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https://github.com/Motorhead1991/qemu.git
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a478416dc8
Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Warner Losh <imp@bsdimp.com> Message-Id: <20230925182425.3163-12-kariem.taha2.7@gmail.com>
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* process related system call shims and definitions
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*
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* Copyright (c) 2013-2014 Stacey D. Son
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BSD_PROC_H_
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#define BSD_PROC_H_
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#include <sys/resource.h>
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#include "qemu-bsd.h"
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#include "gdbstub/syscalls.h"
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#include "qemu/plugin.h"
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int bsd_get_ncpu(void);
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/* exit(2) */
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static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1)
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{
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#ifdef TARGET_GPROF
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_mcleanup();
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#endif
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gdb_exit(arg1);
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qemu_plugin_user_exit();
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_exit(arg1);
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return 0;
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}
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/* getgroups(2) */
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static inline abi_long do_bsd_getgroups(abi_long gidsetsize, abi_long arg2)
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{
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abi_long ret;
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uint32_t *target_grouplist;
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g_autofree gid_t *grouplist;
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int i;
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grouplist = g_try_new(gid_t, gidsetsize);
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ret = get_errno(getgroups(gidsetsize, grouplist));
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if (gidsetsize != 0) {
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if (!is_error(ret)) {
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target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
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if (!target_grouplist) {
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return -TARGET_EFAULT;
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}
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for (i = 0; i < ret; i++) {
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target_grouplist[i] = tswap32(grouplist[i]);
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}
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unlock_user(target_grouplist, arg2, gidsetsize * 2);
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}
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}
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return ret;
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}
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/* setgroups(2) */
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static inline abi_long do_bsd_setgroups(abi_long gidsetsize, abi_long arg2)
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{
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uint32_t *target_grouplist;
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g_autofree gid_t *grouplist;
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int i;
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grouplist = g_try_new(gid_t, gidsetsize);
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target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
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if (!target_grouplist) {
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return -TARGET_EFAULT;
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}
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for (i = 0; i < gidsetsize; i++) {
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grouplist[i] = tswap32(target_grouplist[i]);
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}
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unlock_user(target_grouplist, arg2, 0);
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return get_errno(setgroups(gidsetsize, grouplist));
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}
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#endif /* !BSD_PROC_H_ */
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