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Fix that WSI layer display could end up with empty fd_set

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Moved FD_ZERO() and FD_SET() inside the do...while loop
so the fd_set is re-initialized before each select() call

Signed-off-by: Maged Elnaggar <maged.elnaggar@arm.com>
Change-Id: I63b9d472248ba4af150e1bcb235bf441c7e91c58
This commit is contained in:
Maged Elnaggar 2026-04-14 14:29:43 +01:00
parent 11e68db8ec
commit 65541a5557
1 changed files with 4 additions and 3 deletions
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7
wsi/display/swapchain.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2024-2025 Arm Limited.
* Copyright (c) 2024-2026 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
@ -359,11 +359,12 @@ void swapchain::present_image(const pending_present_request &pending_present)
}
fd_set fds;
FD_ZERO(&fds);
FD_SET(display->get_drm_fd(), &fds);
do
{
FD_ZERO(&fds);
FD_SET(display->get_drm_fd(), &fds);
struct timeval t;
t.tv_sec = 1;
t.tv_usec = 0;