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regint.h: Reduce the frequency of rb_thread_check_ints

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edc8576a65 checks interrupt at every
backtrack, which brought significant overhead.

This change makes the check only once every 128 backtracks.
This commit is contained in:
Yusuke Endoh 2022-03-24 01:57:34 +09:00
parent 1357b14750
commit 9112cf4ae7
Notes: git 2022-03-24 09:47:51 +09:00
2 changed files with 10 additions and 1 deletions
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2
regexec.c
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@ -421,6 +421,7 @@ onig_region_copy(OnigRegion* to, const OnigRegion* from)
(msa).start = (arg_start);\
(msa).gpos = (arg_gpos);\
(msa).best_len = ONIG_MISMATCH;\
(msa).counter = 0;\
} while(0)
#else
# define MATCH_ARG_INIT(msa, arg_option, arg_region, arg_start, arg_gpos) do {\
@ -429,6 +430,7 @@ onig_region_copy(OnigRegion* to, const OnigRegion* from)
(msa).region = (arg_region);\
(msa).start = (arg_start);\
(msa).gpos = (arg_gpos);\
(msa).counter = 0;\
} while(0)
#endif

9
regint.h
View file

@ -148,7 +148,13 @@
#ifdef RUBY
# define CHECK_INTERRUPT_IN_MATCH_AT rb_thread_check_ints()
# define CHECK_INTERRUPT_IN_MATCH_AT do { \
msa->counter++; \
if (msa->counter >= 128) { \
msa->counter = 0; \
rb_thread_check_ints(); \
} \
} while(0)
# define onig_st_init_table st_init_table
# define onig_st_init_table_with_size st_init_table_with_size
# define onig_st_init_numtable st_init_numtable
@ -870,6 +876,7 @@ typedef struct {
void* state_check_buff;
int state_check_buff_size;
#endif
int counter;
} OnigMatchArg;