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| author | Andres Freund <andres@anarazel.de> | 2016-03-18 11:43:59 -0700 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2016-03-18 11:46:45 -0700 |
| commit | 6bc4d95fcc2a432fc202cba03d5393be096f0422 (patch) | |
| tree | 1cb1ba00b741eba962d21a55bb304507f24dd110 /src/backend/port/win32_latch.c | |
| parent | fad0f9d8c9f6a8e99156b8f01cba54be39f31761 (diff) | |
| download | postgresql-6bc4d95fcc2a432fc202cba03d5393be096f0422.tar.gz | |
Error out if waiting on socket readiness without a specified socket.
Previously we just ignored such an attempt, but that seems to serve no
purpose but making things harder to debug.
Discussion: 20160114143931.GG10941@awork2.anarazel.de
20151230173734.hx7jj2fnwyljfqek@alap3.anarazel.de
Reviewed-By: Robert Haas
Diffstat (limited to 'src/backend/port/win32_latch.c')
| -rw-r--r-- | src/backend/port/win32_latch.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/port/win32_latch.c b/src/backend/port/win32_latch.c index 80adc13e68..b1b071339e 100644 --- a/src/backend/port/win32_latch.c +++ b/src/backend/port/win32_latch.c @@ -113,12 +113,13 @@ WaitLatchOrSocket(volatile Latch *latch, int wakeEvents, pgsocket sock, int result = 0; int pmdeath_eventno = 0; - /* Ignore WL_SOCKET_* events if no valid socket is given */ - if (sock == PGINVALID_SOCKET) - wakeEvents &= ~(WL_SOCKET_READABLE | WL_SOCKET_WRITEABLE); - Assert(wakeEvents != 0); /* must have at least one wake event */ + /* waiting for socket readiness without a socket indicates a bug */ + if (sock == PGINVALID_SOCKET && + (wakeEvents & (WL_SOCKET_READABLE | WL_SOCKET_WRITEABLE)) != 0) + elog(ERROR, "cannot wait on socket event without a socket"); + if ((wakeEvents & WL_LATCH_SET) && latch->owner_pid != MyProcPid) elog(ERROR, "cannot wait on a latch owned by another process"); |