SDL  2.0
SDL_systhread.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #if SDL_THREAD_PSP
24 
25 /* PSP thread management routines for SDL */
26 
27 #include <stdio.h>
28 #include <stdlib.h>
29 
30 #include "SDL_error.h"
31 #include "SDL_thread.h"
32 #include "../SDL_systhread.h"
33 #include "../SDL_thread_c.h"
34 #include <pspkerneltypes.h>
35 #include <pspthreadman.h>
36 
37 
38 static int ThreadEntry(SceSize args, void *argp)
39 {
40  SDL_RunThread(*(void **) argp);
41  return 0;
42 }
43 
44 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
45 {
46  SceKernelThreadInfo status;
47  int priority = 32;
48 
49  /* Set priority of new thread to the same as the current thread */
50  status.size = sizeof(SceKernelThreadInfo);
51  if (sceKernelReferThreadStatus(sceKernelGetThreadId(), &status) == 0) {
52  priority = status.currentPriority;
53  }
54 
55  thread->handle = sceKernelCreateThread(thread->name, ThreadEntry,
56  priority, thread->stacksize ? ((int) thread->stacksize) : 0x8000,
57  PSP_THREAD_ATTR_VFPU, NULL);
58  if (thread->handle < 0) {
59  return SDL_SetError("sceKernelCreateThread() failed");
60  }
61 
62  sceKernelStartThread(thread->handle, 4, &args);
63  return 0;
64 }
65 
66 void SDL_SYS_SetupThread(const char *name)
67 {
68  /* Do nothing. */
69 }
70 
72 {
73  return (SDL_threadID) sceKernelGetThreadId();
74 }
75 
76 void SDL_SYS_WaitThread(SDL_Thread *thread)
77 {
78  sceKernelWaitThreadEnd(thread->handle, NULL);
79  sceKernelDeleteThread(thread->handle);
80 }
81 
82 void SDL_SYS_DetachThread(SDL_Thread *thread)
83 {
84  /* !!! FIXME: is this correct? */
85  sceKernelDeleteThread(thread->handle);
86 }
87 
88 void SDL_SYS_KillThread(SDL_Thread *thread)
89 {
90  sceKernelTerminateDeleteThread(thread->handle);
91 }
92 
94 {
95  int value;
96 
97  if (priority == SDL_THREAD_PRIORITY_LOW) {
98  value = 19;
99  } else if (priority == SDL_THREAD_PRIORITY_HIGH) {
100  value = -20;
101  } else {
102  value = 0;
103  }
104 
105  return sceKernelChangeThreadPriority(sceKernelGetThreadId(),value);
106 
107 }
108 
109 #endif /* SDL_THREAD_PSP */
110 
111 /* vim: ts=4 sw=4
112  */
char * name
Definition: SDL_thread_c.h:61
GLuint const GLchar * name
SDL_threadID SDL_ThreadID(void)
Definition: SDL_systhread.c:48
void SDL_SYS_WaitThread(SDL_Thread *thread)
Definition: SDL_systhread.c:60
int SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
Definition: SDL_systhread.c:54
GLsizei const GLfloat * value
void SDL_SYS_DetachThread(SDL_Thread *thread)
Definition: SDL_systhread.c:66
#define NULL
Definition: begin_code.h:164
SYS_ThreadHandle handle
Definition: SDL_thread_c.h:57
#define SDL_SetError
SDL_ThreadPriority
Definition: SDL_thread.h:59
void SDL_RunThread(void *data)
Definition: SDL_thread.c:265
void SDL_SYS_SetupThread(const char *name)
Definition: SDL_systhread.c:42
int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
Definition: SDL_systhread.c:35
size_t stacksize
Definition: SDL_thread_c.h:62
unsigned long SDL_threadID
Definition: SDL_thread.h:49