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* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include <assert.h>
#include <errno.h>
#include <dos/dostags.h>
#include <proto/dos.h>
#include <proto/exec.h>
#import "OFData.h"
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bool
of_thread_new(of_thread_t *thread, void (*function)(id), id object,
const of_thread_attr_t *attr)
{
OFMutableData *tags = nil;
if ((*thread = calloc(1, sizeof(**thread))) == NULL)
if ((*thread = calloc(1, sizeof(**thread))) == NULL) {
errno = ENOMEM;
return false;
}
@try {
(*thread)->function = function;
(*thread)->object = object;
InitSemaphore(&(*thread)->semaphore);
tags = [[OFMutableData alloc]
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ADD_TAG(NP_Output, ((struct Process *)FindTask(NULL))->pr_COS)
ADD_TAG(NP_Error, ((struct Process *)FindTask(NULL))->pr_CES)
ADD_TAG(NP_CloseInput, FALSE)
ADD_TAG(NP_CloseOutput, FALSE)
ADD_TAG(NP_CloseError, FALSE)
if (attr != NULL && attr->priority != 0) {
if (attr->priority < 1 || attr->priority > 1)
if (attr->priority < 1 || attr->priority > 1) {
errno = EINVAL;
return false;
}
/*
* -1 should be -128 (lowest possible priority) while
* +1 should be +127 (highest possible priority).
*/
ADD_TAG(NP_Priority, (attr->priority > 0
? attr->priority * 127 : attr->priority * 128))
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ADD_TAG(TAG_DONE, 0)
#undef ADD_TAG
(*thread)->task = (struct Task *)CreateNewProc(tags.items);
if ((*thread)->task == NULL) {
free(*thread);
errno = EAGAIN;
return false;
}
} @catch (id e) {
free(*thread);
@throw e;
} @finally {
[tags release];
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{
return of_tlskey_get(threadKey);
}
bool
of_thread_join(of_thread_t thread)
{
bool ret;
if (thread->detached || thread->joinTask != NULL)
if (thread->detached || thread->joinTask != NULL) {
errno = EINVAL;
return false;
if ((thread->joinSigBit = AllocSignal(-1)) == -1)
}
if ((thread->joinSigBit = AllocSignal(-1)) == -1) {
errno = EAGAIN;
return false;
}
thread->joinTask = FindTask(NULL);
} @finally {
ReleaseSemaphore(&thread->semaphore);
}
Wait(1 << thread->joinSigBit);
Wait(1ul << thread->joinSigBit);
FreeSignal(thread->joinSigBit);
ret = thread->done;
assert(thread->done);
free(thread);
return ret;
return true;
}
bool
of_thread_detach(of_thread_t thread)
{
ObtainSemaphore(&thread->semaphore);
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