22 #include "../../SDL_internal.h" 27 #include <pthread_np.h> 34 #include <sys/resource.h> 35 #include <sys/syscall.h> 39 #include "../../core/linux/SDL_dbus.h" 42 #if defined(__LINUX__) || defined(__MACOSX__) || defined(__IPHONEOS__) 45 #define RTLD_DEFAULT NULL 52 #include "../SDL_thread_c.h" 53 #include "../SDL_systhread.h" 55 #include "../../core/android/SDL_android.h" 59 #include <kernel/OS.h> 67 SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGWINCH,
82 #if defined(__MACOSX__) || defined(__IPHONEOS__) 84 static int (*ppthread_setname_np)(
const char*) =
NULL;
85 #elif defined(__LINUX__) 87 static int (*ppthread_setname_np)(pthread_t,
const char*) =
NULL;
95 #if defined(__MACOSX__) || defined(__IPHONEOS__) || defined(__LINUX__) 96 if (!checked_setname) {
97 void *fn = dlsym(RTLD_DEFAULT,
"pthread_setname_np");
98 #if defined(__MACOSX__) || defined(__IPHONEOS__) 99 ppthread_setname_np = (int(*)(
const char*)) fn;
100 #elif defined(__LINUX__) 101 ppthread_setname_np = (int(*)(pthread_t,
const char*)) fn;
108 if (pthread_attr_init(&type) != 0) {
109 return SDL_SetError(
"Couldn't initialize pthread attributes");
111 pthread_attr_setdetachstate(&type, PTHREAD_CREATE_JOINABLE);
115 pthread_attr_setstacksize(&type, (
size_t) thread->
stacksize);
120 return SDL_SetError(
"Not enough resources to create thread");
129 #if !defined(__NACL__) 135 #if defined(__MACOSX__) || defined(__IPHONEOS__) || defined(__LINUX__) 137 if (ppthread_setname_np !=
NULL) {
138 #if defined(__MACOSX__) || defined(__IPHONEOS__) 139 ppthread_setname_np(name);
140 #elif defined(__LINUX__) 141 ppthread_setname_np(pthread_self(), name);
144 #elif HAVE_PTHREAD_SETNAME_NP 145 #if defined(__NETBSD__) 146 pthread_setname_np(pthread_self(),
"%s", name);
148 pthread_setname_np(pthread_self(), name);
150 #elif HAVE_PTHREAD_SET_NAME_NP 151 pthread_set_name_np(pthread_self(), name);
152 #elif defined(__HAIKU__) 154 char namebuf[B_OS_NAME_LENGTH];
156 namebuf[
sizeof (namebuf) - 1] =
'\0';
157 rename_thread(find_thread(
NULL), namebuf);
162 #if !defined(__NACL__) 168 pthread_sigmask(SIG_BLOCK, &mask, 0);
172 #ifdef PTHREAD_CANCEL_ASYNCHRONOUS 176 pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldstate);
191 #define RTKIT_DBUS_NODE "org.freedesktop.RealtimeKit1" 192 #define RTKIT_DBUS_PATH "/org/freedesktop/RealtimeKit1" 193 #define RTKIT_DBUS_INTERFACE "org.freedesktop.RealtimeKit1" 195 static pthread_once_t rtkit_initialize_once = PTHREAD_ONCE_INIT;
196 static Sint32 rtkit_min_nice_level = -20;
201 SDL_DBusContext *dbus = SDL_DBus_GetContext();
204 if (!dbus || !SDL_DBus_QueryPropertyOnConnection(dbus->system_conn, RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE,
"MinNiceLevel",
205 DBUS_TYPE_INT32, &rtkit_min_nice_level)) {
206 rtkit_min_nice_level = -20;
211 rtkit_setpriority(pid_t thread,
int nice_level)
215 SDL_DBusContext *dbus = SDL_DBus_GetContext();
217 pthread_once(&rtkit_initialize_once, rtkit_initialize);
219 if (si32 < rtkit_min_nice_level)
220 si32 = rtkit_min_nice_level;
222 if (!dbus || !SDL_DBus_CallMethodOnConnection(dbus->system_conn,
223 RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE,
"MakeThreadHighPriority",
224 DBUS_TYPE_UINT64, &ui64, DBUS_TYPE_INT32, &si32, DBUS_TYPE_INVALID,
225 DBUS_TYPE_INVALID)) {
234 rtkit_setpriority(pid_t thread,
int nice_level)
244 if (setpriority(PRIO_PROCESS, (id_t)threadID, priority) < 0) {
257 if (rtkit_setpriority((pid_t)threadID, priority) ==
SDL_FALSE) {
273 pid_t thread = syscall(SYS_gettid);
286 struct sched_param sched;
288 pthread_t thread = pthread_self();
290 if (pthread_getschedparam(thread, &policy, &sched) != 0) {
294 sched.sched_priority = sched_get_priority_min(policy);
296 sched.sched_priority = sched_get_priority_max(policy);
298 int min_priority = sched_get_priority_min(policy);
299 int max_priority = sched_get_priority_max(policy);
300 sched.sched_priority = (min_priority + (max_priority - min_priority) / 2);
302 sched.sched_priority += ((max_priority - min_priority) / 4);
305 if (pthread_setschedparam(thread, policy, &sched) != 0) {
315 pthread_join(thread->
handle, 0);
321 pthread_detach(thread->
handle);
static void * RunThread(void *data)
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
#define SDL_LinuxSetThreadPriority
GLuint const GLchar * name
int Android_JNI_SetupThread(void)
SDL_threadID SDL_ThreadID(void)
void SDL_SYS_WaitThread(SDL_Thread *thread)
int SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
GLsizei const GLfloat * value
void SDL_SYS_DetachThread(SDL_Thread *thread)
static const int sig_list[]
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
#define SDL_assert(condition)
void SDL_RunThread(void *data)
void SDL_SYS_SetupThread(const char *name)
GLuint GLuint GLsizei GLenum type
int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
unsigned long SDL_threadID