2 * Copyright (c) 2015 Nuxi, https://nuxi.nl/
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include <sys/param.h>
30 #include <sys/imgact.h>
32 #include <sys/mutex.h>
34 #include <sys/signalvar.h>
35 #include <sys/syscallsubr.h>
36 #include <sys/unistd.h>
38 #include <compat/cloudabi/cloudabi_proto.h>
39 #include <compat/cloudabi/cloudabi_syscalldefs.h>
42 cloudabi_sys_proc_exec(struct thread *td,
43 struct cloudabi_sys_proc_exec_args *uap)
45 struct image_args args;
48 error = exec_copyin_data_fds(td, &args, uap->data, uap->datalen,
49 uap->fds, uap->fdslen);
52 error = kern_execve(td, &args, NULL);
58 cloudabi_sys_proc_exit(struct thread *td,
59 struct cloudabi_sys_proc_exit_args *uap)
62 exit1(td, uap->rval, 0);
67 cloudabi_sys_proc_fork(struct thread *td,
68 struct cloudabi_sys_proc_fork_args *uap)
73 error = fork1(td, RFFDG | RFPROC | RFPROCDESC, 0, &p2, &fd, 0);
76 /* Return the file descriptor to the parent process. */
77 td->td_retval[0] = fd;
82 cloudabi_sys_proc_raise(struct thread *td,
83 struct cloudabi_sys_proc_raise_args *uap)
85 static const int signals[] = {
86 [CLOUDABI_SIGABRT] = SIGABRT,
87 [CLOUDABI_SIGALRM] = SIGALRM,
88 [CLOUDABI_SIGBUS] = SIGBUS,
89 [CLOUDABI_SIGCHLD] = SIGCHLD,
90 [CLOUDABI_SIGCONT] = SIGCONT,
91 [CLOUDABI_SIGFPE] = SIGFPE,
92 [CLOUDABI_SIGHUP] = SIGHUP,
93 [CLOUDABI_SIGILL] = SIGILL,
94 [CLOUDABI_SIGINT] = SIGINT,
95 [CLOUDABI_SIGKILL] = SIGKILL,
96 [CLOUDABI_SIGPIPE] = SIGPIPE,
97 [CLOUDABI_SIGQUIT] = SIGQUIT,
98 [CLOUDABI_SIGSEGV] = SIGSEGV,
99 [CLOUDABI_SIGSTOP] = SIGSTOP,
100 [CLOUDABI_SIGSYS] = SIGSYS,
101 [CLOUDABI_SIGTERM] = SIGTERM,
102 [CLOUDABI_SIGTRAP] = SIGTRAP,
103 [CLOUDABI_SIGTSTP] = SIGTSTP,
104 [CLOUDABI_SIGTTIN] = SIGTTIN,
105 [CLOUDABI_SIGTTOU] = SIGTTOU,
106 [CLOUDABI_SIGURG] = SIGURG,
107 [CLOUDABI_SIGUSR1] = SIGUSR1,
108 [CLOUDABI_SIGUSR2] = SIGUSR2,
109 [CLOUDABI_SIGVTALRM] = SIGVTALRM,
110 [CLOUDABI_SIGXCPU] = SIGXCPU,
111 [CLOUDABI_SIGXFSZ] = SIGXFSZ,
116 if (uap->sig >= nitems(signals) || signals[uap->sig] == 0) {
117 /* Invalid signal, or the null signal. */
118 return (uap->sig == 0 ? 0 : EINVAL);
123 ksi.ksi_signo = signals[uap->sig];
124 ksi.ksi_code = SI_USER;
125 ksi.ksi_pid = p->p_pid;
126 ksi.ksi_uid = td->td_ucred->cr_ruid;
128 pksignal(p, ksi.ksi_signo, &ksi);