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pthread_attr_setstacksize, pthread_attr_getstacksize
set and get stacksize attribute

#include <pthread.h>
pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize);

The functions pthread_attr_setstacksize() and pthread_attr_getstacksize(), respectively, set and get the thread creation stacksize attribute in the attr object.
The stacksize attribute defines the minimum stack size (in bytes) allocated for the created thread's stack.

Upon successful completion, pthread_attr_setstacksize() and pthread_attr_getstacksize() return a value of 0. Otherwise, an error number is returned to indicate the error.
The pthread_attr_getstacksize() function stores the stacksize attribute value in stacksize if successful.

The pthread_attr_setstacksize() function will fail if:
The value of stacksize is less than PTHREAD_STACK_MIN or exceeds a system-imposed limit.
These functions will not return an error code of [EINTR].

pthread_attr_init(3), pthread_attr_setdetachstate(3), pthread_attr_setguardsize(3), pthread_attr_setstack(3), pthread_attr_setstackaddr(3), pthread_create(3), pthreads(3)

pthread_attr_setstacksize() and pthread_attr_getstacksize() conform to ISO/IEC 9945-1 ANSI/IEEE (“POSIX”) Std 1003.1 Second Edition 1996-07-12.
June 5, 2013 OpenBSD-current