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NO-OP: whitespace

This commit is contained in:
Robin Gareus 2020-06-07 18:19:20 +02:00
parent 21b8885fe9
commit c7bce4b685
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04

View File

@ -18,10 +18,10 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/ */
#include <set>
#include <string>
#include <cstring> #include <cstring>
#include <set>
#include <stdint.h> #include <stdint.h>
#include <string>
#ifndef PLATFORM_WINDOWS #ifndef PLATFORM_WINDOWS
#include <dlfcn.h> #include <dlfcn.h>
@ -33,7 +33,7 @@
#endif #endif
#ifdef COMPILER_MSVC #ifdef COMPILER_MSVC
DECLARE_DEFAULT_COMPARISONS(pthread_t) // Needed for 'DECLARE_DEFAULT_COMPARISONS'. Objects in an STL container can be DECLARE_DEFAULT_COMPARISONS (pthread_t) // Needed for 'DECLARE_DEFAULT_COMPARISONS'. Objects in an STL container can be
// searched and sorted. Thus, when instantiating the container, MSVC complains // searched and sorted. Thus, when instantiating the container, MSVC complains
// if the type of object being contained has no appropriate comparison operators // if the type of object being contained has no appropriate comparison operators
// defined (specifically, if operators '<' and '==' are undefined). This seems // defined (specifically, if operators '<' and '==' are undefined). This seems
@ -41,34 +41,35 @@ DECLARE_DEFAULT_COMPARISONS(pthread_t) // Needed for 'DECLARE_DEFAULT_COMPARISO
#endif #endif
#ifdef __APPLE__ #ifdef __APPLE__
#include <mach/thread_policy.h>
#include <mach/thread_act.h>
#include <mach/mach_time.h> #include <mach/mach_time.h>
#include <mach/thread_act.h>
#include <mach/thread_policy.h>
#endif #endif
using namespace std; using namespace std;
typedef std::list<pthread_t> ThreadMap; typedef std::list<pthread_t> ThreadMap;
static ThreadMap all_threads; static ThreadMap all_threads;
static pthread_mutex_t thread_map_lock = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t thread_map_lock = PTHREAD_MUTEX_INITIALIZER;
static Glib::Threads::Private<char> thread_name (free); static Glib::Threads::Private<char> thread_name (free);
namespace PBD { namespace PBD
PBD::Signal3<void,pthread_t,std::string,uint32_t> ThreadCreatedWithRequestSize; {
PBD::Signal3<void, pthread_t, std::string, uint32_t> ThreadCreatedWithRequestSize;
} }
using namespace PBD; using namespace PBD;
static int thread_creator (pthread_t* thread_id, const pthread_attr_t* attr, void *(*function)(void*), void* arg) static int
thread_creator (pthread_t* thread_id, const pthread_attr_t* attr, void* (*function) (void*), void* arg)
{ {
#ifdef WINE_THREAD_SUPPORT #ifdef WINE_THREAD_SUPPORT
return wine_pthread_create (thread_id, attr, function, arg); return wine_pthread_create (thread_id, attr, function, arg);
#else #else
return pthread_create (thread_id, attr, function, arg); return pthread_create (thread_id, attr, function, arg);
#endif #endif
} }
void void
PBD::notify_event_loops_about_thread_creation (pthread_t thread, const std::string& emitting_thread_name, int request_count) PBD::notify_event_loops_about_thread_creation (pthread_t thread, const std::string& emitting_thread_name, int request_count)
{ {
@ -83,39 +84,38 @@ PBD::notify_event_loops_about_thread_creation (pthread_t thread, const std::stri
} }
struct ThreadStartWithName { struct ThreadStartWithName {
void* (*thread_work)(void*); void* (*thread_work) (void*);
void* arg; void* arg;
std::string name; std::string name;
ThreadStartWithName (void* (*f)(void*), void* a, const std::string& s) ThreadStartWithName (void* (*f) (void*), void* a, const std::string& s)
: thread_work (f), arg (a), name (s) {} : thread_work (f)
, arg (a)
, name (s)
{}
}; };
static void* static void*
fake_thread_start (void* arg) fake_thread_start (void* arg)
{ {
ThreadStartWithName* ts = (ThreadStartWithName*) arg; ThreadStartWithName* ts = (ThreadStartWithName*)arg;
void* (*thread_work)(void*) = ts->thread_work; void* (*thread_work) (void*) = ts->thread_work;
void* thread_arg = ts->arg; void* thread_arg = ts->arg;
/* name will be deleted by the default handler for GStaticPrivate, when the thread exits */ /* name will be deleted by the default handler for GStaticPrivate, when the thread exits */
pthread_set_name (ts->name.c_str ());
pthread_set_name (ts->name.c_str());
/* we don't need this object anymore */ /* we don't need this object anymore */
delete ts; delete ts;
/* actually run the thread's work function */ /* actually run the thread's work function */
void* ret = thread_work (thread_arg); void* ret = thread_work (thread_arg);
/* cleanup */ /* cleanup */
pthread_mutex_lock (&thread_map_lock); pthread_mutex_lock (&thread_map_lock);
for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) { for (ThreadMap::iterator i = all_threads.begin (); i != all_threads.end (); ++i) {
if (pthread_equal ((*i), pthread_self())) { if (pthread_equal ((*i), pthread_self ())) {
all_threads.erase (i); all_threads.erase (i);
break; break;
} }
@ -124,19 +124,18 @@ fake_thread_start (void* arg)
pthread_mutex_unlock (&thread_map_lock); pthread_mutex_unlock (&thread_map_lock);
/* done */ /* done */
return ret; return ret;
} }
int int
pthread_create_and_store (string name, pthread_t *thread, void * (*start_routine)(void *), void * arg) pthread_create_and_store (string name, pthread_t* thread, void* (*start_routine) (void*), void* arg)
{ {
pthread_attr_t default_attr; pthread_attr_t default_attr;
int ret; int ret;
// set default stack size to sensible default for memlocking /* set default stack size to sensible default for memlocking */
pthread_attr_init(&default_attr); pthread_attr_init (&default_attr);
pthread_attr_setstacksize(&default_attr, 0x80000); // 512kB pthread_attr_setstacksize (&default_attr, 0x80000); // 512kB
ThreadStartWithName* ts = new ThreadStartWithName (start_routine, arg, name); ThreadStartWithName* ts = new ThreadStartWithName (start_routine, arg, name);
@ -146,16 +145,15 @@ pthread_create_and_store (string name, pthread_t *thread, void * (*start_routin
pthread_mutex_unlock (&thread_map_lock); pthread_mutex_unlock (&thread_map_lock);
} }
pthread_attr_destroy(&default_attr); pthread_attr_destroy (&default_attr);
return ret; return ret;
} }
void void
pthread_set_name (const char *str) pthread_set_name (const char* str)
{ {
/* copy string and delete it when exiting */ /* copy string and delete it when exiting */
thread_name.set (strdup (str)); // leaks thread_name.set (strdup (str)); // leaks
#if !defined PLATFORM_WINDOWS && defined _GNU_SOURCE #if !defined PLATFORM_WINDOWS && defined _GNU_SOURCE
@ -163,11 +161,11 @@ pthread_set_name (const char *str)
char ptn[16]; char ptn[16];
memset (ptn, 0, 16); memset (ptn, 0, 16);
strncpy (ptn, str, 15); strncpy (ptn, str, 15);
pthread_setname_np (pthread_self(), ptn); pthread_setname_np (pthread_self (), ptn);
#endif #endif
} }
const char * const char*
pthread_name () pthread_name ()
{ {
const char* str = thread_name.get (); const char* str = thread_name.get ();
@ -182,12 +180,12 @@ void
pthread_kill_all (int signum) pthread_kill_all (int signum)
{ {
pthread_mutex_lock (&thread_map_lock); pthread_mutex_lock (&thread_map_lock);
for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) { for (ThreadMap::iterator i = all_threads.begin (); i != all_threads.end (); ++i) {
if (!pthread_equal ((*i), pthread_self())) { if (!pthread_equal ((*i), pthread_self ())) {
pthread_kill ((*i), signum); pthread_kill ((*i), signum);
} }
} }
all_threads.clear(); all_threads.clear ();
pthread_mutex_unlock (&thread_map_lock); pthread_mutex_unlock (&thread_map_lock);
} }
@ -196,18 +194,17 @@ pthread_cancel_all ()
{ {
pthread_mutex_lock (&thread_map_lock); pthread_mutex_lock (&thread_map_lock);
for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ) { for (ThreadMap::iterator i = all_threads.begin (); i != all_threads.end ();) {
ThreadMap::iterator nxt = i; ThreadMap::iterator nxt = i;
++nxt; ++nxt;
if (!pthread_equal ((*i), pthread_self())) { if (!pthread_equal ((*i), pthread_self ())) {
pthread_cancel ((*i)); pthread_cancel ((*i));
} }
i = nxt; i = nxt;
} }
all_threads.clear(); all_threads.clear ();
pthread_mutex_unlock (&thread_map_lock); pthread_mutex_unlock (&thread_map_lock);
} }
@ -215,7 +212,7 @@ void
pthread_cancel_one (pthread_t thread) pthread_cancel_one (pthread_t thread)
{ {
pthread_mutex_lock (&thread_map_lock); pthread_mutex_lock (&thread_map_lock);
for (ThreadMap::iterator i = all_threads.begin(); i != all_threads.end(); ++i) { for (ThreadMap::iterator i = all_threads.begin (); i != all_threads.end (); ++i) {
if (pthread_equal ((*i), thread)) { if (pthread_equal ((*i), thread)) {
all_threads.erase (i); all_threads.erase (i);
break; break;
@ -226,7 +223,8 @@ pthread_cancel_one (pthread_t thread)
pthread_mutex_unlock (&thread_map_lock); pthread_mutex_unlock (&thread_map_lock);
} }
static size_t pbd_stack_size () static size_t
pbd_stack_size ()
{ {
size_t rv = 0; size_t rv = 0;
#ifndef PLATFORM_WINDOWS #ifndef PLATFORM_WINDOWS
@ -237,7 +235,7 @@ static size_t pbd_stack_size ()
pt_min_stack = PTHREAD_STACK_MIN; pt_min_stack = PTHREAD_STACK_MIN;
#endif #endif
void *handle = dlopen (NULL, RTLD_LAZY); void* handle = dlopen (NULL, RTLD_LAZY);
/* This function is internal (it has a GLIBC_PRIVATE) version, but /* This function is internal (it has a GLIBC_PRIVATE) version, but
* available via weak symbol, or dlsym, and returns * available via weak symbol, or dlsym, and returns
@ -245,18 +243,18 @@ static size_t pbd_stack_size ()
* GLRO(dl_pagesize) + __static_tls_size + PTHREAD_STACK_MIN * GLRO(dl_pagesize) + __static_tls_size + PTHREAD_STACK_MIN
*/ */
size_t (*__pthread_get_minstack)(const pthread_attr_t* attr) = size_t (*__pthread_get_minstack) (const pthread_attr_t* attr) =
(size_t (*)(const pthread_attr_t*)) dlsym(handle, "__pthread_get_minstack"); (size_t (*) (const pthread_attr_t*))dlsym (handle, "__pthread_get_minstack");
if (__pthread_get_minstack != NULL) { if (__pthread_get_minstack != NULL) {
pthread_attr_t attr; pthread_attr_t attr;
pthread_attr_init(&attr); pthread_attr_init (&attr);
rv = __pthread_get_minstack(&attr); rv = __pthread_get_minstack (&attr);
assert (rv >= pt_min_stack); assert (rv >= pt_min_stack);
rv -= pt_min_stack; rv -= pt_min_stack;
pthread_attr_destroy(&attr); pthread_attr_destroy (&attr);
} }
dlclose(handle); dlclose (handle);
#endif #endif
return rv; return rv;
} }
@ -264,9 +262,9 @@ static size_t pbd_stack_size ()
int int
pbd_pthread_create ( pbd_pthread_create (
const size_t stacksize, const size_t stacksize,
pthread_t *thread, pthread_t* thread,
void *(*start_routine) (void *), void* (*start_routine) (void*),
void *arg) void* arg)
{ {
int rv; int rv;
@ -297,21 +295,23 @@ pbd_absolute_rt_priority (int policy, int priority)
} else { } else {
priority += p_max; priority += p_max;
} }
if (priority > p_max) priority = p_max; if (priority > p_max)
if (priority < p_min) priority = p_min; priority = p_max;
if (priority < p_min)
priority = p_min;
return priority; return priority;
} }
int int
pbd_realtime_pthread_create ( pbd_realtime_pthread_create (
const int policy, int priority, const size_t stacksize, const int policy, int priority, const size_t stacksize,
pthread_t *thread, pthread_t* thread,
void *(*start_routine) (void *), void* (*start_routine) (void*),
void *arg) void* arg)
{ {
int rv; int rv;
pthread_attr_t attr; pthread_attr_t attr;
struct sched_param parm; struct sched_param parm;
parm.sched_priority = pbd_absolute_rt_priority (policy, priority); parm.sched_priority = pbd_absolute_rt_priority (policy, priority);
@ -344,24 +344,24 @@ pbd_mach_set_realtime_policy (pthread_t thread_id, double period_ns)
thread_time_constraint_policy_data_t policy; thread_time_constraint_policy_data_t policy;
#ifndef NDEBUG #ifndef NDEBUG
mach_msg_type_number_t msgt = 4; mach_msg_type_number_t msgt = 4;
boolean_t dflt = false; boolean_t dflt = false;
kern_return_t rv = thread_policy_get (pthread_mach_thread_np (thread_id), kern_return_t rv = thread_policy_get (pthread_mach_thread_np (thread_id),
THREAD_TIME_CONSTRAINT_POLICY, (thread_policy_t) &policy, THREAD_TIME_CONSTRAINT_POLICY, (thread_policy_t)&policy, &msgt, &dflt);
&msgt, &dflt);
printf ("Mach Thread(%p) get: period=%d comp=%d constraint=%d preemt=%d OK: %d\n", thread_id, policy.period, policy.computation, policy.constraint, policy.preemptible, rv == KERN_SUCCESS); printf ("Mach Thread(%p) get: period=%d comp=%d constraint=%d preemt=%d OK: %d\n", thread_id, policy.period, policy.computation, policy.constraint, policy.preemptible, rv == KERN_SUCCESS);
#endif #endif
mach_timebase_info_data_t timebase_info; mach_timebase_info_data_t timebase_info;
mach_timebase_info(&timebase_info); mach_timebase_info (&timebase_info);
const double period_clk = period_ns * (double)timebase_info.denom / (double)timebase_info.numer; const double period_clk = period_ns * (double)timebase_info.denom / (double)timebase_info.numer;
policy.period = period_clk; policy.period = period_clk;
policy.computation = period_clk * .9; policy.computation = period_clk * .9;
policy.constraint = period_clk * .95; policy.constraint = period_clk * .95;
policy.preemptible = true; policy.preemptible = true;
kern_return_t res = thread_policy_set (pthread_mach_thread_np (thread_id), kern_return_t res = thread_policy_set (pthread_mach_thread_np (thread_id),
THREAD_TIME_CONSTRAINT_POLICY, (thread_policy_t) &policy, THREAD_TIME_CONSTRAINT_POLICY, (thread_policy_t)&policy,
THREAD_TIME_CONSTRAINT_POLICY_COUNT); THREAD_TIME_CONSTRAINT_POLICY_COUNT);
#ifndef NDEBUG #ifndef NDEBUG
printf ("Mach Thread(%p) set: period=%d comp=%d constraint=%d preemt=%d OK: %d\n", thread_id, policy.period, policy.computation, policy.constraint, policy.preemptible, res == KERN_SUCCESS); printf ("Mach Thread(%p) set: period=%d comp=%d constraint=%d preemt=%d OK: %d\n", thread_id, policy.period, policy.computation, policy.constraint, policy.preemptible, res == KERN_SUCCESS);