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-rw-r--r--src/corelib/configure.json11
-rw-r--r--src/corelib/kernel/qcore_unix.cpp4
2 files changed, 14 insertions, 1 deletions
diff --git a/src/corelib/configure.json b/src/corelib/configure.json
index b2f032a667..ac6396de00 100644
--- a/src/corelib/configure.json
+++ b/src/corelib/configure.json
@@ -1116,6 +1116,17 @@ You need to use libdouble-conversion for double/string conversion."
"message": "detected a std::atomic implementation that fails for function pointers.
Please apply the patch corresponding to your Standard Library vendor, found in
qtbase/config.tests/atomicfptr"
+ },
+ {
+ "type": "error",
+ "condition": [
+ "config.unix || config.integrity",
+ "!features.poll_ppoll",
+ "!features.poll_pollts",
+ "!features.poll_poll",
+ "!features.poll_select"
+ ],
+ "message": "Qt requires poll(), ppoll(), poll_ts() or select() on this platform"
}
],
diff --git a/src/corelib/kernel/qcore_unix.cpp b/src/corelib/kernel/qcore_unix.cpp
index 18c031f137..ff0c957770 100644
--- a/src/corelib/kernel/qcore_unix.cpp
+++ b/src/corelib/kernel/qcore_unix.cpp
@@ -132,8 +132,10 @@ static inline int qt_ppoll(struct pollfd *fds, nfds_t nfds, const struct timespe
return ::ppoll(fds, nfds, timeout_ts, nullptr);
#elif QT_CONFIG(poll_poll)
return ::poll(fds, nfds, timespecToMillisecs(timeout_ts));
-#else
+#elif QT_CONFIG(poll_select)
return qt_poll(fds, nfds, timeout_ts);
+#else
+ // configure.json reports an error when everything is not available
#endif
}