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Merge branch 'release-1.0beta-refresh' into cmake_build

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This commit is contained in:
Markus Makela
2014-09-22 11:12:14 +03:00
parent 3d4dc48c8b 503b942b5c
commit d27522a6f9
11 changed files with 280 additions and 201 deletions
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2
client/Makefile
View File

@ -33,7 +33,7 @@ endif
CC=cc
CFLAGS=-c -Wall -g $(HISTFLAG)
CFLAGS=-c -Wall -g $(HISTFLAG) -I ../server/include
SRCS= maxadmin.c

163
client/maxadmin.c
View File

@ -47,6 +47,9 @@
#include <dirent.h>
#include <locale.h>
#include <errno.h>
#include <getopt.h>
#include <version.h>
#ifdef HISTORY
#include <histedit.h>
@ -59,6 +62,7 @@ static int sendCommand(int so, char *cmd);
static void DoSource(int so, char *cmd);
static void DoUsage();
static int isquit(char *buf);
static void PrintVersion(const char *progname);
#ifdef HISTORY
static char *
@ -70,6 +74,16 @@ prompt(EditLine *el __attribute__((__unused__)))
}
#endif
static struct option long_options[] = {
{"host", required_argument, 0, 'h'},
{"user", required_argument, 0, 'u'},
{"password", required_argument, 0, 'p'},
{"port", required_argument, 0, 'P'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, '?'},
{0, 0, 0, 0}
};
/**
* The main for the maxadmin client
*
@ -79,7 +93,7 @@ prompt(EditLine *el __attribute__((__unused__)))
int
main(int argc, char **argv)
{
int i, num, rv, fatal = 0;
int i, num, rv;
#ifdef HISTORY
char *buf;
EditLine *el = NULL;
@ -96,107 +110,39 @@ char *user = "admin";
char *passwd = NULL;
int so, cmdlen;
char *cmd;
int argno = 0;
int option_index = 0;
char c;
cmd = malloc(1);
*cmd = 0;
cmdlen = 1;
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '-')
{
switch (argv[i][1])
{
case 'u': /* User */
if (argv[i][2])
user = &(argv[i][2]);
else if (i + 1 < argc)
user = argv[++i];
else
{
fprintf(stderr, "Missing username"
"in -u option.\n");
fatal = 1;
}
break;
case 'p': /* Password */
if (argv[i][2])
passwd = &(argv[i][2]);
else if (i + 1 < argc)
passwd = argv[++i];
else
{
fprintf(stderr, "Missing password "
"in -p option.\n");
fatal = 1;
}
break;
case 'h': /* hostname */
if (argv[i][2])
hostname = &(argv[i][2]);
else if (i + 1 < argc)
hostname = argv[++i];
else
{
fprintf(stderr, "Missing hostname value "
"in -h option.\n");
fatal = 1;
}
break;
case 'P': /* Port */
if (argv[i][2])
port = &(argv[i][2]);
else if (i + 1 < argc)
port = argv[++i];
else
{
fprintf(stderr, "Missing Port value "
"in -P option.\n");
fatal = 1;
}
break;
case '-':
{
char *word;
word = &argv[i][2];
if (strcmp(word, "help") == 0)
{
DoUsage();
exit(0);
}
break;
}
}
}
else
{
/* Arguments after the second argument are quoted
* to allow for quoted names on the command line
* to be passed on in quotes.
*/
if (argno++ > 1)
{
cmdlen += strlen(argv[i]) + 3;
cmd = realloc(cmd, cmdlen);
strcat(cmd, "\"");
strcat(cmd, argv[i]);
strcat(cmd, "\" ");
}
else
{
cmdlen += strlen(argv[i]) + 1;
cmd = realloc(cmd, cmdlen);
strcat(cmd, argv[i]);
strcat(cmd, " ");
}
}
while ((c = getopt_long(argc, argv, "h:p:P:u:v?",
long_options, &option_index))
>= 0)
{
switch (c) {
case 'h':
hostname = strdup(optarg);
break;
case 'p':
passwd = strdup(optarg);
break;
case 'P':
port = strdup(optarg);
break;
case 'u':
user = strdup(optarg);
break;
case 'v':
PrintVersion(*argv);
exit(EXIT_SUCCESS);
case '?':
DoUsage(*argv);
exit(optopt ? EXIT_FAILURE : EXIT_SUCCESS);
}
}
if (fatal)
exit(1);
if (passwd == NULL)
{
struct termios tty_attr;
@ -533,23 +479,34 @@ FILE *fp;
return;
}
/**
* Print version information
*/
static void
PrintVersion(const char *progname)
{
printf("%s Version %s\n", progname, MAXSCALE_VERSION);
}
/**
* Display the --help text.
*/
static void
DoUsage()
DoUsage(const char *progname)
{
printf("maxadmin: The MaxScale administrative and monitor client.\n\n");
printf("Usage: maxadmin [-u user] [-p password] [-h hostname] [-P port] [<command file> | <command>]\n\n");
printf(" -u user The user name to use for the connection, default\n");
PrintVersion(progname);
printf("The MaxScale administrative and monitor client.\n\n");
printf("Usage: %s [-u user] [-p password] [-h hostname] [-P port] [<command file> | <command>]\n\n", progname);
printf(" -u|--user=... The user name to use for the connection, default\n");
printf(" is admin.\n");
printf(" -p password The user password, if not given the password will\n");
printf(" -p|--password=... The user password, if not given the password will\n");
printf(" be prompted for interactively\n");
printf(" -h hostname The maxscale host to connecto to. The default is\n");
printf(" -h|--hostname=... The maxscale host to connecto to. The default is\n");
printf(" localhost\n");
printf(" -P port The port to use for the connection, the default\n");
printf(" -P|--port=... The port to use for the connection, the default\n");
printf(" port is 6603.\n");
printf(" --help Print this help text.\n");
printf(" -v|--version print version information and exit\n");
printf(" -?|--help Print this help text.\n");
printf("Any remaining arguments are treated as MaxScale commands or a file\n");
printf("containing commands to execute.\n");
}

12
log_manager/log_manager.cc
View File

@ -255,7 +255,7 @@ static int logmanager_write_log(
bool use_valist,
bool spread_down,
size_t len,
char* str,
const char* str,
va_list valist);
static blockbuf_t* blockbuf_init(logfile_id_t id);
@ -609,7 +609,7 @@ static int logmanager_write_log(
bool use_valist,
bool spread_down,
size_t str_len,
char* str,
const char* str,
va_list valist)
{
logfile_t* lf;
@ -623,7 +623,7 @@ static int logmanager_write_log(
CHK_LOGMANAGER(lm);
if (id < LOGFILE_FIRST || id > LOGFILE_LAST) {
char* errstr = "Invalid logfile id argument.";
const char* errstr = "Invalid logfile id argument.";
/**
* invalid id, since we don't have logfile yet.
*/
@ -1181,7 +1181,7 @@ static bool logfile_set_enabled(
CHK_LOGMANAGER(lm);
if (id < LOGFILE_FIRST || id > LOGFILE_LAST) {
char* errstr = "Invalid logfile id argument.";
const char* errstr = "Invalid logfile id argument.";
/**
* invalid id, since we don't have logfile yet.
*/
@ -1235,7 +1235,7 @@ return_succp:
int skygw_log_write_flush(
logfile_id_t id,
char* str,
const char* str,
...)
{
int err = 0;
@ -1291,7 +1291,7 @@ return_err:
int skygw_log_write(
logfile_id_t id,
char* str,
const char* str,
...)
{
int err = 0;

4
log_manager/log_manager.h
View File

@ -72,9 +72,9 @@ void skygw_logmanager_exit(void);
* free private write buffer list
*/
void skygw_log_done(void);
int skygw_log_write(logfile_id_t id, char* format, ...);
int skygw_log_write(logfile_id_t id, const char* format, ...);
int skygw_log_flush(logfile_id_t id);
int skygw_log_write_flush(logfile_id_t id, char* format, ...);
int skygw_log_write_flush(logfile_id_t id, const char* format, ...);
int skygw_log_enable(logfile_id_t id);
int skygw_log_disable(logfile_id_t id);

1
server/core/config.c
View File

@ -1575,6 +1575,7 @@ static char *service_params[] =
"use_sql_variables_in", /*< rwsplit only */
"version_string",
"filters",
"weightby",
NULL
};

153
server/core/dcb.c
View File

@ -403,13 +403,16 @@ DCB_CALLBACK *cb;
* operation of clearing this bit means that no bits are set in
* the memdata.bitmask then the DCB is no longer able to be
* referenced and it can be finally removed.
* Thread won't clear its bit from bitmask of the DCB it is still using.
*
* The excluded DCB allows a thread to exclude a DCB from zombie processing.
* It is used when a thread calls dcb_process_zombies when there is
* a DCB that the caller knows it will continue processing with.
*
* @param threadid The thread ID of the caller
* @param dcb_in_use The DCB the thread currently uses, NULL or valid DCB.
* @param excluded The DCB the thread currently uses, NULL or valid DCB.
*/
DCB *
dcb_process_zombies(int threadid, DCB *dcb_in_use)
dcb_process_zombies(int threadid, DCB *excluded)
{
DCB *ptr, *lptr;
DCB* dcb_list = NULL;
@ -426,78 +429,100 @@ bool succp = false;
if (!zombies)
return NULL;
/*
* Process the zombie queue and create a list of DCB's that can be
* finally freed. This processing is down under a spinlock that
* will prevent new entries being added to the zombie queue. Therefore
* we do not want to do any expensive operations under this spinlock
* as it will block other threads. The expensive operations will be
* performed on the victim queue within holding the zombie queue
* spinlock.
*/
spinlock_acquire(&zombiespin);
ptr = zombies;
lptr = NULL;
while (ptr)
{
CHK_DCB(ptr);
/** Don't clear the bit from DCB the user currently uses */
if (dcb_in_use == NULL || ptr != dcb_in_use)
{
bitmask_clear(&ptr->memdata.bitmask, threadid);
}
if (ptr == dcb_in_use)
ss_dassert(!bitmask_isallclear(&ptr->memdata.bitmask));
if (bitmask_isallclear(&ptr->memdata.bitmask))
{
/**
* Remove the DCB from the zombie queue
* and call the final free routine for the
* DCB
*
* ptr is the DCB we are processing
* lptr is the previous DCB on the zombie queue
* or NULL if the DCB is at the head of the queue
* tptr is the DCB after the one we are processing
* on the zombie queue
*/
DCB *tptr = ptr->memdata.next;
if (lptr == NULL)
zombies = tptr;
else
lptr->memdata.next = tptr;
LOGIF(LD, (skygw_log_write_flush(
LOGFILE_DEBUG,
"%lu [dcb_process_zombies] Remove dcb %p fd %d "
"in state %s from zombies list.",
pthread_self(),
ptr,
ptr->fd,
STRDCBSTATE(ptr->state))));
ss_info_dassert(ptr->state == DCB_STATE_ZOMBIE,
"dcb not in DCB_STATE_ZOMBIE state.");
/*<
* Move dcb to linked list of victim dcbs.
*/
if (dcb_list == NULL) {
dcb_list = ptr;
dcb = dcb_list;
} else {
dcb->memdata.next = ptr;
dcb = dcb->memdata.next;
}
dcb->memdata.next = NULL;
ptr = tptr;
}
else
/*
* Skip processing of the excluded DCB
*/
if (ptr == excluded)
{
lptr = ptr;
ptr = ptr->memdata.next;
}
else
{
bitmask_clear(&ptr->memdata.bitmask, threadid);
if (bitmask_isallclear(&ptr->memdata.bitmask))
{
/**
* Remove the DCB from the zombie queue
* and call the final free routine for the
* DCB
*
* ptr is the DCB we are processing
* lptr is the previous DCB on the zombie queue
* or NULL if the DCB is at the head of the
* queue tptr is the DCB after the one we are
* processing on the zombie queue
*/
DCB *tptr = ptr->memdata.next;
if (lptr == NULL)
zombies = tptr;
else
lptr->memdata.next = tptr;
LOGIF(LD, (skygw_log_write_flush(
LOGFILE_DEBUG,
"%lu [dcb_process_zombies] Remove dcb "
"%p fd %d " "in state %s from the "
"list of zombies.",
pthread_self(),
ptr,
ptr->fd,
STRDCBSTATE(ptr->state))));
ss_info_dassert(ptr->state == DCB_STATE_ZOMBIE,
"dcb not in DCB_STATE_ZOMBIE state.");
/*<
* Move dcb to linked list of victim dcbs.
*/
if (dcb_list == NULL) {
dcb_list = ptr;
dcb = dcb_list;
} else {
dcb->memdata.next = ptr;
dcb = dcb->memdata.next;
}
dcb->memdata.next = NULL;
ptr = tptr;
}
else
{
lptr = ptr;
ptr = ptr->memdata.next;
}
}
}
spinlock_release(&zombiespin);
/*
* Process the victim queue. These are DCBs that are not in
* use by any thread.
* The corresponding file descriptor is closed, the DCB marked
* as disconnected and the DCB itself is fianlly freed.
*/
dcb = dcb_list;
/** Close, and set DISCONNECTED victims */
while (dcb != NULL) {
DCB* dcb_next = NULL;
int rc = 0;
/*<
* Close file descriptor and move to clean-up phase.
*/
ss_dassert(dcb_in_use != dcb);
ss_dassert(excluded != dcb);
rc = close(dcb->fd);
if (rc < 0) {
@ -1119,8 +1144,8 @@ int above_water;
/**
* Removes dcb from poll set, and adds it to zombies list. As a consequense,
* dcb first moves to DCB_STATE_NOPOLLING, and then to DCB_STATE_ZOMBIE state.
* At the end of the function state may not be DCB_STATE_ZOMBIE because once dcb_initlock
* is released parallel threads may change the state.
* At the end of the function state may not be DCB_STATE_ZOMBIE because once
* dcb_initlock is released parallel threads may change the state.
*
* Parameters:
* @param dcb The DCB to close
@ -1943,9 +1968,11 @@ int rval = 0;
* to return immediately and and process other events.
*
* @param dcb The DCB that has data available
* @param thread_id The ID of the calling thread
* @param nozombies If non-zero then do not do zombie processing
*/
void
dcb_pollin(DCB *dcb, int thread_id)
dcb_pollin(DCB *dcb, int thread_id, int nozombies)
{
spinlock_acquire(&dcb->pollinlock);
@ -1956,7 +1983,8 @@ dcb_pollin(DCB *dcb, int thread_id)
if (dcb->readcheck)
{
dcb->stats.n_readrechecks++;
dcb_process_zombies(thread_id, dcb);
if (!nozombies)
dcb_process_zombies(thread_id, dcb);
}
dcb->readcheck = 0;
spinlock_release(&dcb->pollinlock);
@ -1987,9 +2015,11 @@ dcb_pollin(DCB *dcb, int thread_id)
* to return immediately and and process other events.
*
* @param dcb The DCB thats available for writes
* @param thread_id The ID of the calling thread
* @param nozombies If non-zero then do not do zombie processing
*/
void
dcb_pollout(DCB *dcb, int thread_id)
dcb_pollout(DCB *dcb, int thread_id, int nozombies)
{
spinlock_acquire(&dcb->polloutlock);
@ -1999,7 +2029,8 @@ dcb_pollout(DCB *dcb, int thread_id)
do {
if (dcb->writecheck)
{
dcb_process_zombies(thread_id, dcb);
if (!nozombies)
dcb_process_zombies(thread_id, dcb);
dcb->stats.n_writerechecks++;
}
dcb->writecheck = 0;

87
server/core/gateway.c
View File

@ -44,6 +44,7 @@
#include <string.h>
#include <gw.h>
#include <unistd.h>
#include <getopt.h>
#include <service.h>
#include <server.h>
#include <dcb.h>
@ -131,6 +132,17 @@ static bool libmysqld_started = FALSE;
*/
static bool daemon_mode = true;
const char *progname = NULL;
static struct option long_options[] = {
{"homedir", required_argument, 0, 'c'},
{"config", required_argument, 0, 'f'},
{"nodeamon", required_argument, 0, 'd'},
{"log", required_argument, 0, 'l'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, '?'},
{0, 0, 0, 0}
};
static void log_flush_shutdown(void);
static void log_flush_cb(void* arg);
static int write_pid_file(char *); /* write MaxScale pidfile */
@ -878,15 +890,19 @@ return_cnf_file_buf:
return cnf_file_buf;
}
static void usage(void)
{
fprintf(stderr,
"*\n* Usage : maxscale [-h] | [-d] [-c <home "
"directory>] [-f <config file name>]\n* where:\n* "
"-h help\n* -d enable running in terminal process (default:disabled)\n* "
"-c relative|absolute MaxScale home directory\n* "
"-f relative|absolute pathname of MaxScale configuration file (default:MAXSCALE_HOME/etc/MaxScale.cnf)\n*\n");
"\nUsage : %s [-h] | [-d] [-c <home directory>] [-f <config file name>]\n\n"
" -d|--nodaemon enable running in terminal process (default:disabled)\n"
" -c|--homedir=... relative|absolute MaxScale home directory\n"
" -f|--config=... relative|absolute pathname of MaxScale configuration file\n"
" (default: $MAXSCALE_HOME/etc/MaxScale.cnf)\n"
" -l|--log=... log to file or shared memory\n"
" -lfile or -lshm - defaults to shared memory\n"
" -v|--version print version info and exit\n"
" -?|--help show this help\n"
, progname);
}
/**
@ -943,6 +959,8 @@ int main(int argc, char **argv)
char* cnf_file_path = NULL; /*< conf file, to be freed */
char* cnf_file_arg = NULL; /*< conf filename from cmd-line arg */
void* log_flush_thr = NULL;
int option_index;
int logtofile = 0; /* Use shared memory or file */
ssize_t log_flush_timeout_ms = 0;
sigset_t sigset;
sigset_t sigpipe_mask;
@ -954,6 +972,8 @@ int main(int argc, char **argv)
sigemptyset(&sigpipe_mask);
sigaddset(&sigpipe_mask, SIGPIPE);
progname = *argv;
#if defined(SS_DEBUG)
memset(conn_open, 0, sizeof(bool)*10240);
memset(dcb_fake_write_errno, 0, sizeof(unsigned char)*10240);
@ -980,7 +1000,8 @@ int main(int argc, char **argv)
goto return_main;
}
}
while ((opt = getopt(argc, argv, "dc:f:h")) != -1)
while ((opt = getopt_long(argc, argv, "dc:f:l:v?",
long_options, &option_index)) != -1)
{
bool succp = true;
@ -1061,9 +1082,36 @@ int main(int argc, char **argv)
succp = false;
}
break;
case 'v':
rc = EXIT_SUCCESS;
goto return_main;
case 'l':
if (strncasecmp(optarg, "file") == 0)
logtofile = 1;
else if (strncasecmp(optarg, "shm") == 0)
logtofile = 0;
else
{
char* logerr = "Configuration file argument "
"identifier \'-l\' was specified but "
"the argument didn't specify\n a valid "
"configuration file or the argument "
"was missing.";
print_log_n_stderr(true, true, logerr, logerr, 0);
usage();
succp = false;
}
break;
case '?':
usage();
rc = EXIT_SUCCESS;
goto return_main;
default:
usage();
usage();
succp = false;
break;
}
@ -1345,12 +1393,23 @@ int main(int argc, char **argv)
argv[0] = "MaxScale";
argv[1] = "-j";
argv[2] = buf;
argv[3] = "-s"; /*< store to shared memory */
argv[4] = "LOGFILE_DEBUG,LOGFILE_TRACE"; /*< ..these logs to shm */
argv[5] = "-l"; /*< write to syslog */
argv[6] = "LOGFILE_MESSAGE,LOGFILE_ERROR"; /*< ..these logs to syslog */
argv[7] = NULL;
skygw_logmanager_init(7, argv);
if (logtofile)
{
argv[3] = "-l"; /*< write to syslog */
argv[4] = "LOGFILE_MESSAGE,LOGFILE_ERROR"
"LOGFILE_DEBUG,LOGFILE_TRACE";
argv[5] = NULL;
skygw_logmanager_init(5, argv);
}
else
{
argv[3] = "-s"; /*< store to shared memory */
argv[4] = "LOGFILE_DEBUG,LOGFILE_TRACE"; /*< ..these logs to shm */
argv[5] = "-l"; /*< write to syslog */
argv[6] = "LOGFILE_MESSAGE,LOGFILE_ERROR"; /*< ..these logs to syslog */
argv[7] = NULL;
skygw_logmanager_init(7, argv);
}
}
/*<

1
server/core/housekeeper.c
View File

@ -16,6 +16,7 @@
* Copyright SkySQL Ab 2014
*/
#include <stdlib.h>
#include <string.h>
#include <housekeeper.h>
#include <thread.h>
#include <spinlock.h>

4
server/core/modutil.c
View File

@ -125,7 +125,7 @@ unsigned char *ptr;
/**
* Replace the contents of a GWBUF with the new SQL statement passed as a text string.
* The routine takes care of the modification needed to the MySQL packet,
* returning a GWBUF chian that cna be used to send the data to a MySQL server
* returning a GWBUF chain that can be used to send the data to a MySQL server
*
* @param orig The original request in a GWBUF
* @param sql The SQL text to replace in the packet
@ -225,4 +225,4 @@ char* modutil_get_query(
} /*< switch */
retblock:
return query_str;
}
}

43
server/core/poll.c
View File

@ -49,10 +49,19 @@ extern int lm_enabled_logfiles_bitmask;
* @endverbatim
*/
/**
* Control the use of mutexes for the epoll_wait call. Setting to 1 will
* cause the epoll_wait calls to be moved under a mutex. This may be useful
* for debuggign purposes but should be avoided in general use.
*/
#define MUTEX_EPOLL 0
static int epoll_fd = -1; /*< The epoll file descriptor */
static int do_shutdown = 0; /*< Flag the shutdown of the poll subsystem */
static GWBITMASK poll_mask;
#if MUTEX_EPOLL
static simple_mutex_t epoll_wait_mutex; /*< serializes calls to epoll_wait */
#endif
static int n_waiting = 0; /*< No. of threads in epoll_wait */
/**
@ -154,7 +163,9 @@ int i;
thread_data[i].state = THREAD_STOPPED;
}
}
#if MUTEX_EPOLL
simple_mutex_init(&epoll_wait_mutex, "epoll_wait_mutex");
#endif
hktask_add("Load Average", poll_loadav, NULL, POLL_LOAD_FREQ);
n_avg_samples = 15 * 60 / POLL_LOAD_FREQ;
@ -359,7 +370,7 @@ DCB *zombies = NULL;
thread_id)));
no_op = TRUE;
}
#if 0
#if MUTEX_EPOLL
simple_mutex_lock(&epoll_wait_mutex, TRUE);
#endif
if (thread_data)
@ -385,7 +396,7 @@ DCB *zombies = NULL;
{
atomic_add(&n_waiting, -1);
if (process_zombies_only) {
#if 0
#if MUTEX_EPOLL
simple_mutex_unlock(&epoll_wait_mutex);
#endif
goto process_zombies;
@ -413,7 +424,7 @@ DCB *zombies = NULL;
if (n_waiting == 0)
atomic_add(&pollStats.n_nothreads, 1);
#if 0
#if MUTEX_EPOLL
simple_mutex_unlock(&epoll_wait_mutex);
#endif
#endif /* BLOCKINGPOLL */
@ -442,7 +453,7 @@ DCB *zombies = NULL;
for (i = 0; i < nfds; i++)
{
DCB *dcb = (DCB *)events[i].data.ptr;
DCB *dcb = (DCB *)events[i].data.ptr;
__uint32_t ev = events[i].events;
CHK_DCB(dcb);
@ -504,7 +515,7 @@ DCB *zombies = NULL;
#else
atomic_add(&pollStats.n_write,
1);
dcb_pollout(dcb, thread_id);
dcb_pollout(dcb, thread_id, nfds);
#endif
} else {
LOGIF(LD, (skygw_log_write(
@ -554,7 +565,7 @@ DCB *zombies = NULL;
#if MUTEX_BLOCK
dcb->func.read(dcb);
#else
dcb_pollin(dcb, thread_id);
dcb_pollin(dcb, thread_id, nfds);
#endif
}
#if MUTEX_BLOCK
@ -609,7 +620,15 @@ DCB *zombies = NULL;
eno,
strerror(eno))));
atomic_add(&pollStats.n_hup, 1);
dcb->func.hangup(dcb);
spinlock_acquire(&dcb->dcb_initlock);
if ((dcb->flags & DCBF_HUNG) == 0)
{
dcb->flags |= DCBF_HUNG;
spinlock_release(&dcb->dcb_initlock);
dcb->func.hangup(dcb);
}
else
spinlock_release(&dcb->dcb_initlock);
}
if (ev & EPOLLRDHUP)
@ -628,7 +647,15 @@ DCB *zombies = NULL;
eno,
strerror(eno))));
atomic_add(&pollStats.n_hup, 1);
dcb->func.hangup(dcb);
spinlock_acquire(&dcb->dcb_initlock);
if ((dcb->flags & DCBF_HUNG) == 0)
{
dcb->flags |= DCBF_HUNG;
spinlock_release(&dcb->dcb_initlock);
dcb->func.hangup(dcb);
}
else
spinlock_release(&dcb->dcb_initlock);
}
} /*< for */
no_op = FALSE;

11
server/include/dcb.h
View File

@ -271,8 +271,8 @@ int fail_accept_errno;
#define DCB_BELOW_LOW_WATER(x) ((x)->low_water && (x)->writeqlen < (x)->low_water)
#define DCB_ABOVE_HIGH_WATER(x) ((x)->high_water && (x)->writeqlen > (x)->high_water)
void dcb_pollin(DCB *, int);
void dcb_pollout(DCB *, int);
void dcb_pollin(DCB *, int, int);
void dcb_pollout(DCB *, int, int);
DCB *dcb_get_zombies(void);
int gw_write(
#if defined(SS_DEBUG)
@ -317,6 +317,9 @@ void dcb_call_foreach (DCB_REASON reason);
void dcb_call_foreach (
DCB_REASON reason);
/* DCB flags values */
#define DCBF_CLONE 0x0001 /* DCB is a clone */
/**
* DCB flags values
*/
#define DCBF_CLONE 0x0001 /*< DCB is a clone */
#define DCBF_HUNG 0x0002 /*< Hangup has been dispatched */
#endif /* _DCB_H */