mirror/ULib
1
0
Fork 0
mirror of https://github.com/stefanocasazza/ULib.git synced 2025-10-05 19:18:01 +08:00
Code Issues Releases Wiki Activity

Update ioring.h

Browse Source
This commit is contained in:
Victor Stewart 2020-05-28 16:16:13 -04:00 committed by GitHub
parent e5415ace64
commit e94c6146c2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/ulib/ioring.h
View File

@ -104,9 +104,15 @@ private:
struct io_uring_sqe *sqe = sqes[sqe_tail++ & *ring_mask];
sqe->opcode = op;
sqe->flags = IOSQE_FIXED_FILE; // signals that we pass an index into socketfds rather than a file descriptor
if (op == IORING_OP_PROVIDE_BUFFERS) sqe->fd = 1; // this gets reads as # of buffers at io_uring.c#L3115
else
{
sqe->flags = IOSQE_FIXED_FILE; // signals that we pass an index into socketfds rather than a file descriptor
sqe->fd = slave->fd; // index of the worker's fd in socketfds, but equal to fd
}
sqe->ioprio = 0;
sqe->fd = slave->fd; // index of the worker's fd in socketfds, but equal to fd
sqe->off = offset;
sqe->addr = (unsigned long) addr;
sqe->len = len;
@ -293,6 +299,11 @@ private:
//if (cqe->flags & IORING_CQE_F_BUFFER)
int bufferID = (cqe->flags >> 16);
// when using a buffer pool vs fixed buffers, we must reregister them after usage. we could amoratize this cost, and only do so after N times
struct io_uring_sqe *sqe = submissionQueue.entryFor(U_NULLPTR, IORING_OP_PROVIDE_BUFFERS, (readBuffers + bufferID * READ_BUFFER_SIZE), READ_BUFFER_SIZE, bufferID);
sqe->buf_group = READ_BUFFER_GROUP_ID;
submissionQueue.flush();
UString message;
message.setConstant(readBuffers[bufferID], cqe->res);