Changed posix write wrapper since a) write can be interrupted and b) write can write less than specified without error (Georg Sauthoff).

1 files changed, 23 insertions, 2 deletions

diff --git a/src/platforms/posix/posixFile.cpp b/src/platforms/posix/posixFile.cpp
index 79da3515..9b16d035 100644
--- a/src/platforms/posix/posixFile.cpp
+++ b/src/platforms/posix/posixFile.cpp
@@ -127,8 +127,29 @@ posixFileWriterOutputStream::~posixFileWriterOutputStream()
 
 void posixFileWriterOutputStream::write(const value_type* const data, const size_type count)
 {
-	if (::write(m_fd, data, count) == -1)
-		posixFileSystemFactory::reportError(m_path, errno);
+	const value_type* array = data;
+	size_t size = count;
+
+	while (1)
+	{
+		ssize_t ret = ::write(m_fd, array, size);
+
+		if (ret == -1)
+		{
+			if (errno == EINTR)
+				continue;
+
+			posixFileSystemFactory::reportError(m_path, errno);
+			break;
+		}
+		else if (size_t(ret) < size)
+		{
+			array += ret;
+			size -= ret;
+		}
+
+		break;
+	}
 }