| 1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
| 2 | #include "perl.h" |
2 | #include "perl.h" |
| 3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
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4 | |
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5 | #include <fcntl.h> |
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6 | #include <unistd.h> |
| 4 | |
7 | |
| 5 | typedef CV *B__CV; |
8 | typedef CV *B__CV; |
| 6 | |
9 | |
| 7 | static OP *(*old_entersub)(pTHX); |
10 | static OP *(*old_entersub)(pTHX); |
| 8 | |
11 | |
| 9 | // this is, of course, a slower entersub |
12 | // this is, of course, a slower entersub |
| 10 | static OP * |
13 | static OP * |
| 11 | faster_entersub (pTHX) |
14 | faster_entersub (pTHX) |
| 12 | { |
15 | { |
| 13 | dSP; |
16 | static int in_perl; |
| 14 | dTOPss; |
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| 15 | |
17 | |
| 16 | if (SvTYPE (sv) == SVt_PVGV) |
18 | if (!PL_compcv || in_perl) // only when not compiling, reduces recompiling due to op-address-shift |
| 17 | sv = (SV *)GvCV (sv); |
19 | { |
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20 | dSP; |
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21 | dTOPss; |
| 18 | |
22 | |
| 19 | if (sv) |
23 | ++in_perl; |
| 20 | { |
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| 21 | // only once for now |
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| 22 | PL_op->op_ppaddr = old_entersub; |
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| 23 | |
24 | |
| 24 | // only simple cv calls for now |
25 | if (SvTYPE (sv) == SVt_PVGV) |
| 25 | if (!PL_perldb && !PL_tainting |
26 | sv = (SV *)GvCV (sv); |
| 26 | && SvTYPE (sv) == SVt_PVCV && !CvXSUB (sv) |
27 | |
| 27 | && CvSTART (sv) // must exist |
28 | if (sv) |
| 28 | && CvSTART (sv)->op_type != OP_NULL) // shield against compiling an already-compiled op |
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| 29 | { |
29 | { |
| 30 | SV *bsv = newSViv (PTR2IV (sv)); |
30 | // only once for now |
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31 | PL_op->op_ppaddr = old_entersub; |
| 31 | |
32 | |
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33 | // only simple cv calls for now |
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34 | if (!PL_perldb && !PL_tainting |
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35 | && SvTYPE (sv) == SVt_PVCV && !CvISXSUB (sv) |
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36 | && CvSTART (sv) // must exist |
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37 | && CvSTART (sv)->op_type != OP_NULL) // shield against compiling an already-compiled op |
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38 | { |
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39 | SV *bsv = newSViv (PTR2IV (sv)); |
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40 | |
| 32 | ENTER; |
41 | ENTER; |
| 33 | SAVETMPS; |
42 | SAVETMPS; |
| 34 | PUSHMARK (SP); |
43 | PUSHMARK (SP); |
| 35 | // emulate B::CV typemap entry we don't have |
44 | // emulate B::CV typemap entry we don't have |
| 36 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (bsv), gv_stashpv ("B::CV", 1)))); |
45 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (bsv), gv_stashpv ("B::CV", 1)))); |
| 37 | PUTBACK; |
46 | PUTBACK; |
| 38 | call_pv ("Faster::entersub", G_VOID|G_DISCARD|G_EVAL); |
47 | call_pv ("Faster::entersub", G_VOID|G_DISCARD|G_EVAL); |
| 39 | SPAGAIN; |
48 | SPAGAIN; |
| 40 | FREETMPS; |
49 | FREETMPS; |
| 41 | LEAVE; |
50 | LEAVE; |
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51 | } |
| 42 | } |
52 | } |
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53 | |
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54 | --in_perl; |
| 43 | } |
55 | } |
| 44 | |
56 | |
| 45 | return old_entersub (aTHX); |
57 | return old_entersub (aTHX); |
| 46 | } |
58 | } |
| 47 | |
59 | |
| … | |
… | |
| 80 | op->op_ppaddr = ptr; |
92 | op->op_ppaddr = ptr; |
| 81 | |
93 | |
| 82 | CvSTART (cv) = op; |
94 | CvSTART (cv) = op; |
| 83 | } |
95 | } |
| 84 | |
96 | |
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97 | bool |
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98 | fcntl_lock (int fd) |
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99 | CODE: |
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100 | { |
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101 | struct flock lck; |
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102 | lck.l_type = F_WRLCK; |
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103 | lck.l_whence = SEEK_SET; |
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104 | lck.l_start = 0; |
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105 | lck.l_len = 0; |
| 85 | |
106 | |
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107 | RETVAL = fcntl (fd, F_SETLKW, &lck) == 0; |
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108 | } |
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109 | OUTPUT: |
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110 | RETVAL |
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111 | |
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112 | |
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113 | |
