Mercurial > sdl-ios-xcode

annotate test/testsem.c @ 5204:523409574510

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck This compiles, but it untested.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 06 Feb 2011 00:00:13 -0800
parents d547877e355e
children
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 /* Simple test of the SDL semaphore code */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4 #include <stdio.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 #include <stdlib.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
6 #include <signal.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
7
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
8 #include "SDL.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9 #include "SDL_thread.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 #define NUM_THREADS 10
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
12
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
13 static SDL_sem *sem;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14 int alive = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
15
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
16 int SDLCALL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
17 ThreadFunc(void *data)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
19 int threadnum = (int) (uintptr_t) data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
20 while (alive) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
21 SDL_SemWait(sem);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
22 fprintf(stderr,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
23 "Thread number %d has got the semaphore (value = %d)!\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
24 threadnum, SDL_SemValue(sem));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
25 SDL_Delay(200);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
26 SDL_SemPost(sem);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
27 fprintf(stderr,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
28 "Thread number %d has released the semaphore (value = %d)!\n",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
29 threadnum, SDL_SemValue(sem));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
30 SDL_Delay(1); /* For the scheduler */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
31 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
32 printf("Thread number %d exiting.\n", threadnum);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
33 return 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
34 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
35
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
36 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
37 killed(int sig)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
38 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
39 alive = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
40 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
41
5108
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
42 static void
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
43 TestWaitTimeout(void)
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
44 {
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
45 Uint32 start_ticks;
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
46 Uint32 end_ticks;
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
47 Uint32 duration;
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
48
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
49 sem = SDL_CreateSemaphore(0);
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
50 printf("Waiting 2 seconds on semaphore\n");
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
51
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
52 start_ticks = SDL_GetTicks();
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
53 SDL_SemWaitTimeout(sem, 2000);
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
54 end_ticks = SDL_GetTicks();
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
55
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
56 duration = end_ticks - start_ticks;
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
57
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
58 /* Accept a little offset in the effective wait */
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
59 if (duration > 1900 && duration < 2050)
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
60 printf("Wait done.\n");
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
61 else
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
62 fprintf(stderr, "Wait took %d milliseconds\n", duration);
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
63 }
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
64
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
65 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
66 main(int argc, char **argv)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
67 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
68 SDL_Thread *threads[NUM_THREADS];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
69 uintptr_t i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
70 int init_sem;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
71
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
72 if (argc < 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
73 fprintf(stderr, "Usage: %s init_value\n", argv[0]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
74 return (1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
75 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
76
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
77 /* Load the SDL library */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
78 if (SDL_Init(0) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
79 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
80 return (1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
81 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
82 signal(SIGTERM, killed);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
83 signal(SIGINT, killed);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
84
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
85 init_sem = atoi(argv[1]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
86 sem = SDL_CreateSemaphore(init_sem);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
87
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
88 printf("Running %d threads, semaphore value = %d\n", NUM_THREADS,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
89 init_sem);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
90 /* Create all the threads */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
91 for (i = 0; i < NUM_THREADS; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
92 threads[i] = SDL_CreateThread(ThreadFunc, (void *) i);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
93 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
94
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
95 /* Wait 10 seconds */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
96 SDL_Delay(10 * 1000);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
97
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
98 /* Wait for all threads to finish */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
99 printf("Waiting for threads to finish\n");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
100 alive = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
101 for (i = 0; i < NUM_THREADS; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
102 SDL_WaitThread(threads[i], NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
103 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
104 printf("Finished waiting for threads\n");
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
105
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
106 SDL_DestroySemaphore(sem);
5108
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
107
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
108 TestWaitTimeout();
d547877e355e Colin Leroy 2011-01-26 04:24:20 PST
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
109
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
110 SDL_Quit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
111 return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
112 }