X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fdefaults.c;fp=src%2Fcommon%2Fdefaults.c;h=0000000000000000000000000000000000000000;hp=2550784cf1b01cf834f695e51e16c3cadf58d7a7;hb=a6bc4ca9d659caf016ef932fcd944029737ac57c;hpb=97535efaa975ca52bf02c2d5e76351bfd2e3defa

diff --git a/src/common/defaults.c b/src/common/defaults.c
deleted file mode 100644
index 2550784cf..000000000
--- a/src/common/defaults.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright (C) 2012 Simon Marchi <simon.marchi@polymtl.ca>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#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 "error.h"
-
-static int pthread_attr_init_done;
-static pthread_attr_t tattr;
-
-static size_t get_page_size(void)
-{
-	const long ret = sysconf(_SC_PAGE_SIZE);
-
-	if (ret < 0) {
-		/*
-		 * Fatal error since there is no safe way to recover from this.
-		 */
-		PERROR("Failed to get system page size using sysconf(_SC_PAGE_SIZE)");
-		abort();
-	}
-
-	return (size_t) ret;
-}
-
-size_t default_get_channel_subbuf_size(void)
-{
-	return max(_DEFAULT_CHANNEL_SUBBUF_SIZE, get_page_size());
-}
-
-size_t default_get_metadata_subbuf_size(void)
-{
-	return max(DEFAULT_METADATA_SUBBUF_SIZE, get_page_size());
-}
-
-size_t default_get_kernel_channel_subbuf_size(void)
-{
-	return max(DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE, get_page_size());
-}
-
-size_t default_get_ust_pid_channel_subbuf_size(void)
-{
-	return max(DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE, get_page_size());
-}
-
-size_t default_get_ust_uid_channel_subbuf_size(void)
-{
-	return max(DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE, get_page_size());
-}
-
-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 least %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");
-	}
-}