sys/kern/sys_generic.c

1257 	struct seltd *stp;
1266 	stp = td->td_sel;
1268 	STAILQ_FOREACH_SAFE(sfp, &stp->st_selq, sf_link, sfn) {
1271 		selfdfree(stp, sfp);
1285 	stp->st_flags = 0;
1476 	struct seltd *stp;
1490 	stp = td->td_sel;
1492 	STAILQ_FOREACH_SAFE(sfp, &stp->st_selq, sf_link, sfn) {
1495 		selfdfree(stp, sfp);
1522 	stp->st_flags = 0;
1693 	struct seltd *stp;
1695 	stp = td->td_sel;
1696 	if (stp->st_free1 == NULL)
1697 		stp->st_free1 = uma_zalloc(selfd_zone, M_WAITOK|M_ZERO);
1698 	stp->st_free1->sf_td = stp;
1699 	stp->st_free1->sf_cookie = cookie;
1700 	if (stp->st_free2 == NULL)
1701 		stp->st_free2 = uma_zalloc(selfd_zone, M_WAITOK|M_ZERO);
1702 	stp->st_free2->sf_td = stp;
1703 	stp->st_free2->sf_cookie = cookie;
1707 selfdfree(struct seltd *stp, struct selfd *sfp)
1709 	STAILQ_REMOVE(&stp->st_selq, sfp, selfd, sf_link);
1748 	struct seltd *stp;
1751 	stp = selector->td_sel;
1755 	if (stp->st_flags & SELTD_RESCAN)
1761 	if ((sfp = stp->st_free1) != NULL)
1762 		stp->st_free1 = NULL;
1763 	else if ((sfp = stp->st_free2) != NULL)
1764 		stp->st_free2 = NULL;
1776 	STAILQ_INSERT_TAIL(&stp->st_selq, sfp, sf_link);
1819 	struct seltd *stp;
1835 		stp = sfp->sf_td;
1836 		mtx_lock(&stp->st_mtx);
1837 		stp->st_flags |= SELTD_PENDING;
1838 		cv_broadcastpri(&stp->st_wait, pri);
1839 		mtx_unlock(&stp->st_mtx);
1849 	struct seltd *stp;
1851 	if ((stp = td->td_sel) != NULL)
1853 	td->td_sel = stp = malloc(sizeof(*stp), M_SELECT, M_WAITOK|M_ZERO);
1854 	mtx_init(&stp->st_mtx, "sellck", NULL, MTX_DEF);
1855 	cv_init(&stp->st_wait, "select");
1857 	stp->st_flags = 0;
1858 	STAILQ_INIT(&stp->st_selq);
1864 	struct seltd *stp;
1867 	stp = td->td_sel;
1872 	mtx_lock(&stp->st_mtx);
1876 	stp->st_flags |= SELTD_RESCAN;
1877 	if (stp->st_flags & SELTD_PENDING) {
1878 		mtx_unlock(&stp->st_mtx);
1884 		error = cv_timedwait_sig_sbt(&stp->st_wait, &stp->st_mtx,
1887 		error = cv_wait_sig(&stp->st_wait, &stp->st_mtx);
1888 	mtx_unlock(&stp->st_mtx);
1896 	struct seltd *stp;
1898 	stp = td->td_sel;
1899 	if (stp == NULL)
1901 	if (stp->st_free1)
1902 		uma_zfree(selfd_zone, stp->st_free1);
1903 	if (stp->st_free2)
1904 		uma_zfree(selfd_zone, stp->st_free2);
1906 	cv_destroy(&stp->st_wait);
1907 	mtx_destroy(&stp->st_mtx);
1908 	free(stp, M_SELECT);
1918 	struct seltd *stp;
1922 	stp = td->td_sel;
1923 	STAILQ_FOREACH_SAFE(sfp, &stp->st_selq, sf_link, sfn)
1924 		selfdfree(stp, sfp);
1925 	stp->st_flags = 0;