kanemoto	2010-06-30 02:29:27 +0900 (Wed, 30 Jun 2010)

  New Revision: 28485

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=28485

  Log:
    * thread_pthread.c (get_stack): use pthread_getthrds_np() for AIX.
            * configure.in: ditto.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in
    trunk/thread_pthread.c

Index: configure.in
===================================================================
--- configure.in	(revision 28484)
+++ configure.in	(revision 28485)
@@ -1568,7 +1568,7 @@
     AC_CHECK_FUNCS(nanosleep sched_yield pthread_attr_setinheritsched \
 	pthread_getattr_np pthread_attr_get_np pthread_attr_getstack\
 	pthread_get_stackaddr_np pthread_get_stacksize_np \
-	thr_stksegment pthread_stackseg_np)
+	thr_stksegment pthread_stackseg_np pthread_getthrds_np)
     if test x"$ac_cv_func_nanosleep" = xno; then
        AC_CHECK_LIB(rt, nanosleep)
        if test x"$ac_cv_lib_rt_nanosleep" = xyes; then
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 28484)
+++ ChangeLog	(revision 28485)
@@ -1,3 +1,9 @@
+Wed Jun 30 02:30:26 2010  Yutaka Kanemoto  <kanemoto@r...>
+
+	* thread_pthread.c (get_stack): use pthread_getthrds_np() for AIX.
+
+	* configure.in: ditto.
+
 Tue Jun 29 21:11:15 2010  Masaya Tarui  <tarui@r...>
 
 	* ext/stringio/stringio.c (strio_write): add RB_GC_GUARD.
Index: thread_pthread.c
===================================================================
--- thread_pthread.c	(revision 28484)
+++ thread_pthread.c	(revision 28485)
@@ -191,6 +191,8 @@
 #define STACKADDR_AVAILABLE 1
 #elif defined HAVE_THR_STKSEGMENT || defined HAVE_PTHREAD_STACKSEG_NP
 #define STACKADDR_AVAILABLE 1
+#elif defined HAVE_PTHREAD_GETTHRDS_NP
+#define STACKADDR_AVAILABLE 1
 #endif
 
 #ifdef STACKADDR_AVAILABLE
@@ -240,6 +242,16 @@
 # endif
     *addr = stk.ss_sp;
     *size = stk.ss_size;
+#elif defined HAVE_PTHREAD_GETTHRDS_NP
+    pthread_t th = pthread_self();
+    struct __pthrdsinfo thinfo;
+    char reg[256];
+    int regsiz=sizeof(reg);
+    CHECK_ERR(pthread_getthrds_np(&th, PTHRDSINFO_QUERY_ALL,
+				   &thinfo, sizeof(thinfo),
+				   &reg, &regsiz));
+    *addr = thinfo.__pi_stackaddr;
+    *size = thinfo.__pi_stacksize;
 #endif
     return 0;
 #undef CHECK_ERR

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