commit e4ca1795ead89b5ae79557775163bee6b505ffcc
author David Reiss <dreiss@apache.org> 周四 5月 21 02:28:19 2009 +0000
committer David Reiss <dreiss@apache.org> 周四 5月 21 02:28:19 2009 +0000
tree 1fa753acfce9e02b101bfa15dc9aa78be2f981e0
parent 85a8f7b4c22344da3f8e4d259b2cdf591e31d048

cpp: Deal with systems without sched_get_priority_{min,max} (OpenBSD)

Also make a few tweaks to configure.ac:
- Check for clock_gettime in librt since it seems to be more
  widely available.
- Make it clear which AC_CHECK_FUNCS are optional.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@776927 13f79535-47bb-0310-9956-ffa450edef68

lib/cpp/src/concurrency/PosixThreadFactory.cpp

diff --git a/lib/cpp/src/concurrency/PosixThreadFactory.cpp b/lib/cpp/src/concurrency/PosixThreadFactory.cpp
index e48dce3..893dc80 100644
--- a/lib/cpp/src/concurrency/PosixThreadFactory.cpp
+++ b/lib/cpp/src/concurrency/PosixThreadFactory.cpp
@@ -227,8 +227,14 @@
    */
   static int toPthreadPriority(POLICY policy, PRIORITY priority) {
     int pthread_policy = toPthreadPolicy(policy);
-    int min_priority = sched_get_priority_min(pthread_policy);
-    int max_priority = sched_get_priority_max(pthread_policy);
+    int min_priority = 0;
+    int max_priority = 0;
+#ifdef HAVE_SCHED_GET_PRIORITY_MIN
+    min_priority = sched_get_priority_min(pthread_policy);
+#endif
+#ifdef HAVE_SCHED_GET_PRIORITY_MAX
+    max_priority = sched_get_priority_max(pthread_policy);
+#endif
     int quanta = (HIGHEST - LOWEST) + 1;
     float stepsperquanta = (max_priority - min_priority) / quanta;