[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 18/28] bsd-user: Implement getpriority(2) and setpriority(2).
From: |
Karim Taha |
Subject: |
[PATCH v2 18/28] bsd-user: Implement getpriority(2) and setpriority(2). |
Date: |
Mon, 18 Sep 2023 00:37:53 +0300 |
From: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
---
bsd-user/bsd-proc.h | 24 ++++++++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 8 ++++++++
2 files changed, 32 insertions(+)
diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h
index fff1d4cded..89792d26c6 100644
--- a/bsd-user/bsd-proc.h
+++ b/bsd-user/bsd-proc.h
@@ -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_ */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 1a760b1380..71a2657dd0 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -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.
--
2.42.0
- [PATCH v2 12/28] bsd-user: Implement umask(2), setlogin(2) and getlogin(2), (continued)
- [PATCH v2 12/28] bsd-user: Implement umask(2), setlogin(2) and getlogin(2), Karim Taha, 2023/09/17
- [PATCH v2 13/28] bsd-user: Implement getrusage(2)., Karim Taha, 2023/09/17
- [PATCH v2 14/28] bsd-user: Implement getrlimit(2) and setrlimit(2), Karim Taha, 2023/09/17
- [PATCH v2 15/28] bsd-user: Implement several get/set system calls:, Karim Taha, 2023/09/17
- [PATCH v2 16/28] bsd-user: Implement get/set[resuid/resgid/sid] and issetugid., Karim Taha, 2023/09/17
- [PATCH v2 18/28] bsd-user: Implement getpriority(2) and setpriority(2).,
Karim Taha <=
- [PATCH v2 17/28] bsd-user: Add stubs for profil(2), ktrace(2), utrace(2) and ptrace(2)., Karim Taha, 2023/09/17
- [PATCH v2 19/28] bsd-user: Implement get_filename_from_fd., Karim Taha, 2023/09/17
- [PATCH v2 23/28] bsd-user: Implement wait4(2) and wait6(2) system calls., Karim Taha, 2023/09/17
- [PATCH v2 24/28] bsd-user: Implement setloginclass(2) and getloginclass(2) system calls., Karim Taha, 2023/09/17
- [PATCH v2 27/28] bsd-user: Implement rfork(2) system call., Karim Taha, 2023/09/17