Mercurial > projects > ldc
view lphobos/internal/critical.d @ 1404:11b122f92136
Now that templates instantiations are no longer emitted for all modules that
even blink at them they seem to break due to being linkonce (if compiled with
any optimization level > 0), so let's give them weak linkage instead.
The difference is that unreferenced linkonce symbols can be deleted, while
weak symbols need to be preserved.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 21 May 2009 15:23:28 +0200 |
parents | 373489eeaf90 |
children |
line wrap: on
line source
module internal.critical; extern(C): import std.c.linux.linux, std.c.stdlib:ccalloc=calloc, cmalloc=malloc, cfree=free; struct CritSec { pthread_mutex_t* p; } const PTHREAD_MUTEX_RECURSIVE = 1, PTHREAD_MUTEX_ERRORCHECK=2; extern(C) int pthread_self(); void _d_criticalenter(CritSec* cs) { if (!cs.p) { auto newp = cast(pthread_mutex_t*) cmalloc(pthread_mutex_t.sizeof); auto cspp = &cs.p; pthread_mutexattr_t mt; pthread_mutexattr_init(&mt); pthread_mutexattr_settype(&mt, PTHREAD_MUTEX_RECURSIVE); printf("Create -> %i\n", pthread_mutex_init(newp, &mt)); asm { xor EAX, EAX; mov ECX, newp; mov EDX, cspp; lock; cmpxchg int ptr [EDX], ECX; } if (cs.p != newp) pthread_mutex_destroy(newp); } auto count = (cast(uint*) cs.p)[1]; // printf("%i ::%u\n", pthread_self(), count); //printf("%i: Lock %p -> %i\n", pthread_self(), cs.p, pthread_mutex_lock(cs.p);//); } void _d_criticalexit(CritSec* cs) { //printf("%i: Unlock %p -> %i\n", pthread_self(), cs.p, pthread_mutex_unlock(cs.p);//); } void _d_monitorenter(Object h) { _d_criticalenter(cast(CritSec*) &h.__monitor); } void _d_monitorexit(Object h) { _d_criticalexit(cast(CritSec*) &h.__monitor); } void _STI_monitor_staticctor() { } void _STI_critical_init() { } void _STI_critical_term() { } void _STD_monitor_staticdtor() { } void _STD_critical_term() { }