summaryrefslogtreecommitdiff
path: root/sys/kern/kern_fork.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/kern/kern_fork.c')
-rw-r--r--sys/kern/kern_fork.c87
1 files changed, 0 insertions, 87 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
deleted file mode 100644
index abb7707..0000000
--- a/sys/kern/kern_fork.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
- * 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 Hyra 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/mman.h>
-#include <sys/tree.h>
-#include <sys/types.h>
-#include <sys/proc.h>
-#include <sys/errno.h>
-#include <sys/sched.h>
-#include <sys/signal.h>
-#include <vm/dynalloc.h>
-#include <string.h>
-
-static size_t nthreads = 0;
-
-/*
- * Fork1 - fork and direct a thread to 'ip'
- *
- * @cur: Current process.
- * @flags: Flags to set.
- * @ip: Location for new thread to start at.
- * @newprocp: Will contain new thread if not NULL.
- */
-int
-fork1(struct proc *cur, int flags, void(*ip)(void), struct proc **newprocp)
-{
- struct proc *newproc;
- struct mmap_lgdr *mlgdr;
- int status = 0;
-
- newproc = dynalloc(sizeof(*newproc));
- if (newproc == NULL)
- return -ENOMEM;
-
- mlgdr = dynalloc(sizeof(*mlgdr));
- if (mlgdr == NULL)
- return -ENOMEM;
-
- memset(newproc, 0, sizeof(*newproc));
- status = md_fork(newproc, cur, (uintptr_t)ip);
- if (status != 0)
- goto done;
-
- /* Set proc output if we can */
- if (newprocp != NULL)
- *newprocp = newproc;
-
- /* Initialize the mmap ledger */
- mlgdr->nbytes = 0;
- RBT_INIT(lgdr_entries, &mlgdr->hd);
- newproc->mlgdr = mlgdr;
-
- newproc->pid = ++nthreads;
- signals_init(newproc);
- sched_enqueue_td(newproc);
-done:
- if (status != 0)
- dynfree(newproc);
-
- return status;
-}