X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Flttng-share.h;fp=src%2Fcommon%2Flttng-share.h;h=0000000000000000000000000000000000000000;hb=990570edd474b304d4c935d82be6201d872025e4;hp=e859ead91df1b88fedf88933a92d89136863ef80;hpb=3cede4fe1597481f6cbf508ddf3d24e024405ed2;p=lttng-tools.git diff --git a/src/common/lttng-share.h b/src/common/lttng-share.h deleted file mode 100644 index e859ead91..000000000 --- a/src/common/lttng-share.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (C) 2011 - David Goulet - * Mathieu Desnoyers - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; only version 2 of the License. - * - * 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., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _LTTNG_SHARE_H -#define _LTTNG_SHARE_H - -#include - -/* Default size of a hash table */ -#define DEFAULT_HT_SIZE 4 - -/* Default channel attributes */ -#define DEFAULT_CHANNEL_NAME "channel0" -#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */ -/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ -#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ -/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */ -#define DEFAULT_CHANNEL_SUBBUF_NUM 8 -#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */ -#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */ -#define DEFAULT_CHANNEL_OUTPUT LTTNG_EVENT_MMAP - -#define DEFAULT_METADATA_SUBBUF_SIZE 4096 -#define DEFAULT_METADATA_SUBBUF_NUM 2 - -/* Kernel has different defaults */ - -/* DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ -#define DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE 262144 /* bytes */ -/* DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM must always be a power of 2 */ -#define DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM 4 -/* See lttng-kernel.h enum lttng_kernel_output for channel output */ -#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE - -/* User space defaults */ - -/* Must be a power of 2 */ -#define DEFAULT_UST_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ -/* Must be a power of 2 */ -#define DEFAULT_UST_CHANNEL_SUBBUF_NUM 4 -/* See lttng-ust.h enum lttng_ust_output */ -#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_EVENT_MMAP - -/* - * Default timeout value for the sem_timedwait() call. Blocking forever is not - * wanted so a timeout is used to control the data flow and not freeze the - * session daemon. - */ -#define DEFAULT_SEM_WAIT_TIMEOUT 30 /* in seconds */ - -/* - * Takes a pointer x and transform it so we can use it to access members - * without a function call. Here an example: - * - * #define GET_SIZE(x) LTTNG_REF(x)->size - * - * struct { int size; } s; - * - * printf("size : %d\n", GET_SIZE(&s)); - * - * For this example we can't use something like this for compatibility purpose - * since this will fail: - * - * #define GET_SIZE(x) x->size; - * - * This is mostly use for the compatibility layer of lttng-tools. See - * poll/epoll for a good example. Since x can be on the stack or allocated - * memory using malloc(), we must use generic accessors for compat in order to - * *not* use a function to access members and not the variable name. - */ -#define LTTNG_REF(x) ((typeof(*x) *)(x)) - -/* - * Memory allocation zeroed - */ -#define zmalloc(x) calloc(1, x) - -#ifndef ARRAY_SIZE -#define ARRAY_SIZE(array) (sizeof(array) / (sizeof((array)[0]))) -#endif - - -#endif /* _LTTNG_SHARE_H */