toolchain/uClibc/patches-0.9.31/000-upstream_initialize_stdio_locking.patch

   1 From d4ede2b0a4727c1f5236dd9308f09cbf7a39761a Mon Sep 17 00:00:00 2001
   2 From: Timo Teräs <timo.teras@iki.fi>
   3 Date: Tue, 13 Apr 2010 06:38:59 +0000
   4 Subject: linuxthreads.new: initialize stdio locking
   5
   6 uClibc requires the threading library to enable locking for
   7 stdio, or the locking is not done at all.
   8
   9 Signed-off-by: Timo Teräs <timo.teras@iki.fi>
  10 Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
  11 ---
  12 diff --git a/libpthread/linuxthreads/pthread.c b/libpthread/linuxthreads/pthread.c
  13 index 6ae9a10..614cad1 100644
  14 --- a/libpthread/linuxthreads/pthread.c
  15 +++ b/libpthread/linuxthreads/pthread.c
  16 @@ -613,6 +613,17 @@ static void pthread_initialize(void)
  17  #ifdef USE_TLS
  18    GL(dl_init_static_tls) = &__pthread_init_static_tls;
  19  #endif
  20 +
  21 +  /* uClibc-specific stdio initialization for threads. */
  22 +  {
  23 +    FILE *fp;
  24 +    _stdio_user_locking = 0;       /* 2 if threading not initialized */
  25 +    for (fp = _stdio_openlist; fp != NULL; fp = fp->__nextopen) {
  26 +      if (fp->__user_locking != 1) {
  27 +        fp->__user_locking = 0;
  28 +      }
  29 +    }
  30 +  }
  31  }
  32
  33  void __pthread_initialize(void)