Linux: Add the pthread_gettid_np function (bug 27880)

Current Bionic has this function, with enhanced error checking
(the undefined case terminates the process).

Reviewed-by: Joseph Myers <josmyers@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/nptl/Versions b/nptl/Versions
index 3221de89d1..ef55376dd9 100644
--- a/nptl/Versions
+++ b/nptl/Versions
@@ -378,6 +378,9 @@ libc {
     tss_get;
     tss_set;
   }
+  GLIBC_2.42 {
+    pthread_gettid_np;
+  }
   GLIBC_PRIVATE {
     __libc_alloca_cutoff;
     __lll_lock_wake_private;