| /* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> |
| * |
| * GNU Library General Public License (LGPL) version 2 or later. |
| * |
| * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. |
| */ |
| |
| #include "_stdio.h" |
| |
| |
| #undef getchar |
| #ifdef __DO_UNLOCKED |
| |
| /* the only use of the hidden getchar_unlocked is in gets.c */ |
| #undef getchar_unlocked |
| int getchar_unlocked(void) |
| { |
| register FILE *stream = stdin; |
| |
| return __GETC_UNLOCKED_MACRO(stream); |
| } |
| libc_hidden_def(getchar_unlocked) |
| |
| #ifndef __UCLIBC_HAS_THREADS__ |
| strong_alias(getchar_unlocked,getchar) |
| #endif |
| |
| #elif defined __UCLIBC_HAS_THREADS__ |
| |
| int getchar(void) |
| { |
| register FILE *stream = stdin; |
| |
| if (stream->__user_locking != 0) { |
| return __GETC_UNLOCKED_MACRO(stream); |
| } else { |
| int retval; |
| __STDIO_ALWAYS_THREADLOCK(stream); |
| retval = __GETC_UNLOCKED_MACRO(stream); |
| __STDIO_ALWAYS_THREADUNLOCK(stream); |
| return retval; |
| } |
| } |
| |
| #endif |