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[PATCH 09/11] bsd-user: Implement dup and dup2
From: |
Warner Losh |
Subject: |
[PATCH 09/11] bsd-user: Implement dup and dup2 |
Date: |
Sun, 12 Jun 2022 14:48:49 -0600 |
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
bsd-user/bsd-file.h | 14 ++++++++++++++
bsd-user/freebsd/os-syscall.c | 8 ++++++++
2 files changed, 22 insertions(+)
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h
index 500d6ba78b9..73263ba482f 100644
--- a/bsd-user/bsd-file.h
+++ b/bsd-user/bsd-file.h
@@ -491,4 +491,18 @@ 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
- Re: [PATCH 03/11] bsd-user: Implement revoke, access, eaccess and faccessat, (continued)
- [PATCH 04/11] bsd-user: Implement chdir and fchdir, Warner Losh, 2022/06/12
- [PATCH 05/11] bsd-user: Implement rename and renameat, Warner Losh, 2022/06/12
- [PATCH 06/11] bsd-user: Implement link, linkat, unlink and unlinkat, Warner Losh, 2022/06/12
- [PATCH 08/11] bsd-user: Implement rmdir and undocumented -_getcwd, Warner Losh, 2022/06/12
- [PATCH 09/11] bsd-user: Implement dup and dup2,
Warner Losh <=
- [PATCH 11/11] bsd-user: Implement acct and sync, Warner Losh, 2022/06/12
- [PATCH 07/11] bsd-user: Implement mkdir and mkdirat, Warner Losh, 2022/06/12
- [PATCH 10/11] bsd-user: Implement trunctate and ftruncate, Warner Losh, 2022/06/12