compat: move the gettid macro to compat.h.

New header, meant for various compatibility definitions and such.

Signed-off-by: Gediminas Jakutis <gediminas@varciai.lt>

1 files changed, 41 insertions, 0 deletions

diff --git a/include/rin/compat.h b/include/rin/compat.h
new file mode 100644
index 0000000..035f2b5
--- /dev/null
+++ b/include/rin/compat.h
@@ -0,0 +1,41 @@
+/*
+ * The Rin Library – various compatibility constructs
+ *
+ * Copyright (C) 2015 Gediminas Jakutis
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1
+ * of the License.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef LIBRIN_COMPAT_INCLUDED
+#define LIBRIN_COMPAT_INCLUDED
+
+#ifdef RIN_NEED_GETTID
+#include <unistd.h>
+
+#	ifdef __GLIBC__
+
+#		if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 29)
+#			include <sys/types.h>
+#		else
+#			define _GNU_SOURCE
+#			include <sys/syscall.h>
+#			define gettid() (syscall(SYS_gettid))
+#		endif
+
+#	endif
+#endif /* RIN_NEED_GETTID */
+
+
+#endif /* LIBRIN_COMPAT_INCLUDED */