From 64e6dd621aef0cfffefae834a82b0ecb81a363df Mon Sep 17 00:00:00 2001 From: naruse Date: Sat, 22 Feb 2014 07:17:22 +0000 Subject: merge revision(s) 44670,44671,44673,44675: [Backport #8783] thread_pthread.c: timer thread stack size * thread_pthread.c (rb_thread_create_timer_thread): define the stack size for timer thread at compile time. * thread_pthread.c (rb_thread_create_timer_thread): expand timer thread stack size to get rid of segfault on FreeBSD/powerpc64. based on the patch by Steve Wills at [ruby-core:59923]. [ruby-core:56590] [Bug #8783] * thread_pthread.c (rb_thread_create_timer_thread): fix for platforms where PTHREAD_STACK_MIN is a dynamic value and not a compile-time constant. [ruby-dev:47911] [Bug #9436] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- thread_pthread.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) (limited to 'thread_pthread.c') diff --git a/thread_pthread.c b/thread_pthread.c index 3e58ac5745..aa8962a315 100644 --- a/thread_pthread.c +++ b/thread_pthread.c @@ -1479,17 +1479,16 @@ rb_thread_create_timer_thread(void) exit(EXIT_FAILURE); } # ifdef PTHREAD_STACK_MIN - if (PTHREAD_STACK_MIN < 4096 * 3) { + { + const size_t min_size = (4096 * 4); /* Allocate the machine stack for the timer thread - * at least 12KB (3 pages). FreeBSD 8.2 AMD64 causes - * machine stack overflow only with PTHREAD_STACK_MIN. + * at least 16KB (4 pages). FreeBSD 8.2 AMD64 causes + * machine stack overflow only with PTHREAD_STACK_MIN. */ - pthread_attr_setstacksize(&attr, - 4096 * 3 + (THREAD_DEBUG ? BUFSIZ : 0)); - } - else { - pthread_attr_setstacksize(&attr, - PTHREAD_STACK_MIN + (THREAD_DEBUG ? BUFSIZ : 0)); + size_t stack_size = PTHREAD_STACK_MIN; /* may be dynamic, get only once */ + if (stack_size < min_size) stack_size = min_size; + if (THREAD_DEBUG) stack_size += BUFSIZ; + pthread_attr_setstacksize(&attr, stack_size); } # endif #endif -- cgit v1.2.3