Rename C++ header files to .hpp

[lttng-tools.git] / src / bin / lttng-sessiond / lttng-syscall.hpp

diff --git a/src/bin/lttng-sessiond/lttng-syscall.hpp b/src/bin/lttng-sessiond/lttng-syscall.hpp
new file mode 100644 (file)
index 0000000..78691f9
--- /dev/null
+++ b/src/bin/lttng-sessiond/lttng-syscall.hpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 David Goulet <dgoulet@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef LTTNG_SYSCALL_H
+#define LTTNG_SYSCALL_H
+
+#include <common/hashtable/hashtable.hpp>
+#include <lttng/event.h>
+
+#include "trace-kernel.hpp"
+
+/*
+ * Default size of the kernel system call array. With this size, we usually
+ * reallocate twice considering a 32 bit compat layer also.
+ */
+#define SYSCALL_TABLE_INIT_SIZE    256
+
+/* Maximum length of a syscall name. */
+#define SYSCALL_NAME_LEN           255
+
+/*
+ * Represent a kernel syscall and used when we are populating the internal
+ * list.
+ */
+struct syscall {
+       uint32_t index;
+       uint32_t bitness;
+       char name[SYSCALL_NAME_LEN];
+       /* Used by the list syscalls command. */
+       struct lttng_ht_node_str node;
+};
+
+/*
+ * Allocated once when listing all syscalls at boot time. This is an array
+ * indexed by the syscall index provided in the listing.
+ */
+extern struct syscall *syscall_table;
+
+/* Use to list kernel system calls. */
+int syscall_init_table(int tracer_fd);
+ssize_t syscall_table_list(struct lttng_event **events);
+
+#endif /* LTTNG_SYSCALL_H */