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Implement a variation of the socketpair() syscall which takes a flags

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in addition to the type argument.

Approved by:	kib (mentor)
MFC after:	1 month
This commit is contained in:
Dmitry Chagin 2009-05-31 12:16:31 +00:00
parent 4202e1be20
commit 39253cf9bb
1 changed files with 28 additions and 2 deletions
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30
sys/compat/linux/linux_socket.c
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@ -884,12 +884,20 @@ linux_socketpair(struct thread *td, struct linux_socketpair_args *args)
int protocol;
int *rsv;
} */ bsd_args;
int error, socket_flags;
int sv[2];
bsd_args.domain = linux_to_bsd_domain(args->domain);
if (bsd_args.domain != PF_LOCAL)
return (EAFNOSUPPORT);
bsd_args.type = args->type;
socket_flags = args->type & ~LINUX_SOCK_TYPE_MASK;
if (socket_flags & ~(LINUX_SOCK_CLOEXEC | LINUX_SOCK_NONBLOCK))
return (EINVAL);
bsd_args.type = args->type & LINUX_SOCK_TYPE_MASK;
if (bsd_args.type < 0 || bsd_args.type > LINUX_SOCK_MAX)
return (EINVAL);
if (args->protocol != 0 && args->protocol != PF_UNIX)
/*
@ -902,7 +910,25 @@ linux_socketpair(struct thread *td, struct linux_socketpair_args *args)
else
bsd_args.protocol = 0;
bsd_args.rsv = (int *)PTRIN(args->rsv);
return (socketpair(td, &bsd_args));
error = kern_socketpair(td, bsd_args.domain, bsd_args.type,
bsd_args.protocol, sv);
if (error)
return (error);
error = linux_set_socket_flags(td, sv[0], socket_flags);
if (error)
goto out;
error = linux_set_socket_flags(td, sv[1], socket_flags);
if (error)
goto out;
error = copyout(sv, bsd_args.rsv, 2 * sizeof(int));
out:
if (error) {
(void)kern_close(td, sv[0]);
(void)kern_close(td, sv[1]);
}
return (error);
}
struct linux_send_args {