[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xenstore: set READ_THREAD_STACKSIZE to a sane value
On 11/03/14 17:25, Ian Jackson wrote: > Ian Campbell writes ("Re: [PATCH] xenstore: set READ_THREAD_STACKSIZE to a > sane value"): >> On Tue, 2014-03-11 at 17:18 +0100, Roger Pau Monné wrote: >>> Another question to ask would be why FreeBSD sets PTHREAD_STACK_MIN to >>> 2048 when even a simple malloc call is going to blow that up, >> >> It does seem rather aggressive, but I suppose it is "min" not >> "sensible_min". > > Well, actually, a malloc works, doesn't it ? No, actually a malloc with PTHREAD_STACK_MIN doesn't work, this sample example program fails in the same way: --- #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <assert.h> #define MALLOC_SIZE 1024 void * foo(void *arg) { void *bar; bar = malloc(MALLOC_SIZE); assert(bar != NULL); return (NULL); } int main(void) { pthread_t thread; pthread_attr_t attr; int rc, i; rc = pthread_attr_init(&attr); assert(rc == 0); rc = pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); assert(rc == 0); rc = pthread_create(&thread, &attr, foo, NULL); assert(0 == rc); rc = pthread_join(thread, NULL); assert(0 == rc); exit(EXIT_SUCCESS); } _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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