diff options
Diffstat (limited to 'sys')
-rw-r--r-- | sys/include/sys/proc.h | 6 | ||||
-rw-r--r-- | sys/kern/kern_proc.c | 74 |
2 files changed, 80 insertions, 0 deletions
diff --git a/sys/include/sys/proc.h b/sys/include/sys/proc.h index 241d990..7aa04b2 100644 --- a/sys/include/sys/proc.h +++ b/sys/include/sys/proc.h @@ -90,6 +90,12 @@ struct proc *this_td(void); struct proc *get_child(struct proc *cur, pid_t pid); void proc_reap(struct proc *td); +pid_t getpid(void); +pid_t getppid(void); + +scret_t sys_getpid(struct syscall_args *scargs); +scret_t sys_getppid(struct syscall_args *scargs); + int md_spawn(struct proc *p, struct proc *parent, uintptr_t ip); scret_t sys_spawn(struct syscall_args *scargs); diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c new file mode 100644 index 0000000..3cf2af8 --- /dev/null +++ b/sys/kern/kern_proc.c @@ -0,0 +1,74 @@ +/* + * 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/types.h> +#include <sys/proc.h> +#include <sys/syscall.h> + +pid_t +getpid(void) +{ + struct proc *td; + + td = this_td(); + if (td == NULL) { + return -1; + } + + return td->pid; +} + + +pid_t +getppid(void) +{ + struct proc *td; + + td = this_td(); + if (td == NULL) { + return -1; + } + if (td->parent == NULL) { + return -1; + } + + return td->parent->pid; +} + +scret_t +sys_getpid(struct syscall_args *scargs) +{ + return getpid(); +} + +scret_t +sys_getppid(struct syscall_args *scargs) +{ + return getppid(); +} |