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* thread_pthread.c (RUBY_STACK_MIN_LIMIT): name magic number.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-10-04 02:39:34 +00:00
parent 6ed36284db
commit cbe3646e68
1 changed files with 21 additions and 19 deletions
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40
thread_pthread.c
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@ -588,6 +588,26 @@ static struct {
#endif
} native_main_thread;
enum {
#ifdef __SYMBIAN32__
RUBY_STACK_MIN_LIMIT = 64 * 1024, /* 64KB: Let's be slightly more frugal on mobile platform */
#else
RUBY_STACK_MIN_LIMIT = 512 * 1024, /* 512KB */
#endif
RUBY_STACK_SPACE_LIMIT = 1024 * 1024,
#ifdef PTHREAD_STACK_MIN
RUBY_STACK_MIN = ((RUBY_STACK_MIN_LIMIT < PTHREAD_STACK_MIN) ?
PTHREAD_STACK_MIN * 2 : RUBY_STACK_MIN_LIMIT),
#else
RUBY_STACK_MIN = (RUBY_STACK_MIN_LIMIT),
#endif
RUBY_STACK_SPACE_RATIO = 5,
RUBY_STACK_MIN_SPACE = RUBY_STACK_MIN/RUBY_STACK_SPACE_RATIO,
RUBY_STACK_SPACE = ((RUBY_STACK_MIN_SPACE > RUBY_STACK_SPACE_LIMIT) ?
RUBY_STACK_SPACE_LIMIT : RUBY_STACK_MIN_SPACE)
};
#ifdef STACK_END_ADDRESS
extern void *STACK_END_ADDRESS;
#endif
@ -806,24 +826,6 @@ use_cached_thread(rb_thread_t *th)
return result;
}
enum {
#ifdef __SYMBIAN32__
RUBY_STACK_MIN_LIMIT = 64 * 1024, /* 64KB: Let's be slightly more frugal on mobile platform */
#else
RUBY_STACK_MIN_LIMIT = 512 * 1024, /* 512KB */
#endif
RUBY_STACK_SPACE_LIMIT = 1024 * 1024
};
#ifdef PTHREAD_STACK_MIN
#define RUBY_STACK_MIN ((RUBY_STACK_MIN_LIMIT < PTHREAD_STACK_MIN) ? \
PTHREAD_STACK_MIN * 2 : RUBY_STACK_MIN_LIMIT)
#else
#define RUBY_STACK_MIN (RUBY_STACK_MIN_LIMIT)
#endif
#define RUBY_STACK_SPACE (RUBY_STACK_MIN/5 > RUBY_STACK_SPACE_LIMIT ? \
RUBY_STACK_SPACE_LIMIT : RUBY_STACK_MIN/5)
static int
native_thread_create(rb_thread_t *th)
{
@ -1425,7 +1427,7 @@ ruby_stack_overflowed_p(const rb_thread_t *th, const void *addr)
else {
return 0;
}
size /= 5;
size /= RUBY_STACK_SPACE_RATIO;
if (size > water_mark) size = water_mark;
if (IS_STACK_DIR_UPPER()) {
if (size > ~(size_t)base+1) size = ~(size_t)base+1;