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[sanitizer] Remove stack size limits from secondary threads.
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Authored by eugenis on Jun 13 2017, 1:48 PM.

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Summary

If pthread_attr_getstack tell us the stack is 2G, why would we doubt that?

LGTM

This revision is now accepted and ready to land.Jun 13 2017, 2:14 PM

This revision was automatically updated to reflect the committed changes.

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lib/

sanitizer_common/

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Show First 20 Lines • Show All 107 Lines • ▼ Show 20 Lines	void GetThreadStackTopAndBottom(bool at_initialization, uptr *stack_top,
pthread_attr_t attr;		pthread_attr_t attr;
pthread_attr_init(&attr);		pthread_attr_init(&attr);
CHECK_EQ(pthread_getattr_np(pthread_self(), &attr), 0);		CHECK_EQ(pthread_getattr_np(pthread_self(), &attr), 0);
uptr stacksize = 0;		uptr stacksize = 0;
void *stackaddr = nullptr;		void *stackaddr = nullptr;
my_pthread_attr_getstack(&attr, &stackaddr, &stacksize);		my_pthread_attr_getstack(&attr, &stackaddr, &stacksize);
pthread_attr_destroy(&attr);		pthread_attr_destroy(&attr);

CHECK_LE(stacksize, kMaxThreadStackSize); // Sanity check.
*stack_top = (uptr)stackaddr + stacksize;		*stack_top = (uptr)stackaddr + stacksize;
*stack_bottom = (uptr)stackaddr;		*stack_bottom = (uptr)stackaddr;
}		}

#if !SANITIZER_GO		#if !SANITIZER_GO
bool SetEnv(const char name, const char value) {		bool SetEnv(const char name, const char value) {
void *f = dlsym(RTLD_NEXT, "setenv");		void *f = dlsym(RTLD_NEXT, "setenv");
if (!f)		if (!f)
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