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Imported from ../bash-2.0.tar.gz.

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This commit is contained in:
Jari Aalto
1996-12-23 17:02:34 +00:00
parent 726f63884d
commit ccc6cda312
502 changed files with 91988 additions and 69123 deletions
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32
unwind_prot.h
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@@ -22,16 +22,36 @@
#define _UNWIND_PROT_H
/* Run a function without interrupts. */
void
begin_unwind_frame (), discard_unwind_frame (),
run_unwind_frame (), add_unwind_protect (), remove_unwind_protect (),
run_unwind_protects ();
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 ();
/* Try to force correct alignment on machines where pointers and ints
differ in size. */
typedef union {
char *s;
int i;
} UWP;
/* 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) unwind_protect_var (&(X), (char *)(X), sizeof (int))
#define unwind_protect_int(X) \
do \
{ \
UWP u; \
u.i = (X); \
unwind_protect_var (&(X), u.s, sizeof (int)); \
} \
while (0)
#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) \
@@ -42,6 +62,6 @@ void
/* How to protect the contents of a jmp_buf. */
#define unwind_protect_jmp_buf(X) \
unwind_protect_var ((int *)(X), (char *)(X), sizeof (jmp_buf))
unwind_protect_var ((int *)(X), (char *)(X), sizeof (procenv_t))
#endif /* _UNWIND_PROT_H */