Merge branch 'master' into urcu/rcuja-range-merge

[userspace-rcu.git] / tests / common / thread-id.h

diff --git a/tests/common/thread-id.h b/tests/common/thread-id.h
new file mode 100644 (file)
index 0000000..04db5bb
--- /dev/null
+++ b/tests/common/thread-id.h
@@ -0,0 +1,62 @@
+#ifndef _TEST_THREAD_ID_H
+#define _TEST_THREAD_ID_H
+
+/*
+ * thread-id.h
+ *
+ * Userspace RCU library - thread ID
+ *
+ * Copyright 2013 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ *
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose,  provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
+#include <config.h>
+
+#ifdef __linux__
+# include <urcu/syscall-compat.h>
+
+# if defined(HAVE_GETTID)
+/*
+ * Do not redefine gettid() as it is already included
+ * in bionic through <unistd.h>. Some other libc
+ * may also already contain an implementation of gettid.
+ */
+# elif defined(_syscall0)
+_syscall0(pid_t, gettid)
+# elif defined(__NR_gettid)
+static inline pid_t gettid(void)
+{
+       return syscall(__NR_gettid);
+}
+# endif
+
+static inline
+unsigned long urcu_get_thread_id(void)
+{
+       return (unsigned long) gettid();
+}
+#elif defined(__FreeBSD__)
+# include <pthread_np.h>
+
+static inline
+unsigned long urcu_get_thread_id(void)
+{
+       return (unsigned long) pthread_getthreadid_np();
+}
+#else
+# warning "use pid as thread ID"
+static inline
+unsigned long urcu_get_thread_id(void)
+{
+       return (unsigned long) getpid();
+}
+#endif
+
+#endif /* _TEST_THREAD_ID_H */