hare

commit 1f08b4bc493a65fcc5e68aef42d141e6c925fb3e
parent bd4dee296d01f6e72c510d9c2c30754d4a9a3742
Author: Mykyta Holubakha <hilobakho@gmail.com>
Date:   Wed, 31 Mar 2021 02:58:54 +0300

rt: add readv, writev, readmsg, sendmsg syscalls

Diffstat:
M
rt/+linux/socket.ha
 | 
2
+-
M
rt/+linux/syscalls.ha
 | 
19
+++++++++++++++++++
M
rt/+linux/types.ha
 | 
32
++++++++++++++++++++++++++++++++

3 files changed, 52 insertions(+), 1 deletion(-)
diff --git a/rt/+linux/socket.ha b/rt/+linux/socket.ha
@@ -30,7 +30,7 @@ export type sockaddr_in6 = struct {
 export def UNIX_PATH_MAX: int = 108;
 
 export type sockaddr_un = struct {
-	sin_family: sa_family_t,
+	sun_family: sa_family_t,
 	sun_path: [UNIX_PATH_MAX]char,
 };
 
diff --git a/rt/+linux/syscalls.ha b/rt/+linux/syscalls.ha
@@ -526,3 +526,22 @@ export fn getpeername(sockfd: int, addr: nullable *sockaddr, addrlen: nullable *
 		sockfd: u64, addr: uintptr: u64, addrlen: uintptr: u64))?: int;
 };
 
+export fn readv(fd: int, iov: *const iovec, iovcnt: int) (int | errno) = {
+	return wrap_return(syscall3(SYS_readv,
+		fd: u64, iov: uintptr: u64, iovcnt: u64))?: int;
+};
+
+export fn writev(fd: int, iov: *const iovec, iovcnt: int) (int | errno) = {
+	return wrap_return(syscall3(SYS_writev,
+		fd: u64, iov: uintptr: u64, iovcnt: u64))?: int;
+};
+
+export fn sendmsg(fd: int, msg: *const msghdr, flags: int) (int | errno) = {
+	return wrap_return(syscall3(SYS_sendmsg,
+		fd: u64, msg: uintptr: u64, flags: u64))?: int;
+};
+
+export fn recvmsg(fd: int, msg: *const msghdr, flags: int) (int | errno) = {
+	return wrap_return(syscall3(SYS_recvmsg,
+		fd: u64, msg: uintptr: u64, flags: u64))?: int;
+};
diff --git a/rt/+linux/types.ha b/rt/+linux/types.ha
@@ -519,3 +519,35 @@ export type signalfd_siginfo = struct {
 
 	__pad: [28]u8, // pad to 128 bytes
 };
+
+export type iovec = struct {
+	iov_base: *void,
+	iov_len: size
+};
+
+export def SCM_RIGHTS: int = 0x01;
+export def SCM_CREDENTIALS: int = 0x02;
+
+export type msghdr = struct {
+	msg_name: nullable *void,
+	msg_namelen: u32,
+
+	msg_iov: *[*]iovec,
+	msg_iovlen: size,
+
+	msg_control: *void,
+	msg_controllen: size,
+
+	msg_flags: int
+};
+
+export type cmsghdr = struct {
+	cmsg_len: size,
+	cmsg_level: int,
+	cmsg_type: int,
+};
+
+export type cmsg = struct {
+	hdr: cmsghdr,
+	cmsg_data: [*]u8,
+};