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Skip stdin fd for want_read in select (#3983)
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UE uses this to signal if it should read from stdin, real hardware never marks it as as readable
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Stephen Miller 2026-01-31 15:31:58 -06:00 committed by GitHub
parent 1d36cc7df3
commit 3bd6a0f9f8
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1 changed files with 2 additions and 1 deletions
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3
src/core/libraries/kernel/file_system.cpp
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@ -1262,7 +1262,8 @@ s32 PS4_SYSV_ABI posix_select(s32 nfds, fd_set_posix* readfds, fd_set_posix* wri
if (file->type == Core::FileSys::FileType::Regular ||
file->type == Core::FileSys::FileType::Device) {
// Disk files always ready
if (want_read) {
// For devices, stdin (fd 0) is never read-ready.
if (want_read && i != 0) {
FD_SET_POSIX(i, &read_ready);
}
if (want_write) {