Mercurial > sdl-ios-xcode

annotate test/testsem.c @ 5240:1e28342cb15d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added a way to replace the default logging mechanism
author Sam Lantinga <slouken@libsdl.org>
date Tue, 08 Feb 2011 23:13:58 -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 }