/* $NetBSD: netbsd32_wait.c,v 1.23.20.1 2022/08/03 11:11:31 martin Exp $ */ /* * Copyright (c) 1998, 2001 Matthew R. Green * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: netbsd32_wait.c,v 1.23.20.1 2022/08/03 11:11:31 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include int netbsd32___wait450(struct lwp *l, const struct netbsd32___wait450_args *uap, register_t *retval) { /* { syscallarg(int) pid; syscallarg(netbsd32_intp) status; syscallarg(int) options; syscallarg(netbsd32_rusagep_t) rusage; } */ int error, status, pid = SCARG(uap, pid); struct netbsd32_rusage ru32; struct rusage ru; error = do_sys_wait(&pid, &status, SCARG(uap, options), SCARG_P32(uap, rusage) != NULL ? &ru : NULL); retval[0] = pid; if (pid == 0) return error; if (SCARG_P32(uap, rusage)) { netbsd32_from_rusage(&ru, &ru32); error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); } if (error == 0 && SCARG_P32(uap, status)) error = copyout(&status, SCARG_P32(uap, status), sizeof(status)); return error; } int netbsd32_wait6(struct lwp *l, const struct netbsd32_wait6_args *uap, register_t *retval) { /* { syscallarg(idtype_t) idtype; syscallarg(id_t) id; syscallarg(netbsd32_intp) status; syscallarg(int) options; syscallarg(netbsd32_wrusagep_t) wru; syscallarg(netbsd32_siginfop_t) info; } */ idtype_t idtype = SCARG(uap, idtype); id_t id = SCARG(uap, id); struct wrusage wru, *wrup; siginfo_t si, *sip; int status; int pid; if (SCARG_P32(uap, wru) != NULL) wrup = &wru; else wrup = NULL; if (SCARG_P32(uap, info) != NULL) sip = &si; else sip = NULL; /* * We expect all callers of wait6() to know about WEXITED and * WTRAPPED. */ int error = do_sys_waitid(idtype, id, &pid, &status, SCARG(uap, options), wrup, sip); retval[0] = pid; /* tell userland who it was */ #if 0 /* * should we copyout if there was no process, hence no useful data? * We don't for an old sytle wait4() (etc) but I believe * FreeBSD does for wait6(), so a tossup... Go with FreeBSD for now. */ if (pid == 0) return error; #endif if (error == 0 && SCARG_P32(uap, status)) error = copyout(&status, SCARG_P32(uap, status), sizeof(status)); if (wrup != NULL && error == 0) { struct netbsd32_wrusage wru32; memset(&wru32, 0, sizeof(wru32)); netbsd32_from_rusage(&wrup->wru_self, &wru32.wru_self); netbsd32_from_rusage(&wrup->wru_children, &wru32.wru_children); error = copyout(&wru32, SCARG_P32(uap, wru), sizeof(wru32)); } if (sip != NULL && error == 0) { siginfo32_t si32; netbsd32_si_to_si32(&si32, sip); error = copyout(&si32, SCARG_P32(uap, info), sizeof(si32)); } return error; } int netbsd32___getrusage50(struct lwp *l, const struct netbsd32___getrusage50_args *uap, register_t *retval) { /* { syscallarg(int) who; syscallarg(netbsd32_rusagep_t) rusage; } */ int error; struct proc *p = l->l_proc; struct rusage ru; struct netbsd32_rusage ru32; error = getrusage1(p, SCARG(uap, who), &ru); if (error != 0) return error; netbsd32_from_rusage(&ru, &ru32); return copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); }