115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
/*************************************************************************/
|
|
/* sem_iphone.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "sem_iphone.h"
|
|
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
|
|
void cgsem_init(cgsem_t *cgsem)
|
|
{
|
|
int flags, fd, i;
|
|
|
|
pipe(cgsem->pipefd);
|
|
|
|
/* Make the pipes FD_CLOEXEC to allow them to close should we call
|
|
* execv on restart. */
|
|
for (i = 0; i < 2; i++) {
|
|
fd = cgsem->pipefd[i];
|
|
flags = fcntl(fd, F_GETFD, 0);
|
|
flags |= FD_CLOEXEC;
|
|
fcntl(fd, F_SETFD, flags);
|
|
}
|
|
}
|
|
|
|
void cgsem_post(cgsem_t *cgsem)
|
|
{
|
|
const char buf = 1;
|
|
|
|
write(cgsem->pipefd[1], &buf, 1);
|
|
}
|
|
|
|
void cgsem_wait(cgsem_t *cgsem)
|
|
{
|
|
char buf;
|
|
|
|
read(cgsem->pipefd[0], &buf, 1);
|
|
}
|
|
|
|
void cgsem_destroy(cgsem_t *cgsem)
|
|
{
|
|
close(cgsem->pipefd[1]);
|
|
close(cgsem->pipefd[0]);
|
|
}
|
|
|
|
|
|
#include "os/memory.h"
|
|
#include <errno.h>
|
|
|
|
|
|
Error SemaphoreIphone::wait() {
|
|
|
|
cgsem_wait(&sem);
|
|
return OK;
|
|
}
|
|
|
|
Error SemaphoreIphone::post() {
|
|
|
|
cgsem_post(&sem);
|
|
|
|
return OK;
|
|
}
|
|
int SemaphoreIphone::get() const {
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
Semaphore *SemaphoreIphone::create_semaphore_iphone() {
|
|
|
|
return memnew( SemaphoreIphone );
|
|
}
|
|
|
|
void SemaphoreIphone::make_default() {
|
|
|
|
create_func=create_semaphore_iphone;
|
|
}
|
|
|
|
SemaphoreIphone::SemaphoreIphone() {
|
|
|
|
cgsem_init(&sem);
|
|
}
|
|
|
|
|
|
SemaphoreIphone::~SemaphoreIphone() {
|
|
|
|
cgsem_destroy(&sem);
|
|
}
|
|
|
|
|
|
|