This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_systhread.c
2
3
Simple DirectMedia Layer
Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
5
6
7
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
9
10
11
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
13
14
15
16
17
18
19
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
20
*/
21
#include "SDL_config.h"
22
23
24
25
26
27
28
29
30
/* BeOS thread management routines for SDL */
#include <stdio.h>
#include <signal.h>
#include <be/kernel/OS.h>
#include "SDL_mutex.h"
#include "SDL_thread.h"
31
32
#include "../SDL_thread_c.h"
#include "../SDL_systhread.h"
33
34
35
static int sig_list[] = {
36
SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
37
38
};
39
40
void
SDL_MaskSignals(sigset_t * omask)
42
43
44
45
46
47
48
49
sigset_t mask;
int i;
sigemptyset(&mask);
for (i = 0; sig_list[i]; ++i) {
sigaddset(&mask, sig_list[i]);
}
sigprocmask(SIG_BLOCK, &mask, omask);
51
52
53
void
SDL_UnmaskSignals(sigset_t * omask)
55
sigprocmask(SIG_SETMASK, omask, NULL);
56
57
}
58
59
static int32
RunThread(void *data)
61
62
SDL_RunThread(data);
return (0);
63
64
}
65
66
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
68
69
70
71
72
73
74
75
76
/* 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);
77
78
}
79
80
void
SDL_SYS_SetupThread(void)
82
83
/* Mask asynchronous signals for this thread */
SDL_MaskSignals(NULL);
84
85
}
86
SDL_threadID
87
SDL_ThreadID(void)
89
return ((SDL_threadID) find_thread(NULL));
90
91
}
92
93
94
int
SDL_SYS_SetThreadPriority(SDL_Thread * thread, SDL_ThreadPriority priority)
{
96
97
if (priority == SDL_THREAD_PRIORITY_LOW) {
98
value = B_LOW_PRIORITY;
99
} else if (priority == SDL_THREAD_PRIORITY_HIGH) {
100
101
102
value = B_URGENT_DISPLAY_PRIORITY;
} else {
value = B_NORMAL_PRIORITY;
104
set_thread_priority(find_thread(NULL), value);
105
106
107
return 0;
}
108
109
void
SDL_SYS_WaitThread(SDL_Thread * thread)
110
{
111
status_t the_status;
113
wait_for_thread(thread->handle, &the_status);
114
115
}
116
/* vi: set ts=4 sw=4 expandtab: */