diff options
Diffstat (limited to 'support/support_set_small_thread_stack_size.c')
| -rw-r--r-- | support/support_set_small_thread_stack_size.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/support/support_set_small_thread_stack_size.c b/support/support_set_small_thread_stack_size.c new file mode 100644 index 0000000000..23189fd505 --- /dev/null +++ b/support/support_set_small_thread_stack_size.c @@ -0,0 +1,30 @@ +/* Set a small stack size, but still large enough for glibc's needs. + Copyright (C) 2019 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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, see + <https://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <support/xthread.h> +#include <sys/param.h> + +void +support_set_small_thread_stack_size (pthread_attr_t *attr) +{ + /* Some architectures have too small values for PTHREAD_STACK_MIN + which cannot be used for creating threads. Ensure that the stack + size is at least 256 KiB. */ + xpthread_attr_setstacksize (attr, MAX (256 * 1024, PTHREAD_STACK_MIN)); +} |