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-rw-r--r--lib/os_mon/c_src/Makefile.in8
-rw-r--r--lib/os_mon/c_src/cpu_sup.c14
-rw-r--r--lib/os_mon/c_src/memsup.c39
-rw-r--r--lib/os_mon/c_src/win32sysinfo.c30
-rw-r--r--lib/os_mon/doc/src/Makefile18
-rw-r--r--lib/os_mon/doc/src/notes.xml19
-rw-r--r--lib/os_mon/mibs/Makefile16
-rw-r--r--lib/os_mon/src/Makefile10
-rw-r--r--lib/os_mon/src/cpu_sup.erl5
-rw-r--r--lib/os_mon/src/disksup.erl10
-rw-r--r--lib/os_mon/src/memsup.erl7
-rw-r--r--lib/os_mon/src/os_mon.erl20
-rw-r--r--lib/os_mon/src/os_mon_sysinfo.erl6
-rw-r--r--lib/os_mon/test/Makefile6
-rw-r--r--lib/os_mon/vsn.mk2
15 files changed, 123 insertions, 87 deletions
diff --git a/lib/os_mon/c_src/Makefile.in b/lib/os_mon/c_src/Makefile.in
index bac0413ece..45dc01e993 100644
--- a/lib/os_mon/c_src/Makefile.in
+++ b/lib/os_mon/c_src/Makefile.in
@@ -131,10 +131,10 @@ ifeq ($(findstring vxworks_simso,$(TARGET)),vxworks_simso)
release_spec:
else
release_spec: opt
- $(INSTALL_DIR) $(RELSYSDIR)/src
- $(INSTALL_DATA) $(C_FILES) $(RELSYSDIR)/src
- $(INSTALL_DIR) $(RELSYSDIR)/priv/bin
- $(INSTALL_PROGRAM) $(TARGET_FILES) $(RELSYSDIR)/priv/bin
+ $(INSTALL_DIR) "$(RELSYSDIR)/src"
+ $(INSTALL_DATA) $(C_FILES) "$(RELSYSDIR)/src"
+ $(INSTALL_DIR) "$(RELSYSDIR)/priv/bin"
+ $(INSTALL_PROGRAM) $(TARGET_FILES) "$(RELSYSDIR)/priv/bin"
endif
release_docs_spec:
diff --git a/lib/os_mon/c_src/cpu_sup.c b/lib/os_mon/c_src/cpu_sup.c
index 9c5f9a6aa5..a0432b3093 100644
--- a/lib/os_mon/c_src/cpu_sup.c
+++ b/lib/os_mon/c_src/cpu_sup.c
@@ -458,8 +458,18 @@ static void error(char* err_msg) {
* if we get error here we have trouble,
* silence unnecessary warnings
*/
- if(write(FD_ERR, err_msg, strlen(err_msg)));
- if(write(FD_ERR, "\n", 1));
+ char buffer[256] = "[os_mon] cpu supervisor port (cpu_sup): ";
+ int i = strlen(buffer), j = 0;
+ int n = strlen(err_msg);
+
+ while(i < 253 && j < n) {
+ buffer[i++] = err_msg[j++];
+ }
+ buffer[i++] = '\r';
+ buffer[i++] = '\n';
+
+ /* try to use one write only */
+ if(write(FD_ERR, buffer, i));
exit(-1);
}
diff --git a/lib/os_mon/c_src/memsup.c b/lib/os_mon/c_src/memsup.c
index 241e7718db..593a066f98 100644
--- a/lib/os_mon/c_src/memsup.c
+++ b/lib/os_mon/c_src/memsup.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2009. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2012. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -327,27 +327,27 @@ get_mem_procfs(memory_ext *me){
/* Total and free is NEEDED! */
bp = strstr(buffer, "MemTotal:");
- if (sscanf(bp, "MemTotal: %lu kB\n", &(me->total))) me->flag |= F_MEM_TOTAL;
+ if (bp != NULL && sscanf(bp, "MemTotal: %lu kB\n", &(me->total))) me->flag |= F_MEM_TOTAL;
bp = strstr(buffer, "MemFree:");
- if (sscanf(bp, "MemFree: %lu kB\n", &(me->free))) me->flag |= F_MEM_FREE;
+ if (bp != NULL && sscanf(bp, "MemFree: %lu kB\n", &(me->free))) me->flag |= F_MEM_FREE;
/* Extensions */
bp = strstr(buffer, "Buffers:");
- if (sscanf(bp, "Buffers: %lu kB\n", &(me->buffered))) me->flag |= F_MEM_BUFFERS;
+ if (bp != NULL && sscanf(bp, "Buffers: %lu kB\n", &(me->buffered))) me->flag |= F_MEM_BUFFERS;
bp = strstr(buffer, "Cached:");
- if (sscanf(bp, "Cached: %lu kB\n", &(me->cached))) me->flag |= F_MEM_CACHED;
+ if (bp != NULL && sscanf(bp, "Cached: %lu kB\n", &(me->cached))) me->flag |= F_MEM_CACHED;
/* Swap */
bp = strstr(buffer, "SwapTotal:");
- if (sscanf(bp, "SwapTotal: %lu kB\n", &(me->total_swap))) me->flag |= F_SWAP_TOTAL;
+ if (bp != NULL && sscanf(bp, "SwapTotal: %lu kB\n", &(me->total_swap))) me->flag |= F_SWAP_TOTAL;
bp = strstr(buffer, "SwapFree:");
- if (sscanf(bp, "SwapFree: %lu kB\n", &(me->free_swap))) me->flag |= F_SWAP_FREE;
+ if (bp != NULL && sscanf(bp, "SwapFree: %lu kB\n", &(me->free_swap))) me->flag |= F_SWAP_FREE;
me->pagesize = 1024; /* procfs defines its size in kB */
@@ -493,7 +493,7 @@ get_basic_mem(unsigned long *tot, unsigned long *used, unsigned long *pagesize){
#elif defined(__linux__) && !defined(_SC_AVPHYS_PAGES)
memory_ext me;
if (get_mem_procfs(&me) < 0) {
- print_error("ProcFS read error.");
+ print_error("ProcFS read error");
exit(1);
}
*tot = me.total;
@@ -582,7 +582,7 @@ message_loop(int erlin_fd)
* Wait for command from Erlang
*/
if ((res = read(erlin_fd, &cmdLen, 1)) < 0) {
- print_error("Error reading from Erlang.");
+ print_error("Error reading from Erlang");
return;
}
@@ -603,19 +603,19 @@ message_loop(int erlin_fd)
break;
case 0:
- print_error("Erlang has closed.");
+ print_error("Erlang has closed");
return;
default:
- print_error("Error reading from Erlang.");
+ print_error("Error reading from Erlang");
return;
} /* switch() */
} else { /* cmdLen != 1 */
- print_error("Invalid command length (%d) received.", cmdLen);
+ print_error("Invalid command length (%d) received", cmdLen);
return;
}
} else { /* Erlang end closed */
- print_error("Erlang has closed.");
+ print_error("Erlang has closed");
return;
}
}
@@ -641,15 +641,12 @@ static void
print_error(const char *format,...)
{
va_list args;
+ char buffer[256];
va_start(args, format);
- fprintf(stderr, "%s: ", program_name);
- vfprintf(stderr, format, args);
+ vsnprintf(buffer, 256, format, args);
va_end(args);
- fprintf(stderr, " \n");
+ /* try to use one write only */
+ fprintf(stderr, "[os_mon] memory supervisor port (memsup): %s\r\n", buffer);
+ fflush(stderr);
}
-
-
-
-
-
diff --git a/lib/os_mon/c_src/win32sysinfo.c b/lib/os_mon/c_src/win32sysinfo.c
index 2a155aae87..9d4587393f 100644
--- a/lib/os_mon/c_src/win32sysinfo.c
+++ b/lib/os_mon/c_src/win32sysinfo.c
@@ -89,6 +89,7 @@ typedef BOOL (WINAPI *tfpGetDiskFreeSpaceEx)(LPCTSTR, PULARGE_INTEGER,PULARGE_IN
static tfpGetDiskFreeSpaceEx fpGetDiskFreeSpaceEx;
+static void print_error(const char *msg);
static void
return_answer(char* value)
{
@@ -98,7 +99,7 @@ return_answer(char* value)
res = write(1,(char*) &bytes,1);
if (res != 1) {
- fprintf(stderr,"win32sysinfo:Error writing to pipe");
+ print_error("Error writing to pipe");
exit(1);
}
@@ -107,9 +108,8 @@ return_answer(char* value)
while (left > 0)
{
res = write(1, value+bytes-left, left);
- if (res <= 0)
- {
- fprintf(stderr,"win32sysinfo:Error writing to pipe");
+ if (res <= 0) {
+ print_error("Error writing to pipe");
exit(1);
}
left -= res;
@@ -248,7 +248,6 @@ message_loop()
char cmd[512];
int res;
- fprintf(stderr,"in message_loop\n");
/* Startup ACK. */
return_answer(OK);
while (1)
@@ -257,12 +256,12 @@ message_loop()
* Wait for command from Erlang
*/
if ((res = read(0, &cmdLen, 1)) < 0) {
- fprintf(stderr,"win32sysinfo:Error reading from Erlang.");
+ print_error("Error reading from Erlang");
return;
}
if (res != 1){ /* Exactly one byte read ? */
- fprintf(stderr,"win32sysinfo:Erlang has closed.");
+ print_error("Erlang has closed");
return;
}
if ((res = read(0, &cmd, cmdLen)) == cmdLen){
@@ -291,11 +290,11 @@ message_loop()
return_answer("xEND");
}
else if (res == 0) {
- fprintf(stderr,"win32sysinfo:Erlang has closed.");
+ print_error("Erlang has closed");
return;
}
else {
- fprintf(stderr,"win32sysinfo:Error reading from Erlang.");
+ print_error("Error reading from Erlang");
return;
}
}
@@ -309,10 +308,9 @@ int main(int argc, char ** argv){
message_loop();
return 0;
}
-
-
-
-
-
-
-
+static void
+print_error(const char *msg) {
+ /* try to use one write only */
+ fprintf(stderr, "[os_mon] win32 supervisor port (win32sysinfo): %s\r\n", msg);
+ fflush(stderr);
+}
diff --git a/lib/os_mon/doc/src/Makefile b/lib/os_mon/doc/src/Makefile
index c9765749c9..aa8fb4b60c 100644
--- a/lib/os_mon/doc/src/Makefile
+++ b/lib/os_mon/doc/src/Makefile
@@ -109,16 +109,16 @@ clean clean_docs:
include $(ERL_TOP)/make/otp_release_targets.mk
release_docs_spec: docs
- $(INSTALL_DIR) $(RELSYSDIR)/doc/pdf
- $(INSTALL_DATA) $(TOP_PDF_FILE) $(RELSYSDIR)/doc/pdf
- $(INSTALL_DIR) $(RELSYSDIR)/doc/html
+ $(INSTALL_DIR) "$(RELSYSDIR)/doc/pdf"
+ $(INSTALL_DATA) $(TOP_PDF_FILE) "$(RELSYSDIR)/doc/pdf"
+ $(INSTALL_DIR) "$(RELSYSDIR)/doc/html"
$(INSTALL_DATA) $(HTMLDIR)/* \
- $(RELSYSDIR)/doc/html
- $(INSTALL_DATA) $(INFO_FILE) $(RELSYSDIR)
- $(INSTALL_DIR) $(RELEASE_PATH)/man/man3
- $(INSTALL_DATA) $(MAN3DIR)/* $(RELEASE_PATH)/man/man3
- $(INSTALL_DIR) $(RELEASE_PATH)/man/man6
- $(INSTALL_DATA) $(MAN6DIR)/* $(RELEASE_PATH)/man/man6
+ "$(RELSYSDIR)/doc/html"
+ $(INSTALL_DATA) $(INFO_FILE) "$(RELSYSDIR)"
+ $(INSTALL_DIR) "$(RELEASE_PATH)/man/man3"
+ $(INSTALL_DATA) $(MAN3DIR)/* "$(RELEASE_PATH)/man/man3"
+ $(INSTALL_DIR) "$(RELEASE_PATH)/man/man6"
+ $(INSTALL_DATA) $(MAN6DIR)/* "$(RELEASE_PATH)/man/man6"
release_spec:
diff --git a/lib/os_mon/doc/src/notes.xml b/lib/os_mon/doc/src/notes.xml
index b459e31fa5..6674d7b722 100644
--- a/lib/os_mon/doc/src/notes.xml
+++ b/lib/os_mon/doc/src/notes.xml
@@ -30,6 +30,25 @@
</header>
<p>This document describes the changes made to the OS_Mon application.</p>
+<section><title>Os_Mon 2.2.9</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix segmentation fault in memsup</p>
+ <p>
+ when /proc/meminfo does not include information about
+ buffers/cache (for instance inside OpenVZ container)
+ (Thanks to Anton Vorobev)</p>
+ <p>
+ Own Id: OTP-9913</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Os_Mon 2.2.8</title>
<section><title>Improvements and New Features</title>
diff --git a/lib/os_mon/mibs/Makefile b/lib/os_mon/mibs/Makefile
index 655190edf4..a6d8ab5042 100644
--- a/lib/os_mon/mibs/Makefile
+++ b/lib/os_mon/mibs/Makefile
@@ -88,13 +88,13 @@ $(SNMP_BIN_TARGET_DIR)/OTP-OS-MON-MIB.bin: \
include $(ERL_TOP)/make/otp_release_targets.mk
release_spec: opt
- $(INSTALL_DIR) $(RELSYSDIR)/mibs
- $(INSTALL_DIR) $(RELSYSDIR)/mibs/v1
- $(INSTALL_DATA) $(MIB_FILES) $(FUNCS_FILES) $(RELSYSDIR)/mibs
- $(INSTALL_DATA) $(V1_MIB_FILES) $(RELSYSDIR)/mibs/v1
- $(INSTALL_DIR) $(RELSYSDIR)/include
- $(INSTALL_DATA) $(HRL_TARGETS) $(RELSYSDIR)/include
- $(INSTALL_DIR) $(RELSYSDIR)/priv/mibs
- $(INSTALL_DATA) $(BIN_TARGETS) $(RELSYSDIR)/priv/mibs
+ $(INSTALL_DIR) "$(RELSYSDIR)/mibs"
+ $(INSTALL_DIR) "$(RELSYSDIR)/mibs/v1"
+ $(INSTALL_DATA) $(MIB_FILES) $(FUNCS_FILES) "$(RELSYSDIR)/mibs"
+ $(INSTALL_DATA) $(V1_MIB_FILES) "$(RELSYSDIR)/mibs/v1"
+ $(INSTALL_DIR) "$(RELSYSDIR)/include"
+ $(INSTALL_DATA) $(HRL_TARGETS) "$(RELSYSDIR)/include"
+ $(INSTALL_DIR) "$(RELSYSDIR)/priv/mibs"
+ $(INSTALL_DATA) $(BIN_TARGETS) "$(RELSYSDIR)/priv/mibs"
release_docs_spec:
diff --git a/lib/os_mon/src/Makefile b/lib/os_mon/src/Makefile
index 9a75446a89..a8ad26f6a1 100644
--- a/lib/os_mon/src/Makefile
+++ b/lib/os_mon/src/Makefile
@@ -94,11 +94,11 @@ $(EBIN)/memsup.$(EMULATOR): $(MEMSUP_HRL)
include $(ERL_TOP)/make/otp_release_targets.mk
release_spec: opt
- $(INSTALL_DIR) $(RELSYSDIR)/src
- $(INSTALL_DATA) $(ERL_FILES) $(RELSYSDIR)/src
- $(INSTALL_DATA) $(HRL_FILES) $(RELSYSDIR)/src
- $(INSTALL_DIR) $(RELSYSDIR)/ebin
- $(INSTALL_DATA) $(TARGET_FILES) $(RELSYSDIR)/ebin
+ $(INSTALL_DIR) "$(RELSYSDIR)/src"
+ $(INSTALL_DATA) $(ERL_FILES) "$(RELSYSDIR)/src"
+ $(INSTALL_DATA) $(HRL_FILES) "$(RELSYSDIR)/src"
+ $(INSTALL_DIR) "$(RELSYSDIR)/ebin"
+ $(INSTALL_DATA) $(TARGET_FILES) "$(RELSYSDIR)/ebin"
release_docs_spec:
diff --git a/lib/os_mon/src/cpu_sup.erl b/lib/os_mon/src/cpu_sup.erl
index e414e2c10b..34251178ee 100644
--- a/lib/os_mon/src/cpu_sup.erl
+++ b/lib/os_mon/src/cpu_sup.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -764,8 +764,7 @@ port_receive_cpu_util_entries(_, _, Data) ->
exit({data_mismatch, Data}).
start_portprogram() ->
- Command = filename:join([code:priv_dir(os_mon), "bin", "cpu_sup"]),
- Port = open_port({spawn, Command}, [stream]),
+ Port = os_mon:open_port("cpu_sup", [stream]),
port_command(Port, ?ping),
4711 = port_receive_uint32(Port, 5000),
Port.
diff --git a/lib/os_mon/src/disksup.erl b/lib/os_mon/src/disksup.erl
index 308cd1b7fa..c7abb7a386 100644
--- a/lib/os_mon/src/disksup.erl
+++ b/lib/os_mon/src/disksup.erl
@@ -43,24 +43,24 @@ start_link() ->
gen_server:start_link({local, disksup}, disksup, [], []).
get_disk_data() ->
- os_mon:call(disksup, get_disk_data).
+ os_mon:call(disksup, get_disk_data, infinity).
get_check_interval() ->
- os_mon:call(disksup, get_check_interval).
+ os_mon:call(disksup, get_check_interval, infinity).
set_check_interval(Minutes) ->
case param_type(disk_space_check_interval, Minutes) of
true ->
- os_mon:call(disksup, {set_check_interval, Minutes});
+ os_mon:call(disksup, {set_check_interval, Minutes}, infinity);
false ->
erlang:error(badarg)
end.
get_almost_full_threshold() ->
- os_mon:call(disksup, get_almost_full_threshold).
+ os_mon:call(disksup, get_almost_full_threshold, infinity).
set_almost_full_threshold(Float) ->
case param_type(disk_almost_full_threshold, Float) of
true ->
- os_mon:call(disksup, {set_almost_full_threshold, Float});
+ os_mon:call(disksup, {set_almost_full_threshold, Float}, infinity);
false ->
erlang:error(badarg)
end.
diff --git a/lib/os_mon/src/memsup.erl b/lib/os_mon/src/memsup.erl
index ba07a529bc..54771b4703 100644
--- a/lib/os_mon/src/memsup.erl
+++ b/lib/os_mon/src/memsup.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -112,7 +112,7 @@ get_helper_timeout() ->
set_helper_timeout(Seconds) ->
case param_type(memsup_helper_timeout, Seconds) of
true ->
- os_mon:call(memsup, {set_helper_timeout, Seconds});
+ os_mon:call(memsup, {set_helper_timeout, Seconds}, infinity);
false ->
erlang:error(badarg)
end.
@@ -802,8 +802,7 @@ port_init() ->
port_idle(Port).
start_portprogram() ->
- Command = filename:join([code:priv_dir(os_mon), "bin", "memsup"]),
- open_port({spawn, Command}, [{packet, 1}]).
+ os_mon:open_port("memsup",[{packet,1}]).
%% The connected process loops are a bit awkward (several different
%% functions doing almost the same thing) as
diff --git a/lib/os_mon/src/os_mon.erl b/lib/os_mon/src/os_mon.erl
index ef368571db..2b6cd7c498 100644
--- a/lib/os_mon/src/os_mon.erl
+++ b/lib/os_mon/src/os_mon.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -22,7 +22,7 @@
-behaviour(supervisor).
%% API
--export([call/2, call/3, get_env/2]).
+-export([call/2, call/3, get_env/2, open_port/2]).
%% Application callbacks
-export([start/2, stop/1]).
@@ -79,6 +79,22 @@ get_env(Service, Param) ->
Service:param_default(Param)
end.
+open_port(Name, Opts) ->
+ PrivDir = code:priv_dir(os_mon),
+ ReleasedPath = filename:join([PrivDir,"bin",Name]),
+ %% Check os_mon*/priv/bin/Name
+ case filelib:is_regular(ReleasedPath) of
+ true ->
+ erlang:open_port({spawn, "\""++ReleasedPath++"\""}, Opts);
+ false ->
+ %% Use os_mon*/priv/bin/Arch/Name
+ ArchPath =
+ filename:join(
+ [PrivDir,"bin",erlang:system_info(system_architecture),Name]),
+ erlang:open_port({spawn, "\""++ArchPath++"\""}, Opts)
+ end.
+
+
%%%-----------------------------------------------------------------
%%% Application callbacks
%%%-----------------------------------------------------------------
diff --git a/lib/os_mon/src/os_mon_sysinfo.erl b/lib/os_mon/src/os_mon_sysinfo.erl
index 5d12bd95d1..fb732d1e3a 100644
--- a/lib/os_mon/src/os_mon_sysinfo.erl
+++ b/lib/os_mon/src/os_mon_sysinfo.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -108,9 +108,7 @@ code_change(_OldVsn, State, _Extra) ->
%%----------------------------------------------------------------------
start_portprogram() ->
- Command =
- filename:join([code:priv_dir(os_mon),"bin","win32sysinfo.exe"]),
- Port = open_port({spawn,Command}, [{packet,1}]),
+ Port = os_mon:open_port("win32sysinfo.exe", [{packet,1}]),
receive
{Port, {data, [?OK]}} ->
Port;
diff --git a/lib/os_mon/test/Makefile b/lib/os_mon/test/Makefile
index a240640f92..954cfef7fb 100644
--- a/lib/os_mon/test/Makefile
+++ b/lib/os_mon/test/Makefile
@@ -84,9 +84,9 @@ include $(ERL_TOP)/make/otp_release_targets.mk
release_spec:
release_tests_spec: make_emakefile
- $(INSTALL_DIR) $(RELSYSDIR)
- $(INSTALL_DATA) os_mon.spec os_mon.cover $(EMAKEFILE) $(SOURCE) $(RELSYSDIR)
+ $(INSTALL_DIR) "$(RELSYSDIR)"
+ $(INSTALL_DATA) os_mon.spec os_mon.cover $(EMAKEFILE) $(SOURCE) "$(RELSYSDIR)"
-## tar chf - *_SUITE_data | (cd $(RELSYSDIR); tar xf -)
+## tar chf - *_SUITE_data | (cd "$(RELSYSDIR)"; tar xf -)
release_docs_spec:
diff --git a/lib/os_mon/vsn.mk b/lib/os_mon/vsn.mk
index 89dfa59dd9..b92bdf3c1a 100644
--- a/lib/os_mon/vsn.mk
+++ b/lib/os_mon/vsn.mk
@@ -1 +1 @@
-OS_MON_VSN = 2.2.8
+OS_MON_VSN = 2.2.9