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[PULL 09/11] bsd-user: Implement dup and dup2
From: |
Warner Losh |
Subject: |
[PULL 09/11] bsd-user: Implement dup and dup2 |
Date: |
Sun, 19 Jun 2022 12:05:29 -0600 |
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/bsd-file.h | 12 ++++++++++++
bsd-user/freebsd/os-syscall.c | 8 ++++++++
2 files changed, 20 insertions(+)
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h
index 8ec53145894..021541ad2e0 100644
--- a/bsd-user/bsd-file.h
+++ b/bsd-user/bsd-file.h
@@ -485,4 +485,16 @@ static abi_long do_bsd___getcwd(abi_long arg1, abi_long
arg2)
return get_errno(ret);
}
+/* dup(2) */
+static abi_long do_bsd_dup(abi_long arg1)
+{
+ return get_errno(dup(arg1));
+}
+
+/* dup2(2) */
+static abi_long do_bsd_dup2(abi_long arg1, abi_long arg2)
+{
+ return get_errno(dup2(arg1, arg2));
+}
+
#endif /* BSD_FILE_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index e28a566d6c3..d9ebb9d50d6 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -349,6 +349,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num,
abi_long arg1,
ret = do_bsd___getcwd(arg1, arg2);
break;
+ case TARGET_FREEBSD_NR_dup: /* dup(2) */
+ ret = do_bsd_dup(arg1);
+ break;
+
+ case TARGET_FREEBSD_NR_dup2: /* dup2(2) */
+ ret = do_bsd_dup2(arg1, arg2);
+ break;
+
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;
--
2.33.1
- [PULL 00/11] Bsd user syscall 2022q2 patches, Warner Losh, 2022/06/19
- [PULL 02/11] bsd-user: Implement fdatasync, fsync and close_from, Warner Losh, 2022/06/19
- [PULL 01/11] bsd-user: Implement open, openat and close, Warner Losh, 2022/06/19
- [PULL 04/11] bsd-user: Implement chdir and fchdir, Warner Losh, 2022/06/19
- [PULL 05/11] bsd-user: Implement rename and renameat, Warner Losh, 2022/06/19
- [PULL 03/11] bsd-user: Implement revoke, access, eaccess and faccessat, Warner Losh, 2022/06/19
- [PULL 07/11] bsd-user: Implement mkdir and mkdirat, Warner Losh, 2022/06/19
- [PULL 09/11] bsd-user: Implement dup and dup2,
Warner Losh <=
- [PULL 11/11] bsd-user: Implement acct and sync, Warner Losh, 2022/06/19
- [PULL 06/11] bsd-user: Implement link, linkat, unlink and unlinkat, Warner Losh, 2022/06/19
- [PULL 08/11] bsd-user: Implement rmdir and undocumented __getcwd, Warner Losh, 2022/06/19
- [PULL 10/11] bsd-user: Implement trunctate and ftruncate, Warner Losh, 2022/06/19
- Re: [PULL 00/11] Bsd user syscall 2022q2 patches, Richard Henderson, 2022/06/19