1 files changed, 80 insertions, 0 deletions
diff --git a/gprofng/libcollector/tsd.h b/gprofng/libcollector/tsd.h
new file mode 100644
index 0000000..38b3d53
--- /dev/null
+++ b/gprofng/libcollector/tsd.h
@@ -0,0 +1,80 @@
+/* Copyright (C) 2021 Free Software Foundation, Inc.
+   Contributed by Oracle.
+
+   This file is part of GNU Binutils.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+/* Thread-specific data */
+
+#ifndef _TSD_H
+#define _TSD_H
+
+#include <sys/types.h>
+
+int __collector_tsd_init ();
+/* Function: Init tsd module.  Call once before using other functions.
+   MT-Level: Unsafe
+   Return:   0 if successful
+ */
+
+void __collector_tsd_fini ();
+/* Function: Shutdown tsd module.
+   MT-Level: Unsafe
+   Return:   None
+ */
+
+void __collector_tsd_fork_child_cleanup ();
+/* Function: Reset tsd module.  Call immediately after fork() in child process.
+   MT-Level: Unsafe
+   Return:   None
+ */
+
+int __collector_tsd_allocate ();
+/* Function: Allocate thread info.
+	     Call from threads before using tsd_get_by_key().
+	     Call from main thread should be made before calls from other threads.
+   MT-Level: First call is unsafe.  Safe afterwards.
+   Return:   0 if successful
+ */
+
+void __collector_tsd_release ();
+/* Function: Free thread info.
+	     Call from threads just before thread termination.
+   MT-Level: Safe
+   Return:   None
+ */
+
+#define COLLECTOR_TSD_INVALID_KEY ((unsigned)-1)
+unsigned __collector_tsd_create_key (size_t memsize, void (*init)(void*), void (*fini)(void*));
+/* Function: Reserve TDS memory.
+   MT-Level: Unsafe
+   Inputs:   <memsize>: number of bytes to reserve
+	     <init>: key memory initialization.  Must be callable even if
+		     the associated thread has not yet been created.
+	     <fini>: key memory finalization.  Must be callable even if
+		     the associated thread has been terminated.
+   Return:   key or COLLECTOR_TSD_INVALID_KEY if not successful.
+ */
+
+void *__collector_tsd_get_by_key (unsigned key);
+/* Function: Get TSD memory.
+	     Call from threads after calling tsd_allocate().
+   MT-Level: Safe
+   Inputs:   <key>: return value from tsd_create_key()
+   Return:   memory if successful, NULL otherwise
+ */
+#endif /* _TSD_H */