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-rw-r--r--lib/runtime_tools/c_src/trace_file_drv.c28
-rw-r--r--lib/runtime_tools/c_src/trace_ip_drv.c15
-rw-r--r--lib/runtime_tools/doc/src/dbg.xml7
-rw-r--r--lib/runtime_tools/doc/src/notes.xml47
-rw-r--r--lib/runtime_tools/src/dbg.erl10
-rw-r--r--lib/runtime_tools/vsn.mk2
6 files changed, 78 insertions, 31 deletions
diff --git a/lib/runtime_tools/c_src/trace_file_drv.c b/lib/runtime_tools/c_src/trace_file_drv.c
index 7549161e05..8863b0d6ac 100644
--- a/lib/runtime_tools/c_src/trace_file_drv.c
+++ b/lib/runtime_tools/c_src/trace_file_drv.c
@@ -75,12 +75,8 @@
#ifdef DEBUG
-#ifndef __WIN32__
-#define ASSERT(X) do {if (!(X)) {erl_exit(1,"%s",#X);} } while(0)
-#else
#include <assert.h>
#define ASSERT(X) assert(X)
-#endif
#else
#define ASSERT(X)
#endif
@@ -327,9 +323,11 @@ static ErlDrvData trace_file_start(ErlDrvPort port, char *buff)
| O_BINARY
#endif
, 0777)) < 0) {
+ int saved_errno = errno;
if (wrap)
driver_free(wrap);
driver_free(data);
+ errno = saved_errno;
return ERL_DRV_ERROR_ERRNO;
}
@@ -525,14 +523,19 @@ static void *my_alloc(size_t size)
** A write wrapper that regards it as an error if not all data was written.
*/
static int do_write(FILETYPE fd, unsigned char *buff, int siz) {
- int w = write(fd, buff, siz);
- if (w != siz) {
- if (w >= 0) {
- errno = ENOSPC;
+ int w;
+ while (1) {
+ w = write(fd, buff, siz);
+ if (w < 0 && errno == EINTR)
+ continue;
+ else if (w != siz) {
+ if (w >= 0) {
+ errno = ENOSPC;
+ }
+ return -1;
}
- return -1;
+ return siz;
}
- return siz;
}
/*
@@ -627,8 +630,10 @@ static void close_unlink_port(TraceFileData *data)
*/
static int wrap_file(TraceFileData *data) {
if (my_flush(data) < 0) {
+ int saved_errno = errno;
close(data->fd);
data->fd = -1;
+ errno = saved_errno;
return -1;
}
close(data->fd);
@@ -644,12 +649,15 @@ static int wrap_file(TraceFileData *data) {
next_name(&data->wrap->del);
}
next_name(&data->wrap->cur);
+try_open:
data->fd = open(data->wrap->cur.name, O_WRONLY | O_TRUNC | O_CREAT
#ifdef O_BINARY
| O_BINARY
#endif
, 0777);
if (data->fd < 0) {
+ if (errno == EINTR)
+ goto try_open;
data->fd = -1;
return -1;
}
diff --git a/lib/runtime_tools/c_src/trace_ip_drv.c b/lib/runtime_tools/c_src/trace_ip_drv.c
index f7b5ea65cb..5b43f8179e 100644
--- a/lib/runtime_tools/c_src/trace_ip_drv.c
+++ b/lib/runtime_tools/c_src/trace_ip_drv.c
@@ -44,19 +44,8 @@
#endif
#ifdef DEBUG
-# ifndef __WIN32__
- /* erl_exit is not available to dll_drivers on windows. */
- void erl_exit(int, char *, ...);
-# define ASSERT(X) \
- do { \
- if (!(X)) { \
- erl_exit(1,"%s",#X); \
- } \
- } while(0)
-# else
-# include <assert.h>
-# define ASSERT(X) assert(X)
-# endif
+# include <assert.h>
+# define ASSERT(X) assert(X)
#else
# define ASSERT(X)
#endif
diff --git a/lib/runtime_tools/doc/src/dbg.xml b/lib/runtime_tools/doc/src/dbg.xml
index 1a11806211..2065627026 100644
--- a/lib/runtime_tools/doc/src/dbg.xml
+++ b/lib/runtime_tools/doc/src/dbg.xml
@@ -1030,9 +1030,9 @@ hello</pre>
<fsummary>Stop the <c>dbg</c>server and the tracing of all processes.</fsummary>
<desc>
<p>Stops the <c>dbg</c> server and clears all trace flags for
- all processes and all trace patterns for all functions. Also
+ all processes and all local trace patterns for all functions. Also
shuts down all trace clients and closes all trace ports.</p>
- <p>Note that no trace patterns are affected by this
+ <p>Note that no global trace patterns are affected by this
function.</p>
</desc>
</func>
@@ -1040,8 +1040,7 @@ hello</pre>
<name>stop_clear() -> ok</name>
<fsummary>Stop the <c>dbg</c>server and the tracing of all processes, and clears trace patterns.</fsummary>
<desc>
- <p>Same as stop/0, but also clears all trace patterns on local
- and global functions calls.</p>
+ <p>Same as stop/0, but also clears all trace patterns on global functions calls.</p>
</desc>
</func>
</funcs>
diff --git a/lib/runtime_tools/doc/src/notes.xml b/lib/runtime_tools/doc/src/notes.xml
index 71b244ec6b..24b589b928 100644
--- a/lib/runtime_tools/doc/src/notes.xml
+++ b/lib/runtime_tools/doc/src/notes.xml
@@ -32,6 +32,53 @@
<p>This document describes the changes made to the Runtime_Tools
application.</p>
+<section><title>Runtime_Tools 1.9.3</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p><c>dbg:trace_client()</c> now uses a read buffer to
+ speed up reading of trace files.</p>
+ <p>
+ Own Id: OTP-13279</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Runtime_Tools 1.9.2</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Clarified dbg:stop documentation</p>
+ <p>
+ Own Id: OTP-13078</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Runtime_Tools 1.9.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ The <c>trace_file_drv</c> did not handle <c>EINTR</c>
+ correct which caused it to fail when the runtime system
+ received a signal.</p>
+ <p>
+ Own Id: OTP-12890 Aux Id: seq12885 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Runtime_Tools 1.9</title>
<section><title>Improvements and New Features</title>
diff --git a/lib/runtime_tools/src/dbg.erl b/lib/runtime_tools/src/dbg.erl
index d2a7d734c1..6eea1a0917 100644
--- a/lib/runtime_tools/src/dbg.erl
+++ b/lib/runtime_tools/src/dbg.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -1269,13 +1269,15 @@ gen_reader(follow_file, Filename) ->
%% Opens a file and returns a reader (lazy list).
gen_reader_file(ReadFun, Filename) ->
- case file:open(Filename, [read, raw, binary]) of
+ case file:open(Filename, [read, raw, binary, read_ahead]) of
{ok, File} ->
mk_reader(ReadFun, File);
Error ->
exit({client_cannot_open, Error})
end.
+-dialyzer({no_improper_lists, mk_reader/2}).
+
%% Creates and returns a reader (lazy list).
mk_reader(ReadFun, Source) ->
fun() ->
@@ -1294,13 +1296,15 @@ mk_reader(ReadFun, Source) ->
mk_reader_wrap([]) ->
[];
mk_reader_wrap([Hd | _] = WrapFiles) ->
- case file:open(wrap_name(Hd), [read, raw, binary]) of
+ case file:open(wrap_name(Hd), [read, raw, binary, read_ahead]) of
{ok, File} ->
mk_reader_wrap(WrapFiles, File);
Error ->
exit({client_cannot_open, Error})
end.
+-dialyzer({no_improper_lists, mk_reader_wrap/2}).
+
mk_reader_wrap([_Hd | Tail] = WrapFiles, File) ->
fun() ->
case read_term(fun file_read/2, File) of
diff --git a/lib/runtime_tools/vsn.mk b/lib/runtime_tools/vsn.mk
index 3aadc46ab6..bfc8b84b91 100644
--- a/lib/runtime_tools/vsn.mk
+++ b/lib/runtime_tools/vsn.mk
@@ -1 +1 @@
-RUNTIME_TOOLS_VSN = 1.9
+RUNTIME_TOOLS_VSN = 1.9.3