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PTHREAD_ATTR_SETSTACKSIZE(3Linux Programmer's ManuPTHREAD_ATTR_SETSTACKSIZE(3)

NAME
       pthread_attr_setstacksize,  pthread_attr_getstacksize  -  set/get stack
       size attribute in thread attributes object
SYNOPSIS
       #include <pthread.h>
       int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
       int pthread_attr_getstacksize(pthread_attr_t *attr, size_t *stacksize);
       Compile and link with -pthread.
DESCRIPTION
       The pthread_attr_setstacksize() function sets the stack size  attribute
       of the thread attributes object referred to by attr to the value speci-
       fied in stacksize.
       The stack size attribute determines the minimum size  (in  bytes)  that
       will  be  allocated  for  threads  created  using the thread attributes
       object attr.
       The  pthread_attr_getstacksize()  function  returns  the   stack   size
       attribute  of  the  thread attributes object referred to by attr in the
       buffer pointed to by stacksize.
RETURN VALUE
       On success, these functions return 0; on error, they return  a  nonzero
       error number.
ERRORS
       pthread_attr_setstacksize() can fail with the following error:
       EINVAL The stack size is less than PTHREAD_STACK_MIN (16384) bytes.
       On  some  systems,  pthread_attr_setstacksize() can fail with the error
       EINVAL if stacksize is not a multiple of the system page size.
VERSIONS
       These functions are provided by glibc since version 2.1.
CONFORMING TO
       POSIX.1-2001.
NOTES
       For details on the default stack size of new threads, see  pthread_cre-
       ate(3).
       A  thread's  stack  size is fixed at the time of thread creation.  Only
       the main thread can dynamically grow its stack.
       The pthread_attr_setstack(3) function allows an application to set both
       the size and location of a caller-allocated stack that is to be used by
       a thread.
BUGS
       As at glibc 2.8, if the  specified  stacksize  is  not  a  multiple  of
       STACK_ALIGN  (16  bytes on most architectures), it may be rounded down-
       ward, in violation of POSIX.1-2001, which says that the allocated stack
       will be at least stacksize bytes.
EXAMPLE
       See pthread_create(3).
SEE ALSO
       getrlimit(2),    pthread_attr_init(3),    pthread_attr_setguardsize(3),
       pthread_attr_setstack(3), pthread_create(3), pthreads(7)
COLOPHON
       This page is part of release 3.53 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux                             2012-03-15      PTHREAD_ATTR_SETSTACKSIZE(3)