1 files changed, 52 insertions, 0 deletions
diff --git a/sysdeps/mach/htl/pt-setname-np.c b/sysdeps/mach/htl/pt-setname-np.c
new file mode 100644
index 0000000000..2fd66730e9
--- /dev/null
+++ b/sysdeps/mach/htl/pt-setname-np.c
@@ -0,0 +1,52 @@
+/* pthread_setname_np.  Mach version.
+   Copyright (C) 2024 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C 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; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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 the GNU C Library;  if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <hurd.h>
+#include <pthread.h>
+#include <pthreadP.h>
+#include <string.h>
+
+#include <pt-internal.h>
+
+int
+__pthread_setname_np (pthread_t thread, const char *name)
+{
+#ifdef HAVE_MACH_THREAD_SET_NAME
+/* GNU Mach doesn't export this so we have to define it ourselves.  */
+#define MACH_THREAD_NAME_MAX 32
+  struct __pthread *pthread;
+  error_t err;
+
+  /* Lookup the thread structure for THREAD.  */
+  pthread = __pthread_getid (thread);
+  if (pthread == NULL)
+    return ESRCH;
+
+  if (strlen (name) >= MACH_THREAD_NAME_MAX)
+    return ERANGE;
+
+  err = __thread_set_name (pthread->kernel_thread, name);
+  if (err != KERN_SUCCESS)
+    return __hurd_fail (err);
+  return 0;
+#else
+  return ENOTSUP;
+#endif
+}
+
+weak_alias (__pthread_setname_np, pthread_setname_np)