE ${NO_EXCEPT_FLAG})
 target_compile_options(IACore INTERFACE
-    $<$<NOT:$<BOOL:$<TARGET_PROPERTY:USE_EXCEPTIONS>>>:-fno-exceptions>
+    $<$<NOT:$<BOOL:$<TARGET_PROPERTY:USE_EXCEPTIONS>>>:${NO_EXCEPT_FLAG}>
 )
 
 define_property(TARGET PROPERTY USE_EXCEPTIONS

Src/IACore/imp/cpp/FileOps.cpp

@@ -228,11 +228,14 @@ namespace IACore
     Expected<SIZE_T, String> FileOps::WriteTextFile(IN CONST FilePath &path, IN CONST String &contents,
                                                     IN BOOL overwrite)
     {
-        if (!overwrite && FileSystem::exists(path))
-            return MakeUnexpected(std::format("File aready exists: {}", path.string().c_str()));
-        const auto f = fopen(path.string().c_str(), "w");
+        const char *mode = overwrite ? "w" : "wx";
+        const auto f = fopen(path.string().c_str(), mode);
         if (!f)
+        {
+            if (!overwrite && errno == EEXIST)
+                return MakeUnexpected(std::format("File already exists: {}", path.string().c_str()));
             return MakeUnexpected(std::format("Failed to write to file: {}", path.string().c_str()));
+        }
         const auto result = fwrite(contents.data(), 1, contents.size(), f);
         fputc(0, f);
         fclose(f);
@@ -242,12 +245,14 @@ namespace IACore
     Expected<SIZE_T, String> FileOps::WriteBinaryFile(IN CONST FilePath &path, IN Span<UINT8> contents,
                                                       IN BOOL overwrite)
     {
-        if (!overwrite && FileSystem::exists(path))
-            return MakeUnexpected(std::format("File aready exists: {}", path.string().c_str()));
-
-        const auto f = fopen(path.string().c_str(), "wb");
+        const char *mode = overwrite ? "w" : "wx";
+        const auto f = fopen(path.string().c_str(), mode);
         if (!f)
+        {
+            if (!overwrite && errno == EEXIST)
+                return MakeUnexpected(std::format("File already exists: {}", path.string().c_str()));
             return MakeUnexpected(std::format("Failed to write to file: {}", path.string().c_str()));
+        }
         const auto result = fwrite(contents.data(), 1, contents.size(), f);
         fclose(f);
         return result;

Src/IACore/imp/cpp/IPC.cpp

@@ -175,6 +175,8 @@ namespace IACore
 
     VOID IPC_Manager::NodeSession::SendPacket(IN UINT16 packetID, IN Span<CONST UINT8> payload)
     {
+        // Protect the RingBuffer write cursor from concurrent threads
+        ScopedLock lock(SendMutex);
         MONI->Push(packetID, payload);
     }
 

Src/IACore/imp/cpp/ProcessOps.cpp

@@ -206,19 +206,35 @@ namespace IACore
             // Manual Quote-Aware Splitter
             std::string currentToken;
             bool inQuotes = false;
+            bool isEscaped = false;
 
             for (char c : args)
             {
+                if (isEscaped)
+                {
+                    // Previous char was '\', so we treat this char literally.
+                    currentToken += c;
+                    isEscaped = false;
+                    continue;
+                }
+
+                if (c == '\\')
+                {
+                    // Escape sequence start
+                    isEscaped = true;
+                    continue;
+                }
+
                 if (c == '\"')
                 {
+                    // Toggle quote state
                     inQuotes = !inQuotes;
-                    // Determine if you want to keep the quotes or strip them.
-                    // Usually for execvp, you strip them so the shell receives the raw content.
                     continue;
                 }
 
                 if (c == ' ' && !inQuotes)
                 {
+                    // Token boundary
                     if (!currentToken.empty())
                     {
                         argStorage.push_back(currentToken);
@@ -230,6 +246,7 @@ namespace IACore
                     currentToken += c;
                 }
             }
+
             if (!currentToken.empty())
             {
                 argStorage.push_back(currentToken);

Src/IACore/inc/IACore/IPC.hpp

@@ -104,6 +104,8 @@ namespace IACore
             SteadyTimePoint CreationTime{};
             SharedPtr<ProcessHandle> ProcessHandle;
 
+            Mutex SendMutex;
+
             String SharedMemName;
             PUINT8 MappedPtr{};