From c68d0fa2d88fc2134a38d99e7e944828384a7671 Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Sat, 17 Oct 2009 12:26:24 -0700 Subject: libpthread/nptl: core of the "Native Posix Threading Library" for uClibc targetting arm,sh,i386,mips,sparc for now Signed-off-by: Austin Foxley --- libpthread/nptl/sem_init.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 libpthread/nptl/sem_init.c (limited to 'libpthread/nptl/sem_init.c') diff --git a/libpthread/nptl/sem_init.c b/libpthread/nptl/sem_init.c new file mode 100644 index 000000000..0fbdf594e --- /dev/null +++ b/libpthread/nptl/sem_init.c @@ -0,0 +1,50 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include "semaphoreP.h" + + +int +__new_sem_init (sem, pshared, value) + sem_t *sem; + int pshared; + unsigned int value; +{ + /* Parameter sanity check. */ + if (__builtin_expect (value > SEM_VALUE_MAX, 0)) + { + __set_errno (EINVAL); + return -1; + } + + /* Map to the internal type. */ + struct sem *isem = (struct sem *) sem; + + /* Use the value the user provided. */ + isem->count = value; + + /* We can completely ignore the PSHARED parameter since inter-process + use needs no special preparation. */ + + return 0; +} +weak_alias(__new_sem_init, sem_init) -- cgit v1.2.3