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v3.14.2

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This commit is contained in:
Jay D Dee
2020-05-30 21:20:44 -04:00
parent 13563e2598
commit 51a1d91abd
8 changed files with 192 additions and 153 deletions
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7
RELEASE_NOTES
View File

@@ -65,6 +65,13 @@ If not what makes it happen or not happen?
Change Log
----------
v3.14.2
The second line of the Share Accepted log is no longer displayed,
new Xnonce log is added and other small log tweaks.
#265: Cleanup use of mutex.
v3.14.1
GBT and getwork log changes:

6
algo-gate-api.h
View File

@@ -128,7 +128,7 @@ bool ( *miner_thread_init ) ( int );
void ( *get_new_work ) ( struct work*, struct work*, int, uint32_t* );
// Decode getwork blockheader
bool ( *work_decode ) ( const json_t*, struct work* );
bool ( *work_decode ) ( struct work* );
// Extra getwork data
void ( *decode_extra_data ) ( struct work*, uint64_t* );
@@ -227,8 +227,8 @@ void std_get_new_work( struct work *work, struct work *g_work, int thr_id,
void sha256d_gen_merkle_root( char *merkle_root, struct stratum_ctx *sctx );
void SHA256_gen_merkle_root ( char *merkle_root, struct stratum_ctx *sctx );
bool std_le_work_decode( const json_t *val, struct work *work );
bool std_be_work_decode( const json_t *val, struct work *work );
bool std_le_work_decode( struct work *work );
bool std_be_work_decode( struct work *work );
bool std_le_submit_getwork_result( CURL *curl, struct work *work );
bool std_be_submit_getwork_result( CURL *curl, struct work *work );

4
algo/hodl/hodl-gate.c
View File

@@ -99,9 +99,13 @@ void hodl_build_block_header( struct work* g_work, uint32_t version,
// called only by thread 0, saves a backup of g_work
void hodl_get_new_work( struct work* work, struct work* g_work)
{
pthread_mutex_lock( &g_work_lock );
work_free( &hodl_work );
work_copy( &hodl_work, g_work );
hodl_work.data[ algo_gate.nonce_index ] = ( clock() + rand() ) % 9999;
pthread_mutex_unlock( &g_work_lock );
}
json_t *hodl_longpoll_rpc_call( CURL *curl, int *err, char* lp_url )

4
algo/nist5/zr5.c
View File

@@ -156,6 +156,8 @@ int scanhash_zr5( struct work *work, uint32_t max_nonce,
void zr5_get_new_work( struct work* work, struct work* g_work, int thr_id,
uint32_t* end_nonce_ptr )
{
pthread_mutex_lock( &g_work_lock );
// ignore POK in first word
const int wkcmp_sz = 72; // (19-1) * sizeof(uint32_t)
uint32_t *nonceptr = work->data + algo_gate.nonce_index;
@@ -171,6 +173,8 @@ void zr5_get_new_work( struct work* work, struct work* g_work, int thr_id,
}
else
++(*nonceptr);
pthread_mutex_unlock( &g_work_lock );
}
void zr5_display_pok( struct work* work )

20
configure vendored
View File

@@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for cpuminer-opt 3.14.1.
# Generated by GNU Autoconf 2.69 for cpuminer-opt 3.14.2.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,8 +577,8 @@ MAKEFLAGS=
# Identity of this package.
PACKAGE_NAME='cpuminer-opt'
PACKAGE_TARNAME='cpuminer-opt'
PACKAGE_VERSION='3.14.1'
PACKAGE_STRING='cpuminer-opt 3.14.1'
PACKAGE_VERSION='3.14.2'
PACKAGE_STRING='cpuminer-opt 3.14.2'
PACKAGE_BUGREPORT=''
PACKAGE_URL=''
@@ -1332,7 +1332,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
\`configure' configures cpuminer-opt 3.14.1 to adapt to many kinds of systems.
\`configure' configures cpuminer-opt 3.14.2 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1404,7 +1404,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of cpuminer-opt 3.14.1:";;
short | recursive ) echo "Configuration of cpuminer-opt 3.14.2:";;
esac
cat <<\_ACEOF
@@ -1509,7 +1509,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
cpuminer-opt configure 3.14.1
cpuminer-opt configure 3.14.2
generated by GNU Autoconf 2.69
Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2012,7 +2012,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
It was created by cpuminer-opt $as_me 3.14.1, which was
It was created by cpuminer-opt $as_me 3.14.2, which was
generated by GNU Autoconf 2.69. Invocation command line was
$ $0 $@
@@ -2993,7 +2993,7 @@ fi
# Define the identity of the package.
PACKAGE='cpuminer-opt'
VERSION='3.14.1'
VERSION='3.14.2'
cat >>confdefs.h <<_ACEOF
@@ -6690,7 +6690,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by cpuminer-opt $as_me 3.14.1, which was
This file was extended by cpuminer-opt $as_me 3.14.2, which was
generated by GNU Autoconf 2.69. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@@ -6756,7 +6756,7 @@ _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
cpuminer-opt config.status 3.14.1
cpuminer-opt config.status 3.14.2
configured by $0, generated by GNU Autoconf 2.69,
with options \\"\$ac_cs_config\\"

2
configure.ac
View File

@@ -1,4 +1,4 @@
AC_INIT([cpuminer-opt], [3.14.1])
AC_INIT([cpuminer-opt], [3.14.2])
AC_PREREQ([2.59c])
AC_CANONICAL_SYSTEM

219
cpu-miner.c
View File

@@ -215,7 +215,7 @@ static char const short_options[] =
static struct work g_work __attribute__ ((aligned (64))) = {{ 0 }};
time_t g_work_time = 0;
static pthread_mutex_t g_work_lock;
pthread_mutex_t g_work_lock;
static bool submit_old = false;
char* lp_id;
@@ -398,24 +398,12 @@ void work_copy(struct work *dest, const struct work *src)
int std_get_work_data_size() { return STD_WORK_DATA_SIZE; }
// Default
bool std_le_work_decode( const json_t *val, struct work *work )
bool std_le_work_decode( struct work *work )
{
int i;
const int data_size = algo_gate.get_work_data_size();
const int target_size = sizeof(work->target);
const int adata_sz = data_size / 4;
const int adata_sz = algo_gate.get_work_data_size() / 4;
const int atarget_sz = ARRAY_SIZE(work->target);
if (unlikely( !jobj_binary(val, "data", work->data, data_size) ))
{
applog(LOG_ERR, "JSON invalid data");
return false;
}
if (unlikely( !jobj_binary(val, "target", work->target, target_size) ))
{
applog(LOG_ERR, "JSON invalid target");
return false;
}
for ( i = 0; i < adata_sz; i++ )
work->data[i] = le32dec( work->data + i );
for ( i = 0; i < atarget_sz; i++ )
@@ -423,24 +411,12 @@ bool std_le_work_decode( const json_t *val, struct work *work )
return true;
}
bool std_be_work_decode( const json_t *val, struct work *work )
bool std_be_work_decode( struct work *work )
{
int i;
const int data_size = algo_gate.get_work_data_size();
const int target_size = sizeof(work->target);
const int adata_sz = data_size / 4;
const int adata_sz = algo_gate.get_work_data_size() / 4;
const int atarget_sz = ARRAY_SIZE(work->target);
if (unlikely( !jobj_binary(val, "data", work->data, data_size) ))
{
applog(LOG_ERR, "JSON invalid data");
return false;
}
if (unlikely( !jobj_binary(val, "target", work->target, target_size) ))
{
applog(LOG_ERR, "JSON invalid target");
return false;
}
for ( i = 0; i < adata_sz; i++ )
work->data[i] = be32dec( work->data + i );
for ( i = 0; i < atarget_sz; i++ )
@@ -450,14 +426,31 @@ bool std_be_work_decode( const json_t *val, struct work *work )
static bool work_decode( const json_t *val, struct work *work )
{
if ( !algo_gate.work_decode( val, work ) )
const int data_size = algo_gate.get_work_data_size();
const int target_size = sizeof(work->target);
if (unlikely( !jobj_binary(val, "data", work->data, data_size) ))
{
applog(LOG_ERR, "JSON invalid data");
return false;
}
if (unlikely( !jobj_binary(val, "target", work->target, target_size) ))
{
applog(LOG_ERR, "JSON invalid target");
return false;
}
if ( unlikely( !algo_gate.work_decode( work ) ) )
return false;
if ( !allow_mininginfo )
net_diff = algo_gate.calc_network_diff( work );
work->targetdiff = hash_to_diff( work->target );
stratum_diff = last_targetdiff = work->targetdiff;
work->sharediff = 0;
algo_gate.decode_extra_data( work, &net_blocks );
return true;
}
@@ -477,8 +470,7 @@ static bool get_mininginfo( CURL *curl, struct work *work )
if ( !val && curl_err == -1 )
{
allow_mininginfo = false;
if ( opt_debug )
applog( LOG_DEBUG, "getmininginfo not supported" );
applog( LOG_NOTICE, "\"getmininginfo\" not supported, some stats not available" );
return false;
}
@@ -1116,7 +1108,6 @@ void report_summary_log( bool force )
solved, solved_block_count );
applog2( LOG_INFO, "Hi/Lo Share Diff %.5g / %.5g",
highest_share, lowest_share );
}
bool lowdiff_debug = false;
@@ -1124,7 +1115,7 @@ bool lowdiff_debug = false;
static int share_result( int result, struct work *work,
const char *reason )
{
double share_time = 0., share_ratio = 0.;
double share_time = 0.; //, share_ratio = 0.;
double hashrate = 0.;
int latency = 0;
struct share_stats_t my_stats = {0};
@@ -1136,7 +1127,7 @@ static int share_result( int result, struct work *work,
bool solved = false;
bool stale = false;
char *acol = NULL, *bcol = NULL, *scol = NULL, *rcol = NULL;
// Mutex while we grab a snapshot of the stats.
pthread_mutex_lock( &stats_lock );
if ( likely( share_stats[ s_get_ptr ].submit_time.tv_sec ) )
@@ -1165,8 +1156,11 @@ static int share_result( int result, struct work *work,
sizeof last_submit_time );
}
/*
share_ratio = my_stats.net_diff == 0. ? 0. : my_stats.share_diff /
my_stats.net_diff;
*/
// check result
if ( likely( result ) )
{
@@ -1247,13 +1241,12 @@ static int share_result( int result, struct work *work,
else if ( stale ) scol = CL_WHT CL_YL2;
else rcol = CL_WHT CL_RED;
}
else
bcol = acol = scol = rcol = "\0";
applog( LOG_NOTICE, "%d %s%s %s%s %s%s %s%s" CL_N ", %.3f sec (%dms)",
my_stats.share_count, acol, ares, scol, sres, rcol, rres, bcol,
bres, share_time, latency );
/*
if ( !opt_quiet )
{
if ( have_stratum )
@@ -1267,6 +1260,7 @@ static int share_result( int result, struct work *work,
my_stats.share_diff, share_ratio, bcol, height );
}
}
*/
if ( unlikely( opt_debug || !( opt_quiet || result || stale ) ) )
{
@@ -1587,9 +1581,14 @@ start:
work->height, net_diff,
work->data[ algo_gate.ntime_index ] );
if ( !opt_quiet && ( net_diff > 0. ) && ( net_hashrate > 0. ) )
if ( !opt_quiet )
{
double miner_hr = 0.;
double net_hr = net_hashrate;
char net_hr_units[4] = {0};
char miner_hr_units[4] = {0};
char net_ttf[32];
char miner_ttf[32];
pthread_mutex_lock( &stats_lock );
@@ -1599,16 +1598,15 @@ start:
pthread_mutex_unlock( &stats_lock );
if ( miner_hr > 0. )
{
double net_hr = net_hashrate;
char net_hr_units[4] = {0};
char miner_hr_units[4] = {0};
char net_ttf[32];
char miner_ttf[32];
if ( net_hr > 0. )
sprintf_et( net_ttf, ( net_diff * exp32 ) / net_hr );
else
sprintf( net_ttf, "NA" );
if ( miner_hr > 0. )
sprintf_et( miner_ttf, ( net_diff * exp32 ) / miner_hr );
else
sprintf( miner_ttf, "NA" );
scale_hash_for_display ( &miner_hr, miner_hr_units );
scale_hash_for_display ( &net_hr, net_hr_units );
applog2( LOG_INFO,
@@ -1616,7 +1614,6 @@ start:
miner_hr, miner_hr_units, miner_ttf, net_hr,
net_hr_units, net_ttf );
}
}
} // work->height > last_block_height
else if ( memcmp( &work->data[1], &g_work.data[1], 32 ) )
applog( LOG_BLUE, "New Work: Block %d, Net Diff %.5g, Ntime %08x",
@@ -1835,6 +1832,14 @@ bool submit_solution( struct work *work, const void *hash,
if ( likely( submit_work( thr, work ) ) )
{
update_submit_stats( work, hash );
if unlikely( !have_stratum && !have_longpoll )
{ // block solved, force getwork
pthread_mutex_lock( &g_work_lock );
g_work_time = 0;
pthread_mutex_unlock( &g_work_lock );
}
if ( !opt_quiet )
{
if ( have_stratum )
@@ -1955,6 +1960,8 @@ void std_get_new_work( struct work* work, struct work* g_work, int thr_id,
uint32_t *nonceptr = work->data + algo_gate.nonce_index;
bool force_new_work = false;
pthread_mutex_lock( &g_work_lock );
if ( have_stratum )
force_new_work = work->job_id ? strtoul( work->job_id, NULL, 16 )
!= strtoul( g_work->job_id, NULL, 16 )
@@ -1970,6 +1977,8 @@ void std_get_new_work( struct work* work, struct work* g_work, int thr_id,
}
else
++(*nonceptr);
pthread_mutex_unlock( &g_work_lock );
}
bool std_ready_to_mine( struct work* work, struct stratum_ctx* stratum,
@@ -1985,7 +1994,13 @@ bool std_ready_to_mine( struct work* work, struct stratum_ctx* stratum,
static void stratum_gen_work( struct stratum_ctx *sctx, struct work *g_work )
{
// Safer than testing the job id
bool new_job = *get_stratum_job_ntime()
!= g_work->data[ algo_gate.ntime_index ];
pthread_mutex_lock( &g_work_lock );
pthread_mutex_lock( &sctx->work_lock );
free( g_work->job_id );
g_work->job_id = strdup( sctx->job.job_id );
g_work->xnonce2_len = sctx->xnonce2_size;
@@ -1998,26 +2013,19 @@ static void stratum_gen_work( struct stratum_ctx *sctx, struct work *g_work )
g_work->targetdiff = sctx->job.diff
/ ( opt_target_factor * opt_diff_factor );
diff_to_hash( g_work->target, g_work->targetdiff );
pthread_mutex_unlock( &sctx->work_lock );
g_work_time = time(NULL);
restart_threads();
if ( opt_debug )
{
unsigned char *xnonce2str = abin2hex( g_work->xnonce2,
g_work->xnonce2_len );
applog( LOG_DEBUG, "DEBUG: job_id='%s' extranonce2=%s ntime=%08x",
g_work->job_id, xnonce2str, swab32( g_work->data[17] ) );
free( xnonce2str );
}
pthread_mutex_unlock( &sctx->work_lock );
pthread_mutex_unlock( &g_work_lock );
double hr = 0.;
pthread_mutex_lock( &stats_lock );
double hr = 0.;
for ( int i = 0; i < opt_n_threads; i++ )
hr += thr_hashrates[i];
global_hashrate = hr;
pthread_mutex_unlock( &stats_lock );
if ( stratum_diff != sctx->job.diff )
@@ -2026,9 +2034,17 @@ static void stratum_gen_work( struct stratum_ctx *sctx, struct work *g_work )
else if ( last_block_height != sctx->block_height )
applog( LOG_BLUE, "New Block %d, Job %s",
sctx->block_height, g_work->job_id );
else if ( g_work->job_id )
else if ( new_job && g_work->job_id )
applog( LOG_BLUE, "New Work: Block %d, Net diff %.5g, Job %s",
sctx->block_height, net_diff, g_work->job_id );
else if ( opt_debug )
{
unsigned char *xnonce2str = abin2hex( g_work->xnonce2,
g_work->xnonce2_len );
applog( LOG_INFO, "Extranonce2 %s, Block %d, Net Diff %.5g",
xnonce2str, sctx->block_height, net_diff );
free( xnonce2str );
}
// Update data and calculate new estimates.
if ( ( stratum_diff != sctx->job.diff )
@@ -2056,7 +2072,7 @@ static void stratum_gen_work( struct stratum_ctx *sctx, struct work *g_work )
char share_ttf[32];
sprintf_et( block_ttf, ( net_diff * exp32 ) / hr );
sprintf_et( share_ttf, g_work->targetdiff * exp32 / hr );
sprintf_et( share_ttf, ( g_work->targetdiff * exp32 ) / hr );
scale_hash_for_display ( &hr, hr_units );
applog2( LOG_INFO, "TTF @ %.2f %sh/s: Block %s, Share %s",
hr, hr_units, block_ttf, share_ttf );
@@ -2201,35 +2217,33 @@ static void *miner_thread( void *userdata )
{
if ( have_stratum )
{
pthread_mutex_lock( &g_work_lock );
if ( *nonceptr >= end_nonce )
stratum_gen_work( &stratum, &g_work );
algo_gate.get_new_work( &work, &g_work, thr_id, &end_nonce );
pthread_mutex_unlock( &g_work_lock );
}
else
{
int scantime = have_longpoll ? LP_SCANTIME : opt_scantime;
pthread_mutex_lock( &g_work_lock );
if ( time(NULL) - g_work_time >= scantime
|| *nonceptr >= end_nonce )
if ( ( ( time(NULL) - g_work_time ) >= scantime )
|| ( *nonceptr >= end_nonce ) )
{
if ( unlikely( !get_work( mythr, &g_work ) ) )
{
pthread_mutex_unlock( &g_work_lock );
applog( LOG_ERR, "work retrieval failed, exiting "
"mining thread %d", thr_id );
pthread_mutex_unlock( &g_work_lock );
goto out;
}
g_work_time = time(NULL);
restart_threads();
}
algo_gate.get_new_work( &work, &g_work, thr_id, &end_nonce );
pthread_mutex_unlock( &g_work_lock );
}
algo_gate.get_new_work( &work, &g_work, thr_id, &end_nonce );
} // do_this_thread
algo_gate.resync_threads( &work );
@@ -2244,7 +2258,7 @@ static void *miner_thread( void *userdata )
// LP_SCANTIME overrides opt_scantime option, is this right?
// adjust max_nonce to meet target scan time. Startum and longpoll
// adjust max_nonce to meet target scan time. Stratum and longpoll
// can go longer because they can rely on restart_threads to signal
// an early abort. get_work on the other hand can't rely on
// restart_threads so need a much shorter scantime
@@ -2315,6 +2329,7 @@ static void *miner_thread( void *userdata )
hashes_done / ( diff.tv_sec + diff.tv_usec * 1e-6 );
pthread_mutex_unlock( &stats_lock );
}
// If unsubmiited nonce(s) found, submit now.
if ( unlikely( nonce_found && !opt_benchmark ) )
{
@@ -2342,34 +2357,47 @@ static void *miner_thread( void *userdata )
}
#if !(defined(__WINDOWS__) || defined(_WIN64) || defined(_WIN32))
// Display CPU temperature and clock rate.
if (!opt_quiet && mythr->id == 0 )
{
int temp = cpu_temp(0);
static struct timeval cpu_temp_time = {0};
timeval_subtract( &diff, &tv_end, &cpu_temp_time );
int wait = temp >= 80 ? 30 : temp >= 70 ? 60 : 120;
if ( ( diff.tv_sec > wait ) || ( temp > hi_temp ) )
// Display CPU temperature and clock rate.
int curr_temp, prev_hi_temp;
static struct timeval cpu_temp_time = {0};
pthread_mutex_lock( &stats_lock );
prev_hi_temp = hi_temp;
curr_temp = cpu_temp(0);
timeval_subtract( &diff, &tv_end, &cpu_temp_time );
if ( curr_temp > hi_temp ) hi_temp = curr_temp;
pthread_mutex_unlock( &stats_lock );
if ( !opt_quiet || ( curr_temp >= 80 ) )
{
int wait_time = curr_temp >= 80 ? 30 : curr_temp >= 70 ? 60 : 120;
if ( ( diff.tv_sec > wait_time ) || ( curr_temp > prev_hi_temp ) )
{
char tempstr[32];
float lo_freq = 0., hi_freq = 0.;
linux_cpu_hilo_freq( &lo_freq, &hi_freq );
memcpy( &cpu_temp_time, &tv_end, sizeof(cpu_temp_time) );
if ( use_colors && ( temp >= 70 ) )
linux_cpu_hilo_freq( &lo_freq, &hi_freq );
if ( use_colors && ( curr_temp >= 70 ) )
{
if ( temp >= 80 )
sprintf( tempstr, "%s%d C%s", CL_WHT CL_RED, temp, CL_N );
if ( curr_temp >= 80 )
sprintf( tempstr, "%s%d C%s",
CL_WHT CL_RED, curr_temp, CL_N );
else
sprintf( tempstr, "%s%d C%s", CL_WHT CL_YLW, temp, CL_N );
sprintf( tempstr, "%s%d C%s",
CL_WHT CL_YLW, curr_temp, CL_N );
}
else
sprintf( tempstr, "%d C", temp );
sprintf( tempstr, "%d C", curr_temp );
applog( LOG_NOTICE,"CPU temp: curr %s (max %d), Freq: %.3f/%.3f GHz",
tempstr, hi_temp, lo_freq / 1e6, hi_freq / 1e6 );
if ( temp > hi_temp ) hi_temp = temp;
tempstr, prev_hi_temp, lo_freq / 1e6, hi_freq / 1e6 );
}
}
#endif
// display hashrate
@@ -2395,12 +2423,13 @@ static void *miner_thread( void *userdata )
&& thr_id == opt_n_threads - 1 ) )
{
double hashrate = 0.;
pthread_mutex_lock( &stats_lock );
for ( i = 0; i < opt_n_threads; i++ )
hashrate += thr_hashrates[i];
if ( hashrate != 0. )
{
global_hashrate = hashrate;
pthread_mutex_unlock( &stats_lock );
if ( opt_benchmark )
{
char hr[16];
@@ -2414,7 +2443,6 @@ static void *miner_thread( void *userdata )
hr, hr_units, (uint32_t)cpu_temp(0) );
#endif
}
}
} // benchmark
} // miner_thread loop
@@ -2731,15 +2759,10 @@ static void *stratum_thread(void *userdata )
report_summary_log( ( stratum_diff != stratum.job.diff )
&& ( stratum_diff != 0. ) );
if ( stratum.job.job_id
&& ( !g_work_time || strcmp( stratum.job.job_id, g_work.job_id ) ) )
{
pthread_mutex_lock( &g_work_lock );
if ( stratum.job.job_id && ( !g_work_time
|| ( *get_stratum_job_ntime()
!= g_work.data[ algo_gate.ntime_index ] ) ) )
stratum_gen_work( &stratum, &g_work );
time( &g_work_time );
pthread_mutex_unlock( &g_work_lock );
restart_threads();
}
if ( likely( stratum_socket_full( &stratum, opt_timeout ) ) )
{

1
miner.h
View File

@@ -756,6 +756,7 @@ extern double opt_diff_factor;
extern double opt_target_factor;
extern bool opt_randomize;
extern bool allow_mininginfo;
extern pthread_mutex_t g_work_lock;
extern time_t g_work_time;
extern bool opt_stratum_stats;
extern int num_cpus;