This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_systhread.c
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2011 Sam Lantinga
4
5
This library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
9
10
11
12
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
13
Lesser General Public License for more details.
15
16
17
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
18
19
Sam Lantinga
20
slouken@libsdl.org
21
*/
22
#include "SDL_config.h"
23
24
25
26
27
28
29
30
31
/* 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"
32
33
#include "../SDL_thread_c.h"
#include "../SDL_systhread.h"
34
35
36
static int sig_list[] = {
37
SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
38
39
};
40
41
void
SDL_MaskSignals(sigset_t * omask)
43
44
45
46
47
48
49
50
sigset_t mask;
int i;
sigemptyset(&mask);
for (i = 0; sig_list[i]; ++i) {
sigaddset(&mask, sig_list[i]);
}
sigprocmask(SIG_BLOCK, &mask, omask);
52
53
54
void
SDL_UnmaskSignals(sigset_t * omask)
56
sigprocmask(SIG_SETMASK, omask, NULL);
57
58
}
59
60
static int32
RunThread(void *data)
62
63
SDL_RunThread(data);
return (0);
64
65
}
66
67
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
69
70
71
72
73
74
75
76
77
/* 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);
78
79
}
80
81
void
SDL_SYS_SetupThread(void)
83
84
/* Mask asynchronous signals for this thread */
SDL_MaskSignals(NULL);
85
86
}
87
SDL_threadID
88
SDL_ThreadID(void)
90
return ((SDL_threadID) find_thread(NULL));
91
92
}
93
94
95
96
97
98
99
100
101
102
103
104
105
106
int
SDL_SYS_SetThreadPriority(SDL_Thread * thread, SDL_ThreadPriority priority)
{
int32 new_priority = B_NORMAL_PRIORITY;
if (priority == SDL_THREAD_PRIORITY_LOW) {
new_priority = B_LOW_PRIORITY;
} else if (priority == SDL_THREAD_PRIORITY_HIGH) {
new_priority = B_URGENT_DISPLAY_PRIORITY;
}
set_thread_priority(thread->handle, new_priority);
return 0;
}
107
108
void
SDL_SYS_WaitThread(SDL_Thread * thread)
109
{
110
status_t the_status;
112
wait_for_thread(thread->handle, &the_status);
113
114
}
115
/* vi: set ts=4 sw=4 expandtab: */