Add epoll check to autoconf and Makefile

[lttng-tools.git] / include / lttng-share.h

diff --git a/include/lttng-share.h b/include/lttng-share.h
index 812a0f05c1fe473878467075e14aaba73b68d5ae..38598bcea2de5b02b8868a45a3a4cce0bcd8a43f 100644 (file)
--- a/include/lttng-share.h
+++ b/include/lttng-share.h
@@ -3,8 +3,8 @@
  *
  * 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; either version 2
- * of the License, or (at your option) any later version.
+ * 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
@@ -19,14 +19,27 @@
 #ifndef _LTTNG_SHARE_H
 #define _LTTNG_SHARE_H
 
-#include <asm/types.h>
-#include <stdint.h>
+/* 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
 
-typedef uint32_t u32;
-typedef uint64_t u64;
+#define DEFAULT_METADATA_SUBBUF_SIZE    4096
+#define DEFAULT_METADATA_SUBBUF_NUM     2
 
-typedef __s64 s64;
+/* Kernel has different defaults */
 
-#define LTTNG_RUNDIR        "/var/run/lttng"
+/* 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
 
 #endif /* _LTTNG_SHARE_H */