mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2026-05-02 12:04:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use C++ style comments consistently in SDL source code

Browse Source 
Implemented using this script:

find . -type f -exec sed -i'' -e 's,/\* *\([^*]*\)\*/ *$,// \1,' -e 's, \+$,,' {} \;
git checkout \
    core/linux/SDL_evdev_kbd_default_keymap.h \
    events/imKStoUCS.* \
    hidapi \
    joystick/controller_type.c \
    joystick/controller_type.h \
    joystick/hidapi/steam/controller_constants.h \
    joystick/hidapi/steam/controller_structs.h \
    joystick/SDL_gamepad_db.h \
    libm \
    render/*/*Shader*.h \
    render/vitagxm/SDL_render_vita_gxm_shaders.h \
    render/metal/SDL_shaders_metal_*.h \
    stdlib/SDL_malloc.c \
    stdlib/SDL_qsort.c \
    stdlib/SDL_strtokr.c \
    test/ \
    video/directx/SDL_d3d12_xbox_cmacros.h \
    video/directx/d3d12.h \
    video/directx/d3d12sdklayers.h \
    video/khronos \
    video/x11/edid-parse.c \
    video/x11/xsettings-client.* \
    video/yuv2rgb
sed -i'' -e 's,/\* *\([^*]*\)\*/ *$,// \1,' -e 's, \+$,,' hidapi/SDL_hidapi.c
This commit is contained in:
Sam Lantinga
2024-08-22 10:30:45 -07:00
parent 658fc3db0f
commit 6501e90018
743 changed files with 11882 additions and 11882 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
src/timer/SDL_timer.c
View File

@@ -23,7 +23,7 @@
#include "SDL_timer_c.h"
#include "../thread/SDL_systhread.h"
/* #define DEBUG_TIMERS */
// #define DEBUG_TIMERS
#if !defined(SDL_PLATFORM_EMSCRIPTEN) || !defined(SDL_THREADS_DISABLED)
@@ -46,25 +46,25 @@ typedef struct SDL_TimerMap
struct SDL_TimerMap *next;
} SDL_TimerMap;
/* The timers are kept in a sorted list */
// The timers are kept in a sorted list
typedef struct
{
/* Data used by the main thread */
// Data used by the main thread
SDL_Thread *thread;
SDL_TimerMap *timermap;
SDL_Mutex *timermap_lock;
/* Padding to separate cache lines between threads */
// Padding to separate cache lines between threads
char cache_pad[SDL_CACHELINE_SIZE];
/* Data used to communicate with the timer thread */
// Data used to communicate with the timer thread
SDL_SpinLock lock;
SDL_Semaphore *sem;
SDL_Timer *pending;
SDL_Timer *freelist;
SDL_AtomicInt active;
/* List of timers - this is only touched by the timer thread */
// List of timers - this is only touched by the timer thread
SDL_Timer *timers;
} SDL_TimerData;
@@ -87,7 +87,7 @@ static void SDL_AddTimerInternal(SDL_TimerData *data, SDL_Timer *timer)
}
}
/* Insert the timer here! */
// Insert the timer here!
if (prev) {
prev->next = timer;
} else {
@@ -111,14 +111,14 @@ static int SDLCALL SDL_TimerThread(void *_data)
* 3. Wait until next dispatch time or new timer arrives
*/
for (;;) {
/* Pending and freelist maintenance */
// Pending and freelist maintenance
SDL_LockSpinlock(&data->lock);
{
/* Get any timers ready to be queued */
// Get any timers ready to be queued
pending = data->pending;
data->pending = NULL;
/* Make any unused timer structures available */
// Make any unused timer structures available
if (freelist_head) {
freelist_tail->next = data->freelist;
data->freelist = freelist_head;
@@ -126,7 +126,7 @@ static int SDLCALL SDL_TimerThread(void *_data)
}
SDL_UnlockSpinlock(&data->lock);
/* Sort the pending timers into our list */
// Sort the pending timers into our list
while (pending) {
current = pending;
pending = pending->next;
@@ -135,27 +135,27 @@ static int SDLCALL SDL_TimerThread(void *_data)
freelist_head = NULL;
freelist_tail = NULL;
/* Check to see if we're still running, after maintenance */
// Check to see if we're still running, after maintenance
if (!SDL_AtomicGet(&data->active)) {
break;
}
/* Initial delay if there are no timers */
// Initial delay if there are no timers
delay = (Uint64)-1;
tick = SDL_GetTicksNS();
/* Process all the pending timers for this tick */
// Process all the pending timers for this tick
while (data->timers) {
current = data->timers;
if (tick < current->scheduled) {
/* Scheduled for the future, wait a bit */
// Scheduled for the future, wait a bit
delay = (current->scheduled - tick);
break;
}
/* We're going to do something with this timer */
// We're going to do something with this timer
data->timers = current->next;
if (SDL_AtomicGet(&current->canceled)) {
@@ -169,7 +169,7 @@ static int SDLCALL SDL_TimerThread(void *_data)
}
if (interval > 0) {
/* Reschedule this timer */
// Reschedule this timer
current->interval = interval;
current->scheduled = tick + interval;
SDL_AddTimerInternal(data, current);
@@ -186,7 +186,7 @@ static int SDLCALL SDL_TimerThread(void *_data)
}
}
/* Adjust the delay based on processing time */
// Adjust the delay based on processing time
now = SDL_GetTicksNS();
interval = (now - tick);
if (interval > delay) {
@@ -224,7 +224,7 @@ int SDL_InitTimers(void)
SDL_AtomicSet(&data->active, 1);
/* Timer threads use a callback into the app, so we can't set a limited stack size here. */
// Timer threads use a callback into the app, so we can't set a limited stack size here.
data->thread = SDL_CreateThread(SDL_TimerThread, name, data);
if (!data->thread) {
SDL_QuitTimers();
@@ -240,8 +240,8 @@ void SDL_QuitTimers(void)
SDL_Timer *timer;
SDL_TimerMap *entry;
if (SDL_AtomicCompareAndSwap(&data->active, 1, 0)) { /* active? Move to inactive. */
/* Shutdown the timer thread */
if (SDL_AtomicCompareAndSwap(&data->active, 1, 0)) { // active? Move to inactive.
// Shutdown the timer thread
if (data->thread) {
SDL_SignalSemaphore(data->sem);
SDL_WaitThread(data->thread, NULL);
@@ -251,7 +251,7 @@ void SDL_QuitTimers(void)
SDL_DestroySemaphore(data->sem);
data->sem = NULL;
/* Clean up the timer entries */
// Clean up the timer entries
while (data->timers) {
timer = data->timers;
data->timers = timer->next;
@@ -327,13 +327,13 @@ static SDL_TimerID SDL_CreateTimer(Uint64 interval, SDL_TimerCallback callback_m
data->timermap = entry;
SDL_UnlockMutex(data->timermap_lock);
/* Add the timer to the pending list for the timer thread */
// Add the timer to the pending list for the timer thread
SDL_LockSpinlock(&data->lock);
timer->next = data->pending;
data->pending = timer;
SDL_UnlockSpinlock(&data->lock);
/* Wake up the timer thread if necessary */
// Wake up the timer thread if necessary
SDL_SignalSemaphore(data->sem);
return entry->timerID;
@@ -359,7 +359,7 @@ int SDL_RemoveTimer(SDL_TimerID id)
return SDL_InvalidParamError("id");
}
/* Find the timer */
// Find the timer
SDL_LockMutex(data->timermap_lock);
prev = NULL;
for (entry = data->timermap; entry; prev = entry, entry = entry->next) {
@@ -492,7 +492,7 @@ int SDL_RemoveTimer(SDL_TimerID id)
return SDL_InvalidParamError("id");
}
/* Find the timer */
// Find the timer
prev = NULL;
for (entry = data->timermap; entry; prev = entry, entry = entry->next) {
if (entry->timerID == id) {
@@ -514,7 +514,7 @@ int SDL_RemoveTimer(SDL_TimerID id)
}
}
#endif /* !defined(SDL_PLATFORM_EMSCRIPTEN) || !SDL_THREADS_DISABLED */
#endif // !defined(SDL_PLATFORM_EMSCRIPTEN) || !SDL_THREADS_DISABLED
static Uint64 tick_start;
static Uint32 tick_numerator_ns;
@@ -544,14 +544,14 @@ static void SDL_SetSystemTimerResolutionMS(int period)
timeBeginPeriod((UINT)timer_period);
}
}
#endif /* HAVE_TIME_BEGIN_PERIOD */
#endif // HAVE_TIME_BEGIN_PERIOD
}
static void SDLCALL SDL_TimerResolutionChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{
int period;
/* Unless the hint says otherwise, let's have good sleep precision */
// Unless the hint says otherwise, let's have good sleep precision
if (hint && *hint) {
period = SDL_atoi(hint);
} else {
@@ -606,7 +606,7 @@ void SDL_QuitTicks(void)
SDL_DelHintCallback(SDL_HINT_TIMER_RESOLUTION,
SDL_TimerResolutionChanged, NULL);
SDL_SetSystemTimerResolutionMS(0); /* always release our timer resolution request. */
SDL_SetSystemTimerResolutionMS(0); // always release our timer resolution request.
tick_start = 0;
}