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sendmsg: support MSG_DONTWAIT

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Matheus
2026-05-30 12:45:28 -03:00
parent 0fd5819ee7
commit 8a94de445f
1 changed files with 10 additions and 2 deletions
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kernel-src/sys/syscalls/sendmsg.c
+10 -2
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@@ -8,7 +8,7 @@
syscallret_t syscall_sendmsg(context_t *, int fd, msghdr_t *umsghdr, int flags) {
syscallret_t ret;
if (flags & ~MSG_NOSIGNAL)
if (flags & ~(MSG_DONTWAIT | MSG_NOSIGNAL))
printf("sendmsg: unknown %x\n", flags);
msghdr_t msghdr;
@@ -51,12 +51,20 @@ syscallret_t syscall_sendmsg(context_t *, int fd, msghdr_t *umsghdr, int flags)
socket_t *socket = SOCKFS_SOCKET_FROM_NODE(file->vnode);
int sendflags = 0;
if (flags & MSG_NOSIGNAL)
sendflags |= SOCKET_SEND_FLAGS_NOSIGNAL;
if (flags & MSG_DONTWAIT)
sendflags |= V_FFLAGS_NONBLOCKING;
iovec_iterator_t iovec_iterator;
sockdesc_t desc = {
.addr = msghdr.addr ? &sockaddr : NULL,
.iovec_iterator = &iovec_iterator,
.count = buffersize,
.flags = fileflagstovnodeflags(file->flags) | ((flags & MSG_NOSIGNAL) ? SOCKET_SEND_FLAGS_NOSIGNAL : 0),
.flags = fileflagstovnodeflags(file->flags) | sendflags,
.donecount = 0,
.ctrl = msghdr.msgctrl,
.ctrllen = msghdr.ctrllen,