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/* asyn_synch() - step back to synch Author: Kees J. Bot
* 7 Jul 1997
*/
#include "asyn.h"
int asyn_synch(asynchio_t *asyn, int fd)
/* No more asynchronous operations on this file descriptor. */
{
asynfd_t *afd;
int op;
if ((unsigned) fd >= FD_SETSIZE) { errno= EBADF; return -1; }
afd= &asyn->asyn_afd[fd];
for (op= 0; op < SEL_NR; op++) {
if (afd->afd_state[op] != IDLE) {
errno= EAGAIN;
return -1;
}
}
/* Make sure the file flags are as they once were. */
if (afd->afd_seen && fcntl(fd, F_SETFL, afd->afd_flags) < 0) return -1;
afd->afd_seen= 0;
return 0;
}
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