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Use native threading and locking APIs on Windows

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Removes dependency on pthread library and uses fast Slim Reader/Writer (SRW) locks for NSLock/NSRecursiveLock/NSCondition/NSConditionLock as well as all internal locks. Adds GS_MUTEX_*() macros in GSPThread.h, that are being used for all internal locking instead of pthread APIs.

Also adds support for thread priorities on Windows, fixes method signature of +[NSThread setThreadPriority:] to match Apple platforms, and adds error handling in same method.
This commit is contained in:
Frederik Seiffert 2021-07-28 16:17:47 +02:00 • committed by Frederik Seiffert
parent 3b8bbb00ba
commit abfe4e2a04
29 changed files with 1611 additions and 640 deletions
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6
Source/NSScanner.m
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@ -246,11 +246,11 @@ typedef GSString *ivars;
*/
+ (BOOL) _scanDouble: (double*)value from: (NSString*)str
{
static pthread_mutex_t myLock = PTHREAD_MUTEX_INITIALIZER;
static gs_mutex_t myLock = GS_MUTEX_INIT_STATIC;
static NSScanner *doubleScanner = nil;
BOOL ok = NO;
pthread_mutex_lock(&myLock);
GS_MUTEX_LOCK(myLock);
if (nil == doubleScanner)
{
doubleScanner = [[self alloc] initWithString: _empty];
@ -258,7 +258,7 @@ typedef GSString *ivars;
[doubleScanner _setString: str];
ok = [doubleScanner scanDouble: value];
[doubleScanner _setString: _empty]; // Release scanned string
pthread_mutex_unlock(&myLock);
GS_MUTEX_UNLOCK(myLock);
return ok;
}