1 | /* $NetBSD: netbsd32_wait.c,v 1.23 2016/09/23 14:09:39 skrll Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1998, 2001 Matthew R. Green |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 | * SUCH DAMAGE. |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: netbsd32_wait.c,v 1.23 2016/09/23 14:09:39 skrll Exp $" ); |
31 | |
32 | #include <sys/param.h> |
33 | #include <sys/systm.h> |
34 | #include <sys/mount.h> |
35 | #include <sys/time.h> |
36 | #include <sys/wait.h> |
37 | #include <sys/ptrace.h> |
38 | #include <sys/resourcevar.h> |
39 | #include <sys/vnode.h> |
40 | #include <sys/pool.h> |
41 | #include <sys/proc.h> |
42 | #include <sys/dirent.h> |
43 | |
44 | #include <compat/netbsd32/netbsd32.h> |
45 | #include <compat/netbsd32/netbsd32_syscallargs.h> |
46 | #include <compat/netbsd32/netbsd32_conv.h> |
47 | |
48 | int |
49 | netbsd32___wait450(struct lwp *l, const struct netbsd32___wait450_args *uap, |
50 | register_t *retval) |
51 | { |
52 | /* { |
53 | syscallarg(int) pid; |
54 | syscallarg(netbsd32_intp) status; |
55 | syscallarg(int) options; |
56 | syscallarg(netbsd32_rusagep_t) rusage; |
57 | } */ |
58 | int error, status, pid = SCARG(uap, pid); |
59 | struct netbsd32_rusage ru32; |
60 | struct rusage ru; |
61 | |
62 | error = do_sys_wait(&pid, &status, SCARG(uap, options), |
63 | SCARG_P32(uap, rusage) != NULL ? &ru : NULL); |
64 | |
65 | retval[0] = pid; |
66 | if (pid == 0) |
67 | return error; |
68 | |
69 | if (SCARG_P32(uap, rusage)) { |
70 | netbsd32_from_rusage(&ru, &ru32); |
71 | error = copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); |
72 | } |
73 | |
74 | if (error == 0 && SCARG_P32(uap, status)) |
75 | error = copyout(&status, SCARG_P32(uap, status), sizeof(status)); |
76 | |
77 | return error; |
78 | } |
79 | |
80 | int |
81 | netbsd32_wait6(struct lwp *l, const struct netbsd32_wait6_args *uap, |
82 | register_t *retval) |
83 | { |
84 | /* { |
85 | syscallarg(idtype_t) idtype; |
86 | syscallarg(id_t) id; |
87 | syscallarg(netbsd32_intp) status; |
88 | syscallarg(int) options; |
89 | syscallarg(netbsd32_wrusagep_t) wru; |
90 | syscallarg(netbsd32_siginfop_t) info; |
91 | } */ |
92 | idtype_t idtype = SCARG(uap, idtype); |
93 | id_t id = SCARG(uap, id); |
94 | struct wrusage wru, *wrup; |
95 | siginfo_t si, *sip; |
96 | int status; |
97 | int pid; |
98 | |
99 | if (SCARG_P32(uap, wru) != NULL) |
100 | wrup = &wru; |
101 | else |
102 | wrup = NULL; |
103 | |
104 | if (SCARG_P32(uap, info) != NULL) |
105 | sip = &si; |
106 | else |
107 | sip = NULL; |
108 | |
109 | /* |
110 | * We expect all callers of wait6() to know about WEXITED and |
111 | * WTRAPPED. |
112 | */ |
113 | int error = do_sys_waitid(idtype, id, &pid, &status, |
114 | SCARG(uap, options), wrup, sip); |
115 | |
116 | retval[0] = pid; /* tell userland who it was */ |
117 | |
118 | #if 0 |
119 | /* |
120 | * should we copyout if there was no process, hence no useful data? |
121 | * We don't for an old sytle wait4() (etc) but I believe |
122 | * FreeBSD does for wait6(), so a tossup... Go with FreeBSD for now. |
123 | */ |
124 | if (pid == 0) |
125 | return error; |
126 | #endif |
127 | |
128 | |
129 | if (error == 0 && SCARG_P32(uap, status)) |
130 | error = copyout(&status, SCARG_P32(uap, status), |
131 | sizeof(status)); |
132 | if (wrup != NULL && error == 0) { |
133 | struct netbsd32_wrusage wru32; |
134 | |
135 | netbsd32_from_rusage(&wrup->wru_self, &wru32.wru_self); |
136 | netbsd32_from_rusage(&wrup->wru_children, &wru32.wru_children); |
137 | error = copyout(&wru32, SCARG_P32(uap, wru), sizeof(wru32)); |
138 | } |
139 | if (sip != NULL && error == 0) { |
140 | siginfo32_t si32; |
141 | |
142 | netbsd32_si_to_si32(&si32, sip); |
143 | error = copyout(&si32, SCARG_P32(uap, info), sizeof(si32)); |
144 | } |
145 | |
146 | return error; |
147 | } |
148 | |
149 | int |
150 | netbsd32___getrusage50(struct lwp *l, |
151 | const struct netbsd32___getrusage50_args *uap, register_t *retval) |
152 | { |
153 | /* { |
154 | syscallarg(int) who; |
155 | syscallarg(netbsd32_rusagep_t) rusage; |
156 | } */ |
157 | int error; |
158 | struct proc *p = l->l_proc; |
159 | struct rusage ru; |
160 | struct netbsd32_rusage ru32; |
161 | |
162 | error = getrusage1(p, SCARG(uap, who), &ru); |
163 | if (error != 0) |
164 | return error; |
165 | |
166 | netbsd32_from_rusage(&ru, &ru32); |
167 | return copyout(&ru32, SCARG_P32(uap, rusage), sizeof(ru32)); |
168 | } |
169 | |