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| author | Jari Aalto <jari.aalto@cante.net> | 2001-11-13 17:56:06 +0000 |
|---|---|---|
| committer | Jari Aalto <jari.aalto@cante.net> | 2009-09-12 16:46:54 +0000 |
| commit | f73dda092b33638d2d5e9c35375f687a607b5403 (patch) | |
| tree | f21584e70a444d6a1ecba0fb5e2cf79e8cce91db /unwind_prot.h | |
| parent | 28ef6c316f1aff914bb95ac09787a3c83c1815fd (diff) | |
| download | android_external_bash-f73dda092b33638d2d5e9c35375f687a607b5403.tar.gz android_external_bash-f73dda092b33638d2d5e9c35375f687a607b5403.tar.bz2 android_external_bash-f73dda092b33638d2d5e9c35375f687a607b5403.zip | |
Imported from ../bash-2.05a.tar.gz.
Diffstat (limited to 'unwind_prot.h')
| -rw-r--r-- | unwind_prot.h | 55 |
1 files changed, 16 insertions, 39 deletions
diff --git a/unwind_prot.h b/unwind_prot.h index 8814fde..1a24d32 100644 --- a/unwind_prot.h +++ b/unwind_prot.h @@ -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) - -#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 a variable. */ +#define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X)) +extern void unwind_protect_mem __P((char *, int)); -/* 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 */ |