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@@ -21,13 +21,6 @@ |
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#include "../../SDL_internal.h" |
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#include "SDL_dbus.h" |
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#if !SDL_THREADS_DISABLED |
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#include <sys/time.h> |
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#include <sys/resource.h> |
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#include <pthread.h> |
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#include "SDL_system.h" |
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#endif |
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#if SDL_USE_LIBDBUS |
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/* we never link directly to libdbus. */ |
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#include "SDL_loadso.h" |
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@@ -349,82 +342,6 @@ SDL_DBus_ScreensaverInhibit(SDL_bool inhibit) |
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return SDL_TRUE; |
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} |
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#if !SDL_THREADS_DISABLED |
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/* d-bus queries to org.freedesktop.RealtimeKit1. */ |
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#define RTKIT_DBUS_NODE "org.freedesktop.RealtimeKit1" |
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#define RTKIT_DBUS_PATH "/org/freedesktop/RealtimeKit1" |
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#define RTKIT_DBUS_INTERFACE "org.freedesktop.RealtimeKit1" |
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static pthread_once_t rtkit_initialize_once = PTHREAD_ONCE_INIT; |
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static Sint32 rtkit_min_nice_level = -20; |
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static void |
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rtkit_initialize() |
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{ |
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SDL_DBusContext *dbus = SDL_DBus_GetContext(); |
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/* Try getting minimum nice level: this is often greater than PRIO_MIN (-20). */ |
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if (!dbus || !SDL_DBus_QueryPropertyOnConnection(dbus->system_conn, RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MinNiceLevel", |
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DBUS_TYPE_INT32, &rtkit_min_nice_level)) { |
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rtkit_min_nice_level = -20; |
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} |
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} |
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static SDL_bool |
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rtkit_setpriority(pid_t thread, int nice_level) |
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{ |
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Uint64 ui64 = (Uint64)thread; |
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Sint32 si32 = (Sint32)nice_level; |
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SDL_DBusContext *dbus = SDL_DBus_GetContext(); |
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pthread_once(&rtkit_initialize_once, rtkit_initialize); |
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if (si32 < rtkit_min_nice_level) |
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si32 = rtkit_min_nice_level; |
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if (!dbus || !SDL_DBus_CallMethodOnConnection(dbus->system_conn, |
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RTKIT_DBUS_NODE, RTKIT_DBUS_PATH, RTKIT_DBUS_INTERFACE, "MakeThreadHighPriority", |
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DBUS_TYPE_UINT64, &ui64, DBUS_TYPE_INT32, &si32, DBUS_TYPE_INVALID, |
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DBUS_TYPE_INVALID)) { |
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return SDL_FALSE; |
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} |
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return SDL_TRUE; |
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} |
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#endif |
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#endif |
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/* this is a public symbol, so it has to exist even if threads are disabled. */ |
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int |
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SDL_LinuxSetThreadPriority(Sint64 threadID, int priority) |
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{ |
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#if SDL_THREADS_DISABLED |
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return SDL_Unsupported(); |
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#else |
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if (setpriority(PRIO_PROCESS, (id_t)threadID, priority) == 0) { |
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return 0; |
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} |
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#if SDL_USE_LIBDBUS |
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/* Note that this fails if you're trying to set high priority |
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and you don't have root permission. BUT DON'T RUN AS ROOT! |
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You can grant the ability to increase thread priority by |
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running the following command on your application binary: |
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sudo setcap 'cap_sys_nice=eip' <application> |
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Let's try setting priority with RealtimeKit... |
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README and sample code at: http://git.0pointer.net/rtkit.git |
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*/ |
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if (rtkit_setpriority((pid_t)threadID, priority)) { |
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return 0; |
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} |
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#endif |
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return SDL_SetError("setpriority() failed"); |
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#endif |
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} |
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/* vi: set ts=4 sw=4 expandtab: */ |
