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-rw-r--r--source/tests/test_interprocess.c97
1 files changed, 79 insertions, 18 deletions
diff --git a/source/tests/test_interprocess.c b/source/tests/test_interprocess.c
index cf33086..b41f71f 100644
--- a/source/tests/test_interprocess.c
+++ b/source/tests/test_interprocess.c
@@ -1,19 +1,24 @@
#include "../kit/shared_memory.h"
+#include "../kit/shared_mutex.h"
#include "../kit/threads.h"
#include <stdio.h>
#define NAME "kit_test_interprocess"
-enum { DATA_SIZE = 64 };
+enum { DATA_SIZE = 64, TIMEOUT = 3 };
+
+typedef struct {
+ shared_mutex_t m;
+ i8 state;
+ i8 bytes[DATA_SIZE];
+} shared_data_t;
enum { STATE_INIT, STATE_READY, STATE_DONE };
int run_writer() {
- kit_shared_memory_clean(SZ(NAME));
-
- kit_shared_memory_t mem = kit_shared_memory_open(
- SZ(NAME), DATA_SIZE, KIT_SHARED_MEMORY_CREATE);
+ shared_memory_t mem = shared_memory_open(
+ SZ(NAME), sizeof(shared_data_t), SHARED_MEMORY_CREATE);
if (mem.status != KIT_OK) {
printf("%s: kit_shared_memory_open failed.\n", __FUNCTION__);
@@ -21,13 +26,41 @@ int run_writer() {
return 1;
}
- mem.bytes[0] = STATE_INIT;
- for (int i = 1; i < DATA_SIZE; i++) mem.bytes[i] = i;
- mem.bytes[0] = STATE_READY;
+ shared_data_t *p = (shared_data_t *) mem.bytes;
+
+ shared_mutex_init(&p->m);
+
+ unique_lock(&p->m);
+ p->state = STATE_INIT;
+ unique_unlock(&p->m);
+
+ unique_lock(&p->m);
+ for (int i = 0; i < DATA_SIZE; i++) p->bytes[i] = i;
+ p->state = STATE_READY;
+ unique_unlock(&p->m);
+
+ struct timespec t0;
+ timespec_get(&t0, TIME_UTC);
+
+ shared_lock(&p->m);
+ while (p->state != STATE_DONE) {
+ shared_unlock(&p->m);
- while (mem.bytes[0] != STATE_DONE) thrd_yield();
+ struct timespec t1;
+ timespec_get(&t1, TIME_UTC);
+
+ if (t1.tv_sec - t0.tv_sec > TIMEOUT) {
+ printf("%s: timeout.\n", __FUNCTION__);
+ shared_memory_close(&mem);
+ return 1;
+ }
+
+ thrd_yield();
+ shared_lock(&p->m);
+ }
+ shared_unlock(&p->m);
- if (kit_shared_memory_close(&mem) != KIT_OK) {
+ if (shared_memory_close(&mem) != KIT_OK) {
printf("%s: kit_shared_memory_close failed.\n", __FUNCTION__);
fflush(stdout);
return 1;
@@ -37,12 +70,24 @@ int run_writer() {
}
int run_reader() {
- kit_shared_memory_t mem;
+ struct timespec t0;
+ timespec_get(&t0, TIME_UTC);
+
+ shared_memory_t mem;
for (;;) {
- mem = kit_shared_memory_open(SZ(NAME), DATA_SIZE,
- KIT_SHARED_MEMORY_OPEN);
+ mem = shared_memory_open(SZ(NAME), sizeof(shared_data_t),
+ SHARED_MEMORY_OPEN);
if (mem.status == KIT_OK)
break;
+
+ struct timespec t1;
+ timespec_get(&t1, TIME_UTC);
+
+ if (t1.tv_sec - t0.tv_sec > TIMEOUT) {
+ printf("%s: timeout.\n", __FUNCTION__);
+ return 1;
+ }
+
thrd_yield();
}
@@ -52,20 +97,31 @@ int run_reader() {
return 1;
}
- while (mem.bytes[0] != STATE_READY) thrd_yield();
+ shared_data_t *p = (shared_data_t *) mem.bytes;
+
+ shared_lock(&p->m);
+ while (p->state != STATE_READY) {
+ shared_unlock(&p->m);
+ thrd_yield();
+ shared_lock(&p->m);
+ }
i32 status = 0;
- for (i32 i = 1; i < DATA_SIZE; i++)
- if (mem.bytes[i] != i) {
+ for (i32 i = 0; i < DATA_SIZE; i++)
+ if (p->bytes[i] != i) {
printf("%s: wrong byte %d\n", __FUNCTION__, i);
fflush(stdout);
status = 1;
}
- mem.bytes[0] = STATE_DONE;
+ shared_unlock(&p->m);
- if (kit_shared_memory_close(&mem) != KIT_OK) {
+ unique_lock(&p->m);
+ p->state = STATE_DONE;
+ unique_unlock(&p->m);
+
+ if (shared_memory_close(&mem) != KIT_OK) {
printf("%s: kit_shared_memory_close failed.\n", __FUNCTION__);
fflush(stdout);
status = 1;
@@ -102,6 +158,11 @@ int main(int argc, char **argv) {
if (strcmp(argv[1], "reader") == 0)
return run_reader();
+ if (strcmp(argv[1], "clean") == 0) {
+ shared_memory_clean(SZ(NAME));
+ return 0;
+ }
+
printf("Invalid command line argument \"%s\"\n", argv[1]);
return 1;
}