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-rw-r--r--macros/texinfo/texinfo/gnulib/lib/glthread/threadlib.c39
1 files changed, 37 insertions, 2 deletions
diff --git a/macros/texinfo/texinfo/gnulib/lib/glthread/threadlib.c b/macros/texinfo/texinfo/gnulib/lib/glthread/threadlib.c
index a5ebd9bfe1..373806ee27 100644
--- a/macros/texinfo/texinfo/gnulib/lib/glthread/threadlib.c
+++ b/macros/texinfo/texinfo/gnulib/lib/glthread/threadlib.c
@@ -1,5 +1,5 @@
/* Multithreading primitives.
- Copyright (C) 2005-2019 Free Software Foundation, Inc.
+ Copyright (C) 2005-2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -20,15 +20,48 @@
/* ========================================================================= */
-#if USE_POSIX_THREADS
+#if USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS
/* Use the POSIX threads library. */
+# include <errno.h>
# include <pthread.h>
# include <stdlib.h>
# if PTHREAD_IN_USE_DETECTION_HARD
+# if defined __FreeBSD__ || defined __DragonFly__ /* FreeBSD */
+
+/* Test using pthread_key_create. */
+
+int
+glthread_in_use (void)
+{
+ static int tested;
+ static int result; /* 1: linked with -lpthread, 0: only with libc */
+
+ if (!tested)
+ {
+ pthread_key_t key;
+ int err = pthread_key_create (&key, NULL);
+
+ if (err == ENOSYS)
+ result = 0;
+ else
+ {
+ result = 1;
+ if (err == 0)
+ pthread_key_delete (key);
+ }
+ tested = 1;
+ }
+ return result;
+}
+
+# else /* Solaris, HP-UX */
+
+/* Test using pthread_create. */
+
/* The function to be executed by a dummy thread. */
static void *
dummy_thread_func (void *arg)
@@ -62,6 +95,8 @@ glthread_in_use (void)
return result;
}
+# endif
+
# endif
#endif