Module Name: src
Committed By: christos
Date: Sat Mar 1 18:21:49 UTC 2025
Modified Files:
src/lib/libpthread: pthread_tsd.c
Log Message:
Explain that the pthread_atfork() call will not call malloc from here.
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/lib/libpthread/pthread_tsd.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libpthread/pthread_tsd.c
diff -u src/lib/libpthread/pthread_tsd.c:1.25 src/lib/libpthread/pthread_tsd.c:1.26
--- src/lib/libpthread/pthread_tsd.c:1.25 Sun Apr 10 06:38:33 2022
+++ src/lib/libpthread/pthread_tsd.c Sat Mar 1 13:21:49 2025
@@ -1,4 +1,4 @@
-/* $NetBSD: pthread_tsd.c,v 1.25 2022/04/10 10:38:33 riastradh Exp $ */
+/* $NetBSD: pthread_tsd.c,v 1.26 2025/03/01 18:21:49 christos Exp $ */
/*-
* Copyright (c) 2001, 2007, 2020 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: pthread_tsd.c,v 1.25 2022/04/10 10:38:33 riastradh Exp $");
+__RCSID("$NetBSD: pthread_tsd.c,v 1.26 2025/03/01 18:21:49 christos Exp $");
/* Need to use libc-private names for atomic operations. */
#include "../../common/lib/libc/atomic/atomic_op_namespace.h"
@@ -89,7 +89,12 @@ pthread_tsd_init(size_t *tlen)
size_t alen;
char *arena;
- pthread_atfork(pthread_tsd_prefork, pthread_tsd_postfork, pthread_tsd_postfork_child);
+ /*
+ * This pthread_atfork() call will not call malloc, since it
+ * has a cache of 3 entries, specially for this purpose.
+ */
+ pthread_atfork(pthread_tsd_prefork, pthread_tsd_postfork,
+ pthread_tsd_postfork_child);
if ((pkm = pthread__getenv("PTHREAD_KEYS_MAX")) != NULL) {
pthread_keys_max = (int)strtol(pkm, NULL, 0);
