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/*
* Copyright (c) 2025 Ian Marco Moffett and L5 engineers
* 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.
* 3. Neither the name of the project nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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/types.h>
#include <sys/atomic.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <string.h>
static pid_t next_pid = 0;
/*
* MI proc init code
*/
int
proc_init(struct proc *procp, int flags)
{
struct syscall_domain *scdp;
struct syscall_win *winp;
int error;
if (procp == NULL) {
return -EINVAL;
}
/* Put the process in a known state */
scdp = &procp->scdom;
memset(procp, 0, sizeof(*procp));
/*
* Initialize each platform latch
*/
for (platch_t p = 0; p < __SC_PLATCH_MAX; ++p) {
winp = &scdp->slots[p];
switch (p) {
case SC_PLATCH_UNIX:
winp->p = 1;
winp->sctab = &g_unix_sctab[0];
winp->nimpl = UNIX_SCTAB_LEN;
break;
}
}
procp->pid = atomic_inc_int(&next_pid);
error = md_proc_init(procp, flags);
return error;
}
/*
* Kill a specific process
*/
int
proc_kill(struct proc *procp, int status)
{
if (procp == NULL) {
return -EINVAL;
}
procp->flags |= PROC_EXITING;
return md_proc_kill(procp, 0);
}
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