git: fcdf9d7de536 - main - xlocale.c:init_key(): do not ignore errors from pthread_key_create()

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=fcdf9d7de5363259e33be29bccc8b2b5dc091af8

commit fcdf9d7de5363259e33be29bccc8b2b5dc091af8
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2022-02-02 17:23:55 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2022-02-03 01:02:58 +0000

    xlocale.c:init_key(): do not ignore errors from pthread_key_create()
    
    Reviewed by:    markj
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D34140
---
 lib/libc/locale/xlocale.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/libc/locale/xlocale.c b/lib/libc/locale/xlocale.c
index 528403693ad4..e07568775394 100644
--- a/lib/libc/locale/xlocale.c
+++ b/lib/libc/locale/xlocale.c
@@ -117,11 +117,16 @@ static locale_t thread_local_locale;
 static void
 init_key(void)
 {
+	int error;
 
-	pthread_key_create(&locale_info_key, xlocale_release);
-	pthread_setspecific(locale_info_key, (void*)42);
-	if (pthread_getspecific(locale_info_key) == (void*)42) {
-		pthread_setspecific(locale_info_key, 0);
+	error = pthread_key_create(&locale_info_key, xlocale_release);
+	if (error == 0) {
+		pthread_setspecific(locale_info_key, (void*)42);
+		if (pthread_getspecific(locale_info_key) == (void*)42) {
+			pthread_setspecific(locale_info_key, 0);
+		} else {
+			fake_tls = 1;
+		}
 	} else {
 		fake_tls = 1;
 	}