merge revision(s) r45190,r45202,r45204,r45713: [Backport ruby#9586]

	configure.in: define SET_THREAD_NAME

	* configure.in (SET_THREAD_NAME): define according to
  pthread_setname_np variations.
	* configure.in: correct pthread_setname_np's prototype on NetBSD.
	  [Bug ruby#9586]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,8 @@
+Thu May  8 01:13:10 2014  NARUSE, Yui  <[email protected]>
+
+	* configure.in: correct pthread_setname_np's prototype on NetBSD.
+	  [Bug #9586]
+
 Tue May  6 00:54:56 2014  Narihiro Nakamura  <[email protected]>
 
 	* gc.c (gc_after_sweep): suppress unnecessary expanding heap.

configure.in

@@ -2454,6 +2454,36 @@ if test x"$enable_pthread" = xyes; then
     else
       AC_CHECK_FUNCS(pthread_attr_init)
     fi
+    if test "$ac_cv_func_pthread_setname_np" = yes; then
+	AC_CACHE_CHECK([arguments of pthread_setname_np], [rb_cv_func_pthread_setname_np_arguments],
+	    [rb_cv_func_pthread_setname_np_arguments=
+	    # Linux,AIX,  (pthread_self(), name)
+	    # NetBSD (pthread_self(), name, \"%s\")
+	    # Darwin (name)
+	    for mac in \
+		"(pthread_self(), name)" \
+		"(pthread_self(), name, \"%s\")" \
+		"(name)" \
+		; do
+		AC_TRY_COMPILE([
+		    @%:@include <pthread.h>
+		    @%:@ifdef HAVE_PTHREAD_NP_H
+		    @%:@include <pthread_np.h>
+		    @%:@endif
+		    @%:@define SET_THREAD_NAME(name) pthread_setname_np${mac}
+		    ],
+		    [if (SET_THREAD_NAME("conftest")) return 1;],
+		    [rb_cv_func_pthread_setname_np_arguments="${mac}"
+		    break])
+	    done
+	    ]
+	)
+	if test -n "${rb_cv_func_pthread_setname_np_arguments}"; then
+	    AC_DEFINE_UNQUOTED(SET_THREAD_NAME(name), pthread_setname_np${rb_cv_func_pthread_setname_np_arguments})
+	else
+	    AC_DEFINE_UNQUOTED(SET_THREAD_NAME(name), (void)0)
+	fi
+    fi
 fi
 if test x"$ac_cv_header_ucontext_h" = xyes; then
     if test x"$rb_with_pthread" = xyes; then

thread_pthread.c

@@ -1422,11 +1422,9 @@ timer_thread_sleep(rb_global_vm_lock_t* unused)
 #endif /* USE_SLEEPY_TIMER_THREAD */
 
 #if defined(__linux__) && defined(PR_SET_NAME)
+# undef SET_THREAD_NAME
 # define SET_THREAD_NAME(name) prctl(PR_SET_NAME, name)
-#elif defined(HAVE_PTHREAD_SETNAME_NP)
-/* pthread_setname_np() on Darwin does not have target thread argument */
-# define SET_THREAD_NAME(name) pthread_setname_np(name)
-#else
+#elif !defined(SET_THREAD_NAME)
 # define SET_THREAD_NAME(name) (void)0
 #endif
 

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.2"
 #define RUBY_RELEASE_DATE "2014-05-08"
-#define RUBY_PATCHLEVEL 94
+#define RUBY_PATCHLEVEL 95
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 5