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21 * library without restriction. Specifically, if other files instantiate
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29 * Copyright 2008 Develer S.r.l. (http://www.develer.com/)
32 * \brief Semaphore test.
36 * \author Daniele Basile <asterix@develer.com>
37 * \author Stefano Fedrigo <aleph@develer.com>
41 #include <cfg/debug.h>
45 #include <kern/proc.h>
48 #include <drv/timer.h>
50 // Global settings for the test.
51 #define MAX_GLOBAL_COUNT 1024
52 #define TEST_TIME_OUT_MS 6000
55 // Settings for the test process.
58 #define DELAY_PROC_T1 INC_PROC_T1*DELAY
61 #define DELAY_PROC_T2 INC_PROC_T2*DELAY
64 #define DELAY_PROC_T3 INC_PROC_T3*DELAY
67 #define DELAY_PROC_T4 INC_PROC_T4*DELAY
69 #define INC_PROC_T5 11
70 #define DELAY_PROC_T5 INC_PROC_T5*DELAY
72 #define INC_PROC_T6 13
73 #define DELAY_PROC_T6 INC_PROC_T6*DELAY
75 #define INC_PROC_T7 17
76 #define DELAY_PROC_T7 INC_PROC_T7*DELAY
78 #define INC_PROC_T8 19
79 #define DELAY_PROC_T8 INC_PROC_T8*DELAY
82 unsigned int global_count = 0;
85 * These macros generate the code needed to create the test process functions.
87 #define PROC_TEST(num) static void proc_test##num(void) \
89 unsigned int local_count = 0; \
91 for (int i = 0; i < INC_PROC_T##num; ++i) \
94 kprintf("> test%d: Obtain semaphore.\n", num); \
95 local_count = global_count; \
96 kprintf("> test%d: Read global count [%d]\n", num, local_count); \
97 timer_delay(DELAY_PROC_T##num); \
98 local_count += INC_PROC_T##num; \
99 global_count = local_count; \
100 kprintf("> test%d: Update count g[%d] l[%d]\n", num, global_count, local_count); \
102 kprintf("> test%d: Relase semaphore.\n", num); \
106 #define PROC_TEST_STACK(num) static cpu_stack_t proc_test##num##_stack[CONFIG_KERN_MINSTACKSIZE / sizeof(cpu_stack_t)];
107 #define PROC_TEST_INIT(num) proc_new(proc_test##num, NULL, sizeof(proc_test##num##_stack), proc_test##num##_stack);
119 // Define process stacks for test.
132 int sem_testRun(void)
134 ticks_t start_time = timer_clock();
136 kprintf("Run semaphore test..\n");
138 //Init the process tests
147 kputs("> Main: Processes created\n");
150 * Wait until all processes exit, if something goes wrong we return an
151 * error after timeout_ms.
153 while((timer_clock() - start_time) < ms_to_ticks(TEST_TIME_OUT_MS))
155 if (sem_attempt(&sem))
157 kputs("> Main: Check if test has finished..\n");
158 if(global_count == MAX_GLOBAL_COUNT)
160 kputs("> Main: Test Finished..Ok!\n");
164 kputs("> Main: Test is still running..\n");
169 kputs("Semaphore Test fail..\n");
173 int sem_testSetup(void)
177 kprintf("Init Semaphore..");
181 #if CONFIG_KERN_PREEMPT
182 kprintf("Init Interrupt (preempt mode)..");
187 kprintf("Init Timer..");
191 kprintf("Init Process..");
198 int sem_testTearDown(void)
200 kputs("TearDown Semaphore test.\n");