Update.

2002-12-03  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-sysconf.
	* tst-sysconf.c: New file.

	* sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine
	PTHREAD_THREADS_MAX.

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index d2202f2..a1164fd 100644 (file)
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,11 @@
+2002-12-03  Ulrich Drepper  <drepper@redhat.com>
+
+       * Makefile (tests): Add tst-sysconf.
+       * tst-sysconf.c: New file.
+
+       * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine
+       PTHREAD_THREADS_MAX.
+
 2002-12-02  Roland McGrath  <roland@redhat.com>
 
        * pthreadP.h (__stack_user, __nptl_create_event, __nptl_death_event):

diff --git a/nptl/Makefile b/nptl/Makefile
index c069fe6..777311a 100644 (file)
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -133,6 +133,7 @@ tests = tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \
        tst-exit1 \
        tst-stack1 \
        tst-unload \
+       tst-sysconf \
        tst-locale1
 
 LDFLAGS-pthread.so = -Wl,--enable-new-dtags,-z,nodelete,-z,initfirst

diff --git a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
index 63de09a..9415122 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -63,8 +63,8 @@
 
 /* The number of threads per process.  */
 #define _POSIX_THREAD_THREADS_MAX      64
-/* This is the value this implementation supports.  */
-#define PTHREAD_THREADS_MAX    1024
+/* We have no predefined limit on the number of threads.  */
+#undef PTHREAD_THREADS_MAX
 
 /* Maximum amount by which a process can descrease its asynchronous I/O
    priority level.  */

diff --git a/nptl/tst-sysconf.c b/nptl/tst-sysconf.c
new file mode 100644 (file)
index 0000000..b8ab7b0
--- /dev/null
+++ b/nptl/tst-sysconf.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+
+int
+main (void)
+{
+  puts ("We expect no limits");
+  /* We have no fixed limit on the number of threads.  Make sure the
+     headers tell the right story.  */
+#ifdef PTHREAD_THREADS_MAX
+  printf ("Header report maximum number of threads = %lu\n",
+         (unsigned long int) PTHREAD_THREADS_MAX);
+  return 1;
+#else
+  long int r = sysconf (_SC_THREAD_THREADS_MAX);
+  if (r != -1)
+    {
+      printf ("sysconf(_SC_THREAD_THREADS_MAX) return %ld\n", r);
+      return 1;
+    }
+#endif
+
+  return 0;
+}