Add pthread_self

1 files changed, 13 insertions, 0 deletions

diff --git a/src/sys/pthread.rs b/src/sys/pthread.rs
new file mode 100644
index 00000000..83b4669a
--- /dev/null
+++ b/src/sys/pthread.rs
@@ -0,0 +1,13 @@
+use libc::{self, pthread_t};
+
+pub type Pthread = pthread_t;
+
+/// Obtain ID of the calling thread (see
+/// [pthread_self(3)](http://man7.org/linux/man-pages/man3/pthread_self.3.html)
+///
+/// The thread ID returned by pthread_self() is not the same thing as
+/// the kernel thread ID returned by a call to gettid(2).
+#[inline]
+pub fn pthread_self() -> Pthread {
+    unsafe { libc::pthread_self() }
+}