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* Headers/Additions/GNUstepBase/GSObjCRuntime.h/m

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(GSAllocateMutexAt): New function.
        (_GSObjCRuntimeInitializer): Define local support class.

        * Headers/Additions/GNUstepBase/objc-gnu2next.h: Fixed minor
        whitespace issues.
        (objc_mutex_t, objc_mutex_allocate, objc_mutex_deallocate)
        (objc_mutex_lock, objc_mutex_unlock, objc_mutex_trylock):
        Declare
        for the NeXT runtime.
        * Source/Additions/GSNextRuntime.m
        (objc_mutex_allocate, objc_mutex_deallocate)
        (objc_mutex_lock, objc_mutex_unlock, objc_mutex_trylock):
        Implement for NeXT runtime.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@19249 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
ayers 2004-05-06 15:25:01 +00:00
parent 0407dc9e41
commit 30b5b57280
5 changed files with 162 additions and 2 deletions
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56
Source/Additions/GSNextRuntime.m
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@ -593,3 +593,59 @@ objc_set_error_handler(objc_error_handler func)
return temp;
}
/*
* Functions for threading support.
*/
/* This currently assumes that the NeXT Runtime is using pthreads
as the underlying thread support. This is true for 'modern' NeXT
Runtime implementations but it may not be for older versions. */
#include <pthread.h>
objc_mutex_t
objc_mutex_allocate(void)
{
pthread_mutex_t *p;
p = (pthread_mutex_t *)calloc(1, sizeof(pthread_mutex_t));
if (pthread_mutex_init(p, NULL) != 0)
{
abort();
}
return (objc_mutex_t)p;
}
int
objc_mutex_deallocate(objc_mutex_t mutex)
{
int ret;
pthread_mutex_t *p = (pthread_mutex_t *)mutex;
ret = pthread_mutex_destroy(p);
if (ret == 0)
{
free(p);
}
return ret;
}
int
objc_mutex_lock(objc_mutex_t mutex)
{
pthread_mutex_t *p = (pthread_mutex_t *)mutex;
return pthread_mutex_lock(p);
}
int
objc_mutex_unlock (objc_mutex_t mutex)
{
pthread_mutex_t *p = (pthread_mutex_t *)mutex;
return pthread_mutex_unlock(p);
}
int
objc_mutex_trylock (objc_mutex_t mutex)
{
pthread_mutex_t *p = (pthread_mutex_t *)mutex;
return pthread_mutex_trylock(p);
}