this repo has no description
Added sys_pthread_kill()
+161
-1
+1
src/kernel/emulation/linux/CMakeLists.txt
+1
src/kernel/emulation/linux/CMakeLists.txt
+21
src/kernel/emulation/linux/bsdthread/pthread_kill.c
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src/kernel/emulation/linux/bsdthread/pthread_kill.c
···
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#include "pthread_kill.h"
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#include "../base.h"
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#include "../errno.h"
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#include "../signal/duct_signals.h"
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#include "../../../../../platform-include/sys/errno.h"
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#include <stddef.h>
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#include "../../../mach_server/client/lkm.h"
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#include "../../../../lkm/api.h"
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#include "../simple.h"
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long sys_pthread_kill(int thread_port, int sig)
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{
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struct pthread_kill_args args;
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args.thread_port = thread_port;
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args.sig = signum_bsd_to_linux(sig);
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return lkm_call(NR_pthread_kill_trap, &args);
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}
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+7
src/kernel/emulation/linux/bsdthread/pthread_kill.h
+7
src/kernel/emulation/linux/bsdthread/pthread_kill.h
+2
src/kernel/emulation/linux/syscalls.c
+2
src/kernel/emulation/linux/syscalls.c
···
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#include "psynch/psynch_mutexdrop.h"
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#include "bsdthread/workq_kernreturn.h"
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#include "bsdthread/workq_open.h"
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#include "bsdthread/pthread_kill.h"
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void* __bsd_syscall_table[512] = {
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[1] = sys_exit,
···
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[244] = sys_posix_spawn,
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[301] = sys_psynch_mutexwait,
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[302] = sys_psynch_mutexdrop,
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[328] = sys_pthread_kill,
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[329] = sys_sigprocmask, // __pthread_sigmask
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[331] = sys_disable_threadsignal,
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[334] = sys_semwait_signal,
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-1
src/lkm/Makefile
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-1
src/lkm/Makefile
···
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mig/taskServer.o mig/thread_actServer.o \
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servers/thread_act.o \
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mig/duct.o proc_entry.o bsd_ioctl.o \
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-
psynch/psynch_mutex.o
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psynch/psynch_mutex.o psynch/pthread_kill.o
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# Otherwise we were called directly from the command
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# line; invoke the kernel build system.
+7
src/lkm/api.h
+7
src/lkm/api.h
···
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NR_bsdthread_terminate_trap,
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NR_psynch_mutexwait_trap,
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NR_psynch_mutexdrop_trap,
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NR_pthread_kill_trap,
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};
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struct mach_port_mod_refs_args
···
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uint32_t ugen;
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uint64_t tid;
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uint32_t flags;
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};
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struct pthread_kill_args
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{
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int thread_port;
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int sig;
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};
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#endif
+87
src/lkm/psynch/pthread_kill.c
+87
src/lkm/psynch/pthread_kill.c
···
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/*
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* Darling Mach Linux Kernel Module
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* Copyright (C) 2015 Lubos Dolezel
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "../mach_includes.h"
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#include "pthread_kill.h"
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#include <asm/siginfo.h>
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#include <linux/uaccess.h>
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#include <asm/siginfo.h>
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#include <linux/rcupdate.h>
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#include <linux/sched.h>
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#include "../servers/thread_act.h"
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#include "../ipc_types.h"
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#include "../ipc_space.h"
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#include "../ipc_right.h"
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#include "../darling_task.h"
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int pthread_kill_trap(mach_task_t* task,
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struct pthread_kill_args* in_args)
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{
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struct pthread_kill_args args;
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darling_mach_port_right_t* right = NULL;
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int ret;
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pid_t tid;
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struct siginfo info;
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struct task_struct *t;
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if (copy_from_user(&args, in_args, sizeof(args)))
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return -EFAULT;
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ipc_space_lock(&task->namespace);
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right = ipc_space_lookup(&task->namespace, args.thread_port);
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ipc_space_unlock(&task->namespace);
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if (right == NULL)
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{
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ret = -EINVAL;
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goto err;
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}
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tid = get_thread_pid(right->port);
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ipc_port_unlock(right->port);
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if (tid == 0)
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{
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// Not a thread port
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ret = -EINVAL;
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goto err;
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}
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rcu_read_lock();
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t = pid_task(find_pid_ns(tid, &init_pid_ns), PIDTYPE_PID);
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if (t == NULL)
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{
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rcu_read_unlock();
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ret = -ESRCH;
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goto err;
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}
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info.si_signo = args.sig;
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info.si_code = SI_TKILL;
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info.si_pid = t->tgid;
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info.si_uid = from_kuid_munged(current_user_ns(), current_uid());
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info.si_errno = 0;
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ret = send_sig_info(args.sig, &info, t);
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rcu_read_unlock();
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err:
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return ret;
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}
+30
src/lkm/psynch/pthread_kill.h
+30
src/lkm/psynch/pthread_kill.h
···
1
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/*
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* Darling Mach Linux Kernel Module
3
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* Copyright (C) 2015 Lubos Dolezel
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+
*
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* This program is free software; you can redistribute it and/or
6
+
* modify it under the terms of the GNU General Public License
7
+
* as published by the Free Software Foundation; either version 2
8
+
* of the License, or (at your option) any later version.
9
+
*
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* This program is distributed in the hope that it will be useful,
11
+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
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* GNU General Public License for more details.
14
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*
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* You should have received a copy of the GNU General Public License
16
+
* along with this program; if not, write to the Free Software
17
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PTHREAD_KILL_H
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#define PTHREAD_KILL_H
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#include "../api.h"
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#include "../ipc_types.h"
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int pthread_kill_trap(mach_task_t* task,
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struct pthread_kill_args* args);
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#endif /* PTHREAD_KILL_H */
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+3
src/lkm/servers/thread_act.c
+3
src/lkm/servers/thread_act.c
+2
src/lkm/traps.c
+2
src/lkm/traps.c
···
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#include "servers/thread_act.h"
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#include "primitives/semaphore.h"
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#include "psynch/psynch_mutex.h"
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#include "psynch/pthread_kill.h"
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MODULE_LICENSE("GPL");
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···
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[sc(NR_bsdthread_terminate_trap)] = (trap_handler) bsdthread_terminate_trap,
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[sc(NR_psynch_mutexwait_trap)] = (trap_handler) psynch_mutexwait_trap,
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[sc(NR_psynch_mutexdrop_trap)] = (trap_handler) psynch_mutexdrop_trap,
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[sc(NR_pthread_kill_trap)] = (trap_handler) pthread_kill_trap,
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};
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#undef sc
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