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bsd-user: Implement getpriority(2) and setpriority(2).

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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: <20230925182425.3163-19-kariem.taha2.7@gmail.com>
This commit is contained in:
Stacey Son 2023-09-25 21:24:15 +03:00 committed by Warner Losh
parent 615ad41c61
commit ff26637260
2 changed files with 32 additions and 0 deletions
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24
bsd-user/bsd-proc.h
View File

@ -390,4 +390,28 @@ static inline abi_long do_bsd_ptrace(abi_long arg1, abi_long arg2,
return -TARGET_ENOSYS;
}
/* getpriority(2) */
static inline abi_long do_bsd_getpriority(abi_long which, abi_long who)
{
abi_long ret;
/*
* Note that negative values are valid for getpriority, so we must
* differentiate based on errno settings.
*/
errno = 0;
ret = getpriority(which, who);
if (ret == -1 && errno != 0) {
return -host_to_target_errno(errno);
}
return ret;
}
/* setpriority(2) */
static inline abi_long do_bsd_setpriority(abi_long which, abi_long who,
abi_long prio)
{
return get_errno(setpriority(which, who, prio));
}
#endif /* !BSD_PROC_H_ */

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

@ -359,6 +359,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_ptrace(arg1, arg2, arg3, arg4);
break;
case TARGET_FREEBSD_NR_getpriority: /* getpriority(2) */
ret = do_bsd_getpriority(arg1, arg2);
break;
case TARGET_FREEBSD_NR_setpriority: /* setpriority(2) */
ret = do_bsd_setpriority(arg1, arg2, arg3);
break;
/*
* File system calls.