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-rw-r--r--erts/doc/src/erlsrv.xml17
-rw-r--r--erts/doc/src/start_erl.xml29
-rw-r--r--erts/emulator/beam/erl_db.c10
-rw-r--r--erts/emulator/beam/erl_init.c4
-rw-r--r--erts/emulator/beam/erl_threads.h15
-rwxr-xr-xerts/emulator/drivers/win32/win_efile.c6
-rw-r--r--erts/emulator/sys/unix/sys.c4
-rw-r--r--erts/emulator/sys/win32/sys.c3
-rw-r--r--erts/etc/win32/erlsrv/erlsrv_interactive.c189
-rw-r--r--erts/etc/win32/erlsrv/erlsrv_interactive.h2
-rw-r--r--erts/etc/win32/start_erl.c159
-rw-r--r--erts/lib_src/common/erl_printf.c12
-rw-r--r--lib/compiler/src/sys_pre_expand.erl6
-rw-r--r--lib/crypto/doc/src/crypto.xml2
-rw-r--r--lib/crypto/src/crypto.erl11
-rw-r--r--lib/crypto/test/crypto_SUITE.erl11
-rw-r--r--lib/gs/contribs/bonk/sounder.erl18
-rw-r--r--lib/gs/contribs/cols/cols.erl4
-rw-r--r--lib/gs/contribs/mandel/mandel.erl2
-rw-r--r--lib/gs/contribs/othello/othello_board.erl4
-rw-r--r--lib/gs/examples/calc2.erl2
-rw-r--r--lib/hipe/cerl/erl_bif_types.erl19
-rw-r--r--lib/kernel/doc/src/inet.xml10
-rw-r--r--lib/mnesia/src/Makefile4
-rw-r--r--lib/mnesia/src/mnesia_controller.erl47
-rw-r--r--lib/mnesia/src/mnesia_dumper.erl7
-rw-r--r--lib/mnesia/src/mnesia_loader.erl244
-rw-r--r--lib/mnesia/src/mnesia_monitor.erl84
-rw-r--r--lib/mnesia/src/mnesia_schema.erl505
-rw-r--r--lib/os_mon/c_src/cpu_sup.c19
-rw-r--r--lib/ssl/src/ssl_connection.erl7
-rw-r--r--lib/ssl/test/ssl_packet_SUITE.erl302
-rw-r--r--lib/stdlib/doc/src/ets.xml3
-rw-r--r--lib/stdlib/test/ets_SUITE.erl38
34 files changed, 1171 insertions, 628 deletions
diff --git a/erts/doc/src/erlsrv.xml b/erts/doc/src/erlsrv.xml
index 0dfad2a112..919caa9542 100644
--- a/erts/doc/src/erlsrv.xml
+++ b/erts/doc/src/erlsrv.xml
@@ -273,7 +273,7 @@
</desc>
</func>
<func>
- <name>erlsrv {start | stop | disable | enable} &lt;service-name></name>
+ <name>erlsrv {start | start_disabled | stop | disable | enable} &lt;service-name></name>
<fsummary>Manipulate the current service status.</fsummary>
<desc>
<p>These commands are only added for convenience, the normal
@@ -287,6 +287,21 @@
service actually is stopped. Enabling a service sets it in
automatic mode, that is started at boot. This command cannot
set the service to manual. </p>
+
+ <p>The <c>start_disabled</c> command operates on a service
+ regardless of if it's enabled/disabled or started/stopped. It
+ does this by first enabling it (regardless of if it's enabled
+ or not), then starting it (if it's not already started) and
+ then disabling it. The result will be a disabled but started
+ service, regardless of its earlier state. This is useful for
+ starting services temporarily during a release upgrade. The
+ difference between using <c>start_disabled</c> and the
+ sequence <c>enable</c>, <c>start</c> and <c>disable</c> is
+ that all other <c>erlsrv</c> commands are locked out during
+ the sequence of operations in <c>start_disable</c>, making the
+ operation atomic from an <c>erlsrv</c> user's point of
+ view.</p>
+
</desc>
</func>
<func>
diff --git a/erts/doc/src/start_erl.xml b/erts/doc/src/start_erl.xml
index 21cc901f52..6f6930af7e 100644
--- a/erts/doc/src/start_erl.xml
+++ b/erts/doc/src/start_erl.xml
@@ -69,12 +69,29 @@
<c><![CDATA[erl]]></c> program. Everything <em>after</em><c><![CDATA[++]]></c> is
interpreted as options to <c><![CDATA[start_erl]]></c> itself.</item>
<tag>-reldir &lt;release root&gt;</tag>
- <item>Mandatory if the environment variable <c><![CDATA[RELDIR]]></c> is not
- specified. Tells start_erl where the root of the
- release tree is placed in the file-system
- (like &lt;Erlang root&gt;\\releases). The
- <c><![CDATA[start_erl.data]]></c> file is expected to be placed in
- this directory (if not otherwise specified).</item>
+
+ <item>Mandatory if the environment variable
+ <c><![CDATA[RELDIR]]></c> is not specified and no
+ <c>-rootdir</c> option is given. Tells start_erl where the
+ root of the release tree is placed in the file-system (typically
+ &lt;Erlang root&gt;\\releases). The
+ <c><![CDATA[start_erl.data]]></c> file is expected to be
+ placed in this directory (if not otherwise specified). If
+ only the <c>-rootdir</c> option is given, the directory is
+ assumed to be &lt;Erlang root&gt;\\releases.</item>
+
+ <tag>-rootdir &lt;Erlang root directory&gt;</tag>
+
+ <item>Mandatory if <c>-reldir</c> is not given and there is
+ no <c><![CDATA[RELDIR]]></c> in the environment. This
+ specifies the Erlang installation root directory (under
+ which the <c>lib</c>, <c>releases</c> and
+ <c>erts-&lt;Version&gt;</c> directories are placed). If only
+ <c>-reldir</c> (or the environment variable
+ <c><![CDATA[RELDIR]]></c>) is given, the Erlang root is assumed to
+ be the directory exactly one level above the release
+ directory.</item>
+
<tag>-data &lt;data file name&gt;</tag>
<item>Optional, specifies another data file than start_erl.data
in the &lt;release root&gt;. It is specified relative to the
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index eb50f56502..e9bdeb35ef 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.c
@@ -3658,9 +3658,6 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What)
ret = am_true;
else
ret = am_false;
- } else if (What == am_atom_put("kept_objects",12)) {
- ret = make_small(IS_HASH_TABLE(tb->common.status)
- ? db_kept_items_hash(&tb->hash) : 0);
} else if (What == am_atom_put("safe_fixed",10)) {
#ifdef ERTS_SMP
erts_smp_mtx_lock(&tb->common.fixlock);
@@ -3702,7 +3699,7 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What)
Eterm* hp;
db_calc_stats_hash(&tb->hash, &stats);
- hp = HAlloc(p, 1 + 6 + FLOAT_SIZE_OBJECT*3);
+ hp = HAlloc(p, 1 + 7 + FLOAT_SIZE_OBJECT*3);
f.fd = stats.avg_chain_len;
avg = make_float(hp);
PUT_DOUBLE(f, hp);
@@ -3717,10 +3714,11 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What)
std_dev_exp = make_float(hp);
PUT_DOUBLE(f, hp);
hp += FLOAT_SIZE_OBJECT;
- ret = TUPLE6(hp, make_small(erts_smp_atomic_read(&tb->hash.nactive)),
+ ret = TUPLE7(hp, make_small(erts_smp_atomic_read(&tb->hash.nactive)),
avg, std_dev_real, std_dev_exp,
make_small(stats.min_chain_len),
- make_small(stats.max_chain_len));
+ make_small(stats.max_chain_len),
+ make_small(db_kept_items_hash(&tb->hash)));
}
else {
ret = am_false;
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 0a57eb6d88..0173fd40f6 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -803,10 +803,12 @@ early_init(int *argc, char **argv) /*
#if defined(HIPE)
hipe_signal_init(); /* must be done very early */
#endif
- erl_sys_init();
erl_sys_args(argc, argv);
+ /* Creates threads on Windows that depend on the arguments, so has to be after erl_sys_args */
+ erl_sys_init();
+
erts_ets_realloc_always_moves = 0;
erts_ets_always_compress = 0;
erts_dist_buf_busy_limit = ERTS_DE_BUSY_LIMIT;
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index 8c9cace0c5..a0eda61ba5 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -571,8 +571,9 @@ erts_mtx_destroy(erts_mtx_t *mtx)
"Most likely a bug in pthread implementation.";
erts_send_warning_to_logger_str_nogl(warn);
}
+ else
#endif
- erts_thr_fatal_error(res, "destroy mutex");
+ erts_thr_fatal_error(res, "destroy mutex");
}
#endif
}
@@ -675,8 +676,9 @@ erts_cnd_destroy(erts_cnd_t *cnd)
"Most likely a bug in pthread implementation.";
erts_send_warning_to_logger_str_nogl(warn);
}
+ else
#endif
- erts_thr_fatal_error(res, "destroy condition variable");
+ erts_thr_fatal_error(res, "destroy condition variable");
}
#endif
}
@@ -810,8 +812,9 @@ erts_rwmtx_destroy(erts_rwmtx_t *rwmtx)
"Most likely a bug in pthread implementation.";
erts_send_warning_to_logger_str_nogl(warn);
}
+ else
#endif
- erts_thr_fatal_error(res, "destroy rwmutex");
+ erts_thr_fatal_error(res, "destroy rwmutex");
}
#endif
}
@@ -1496,8 +1499,9 @@ erts_spinlock_destroy(erts_spinlock_t *lock)
"Most likely a bug in pthread implementation.";
erts_send_warning_to_logger_str_nogl(warn);
}
+ else
#endif
- erts_thr_fatal_error(res, "destroy rwlock");
+ erts_thr_fatal_error(res, "destroy rwlock");
}
#else
(void)lock;
@@ -1614,8 +1618,9 @@ erts_rwlock_destroy(erts_rwlock_t *lock)
"Most likely a bug in pthread implementation.";
erts_send_warning_to_logger_str_nogl(warn);
}
+ else
#endif
- erts_thr_fatal_error(res, "destroy rwlock");
+ erts_thr_fatal_error(res, "destroy rwlock");
}
#else
(void)lock;
diff --git a/erts/emulator/drivers/win32/win_efile.c b/erts/emulator/drivers/win32/win_efile.c
index 3d59564f7b..931bb196f1 100755
--- a/erts/emulator/drivers/win32/win_efile.c
+++ b/erts/emulator/drivers/win32/win_efile.c
@@ -127,6 +127,8 @@ static int errno_map(DWORD last_error) {
return EBUSY;
case ERROR_NO_PROC_SLOTS:
return EAGAIN;
+ case ERROR_CANT_RESOLVE_FILENAME:
+ return EMLINK;
case ERROR_ARENA_TRASHED:
case ERROR_INVALID_BLOCK:
case ERROR_BAD_ENVIRONMENT:
@@ -1405,7 +1407,7 @@ efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size)
DWORD fileAttributes = GetFileAttributesW(wname);
if ((fileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
BOOLEAN success = 0;
- HANDLE h = CreateFileW(wname, GENERIC_READ, 0,NULL, OPEN_EXISTING, 0, NULL);
+ HANDLE h = CreateFileW(wname, GENERIC_READ, 0,NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
int len;
if(h != INVALID_HANDLE_VALUE) {
success = pGetFinalPathNameByHandle(h, wbuffer, size,0);
@@ -1421,7 +1423,7 @@ efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size)
if (*wbuffer == L'\\')
*wbuffer = L'/';
CloseHandle(h);
- }
+ }
FreeLibrary(hModule);
if (success) {
return 1;
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index bafbbb0f6c..e5ee0df7fa 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -527,7 +527,6 @@ erts_sys_pre_init(void)
void
erl_sys_init(void)
{
- erts_smp_rwmtx_init(&environ_rwmtx, "environ");
#if !DISABLE_VFORK
{
int res;
@@ -3090,6 +3089,8 @@ erl_sys_args(int* argc, char** argv)
{
int i, j;
+ erts_smp_rwmtx_init(&environ_rwmtx, "environ");
+
i = 1;
ASSERT(argc && argv);
@@ -3151,4 +3152,5 @@ erl_sys_args(int* argc, char** argv)
argv[j++] = argv[i];
}
*argc = j;
+
}
diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c
index a2159d063c..76db355a9c 100644
--- a/erts/emulator/sys/win32/sys.c
+++ b/erts/emulator/sys/win32/sys.c
@@ -3282,6 +3282,7 @@ erts_sys_pre_init(void)
}
#endif
erts_smp_atomic_init(&sys_misc_mem_sz, 0);
+ erts_sys_env_init();
}
void noinherit_std_handle(DWORD type)
@@ -3297,8 +3298,6 @@ void erl_sys_init(void)
{
HANDLE handle;
- erts_sys_env_init();
-
noinherit_std_handle(STD_OUTPUT_HANDLE);
noinherit_std_handle(STD_INPUT_HANDLE);
noinherit_std_handle(STD_ERROR_HANDLE);
diff --git a/erts/etc/win32/erlsrv/erlsrv_interactive.c b/erts/etc/win32/erlsrv/erlsrv_interactive.c
index 13e029b364..4c990a694d 100644
--- a/erts/etc/win32/erlsrv/erlsrv_interactive.c
+++ b/erts/etc/win32/erlsrv/erlsrv_interactive.c
@@ -135,7 +135,12 @@ void print_last_error(void){
fprintf(stderr,"Error: %s",mes);
LocalFree(mes);
}
-
+
+static int get_last_error(void)
+{
+ return (last_error) ? last_error : GetLastError();
+}
+
static BOOL install_service(void){
SC_HANDLE scm;
SC_HANDLE service;
@@ -508,7 +513,7 @@ int do_usage(char *arg0){
"\t[{-sn[ame] | -n[ame]} [<nodename>]]\n"
"\t[-d[ebugtype] [{new|reuse|console}]]\n"
"\t[-ar[gs] [<limited erl arguments>]]\n\n"
- "%s {start | stop | disable | enable} <servicename>\n\n"
+ "%s {start | start_disabled | stop | disable | enable} <servicename>\n\n"
"%s remove <servicename>\n\n"
"%s rename <servicename> <servicename>\n\n"
"%s list [<servicename>]\n\n"
@@ -561,6 +566,45 @@ int do_manage(int argc,char **argv){
return 0;
}
}
+ if(!_stricmp(action,"start_disabled")){
+ if(!enable_service()){
+ fprintf(stderr,"%s: Failed to enable service %s.\n",
+ argv[0],service_name);
+ print_last_error();
+ return 1;
+ }
+ if(!start_service() && get_last_error() != ERROR_SERVICE_ALREADY_RUNNING){
+ fprintf(stderr,"%s: Failed to start service %s.\n",
+ argv[0],service_name);
+ print_last_error();
+ goto failure_starting;
+ }
+
+ if(!wait_service_trans(SERVICE_STOPPED, SERVICE_START_PENDING,
+ SERVICE_RUNNING, 60)){
+ fprintf(stderr,"%s: Failed to start service %s.\n",
+ argv[0],service_name);
+ print_last_error();
+ goto failure_starting;
+ }
+
+ if(!disable_service()){
+ fprintf(stderr,"%s: Failed to disable service %s.\n",
+ argv[0],service_name);
+ print_last_error();
+ return 1;
+ }
+ printf("%s: Service %s started.\n",
+ argv[0],service_name);
+ return 0;
+ failure_starting:
+ if(!disable_service()){
+ fprintf(stderr,"%s: Failed to disable service %s.\n",
+ argv[0],service_name);
+ print_last_error();
+ }
+ return 1;
+ }
if(!_stricmp(action,"stop")){
if(!stop_service()){
fprintf(stderr,"%s: Failed to stop service %s.\n",
@@ -841,6 +885,7 @@ int do_add_or_set(int argc, char **argv){
argv[0], service_name);
return 0;
}
+
int do_rename(int argc, char **argv){
RegEntry *current = empty_reg_tab();
RegEntry *dummy = empty_reg_tab();
@@ -1129,35 +1174,131 @@ void read_arguments(int *pargc, char ***pargv){
*pargc = argc;
*pargv = argv;
}
+
+/* Create a free-for-all ACL to set on the semaphore */
+PACL get_acl(PSECURITY_DESCRIPTOR secdescp)
+{
+ DWORD acl_length = 0;
+ PSID auth_users_sidp = NULL;
+ PACL aclp = NULL;
+ SID_IDENTIFIER_AUTHORITY ntauth = SECURITY_NT_AUTHORITY;
+
+ if(!InitializeSecurityDescriptor(secdescp, SECURITY_DESCRIPTOR_REVISION)) {
+ return NULL;
+ }
+
+ if(!AllocateAndInitializeSid(&ntauth,
+ 1,
+ SECURITY_AUTHENTICATED_USER_RID,
+ 0, 0, 0, 0, 0, 0, 0,
+ &auth_users_sidp)) {
+ return NULL;
+ }
+
+ acl_length = sizeof(ACL) +
+ sizeof(ACCESS_ALLOWED_ACE) - sizeof(DWORD) +
+ GetLengthSid(auth_users_sidp);
+
+ if((aclp = (PACL) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, acl_length)) == NULL) {
+ FreeSid(auth_users_sidp);
+ return NULL;
+ }
+
+ if(!InitializeAcl(aclp, acl_length, ACL_REVISION)) {
+ FreeSid(auth_users_sidp);
+ HeapFree(GetProcessHeap(), 0, aclp);
+ return NULL;
+ }
+
+ if(!AddAccessAllowedAce(aclp, ACL_REVISION, SEMAPHORE_ALL_ACCESS, auth_users_sidp)) {
+ FreeSid(auth_users_sidp);
+ HeapFree(GetProcessHeap(), 0, aclp);
+ return NULL;
+ }
+
+ if(!SetSecurityDescriptorDacl(secdescp, TRUE, aclp, FALSE)) {
+ FreeSid(auth_users_sidp);
+ HeapFree(GetProcessHeap(), 0, aclp);
+ return NULL;
+ }
+ return aclp;
+}
+
+static HANDLE lock_semaphore = NULL;
+
+int take_lock(void) {
+ SECURITY_ATTRIBUTES attr;
+ PACL aclp;
+ SECURITY_DESCRIPTOR secdesc;
+
+ if ((aclp = get_acl(&secdesc)) == NULL) {
+ return -1;
+ }
+
+ memset(&attr,0,sizeof(attr));
+ attr.nLength = sizeof(attr);
+ attr.lpSecurityDescriptor = &secdesc;
+ attr.bInheritHandle = FALSE;
+
+ if ((lock_semaphore = CreateSemaphore(&attr, 1, 1, ERLSRV_INTERACTIVE_GLOBAL_SEMAPHORE)) == NULL) {
+ return -1;
+ }
+
+ if (WaitForSingleObject(lock_semaphore,INFINITE) != WAIT_OBJECT_0) {
+ return -1;
+ }
+
+ HeapFree(GetProcessHeap(), 0, aclp);
+ return 0;
+}
+
+void release_lock(void) {
+ ReleaseSemaphore(lock_semaphore,1,NULL);
+}
+
int interactive_main(int argc, char **argv){
char *action = argv[1];
-
+ int res;
+
+ if (take_lock() != 0) {
+ fprintf(stderr,"%s: unable to acquire global lock (%s).\n",argv[0],
+ ERLSRV_INTERACTIVE_GLOBAL_SEMAPHORE);
+ return 1;
+ }
+
if(!_stricmp(action,"readargs")){
- read_arguments(&argc,&argv);
- action = argv[1];
+ read_arguments(&argc,&argv);
+ action = argv[1];
}
if(!_stricmp(action,"set") || !_stricmp(action,"add"))
- return do_add_or_set(argc,argv);
- if(!_stricmp(action,"rename"))
- return do_rename(argc,argv);
- if(!_stricmp(action,"remove"))
- return do_remove(argc,argv);
- if(!_stricmp(action,"list"))
- return do_list(argc,argv);
- if(!_stricmp(action,"start") ||
- !_stricmp(action,"stop") ||
- !_stricmp(action,"enable") ||
- !_stricmp(action,"disable"))
- return do_manage(argc,argv);
- if(_stricmp(action,"?") &&
- _stricmp(action,"/?") &&
- _stricmp(action,"-?") &&
- *action != 'h' &&
- *action != 'H')
+ res = do_add_or_set(argc,argv);
+ else if(!_stricmp(action,"rename"))
+ res = do_rename(argc,argv);
+ else if(!_stricmp(action,"remove"))
+ res = do_remove(argc,argv);
+ else if(!_stricmp(action,"list"))
+ res = do_list(argc,argv);
+ else if(!_stricmp(action,"start") ||
+ !_stricmp(action,"start_disabled") ||
+ !_stricmp(action,"stop") ||
+ !_stricmp(action,"enable") ||
+ !_stricmp(action,"disable"))
+ res = do_manage(argc,argv);
+ else if(_stricmp(action,"?") &&
+ _stricmp(action,"/?") &&
+ _stricmp(action,"-?") &&
+ *action != 'h' &&
+ *action != 'H') {
fprintf(stderr,"%s: action %s not implemented.\n",argv[0],action);
- do_usage(argv[0]);
- return 1;
+ do_usage(argv[0]);
+ res = 1;
+ } else {
+ do_usage(argv[0]);
+ res = 0;
+ }
+ release_lock();
+ return res;
}
diff --git a/erts/etc/win32/erlsrv/erlsrv_interactive.h b/erts/etc/win32/erlsrv/erlsrv_interactive.h
index deacf81899..602da24575 100644
--- a/erts/etc/win32/erlsrv/erlsrv_interactive.h
+++ b/erts/etc/win32/erlsrv/erlsrv_interactive.h
@@ -19,6 +19,8 @@
#ifndef _ERLSRV_INTERACTIVE_H
#define _ERLSRV_INTERACTIVE_H
+#define ERLSRV_INTERACTIVE_GLOBAL_SEMAPHORE "{468d6954-e355-415f-968f-d257cb0feef4}"
+
int interactive_main(int argc, char **argv);
#endif /* _ERLSRV_INTERACTIVE_H */
diff --git a/erts/etc/win32/start_erl.c b/erts/etc/win32/start_erl.c
index dcf8c8b281..6ca7dd9b99 100644
--- a/erts/etc/win32/start_erl.c
+++ b/erts/etc/win32/start_erl.c
@@ -44,6 +44,8 @@ char *progname;
#endif
#define RELEASE_SUBDIR "\\releases"
+#define ERTS_SUBDIR_PREFIX "\\erts-"
+#define BIN_SUBDIR "\\bin"
#define REGISTRY_BASE "Software\\Ericsson\\Erlang\\"
#define DEFAULT_DATAFILE "start_erl.data"
@@ -101,7 +103,8 @@ void exit_help(char *err)
printf("Usage:\n%s\n"
" [<erlang options>] ++\n"
" [-data <datafile>]\n"
- " [-reldir <releasedir>]\n"
+ " {-rootdir <erlang root directory> | \n"
+ " -reldir <releasedir>}\n"
" [-bootflags <bootflagsfile>]\n"
" [-noconfig]\n", progname);
@@ -177,8 +180,9 @@ void split_commandline(void)
*/
char * unquote_optionarg(char *str, char **strp)
{
- char *newstr = (char *)malloc(strlen(str)+1); /* This one is realloc:ed later */
- int i=0, inquote=0;
+ char *newstr = (char *)malloc(strlen(str)+1); /* This one is
+ realloc:ed later */
+ int i = 0, inquote = 0;
assert(newstr);
assert(str);
@@ -223,8 +227,8 @@ char * unquote_optionarg(char *str, char **strp)
/*
- * Parses MyCommandLine and tries to fill in all the required option variables
- * (one way or another).
+ * Parses MyCommandLine and tries to fill in all the required option
+ * variables (in one way or another).
*/
void parse_commandline(void)
{
@@ -237,6 +241,11 @@ void parse_commandline(void)
*cmdline++;
if( strnicmp(cmdline, "data", 4) == 0) {
DataFileName = unquote_optionarg(cmdline+4, &cmdline);
+ } else if( strnicmp(cmdline, "rootdir", 7) == 0) {
+ RootDir = unquote_optionarg(cmdline+7, &cmdline);
+#ifdef _DEBUG
+ fprintf(stderr, "RootDir: '%s'\n", RootDir);
+#endif
} else if( strnicmp(cmdline, "reldir", 6) == 0) {
RelDir = unquote_optionarg(cmdline+6, &cmdline);
#ifdef _DEBUG
@@ -266,8 +275,8 @@ void parse_commandline(void)
* Read the data file specified and get the version and release number
* from it.
*
- * This function also construct the correct RegistryKey from the version information
- * retrieved.
+ * This function also construct the correct RegistryKey from the version
+ * information retrieved.
*/
void read_datafile(void)
{
@@ -325,88 +334,6 @@ void read_datafile(void)
/*
- * Read the registry keys we need
- */
-void read_registry_keys(void)
-{
- HKEY hReg;
- ULONG lLen;
-
- /* Create the RegistryKey name */
- RegistryKey = (char *) malloc(strlen(REGISTRY_BASE) +
- strlen(Version) + 1);
- assert(RegistryKey);
- sprintf(RegistryKey, REGISTRY_BASE "%s", Version);
-
- /* We always need to find BinDir */
- if( (RegOpenKeyEx(HKEY_LOCAL_MACHINE,
- RegistryKey,
- 0,
- KEY_READ,
- &hReg)) != ERROR_SUCCESS ) {
- exit_help("Could not open registry key.");
- }
-
- /* First query size of data */
- if( (RegQueryValueEx(hReg,
- "Bindir",
- NULL,
- NULL,
- NULL,
- &lLen)) != ERROR_SUCCESS) {
- exit_help("Failed to query BinDir of release.\n");
- }
-
- /* Allocate enough space */
- BinDir = (char *)malloc(lLen+1);
- assert(BinDir);
- /* Retrieve the value */
- if( (RegQueryValueEx(hReg,
- "Bindir",
- NULL,
- NULL,
- (unsigned char *) BinDir,
- &lLen)) != ERROR_SUCCESS) {
- exit_help("Failed to query BinDir of release (2).\n");
- }
-
-#ifdef _DEBUG
- fprintf(stderr, "Bindir: '%s'\n", BinDir);
-#endif
-
- /* We also need the rootdir, in case we need to build RelDir later */
-
- /* First query size of data */
- if( (RegQueryValueEx(hReg,
- "Rootdir",
- NULL,
- NULL,
- NULL,
- &lLen)) != ERROR_SUCCESS) {
- exit_help("Failed to query RootDir of release.\n");
- }
-
- /* Allocate enough space */
- RootDir = (char *) malloc(lLen+1);
- assert(RootDir);
- /* Retrieve the value */
- if( (RegQueryValueEx(hReg,
- "Rootdir",
- NULL,
- NULL,
- (unsigned char *) RootDir,
- &lLen)) != ERROR_SUCCESS) {
- exit_help("Failed to query RootDir of release (2).\n");
- }
-
-#ifdef _DEBUG
- fprintf(stderr, "Rootdir: '%s'\n", RootDir);
-#endif
-
- RegCloseKey(hReg);
-}
-
-/*
* Read the bootflags. This file contains extra command line options to erl.exe
*/
void read_bootflags(void)
@@ -424,7 +351,8 @@ void read_bootflags(void)
exit_help("Need -reldir when -bootflags "
"filename has relative path.");
} else {
- newname = (char *)malloc(strlen(BootFlagsFile)+strlen(RelDir)+strlen(Release)+3);
+ newname = (char *)malloc(strlen(BootFlagsFile)+
+ strlen(RelDir)+strlen(Release)+3);
assert(newname);
sprintf(newname, "%s\\%s\\%s", RelDir, Release, BootFlagsFile);
free(BootFlagsFile);
@@ -436,8 +364,6 @@ void read_bootflags(void)
fprintf(stderr, "BootFlagsFile: '%s'\n", BootFlagsFile);
#endif
-
-
if( (fp=fopen(BootFlagsFile, "rb")) == NULL) {
exit_help("Could not open BootFlags file.");
}
@@ -605,32 +531,49 @@ void complete_options(void)
sz = nsz;
}
if (RelDir == NULL) {
- if(DataFileName){
- /* Needs to be absolute for this to work, but we
- can try... */
- read_datafile();
- read_registry_keys();
- } else {
- /* Impossible to find all data... */
- exit_help("Need either Release directory or an absolute "
- "datafile name.");
- }
- /* Ok, construct our own RelDir from RootDir */
- RelDir = (char *) malloc(strlen(RootDir)+strlen(RELEASE_SUBDIR)+1);
- assert(RelDir);
- sprintf(RelDir, "%s" RELEASE_SUBDIR, RootDir);
+ if (!RootDir) {
+ /* Impossible to find all data... */
+ exit_help("Need either Root directory nor Release directory.");
+ }
+ /* Ok, construct our own RelDir from RootDir */
+ RelDir = (char *) malloc(strlen(RootDir)+strlen(RELEASE_SUBDIR)+1);
+ assert(RelDir);
+ sprintf(RelDir, "%s" RELEASE_SUBDIR, RootDir);
+ read_datafile();
} else {
read_datafile();
- read_registry_keys();
}
} else {
read_datafile();
- read_registry_keys();
}
+ if( !RootDir ) {
+ /* Try to construct RootDir from RelDir */
+ char *p;
+ RootDir = malloc(strlen(RelDir)+1);
+ strcpy(RootDir,RelDir);
+ p = RootDir+strlen(RootDir)-1;
+ if (p >= RootDir && (*p == '/' || *p == '\\'))
+ --p;
+ while (p >= RootDir && *p != '/' && *p != '\\')
+ --p;
+ if (p <= RootDir) { /* Empty RootDir is also an error */
+ exit_help("Cannot determine Root directory from "
+ "Release directory.");
+ }
+ *p = '\0';
+ }
+
+
+ BinDir = (char *) malloc(strlen(RootDir)+strlen(ERTS_SUBDIR_PREFIX)+
+ strlen(Version)+strlen(BIN_SUBDIR)+1);
+ assert(BinDir);
+ sprintf(BinDir, "%s" ERTS_SUBDIR_PREFIX "%s" BIN_SUBDIR, RootDir, Version);
+
read_bootflags();
#ifdef _DEBUG
fprintf(stderr, "RelDir: '%s'\n", RelDir);
+ fprintf(stderr, "BinDir: '%s'\n", BinDir);
#endif
}
diff --git a/erts/lib_src/common/erl_printf.c b/erts/lib_src/common/erl_printf.c
index 72d18ab6f1..6aa4569d44 100644
--- a/erts/lib_src/common/erl_printf.c
+++ b/erts/lib_src/common/erl_printf.c
@@ -108,7 +108,7 @@ write_f_add_cr(void *vfp, char* buf, size_t len)
if (PUTC(buf[i], (FILE *) vfp) == EOF)
return get_error_result();
}
- return 0;
+ return len;
}
static int
@@ -126,13 +126,14 @@ write_f(void *vfp, char* buf, size_t len)
#endif
if (FWRITE((void *) buf, sizeof(char), len, (FILE *) vfp) != len)
return get_error_result();
- return 0;
+ return len;
}
static int
write_fd(void *vfdp, char* buf, size_t len)
{
ssize_t size;
+ size_t res = len;
ASSERT(vfdp);
while (len) {
@@ -149,7 +150,7 @@ write_fd(void *vfdp, char* buf, size_t len)
len -= size;
}
- return 0;
+ return res;
}
static int
@@ -160,7 +161,7 @@ write_s(void *vwbufpp, char* bufp, size_t len)
ASSERT(len > 0);
memcpy((void *) *wbufpp, (void *) bufp, len);
*wbufpp += len;
- return 0;
+ return len;
}
@@ -182,6 +183,7 @@ write_sn(void *vwsnap, char* buf, size_t len)
memcpy((void *) wsnap->buf, (void *) buf, sz);
wsnap->buf += sz;
wsnap->len -= sz;
+ return sz;
}
return 0;
}
@@ -201,7 +203,7 @@ write_ds(void *vdsbufp, char* buf, size_t len)
}
memcpy((void *) (dsbufp->str + dsbufp->str_len), (void *) buf, len);
dsbufp->str_len += len;
- return 0;
+ return len;
}
int
diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index 480954adac..dd6f24e21f 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -223,10 +223,8 @@ attribute(export, Es, _L, St) ->
St#expand{exports=union(from_list(Es), St#expand.exports)};
attribute(import, Is, _L, St) ->
import(Is, St);
-attribute(compile, C, _L, St) when is_list(C) ->
- St#expand{compile=St#expand.compile ++ C};
-attribute(compile, C, _L, St) ->
- St#expand{compile=St#expand.compile ++ [C]};
+attribute(compile, _C, _L, St) ->
+ St;
attribute(Name, Val, Line, St) when is_list(Val) ->
St#expand{attributes=St#expand.attributes ++ [{Name,Line,Val}]};
attribute(Name, Val, Line, St) ->
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml
index 179ba4498c..96c4a072e1 100644
--- a/lib/crypto/doc/src/crypto.xml
+++ b/lib/crypto/doc/src/crypto.xml
@@ -744,7 +744,7 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]>
<p>Generate a random number <c><![CDATA[N, Lo =< N < Hi.]]></c> Uses the
<c>crypto</c> library pseudo-random number generator. The
arguments (and result) can be either erlang integers or binary
- multi-precision integers.</p>
+ multi-precision integers. <c>Hi</c> must be larger than <c>Lo</c>.</p>
</desc>
</func>
<func>
diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl
index c35dfcebab..c3e13d6b91 100644
--- a/lib/crypto/src/crypto.erl
+++ b/lib/crypto/src/crypto.erl
@@ -415,6 +415,13 @@ rand_uniform(From,To) when is_binary(From), is_binary(To) ->
Whatever
end;
rand_uniform(From,To) when is_integer(From),is_integer(To) ->
+ if From < 0 ->
+ rand_uniform_pos(0, To - From) + From;
+ true ->
+ rand_uniform_pos(From, To)
+ end.
+
+rand_uniform_pos(From,To) when From < To ->
BinFrom = mpint(From),
BinTo = mpint(To),
case rand_uniform(BinFrom, BinTo) of
@@ -422,7 +429,9 @@ rand_uniform(From,To) when is_integer(From),is_integer(To) ->
erlint(Result);
Other ->
Other
- end.
+ end;
+rand_uniform_pos(_,_) ->
+ error(badarg).
rand_uniform_nif(_From,_To) -> ?nif_stub.
diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl
index 283aadb6ea..8d2f42469b 100644
--- a/lib/crypto/test/crypto_SUITE.erl
+++ b/lib/crypto/test/crypto_SUITE.erl
@@ -878,10 +878,17 @@ rand_uniform_aux_test(0) ->
rand_uniform_aux_test(N) ->
?line L = N*1000,
?line H = N*100000+1,
+ ?line crypto_rand_uniform(L, H),
+ ?line crypto_rand_uniform(-L, L),
+ ?line crypto_rand_uniform(-H, -L),
+ ?line crypto_rand_uniform(-H, L),
+ ?line rand_uniform_aux_test(N-1).
+
+crypto_rand_uniform(L,H) ->
?line R1 = crypto:rand_uniform(L, H),
?line t(R1 >= L),
- ?line t(R1 < H),
- ?line rand_uniform_aux_test(N-1).
+ ?line t(R1 < H).
+
%%
%%
diff --git a/lib/gs/contribs/bonk/sounder.erl b/lib/gs/contribs/bonk/sounder.erl
index 11ab03d167..899f20d4e0 100644
--- a/lib/gs/contribs/bonk/sounder.erl
+++ b/lib/gs/contribs/bonk/sounder.erl
@@ -72,13 +72,13 @@ stop() ->
sounder ! {stop},
ok end.
-new(File) when list(File) -> new(list_to_atom(File));
-new(File) when atom(File) ->
+new(File) when is_list(File) -> new(list_to_atom(File));
+new(File) when is_atom(File) ->
catch begin check(),
sounder ! {new,File,self()},
wait_for_ack(sounder) end.
-play(No) when integer(No) ->
+play(No) when is_integer(No) ->
catch begin check(),
sounder ! {play, No, self()},
wait_for_ack(sounder) end.
@@ -94,14 +94,14 @@ go() ->
loop(Port) ->
receive
- {new, File, From} when atom(File) ->
+ {new, File, From} when is_atom(File) ->
Port ! {self(),{command,lists:append([0],atom_to_list(File))}},
From ! {sounder,wait_for_ack(Port)},
loop(Port);
{play,silent,From} ->
From ! {sounder,false},
loop(Port);
- {play,No,From} when integer(No) ->
+ {play,No,From} when is_integer(No) ->
Port ! {self(),{command,[No]}},
From ! {sounder,wait_for_ack(Port)},
loop(Port);
@@ -118,13 +118,13 @@ loop(Port) ->
nosound() ->
receive
- {new,File,From} when atom(File) ->
+ {new,File,From} when is_atom(File) ->
From ! {sounder,{ok,silent}},
nosound();
{play,silent,From} ->
From ! {sounder,true},
nosound();
- {play,No,From} when integer(No) ->
+ {play,No,From} when is_integer(No) ->
From ! {sounder,{error,no_audio_cap}},
nosound();
{stop} ->
@@ -135,7 +135,7 @@ nosound() ->
wait_for_ack(sounder) ->
receive {sounder,Res} -> Res end;
-wait_for_ack(Port) when port(Port) ->
+wait_for_ack(Port) when is_port(Port) ->
receive
{Port,{data,"ok"}} ->
ok;
@@ -149,7 +149,7 @@ wait_for_ack(Port) when port(Port) ->
check() ->
case whereis(sounder) of
- Pid when pid(Pid) ->
+ Pid when is_pid(Pid) ->
ok;
undefined ->
throw({error,sounder_not_started})
diff --git a/lib/gs/contribs/cols/cols.erl b/lib/gs/contribs/cols/cols.erl
index 67b46d0dfb..439eb717f7 100644
--- a/lib/gs/contribs/cols/cols.erl
+++ b/lib/gs/contribs/cols/cols.erl
@@ -278,7 +278,7 @@ fall_column([], _X, _Y, ColumnAcc, ChecksAcc) ->
fall_column([black|Colors], X, Y, ColumnAcc, ChecksAcc) ->
case find_box(Colors) of
false -> {ColumnAcc, ChecksAcc};
- NewColors when list(NewColors) ->
+ NewColors when is_list(NewColors) ->
fall_one_step(NewColors, X, Y, ColumnAcc, ChecksAcc)
end;
fall_column([Color|Colors], X, Y, ColumnAcc, ChecksAcc) ->
@@ -330,7 +330,7 @@ new_column_list([], _, _) -> [].
%%----------------------------------------------------------------------
%% Returns: a reversed list of colors.
%%----------------------------------------------------------------------
-columntuple_to_list(ColumnTuple) when tuple(ColumnTuple) ->
+columntuple_to_list(ColumnTuple) when is_tuple(ColumnTuple) ->
columntuple_to_list(tuple_to_list(ColumnTuple),[]).
columntuple_to_list([],Acc) -> Acc;
diff --git a/lib/gs/contribs/mandel/mandel.erl b/lib/gs/contribs/mandel/mandel.erl
index d4d2452463..579f8e487b 100644
--- a/lib/gs/contribs/mandel/mandel.erl
+++ b/lib/gs/contribs/mandel/mandel.erl
@@ -119,7 +119,7 @@ start_client(Opts,Nodes) ->
try_random(random,Low,High) ->
random:uniform()*(High-Low)+Low;
-try_random(Float,_Low,_High) when number(Float) -> Float.
+try_random(Float,_Low,_High) when is_number(Float) -> Float.
%%-----------------------------------------------------------------
diff --git a/lib/gs/contribs/othello/othello_board.erl b/lib/gs/contribs/othello/othello_board.erl
index 0206ba2ded..6ccb79b7e4 100644
--- a/lib/gs/contribs/othello/othello_board.erl
+++ b/lib/gs/contribs/othello/othello_board.erl
@@ -147,7 +147,7 @@ but_pressed("Help",_ButtId,_User,GamePid,_Shell,_Wids,_Op) ->
but_pressed("Newgame",_ButtId,_User,GamePid,_Shell,Wids,Options) ->
new_game(GamePid,Wids,Options);
but_pressed([],ButtId,User,GamePid,_Shell,_Wids,_Op)
- when pid(GamePid),User == player ->
+ when is_pid(GamePid),User == player ->
[C,R] = atom_to_list(ButtId),
GamePid ! {self(),position,othello_adt:pos(C-96,translate(R-48))},
GamePid;
@@ -243,7 +243,7 @@ game_msg(Msg,User,GamePid,Shell,Wids,Options) ->
end.
-new_game(GamePid,Wids,Options) when pid(GamePid) ->
+new_game(GamePid,Wids,Options) when is_pid(GamePid) ->
exit(GamePid,kill),
new_game(Wids,Options);
new_game(_,Wids,Options) ->
diff --git a/lib/gs/examples/calc2.erl b/lib/gs/examples/calc2.erl
index d28780de01..9969a6c40f 100644
--- a/lib/gs/examples/calc2.erl
+++ b/lib/gs/examples/calc2.erl
@@ -54,7 +54,7 @@ calc() ->
calc_loop(Lbl,M,V,Op) ->
receive
- {gs,_,click,D,_} when integer(D) ->
+ {gs,_,click,D,_} when is_integer(D) ->
digit_press(Lbl,M,V*10+D,Op);
{gs,_,click,'C',_} ->
c(Lbl,M,V,Op);
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 10d60a4c9a..827fa79ec5 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -1203,6 +1203,7 @@ type(erlang, process_flag, 2, Xs) ->
case t_atom_vals(Flag) of
['error_handler'] -> t_atom();
['min_heap_size'] -> t_non_neg_integer();
+ ['scheduler'] -> t_non_neg_integer();
['monitor_nodes'] -> t_boolean();
['priority'] -> t_process_priority_level();
['save_calls'] -> t_non_neg_integer();
@@ -1903,7 +1904,7 @@ type(prim_file, internal_native2name, 1, Xs) ->
fun (_) -> t_prim_file_name() end);
type(prim_file, internal_normalize_utf8, 1, Xs) ->
strict(arg_types(prim_file, internal_normalize_utf8, 1), Xs,
- fun (_) -> t_binary() end);
+ fun (_) -> t_unicode_string() end);
%%-- gen_tcp ------------------------------------------------------------------
%% NOTE: All type information for this module added to avoid loss of precision
type(gen_tcp, accept, 1, Xs) ->
@@ -3747,6 +3748,7 @@ arg_types(erlang, process_display, 2) ->
arg_types(erlang, process_flag, 2) ->
[t_sup([t_atom('trap_exit'), t_atom('error_handler'),
t_atom('min_heap_size'), t_atom('priority'), t_atom('save_calls'),
+ t_atom('scheduler'), % undocumented
t_atom('monitor_nodes'), % undocumented
t_tuple([t_atom('monitor_nodes'), t_list()])]), % undocumented
t_sup([t_boolean(), t_atom(), t_non_neg_integer()])];
@@ -3785,7 +3787,7 @@ arg_types(erlang, send, 3) ->
arg_types(erlang, send_after, 3) ->
[t_non_neg_integer(), t_sup(t_pid(), t_atom()), t_any()];
arg_types(erlang, seq_trace, 2) ->
- [t_atom(), t_sup([t_boolean(), t_tuple([t_fixnum(), t_fixnum()]), t_nil()])];
+ [t_atom(), t_sup([t_boolean(), t_tuple([t_fixnum(), t_fixnum()]), t_fixnum(), t_nil()])];
arg_types(erlang, seq_trace_info, 1) ->
[t_seq_trace_info()];
arg_types(erlang, seq_trace_print, 1) ->
@@ -4034,7 +4036,7 @@ arg_types(ets, match_object, 3) ->
arg_types(ets, match_spec_compile, 1) ->
[t_matchspecs()];
arg_types(ets, match_spec_run_r, 3) ->
- [t_matchspecs(), t_any(), t_list()];
+ [t_list(t_tuple()),t_matchspecs(), t_list()];
arg_types(ets, member, 2) ->
[t_tab(), t_any()];
arg_types(ets, new, 2) ->
@@ -4066,8 +4068,12 @@ arg_types(ets, select_reverse, 3) ->
arg_types(ets, slot, 2) ->
[t_tab(), t_non_neg_fixnum()]; % 2nd arg can be 0
arg_types(ets, setopts, 2) ->
- Opt = t_sup(t_tuple([t_atom('heir'), t_pid(), t_any()]),
- t_tuple([t_atom('heir'), t_atom('none')])),
+ Opt = t_sup([t_tuple([t_atom('heir'), t_pid(), t_any()]),
+ t_tuple([t_atom('heir'), t_atom('none')]),
+ t_tuple([t_atom('protection'),
+ t_sup([t_atom('protected'),
+ t_atom('private'),
+ t_atom('public')])])]),
[t_tab(), t_sup(Opt, t_list(Opt))];
arg_types(ets, update_counter, 3) ->
Int = t_integer(),
@@ -4859,6 +4865,9 @@ t_ets_info_items() ->
t_atom('owner'),
t_atom('protection'),
t_atom('size'),
+ t_atom('compressed'),
+ t_atom('heir'),
+ t_atom('stats'),
t_atom('type')]).
%% =====================================================================
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index b36c28e027..fad5af85bb 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -555,8 +555,14 @@ fe80::204:acff:fe17:bf38
mode will return <c>{ok, HttpPacket}</c> from <c>gen_tcp:recv</c>
while an active socket will send messages like <c>{http,
Socket, HttpPacket}</c>.</p>
- <p>Note that the packet type <c>httph</c> is not
- needed when reading from a socket.</p>
+ </item>
+ <tag><c>httph | httph_bin</c></tag>
+ <item>
+ <p>These two types are often not needed as the socket will
+ automatically switch from <c>http</c>/<c>http_bin</c> to
+ <c>httph</c>/<c>httph_bin</c> internally after the first line
+ has been read. There might be occasions however when they are
+ useful, such as parsing trailers from chunked encoding.</p>
</item>
</taglist>
</item>
diff --git a/lib/mnesia/src/Makefile b/lib/mnesia/src/Makefile
index e032f563fa..1c8ec54605 100644
--- a/lib/mnesia/src/Makefile
+++ b/lib/mnesia/src/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1996-2009. All Rights Reserved.
+# Copyright Ericsson AB 1996-2011. 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
@@ -113,6 +113,8 @@ clean:
docs:
+$(TARGET_FILES): $(HRL_FILES)
+
# ----------------------------------------------------
# Special Build Targets
# ----------------------------------------------------
diff --git a/lib/mnesia/src/mnesia_controller.erl b/lib/mnesia/src/mnesia_controller.erl
index d4b2c7b5cc..1d3bd55b48 100644
--- a/lib/mnesia/src/mnesia_controller.erl
+++ b/lib/mnesia/src/mnesia_controller.erl
@@ -57,7 +57,8 @@
release_schema_commit_lock/0,
create_table/1,
get_disc_copy/1,
- get_cstructs/0,
+ get_remote_cstructs/0, % new function
+ get_cstructs/0, % old function
sync_and_block_table_whereabouts/4,
sync_del_table_copy_whereabouts/2,
block_table/1,
@@ -278,9 +279,51 @@ rec_tabs([], _, _, Init) ->
unlink(Init),
ok.
-get_cstructs() ->
+%% New function that does exactly what get_cstructs() used to do.
+%% When this function is called, we know that the calling node knows
+%% how to convert cstructs on the receiving end (should they differ).
+get_remote_cstructs() ->
call(get_cstructs).
+%% Old function kept for backwards compatibility; converts cstructs before sending.
+get_cstructs() ->
+ {cstructs, Cstructs, Running} = call(get_cstructs),
+ Node = node(group_leader()),
+ {cstructs, normalize_cstructs(Cstructs, Node), Running}.
+
+normalize_cstructs(Cstructs, Node) ->
+ %% backward-compatibility hack; normalize before returning
+ case rpc:call(Node, mnesia_lib, val, [{schema,cstruct}]) of
+ {badrpc, _} ->
+ %% assume it's not a schema merge
+ Cstructs;
+ #cstruct{} ->
+ %% same format
+ Cstructs;
+ Cstruct ->
+ %% some other format
+ RemoteFields = [F || {F,_} <- rpc:call(Node, mnesia_schema, cs2list, [Cstruct])],
+ [convert_cs(Cs, RemoteFields) || Cs <- Cstructs]
+ end.
+
+convert_cs(Cs, Fields) ->
+ MyFields = record_info(fields, cstruct),
+ convert(tl(tuple_to_list(Cs)), MyFields, Fields, []).
+
+convert([H|T], [F|FsL], [F|FsR], Acc) ->
+ convert(T, FsL, FsR, [H|Acc]);
+convert([H|T], [Fl|FsL] = L, [Fr|FsR] = R, Acc) ->
+ case {lists:member(Fl, FsR), lists:member(Fr, FsL)} of
+ {true, false} ->
+ convert(T, L, FsR, [H|Acc]);
+ {false, true} ->
+ %% Field Fl doesn't exist on receiver side; skip.
+ convert(T, FsL, R, Acc)
+ end;
+convert([], _, _, Acc) ->
+ list_to_tuple([cstruct|lists:reverse(Acc)]).
+
+
update(Fun) ->
call({update,Fun}).
diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl
index 92fd9dfade..daa9e6aff2 100644
--- a/lib/mnesia/src/mnesia_dumper.erl
+++ b/lib/mnesia/src/mnesia_dumper.erl
@@ -214,7 +214,12 @@ insert_rec(Rec, InPlace, InitBy, LogV) when is_record(Rec, commit) ->
{Tid, committed} ->
do_insert_rec(Tid, Rec, InPlace, InitBy, LogV);
{Tid, aborted} ->
- mnesia_schema:undo_prepare_commit(Tid, Rec)
+ case InitBy of
+ startup ->
+ mnesia_schema:undo_prepare_commit(Tid, Rec);
+ _ ->
+ ok
+ end
end;
insert_rec(H, _InPlace, _InitBy, _LogV) when is_record(H, log_header) ->
CurrentVersion = mnesia_log:version(),
diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl
index e785b795d1..eb83168498 100644
--- a/lib/mnesia/src/mnesia_loader.erl
+++ b/lib/mnesia/src/mnesia_loader.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2011. 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
@@ -27,7 +27,6 @@
net_load_table/4,
send_table/3]).
--export([old_node_init_table/6]). %% Spawned old node protocol conversion hack
-export([spawned_receiver/8]). %% Spawned lock taking process
-import(mnesia_lib, [set/2, fatal/2, verbose/2, dbg_out/2]).
@@ -36,7 +35,7 @@
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
+ {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
Value -> Value
end.
@@ -51,7 +50,7 @@ disc_load_table(Tab, Reason) ->
?eval_debug_fun({?MODULE, do_get_disc_copy},
[{tab, Tab},
{reason, Reason},
- {storage, Storage},
+ {storage, Storage},
{type, Type}]),
do_get_disc_copy2(Tab, Reason, Storage, Type).
@@ -63,19 +62,19 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_copies ->
%% NOW we create the actual table
Repair = mnesia_monitor:get_env(auto_repair),
Args = [{keypos, 2}, public, named_table, Type],
- case Reason of
+ case Reason of
{dumper, _} -> %% Resources allready allocated
ignore;
_ ->
mnesia_monitor:mktab(Tab, Args),
- Count = mnesia_log:dcd2ets(Tab, Repair),
+ Count = mnesia_log:dcd2ets(Tab, Repair),
case ets:info(Tab, size) of
X when X < Count * 4 ->
- ok = mnesia_log:ets2dcd(Tab);
+ ok = mnesia_log:ets2dcd(Tab);
_ ->
ignore
end
- end,
+ end,
mnesia_index:init_index(Tab, Storage),
snmpify(Tab, Storage),
set({Tab, load_node}, node()),
@@ -84,7 +83,7 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_copies ->
do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == ram_copies ->
Args = [{keypos, 2}, public, named_table, Type],
- case Reason of
+ case Reason of
{dumper, _} -> %% Resources allready allocated
ignore;
_ ->
@@ -94,12 +93,12 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == ram_copies ->
Repair = mnesia_monitor:get_env(auto_repair),
case mnesia_monitor:use_dir() of
true ->
- case mnesia_lib:exists(Fname) of
+ case mnesia_lib:exists(Fname) of
true -> mnesia_log:dcd2ets(Tab, Repair);
false ->
case mnesia_lib:exists(Datname) of
true ->
- mnesia_lib:dets_to_ets(Tab, Tab, Datname,
+ mnesia_lib:dets_to_ets(Tab, Tab, Datname,
Type, Repair, no);
false ->
false
@@ -154,11 +153,11 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_only_copies -
%% Disable rehashing of table
%% Release read lock on table
%% Send table to receiver in chunks
-%%
+%%
%% Grab read lock on table
%% Block dirty updates
%% Update wherabouts
-%%
+%%
%% Cancel the update subscription
%% Process the subscription events
%% Optionally dump to disc
@@ -166,7 +165,7 @@ do_get_disc_copy2(Tab, Reason, Storage, Type) when Storage == disc_only_copies -
%% Release read lock on table
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--define(MAX_TRANSFER_SIZE, 7500).
+-define(MAX_TRANSFER_SIZE, 7500).
-define(MAX_RAM_FILE_SIZE, 1000000).
-define(MAX_RAM_TRANSFERS, (?MAX_RAM_FILE_SIZE div ?MAX_TRANSFER_SIZE) + 1).
-define(MAX_NOPACKETS, 20).
@@ -187,14 +186,14 @@ try_net_load_table(Tab, Reason, Ns, Cs) ->
do_get_network_copy(Tab, _Reason, _Ns, unknown, _Cs) ->
verbose("Local table copy of ~p has recently been deleted, ignored.~n", [Tab]),
{not_loaded, storage_unknown};
-do_get_network_copy(Tab, Reason, Ns, Storage, Cs) ->
+do_get_network_copy(Tab, Reason, Ns, Storage, Cs) ->
[Node | Tail] = Ns,
case lists:member(Node,val({current, db_nodes})) of
true ->
dbg_out("Getting table ~p (~p) from node ~p: ~p~n",
[Tab, Storage, Node, Reason]),
?eval_debug_fun({?MODULE, do_get_network_copy},
- [{tab, Tab}, {reason, Reason},
+ [{tab, Tab}, {reason, Reason},
{nodes, Ns}, {storage, Storage}]),
case init_receiver(Node, Tab, Storage, Cs, Reason) of
ok ->
@@ -208,7 +207,7 @@ do_get_network_copy(Tab, Reason, Ns, Storage, Cs) ->
restart ->
try_net_load_table(Tab, Reason, Tail ++ [Node], Cs);
down ->
- try_net_load_table(Tab, Reason, Tail, Cs)
+ try_net_load_table(Tab, Reason, Tail, Cs)
end;
false ->
try_net_load_table(Tab, Reason, Tail, Cs)
@@ -223,10 +222,10 @@ do_snmpify(Tab, Us, Storage) ->
Snmp = mnesia_snmp_hook:create_table(Us, Tab, Storage),
set({Tab, {index, snmp}}, Snmp).
-%% Start the recieiver
+%% Start the recieiver
init_receiver(Node, Tab, Storage, Cs, Reas={dumper,add_table_copy}) ->
case start_remote_sender(Node, Tab, Storage) of
- {SenderPid, TabSize, DetsData} ->
+ {SenderPid, TabSize, DetsData} ->
start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,Reas);
Else ->
Else
@@ -234,21 +233,21 @@ init_receiver(Node, Tab, Storage, Cs, Reas={dumper,add_table_copy}) ->
init_receiver(Node, Tab,Storage,Cs,Reason) ->
%% Grab a schema lock to avoid deadlock between table_loader and schema_commit dumping.
%% Both may grab tables-locks in different order.
- Load =
- fun() ->
- {_,Tid,Ts} = get(mnesia_activity_state),
+ Load =
+ fun() ->
+ {_,Tid,Ts} = get(mnesia_activity_state),
mnesia_locker:rlock(Tid, Ts#tidstore.store, {schema, Tab}),
- %% Check that table still exists
+ %% Check that table still exists
Active = val({Tab, active_replicas}),
%% Check that we havn't loaded it already
case val({Tab,where_to_read}) == node() of
true -> ok;
_ ->
- %% And that sender still got a copy
- %% (something might have happend while
+ %% And that sender still got a copy
+ %% (something might have happend while
%% we where waiting for the lock)
true = lists:member(Node, Active),
- {SenderPid, TabSize, DetsData} =
+ {SenderPid, TabSize, DetsData} =
start_remote_sender(Node,Tab,Storage),
Init = table_init_fun(SenderPid),
Args = [self(),Tab,Storage,Cs,SenderPid,
@@ -258,18 +257,18 @@ init_receiver(Node, Tab,Storage,Cs,Reason) ->
wait_on_load_complete(Pid)
end
end,
- Res =
+ Res =
case mnesia:transaction(Load, 20) of
- {atomic, {error,Result}} when
- element(1,Reason) == dumper ->
+ {atomic, {error,Result}} when
+ element(1,Reason) == dumper ->
{error,Result};
- {atomic, {error,Result}} ->
+ {atomic, {error,Result}} ->
fatal("Cannot create table ~p: ~p~n",
[[Tab, Storage], Result]);
{atomic, Result} -> Result;
{aborted, nomore} -> restart;
- {aborted, _Reas} ->
- verbose("Receiver failed on ~p from ~p:~nReason: ~p~n",
+ {aborted, _Reas} ->
+ verbose("Receiver failed on ~p from ~p:~nReason: ~p~n",
[Tab,Node,_Reas]),
down %% either this node or sender is dying
end,
@@ -279,7 +278,7 @@ init_receiver(Node, Tab,Storage,Cs,Reason) ->
start_remote_sender(Node,Tab,Storage) ->
mnesia_controller:start_remote_sender(Node, Tab, self(), Storage),
put(mnesia_table_sender_node, {Tab, Node}),
- receive
+ receive
{SenderPid, {first, TabSize}} ->
{SenderPid, TabSize, false};
{SenderPid, {first, TabSize, DetsData}} ->
@@ -291,22 +290,14 @@ start_remote_sender(Node,Tab,Storage) ->
end.
table_init_fun(SenderPid) ->
- PConv = mnesia_monitor:needs_protocol_conversion(node(SenderPid)),
- MeMyselfAndI = self(),
fun(read) ->
- Receiver =
- if
- PConv == true ->
- MeMyselfAndI ! {actual_tabrec, self()},
- MeMyselfAndI; %% Old mnesia
- PConv == false -> self()
- end,
+ Receiver = self(),
SenderPid ! {Receiver, more},
get_data(SenderPid, Receiver)
end.
%% Add_table_copy get's it's own locks.
-start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,{dumper,add_table_copy}) ->
+start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,{dumper,add_table_copy}) ->
Init = table_init_fun(SenderPid),
case do_init_table(Tab,Storage,Cs,SenderPid,TabSize,DetsData,self(), Init) of
Err = {error, _} ->
@@ -317,8 +308,8 @@ start_receiver(Tab,Storage,Cs,SenderPid,TabSize,DetsData,{dumper,add_table_copy}
end.
spawned_receiver(ReplyTo,Tab,Storage,Cs, SenderPid,TabSize,DetsData, Init) ->
- process_flag(trap_exit, true),
- Done = do_init_table(Tab,Storage,Cs,
+ process_flag(trap_exit, true),
+ Done = do_init_table(Tab,Storage,Cs,
SenderPid,TabSize,DetsData,
ReplyTo, Init),
ReplyTo ! {self(),Done},
@@ -327,17 +318,17 @@ spawned_receiver(ReplyTo,Tab,Storage,Cs, SenderPid,TabSize,DetsData, Init) ->
exit(normal).
wait_on_load_complete(Pid) ->
- receive
- {Pid, Res} ->
+ receive
+ {Pid, Res} ->
Res;
- {'EXIT', Pid, Reason} ->
+ {'EXIT', Pid, Reason} ->
exit(Reason);
- Else ->
+ Else ->
Pid ! Else,
wait_on_load_complete(Pid)
end.
-do_init_table(Tab,Storage,Cs,SenderPid,
+do_init_table(Tab,Storage,Cs,SenderPid,
TabSize,DetsInfo,OrigTabRec,Init) ->
case create_table(Tab, TabSize, Storage, Cs) of
{Storage,Tab} ->
@@ -345,11 +336,9 @@ do_init_table(Tab,Storage,Cs,SenderPid,
Node = node(SenderPid),
put(mnesia_table_receiver, {Tab, Node, SenderPid}),
mnesia_tm:block_tab(Tab),
- PConv = mnesia_monitor:needs_protocol_conversion(Node),
-
- case init_table(Tab,Storage,Init,PConv,DetsInfo,SenderPid) of
- ok ->
- tab_receiver(Node,Tab,Storage,Cs,PConv,OrigTabRec);
+ case init_table(Tab,Storage,Init,DetsInfo,SenderPid) of
+ ok ->
+ tab_receiver(Node,Tab,Storage,Cs,OrigTabRec);
Reason ->
Msg = "[d]ets:init table failed",
verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]),
@@ -360,7 +349,7 @@ do_init_table(Tab,Storage,Cs,SenderPid,
end.
create_table(Tab, TabSize, Storage, Cs) ->
- if
+ if
Storage == disc_only_copies ->
mnesia_lib:lock_table(Tab),
Tmp = mnesia_lib:tab2tmp(Tab),
@@ -390,54 +379,30 @@ create_table(Tab, TabSize, Storage, Cs) ->
end
end.
-tab_receiver(Node, Tab, Storage, Cs, PConv, OrigTabRec) ->
+tab_receiver(Node, Tab, Storage, Cs, OrigTabRec) ->
receive
- {SenderPid, {no_more, DatBin}} when PConv == false ->
+ {SenderPid, {no_more, DatBin}} ->
finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec);
-
- %% Protocol conversion hack
- {SenderPid, {no_more, DatBin}} when is_pid(PConv) ->
- PConv ! {SenderPid, no_more},
- receive
- {old_init_table_complete, ok} ->
- finish_copy(Storage, Tab, Cs, SenderPid, DatBin,OrigTabRec);
- {old_init_table_complete, Reason} ->
- Msg = "OLD: [d]ets:init table failed",
- verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]),
- down(Tab, Storage)
- end;
-
- {actual_tabrec, Pid} ->
- tab_receiver(Node, Tab, Storage, Cs, Pid,OrigTabRec);
-
- {SenderPid, {more, [Recs]}} when is_pid(PConv) ->
- PConv ! {SenderPid, {more, Recs}}, %% Forward Msg to OldNodes
- tab_receiver(Node, Tab, Storage, Cs, PConv,OrigTabRec);
- {'EXIT', PConv, Reason} -> %% [d]ets:init process crashed
- Msg = "Receiver crashed",
- verbose("~s: ~p: ~p~n", [Msg, Tab, Reason]),
- down(Tab, Storage);
-
%% Protocol conversion hack
{copier_done, Node} ->
verbose("Sender of table ~p crashed on node ~p ~n", [Tab, Node]),
down(Tab, Storage);
-
+
{'EXIT', Pid, Reason} ->
handle_exit(Pid, Reason),
- tab_receiver(Node, Tab, Storage, Cs, PConv,OrigTabRec)
+ tab_receiver(Node, Tab, Storage, Cs, OrigTabRec)
end.
make_table_fun(Pid, TabRec) ->
fun(close) ->
ok;
(read) ->
- get_data(Pid, TabRec)
+ get_data(Pid, TabRec)
end.
get_data(Pid, TabRec) ->
- receive
+ receive
{Pid, {more_z, CompressedRecs}} when is_binary(CompressedRecs) ->
Pid ! {TabRec, more},
{zlib_uncompress(CompressedRecs), make_table_fun(Pid,TabRec)};
@@ -448,7 +413,7 @@ get_data(Pid, TabRec) ->
end_of_input;
{copier_done, Node} ->
case node(Pid) of
- Node ->
+ Node ->
{copier_done, Node};
_ ->
get_data(Pid, TabRec)
@@ -458,10 +423,10 @@ get_data(Pid, TabRec) ->
get_data(Pid, TabRec)
end.
-init_table(Tab, disc_only_copies, Fun, false, DetsInfo,Sender) ->
+init_table(Tab, disc_only_copies, Fun, DetsInfo,Sender) ->
ErtsVer = erlang:system_info(version),
case DetsInfo of
- {ErtsVer, DetsData} ->
+ {ErtsVer, DetsData} ->
Res = (catch dets:is_compatible_bchunk_format(Tab, DetsData)),
case Res of
{'EXIT',{undef,[{dets,_,_}|_]}} ->
@@ -481,28 +446,19 @@ init_table(Tab, disc_only_copies, Fun, false, DetsInfo,Sender) ->
_ ->
dets:init_table(Tab, Fun)
end;
-init_table(Tab, _, Fun, false, _DetsInfo,_) ->
+init_table(Tab, _, Fun, _DetsInfo,_) ->
case catch ets:init_table(Tab, Fun) of
true ->
ok;
{'EXIT', Else} -> Else
- end;
-init_table(Tab, Storage, Fun, true, _DetsInfo, Sender) -> %% Old Nodes
- spawn_link(?MODULE, old_node_init_table,
- [Tab, Storage, Fun, self(), false, Sender]),
- ok.
+ end.
-old_node_init_table(Tab, Storage, Fun, TabReceiver, DetsInfo,Sender) ->
- Res = init_table(Tab, Storage, Fun, false, DetsInfo,Sender),
- TabReceiver ! {old_init_table_complete, Res},
- unlink(TabReceiver),
- ok.
finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec) ->
TabRef = {Storage, Tab},
subscr_receiver(TabRef, Cs#cstruct.record_name),
case handle_last(TabRef, Cs#cstruct.type, DatBin) of
- ok ->
+ ok ->
mnesia_index:init_index(Tab, Storage),
snmpify(Tab, Storage),
%% OrigTabRec must not be the spawned tab-receiver
@@ -534,7 +490,7 @@ subscr_receiver(TabRef = {_, Tab}, RecName) ->
ok
end.
-handle_event(TabRef, write, Rec) ->
+handle_event(TabRef, write, Rec) ->
db_put(TabRef, Rec);
handle_event(TabRef, delete, {_Tab, Key}) ->
db_erase(TabRef, Key);
@@ -545,8 +501,8 @@ handle_event(TabRef, clear_table, {_Tab, _Key}) ->
handle_last({disc_copies, Tab}, _Type, nobin) ->
Ret = mnesia_log:ets2dcd(Tab),
- Fname = mnesia_lib:tab2dat(Tab),
- case mnesia_lib:exists(Fname) of
+ Fname = mnesia_lib:tab2dat(Tab),
+ case mnesia_lib:exists(Fname) of
true -> %% Remove old .DAT files.
file:delete(Fname);
false ->
@@ -653,31 +609,29 @@ send_table(Pid, Tab, RemoteS) ->
{error, {no_exists, Tab}};
Storage ->
%% Send first
- TabSize = mnesia:table_info(Tab, size),
- Pconvert = mnesia_monitor:needs_protocol_conversion(node(Pid)),
+ TabSize = mnesia:table_info(Tab, size),
KeysPerTransfer = calc_nokeys(Storage, Tab),
ChunkData = dets:info(Tab, bchunk_format),
- UseDetsChunk =
- Storage == RemoteS andalso
- Storage == disc_only_copies andalso
- ChunkData /= undefined andalso
- Pconvert == false,
- if
+ UseDetsChunk =
+ Storage == RemoteS andalso
+ Storage == disc_only_copies andalso
+ ChunkData /= undefined,
+ if
UseDetsChunk == true ->
DetsInfo = erlang:system_info(version),
Pid ! {self(), {first, TabSize, {DetsInfo, ChunkData}}};
true ->
Pid ! {self(), {first, TabSize}}
end,
-
+
%% Debug info
put(mnesia_table_sender, {Tab, node(Pid), Pid}),
{Init, Chunk} = reader_funcs(UseDetsChunk, Tab, Storage, KeysPerTransfer),
-
+
SendIt = fun() ->
prepare_copy(Pid, Tab, Storage),
- send_more(Pid, 1, Chunk, Init(), Tab, Pconvert),
+ send_more(Pid, 1, Chunk, Init(), Tab),
finish_copy(Pid, Tab, Storage, RemoteS)
end,
@@ -698,7 +652,7 @@ send_table(Pid, Tab, RemoteS) ->
{error, Reason}
end
end.
-
+
prepare_copy(Pid, Tab, Storage) ->
Trans =
fun() ->
@@ -717,11 +671,11 @@ prepare_copy(Pid, Tab, Storage) ->
update_where_to_write(Tab, Node) ->
case val({Tab, access_mode}) of
- read_only ->
+ read_only ->
ignore;
- read_write ->
+ read_write ->
Current = val({current, db_nodes}),
- Ns =
+ Ns =
case lists:member(Node, Current) of
true -> Current;
false -> [Node | Current]
@@ -729,27 +683,27 @@ update_where_to_write(Tab, Node) ->
update_where_to_write(Ns, Tab, Node)
end.
-update_where_to_write([], _, _) ->
+update_where_to_write([], _, _) ->
ok;
update_where_to_write([H|T], Tab, AddNode) ->
- rpc:call(H, mnesia_controller, call,
+ rpc:call(H, mnesia_controller, call,
[{update_where_to_write, [add, Tab, AddNode], self()}]),
update_where_to_write(T, Tab, AddNode).
-send_more(Pid, N, Chunk, DataState, Tab, OldNode) ->
+send_more(Pid, N, Chunk, DataState, Tab) ->
receive
{NewPid, more} ->
- case send_packet(N - 1, NewPid, Chunk, DataState, OldNode) of
- New when is_integer(New) ->
+ case send_packet(N - 1, NewPid, Chunk, DataState) of
+ New when is_integer(New) ->
New - 1;
NewData ->
- send_more(NewPid, ?MAX_NOPACKETS, Chunk, NewData, Tab, OldNode)
+ send_more(NewPid, ?MAX_NOPACKETS, Chunk, NewData, Tab)
end;
{_NewPid, {old_protocol, Tab}} ->
Storage = val({Tab, storage_type}),
- {Init, NewChunk} =
+ {Init, NewChunk} =
reader_funcs(false, Tab, Storage, calc_nokeys(Storage, Tab)),
- send_more(Pid, 1, NewChunk, Init(), Tab, OldNode);
+ send_more(Pid, 1, NewChunk, Init(), Tab);
{copier_done, Node} when Node == node(Pid)->
verbose("Receiver of table ~p crashed on ~p (more)~n", [Tab, Node]),
@@ -770,7 +724,7 @@ dets_bchunk(Tab, Chunk) -> %% Arrg
case dets:bchunk(Tab, Chunk) of
{Cont, Data} -> {Data, Cont};
Else -> Else
- end.
+ end.
zlib_compress(Data, Level) ->
BinData = term_to_binary(Data),
@@ -793,28 +747,20 @@ compression_level() ->
Val -> Val
end.
-send_packet(N, Pid, _Chunk, '$end_of_table', OldNode) ->
- case OldNode of
- true -> ignore; %% Old nodes can't handle the new no_more
- false -> Pid ! {self(), no_more}
- end,
+send_packet(N, Pid, _Chunk, '$end_of_table') ->
+ Pid ! {self(), no_more},
N;
-send_packet(N, Pid, Chunk, {[], Cont}, OldNode) ->
- send_packet(N, Pid, Chunk, Chunk(Cont), OldNode);
-send_packet(N, Pid, Chunk, {Recs, Cont}, OldNode) when N < ?MAX_NOPACKETS ->
- case OldNode of
- true ->
- Pid ! {self(), {more, [Recs]}}; %% Old need's wrapping list
- false ->
- case compression_level() of
- 0 ->
- Pid ! {self(), {more, Recs}};
- Level ->
- Pid ! {self(), {more_z, zlib_compress(Recs, Level)}}
- end
+send_packet(N, Pid, Chunk, {[], Cont}) ->
+ send_packet(N, Pid, Chunk, Chunk(Cont));
+send_packet(N, Pid, Chunk, {Recs, Cont}) when N < ?MAX_NOPACKETS ->
+ case compression_level() of
+ 0 ->
+ Pid ! {self(), {more, Recs}};
+ Level ->
+ Pid ! {self(), {more_z, zlib_compress(Recs, Level)}}
end,
- send_packet(N+1, Pid, Chunk, Chunk(Cont), OldNode);
-send_packet(_N, _Pid, _Chunk, DataState, _OldNode) ->
+ send_packet(N+1, Pid, Chunk, Chunk(Cont));
+send_packet(_N, _Pid, _Chunk, DataState) ->
DataState.
finish_copy(Pid, Tab, Storage, RemoteS) ->
@@ -855,5 +801,5 @@ dat2bin(_Tab, _LocalS, _RemoteS) ->
handle_exit(Pid, Reason) when node(Pid) == node() ->
exit(Reason);
-handle_exit(_Pid, _Reason) -> %% Not from our node, this will be handled by
+handle_exit(_Pid, _Reason) -> %% Not from our node, this will be handled by
ignore. %% mnesia_down soon.
diff --git a/lib/mnesia/src/mnesia_monitor.erl b/lib/mnesia/src/mnesia_monitor.erl
index b6eda9ad3a..e110ad3241 100644
--- a/lib/mnesia/src/mnesia_monitor.erl
+++ b/lib/mnesia/src/mnesia_monitor.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2011. 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
@@ -76,13 +76,13 @@
-include("mnesia.hrl").
--record(state, {supervisor, pending_negotiators = [],
+-record(state, {supervisor, pending_negotiators = [],
going_down = [], tm_started = false, early_connects = [],
connecting, mq = []}).
--define(current_protocol_version, {7,6}).
+-define(current_protocol_version, {8,0}).
--define(previous_protocol_version, {7,5}).
+-define(previous_protocol_version, {7,6}).
start() ->
gen_server:start_link({local, ?MODULE}, ?MODULE,
@@ -151,12 +151,12 @@ check_protocol([{Node, {accept, Mon, Version, Protocol}} | Tail], Protocols) ->
case lists:member(Protocol, Protocols) of
true ->
case Protocol == protocol_version() of
- true ->
+ true ->
set({protocol, Node}, {Protocol, false});
false ->
set({protocol, Node}, {Protocol, true})
end,
- [node(Mon) | check_protocol(Tail, Protocols)];
+ [node(Mon) | check_protocol(Tail, Protocols)];
false ->
verbose("Failed to connect with ~p. ~p protocols rejected. "
"expected version = ~p, expected protocol = ~p~n",
@@ -179,7 +179,7 @@ check_protocol([], [Protocol | _Protocols]) ->
set(protocol_version, Protocol),
[].
-protocol_version() ->
+protocol_version() ->
case ?catch_val(protocol_version) of
{'EXIT', _} -> ?current_protocol_version;
Version -> Version
@@ -189,14 +189,14 @@ protocol_version() ->
%% preferred protocols are first in the list
acceptable_protocol_versions() ->
[protocol_version(), ?previous_protocol_version].
-
+
needs_protocol_conversion(Node) ->
case {?catch_val({protocol, Node}), protocol_version()} of
{{'EXIT', _}, _} ->
false;
- {{_, Bool}, ?current_protocol_version} ->
+ {{_, Bool}, ?current_protocol_version} ->
Bool;
- {{_, Bool}, _} ->
+ {{_, Bool}, _} ->
not Bool
end.
@@ -255,15 +255,15 @@ terminate_proc(Who, Reason, _State) ->
%%----------------------------------------------------------------------
init([Parent]) ->
process_flag(trap_exit, true),
- ?ets_new_table(mnesia_gvar, [set, public, named_table]),
- ?ets_new_table(mnesia_stats, [set, public, named_table]),
+ ?ets_new_table(mnesia_gvar, [set, public, named_table]),
+ ?ets_new_table(mnesia_stats, [set, public, named_table]),
set(subscribers, []),
set(activity_subscribers, []),
mnesia_lib:verbose("~p starting: ~p~n", [?MODULE, self()]),
Version = mnesia:system_info(version),
set(version, Version),
dbg_out("Version: ~p~n", [Version]),
-
+
case catch process_config_args(env()) of
ok ->
mnesia_lib:set({'$$$_report', current_pos}, 0),
@@ -283,7 +283,7 @@ init([Parent]) ->
set(checkpoints, []),
set(pending_checkpoints, []),
set(pending_checkpoint_pids, []),
-
+
{ok, #state{supervisor = Parent}};
{'EXIT', Reason} ->
mnesia_lib:report_fatal("Bad configuration: ~p~n", [Reason]),
@@ -398,9 +398,9 @@ handle_call({unsafe_close_log, Name}, _From, State) ->
disk_log:close(Name),
{reply, ok, State};
-handle_call({negotiate_protocol, Mon, _Version, _Protocols}, _From, State)
+handle_call({negotiate_protocol, Mon, _Version, _Protocols}, _From, State)
when State#state.tm_started == false ->
- State2 = State#state{early_connects = [node(Mon) | State#state.early_connects]},
+ State2 = State#state{early_connects = [node(Mon) | State#state.early_connects]},
{reply, {node(), {reject, self(), uninitialized, uninitialized}}, State2};
%% From remote monitor..
@@ -412,7 +412,7 @@ handle_call({negotiate_protocol, Mon, Version, Protocols}, From, State)
true ->
accept_protocol(Mon, MyVersion, Protocol, From, State);
false ->
- %% in this release we should be able to handle the previous
+ %% in this release we should be able to handle the previous
%% protocol
case hd(Protocols) of
?previous_protocol_version ->
@@ -427,7 +427,7 @@ handle_call({negotiate_protocol, Mon, Version, Protocols}, From, State)
end;
%% Local request to negotiate with other monitors (nodes).
-handle_call({negotiate_protocol, Nodes}, From, State) ->
+handle_call({negotiate_protocol, Nodes}, From, State) ->
case mnesia_lib:intersect(State#state.going_down, Nodes) of
[] ->
spawn_link(?MODULE, negotiate_protocol_impl, [Nodes, From]),
@@ -461,7 +461,7 @@ accept_protocol(Mon, Version, Protocol, From, State) ->
%% No need for wait
link(Mon), %% link to remote Monitor
case Protocol == protocol_version() of
- true ->
+ true ->
set({protocol, Node}, {Protocol, false});
false ->
set({protocol, Node}, {Protocol, true})
@@ -509,7 +509,7 @@ handle_cast({disconnect, Node}, State) ->
ignore;
undefined ->
ignore;
- RemoteMon when is_pid(RemoteMon) ->
+ RemoteMon when is_pid(RemoteMon) ->
unlink(RemoteMon)
end,
{noreply, State};
@@ -534,7 +534,7 @@ handle_info({'EXIT', Pid, R}, State) when Pid == State#state.supervisor ->
dbg_out("~p was ~p by supervisor~n",[?MODULE, R]),
{stop, R, State};
-handle_info({'EXIT', Pid, fatal}, State) when node(Pid) == node() ->
+handle_info({'EXIT', Pid, fatal}, State) when node(Pid) == node() ->
dbg_out("~p got FATAL ERROR from: ~p~n",[?MODULE, Pid]),
exit(State#state.supervisor, shutdown),
{noreply, State};
@@ -550,7 +550,7 @@ handle_info(Msg = {'EXIT',Pid,_}, State) ->
Node /= node() ->
{noreply, State#state{mq = State#state.mq ++ [{info, Msg}]}};
true ->
- %% We have probably got an exit signal from
+ %% We have probably got an exit signal from
%% disk_log or dets
Hint = "Hint: check that the disk still is writable",
fatal("~p got unexpected info: ~p; ~p~n",
@@ -567,10 +567,10 @@ handle_info({nodeup, Node}, State) ->
%% Let's check if Mnesia is running there in order
%% to detect if the network has been partitioned
%% due to communication failure.
-
+
HasDown = mnesia_recover:has_mnesia_down(Node),
ImRunning = mnesia_lib:is_running(),
-
+
if
%% If I'm not running the test will be made later.
HasDown == true, ImRunning == yes ->
@@ -589,7 +589,7 @@ handle_info({disk_log, _Node, Log, Info}, State) ->
{truncated, _No} ->
ok;
_ ->
- mnesia_lib:important("Warning Log file ~p error reason ~s~n",
+ mnesia_lib:important("Warning Log file ~p error reason ~s~n",
[Log, disk_log:format_error(Info)])
end,
{noreply, State};
@@ -681,38 +681,38 @@ env() ->
send_compressed
].
-default_env(access_module) ->
+default_env(access_module) ->
mnesia;
-default_env(auto_repair) ->
+default_env(auto_repair) ->
true;
-default_env(backup_module) ->
+default_env(backup_module) ->
mnesia_backup;
-default_env(debug) ->
+default_env(debug) ->
none;
default_env(dir) ->
Name = lists:concat(["Mnesia.", node()]),
filename:absname(Name);
-default_env(dump_log_load_regulation) ->
+default_env(dump_log_load_regulation) ->
false;
-default_env(dump_log_time_threshold) ->
+default_env(dump_log_time_threshold) ->
timer:minutes(3);
-default_env(dump_log_update_in_place) ->
+default_env(dump_log_update_in_place) ->
true;
default_env(dump_log_write_threshold) ->
1000;
-default_env(embedded_mnemosyne) ->
+default_env(embedded_mnemosyne) ->
false;
-default_env(event_module) ->
+default_env(event_module) ->
mnesia_event;
-default_env(extra_db_nodes) ->
+default_env(extra_db_nodes) ->
[];
-default_env(ignore_fallback_at_startup) ->
+default_env(ignore_fallback_at_startup) ->
false;
default_env(fallback_error_function) ->
{mnesia, lkill};
-default_env(max_wait_for_decision) ->
+default_env(max_wait_for_decision) ->
infinity;
-default_env(schema_location) ->
+default_env(schema_location) ->
opt_disc;
default_env(core_dir) ->
false;
@@ -732,7 +732,7 @@ check_type(Env, Val) ->
NewVal ->
NewVal
end.
-
+
do_check_type(access_module, A) when is_atom(A) -> A;
do_check_type(auto_repair, B) -> bool(B);
do_check_type(backup_module, B) when is_atom(B) -> B;
@@ -749,7 +749,7 @@ do_check_type(dump_log_update_in_place, B) -> bool(B);
do_check_type(dump_log_write_threshold, I) when is_integer(I), I > 0 -> I;
do_check_type(event_module, A) when is_atom(A) -> A;
do_check_type(ignore_fallback_at_startup, B) -> bool(B);
-do_check_type(fallback_error_function, {Mod, Func})
+do_check_type(fallback_error_function, {Mod, Func})
when is_atom(Mod), is_atom(Func) -> {Mod, Func};
do_check_type(embedded_mnemosyne, B) -> bool(B);
do_check_type(extra_db_nodes, L) when is_list(L) ->
@@ -804,8 +804,8 @@ detect_inconcistency(Nodes, Context) ->
has_remote_mnesia_down(Node) ->
HasDown = mnesia_recover:has_mnesia_down(Node),
Master = mnesia_recover:get_master_nodes(schema),
- if
- HasDown == true, Master == [] ->
+ if
+ HasDown == true, Master == [] ->
{true, node()};
true ->
{false, node()}
diff --git a/lib/mnesia/src/mnesia_schema.erl b/lib/mnesia/src/mnesia_schema.erl
index fef72ad39c..05be474aea 100644
--- a/lib/mnesia/src/mnesia_schema.erl
+++ b/lib/mnesia/src/mnesia_schema.erl
@@ -100,7 +100,7 @@
]).
%% Needed outside to be able to use/set table_properties
-%% from user (not supported)
+%% from user (not supported)
-export([schema_transaction/1,
insert_schema_ops/2,
do_create_table/1,
@@ -118,9 +118,9 @@
%% Here comes the init function which also resides in
%% this module, it is called upon by the trans server
%% at startup of the system
-%%
+%%
%% We have a meta table which looks like
-%% {table, schema,
+%% {table, schema,
%% {type, set},
%% {disc_copies, all},
%% {arity, 2}
@@ -149,14 +149,14 @@ exit_on_error(GoodRes) ->
val(Var) ->
case ?catch_val(Var) of
- {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
- Value -> Value
+ {'EXIT', Reason} -> mnesia_lib:other_val(Var, Reason);
+ Value -> Value
end.
%% This function traverses all cstructs in the schema and
%% sets all values in mnesia_gvar accordingly for each table/cstruct
-set_schema('$end_of_table') ->
+set_schema('$end_of_table') ->
[];
set_schema(Tab) ->
do_set_schema(Tab),
@@ -253,8 +253,8 @@ version() ->
incr_version(Cs) ->
{{Major, Minor}, _} = Cs#cstruct.version,
Nodes = mnesia_lib:intersect(val({schema, disc_copies}),
- mnesia_lib:cs_to_nodes(Cs)),
- V =
+ mnesia_lib:cs_to_nodes(Cs)),
+ V =
case Nodes -- val({Cs#cstruct.name, active_replicas}) of
[] -> {Major + 1, 0}; % All replicas are active
_ -> {Major, Minor + 1} % Some replicas are inactive
@@ -359,7 +359,7 @@ delete_schema2() ->
{error, Reason} ->
{error, Reason}
end.
-
+
ensure_no_schema([H|T]) when is_atom(H) ->
case rpc:call(H, ?MODULE, remote_read_schema, []) of
{badrpc, Reason} ->
@@ -407,7 +407,7 @@ opt_create_dir(UseDir, Dir) when UseDir == true->
check_can_write(Dir);
false ->
case file:make_dir(Dir) of
- ok ->
+ ok ->
verbose("Create Directory ~p~n", [Dir]),
ok;
{error, Reason} ->
@@ -417,7 +417,7 @@ opt_create_dir(UseDir, Dir) when UseDir == true->
end;
opt_create_dir(false, _) ->
{error, {has_no_disc, node()}}.
-
+
check_can_write(Dir) ->
case file:read_file_info(Dir) of
{ok, FI} when FI#file_info.type == directory,
@@ -450,7 +450,7 @@ read_schema(Keep) ->
read_schema(Keep, IgnoreFallback) ->
lock_schema(),
- Res =
+ Res =
case mnesia:system_info(is_running) of
yes ->
{ok, ram, get_create_list(schema)};
@@ -477,7 +477,7 @@ read_disc_schema(Keep, IgnoreFallback) ->
case mnesia_bup:fallback_exists() of
true when IgnoreFallback == false, Running /= yes ->
mnesia_bup:fallback_to_schema();
- _ ->
+ _ ->
%% If we're running, we read the schema file even
%% if fallback exists
Dat = mnesia_lib:tab2dat(schema),
@@ -499,7 +499,7 @@ read_disc_schema(Keep, IgnoreFallback) ->
end.
do_read_disc_schema(Fname, Keep) ->
- T =
+ T =
case Keep of
false ->
Args = [{keypos, 2}, public, set],
@@ -523,7 +523,7 @@ do_read_disc_schema(Fname, Keep) ->
get_initial_schema(SchemaStorage, Nodes) ->
Cs = #cstruct{name = schema,
record_name = schema,
- attributes = [table, cstruct]},
+ attributes = [table, cstruct]},
Cs2 =
case SchemaStorage of
ram_copies -> Cs#cstruct{ram_copies = Nodes};
@@ -532,7 +532,7 @@ get_initial_schema(SchemaStorage, Nodes) ->
cs2list(Cs2).
read_cstructs_from_disc() ->
- %% Assumptions:
+ %% Assumptions:
%% - local schema lock in global
%% - use_dir is true
%% - Mnesia is not running
@@ -552,14 +552,14 @@ read_cstructs_from_disc() ->
end,
Cstructs = dets:traverse(Tab, Fun),
dets:close(Tab),
- {ok, Cstructs};
+ {ok, Cstructs};
{error, Reason} ->
{error, Reason}
end;
false ->
{error, "No schema file exists"}
end.
-
+
%% We run a very special type of transactions when we
%% we want to manipulate the schema.
@@ -593,20 +593,20 @@ schema_transaction(Fun) ->
%% This process may dump the transaction log, and should
%% therefore not be run in an application process
-%%
+%%
schema_coordinator(Client, _Fun, undefined) ->
Res = {aborted, {node_not_running, node()}},
Client ! {transaction_done, Res, self()},
unlink(Client);
-
+
schema_coordinator(Client, Fun, Controller) when is_pid(Controller) ->
%% Do not trap exit in order to automatically die
%% when the controller dies
link(Controller),
unlink(Client),
-
- %% Fulfull the transaction even if the client dies
+
+ %% Fulfull the transaction even if the client dies
Res = mnesia:transaction(Fun),
Client ! {transaction_done, Res, self()},
unlink(Controller), % Avoids spurious exit message
@@ -619,7 +619,7 @@ schema_coordinator(Client, Fun, Controller) when is_pid(Controller) ->
insert_schema_ops({_Mod, _Tid, Ts}, SchemaIOps) ->
do_insert_schema_ops(Ts#tidstore.store, SchemaIOps).
-
+
do_insert_schema_ops(Store, [Head | Tail]) ->
?ets_insert(Store, Head),
do_insert_schema_ops(Store, Tail);
@@ -628,15 +628,56 @@ do_insert_schema_ops(_Store, []) ->
cs2list(Cs) when is_record(Cs, cstruct) ->
Tags = record_info(fields, cstruct),
- rec2list(Tags, 2, Cs);
+ rec2list(Tags, Tags, 2, Cs);
cs2list(CreateList) when is_list(CreateList) ->
- CreateList.
-
-rec2list([Tag | Tags], Pos, Rec) ->
+ CreateList;
+%% 4.4.19
+cs2list(Cs) when element(1, Cs) == cstruct, tuple_size(Cs) == 18 ->
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,majority,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Tags, 2, Cs);
+%% 4.4.18 and earlier
+cs2list(Cs) when element(1, Cs) == cstruct, tuple_size(Cs) == 17 ->
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Tags, 2, Cs).
+
+cs2list(false, Cs) ->
+ cs2list(Cs);
+cs2list(ver4_4_18, Cs) ->
+ Orig = record_info(fields, cstruct),
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Orig, 2, Cs);
+cs2list(ver4_4_19, Cs) ->
+ Orig = record_info(fields, cstruct),
+ Tags = [name,type,ram_copies,disc_copies,disc_only_copies,
+ load_order,access_mode,majority,index,snmp,local_content,
+ record_name,attributes,user_properties,frag_properties,
+ cookie,version],
+ rec2list(Tags, Orig, 2, Cs).
+
+rec2list([Tag | Tags], [Tag | Orig], Pos, Rec) ->
Val = element(Pos, Rec),
- [{Tag, Val} | rec2list(Tags, Pos + 1, Rec)];
-rec2list([], _Pos, _Rec) ->
- [].
+ [{Tag, Val} | rec2list(Tags, Orig, Pos + 1, Rec)];
+rec2list([], _, _Pos, _Rec) ->
+ [];
+rec2list(Tags, [_|Orig], Pos, Rec) ->
+ rec2list(Tags, Orig, Pos+1, Rec).
+
+api_list2cs(List) when is_list(List) ->
+ Name = pick(unknown, name, List, must),
+ Keys = check_keys(Name, List, record_info(fields, cstruct)),
+ check_duplicates(Name, Keys),
+ list2cs(List);
+api_list2cs(Other) ->
+ mnesia:abort({badarg, Other}).
list2cs(List) when is_list(List) ->
Name = pick(unknown, name, List, must),
@@ -667,10 +708,7 @@ list2cs(List) when is_list(List) ->
Frag = pick(Name, frag_properties, List, []),
verify({alt, [nil, list]}, mnesia_lib:etype(Frag),
- {badarg, Name, {frag_properties, Frag}}),
-
- Keys = check_keys(Name, List, record_info(fields, cstruct)),
- check_duplicates(Name, Keys),
+ {badarg, Name, {frag_properties, Frag}}),
#cstruct{name = Name,
ram_copies = Rc,
disc_copies = Dc,
@@ -687,9 +725,7 @@ list2cs(List) when is_list(List) ->
user_properties = lists:sort(UserProps),
frag_properties = lists:sort(Frag),
cookie = Cookie,
- version = Version};
-list2cs(Other) ->
- mnesia:abort({badarg, Other}).
+ version = Version}.
pick(Tab, Key, List, Default) ->
case lists:keysearch(Key, 1, List) of
@@ -708,7 +744,7 @@ attr_tab_to_pos(_Tab, Pos) when is_integer(Pos) ->
Pos;
attr_tab_to_pos(Tab, Attr) ->
attr_to_pos(Attr, val({Tab, attributes})).
-
+
%% Convert attribute name to integer if neccessary
attr_to_pos(Pos, _Attrs) when is_integer(Pos) ->
Pos;
@@ -723,7 +759,7 @@ attr_to_pos(Attr, [_ | Attrs], Pos) ->
attr_to_pos(Attr, Attrs, Pos + 1);
attr_to_pos(Attr, _, _) ->
mnesia:abort({bad_type, Attr}).
-
+
check_keys(Tab, [{Key, _Val} | Tail], Items) ->
case lists:member(Key, Items) of
true -> [Key | check_keys(Tab, Tail, Items)];
@@ -759,7 +795,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
{bad_type, Tab, {type, Type}}),
%% Currently ordered_set is not supported for disk_only_copies.
- if
+ if
Type == ordered_set, Cs#cstruct.disc_only_copies /= [] ->
mnesia:abort({bad_type, Tab, {not_supported, Type, disc_only_copies}});
true ->
@@ -776,10 +812,10 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
Arity = length(Attrs) + 1,
verify(true, Arity > 2, {bad_type, Tab, {attributes, Attrs}}),
-
+
lists:foldl(fun(Attr,_Other) when Attr == snmp ->
mnesia:abort({bad_type, Tab, {attributes, [Attr]}});
- (Attr,Other) ->
+ (Attr,Other) ->
verify(atom, mnesia_lib:etype(Attr),
{bad_type, Tab, {attributes, [Attr]}}),
verify(false, lists:member(Attr, Other),
@@ -792,7 +828,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
Index = Cs#cstruct.index,
verify({alt, [nil, list]}, mnesia_lib:etype(Index),
{bad_type, Tab, {index, Index}}),
-
+
IxFun =
fun(Pos) ->
verify(true, fun() ->
@@ -807,7 +843,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
{bad_type, Tab, {index, [Pos]}})
end,
lists:foreach(IxFun, Index),
-
+
LC = Cs#cstruct.local_content,
verify({alt, [true, false]}, LC,
{bad_type, Tab, {local_content, LC}}),
@@ -834,7 +870,7 @@ verify_cstruct(Cs) when is_record(Cs, cstruct) ->
lists:foreach(CheckProp, Cs#cstruct.user_properties),
case Cs#cstruct.cookie of
- {{MegaSecs, Secs, MicroSecs}, _Node}
+ {{MegaSecs, Secs, MicroSecs}, _Node}
when is_integer(MegaSecs), is_integer(Secs),
is_integer(MicroSecs), is_atom(node) ->
ok;
@@ -870,15 +906,15 @@ verify_nodes(Cs) ->
end,
verify(integer, mnesia_lib:etype(LoadOrder),
{bad_type, Tab, {load_order, LoadOrder}}),
-
+
Nodes = Ram ++ Disc ++ DiscOnly,
verify(list, mnesia_lib:etype(Nodes),
{combine_error, Tab,
[{ram_copies, []}, {disc_copies, []}, {disc_only_copies, []}]}),
verify(false, has_duplicates(Nodes), {combine_error, Tab, Nodes}),
- AtomCheck = fun(N) -> verify(atom, mnesia_lib:etype(N), {bad_type, Tab, N}) end,
+ AtomCheck = fun(N) -> verify(atom, mnesia_lib:etype(N), {bad_type, Tab, N}) end,
lists:foreach(AtomCheck, Nodes).
-
+
verify(Expected, Fun, Error) when is_function(Fun) ->
do_verify(Expected, catch Fun(), Error);
verify(Expected, Actual, Error) ->
@@ -909,7 +945,7 @@ ensure_active(Cs, What) ->
W = {Tab, What},
ensure_non_empty(W),
Nodes = mnesia_lib:intersect(val({schema, disc_copies}),
- mnesia_lib:cs_to_nodes(Cs)),
+ mnesia_lib:cs_to_nodes(Cs)),
case Nodes -- val(W) of
[] ->
ok;
@@ -936,7 +972,7 @@ ensure_non_empty({Tab, Vhat}) ->
ensure_not_active(Tab = schema, Node) ->
Active = val({Tab, active_replicas}),
- case lists:member(Node, Active) of
+ case lists:member(Node, Active) of
false when Active =/= [] ->
ok;
false ->
@@ -970,7 +1006,7 @@ create_table(TabDef) ->
do_multi_create_table(TabDef) ->
get_tid_ts_and_lock(schema, write),
ensure_writable(schema),
- Cs = list2cs(TabDef),
+ Cs = api_list2cs(TabDef),
case Cs#cstruct.frag_properties of
[] ->
do_create_table(Cs);
@@ -999,7 +1035,7 @@ unsafe_make_create_table(Cs) ->
{_Mod, Tid, Ts} = get_tid_ts_and_lock(schema, none),
verify_cstruct(Cs),
Tab = Cs#cstruct.name,
-
+
%% Check that we have all disc replica nodes running
DiscNodes = Cs#cstruct.disc_copies ++ Cs#cstruct.disc_only_copies,
RunningNodes = val({current, db_nodes}),
@@ -1017,7 +1053,7 @@ unsafe_make_create_table(Cs) ->
check_if_exists(Tab) ->
TidTs = get_tid_ts_and_lock(schema, write),
{_, _, Ts} = TidTs,
- Store = Ts#tidstore.store,
+ Store = Ts#tidstore.store,
ets:foldl(
fun({op, create_table, [{name, T}|_]}, _Acc) when T==Tab ->
true;
@@ -1054,7 +1090,7 @@ make_delete_table(Tab, Mode) ->
%% nodes etc.
TidTs = get_tid_ts_and_lock(schema, write),
{_, _, Ts} = TidTs,
- Store = Ts#tidstore.store,
+ Store = Ts#tidstore.store,
Deleted = ets:select_delete(
Store, [{{op,'$1',[{name,Tab}|'_']},
[{'or',
@@ -1077,9 +1113,9 @@ make_delete_table(Tab, Mode) ->
[] ->
[make_delete_table2(Tab)];
_Props ->
- %% Check if it is a base table
- mnesia_frag:lookup_frag_hash(Tab),
-
+ %% Check if it is a base table
+ mnesia_frag:lookup_frag_hash(Tab),
+
%% Check for foreigners
F = mnesia_frag:lookup_foreigners(Tab),
verify([], F, {combine_error,
@@ -1101,7 +1137,7 @@ make_delete_table2(Tab) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Change fragmentation of a table
-
+
change_table_frag(Tab, Change) ->
schema_transaction(fun() -> do_change_table_frag(Tab, Change) end).
@@ -1112,7 +1148,7 @@ do_change_table_frag(Tab, Change) when is_atom(Tab), Tab /= schema ->
ok;
do_change_table_frag(Tab, _Change) ->
mnesia:abort({bad_type, Tab}).
-
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Clear a table
@@ -1150,7 +1186,7 @@ make_add_table_copy(Tab, Node, Storage) ->
verify(false, lists:member(Node, Ns), {already_exists, Tab, Node}),
Cs2 = new_cs(Cs, Node, Storage, add),
verify_cstruct(Cs2),
-
+
%% Check storage and if node is running
IsRunning = lists:member(Node, val({current, db_nodes})),
if
@@ -1177,21 +1213,21 @@ del_table_copy(Tab, Node) ->
do_del_table_copy(Tab, Node) when is_atom(Node) ->
TidTs = get_tid_ts_and_lock(schema, write),
-%% get_tid_ts_and_lock(Tab, write),
+%% get_tid_ts_and_lock(Tab, write),
insert_schema_ops(TidTs, make_del_table_copy(Tab, Node));
do_del_table_copy(Tab, Node) ->
mnesia:abort({badarg, Tab, Node}).
-
+
make_del_table_copy(Tab, Node) ->
ensure_writable(schema),
Cs = incr_version(val({Tab, cstruct})),
Storage = mnesia_lib:schema_cs_to_storage_type(Node, Cs),
- Cs2 = new_cs(Cs, Node, Storage, del),
+ Cs2 = new_cs(Cs, Node, Storage, del),
case mnesia_lib:cs_to_nodes(Cs2) of
[] when Tab == schema ->
mnesia:abort({combine_error, Tab, "Last replica"});
[] ->
- ensure_active(Cs),
+ ensure_active(Cs),
dbg_out("Last replica deleted in table ~p~n", [Tab]),
make_delete_table(Tab, whole_table);
_ when Tab == schema ->
@@ -1210,14 +1246,14 @@ remove_node_from_tabs([], _Node) ->
[];
remove_node_from_tabs([schema|Rest], Node) ->
remove_node_from_tabs(Rest, Node);
-remove_node_from_tabs([Tab|Rest], Node) ->
- {Cs, IsFragModified} =
+remove_node_from_tabs([Tab|Rest], Node) ->
+ {Cs, IsFragModified} =
mnesia_frag:remove_node(Node, incr_version(val({Tab, cstruct}))),
case mnesia_lib:schema_cs_to_storage_type(Node, Cs) of
unknown ->
case IsFragModified of
true ->
- [{op, change_table_frag, {del_node, Node}, cs2list(Cs)} |
+ [{op, change_table_frag, {del_node, Node}, cs2list(Cs)} |
remove_node_from_tabs(Rest, Node)];
false ->
remove_node_from_tabs(Rest, Node)
@@ -1246,7 +1282,7 @@ new_cs(Cs, Node, ram_copies, del) ->
new_cs(Cs, Node, disc_copies, del) ->
Cs#cstruct{disc_copies = lists:delete(Node , Cs#cstruct.disc_copies)};
new_cs(Cs, Node, disc_only_copies, del) ->
- Cs#cstruct{disc_only_copies =
+ Cs#cstruct{disc_only_copies =
lists:delete(Node , Cs#cstruct.disc_only_copies)};
new_cs(Cs, _Node, Storage, _Op) ->
mnesia:abort({badarg, Cs#cstruct.name, Storage}).
@@ -1278,7 +1314,7 @@ make_move_table(Tab, FromNode, ToNode) ->
Running = val({current, db_nodes}),
Storage = mnesia_lib:schema_cs_to_storage_type(FromNode, Cs),
verify(true, lists:member(ToNode, Running), {not_active, schema, ToNode}),
-
+
Cs2 = new_cs(Cs, ToNode, Storage, add),
Cs3 = new_cs(Cs2, FromNode, Storage, del),
verify_cstruct(Cs3),
@@ -1306,7 +1342,7 @@ make_change_table_copy_type(Tab, Node, unknown) ->
make_change_table_copy_type(Tab, Node, ToS) ->
ensure_writable(schema),
Cs = incr_version(val({Tab, cstruct})),
- FromS = mnesia_lib:storage_type_at_node(Node, Tab),
+ FromS = mnesia_lib:storage_type_at_node(Node, Tab),
case compare_storage_type(false, FromS, ToS) of
{same, _} ->
@@ -1320,12 +1356,12 @@ make_change_table_copy_type(Tab, Node, ToS) ->
Cs2 = new_cs(Cs, Node, FromS, del),
Cs3 = new_cs(Cs2, Node, ToS, add),
verify_cstruct(Cs3),
-
+
[{op, change_table_copy_type, Node, FromS, ToS, cs2list(Cs3)}].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% change index functions ....
-%% Pos is allready added by 1 in both of these functions
+%% Pos is allready added by 1 in both of these functions
add_table_index(Tab, Pos) ->
schema_transaction(fun() -> do_add_table_index(Tab, Pos) end).
@@ -1412,14 +1448,14 @@ make_del_snmp(Tab) ->
[{op, del_snmp, cs2list(Cs2)}].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%
+%%
-transform_table(Tab, Fun, NewAttrs, NewRecName)
- when is_function(Fun), is_list(NewAttrs), is_atom(NewRecName) ->
+transform_table(Tab, Fun, NewAttrs, NewRecName)
+ when is_function(Fun), is_list(NewAttrs), is_atom(NewRecName) ->
schema_transaction(fun() -> do_transform_table(Tab, Fun, NewAttrs, NewRecName) end);
-transform_table(Tab, ignore, NewAttrs, NewRecName)
- when is_list(NewAttrs), is_atom(NewRecName) ->
+transform_table(Tab, ignore, NewAttrs, NewRecName)
+ when is_list(NewAttrs), is_atom(NewRecName) ->
schema_transaction(fun() -> do_transform_table(Tab, ignore, NewAttrs, NewRecName) end);
transform_table(Tab, Fun, NewAttrs, NewRecName) ->
@@ -1438,7 +1474,7 @@ make_transform(Tab, Fun, NewAttrs, NewRecName) ->
ensure_active(Cs),
ensure_writable(Tab),
case mnesia_lib:val({Tab, index}) of
- [] ->
+ [] ->
Cs2 = Cs#cstruct{attributes = NewAttrs, record_name = NewRecName},
verify_cstruct(Cs2),
[{op, transform, Fun, cs2list(Cs2)}];
@@ -1464,7 +1500,7 @@ make_transform(Tab, Fun, NewAttrs, NewRecName) ->
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%
+%%
change_table_access_mode(Tab, Mode) ->
schema_transaction(fun() -> do_change_table_access_mode(Tab, Mode) end).
@@ -1598,9 +1634,9 @@ change_prop_in_existing_op(Tab, Prop, How, Store) ->
false ->
false
end.
-
-update_existing_op([{op, Op, L = [{name,Tab}|_], _OldProp}|Ops],
- Tab, Prop, How, Acc) when Op == write_property;
+
+update_existing_op([{op, Op, L = [{name,Tab}|_], _OldProp}|Ops],
+ Tab, Prop, How, Acc) when Op == write_property;
Op == delete_property ->
%% Apparently, mnesia_dumper doesn't care about OldProp here -- just L,
%% so we will throw away OldProp (not that it matters...) and insert Prop.
@@ -1625,7 +1661,7 @@ update_existing_op([], _, _, _, _) ->
do_read_table_property(Tab, Key) ->
TidTs = get_tid_ts_and_lock(schema, read),
{_, _, Ts} = TidTs,
- Store = Ts#tidstore.store,
+ Store = Ts#tidstore.store,
Props = ets:foldl(
fun({op, create_table, [{name, T}|Opts]}, _Acc)
when T==Tab ->
@@ -1689,7 +1725,7 @@ do_delete_table_property(Tab, PropKey) ->
[Tab,PropKey]),
%% this must be an existing table
get_tid_ts_and_lock(Tab, none),
- insert_schema_ops(TidTs,
+ insert_schema_ops(TidTs,
make_delete_table_properties(Tab, [PropKey]))
end.
@@ -1711,17 +1747,17 @@ make_delete_table_properties(_Tab, [], _Cs) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Ensure that the transaction can be committed even
+%% Ensure that the transaction can be committed even
%% if the node crashes and Mnesia is restarted
prepare_commit(Tid, Commit, WaitFor) ->
case Commit#commit.schema_ops of
[] ->
{false, Commit, optional};
OrigOps ->
- {Modified, Ops, DumperMode} =
+ {Modified, Ops, DumperMode} =
prepare_ops(Tid, OrigOps, WaitFor, false, [], optional),
InitBy = schema_prepare,
- GoodRes = {Modified,
+ GoodRes = {Modified,
Commit#commit{schema_ops = lists:reverse(Ops)},
DumperMode},
case DumperMode of
@@ -1737,7 +1773,7 @@ prepare_commit(Tid, Commit, WaitFor) ->
end
end,
case Ops of
- [] ->
+ [] ->
ignore;
_ ->
%% We need to grab a dumper lock here, the log may not
@@ -1749,20 +1785,20 @@ prepare_commit(Tid, Commit, WaitFor) ->
prepare_ops(Tid, [Op | Ops], WaitFor, Changed, Acc, DumperMode) ->
case prepare_op(Tid, Op, WaitFor) of
- {true, mandatory} ->
+ {true, mandatory} ->
prepare_ops(Tid, Ops, WaitFor, Changed, [Op | Acc], mandatory);
- {true, optional} ->
+ {true, optional} ->
prepare_ops(Tid, Ops, WaitFor, Changed, [Op | Acc], DumperMode);
- {true, Ops2, mandatory} ->
+ {true, Ops2, mandatory} ->
prepare_ops(Tid, Ops, WaitFor, true, Ops2 ++ Acc, mandatory);
- {true, Ops2, optional} ->
+ {true, Ops2, optional} ->
prepare_ops(Tid, Ops, WaitFor, true, Ops2 ++ Acc, DumperMode);
- {false, optional} ->
+ {false, optional} ->
prepare_ops(Tid, Ops, WaitFor, true, Acc, DumperMode)
end;
prepare_ops(_Tid, [], _WaitFor, Changed, Acc, DumperMode) ->
{Changed, Acc, DumperMode}.
-
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Prepare for commit
%% returns true if Op should be included, i.e. unmodified
@@ -1781,8 +1817,8 @@ prepare_op(_Tid, {op, rec, unknown, Rec}, _WaitFor) ->
prepare_op(_Tid, {op, announce_im_running, Node, SchemaDef, Running, RemoteRunning}, _WaitFor) ->
SchemaCs = list2cs(SchemaDef),
- if
- Node == node() -> %% Announce has already run on local node
+ if
+ Node == node() -> %% Announce has already run on local node
ignore; %% from do_merge_schema
true ->
%% If a node has restarted it may still linger in db_nodes,
@@ -1794,9 +1830,9 @@ prepare_op(_Tid, {op, announce_im_running, Node, SchemaDef, Running, RemoteRunni
end,
{false, optional};
-prepare_op(_Tid, {op, sync_trans}, {part, CoordPid}) ->
+prepare_op(_Tid, {op, sync_trans}, {part, CoordPid}) ->
CoordPid ! {sync_trans, self()},
- receive
+ receive
{sync_trans, CoordPid} ->
{false, optional};
{mnesia_down, _Node} = Else ->
@@ -1807,7 +1843,7 @@ prepare_op(_Tid, {op, sync_trans}, {part, CoordPid}) ->
mnesia:abort(Else)
end;
-prepare_op(_Tid, {op, sync_trans}, {coord, Nodes}) ->
+prepare_op(_Tid, {op, sync_trans}, {coord, Nodes}) ->
case receive_sync(Nodes, []) of
{abort, Reason} ->
mnesia_lib:verbose("sync_op terminated due to ~p~n", [Reason]),
@@ -1838,7 +1874,7 @@ prepare_op(Tid, {op, create_table, TabDef}, _WaitFor) ->
create_ram_table(Tab, Cs#cstruct.type),
create_disc_table(Tab),
insert_cstruct(Tid, Cs, false),
- {true, optional};
+ {true, optional};
disc_only_copies ->
mnesia_lib:set({Tab, create_table},true),
create_disc_only_table(Tab,Cs#cstruct.type),
@@ -1857,15 +1893,15 @@ prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}, _WaitFor) ->
if
Tab == schema ->
{true, optional};
-
+
Node == node() ->
- case mnesia_lib:val({schema, storage_type}) of
- ram_copies when Storage /= ram_copies ->
+ case mnesia_lib:val({schema, storage_type}) of
+ ram_copies when Storage /= ram_copies ->
Error = {combine_error, Tab, "has no disc", Node},
mnesia:abort(Error);
_ ->
ok
- end,
+ end,
%% Tables are created by mnesia_loader get_network code
insert_cstruct(Tid, Cs, true),
case mnesia_controller:get_network_copy(Tab, Cs) of
@@ -1902,22 +1938,22 @@ prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}, _WaitFor) ->
prepare_op(Tid, {op, del_table_copy, _Storage, Node, TabDef}, _WaitFor) ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
-
+
if
%% Schema table lock is always required to run a schema op.
%% No need to look it.
- node(Tid#tid.pid) == node(), Tab /= schema ->
+ node(Tid#tid.pid) == node(), Tab /= schema ->
Self = self(),
Pid = spawn_link(fun() -> lock_del_table(Tab, Node, Cs, Self) end),
put(mnesia_lock, Pid),
- receive
- {Pid, updated} ->
+ receive
+ {Pid, updated} ->
{true, optional};
{Pid, FailReason} ->
mnesia:abort(FailReason);
{'EXIT', Pid, Reason} ->
mnesia:abort(Reason)
- end;
+ end;
true ->
{true, optional}
end;
@@ -1928,12 +1964,12 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
Tab = Cs#cstruct.name,
NotActive = mnesia_lib:not_active_here(Tab),
-
- if
+
+ if
NotActive == true ->
mnesia:abort({not_active, Tab, node()});
-
- Tab == schema ->
+
+ Tab == schema ->
case {FromS, ToS} of
{ram_copies, disc_copies} ->
case mnesia:system_info(schema_location) of
@@ -1943,7 +1979,7 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
mnesia:abort({combine_error, Tab, node(),
"schema_location must be opt_disc"})
end,
- Dir = mnesia_lib:dir(),
+ Dir = mnesia_lib:dir(),
case opt_create_dir(true, Dir) of
ok ->
purge_dir(Dir, []),
@@ -1967,18 +2003,18 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
_ ->
mnesia:abort({combine_error, Tab, ToS})
end;
-
- FromS == ram_copies ->
+
+ FromS == ram_copies ->
case mnesia_monitor:use_dir() of
- true ->
+ true ->
Dat = mnesia_lib:tab2dcd(Tab),
case mnesia_lib:exists(Dat) of
true ->
mnesia:abort({combine_error, Tab, node(),
"Table dump exists"});
false ->
- case ToS of
- disc_copies ->
+ case ToS of
+ disc_copies ->
mnesia_log:ets2dcd(Tab, dmp);
disc_only_copies ->
mnesia_dumper:raw_named_dump_table(Tab, dmp)
@@ -1988,7 +2024,7 @@ prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef}, _WaitFor)
false ->
mnesia:abort({has_no_disc, node()})
end;
-
+
FromS == disc_copies, ToS == disc_only_copies ->
mnesia_dumper:raw_named_dump_table(Tab, dmp);
FromS == disc_only_copies ->
@@ -2020,7 +2056,7 @@ prepare_op(_Tid, {op, dump_table, unknown, TabDef}, _WaitFor) ->
case lists:member(node(), Cs#cstruct.ram_copies) of
true ->
case mnesia_monitor:use_dir() of
- true ->
+ true ->
mnesia_log:ets2dcd(Tab, dmp),
Size = mnesia:table_info(Tab, size),
{true, [{op, dump_table, Size, TabDef}], optional};
@@ -2058,7 +2094,7 @@ prepare_op(_Tid, {op, transform, Fun, TabDef}, _WaitFor) ->
mnesia_lib:db_fixtable(Storage, Tab, true),
Key = mnesia_lib:db_first(Tab),
Op = {op, transform, Fun, TabDef},
- case catch transform_objs(Fun, Tab, RecName,
+ case catch transform_objs(Fun, Tab, RecName,
Key, NewArity, Storage, Type, [Op]) of
{'EXIT', Reason} ->
mnesia_lib:db_fixtable(Storage, Tab, false),
@@ -2072,7 +2108,7 @@ prepare_op(_Tid, {op, transform, Fun, TabDef}, _WaitFor) ->
prepare_op(_Tid, {op, merge_schema, TabDef}, _WaitFor) ->
Cs = list2cs(TabDef),
case verify_merge(Cs) of
- ok ->
+ ok ->
{true, optional};
Error ->
verbose("Merge_Schema ~p failed on ~p: ~p~n", [_Tid,node(),Error]),
@@ -2093,7 +2129,7 @@ create_ram_table(Tab, Type) ->
create_disc_table(Tab) ->
File = mnesia_lib:tab2dcd(Tab),
file:delete(File),
- FArg = [{file, File}, {name, {mnesia,create}},
+ FArg = [{file, File}, {name, {mnesia,create}},
{repair, false}, {mode, read_write}],
case mnesia_monitor:open_log(FArg) of
{ok,Log} ->
@@ -2124,7 +2160,7 @@ receive_sync([], Pids) ->
receive_sync(Nodes, Pids) ->
receive
{sync_trans, Pid} ->
- Node = node(Pid),
+ Node = node(Pid),
receive_sync(lists:delete(Node, Nodes), [Pid | Pids]);
Else ->
{abort, Else}
@@ -2140,16 +2176,16 @@ lock_del_table(Tab, Node, Cs, Father) ->
false;
({badrpc, {'EXIT', {undef, _}}}) ->
%% This will be the case we talks with elder nodes
- %% than 3.8.2, they will set where_to_read without
- %% getting a lock.
+ %% than 3.8.2, they will set where_to_read without
+ %% getting a lock.
false;
(_) ->
true
end,
case lists:filter(Filter, Res) of
- [] ->
+ [] ->
Father ! {self(), updated},
- %% When transaction is commited the process dies
+ %% When transaction is commited the process dies
%% and the lock is released.
receive _ -> ok end;
Err ->
@@ -2166,7 +2202,7 @@ lock_del_table(Tab, Node, Cs, Father) ->
exit(normal).
set_where_to_read(Tab, Node, Cs) ->
- case mnesia_lib:val({Tab, where_to_read}) of
+ case mnesia_lib:val({Tab, where_to_read}) of
Node ->
case Cs#cstruct.local_content of
true ->
@@ -2185,16 +2221,16 @@ transform_objs(_Fun, _Tab, _RT, '$end_of_table', _NewArity, _Storage, _Type, Acc
transform_objs(Fun, Tab, RecName, Key, A, Storage, Type, Acc) ->
Objs = mnesia_lib:db_get(Tab, Key),
NextKey = mnesia_lib:db_next_key(Tab, Key),
- Oid = {Tab, Key},
+ Oid = {Tab, Key},
NewObjs = {Ws, Ds} = transform_obj(Tab, RecName, Key, Fun, Objs, A, Type, [], []),
- if
- NewObjs == {[], []} ->
+ if
+ NewObjs == {[], []} ->
transform_objs(Fun, Tab, RecName, NextKey, A, Storage, Type, Acc);
- Type == bag ->
+ Type == bag ->
transform_objs(Fun, Tab, RecName, NextKey, A, Storage, Type,
[{op, rec, Storage, {Oid, Ws, write}},
{op, rec, Storage, {Oid, [Oid], delete}} | Acc]);
- Ds == [] ->
+ Ds == [] ->
%% Type is set or ordered_set, no need to delete the record first
transform_objs(Fun, Tab, RecName, NextKey, A, Storage, Type,
[{op, rec, Storage, {Oid, Ws, write}} | Acc]);
@@ -2215,15 +2251,15 @@ transform_obj(Tab, RecName, Key, Fun, [Obj|Rest], NewArity, Type, Ws, Ds) ->
NewObj == Obj ->
transform_obj(Tab, RecName, Key, Fun, Rest, NewArity, Type, Ws, Ds);
RecName == element(1, NewObj), Key == element(2, NewObj) ->
- transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
+ transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
Type, [NewObj | Ws], Ds);
- NewObj == delete ->
- case Type of
+ NewObj == delete ->
+ case Type of
bag -> %% Just don't write that object
- transform_obj(Tab, RecName, Key, Fun, Rest,
- NewArity, Type, Ws, Ds);
+ transform_obj(Tab, RecName, Key, Fun, Rest,
+ NewArity, Type, Ws, Ds);
_ ->
- transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
+ transform_obj(Tab, RecName, Key, Fun, Rest, NewArity,
Type, Ws, [NewObj | Ds])
end;
true ->
@@ -2247,7 +2283,7 @@ undo_prepare_commit(Tid, Commit) ->
%% Undo in reverse order
undo_prepare_ops(Tid, [Op | Ops]) ->
- case element(1, Op) of
+ case element(1, Op) of
TheOp when TheOp /= op, TheOp /= restore_op ->
undo_prepare_ops(Tid, Ops);
_ ->
@@ -2274,7 +2310,7 @@ undo_prepare_op(Tid, {op, create_table, TabDef}) ->
mnesia_lib:unset({Tab, create_table}),
delete_cstruct(Tid, Cs),
case mnesia_lib:cs_to_storage_type(node(), Cs) of
- unknown ->
+ unknown ->
ok;
ram_copies ->
ram_delete_table(Tab, ram_copies);
@@ -2289,7 +2325,7 @@ undo_prepare_op(Tid, {op, create_table, TabDef}) ->
%% disc_delete_table(Tab, Storage),
file:delete(Dat)
end;
-
+
undo_prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}) ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
@@ -2314,21 +2350,21 @@ undo_prepare_op(Tid, {op, add_table_copy, Storage, Node, TabDef}) ->
Cs2 = new_cs(Cs, Node, Storage, del),
insert_cstruct(Tid, Cs2, true) % Don't care about the version
end;
-
-undo_prepare_op(_Tid, {op, del_table_copy, _, Node, TabDef})
+
+undo_prepare_op(_Tid, {op, del_table_copy, _, Node, TabDef})
when Node == node() ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
mnesia_lib:set({Tab, where_to_read}, Node);
-undo_prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef})
+undo_prepare_op(_Tid, {op, change_table_copy_type, N, FromS, ToS, TabDef})
when N == node() ->
Cs = list2cs(TabDef),
Tab = Cs#cstruct.name,
mnesia_checkpoint:tm_change_table_copy_type(Tab, ToS, FromS),
Dmp = mnesia_lib:tab2dmp(Tab),
-
+
case {FromS, ToS} of
{ram_copies, disc_copies} when Tab == schema ->
file:delete(Dmp),
@@ -2382,9 +2418,9 @@ ram_delete_table(Tab, Storage) ->
ignore;
disc_only_copies ->
ignore;
- _Else ->
+ _Else ->
%% delete possible index files and data .....
- %% Got to catch this since if no info has been set in the
+ %% Got to catch this since if no info has been set in the
%% mnesia_gvar it will crash
catch mnesia_index:del_transient(Tab, Storage),
case ?catch_val({Tab, {index, snmp}}) of
@@ -2454,7 +2490,7 @@ has_known_suffix(File, [Suffix | Tail], false) ->
has_known_suffix(File, Tail, lists:suffix(Suffix, File));
has_known_suffix(_File, [], Bool) ->
Bool.
-
+
known_suffixes() -> real_suffixes() ++ tmp_suffixes().
real_suffixes() -> [".DAT", ".LOG", ".BUP", ".DCL", ".DCD"].
@@ -2477,11 +2513,11 @@ info2(Tab, [{frag_hash, _V} | Tail]) -> % Ignore frag_hash
info2(Tab, [{P, V} | Tail]) ->
io:format("~-20w -> ~p~n",[P,V]),
info2(Tab, Tail);
-info2(_, []) ->
+info2(_, []) ->
io:format("~n", []).
get_table_properties(Tab) ->
- case catch mnesia_lib:db_match_object(ram_copies,
+ case catch mnesia_lib:db_match_object(ram_copies,
mnesia_gvar, {{Tab, '_'}, '_'}) of
{'EXIT', _} ->
mnesia:abort({no_exists, Tab, all});
@@ -2509,9 +2545,9 @@ get_table_properties(Tab) ->
recs = error_recs
}).
-restore(Opaque) ->
+restore(Opaque) ->
restore(Opaque, [], mnesia_monitor:get_env(backup_module)).
-restore(Opaque, Args) when is_list(Args) ->
+restore(Opaque, Args) when is_list(Args) ->
restore(Opaque, Args, mnesia_monitor:get_env(backup_module));
restore(_Opaque, BadArg) ->
{aborted, {badarg, BadArg}}.
@@ -2522,7 +2558,7 @@ restore(Opaque, Args, Module) when is_list(Args), is_atom(Module) ->
case mnesia_bup:read_schema(R#r.module, Opaque) of
{error, Reason} ->
{aborted, Reason};
- BupSchema ->
+ BupSchema ->
schema_transaction(fun() -> do_restore(R, BupSchema) end)
end;
{'EXIT', Reason} ->
@@ -2556,8 +2592,8 @@ check_restore_arg({keep_tables, List}, R) when is_list(List) ->
check_restore_arg({skip_tables, List}, R) when is_list(List) ->
TableList = [{Tab, skip_tables} || Tab <- List],
R#r{table_options = R#r.table_options ++ TableList};
-check_restore_arg({default_op, Op}, R) ->
- case Op of
+check_restore_arg({default_op, Op}, R) ->
+ case Op of
clear_tables -> ok;
recreate_tables -> ok;
keep_tables -> ok;
@@ -2588,12 +2624,12 @@ restore_items([Rec | Recs], Header, Schema, R) ->
case lists:keysearch(Tab, 1, R#r.tables) of
{value, {Tab, Where0, Snmp, RecName}} ->
Where = case Where0 of
- undefined ->
+ undefined ->
val({Tab, where_to_commit});
_ ->
Where0
end,
- {Rest, NRecs} = restore_tab_items([Rec | Recs], Tab,
+ {Rest, NRecs} = restore_tab_items([Rec | Recs], Tab,
RecName, Where, Snmp,
R#r.recs, R#r.insert_op),
restore_items(Rest, Header, Schema, R#r{recs = NRecs});
@@ -2601,12 +2637,12 @@ restore_items([Rec | Recs], Header, Schema, R) ->
Rest = skip_tab_items(Recs, Tab),
restore_items(Rest, Header, Schema, R)
end;
-
+
restore_items([], _Header, _Schema, R) ->
R.
restore_func(Tab, R) ->
- case lists:keysearch(Tab, 1, R#r.table_options) of
+ case lists:keysearch(Tab, 1, R#r.table_options) of
{value, {Tab, OP}} ->
OP;
false ->
@@ -2618,24 +2654,24 @@ where_to_commit(Tab, CsList) ->
Disc = [{N, disc_copies} || N <- pick(Tab, disc_copies, CsList, [])],
DiscO = [{N, disc_only_copies} || N <- pick(Tab, disc_only_copies, CsList, [])],
Ram ++ Disc ++ DiscO.
-
+
%% Changes of the Meta info of schema itself is not allowed
restore_schema([{schema, schema, _List} | Schema], R) ->
restore_schema(Schema, R);
restore_schema([{schema, Tab, List} | Schema], R) ->
case restore_func(Tab, R) of
- clear_tables ->
+ clear_tables ->
do_clear_table(Tab),
- Snmp = val({Tab, snmp}),
- RecName = val({Tab, record_name}),
+ Snmp = val({Tab, snmp}),
+ RecName = val({Tab, record_name}),
R2 = R#r{tables = [{Tab, undefined, Snmp, RecName} | R#r.tables]},
restore_schema(Schema, R2);
- recreate_tables ->
+ recreate_tables ->
case ?catch_val({Tab, cstruct}) of
- {'EXIT', _} ->
+ {'EXIT', _} ->
TidTs = {_Mod, Tid, Ts} = get(mnesia_activity_state),
RunningNodes = val({current, db_nodes}),
- Nodes = mnesia_lib:intersect(mnesia_lib:cs_to_nodes(list2cs(List)),
+ Nodes = mnesia_lib:intersect(mnesia_lib:cs_to_nodes(list2cs(List)),
RunningNodes),
mnesia_locker:wlock_no_exist(Tid, Ts#tidstore.store, Tab, Nodes),
TidTs;
@@ -2643,20 +2679,20 @@ restore_schema([{schema, Tab, List} | Schema], R) ->
TidTs = get_tid_ts_and_lock(Tab, write)
end,
NC = {cookie, ?unique_cookie},
- List2 = lists:keyreplace(cookie, 1, List, NC),
+ List2 = lists:keyreplace(cookie, 1, List, NC),
Where = where_to_commit(Tab, List2),
Snmp = pick(Tab, snmp, List2, []),
RecName = pick(Tab, record_name, List2, Tab),
insert_schema_ops(TidTs, [{op, restore_recreate, List2}]),
R2 = R#r{tables = [{Tab, Where, Snmp, RecName} | R#r.tables]},
restore_schema(Schema, R2);
- keep_tables ->
+ keep_tables ->
get_tid_ts_and_lock(Tab, write),
Snmp = val({Tab, snmp}),
- RecName = val({Tab, record_name}),
+ RecName = val({Tab, record_name}),
R2 = R#r{tables = [{Tab, undefined, Snmp, RecName} | R#r.tables]},
restore_schema(Schema, R2);
- skip_tables ->
+ skip_tables ->
restore_schema(Schema, R)
end;
@@ -2667,7 +2703,7 @@ restore_schema([{schema, Tab} | Schema], R) ->
restore_schema([], R) ->
R.
-restore_tab_items([Rec | Rest], Tab, RecName, Where, Snmp, Recs, Op)
+restore_tab_items([Rec | Rest], Tab, RecName, Where, Snmp, Recs, Op)
when element(1, Rec) == Tab ->
NewRecs = Op(Rec, Recs, RecName, Where, Snmp),
restore_tab_items(Rest, Tab, RecName, Where, Snmp, NewRecs, Op);
@@ -2675,7 +2711,7 @@ restore_tab_items([Rec | Rest], Tab, RecName, Where, Snmp, Recs, Op)
restore_tab_items(Rest, _Tab, _RecName, _Where, _Snmp, Recs, _Op) ->
{Rest, Recs}.
-skip_tab_items([Rec| Rest], Tab)
+skip_tab_items([Rec| Rest], Tab)
when element(1, Rec) == Tab ->
skip_tab_items(Rest, Tab);
skip_tab_items(Recs, _) ->
@@ -2710,7 +2746,6 @@ merge_schema() ->
merge_schema(UserFun) ->
schema_transaction(fun() -> UserFun(fun(Arg) -> do_merge_schema(Arg) end) end).
-
do_merge_schema(LockTabs0) ->
{_Mod, Tid, Ts} = get_tid_ts_and_lock(schema, write),
LockTabs = [{T, tab_to_nodes(T)} || T <- LockTabs0],
@@ -2732,14 +2767,14 @@ do_merge_schema(LockTabs0) ->
[mnesia_locker:wlock_no_exist(
Tid, Store, T, mnesia_lib:intersect(Ns, OtherNodes))
|| {T,Ns} <- LockTabs],
- case rpc:call(Node, mnesia_controller, get_cstructs, []) of
+ case fetch_cstructs(Node) of
{cstructs, Cstructs, RemoteRunning1} ->
LockedAlready = Running ++ [Node],
{New, Old} = mnesia_recover:connect_nodes(RemoteRunning1),
RemoteRunning = mnesia_lib:intersect(New ++ Old, RemoteRunning1),
- if
+ if
RemoteRunning /= RemoteRunning1 ->
- mnesia_lib:error("Mnesia on ~p could not connect to node(s) ~p~n",
+ mnesia_lib:error("Mnesia on ~p could not connect to node(s) ~p~n",
[node(), RemoteRunning1 -- RemoteRunning]),
mnesia:abort({node_not_running, RemoteRunning1 -- RemoteRunning});
true -> ok
@@ -2749,24 +2784,24 @@ do_merge_schema(LockTabs0) ->
[mnesia_locker:wlock_no_exist(Tid, Store, T,
mnesia_lib:intersect(Ns,NeedsLock))
|| {T,Ns} <- LockTabs],
- {value, SchemaCs} =
- lists:keysearch(schema, #cstruct.name, Cstructs),
+ NeedsConversion = need_old_cstructs(NeedsLock ++ LockedAlready),
+ {value, SchemaCs} = lists:keysearch(schema, #cstruct.name, Cstructs),
+ SchemaDef = cs2list(NeedsConversion, SchemaCs),
%% Announce that Node is running
- A = [{op, announce_im_running, node(),
- cs2list(SchemaCs), Running, RemoteRunning}],
+ A = [{op, announce_im_running, node(), SchemaDef, Running, RemoteRunning}],
do_insert_schema_ops(Store, A),
-
+
%% Introduce remote tables to local node
- do_insert_schema_ops(Store, make_merge_schema(Node, Cstructs)),
-
+ do_insert_schema_ops(Store, make_merge_schema(Node, NeedsConversion, Cstructs)),
+
%% Introduce local tables to remote nodes
Tabs = val({schema, tables}),
Ops = [{op, merge_schema, get_create_list(T)}
|| T <- Tabs,
not lists:keymember(T, #cstruct.name, Cstructs)],
do_insert_schema_ops(Store, Ops),
-
+
%% Ensure that the txn will be committed on all nodes
NewNodes = RemoteRunning -- Running,
mnesia_lib:set(prepare_op, {announce_im_running,NewNodes}),
@@ -2782,19 +2817,49 @@ do_merge_schema(LockTabs0) ->
not_merged
end.
+fetch_cstructs(Node) ->
+ case mnesia_monitor:needs_protocol_conversion(Node) of
+ true ->
+ case rpc:call(Node, mnesia_controller, get_cstructs, []) of
+ {cstructs, Cs0, RR} ->
+ {cstructs, [list2cs(cs2list(Cs)) || Cs <- Cs0], RR};
+ Err -> Err
+ end;
+ false ->
+ rpc:call(Node, mnesia_controller, get_remote_cstructs, [])
+ end.
+
+need_old_cstructs(Nodes) ->
+ Filter = fun(Node) -> not mnesia_monitor:needs_protocol_conversion(Node) end,
+ case lists:dropwhile(Filter, Nodes) of
+ [] -> false;
+ [Node|_] ->
+ case rpc:call(Node, mnesia_lib, val, [{schema,cstruct}]) of
+ #cstruct{} ->
+ %% mnesia_lib:warning("Mnesia on ~p do not need to convert cstruct (~p)~n",
+ %% [node(), Node]),
+ false;
+ {badrpc, _} ->
+ need_old_cstructs(lists:delete(Node,Nodes));
+ Cs when element(1, Cs) == cstruct, tuple_size(Cs) == 17 ->
+ ver4_4_18; % Without majority
+ Cs when element(1, Cs) == cstruct, tuple_size(Cs) == 18 ->
+ ver4_4_19 % With majority
+ end
+ end.
+
tab_to_nodes(Tab) when is_atom(Tab) ->
Cs = val({Tab, cstruct}),
mnesia_lib:cs_to_nodes(Cs).
-make_merge_schema(Node, [Cs | Cstructs]) ->
- Ops = do_make_merge_schema(Node, Cs),
- Ops ++ make_merge_schema(Node, Cstructs);
-make_merge_schema(_Node, []) ->
+make_merge_schema(Node, NeedsConv, [Cs | Cstructs]) ->
+ Ops = do_make_merge_schema(Node, NeedsConv, Cs),
+ Ops ++ make_merge_schema(Node, NeedsConv, Cstructs);
+make_merge_schema(_Node, _, []) ->
[].
%% Merge definitions of schema table
-do_make_merge_schema(Node, RemoteCs)
- when RemoteCs#cstruct.name == schema ->
+do_make_merge_schema(Node, NeedsConv, RemoteCs = #cstruct{name = schema}) ->
Cs = val({schema, cstruct}),
Masters = mnesia_recover:get_master_nodes(schema),
HasRemoteMaster = lists:member(Node, Masters),
@@ -2804,15 +2869,15 @@ do_make_merge_schema(Node, RemoteCs)
StCsLocal = mnesia_lib:cs_to_storage_type(node(), Cs),
StRcsLocal = mnesia_lib:cs_to_storage_type(node(), RemoteCs),
StCsRemote = mnesia_lib:cs_to_storage_type(Node, Cs),
- StRcsRemote = mnesia_lib:cs_to_storage_type(Node, RemoteCs),
-
+ StRcsRemote = mnesia_lib:cs_to_storage_type(Node, RemoteCs),
+
if
Cs#cstruct.cookie == RemoteCs#cstruct.cookie,
Cs#cstruct.version == RemoteCs#cstruct.version ->
%% Great, we have the same cookie and version
%% and do not need to merge cstructs
[];
-
+
Cs#cstruct.cookie /= RemoteCs#cstruct.cookie,
Cs#cstruct.disc_copies /= [],
RemoteCs#cstruct.disc_copies /= [] ->
@@ -2823,14 +2888,14 @@ do_make_merge_schema(Node, RemoteCs)
HasRemoteMaster == false ->
%% Choose local cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(Cs)}];
+ [{op, merge_schema, cs2list(NeedsConv, Cs)}];
HasRemoteMaster == true,
HasLocalMaster == false ->
%% Choose remote cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(RemoteCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, RemoteCs)}];
+
true ->
Str = io_lib:format("Incompatible schema cookies. "
"Please, restart from old backup."
@@ -2838,12 +2903,12 @@ do_make_merge_schema(Node, RemoteCs)
[Node, cs2list(RemoteCs), node(), cs2list(Cs)]),
throw(Str)
end;
-
+
StCsLocal /= StRcsLocal, StRcsLocal /= unknown, StCsLocal /= ram_copies ->
Str = io_lib:format("Incompatible schema storage types (local). "
"on ~w storage ~w, on ~w storage ~w~n",
[node(), StCsLocal, Node, StRcsLocal]),
- throw(Str);
+ throw(Str);
StCsRemote /= StRcsRemote, StCsRemote /= unknown, StRcsRemote /= ram_copies ->
Str = io_lib:format("Incompatible schema storage types (remote). "
"on ~w cs ~w, on ~w rcs ~w~n",
@@ -2854,27 +2919,27 @@ do_make_merge_schema(Node, RemoteCs)
%% Choose local cstruct,
%% since it involves disc nodes
MergedCs = merge_cstructs(Cs, RemoteCs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
+
RemoteCs#cstruct.disc_copies /= [] ->
%% Choose remote cstruct,
%% since it involves disc nodes
MergedCs = merge_cstructs(RemoteCs, Cs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
Cs > RemoteCs ->
%% Choose remote cstruct
MergedCs = merge_cstructs(RemoteCs, Cs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
+
true ->
%% Choose local cstruct
MergedCs = merge_cstructs(Cs, RemoteCs, Force),
- [{op, merge_schema, cs2list(MergedCs)}]
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}]
end;
%% Merge definitions of normal table
-do_make_merge_schema(Node, RemoteCs) ->
+do_make_merge_schema(Node, NeedsConv, RemoteCs = #cstruct{}) ->
Tab = RemoteCs#cstruct.name,
Masters = mnesia_recover:get_master_nodes(schema),
HasRemoteMaster = lists:member(Node, Masters),
@@ -2883,27 +2948,27 @@ do_make_merge_schema(Node, RemoteCs) ->
case ?catch_val({Tab, cstruct}) of
{'EXIT', _} ->
%% A completely new table, created while Node was down
- [{op, merge_schema, cs2list(RemoteCs)}];
+ [{op, merge_schema, cs2list(NeedsConv, RemoteCs)}];
Cs when Cs#cstruct.cookie == RemoteCs#cstruct.cookie ->
if
Cs#cstruct.version == RemoteCs#cstruct.version ->
%% We have exactly the same version of the
%% table def
[];
-
+
Cs#cstruct.version > RemoteCs#cstruct.version ->
%% Oops, we have different versions
%% of the table def, lets merge them.
%% The only changes that may have occurred
%% is that new replicas may have been added.
MergedCs = merge_cstructs(Cs, RemoteCs, Force),
- [{op, merge_schema, cs2list(MergedCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}];
+
Cs#cstruct.version < RemoteCs#cstruct.version ->
%% Oops, we have different versions
%% of the table def, lets merge them
MergedCs = merge_cstructs(RemoteCs, Cs, Force),
- [{op, merge_schema, cs2list(MergedCs)}]
+ [{op, merge_schema, cs2list(NeedsConv, MergedCs)}]
end;
Cs ->
%% Different cookies, not possible to merge
@@ -2912,14 +2977,14 @@ do_make_merge_schema(Node, RemoteCs) ->
HasRemoteMaster == false ->
%% Choose local cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(Cs)}];
+ [{op, merge_schema, cs2list(NeedsConv, Cs)}];
HasRemoteMaster == true,
HasLocalMaster == false ->
%% Choose remote cstruct,
%% since it's the master
- [{op, merge_schema, cs2list(RemoteCs)}];
-
+ [{op, merge_schema, cs2list(NeedsConv, RemoteCs)}];
+
true ->
Str = io_lib:format("Bad cookie in table definition"
" ~w: ~w = ~w, ~w = ~w~n",
@@ -2989,7 +3054,7 @@ compare_storage_type(true, One, Another) ->
compare_storage_type(false, Another, One);
compare_storage_type(false, _One, _Another) ->
incompatible.
-
+
change_storage_type(N, ram_copies, Cs) ->
Nodes = [N | Cs#cstruct.ram_copies],
Cs#cstruct{ram_copies = mnesia_lib:uniq(Nodes)};
@@ -3071,14 +3136,14 @@ verify_merge(RemoteCs) ->
if
StCsLocal == StRcsLocal -> ok;
StCsLocal == unknown -> ok;
- (StRcsLocal == unknown), (HasRemoteMaster == false) ->
+ (StRcsLocal == unknown), (HasRemoteMaster == false) ->
{merge_error, Cs, RemoteCs};
%% Trust the merger
true -> ok
end
end.
-announce_im_running([N | Ns], SchemaCs) ->
+announce_im_running([N | Ns], SchemaCs) ->
{L1, L2} = mnesia_recover:connect_nodes([N]),
case lists:member(N, L1) or lists:member(N, L2) of
true ->
@@ -3095,7 +3160,7 @@ announce_im_running([], _) ->
unannounce_im_running([N | Ns]) ->
mnesia_lib:del({current, db_nodes}, N),
- mnesia_controller:del_active_replica(schema, N),
+ mnesia_controller:del_active_replica(schema, N),
unannounce_im_running(Ns);
unannounce_im_running([]) ->
ok.
diff --git a/lib/os_mon/c_src/cpu_sup.c b/lib/os_mon/c_src/cpu_sup.c
index fbf318c614..e3bdbd1489 100644
--- a/lib/os_mon/c_src/cpu_sup.c
+++ b/lib/os_mon/c_src/cpu_sup.c
@@ -191,7 +191,10 @@ int main(int argc, char** argv) {
static cpu_t *read_procstat(FILE *fp, cpu_t *cpu) {
char buffer[BUFFERSIZE];
- fgets(buffer, BUFFERSIZE, fp);
+ if (fgets(buffer, BUFFERSIZE, fp) == NULL) {
+ memset(cpu, 0, sizeof(cpu_t));
+ return cpu;
+ }
sscanf(buffer, "cpu%u %Lu %Lu %Lu %Lu %Lu %Lu %Lu %Lu",
&(cpu->id),
&(cpu->user),
@@ -223,7 +226,11 @@ static void util_measure(unsigned int **result_vec, int *result_sz) {
return;
}
- fgets(buffer, BUFFERSIZE, fp); /*ignore read*/
+ /*ignore read*/
+ if (fgets(buffer, BUFFERSIZE, fp) == NULL) {
+ *result_sz = 0;
+ return;
+ }
rv = *result_vec;
rv[0] = no_of_cpus;
rv[1] = CU_VALUES;
@@ -447,8 +454,12 @@ static void sendv(unsigned int data[], int ints) {
}
static void error(char* err_msg) {
- write(FD_ERR, err_msg, strlen(err_msg));
- write(FD_ERR, "\n", 1);
+ /*
+ * 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));
exit(-1);
}
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 5187d0f78f..cec81d551b 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -1778,7 +1778,8 @@ format_reply(binary, _, N, Data) when N > 0 -> % Header mode
format_reply(binary, _, _, Data) ->
Data;
format_reply(list, Packet, _, Data)
- when Packet == http; Packet == {http, headers}; Packet == http_bin; Packet == {http_bin, headers} ->
+ when Packet == http; Packet == {http, headers}; Packet == http_bin; Packet == {http_bin, headers}; Packet == httph;
+ Packet == httph_bin->
Data;
format_reply(list, _,_, Data) ->
binary_to_list(Data).
@@ -2090,7 +2091,9 @@ set_socket_opts(Socket, [{packet, Packet}| Opts], SockOpts, Other) when Packet =
Packet == tpkt;
Packet == line;
Packet == http;
- Packet == http_bin ->
+ Packet == httph;
+ Packet == http_bin;
+ Packet == httph_bin ->
set_socket_opts(Socket, Opts,
SockOpts#socket_options{packet = Packet}, Other);
set_socket_opts(_, [{packet, _} = Opt| _], SockOpts, _) ->
diff --git a/lib/ssl/test/ssl_packet_SUITE.erl b/lib/ssl/test/ssl_packet_SUITE.erl
index d22d5d2954..9d2599b778 100644
--- a/lib/ssl/test/ssl_packet_SUITE.erl
+++ b/lib/ssl/test/ssl_packet_SUITE.erl
@@ -151,6 +151,9 @@ all() ->
packet_cdr_decode, packet_cdr_decode_list,
packet_http_decode, packet_http_decode_list,
packet_http_bin_decode_multi, packet_http_error_passive,
+ packet_httph_active, packet_httph_bin_active,
+ packet_httph_active_once, packet_httph_bin_active_once,
+ packet_httph_passive, packet_httph_bin_passive,
packet_line_decode, packet_line_decode_list,
packet_asn1_decode, packet_asn1_decode_list,
packet_tpkt_decode, packet_tpkt_decode_list,
@@ -1594,7 +1597,7 @@ client_http_decode(Socket, HttpRequest) ->
%%--------------------------------------------------------------------
packet_http_decode_list(doc) ->
["Test setting the packet option {packet, http}, {mode, list}"
- "(Body will be litst too)"];
+ "(Body will be list too)"];
packet_http_decode_list(suite) ->
[];
packet_http_decode_list(Config) when is_list(Config) ->
@@ -1804,7 +1807,304 @@ server_http_decode_error(Socket, HttpResponse) ->
assert_packet_opt(Socket, http),
ok = ssl:send(Socket, HttpResponse),
ok.
+%%--------------------------------------------------------------------
+packet_httph_active(doc) ->
+ ["Test setting the packet option {packet, httph}"];
+packet_httph_active(suite) ->
+ [];
+packet_httph_active(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Trailer = "Content-Encoding: gzip\r\n"
+ "\r\n",
+
+ Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, server_send_trailer,
+ [Trailer]}},
+ {options, [{active, true}, binary |
+ ServerOpts]}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, client_http_decode_trailer_active,
+ []}},
+ {options, [{active, true},
+ {packet, httph},
+ list |
+ ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+server_send_trailer(Socket, Trailer)->
+ ssl:send(Socket, Trailer),
+ ok.
+
+client_http_decode_trailer_active(Socket) ->
+ receive
+ {ssl, Socket,
+ {http_header,36,'Content-Encoding',undefined,"gzip"}} ->
+ ok;
+ Other1 ->
+ exit({?LINE, Other1})
+ end,
+ receive
+ {ssl, Socket, http_eoh} ->
+ ok;
+ Other2 ->
+ exit({?LINE, Other2})
+ end,
+ ok.
+
+%%--------------------------------------------------------------------
+packet_httph_bin_active(doc) ->
+ ["Test setting the packet option {packet, httph_bin}"];
+packet_httph_bin_active(suite) ->
+ [];
+packet_httph_bin_active(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Trailer = "Content-Encoding: gzip\r\n"
+ "\r\n",
+
+ Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, server_send_trailer,
+ [Trailer]}},
+ {options, [{active, true}, binary |
+ ServerOpts]}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, client_http_decode_trailer_bin_active,
+ []}},
+ {options, [{active, true},
+ {packet, httph_bin},
+ list |
+ ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+client_http_decode_trailer_bin_active(Socket) ->
+ receive
+ {ssl, Socket,
+ {http_header,36,'Content-Encoding',undefined, <<"gzip">>}} ->
+ ok;
+ Other1 ->
+ exit({?LINE, Other1})
+ end,
+ receive
+ {ssl, Socket, http_eoh} ->
+ ok;
+ Other2 ->
+ exit({?LINE, Other2})
+ end,
+ ok.
+%%--------------------------------------------------------------------
+packet_httph_active_once(doc) ->
+ ["Test setting the packet option {packet, httph}"];
+packet_httph_active_once(suite) ->
+ [];
+packet_httph_active_once(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Trailer = "Content-Encoding: gzip\r\n"
+ "\r\n",
+
+ Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, server_send_trailer,
+ [Trailer]}},
+ {options, [{active, true}, binary |
+ ServerOpts]}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, client_http_decode_trailer_active_once,
+ []}},
+ {options, [{active, false},
+ {packet, httph},
+ list |
+ ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+
+client_http_decode_trailer_active_once(Socket) ->
+ ssl:setopts(Socket, [{active, once}]),
+ receive
+ {ssl, Socket,
+ {http_header,36,'Content-Encoding',undefined,"gzip"}} ->
+ ok;
+ Other1 ->
+ exit({?LINE, Other1})
+ end,
+ ssl:setopts(Socket, [{active, once}]),
+ receive
+ {ssl, Socket, http_eoh} ->
+ ok;
+ Other2 ->
+ exit({?LINE, Other2})
+ end,
+ ok.
+%%--------------------------------------------------------------------
+packet_httph_bin_active_once(doc) ->
+ ["Test setting the packet option {packet, httph_bin}"];
+packet_httph_bin_active_once(suite) ->
+ [];
+packet_httph_bin_active_once(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Trailer = "Content-Encoding: gzip\r\n"
+ "\r\n",
+
+ Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, server_send_trailer,
+ [Trailer]}},
+ {options, [{active, true}, binary |
+ ServerOpts]}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, client_http_decode_trailer_bin_active_once,
+ []}},
+ {options, [{active, false},
+ {packet, httph_bin},
+ list |
+ ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+client_http_decode_trailer_bin_active_once(Socket) ->
+ ssl:setopts(Socket, [{active, once}]),
+ receive
+ {ssl, Socket,
+ {http_header,36,'Content-Encoding',undefined, <<"gzip">>}} ->
+ ok;
+ Other1 ->
+ exit({?LINE, Other1})
+ end,
+ ssl:setopts(Socket, [{active, once}]),
+ receive
+ {ssl, Socket, http_eoh} ->
+ ok;
+ Other2 ->
+ exit({?LINE, Other2})
+ end,
+ ok.
+
+%%--------------------------------------------------------------------
+
+packet_httph_passive(doc) ->
+ ["Test setting the packet option {packet, httph}"];
+packet_httph_passive(suite) ->
+ [];
+packet_httph_passive(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Trailer = "Content-Encoding: gzip\r\n"
+ "\r\n",
+
+ Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, server_send_trailer,
+ [Trailer]}},
+ {options, [{active, true}, binary |
+ ServerOpts]}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, client_http_decode_trailer_passive,
+ []}},
+ {options, [{active, false},
+ {packet, httph},
+ list |
+ ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+client_http_decode_trailer_passive(Socket) ->
+ {ok,{http_header,36,'Content-Encoding',undefined,"gzip"}} = ssl:recv(Socket, 0),
+ {ok, http_eoh} = ssl:recv(Socket, 0),
+ ok.
+
+%%--------------------------------------------------------------------
+packet_httph_bin_passive(doc) ->
+ ["Test setting the packet option {packet, httph_bin}"];
+packet_httph_bin_passive(suite) ->
+ [];
+packet_httph_bin_passive(Config) when is_list(Config) ->
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Trailer = "Content-Encoding: gzip\r\n"
+ "\r\n",
+
+ Server = ssl_test_lib:start_server([{node, ClientNode}, {port, 0},
+ {from, self()},
+ {mfa, {?MODULE, server_send_trailer,
+ [Trailer]}},
+ {options, [{active, true}, binary |
+ ServerOpts]}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+ Client = ssl_test_lib:start_client([{node, ServerNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {?MODULE, client_http_decode_trailer_bin_passive,
+ []}},
+ {options, [{active, false},
+ {packet, httph_bin},
+ list |
+ ClientOpts]}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+client_http_decode_trailer_bin_passive(Socket) ->
+ {ok,{http_header,36,'Content-Encoding',undefined,<<"gzip">>}} = ssl:recv(Socket, 0),
+ {ok, http_eoh} = ssl:recv(Socket, 0),
+ ok.
%%--------------------------------------------------------------------
packet_line_decode(doc) ->
diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml
index 8c952708c5..f19f92be6f 100644
--- a/lib/stdlib/doc/src/ets.xml
+++ b/lib/stdlib/doc/src/ets.xml
@@ -513,6 +513,9 @@ Error: fun containing local Erlang function calls
the table has been fixed by the process.</p>
<p>If the table never has been fixed, the call returns
<c>false</c>.</p>
+ <item><c>Item=stats, Value=tuple()</c> <br></br>
+ Returns internal statistics about set, bag and duplicate_bag tables on an internal format used by OTP test suites.
+ Not for production use.</item>
</item>
</list>
</desc>
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 3ac6da3d28..57df963ae2 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -819,6 +819,14 @@ t_delete_all_objects(Config) when is_list(Config) ->
repeat_for_opts(t_delete_all_objects_do),
?line verify_etsmem(EtsMem).
+get_kept_objects(T) ->
+ case ets:info(T,stats) of
+ false ->
+ 0;
+ {_,_,_,_,_,_,KO} ->
+ KO
+ end.
+
t_delete_all_objects_do(Opts) ->
?line T=ets_new(x,Opts),
?line filltabint(T,4000),
@@ -828,10 +836,10 @@ t_delete_all_objects_do(Opts) ->
?line true = ets:delete_all_objects(T),
?line '$end_of_table' = ets:next(T,O),
?line 0 = ets:info(T,size),
- ?line 4000 = ets:info(T,kept_objects),
+ ?line 4000 = get_kept_objects(T),
?line ets:safe_fixtable(T,false),
?line 0 = ets:info(T,size),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line filltabint(T,4000),
?line 4000 = ets:info(T,size),
?line true = ets:delete_all_objects(T),
@@ -861,10 +869,10 @@ t_delete_object_do(Opts) ->
?line ets:delete_object(T,{First, integer_to_list(First)}),
?line Next = ets:next(T,First),
?line 3999 = ets:info(T,size),
- ?line 1 = ets:info(T,kept_objects),
+ ?line 1 = get_kept_objects(T),
?line ets:safe_fixtable(T,false),
?line 3999 = ets:info(T,size),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line ets:delete(T),
?line T1 = ets_new(x,[ordered_set | Opts]),
?line filltabint(T1,4000),
@@ -4971,7 +4979,7 @@ grow_pseudo_deleted_do(Type) ->
[true]}]),
Left = Mult*(Mod-1),
?line Left = ets:info(T,size),
- ?line Mult = ets:info(T,kept_objects),
+ ?line Mult = get_kept_objects(T),
filltabstr(T,Mult),
spawn_opt(fun()-> ?line true = ets:info(T,fixed),
Self ! start,
@@ -4985,7 +4993,7 @@ grow_pseudo_deleted_do(Type) ->
?line true = ets:safe_fixtable(T,false),
io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line done = receive_any(),
%%verify_table_load(T), % may fail if concurrency is poor (genny)
ets:delete(T),
@@ -5012,7 +5020,7 @@ shrink_pseudo_deleted_do(Type) ->
[{'>', '$1', Half}],
[true]}]),
?line Half = ets:info(T,size),
- ?line Half = ets:info(T,kept_objects),
+ ?line Half = get_kept_objects(T),
spawn_opt(fun()-> ?line true = ets:info(T,fixed),
Self ! start,
io:format("Starting to delete... ~p\n",[now()]),
@@ -5025,7 +5033,7 @@ shrink_pseudo_deleted_do(Type) ->
?line true = ets:safe_fixtable(T,false),
io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line done = receive_any(),
%%verify_table_load(T), % may fail if concurrency is poor (genny)
ets:delete(T),
@@ -5141,7 +5149,7 @@ smp_fixed_delete_do() ->
?line 0 = ets:info(T,size),
?line true = ets:info(T,fixed),
?line Buckets = num_of_buckets(T),
- ?line NumOfObjs = ets:info(T,kept_objects),
+ ?line NumOfObjs = get_kept_objects(T),
ets:safe_fixtable(T,false),
%% Will fail as unfix does not shrink the table:
%%?line Mem = ets:info(T,memory),
@@ -5173,7 +5181,7 @@ smp_unfix_fix_do() ->
Left = NumOfObjs - Deleted,
?line Left = ets:info(T,size),
?line true = ets:info(T,fixed),
- ?line Deleted = ets:info(T,kept_objects),
+ ?line Deleted = get_kept_objects(T),
{Child, Mref} =
spawn_opt(fun()-> ?line true = ets:info(T,fixed),
@@ -5190,7 +5198,7 @@ smp_unfix_fix_do() ->
end,
Deleted),
?line 0 = ets:info(T,size),
- ?line true = ets:info(T,kept_objects) >= Left,
+ ?line true = get_kept_objects(T) >= Left,
?line done = receive_any()
end,
[link, monitor, {scheduler,2}]),
@@ -5203,7 +5211,7 @@ smp_unfix_fix_do() ->
Child ! done,
{'DOWN', Mref, process, Child, normal} = receive_any(),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
%%verify_table_load(T),
ets:delete(T),
process_flag(scheduler,0).
@@ -5241,7 +5249,7 @@ otp_8166_do(WC) ->
ZombieCrPid ! quit,
{'DOWN', ZombieCrMref, process, ZombieCrPid, normal} = receive_any(),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
%%verify_table_load(T),
ets:delete(T),
process_flag(scheduler,0).
@@ -5308,7 +5316,7 @@ otp_8166_zombie_creator(T,Deleted) ->
verify_table_load(T) ->
?line Stats = ets:info(T,stats),
- ?line {Buckets,AvgLen,StdDev,ExpSD,_MinLen,_MaxLen} = Stats,
+ ?line {Buckets,AvgLen,StdDev,ExpSD,_MinLen,_MaxLen,_} = Stats,
?line ok = if
AvgLen > 7 ->
io:format("Table overloaded: Stats=~p\n~p\n",
@@ -5920,7 +5928,7 @@ very_big_num(0, Result) ->
?line Result.
make_port() ->
- ?line open_port({spawn, efile}, [eof]).
+ ?line open_port({spawn, "efile"}, [eof]).
make_pid() ->
?line spawn_link(?MODULE, sleeper, []).