diff options
Diffstat (limited to 'lib/libpthread/arch/i386/machdep.c')
| -rw-r--r-- | lib/libpthread/arch/i386/machdep.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/lib/libpthread/arch/i386/machdep.c b/lib/libpthread/arch/i386/machdep.c deleted file mode 100644 index 09ff0072fdc..00000000000 --- a/lib/libpthread/arch/i386/machdep.c +++ /dev/null @@ -1,215 +0,0 @@ -/* ==== machdep.c ============================================================ - * Copyright (c) 1995 by Chris Provenzano, proven@mit.edu - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Chris Provenzano. - * 4. The name of Chris Provenzano may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * Description : Machine dependent functions for NetBSD on i386 - * - * 1.00 93/08/04 proven - * -Started coding this file. - */ - -#ifndef lint -static const char rcsid[] = "engine-i386-freebsd-2.0.c,v 1.1 1995/03/01 01:21:20 proven Exp"; -#endif - -#include <pthread.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <stdlib.h> -#include <fcntl.h> -#include <stdio.h> - -/* ========================================================================== - * machdep_save_state() - */ -int machdep_save_state(void) -{ - return(machdep_sys_setjmp(pthread_run->machdep_data.machdep_state)); -} - -/* ========================================================================== - * machdep_save_state() - */ -int machdep_save_float_state(struct pthread * pthread) -{ - char * fdata = (char *)pthread->machdep_data.machdep_float_state; - - __asm__ ("fsave %0"::"m" (*fdata)); -} - -/* ========================================================================== - * machdep_restore_state() - */ -void machdep_restore_state(void) -{ - machdep_sys_longjmp(pthread_run->machdep_data.machdep_state, 1); -} - -/* ========================================================================== - * machdep_restore_float_state() - */ -int machdep_restore_float_state(void) -{ - char * fdata = (char *)pthread_run->machdep_data.machdep_float_state; - - __asm__ ("frstor %0"::"m" (*fdata)); -} - -/* ========================================================================== - * machdep_set_thread_timer() - */ -void machdep_set_thread_timer(struct machdep_pthread *machdep_pthread) -{ - if (setitimer(ITIMER_VIRTUAL, &(machdep_pthread->machdep_timer), NULL)) { - PANIC(); - } -} - -/* ========================================================================== - * machdep_unset_thread_timer() - */ -void machdep_unset_thread_timer(struct machdep_pthread *machdep_pthread) -{ - struct itimerval zeroval = { { 0, 0 }, { 0, 0 } }; - int ret; - - if (machdep_pthread) { - ret = setitimer(ITIMER_VIRTUAL, &zeroval, - &(machdep_pthread->machdep_timer)); - } else { - ret = setitimer(ITIMER_VIRTUAL, &zeroval, NULL); - } - - if (ret) { - PANIC(); - } -} - -/* ========================================================================== - * machdep_pthread_cleanup() - */ -void *machdep_pthread_cleanup(struct machdep_pthread *machdep_pthread) -{ - return(machdep_pthread->machdep_stack); -} - -/* ========================================================================== - * machdep_pthread_start() - */ -void machdep_pthread_start(void) -{ - context_switch_done(); - pthread_sched_resume(); - - /* Run current threads start routine with argument */ - pthread_exit(pthread_run->machdep_data.start_routine - (pthread_run->machdep_data.start_argument)); - - /* should never reach here */ - PANIC(); -} - -/* ========================================================================== - * __machdep_stack_free() - */ -void __machdep_stack_free(void * stack) -{ - free(stack); -} - -/* ========================================================================== - * __machdep_stack_alloc() - */ -void * __machdep_stack_alloc(size_t size) -{ - void * stack; - - return(malloc(size)); -} - -/* ========================================================================== - * __machdep_pthread_create() - */ -void __machdep_pthread_create(struct machdep_pthread *machdep_pthread, - void *(* start_routine)(), void *start_argument, - long stack_size, long nsec, long flags) -{ - machdep_pthread->start_routine = start_routine; - machdep_pthread->start_argument = start_argument; - - machdep_pthread->machdep_timer.it_value.tv_sec = 0; - machdep_pthread->machdep_timer.it_interval.tv_sec = 0; - machdep_pthread->machdep_timer.it_interval.tv_usec = 0; - machdep_pthread->machdep_timer.it_value.tv_usec = nsec / 1000; - - machdep_sys_setjmp(machdep_pthread->machdep_state); - /* - * Set up new stact frame so that it looks like it - * returned from a longjmp() to the beginning of - * machdep_pthread_start(). - */ - machdep_pthread->machdep_state[0] = (int)machdep_pthread_start; - - /* Stack starts high and builds down. */ - machdep_pthread->machdep_state[2] = - (int)machdep_pthread->machdep_stack + stack_size; -} - -/* ========================================================================== - * machdep_sys_creat() - */ -machdep_sys_creat(char * path, int mode) -{ - return(machdep_sys_open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)); -} - -/* ========================================================================== - * machdep_sys_wait3() - */ -machdep_sys_wait3(int * b, int c, int * d) -{ - return(machdep_sys_wait4(0, b, c, d)); -} - -/* ========================================================================== - * machdep_sys_waitpid() - */ -machdep_sys_waitpid(int a, int * b, int c) -{ - return(machdep_sys_wait4(a, b, c, NULL)); -} - -/* ========================================================================== - * machdep_sys_getdtablesize() - */ -machdep_sys_getdtablesize() -{ - return(sysconf(_SC_OPEN_MAX)); -} |