Set names of worker threads

[deliverable/binutils-gdb.git] / gdb / gdbsupport / thread-pool.c

diff --git a/gdb/gdbsupport/thread-pool.c b/gdb/gdbsupport/thread-pool.c
index 8282ea374bccc0bc479045a3ebb8dac33258f153..d19ae02e3ef18d8b42f4661ce3dcb023a28194e1 100644 (file)
--- a/gdb/gdbsupport/thread-pool.c
+++ b/gdb/gdbsupport/thread-pool.c
@@ -26,6 +26,19 @@
 #include "gdbsupport/block-signals.h"
 #include <algorithm>
 
+/* On the off chance that we have the pthread library on a Windows
+   host, but std::thread is not using it, avoid calling
+   pthread_setname_np on Windows.  */
+#ifndef _WIN32
+#ifdef HAVE_PTHREAD_SETNAME_NP
+#define USE_PTHREAD_SETNAME_NP
+#endif
+#endif
+
+#ifdef USE_PTHREAD_SETNAME_NP
+#include <pthread.h>
+#endif
+
 namespace gdb
 {
 
@@ -62,6 +75,9 @@ thread_pool::set_thread_count (size_t num_threads)
       for (size_t i = m_thread_count; i < num_threads; ++i)
        {
          std::thread thread (&thread_pool::thread_function, this);
+#ifdef USE_PTHREAD_SETNAME_NP
+         pthread_setname_np (thread.native_handle (), "gdb worker");
+#endif
          thread.detach ();
        }
     }