개요

• 솔라나라에 설명된 어플리케이션에 대해 맨 페이지를 찾아 출력한다.
• MAN 페이지에 대한 설명은 윈디하나의 솔라나라: MAN 페이지을 참고하자.
• svcadm(8)을 검색하려면 섹션에서 8 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.

call_once(3c)

call_once(3C)            Standard C Library Functions            call_once(3C)

NAME
       call_once - initialization function

SYNOPSIS
       #include <threads.h>
       once_flag flag = ONCE_FLAG_INIT;


       void call_once(once_flag *flag, void (*func)(void));

DESCRIPTION
       The call_once() function is specified in the C11 standard. It is a sim‐
       ple  wrapper  over the more general pthreads function pthread_once(3C).
       See INCITS/ISO/IEC 9899:2011.


       The object pointed to by  flag  must  be  initialized  with  the  value
       ONCE_FLAG_INIT  before  any call to the call_once() function using that
       object and it must not be  modified  again  before  the  last  call  to
       call_once() using that object.


       The constant ONCE_FLAG_INIT is defined in the <threads.h> header.

RETURN VALUES
       No value is returned by the call_once() function.

ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       tab()  box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
       TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelMT-Safe


SEE ALSO
       pthread_once(3C), threads.h(3HEAD), attributes(7)

Oracle Solaris 11.4               11 Jun 2018                    call_once(3C)