X-Git-Url: https://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Freadwrite.hpp;fp=src%2Fcommon%2Freadwrite.hpp;h=1818fdb261f6f7c53f1f1bb788014ec8201c1f25;hb=7532fa3bd22e403958f46cd35c824f490d93292d;hp=0000000000000000000000000000000000000000;hpb=985aea182b618c85c51651f224abedfe367c75ee;p=deliverable%2Flttng-tools.git

diff --git a/src/common/readwrite.hpp b/src/common/readwrite.hpp
new file mode 100644
index 000000000..1818fdb26
--- /dev/null
+++ b/src/common/readwrite.hpp
@@ -0,0 +1,25 @@
+#ifndef LTTNG_COMMON_READWRITE_H
+#define LTTNG_COMMON_READWRITE_H
+
+/*
+ * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <unistd.h>
+#include <common/macros.hpp>
+
+/*
+ * lttng_read and lttng_write take care of EINTR and partial read/write.
+ * Upon success, they return the "count" received as parameter.
+ * They can return a negative value if an error occurs.
+ * If a value lower than the requested "count" is returned, it means an
+ * error occurred.
+ * The error can be checked by querying errno.
+ */
+ssize_t lttng_read(int fd, void *buf, size_t count);
+ssize_t lttng_write(int fd, const void *buf, size_t count);
+
+#endif /* LTTNG_COMMON_READWRITE_H */