thread/Name: enable FormatThreadName() with prctl()

Add macro HAVE_THREAD_NAME which is set when any method to set the thread name is available. Use that macro in FormatThreadName() instead of just checking for HAVE_PTHREAD_SETNAME_NP.

thread/Name: enable FormatThreadName() with prctl()
b9ed850b · Max Kellermann · 11cea174 · b9ed850b
Commit b9ed850b authored Jan 06, 2015 by Max Kellermann
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Name.hxx src/thread/Name.hxx +5 -1

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--- a/src/thread/Name.hxx
+++ b/src/thread/Name.hxx
@@ -21,10 +21,14 @@
 #define MPD_THREAD_NAME_HXX

 #ifdef HAVE_PTHREAD_SETNAME_NP
+#  define HAVE_THREAD_NAME
 #  include <pthread.h>
 #  include <stdio.h>
 #elif defined(HAVE_PRCTL)
 #  include <sys/prctl.h>
+#  ifdef PR_SET_NAME
+#    define HAVE_THREAD_NAME
+#  endif
 #endif

 static inline void
@@ -47,7 +51,7 @@ template<typename... Args>
 static inline void
 FormatThreadName(const char *fmt, gcc_unused Args&&... args)
 {
-#ifdef HAVE_PTHREAD_SETNAME_NP
+#ifdef HAVE_THREAD_NAME
 	char buffer[16];
 	snprintf(buffer, sizeof(buffer), fmt, args...);
 	SetThreadName(buffer);