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regexec comment fix

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* libguile/regex-posix.c (SCM_DEFINE): Remove comment about
  threadsafety, given that regexec does appear to be threadsafe.
This commit is contained in:
Andy Wingo 2016-11-01 21:55:16 +01:00
parent 465466ce4d
commit 445837754e
1 changed files with 0 additions and 11 deletions
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11
libguile/regex-posix.c
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@ -244,17 +244,6 @@ SCM_DEFINE (scm_regexp_exec, "regexp-exec", 2, 2, 0,
"@end table") "@end table")
#define FUNC_NAME s_scm_regexp_exec #define FUNC_NAME s_scm_regexp_exec
{ {
/* We used to have an SCM_DEFER_INTS, and then later an
SCM_CRITICAL_SECTION_START, around the regexec() call. Can't quite
remember what defer ints was for, but a critical section would only be
wanted now if we think regexec() is not thread-safe. The posix spec
http://www.opengroup.org/onlinepubs/009695399/functions/regcomp.html
reads like regexec is meant to be both thread safe and reentrant
(mentioning simultaneous use in threads, and in signal handlers). So
for now believe no protection needed. */
int status, nmatches, offset; int status, nmatches, offset;
regmatch_t *matches; regmatch_t *matches;
char *c_str; char *c_str;