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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
argument, 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
token 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)