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… | |
| 22 | static void |
22 | static void |
| 23 | exec_guard_cb (pTHX_ SV *cb) |
23 | exec_guard_cb (pTHX_ SV *cb) |
| 24 | { |
24 | { |
| 25 | dSP; |
25 | dSP; |
| 26 | SV *saveerr = SvOK (ERRSV) ? sv_mortalcopy (ERRSV) : 0; |
26 | SV *saveerr = SvOK (ERRSV) ? sv_mortalcopy (ERRSV) : 0; |
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27 | SV *savedie = PL_diehook; |
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28 | |
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29 | PL_diehook = 0; |
| 27 | |
30 | |
| 28 | PUSHSTACKi (PERLSI_DESTROY); |
31 | PUSHSTACKi (PERLSI_DESTROY); |
| 29 | |
32 | |
| 30 | PUSHMARK (SP); |
33 | PUSHMARK (SP); |
| 31 | PUTBACK; |
34 | PUTBACK; |
| 32 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL); |
35 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL); |
| 33 | SPAGAIN; |
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| 34 | |
36 | |
| 35 | if (SvTRUE (ERRSV)) |
37 | if (SvTRUE (ERRSV)) |
| 36 | { |
38 | { |
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39 | SPAGAIN; |
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40 | |
| 37 | PUSHMARK (SP); |
41 | PUSHMARK (SP); |
| 38 | PUTBACK; |
42 | PUTBACK; |
| 39 | call_sv (get_sv ("Guard::DIED", 1), G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
43 | call_sv (get_sv ("Guard::DIED", 1), G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
| 40 | SPAGAIN; |
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| 41 | |
44 | |
| 42 | sv_setsv (ERRSV, &PL_sv_undef); |
45 | sv_setpvn (ERRSV, "", 0); |
| 43 | } |
46 | } |
| 44 | |
47 | |
| 45 | if (saveerr) |
48 | if (saveerr) |
| 46 | sv_setsv (ERRSV, saveerr); |
49 | sv_setsv (ERRSV, saveerr); |
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50 | |
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51 | { |
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52 | SV *oldhook = PL_diehook; |
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53 | PL_diehook = savedie; |
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54 | SvREFCNT_dec (oldhook); |
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55 | } |
| 47 | |
56 | |
| 48 | POPSTACK; |
57 | POPSTACK; |
| 49 | } |
58 | } |
| 50 | |
59 | |
| 51 | static void |
60 | static void |
| … | |
… | |
| 56 | |
65 | |
| 57 | static int |
66 | static int |
| 58 | guard_free (pTHX_ SV *cv, MAGIC *mg) |
67 | guard_free (pTHX_ SV *cv, MAGIC *mg) |
| 59 | { |
68 | { |
| 60 | exec_guard_cb (aTHX_ mg->mg_obj); |
69 | exec_guard_cb (aTHX_ mg->mg_obj); |
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70 | |
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71 | return 0; |
| 61 | } |
72 | } |
| 62 | |
73 | |
| 63 | static MGVTBL guard_vtbl = { |
74 | static MGVTBL guard_vtbl = { |
| 64 | 0, 0, 0, 0, |
75 | 0, 0, 0, 0, |
| 65 | guard_free |
76 | guard_free |
| … | |
… | |
| 67 | |
78 | |
| 68 | MODULE = Guard PACKAGE = Guard |
79 | MODULE = Guard PACKAGE = Guard |
| 69 | |
80 | |
| 70 | BOOT: |
81 | BOOT: |
| 71 | guard_stash = gv_stashpv ("Guard", 1); |
82 | guard_stash = gv_stashpv ("Guard", 1); |
| 72 | |
83 | CvNODEBUG_on (get_cv ("Guard::scope_guard", 0)); /* otherwise calling scope can be the debugger */ |
| 73 | void |
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| 74 | CLONE (...) |
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| 75 | PROTOTYPE: @ |
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| 76 | CODE: |
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| 77 | guard_stash = gv_stashpv ("Guard", 1); |
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| 78 | |
84 | |
| 79 | void |
85 | void |
| 80 | scope_guard (SV *block) |
86 | scope_guard (SV *block) |
| 81 | PROTOTYPE: & |
87 | PROTOTYPE: & |
| 82 | CODE: |
88 | CODE: |
