From a855d6202536ff28e5aae4f22a0f31d8f5b325d0 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sat, 21 Jan 2017 15:18:31 -0500 Subject: Port of Duke Nukem 3D This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL for Rockbox. Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9 --- apps/plugins/sdl/src/thread/beos/SDL_syssem.c | 142 +++++++++++++++++++++ apps/plugins/sdl/src/thread/beos/SDL_systhread.c | 96 ++++++++++++++ apps/plugins/sdl/src/thread/beos/SDL_systhread_c.h | 31 +++++ 3 files changed, 269 insertions(+) create mode 100644 apps/plugins/sdl/src/thread/beos/SDL_syssem.c create mode 100644 apps/plugins/sdl/src/thread/beos/SDL_systhread.c create mode 100644 apps/plugins/sdl/src/thread/beos/SDL_systhread_c.h (limited to 'apps/plugins/sdl/src/thread/beos') diff --git a/apps/plugins/sdl/src/thread/beos/SDL_syssem.c b/apps/plugins/sdl/src/thread/beos/SDL_syssem.c new file mode 100644 index 0000000000..eba1944bc8 --- /dev/null +++ b/apps/plugins/sdl/src/thread/beos/SDL_syssem.c @@ -0,0 +1,142 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* Semaphores in the BeOS environment */ + +#include + +#include "SDL_thread.h" + + +struct SDL_semaphore { + sem_id id; +}; + +/* Create a counting semaphore */ +SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) +{ + SDL_sem *sem; + + sem = (SDL_sem *)SDL_malloc(sizeof(*sem)); + if ( sem ) { + sem->id = create_sem(initial_value, "SDL semaphore"); + if ( sem->id < B_NO_ERROR ) { + SDL_SetError("create_sem() failed"); + SDL_free(sem); + sem = NULL; + } + } else { + SDL_OutOfMemory(); + } + return(sem); +} + +/* Free the semaphore */ +void SDL_DestroySemaphore(SDL_sem *sem) +{ + if ( sem ) { + if ( sem->id >= B_NO_ERROR ) { + delete_sem(sem->id); + } + SDL_free(sem); + } +} + +int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) +{ + int32 val; + int retval; + + if ( ! sem ) { + SDL_SetError("Passed a NULL semaphore"); + return -1; + } + + tryagain: + if ( timeout == SDL_MUTEX_MAXWAIT ) { + val = acquire_sem(sem->id); + } else { + timeout *= 1000; /* BeOS uses a timeout in microseconds */ + val = acquire_sem_etc(sem->id, 1, B_RELATIVE_TIMEOUT, timeout); + } + switch (val) { + case B_INTERRUPTED: + goto tryagain; + case B_NO_ERROR: + retval = 0; + break; + case B_TIMED_OUT: + retval = SDL_MUTEX_TIMEDOUT; + break; + case B_WOULD_BLOCK: + retval = SDL_MUTEX_TIMEDOUT; + break; + default: + SDL_SetError("acquire_sem() failed"); + retval = -1; + break; + } + + return retval; +} + +int SDL_SemTryWait(SDL_sem *sem) +{ + return SDL_SemWaitTimeout(sem, 0); +} + +int SDL_SemWait(SDL_sem *sem) +{ + return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT); +} + +/* Returns the current count of the semaphore */ +Uint32 SDL_SemValue(SDL_sem *sem) +{ + int32 count; + Uint32 value; + + value = 0; + if ( sem ) { + get_sem_count(sem->id, &count); + if ( count > 0 ) { + value = (Uint32)count; + } + } + return value; +} + +/* Atomically increases the semaphore's count (not blocking) */ +int SDL_SemPost(SDL_sem *sem) +{ + if ( ! sem ) { + SDL_SetError("Passed a NULL semaphore"); + return -1; + } + + if ( release_sem(sem->id) != B_NO_ERROR ) { + SDL_SetError("release_sem() failed"); + return -1; + } + return 0; +} diff --git a/apps/plugins/sdl/src/thread/beos/SDL_systhread.c b/apps/plugins/sdl/src/thread/beos/SDL_systhread.c new file mode 100644 index 0000000000..63b52075f0 --- /dev/null +++ b/apps/plugins/sdl/src/thread/beos/SDL_systhread.c @@ -0,0 +1,96 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* BeOS thread management routines for SDL */ + +#include +#include +#include + +#include "SDL_mutex.h" +#include "SDL_thread.h" +#include "../SDL_thread_c.h" +#include "../SDL_systhread.h" + + +static int sig_list[] = { + SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0 +}; + +void SDL_MaskSignals(sigset_t *omask) +{ + sigset_t mask; + int i; + + sigemptyset(&mask); + for ( i=0; sig_list[i]; ++i ) { + sigaddset(&mask, sig_list[i]); + } + sigprocmask(SIG_BLOCK, &mask, omask); +} +void SDL_UnmaskSignals(sigset_t *omask) +{ + sigprocmask(SIG_SETMASK, omask, NULL); +} + +static int32 RunThread(void *data) +{ + SDL_RunThread(data); + return(0); +} + +int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) +{ + /* Create the thread and go! */ + thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args); + if ( (thread->handle == B_NO_MORE_THREADS) || + (thread->handle == B_NO_MEMORY) ) { + SDL_SetError("Not enough resources to create thread"); + return(-1); + } + resume_thread(thread->handle); + return(0); +} + +void SDL_SYS_SetupThread(void) +{ + /* Mask asynchronous signals for this thread */ + SDL_MaskSignals(NULL); +} + +Uint32 SDL_ThreadID(void) +{ + return((Uint32)find_thread(NULL)); +} + +void SDL_SYS_WaitThread(SDL_Thread *thread) +{ + status_t the_status; + + wait_for_thread(thread->handle, &the_status); +} + +void SDL_SYS_KillThread(SDL_Thread *thread) +{ + kill_thread(thread->handle); +} diff --git a/apps/plugins/sdl/src/thread/beos/SDL_systhread_c.h b/apps/plugins/sdl/src/thread/beos/SDL_systhread_c.h new file mode 100644 index 0000000000..f82548e463 --- /dev/null +++ b/apps/plugins/sdl/src/thread/beos/SDL_systhread_c.h @@ -0,0 +1,31 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#include +#include + +typedef thread_id SYS_ThreadHandle; + +/* Functions needed to work with system threads in other portions of SDL */ +extern void SDL_MaskSignals(sigset_t *omask); +extern void SDL_UnmaskSignals(sigset_t *omask); -- cgit v1.2.3