tests: Make test_per_application_leaks more robust

[lttng-tools.git] / src / common / defaults.c

diff --git a/src/common/defaults.c b/src/common/defaults.c
deleted file mode 100644 (file)
index a39f188..0000000
--- a/src/common/defaults.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (C) 2012 - Simon Marchi <simon.marchi@polymtl.ca>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
- *
- * This program 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 General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#define _LGPL_SOURCE
-#include <stddef.h>
-#include <unistd.h>
-#include <stdbool.h>
-#include <sys/resource.h>
-#include <pthread.h>
-
-#include "defaults.h"
-#include "macros.h"
-#include "align.h"
-#include "error.h"
-
-static int pthread_attr_init_done;
-static pthread_attr_t tattr;
-
-LTTNG_HIDDEN
-size_t default_get_channel_subbuf_size(void)
-{
-       return max(_DEFAULT_CHANNEL_SUBBUF_SIZE, PAGE_SIZE);
-}
-
-LTTNG_HIDDEN
-size_t default_get_metadata_subbuf_size(void)
-{
-       return max(DEFAULT_METADATA_SUBBUF_SIZE, PAGE_SIZE);
-}
-
-LTTNG_HIDDEN
-size_t default_get_kernel_channel_subbuf_size(void)
-{
-       return max(DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE, PAGE_SIZE);
-}
-
-LTTNG_HIDDEN
-size_t default_get_ust_pid_channel_subbuf_size(void)
-{
-       return max(DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE, PAGE_SIZE);
-}
-
-LTTNG_HIDDEN
-size_t default_get_ust_uid_channel_subbuf_size(void)
-{
-       return max(DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE, PAGE_SIZE);
-}
-
-LTTNG_HIDDEN
-pthread_attr_t *default_pthread_attr(void)
-{
-       if (pthread_attr_init_done) {
-               return &tattr;
-       }
-
-       WARN("Uninitialized pthread attributes, using libc defaults.");
-       return NULL;
-}
-
-static void __attribute__((constructor)) init_default_pthread_attr(void)
-{
-       int ret;
-       struct rlimit rlim;
-       size_t pthread_ss, system_ss, selected_ss;
-
-       ret = pthread_attr_init(&tattr);
-       if (ret) {
-               errno = ret;
-               PERROR("pthread_attr_init");
-               goto error;
-       }
-
-       /* Get system stack size limits. */
-       ret = getrlimit(RLIMIT_STACK, &rlim);
-       if (ret < 0) {
-               PERROR("getrlimit");
-               goto error_destroy;
-       }
-       DBG("Stack size limits: soft %lld, hard %lld bytes",
-                       (long long) rlim.rlim_cur,
-                       (long long) rlim.rlim_max);
-
-       /*
-        * getrlimit() may return a stack size of "-1", meaning "unlimited".
-        * In this case, we impose a known-good default minimum value which will
-        * override the libc's default stack size if it is smaller.
-        */
-       system_ss = rlim.rlim_cur != -1 ? rlim.rlim_cur :
-                       DEFAULT_LTTNG_THREAD_STACK_SIZE;
-
-       /* Get pthread default thread stack size. */
-       ret = pthread_attr_getstacksize(&tattr, &pthread_ss);
-       if (ret < 0) {
-               PERROR("pthread_attr_getstacksize");
-               goto error_destroy;
-       }
-       DBG("Default pthread stack size is %zu bytes", pthread_ss);
-
-       selected_ss = max_t(size_t, pthread_ss, system_ss);
-       if (selected_ss < DEFAULT_LTTNG_THREAD_STACK_SIZE) {
-               DBG("Default stack size is too small, setting it to %zu bytes",
-                       (size_t) DEFAULT_LTTNG_THREAD_STACK_SIZE);
-               selected_ss = DEFAULT_LTTNG_THREAD_STACK_SIZE;
-       }
-
-       if (rlim.rlim_max >= 0 && selected_ss > rlim.rlim_max) {
-               WARN("Your system's stack size restrictions (%zu bytes) may be too low for the LTTng daemons to function properly, please set the stack size limit to at leat %zu bytes to ensure reliable operation",
-                       (size_t) rlim.rlim_max, (size_t) DEFAULT_LTTNG_THREAD_STACK_SIZE);
-               selected_ss = (size_t) rlim.rlim_max;
-       }
-
-       ret = pthread_attr_setstacksize(&tattr, selected_ss);
-       if (ret < 0) {
-               PERROR("pthread_attr_setstacksize");
-               goto error_destroy;
-       }
-       pthread_attr_init_done = 1;
-error:
-       return;
-error_destroy:
-       ret = pthread_attr_destroy(&tattr);
-       if (ret) {
-               errno = ret;
-               PERROR("pthread_attr_destroy");
-       }
-}
-
-static void __attribute__((destructor)) fini_default_pthread_attr(void)
-{
-       int ret;
-
-       if (!pthread_attr_init_done) {
-               return;
-       }
-
-       ret = pthread_attr_destroy(&tattr);
-       if (ret) {
-               errno = ret;
-               PERROR("pthread_attr_destroy");
-       }
-}