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Critical section review

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This commit is contained in:
Neil Jerram 2005-04-24 12:23:24 +00:00
parent 13155c50c4
commit a61b2054b4
3 changed files with 9 additions and 3 deletions
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2
libguile/gh.h
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@ -231,7 +231,7 @@ SCM_API void gh_newline (void);
#endif
#endif /* __GH_H */
/* njrev: critical sections reviewed so far up to here */
/*
Local Variables:
c-file-style: "gnu"

7
libguile/guardians.c
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@ -226,6 +226,7 @@ scm_guard (SCM guardian, SCM obj, int throw_p)
SCM z;
/* This critical section barrier will be replaced by a mutex. */
/* njrev: per comment above, should use a mutex. */
SCM_CRITICAL_SECTION_START;
if (GREEDY_P (g))
@ -245,6 +246,7 @@ scm_guard (SCM guardian, SCM obj, int throw_p)
else
scm_hashq_create_handle_x (greedily_guarded_whash,
obj, guardian);
/* njrev: this can throw a memory or out-of-range error. */
}
z = scm_cons (SCM_BOOL_F, SCM_BOOL_F);
@ -265,6 +267,7 @@ scm_get_one_zombie (SCM guardian)
/* This critical section barrier will be replaced by a mutex. */
SCM_CRITICAL_SECTION_START;
/* njrev: -> mutex */
if (!TCONC_EMPTYP (g->zombies))
TCONC_OUT (g->zombies, res);
@ -339,7 +342,9 @@ SCM_DEFINE (scm_guardian_destroyed_p, "guardian-destroyed?", 1, 0, 0,
/* This critical section barrier will be replaced by a mutex. */
SCM_CRITICAL_SECTION_START;
/* njrev: Critical section not needed here. (Falls into category of
stuff that is the responsibility of Scheme code, whenever
accessing data from multiple threads.) */
res = scm_from_bool (DESTROYED_P (GUARDIAN_DATA (guardian)));
SCM_CRITICAL_SECTION_END;

3
libguile/keywords.c
View file

@ -66,6 +66,7 @@ SCM_DEFINE (scm_symbol_to_keyword, "symbol->keyword", 1, 0, 0,
SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, 0, NULL, "symbol");
SCM_CRITICAL_SECTION_START;
/* njrev: NEWSMOB and hashq_set_x can raise errors */
keyword = scm_hashq_ref (scm_keyword_obarray, symbol, SCM_BOOL_F);
if (scm_is_false (keyword))
{
@ -105,7 +106,7 @@ scm_from_locale_keywordn (const char *str, size_t len)
return scm_symbol_to_keyword (scm_from_locale_symboln (str, len));
}
/* njrev: critical sections reviewed so far up to here */
void
scm_init_keywords ()
{