1 files changed, 33 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches-0.9.31/000-upstream_initialize_stdio_locking.patch b/toolchain/uClibc/patches-0.9.31/000-upstream_initialize_stdio_locking.patch
new file mode 100644
index 0000000000..6a32e5d7c0
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.31/000-upstream_initialize_stdio_locking.patch
@@ -0,0 +1,33 @@
+From d4ede2b0a4727c1f5236dd9308f09cbf7a39761a Mon Sep 17 00:00:00 2001
+From: Timo Teräs <timo.teras@iki.fi>
+Date: Tue, 13 Apr 2010 06:38:59 +0000
+Subject: linuxthreads.new: initialize stdio locking
+
+uClibc requires the threading library to enable locking for
+stdio, or the locking is not done at all.
+
+Signed-off-by: Timo Teräs <timo.teras@iki.fi>
+Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
+---
+diff --git a/libpthread/linuxthreads/pthread.c b/libpthread/linuxthreads/pthread.c
+index 6ae9a10..614cad1 100644
+--- a/libpthread/linuxthreads/pthread.c
++++ b/libpthread/linuxthreads/pthread.c
+@@ -613,6 +613,17 @@ static void pthread_initialize(void)
+ #ifdef USE_TLS
+   GL(dl_init_static_tls) = &__pthread_init_static_tls;
+ #endif
++
++  /* uClibc-specific stdio initialization for threads. */
++  {
++    FILE *fp;
++    _stdio_user_locking = 0;       /* 2 if threading not initialized */
++    for (fp = _stdio_openlist; fp != NULL; fp = fp->__nextopen) {
++      if (fp->__user_locking != 1) {
++        fp->__user_locking = 0;
++      }
++    }
++  }
+ }
+ 
+ void __pthread_initialize(void)