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/*-
* Copyright (c) 2015 Nuxi, https://nuxi.nl/
*
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/imgact.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
#include <sys/syscallsubr.h>
#include <compat/cloudabi/cloudabi_proto.h>
int
cloudabi_sys_proc_exec(struct thread *td,
struct cloudabi_sys_proc_exec_args *uap)
{
struct image_args args;
int error;
error = exec_copyin_data_fds(td, &args, uap->data, uap->datalen,
uap->fds, uap->fdslen);
if (error == 0) {
args.fd = uap->fd;
error = kern_execve(td, &args, NULL);
}
return (error);
}
int
cloudabi_sys_proc_exit(struct thread *td,
struct cloudabi_sys_proc_exit_args *uap)
{
exit1(td, uap->rval, 0);
/* NOTREACHED */
}
int
cloudabi_sys_proc_fork(struct thread *td,
struct cloudabi_sys_proc_fork_args *uap)
{
/* Not implemented. */
return (ENOSYS);
}
int
cloudabi_sys_proc_raise(struct thread *td,
struct cloudabi_sys_proc_raise_args *uap)
{
static const int signals[] = {
[CLOUDABI_SIGABRT] = SIGABRT,
[CLOUDABI_SIGALRM] = SIGALRM,
[CLOUDABI_SIGBUS] = SIGBUS,
[CLOUDABI_SIGCHLD] = SIGCHLD,
[CLOUDABI_SIGCONT] = SIGCONT,
[CLOUDABI_SIGFPE] = SIGFPE,
[CLOUDABI_SIGHUP] = SIGHUP,
[CLOUDABI_SIGILL] = SIGILL,
[CLOUDABI_SIGINT] = SIGINT,
[CLOUDABI_SIGKILL] = SIGKILL,
[CLOUDABI_SIGPIPE] = SIGPIPE,
[CLOUDABI_SIGQUIT] = SIGQUIT,
[CLOUDABI_SIGSEGV] = SIGSEGV,
[CLOUDABI_SIGSTOP] = SIGSTOP,
[CLOUDABI_SIGSYS] = SIGSYS,
[CLOUDABI_SIGTERM] = SIGTERM,
[CLOUDABI_SIGTRAP] = SIGTRAP,
[CLOUDABI_SIGTSTP] = SIGTSTP,
[CLOUDABI_SIGTTIN] = SIGTTIN,
[CLOUDABI_SIGTTOU] = SIGTTOU,
[CLOUDABI_SIGURG] = SIGURG,
[CLOUDABI_SIGUSR1] = SIGUSR1,
[CLOUDABI_SIGUSR2] = SIGUSR2,
[CLOUDABI_SIGVTALRM] = SIGVTALRM,
[CLOUDABI_SIGXCPU] = SIGXCPU,
[CLOUDABI_SIGXFSZ] = SIGXFSZ,
};
ksiginfo_t ksi;
struct proc *p;
if (uap->sig >= nitems(signals) || signals[uap->sig] == 0) {
/* Invalid signal, or the null signal. */
return (uap->sig == 0 ? 0 : EINVAL);
}
p = td->td_proc;
ksiginfo_init(&ksi);
ksi.ksi_signo = signals[uap->sig];
ksi.ksi_code = SI_USER;
ksi.ksi_pid = p->p_pid;
ksi.ksi_uid = td->td_ucred->cr_ruid;
PROC_LOCK(p);
pksignal(p, ksi.ksi_signo, &ksi);
PROC_UNLOCK(p);
return (0);
}
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