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pthread_attr_setstacksize (3)
  • pthread_attr_setstacksize (3) ( FreeBSD man: Библиотечные вызовы )
  • >> pthread_attr_setstacksize (3) ( Linux man: Библиотечные вызовы )
  • pthread_attr_setstacksize (3) ( POSIX man: Библиотечные вызовы )
  •  

    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 specified 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 non-zero 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.  

    EXAMPLE

    See pthread_create(3).  

    NOTES

    For details on the default stack size of new threads, see pthread_create(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 downwards, in violation of POSIX.1-2001, which says that the allocated stack will be at least stacksize bytes.  

    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 3.14 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/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    VERSIONS
    CONFORMING TO
    EXAMPLE
    NOTES
    BUGS
    SEE ALSO
    COLOPHON


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