diff options
Diffstat (limited to 'sys/kern/kern_fork.c')
-rw-r--r-- | sys/kern/kern_fork.c | 87 |
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; -} |