diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 8 | ||||
| -rw-r--r-- | nptl/Makefile | 1 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/bits/local_lim.h | 4 | ||||
| -rw-r--r-- | nptl/tst-sysconf.c | 45 |
4 files changed, 56 insertions, 2 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index d2202f2b64..a1164fd9d0 100644 --- 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 c069fe6787..777311a258 100644 --- 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 63de09a1b0..9415122b9e 100644 --- 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 index 0000000000..b8ab7b0ca7 --- /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; +} |