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Add cast for pthread_self() to avoid warning.

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git-svn-id: https://google-glog.googlecode.com/svn/trunk@59 eb4d4688-79bd-11dd-afb4-1d65580434c0
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2009-07-27 05:31:23 +00:00
parent d96287aa28
commit 70cb94e244
1 changed files with 6 additions and 1 deletions
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7
src/signalhandler_unittest.cc
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@ -44,7 +44,12 @@
using namespace GOOGLE_NAMESPACE; using namespace GOOGLE_NAMESPACE;
void* DieInThread(void*) { void* DieInThread(void*) {
fprintf(stderr, "0x%lx is dying\n", pthread_self()); // We assume pthread_t is an integral number or a pointer, rather
// than a complex struct. In some environments, pthread_self()
// returns an uint64 but in some other environments pthread_self()
// returns a pointer. Hence we use C-style cast here, rather than
// reinterpret/static_cast, to support both types of environments.
fprintf(stderr, "0x%lx is dying\n", (long)pthread_self());
// Use volatile to prevent from these to be optimized away. // Use volatile to prevent from these to be optimized away.
volatile int a = 0; volatile int a = 0;
volatile int b = 1 / a; volatile int b = 1 / a;