src/common/thread.c

   1 /*
   2  * Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #include <string.h>
   9
  10 #include <common/compat/pthread.h>
  11 #include "thread.h"
  12
  13 #define LTTNG_PTHREAD_NAMELEN 16
  14
  15 int lttng_thread_setname(const char *name)
  16 {
  17         int ret;
  18         char pthread_name[LTTNG_PTHREAD_NAMELEN];
  19
  20         /*
  21          * Truncations are expected since pthread limits thread names to
  22          * a generous 16 characters.
  23          */
  24         strncpy(pthread_name, name, sizeof(pthread_name));
  25         pthread_name[sizeof(pthread_name) - 1] = '\0';
  26
  27         ret = lttng_pthread_setname_np(pthread_name);
  28
  29         return ret;
  30 }
  31