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Imported from ../bash-2.05a.tar.gz.

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This commit is contained in:
Jari Aalto 2001-11-13 17:56:06 +00:00
commit f73dda092b
303 changed files with 37069 additions and 28812 deletions
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55
unwind_prot.h
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@ -22,49 +22,26 @@
#define _UNWIND_PROT_H
/* Run a function without interrupts. */
extern void begin_unwind_frame ();
extern void discard_unwind_frame ();
extern void run_unwind_frame ();
extern void add_unwind_protect ();
extern void remove_unwind_protect ();
extern void run_unwind_protects ();
extern void unwind_protect_var ();
extern void clear_unwind_protect_list ();
/* Try to force correct alignment on machines where pointers and ints
differ in size. */
typedef union {
char *s;
int i;
} UWP;
extern void begin_unwind_frame __P((char *));
extern void discard_unwind_frame __P((char *));
extern void run_unwind_frame __P((char *));
extern void add_unwind_protect (); /* Not portable to arbitrary C99 hosts. */
extern void remove_unwind_protect __P((void));
extern void run_unwind_protects __P((void));
extern void clear_unwind_protect_list __P((int));
/* Define for people who like their code to look a certain way. */
#define end_unwind_frame()
/* How to protect an integer. */
#define unwind_protect_int(X) \
do \
{ \
UWP u; \
u.i = (X); \
unwind_protect_var (&(X), u.s, sizeof (int)); \
} \
while (0)
/* How to protect a variable. */
#define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X))
extern void unwind_protect_mem __P((char *, int));
#define unwind_protect_short(X) \
unwind_protect_var ((int *)&(X), (char *)&(X), sizeof (short))
/* How to protect a pointer to a string. */
#define unwind_protect_string(X) \
unwind_protect_var ((int *)&(X), \
((sizeof (char *) == sizeof (int)) ? (char *) (X) : (char *) &(X)), \
sizeof (char *))
/* How to protect any old pointer. */
#define unwind_protect_pointer(X) unwind_protect_string (X)
/* How to protect the contents of a jmp_buf. */
#define unwind_protect_jmp_buf(X) \
unwind_protect_var ((int *)(X), (char *)(X), sizeof (procenv_t))
/* Backwards compatibility */
#define unwind_protect_int unwind_protect_var
#define unwind_protect_short unwind_protect_var
#define unwind_protect_string unwind_protect_var
#define unwind_protect_pointer unwind_protect_var
#define unwind_protect_jmp_buf unwind_protect_var
#endif /* _UNWIND_PROT_H */