diff options
| author | deischen <deischen@FreeBSD.org> | 2000-11-11 22:20:36 +0000 |
|---|---|---|
| committer | deischen <deischen@FreeBSD.org> | 2000-11-11 22:20:36 +0000 |
| commit | a7772ecabd99e13657fa840644a2aecfc02d6d44 (patch) | |
| tree | 2ce4b6f36fe48fc1dcb7cbe7a4d7a347a0af9816 /lib | |
| parent | 8fee57f7e707c21b2169572249b900ab5429f539 (diff) | |
| download | FreeBSD-src-a7772ecabd99e13657fa840644a2aecfc02d6d44.zip FreeBSD-src-a7772ecabd99e13657fa840644a2aecfc02d6d44.tar.gz | |
Correct the logic for checking the emptiness of the waiting queue.
This fixes a potential problem where the file descriptors would not
be polled causing waiting threads to stay waiting. Doh!
MFC candidate.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc_r/uthread/uthread_kern.c | 2 | ||||
| -rw-r--r-- | lib/libkse/thread/thr_kern.c | 2 | ||||
| -rw-r--r-- | lib/libpthread/thread/thr_kern.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/lib/libc_r/uthread/uthread_kern.c b/lib/libc_r/uthread/uthread_kern.c index 67844e1..4d92385 100644 --- a/lib/libc_r/uthread/uthread_kern.c +++ b/lib/libc_r/uthread/uthread_kern.c @@ -323,7 +323,7 @@ _thread_kern_scheduler(void) * Avoid polling file descriptors if there are none * waiting: */ - if (TAILQ_EMPTY(&_workq) == 0) { + if (TAILQ_EMPTY(&_workq) != 0) { } /* * Poll file descriptors only if a new scheduling signal diff --git a/lib/libkse/thread/thr_kern.c b/lib/libkse/thread/thr_kern.c index 67844e1..4d92385 100644 --- a/lib/libkse/thread/thr_kern.c +++ b/lib/libkse/thread/thr_kern.c @@ -323,7 +323,7 @@ _thread_kern_scheduler(void) * Avoid polling file descriptors if there are none * waiting: */ - if (TAILQ_EMPTY(&_workq) == 0) { + if (TAILQ_EMPTY(&_workq) != 0) { } /* * Poll file descriptors only if a new scheduling signal diff --git a/lib/libpthread/thread/thr_kern.c b/lib/libpthread/thread/thr_kern.c index 67844e1..4d92385 100644 --- a/lib/libpthread/thread/thr_kern.c +++ b/lib/libpthread/thread/thr_kern.c @@ -323,7 +323,7 @@ _thread_kern_scheduler(void) * Avoid polling file descriptors if there are none * waiting: */ - if (TAILQ_EMPTY(&_workq) == 0) { + if (TAILQ_EMPTY(&_workq) != 0) { } /* * Poll file descriptors only if a new scheduling signal |
