/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2020 Justine Alexandra Roberts Tunney │ │ │ │ This program is free software; you can redistribute it and/or modify │ │ it under the terms of the GNU General Public License as published by │ │ the Free Software Foundation; version 2 of the License. │ │ │ │ This program is distributed in the hope that it will be useful, but │ │ WITHOUT ANY WARRANTY; without even the implied warranty of │ │ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │ │ General Public License for more details. │ │ │ │ You should have received a copy of the GNU General Public License │ │ along with this program; if not, write to the Free Software │ │ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │ │ 02110-1301 USA │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/calls/internal.h" #include "libc/calls/struct/itimerval.h" #include "libc/dce.h" #include "libc/sysv/errfuns.h" #include "libc/time/time.h" /** * Schedules delivery of one-shot or intermittent wakeup signal, e.g. * * CHECK_NE(-1, sigaction(SIGALRM, * &(struct sigaction){.sa_sigaction = missingno, * .sa_flags = SA_RESETHAND}, * NULL)); * CHECK_NE(-1, setitimer(ITIMER_REAL, * &(const struct itimerval){{0, 0}, {0, 50000}}, * NULL)); * if (connect(...) == -1 && errno == EINTR) { ... } * CHECK_NE(-1, setitimer(ITIMER_REAL, * &(const struct itimerval){{0, 0}, {0, 0}}, * NULL)); * * @param which can be ITIMER_REAL, ITIMER_VIRTUAL, etc. * @param newvalue specifies the interval ({0,0} means one-shot) and * duration ({0,0} means disarm) in microseconds * @param out_opt_old may receive remainder of previous op (if any) * @return 0 on success or -1 w/ errno */ int setitimer(int which, const struct itimerval *newvalue, struct itimerval *out_opt_oldvalue) { if (!IsWindows()) { return setitimer$sysv(which, newvalue, out_opt_oldvalue); } else { return enosys(); /* TODO(jart): Implement me! */ } }