1/* 2 * Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers. 3 * All rights reserved. 4 * 5 * By using this file, you agree to the terms and conditions set 6 * forth in the LICENSE file which can be found at the top level of 7 * the sendmail distribution. 8 * 9 * $Id: setjmp.h,v 1.4 2013-11-22 20:51:31 ca Exp $ 10 */ 11 12#ifndef SM_SETJMP_H 13# define SM_SETJMP_H 14 15# include <sm/config.h> 16# include <setjmp.h> 17 18/* 19** sm_setjmp_sig is a setjmp that saves the signal mask. 20** sm_setjmp_nosig is a setjmp that does *not* save the signal mask. 21** SM_JMPBUF_T is used with both of the above macros. 22** 23** On most systems, these can be implemented using sigsetjmp. 24** Some old BSD systems do not have sigsetjmp, but they do have 25** setjmp and _setjmp, which are just as good. 26*/ 27 28# if SM_CONF_SIGSETJMP 29 30typedef sigjmp_buf SM_JMPBUF_T; 31# define sm_setjmp_sig(buf) sigsetjmp(buf, 1) 32# define sm_setjmp_nosig(buf) sigsetjmp(buf, 0) 33# define sm_longjmp_sig(buf, val) siglongjmp(buf, val) 34# define sm_longjmp_nosig(buf, val) siglongjmp(buf, val) 35 36# else /* SM_CONF_SIGSETJMP */ 37 38typedef jmp_buf SM_JMPBUF_T; 39# define sm_setjmp_sig(buf) setjmp(buf) 40# define sm_longjmp_sig(buf, val) longjmp(buf, val) 41# define sm_setjmp_nosig(buf) _setjmp(buf) 42# define sm_longjmp_nosig(buf, val) _longjmp(buf, val) 43 44# endif /* SM_CONF_SIGSETJMP */ 45 46#endif /* ! SM_SETJMP_H */ 47