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bsd-user: Implement acct and sync

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Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-06-12 09:31:18 -06:00
parent 4b795b147b
commit d35020ed00
2 changed files with 31 additions and 0 deletions
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23
bsd-user/bsd-file.h
View File

@ -526,4 +526,27 @@ static abi_long do_bsd_ftruncate(void *cpu_env, abi_long arg1,
return get_errno(ftruncate(arg1, target_arg64(arg2, arg3)));
}
/* acct(2) */
static abi_long do_bsd_acct(abi_long arg1)
{
abi_long ret;
void *p;
if (arg1 == 0) {
ret = get_errno(acct(NULL));
} else {
LOCK_PATH(p, arg1);
ret = get_errno(acct(path(p)));
UNLOCK_PATH(p, arg1);
}
return ret;
}
/* sync(2) */
static abi_long do_bsd_sync(void)
{
sync();
return 0;
}
#endif /* BSD_FILE_H */

8
bsd-user/freebsd/os-syscall.c
View File

@ -365,6 +365,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_ftruncate(cpu_env, arg1, arg2, arg3, arg4);
break;
case TARGET_FREEBSD_NR_acct: /* acct(2) */
ret = do_bsd_acct(arg1);
break;
case TARGET_FREEBSD_NR_sync: /* sync(2) */
ret = do_bsd_sync();
break;
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;