diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/sigsetjmp.c')
-rw-r--r-- | usr/src/lib/libbc/libc/sys/common/sigsetjmp.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/sigsetjmp.c b/usr/src/lib/libbc/libc/sys/common/sigsetjmp.c deleted file mode 100644 index fab2911048..0000000000 --- a/usr/src/lib/libbc/libc/sys/common/sigsetjmp.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* Copyright (c) 1988 AT&T */ -/* All Rights Reserved */ - - -/* - * Copyright 2004 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - - -#include <sys/setjmp.h> -#include "ucontext.h" - -int _getsp(); - -int -sigsetjmp(env, savemask) - sigjmp_buf env; - int savemask; -{ - register o_setjmp_struct_t *bp = (o_setjmp_struct_t *)env; - register int sp = _getsp(); - ucontext_t uc; - - /* - * Get the current machine context. - */ - uc.uc_flags = UC_STACK | UC_SIGMASK; - __getcontext(&uc); - - /* - * Note that the pc and former sp (fp) from the stack are valid - * because the call to __getcontext must flush the user windows - * to the stack. - */ - bp->sjs_flags = 0; - bp->sjs_sp = *((int *)sp+14); - bp->sjs_pc = *((int *)sp+15) + 0x8; - bp->sjs_stack = uc.uc_stack; - - if (savemask) { - /* save the mask */ - bp->sjs_flags |= JB_SAVEMASK; - memcpy(bp->sjs_sigmask, &(uc.uc_sigmask), 3 * sizeof (int)); - } else { - memset(bp->sjs_sigmask, 0, 3 * sizeof (int)); - } - - return (0); -} - - -void -siglongjmp(env, val) - sigjmp_buf env; - int val; -{ - o_setjmp_struct_t *bp = (o_setjmp_struct_t *)env; - setjmp_struct_t sjmp, *sp; - - sp = &sjmp; - sp->sjs_flags = bp->sjs_flags; - sp->sjs_sp = bp->sjs_sp; - sp->sjs_pc = bp->sjs_pc; - sp->sjs_fp = 0; - sp->sjs_i7 = 0; - sp->sjs_uclink = 0; - sp->sjs_sigmask[0] = bp->sjs_sigmask[0]; - sp->sjs_sigmask[1] = bp->sjs_sigmask[1]; - sp->sjs_sigmask[2] = bp->sjs_sigmask[2]; - sp->sjs_sigmask[3] = 0; - sp->sjs_stack = bp->sjs_stack; - - _siglongjmp(sjmp, val); -} - -int -_setjmp(env) - jmp_buf env; -{ - register o_setjmp_struct_t *bp = (o_setjmp_struct_t *)env; - register int sp = _getsp(); - ucontext_t uc; - - /* - * Get the current machine context. - */ - uc.uc_flags = UC_STACK; - __getcontext(&uc); - - /* - * Note that the pc and former sp (fp) from the stack are valid - * because the call to __getcontext must flush the user windows - * to the stack. - */ - bp->sjs_flags = 0; - bp->sjs_sp = *((int *)sp+14); - bp->sjs_pc = *((int *)sp+15) + 0x8; - bp->sjs_sigmask[0] = 0; - bp->sjs_sigmask[1] = 0; - bp->sjs_sigmask[2] = 0; - bp->sjs_stack = uc.uc_stack; - - return (0); -} - - -void -_longjmp(env, val) - jmp_buf env; - int val; -{ - o_setjmp_struct_t *bp = (o_setjmp_struct_t *)env; - setjmp_struct_t sjmp, *sp; - - sp = &sjmp; - sp->sjs_flags = bp->sjs_flags; - sp->sjs_sp = bp->sjs_sp; - sp->sjs_pc = bp->sjs_pc; - sp->sjs_fp = 0; - sp->sjs_i7 = 0; - sp->sjs_uclink = 0; - sp->sjs_sigmask[0] = bp->sjs_sigmask[0]; - sp->sjs_sigmask[1] = bp->sjs_sigmask[1]; - sp->sjs_sigmask[2] = bp->sjs_sigmask[2]; - sp->sjs_sigmask[3] = 0; - sp->sjs_stack = bp->sjs_stack; - - _siglongjmp(sjmp, val); -} |