iom_abort - abort all pending iom_wait calls

iom_abort  will cause all currently running instances of iom_wait to return immediately with return value
       -2.

       You may have to add -lpthread to the command line in the linking step.

       iom_abort - abort all pending iom_wait calls

       iom_abort returns 0 on success and -1 on error, setting errno.

       iom_init, iom_add, iom_wait

                                                                                                    iom_abort(3)

#include<libowfat/io.h>

       int iom_abort(iomux_t* c);