[ECOS] thread creation

[Aravind B]

hi all,
i have written small application which has  2 threads.
small part of it is as follows:
void cyg_user_start(void)
{
	printf("entering two threads cyg_user_start() function\n");
	cyg_thread_create(4,simple_program,(cyg_addrword_t)0,
			  "Thread A",(void*) stack[0],4096,
			  &simple_threadA,&thread_s[0]);
	cyg_thread_create(5,simple_program1,(cyg_addrword_t)1,
			 "Thread B",(void*) stack[1],4096,
			 &simple_threadB,&thread_s[1]);
cyg_thread_resume(simple_threadA);
cyg_thread_resume(simple_threadB);
}
when the control comes for execution of second thread the system hangs.
on debug i found that the control is in thread.cxx.
why is this happening and how to overcome this.

thanking advance.

Aravind B 



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