/usr/include/elk/exception.h is in libelk0-dev 3.99.8-2.1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | /* exception.h
*
* $Id$
*
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
* Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
*
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
*
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
* owners or individual owners of copyright in this software, grant to any
* person or company a worldwide, royalty free, license to
*
* i) copy this software,
* ii) prepare derivative works based on this software,
* iii) distribute copies of this software or derivative works,
* iv) perform this software, or
* v) display this software,
*
* provided that this notice is not removed and that neither Oliver Laumann
* nor Teles nor Nixdorf are deemed to have made any representations as to
* the suitability of this software for any purpose nor are held responsible
* for any defects of this software.
*
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
extern int Intr_Was_Ignored;
extern unsigned long Intr_Level;
#if defined(HAVE_SIGPROCMASK)
extern sigset_t Sigset_Old, Sigset_Block;
#elif defined(HAVE_SIGBLOCK)
extern int Sigmask_Old, Sigmask_Block;
#else
C_LINKAGE_BEGIN
extern void Intr_Handler (int);
C_LINKAGE_END
#endif
#if defined(HAVE_SIGPROCMASK) || ! defined(HAVE_SIGBLOCK)
# ifndef sigmask
# define sigmask(n) (1 << ((n)-1))
# endif
#endif
#define Disable_Interrupts {\
if (Intr_Level++ == 0) Force_Disable_Interrupts;\
}
#define Enable_Interrupts {\
if (Intr_Level > 0 && --Intr_Level == 0) Force_Enable_Interrupts;\
}
#ifdef HAVE_SIGPROCMASK
#define Force_Disable_Interrupts (void)sigprocmask (SIG_BLOCK, &Sigset_Block,\
(sigset_t *)0)
#define Force_Enable_Interrupts (void)sigprocmask (SIG_SETMASK, &Sigset_Old,\
(sigset_t *)0)
#elif defined(HAVE_SIGBLOCK)
#define Force_Disable_Interrupts (void)sigblock (Sigmask_Block)
#define Force_Enable_Interrupts (void)sigsetmask (Sigmask_Old)
#else
#define Force_Disable_Interrupts {\
if (!Intr_Was_Ignored) (void)signal (SIGINT, SIG_IGN);\
}
#define Force_Enable_Interrupts {\
if (!Intr_Was_Ignored) (void)signal (SIGINT, Intr_Handler);\
}
#endif
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