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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 19:23:01 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 19:23:01 +0000
commit519f6620457d9f84d0125c0c7d01abebaae8efaa (patch)
tree28e2b20214b72aa7a633a5910dba7d2388620a78 /libio/getchar.c
parent74f331b3ccf81cf9404be03e62bde9efcc0878c2 (diff)
parent68e2fa8ed9dbf0edfdaed0310801e764c12af46e (diff)
Merge commit 'refs/top-bases/t/libc_cleanup' into t/libc_cleanup
Diffstat (limited to 'libio/getchar.c')
-rw-r--r--libio/getchar.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libio/getchar.c b/libio/getchar.c
index db1b6e3698..0e3f4153c8 100644
--- a/libio/getchar.c
+++ b/libio/getchar.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993-2016 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -33,13 +33,15 @@ int
getchar (void)
{
int result;
+ if (!_IO_need_lock (_IO_stdin))
+ return _IO_getc_unlocked (_IO_stdin);
_IO_acquire_lock (_IO_stdin);
result = _IO_getc_unlocked (_IO_stdin);
_IO_release_lock (_IO_stdin);
return result;
}
-#if defined weak_alias && !defined _IO_MTSAFE_IO
+#ifndef _IO_MTSAFE_IO
#undef getchar_unlocked
weak_alias (getchar, getchar_unlocked)
#endif