e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 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 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | 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 | /* BeOS thread management routines for SDL */ |
25 | |
26 | #include <stdio.h> |
27 | #include <signal.h> |
28 | #include <be/kernel/OS.h> |
29 | |
30 | #include "SDL_mutex.h" |
31 | #include "SDL_thread.h" |
32 | #include "../SDL_thread_c.h" |
33 | #include "../SDL_systhread.h" |
34 | |
35 | |
36 | static int sig_list[] = { |
37 | SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0 |
38 | }; |
39 | |
40 | void SDL_MaskSignals(sigset_t *omask) |
41 | { |
42 | sigset_t mask; |
43 | int i; |
44 | |
45 | sigemptyset(&mask); |
46 | for ( i=0; sig_list[i]; ++i ) { |
47 | sigaddset(&mask, sig_list[i]); |
48 | } |
49 | sigprocmask(SIG_BLOCK, &mask, omask); |
50 | } |
51 | void SDL_UnmaskSignals(sigset_t *omask) |
52 | { |
53 | sigprocmask(SIG_SETMASK, omask, NULL); |
54 | } |
55 | |
56 | static int32 RunThread(void *data) |
57 | { |
58 | SDL_RunThread(data); |
59 | return(0); |
60 | } |
61 | |
62 | int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) |
63 | { |
64 | /* Create the thread and go! */ |
65 | thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args); |
66 | if ( (thread->handle == B_NO_MORE_THREADS) || |
67 | (thread->handle == B_NO_MEMORY) ) { |
68 | SDL_SetError("Not enough resources to create thread"); |
69 | return(-1); |
70 | } |
71 | resume_thread(thread->handle); |
72 | return(0); |
73 | } |
74 | |
75 | void SDL_SYS_SetupThread(void) |
76 | { |
77 | /* Mask asynchronous signals for this thread */ |
78 | SDL_MaskSignals(NULL); |
79 | } |
80 | |
81 | Uint32 SDL_ThreadID(void) |
82 | { |
83 | return((Uint32)find_thread(NULL)); |
84 | } |
85 | |
86 | void SDL_SYS_WaitThread(SDL_Thread *thread) |
87 | { |
88 | status_t the_status; |
89 | |
90 | wait_for_thread(thread->handle, &the_status); |
91 | } |
92 | |
93 | void SDL_SYS_KillThread(SDL_Thread *thread) |
94 | { |
95 | kill_thread(thread->handle); |
96 | } |