/** @brief Test for asyncrhonous thread cancellation (while deferred).
* @par Alias:
* This function is a weak defined symbol.
*
* This is a non-recursive replacement for the pthread library function,
* pthread_testcancel(3). */
void
pthread_testcancel(void)
{
/** If the weak undefined symbol, __pthread_testcancel() is loaded, a
* suitable threads library exists and the library symbol is called.
*/
if (__pthread_testcancel)
return __pthread_testcancel();
/** Otherwise, for non-threaded operation, this is a noop. */
return;
}
int
msync(__unused proc_t p, struct msync_args *uap, register_t *retval)
{
__pthread_testcancel(1);
return(msync_nocancel(p, (struct msync_nocancel_args *)uap, retval));
}
int
msgsnd(struct proc *p, struct msgsnd_args *uap, int32_t *retval)
{
__pthread_testcancel(1);
return(msgsnd_nocancel(p, (struct msgsnd_nocancel_args *)uap, retval));
}
