From d968b3c86fc59507e3604ebc704aeb111f301a12 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Tue, 31 Jan 2006 19:33:56 +0000 Subject: 2006-01-31 Leif Ekblad * configure.host: RDOS support added * libc/include/sys/config.h: Ditto. * libc/sys/rdos/Makefile.am, libc/sys/rdos/Makefile.in: New files. * libc/sys/rdos/aclocal.m4, libc/sys/rdos/chown.c: Ditto. * libc/sys/rdos/close.c, libc/sys/rdos/config.h: Ditto. * libc/sys/rdos/configure, libc/sys/rdos/configure.in: Ditto. * libc/sys/rdos/crt0.S, libc/sys/rdos/execve.c: Ditto. * libc/sys/rdos/fork.c, libc/sys/rdos/fstat.c: Ditto. * libc/sys/rdos/getenv.c, libc/sys/rdos/getpid.c: Ditto. * libc/sys/rdos/gettod.c, libc/sys/rdos/isatty.c: Ditto. * libc/sys/rdos/kill.c, libc/sys/rdos/link.c: Ditto. * libc/sys/rdos/lseek.c, libc/sys/rdos/open.c: Ditto. * libc/sys/rdos/rdos.S, libc/sys/rdos/rdos.h: Ditto. * libc/sys/rdos/rdoshelp.c, libc/sys/rdos/read.c: Ditto. * libc/sys/rdos/readlink.c, libc/sys/rdos/sbrk.c: Ditto. * libc/sys/rdos/stat.c, libc/sys/rdos/symlink.c: Ditto. * libc/sys/rdos/times.c, libc/sys/rdos/unlink.c: Ditto. * libc/sys/rdos/user.def, libc/sys/rdos/wait.c: Ditto. * libc/sys/rdos/write.c: Ditto. --- newlib/libc/sys/rdos/rdoshelp.c | 162 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 newlib/libc/sys/rdos/rdoshelp.c (limited to 'newlib/libc/sys/rdos/rdoshelp.c') diff --git a/newlib/libc/sys/rdos/rdoshelp.c b/newlib/libc/sys/rdos/rdoshelp.c new file mode 100644 index 000000000..20d25353d --- /dev/null +++ b/newlib/libc/sys/rdos/rdoshelp.c @@ -0,0 +1,162 @@ +/*####################################################################### +# RDOS operating system +# Copyright (C) 1988-2006, Leif Ekblad +# +# This 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. +# +# This 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 this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# The author of this program may be contacted at leif@rdos.net +# +# rdoshelp.c +# implementation of various structures and helpers +# +##########################################################################*/ + +#include +#include +#include + +char *__env[1] = { 0 }; +char **environ = __env; + +static int once_section; +static int key_section; + +/*########################################################################## +# +# Name : _get_impure_data_size +# +# Purpose....: Get size of _reent structure +# +# In params..: * +# Out params.: * +# Returns....: size +# +##########################################################################*/ +int get_impure_data_size() +{ + return sizeof(struct _reent); +} + +/*########################################################################## +# +# Name : __rdos_thread_once +# +# Purpose....: Emulate GCC pthread_once +# +# In params..: Handle initially 0 +# : function to initially call +# Out params.: * +# Returns....: result +# +##########################################################################*/ +int __rdos_thread_once (int *handle, void (*func) (void)) +{ + if (handle == 0 || func == 0) + return 0; + + RdosEnterSection(once_section); + if (*handle == 0) + (*func)(); + else + *handle = 1; + RdosLeaveSection(once_section); + return 0; +} + +/*########################################################################## +# +# Name : __rdos_thread_mutex_init +# +# Purpose....: Emulate GCC pthread_thread_mutex_init +# +# In params..: * +# Out params.: * +# Returns....: handle +# +##########################################################################*/ +int __rdos_thread_mutex_init (void) +{ + return RdosCreateSection(); +} + +/*########################################################################## +# +# Name : __rdos_thread_mutex_lock +# +# Purpose....: Emulate GCC pthread_thread_mutex_lock +# +# In params..: handle +# Out params.: * +# Returns....: * +# +##########################################################################*/ +int __rdos_thread_mutex_lock (int handle) +{ + RdosEnterSection(handle); + return 0; +} + +/*########################################################################## +# +# Name : __rdos_thread_mutex_trylock +# +# Purpose....: Emulate GCC pthread_thread_mutex_trylock +# Try is not yet implemented, and lock is used. +# +# In params..: handle +# Out params.: * +# Returns....: * +# +##########################################################################*/ +int __rdos_thread_mutex_trylock (int handle) +{ + RdosEnterSection(handle); + return 0; +} + +/*########################################################################## +# +# Name : __rdos_thread_mutex_unlock +# +# Purpose....: Emulate GCC pthread_thread_mutex_unlock +# +# In params..: handle +# Out params.: * +# Returns....: * +# +##########################################################################*/ +int __rdos_thread_mutex_unlock (int handle) +{ + RdosLeaveSection(handle); + return 0; +} + +/*########################################################################## +# +# Name : __init_rdos +# +# Purpose....: Init RDOS specific data +# +# In params..: reent structure +# Out params.: * +# Returns....: * +# +##########################################################################*/ +void __init_rdos(struct _reent *reent) +{ + once_section = RdosCreateSection(); + _REENT_INIT_PTR(reent); + __sinit(reent); +} -- cgit v1.2.3