[LLVMbugs] [Bug 20827] New: clang 3.3 suggests initializing pthread_t to NULL

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Sep 1 12:23:28 PDT 2014


            Bug ID: 20827
           Summary: clang 3.3 suggests initializing pthread_t to NULL
           Product: clang
           Version: 3.3
          Hardware: PC
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: keith at bostic.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

wtperf.c:1867:28: warning: variable 'monitor_thread' may be uninitialized when
      used here [-Wconditional-uninitialized]
            (t_ret = pthread_join(monitor_thread, NULL)) != 0) {
wtperf.c:1744:26: note: initialize the variable 'monitor_thread' to silence
        pthread_t monitor_thread;
                                 = NULL

AFAIK, it's never legal to initialize a pthread_t value to anything at all.

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