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/* bashjmp.h -- wrapper for setjmp.h with necessary bash definitions. */
#ifndef _BASHJMP_H_
#define _BASHJMP_H_
#include <setjmp.h>
/* This *must* be included *after* config.h */
#if defined (HAVE_POSIX_SIGSETJMP)
# define procenv_t sigjmp_buf
# undef setjmp
# define setjmp(x) sigsetjmp((x), 1)
# undef longjmp
# define longjmp(x, n) siglongjmp((x), (n))
#else
# define procenv_t jmp_buf
#endif
extern procenv_t top_level;
extern procenv_t subshell_top_level;
extern procenv_t return_catch; /* used by `return' builtin */
#define SHFUNC_RETURN() longjmp (return_catch, 1)
#define COPY_PROCENV(old, save) \
xbcopy ((char *)old, (char *)save, sizeof (procenv_t));
/* Values for the second argument to longjmp/siglongjmp. */
#define NOT_JUMPED 0 /* Not returning from a longjmp. */
#define FORCE_EOF 1 /* We want to stop parsing. */
#define DISCARD 2 /* Discard current command. */
#define EXITPROG 3 /* Unconditionally exit the program now. */
#endif /* _BASHJMP_H_ */
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