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pthread_cleanup_pop(3c)

pthread_cleanup_pop(3C)  Standard C Library Functions  pthread_cleanup_pop(3C)

NAME
       pthread_cleanup_pop - pop a thread cancellation cleanup handler

SYNOPSIS
       #include <pthread.h>

       void pthread_cleanup_pop(int execute);

DESCRIPTION
       The  pthread_cleanup_pop() function removes the cleanup handler routine
       at the top of the cancellation cleanup stack of the calling thread  and
       executes it if execute is non-zero.


       When the thread calls pthread_cleanup_pop() with a non-zero execute ar‐
       gument, the argument at the top of the stack is popped and executed. An
       argument of 0 pops the handler without executing it.


       The pthread_cleanup_push(3C) and pthread_cleanup_pop() functions can be
       implemented  as macros. The application must ensure that they appear as
       statements, and in pairs within the same lexical scope  (that  is,  the
       pthread_cleanup_push()  macro  can be thought to expand to a token list
       whose first token is '{' with pthread_cleanup_pop() expanding to a  to‐
       ken list whose last token is the corresponding '}').


       The  effect  of  the use of return, break, continue, and goto to prema‐
       turely leave a code block described by a pair of pthread_cleanup_push()
       and pthread_cleanup_pop() function calls is undefined.


       Using longjmp() or siglongjmp() to jump into or out of a push/pop  pair
       can  result  in  either the matching push or the matching pop statement
       not getting executed.

RETURN VALUES
       The pthread_cleanup_pop() function returns no value.

ERRORS
       No errors are defined.


       The pthread_cleanup_pop() function will not return  an  error  code  of
       EINTR.

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 _  Stan‐
       dardSee standards(7).


SEE ALSO
       pthread_cancel(3C),     pthread_cleanup_push(3C),     pthread_exit(3C),
       pthread_join(3C),    pthread_setcancelstate(3C),     pthread_setcancel‐
       type(3C),  pthread_testcancel(3C), setjmp(3C), attributes(7), cancella‐
       tion(7), condition(7), standards(7)

NOTES
       See cancellation(7) for a discussion of cancellation concepts.

Oracle Solaris 11.4               16 May 2014          pthread_cleanup_pop(3C)
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