Llewellyn/conky
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Code Issues Releases Activity

threading stuff resolved?

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git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky@522 7f574dfc-610e-0410-a909-a81674777703
This commit is contained in:
Brenden Matthews 2006-02-01 14:39:23 +00:00
parent c8e33e9cc3
commit 9d0b2d5fb4
1 changed files with 49 additions and 65 deletions
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112
src/conky.c
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@ -1025,39 +1025,19 @@ void lock_all_threads()
{ {
if (thread_count) { if (thread_count) {
ERR("trying to end all threads"); ERR("trying to end all threads");
int i, ret, tries; int i, ret;
// now we wait to get the locks // now we wait to get the locks
for (i = 0; i < thread_count; i++) { for (i = 0; i < thread_count; i++) {
ret = 1; usleep(50);
tries = 0; ret = pthread_mutex_lock(&(thread_list[i]->mutex));
if (!thread_list[i]->thread) { if (ret) {
while (ret) { ERR("giving up on thread %i", (int)thread_list[i]->thread);
tries++;
usleep(50);
ret = pthread_mutex_trylock(&(thread_list[i]->mutex));
if (tries > 25) {
ERR("giving up on thread %i", (int)thread_list[i]->thread);
break;
}
}
} else {
if (pthread_join(thread_list[i]->thread, NULL))
ERR("Problem joining thread %i\n", (int)thread_list[i]->thread);
while (ret) {
tries++;
usleep(50);
ret = pthread_mutex_trylock(&(thread_list[i]->mutex));
if (tries > 25) {
ERR("giving up on thread %i", (int)thread_list[i]->thread);
break;
}
}
} }
} }
} }
} }
void replace_thread(struct thread_info_s *new_thread, int pos) void replace_thread(struct thread_info_s *new_thread, int pos) // this isn't even used anymore; oh wells
{ {
if (pos >= 0 && pos < MAX_THREADS) { if (pos >= 0 && pos < MAX_THREADS) {
thread_list[pos] = new_thread; thread_list[pos] = new_thread;
@ -1066,25 +1046,38 @@ void replace_thread(struct thread_info_s *new_thread, int pos)
} }
} }
void *threaded_exec(struct text_object *obj) { void *threaded_exec(struct text_object *obj) { // pthreads are really beginning to piss me off
pthread_mutex_lock(&(obj->data.execi.thread_info.mutex)); double update_time;
char *p2 = obj->data.execi.buffer; while (1) {
FILE *fp = popen(obj->data.execi.cmd,"r"); update_time = get_time();
int n2 = fread(p2, 1, TEXT_BUFFER_SIZE, fp); pthread_mutex_lock(&(obj->data.execi.thread_info.mutex));
(void) pclose(fp); char *p2 = obj->data.execi.buffer;
p2[n2] = '\0'; FILE *fp = popen(obj->data.execi.cmd,"r");
if (n2 && p2[n2 - 1] == '\n') int n2 = fread(p2, 1, TEXT_BUFFER_SIZE, fp);
p2[n2 - 1] = '\0'; (void) pclose(fp);
p2[n2] = '\0';
while (*p2) { if (n2 && p2[n2 - 1] == '\n')
if (*p2 == '\001') p2[n2 - 1] = '\0';
*p2 = ' '; while (*p2) {
p2++; if (*p2 == '\001')
} *p2 = ' ';
obj->data.execi.last_update = current_update_time; p2++;
int unlock = pthread_mutex_unlock(&(obj->data.execi.thread_info.mutex)); }
if (unlock) { obj->data.execi.last_update = update_time;
ERR("error %i unlocking thread", unlock); usleep(100); // prevent race condition
int unlock = pthread_mutex_unlock(&(obj->data.execi.thread_info.mutex));
if (unlock) {
ERR("error %i unlocking thread", unlock);
}
if (get_time() - obj->data.execi.last_update > obj->data.execi.interval) {
continue;
} else {
unsigned int delay = 1000000 * (obj->data.execi.interval -(get_time() - obj->data.execi.last_update));
if (delay < update_interval * 500000) {
delay = update_interval * 1000000;
}
usleep(delay);
}
} }
pthread_exit(NULL); pthread_exit(NULL);
} }
@ -1385,7 +1378,6 @@ static struct text_object *construct_text_object(const char *s, const char *arg,
} }
END OBJ(endif, 0) END OBJ(endif, 0)
if (blockdepth) { if (blockdepth) {
printf("blockdepth is %i and blockstart[blockdepth] is %i and object_count is %i\n", blockdepth, blockstart[blockdepth - 1], object_count);
blockdepth--; blockdepth--;
text_objects[blockstart[blockdepth]].data.ifblock.pos = object_count; text_objects[blockstart[blockdepth]].data.ifblock.pos = object_count;
} else { } else {
@ -1443,8 +1435,7 @@ static struct text_object *construct_text_object(const char *s, const char *arg,
obj->data.execi.buffer = obj->data.execi.buffer =
(char *) calloc(1, TEXT_BUFFER_SIZE); (char *) calloc(1, TEXT_BUFFER_SIZE);
} }
pthread_mutex_init(&(obj->data.execi.thread_info.mutex), NULL); obj->data.execi.pos = -1;
obj->data.execi.pos = register_thread(&(obj->data.execi.thread_info));
END OBJ(pre_exec, 0) obj->type = OBJ_text; END OBJ(pre_exec, 0) obj->type = OBJ_text;
if (arg) { if (arg) {
FILE *fp = popen(arg, "r"); FILE *fp = popen(arg, "r");
@ -1762,7 +1753,6 @@ static struct text_object *construct_text_object(const char *s, const char *arg,
blockstart[blockdepth] = object_count; blockstart[blockdepth] = object_count;
obj->data.ifblock.pos = object_count + 2; obj->data.ifblock.pos = object_count + 2;
blockdepth++; blockdepth++;
printf("blockdepth is %i and blockstart[blockdepth] is %i and object_count is %i\n", blockdepth, blockstart[blockdepth - 1], object_count);
END OBJ(if_running, 0) END OBJ(if_running, 0)
if (blockdepth >= MAX_IF_BLOCK_DEPTH) { if (blockdepth >= MAX_IF_BLOCK_DEPTH) {
CRIT_ERR("MAX_IF_BLOCK_DEPTH exceeded"); CRIT_ERR("MAX_IF_BLOCK_DEPTH exceeded");
@ -2654,25 +2644,19 @@ static void generate_text_internal(char *p, int p_max_size, struct text_object *
//parse_conky_vars(output, p, cur); //parse_conky_vars(output, p, cur);
} }
OBJ(texeci) { OBJ(texeci) {
if (current_update_time - obj->data.execi.last_update < obj->data.execi.interval) { if (obj->data.execi.pos < 0) {
snprintf(p, p_max_size, "%s", obj->data.execi.buffer); obj->data.execi.last_update = current_update_time;
} else { pthread_mutex_init(&(obj->data.execi.thread_info.mutex), NULL);
if (!obj->data.execi.thread_info.thread && !pthread_mutex_trylock(&(obj->data.execi.thread_info.mutex))) { if (!obj->data.execi.thread_info.thread && !pthread_mutex_trylock(&(obj->data.execi.thread_info.mutex))) {
if (pthread_create(&(obj->data.execi.thread_info.thread), NULL, (void*)threaded_exec, (void*) obj)) {
if (pthread_create(&(obj->data.execi.thread_info.thread), NULL, (void*)threaded_exec, (void*) obj)) { ERR("Error starting thread");
ERR("Error starting thread"); }
obj->data.execi.pos = register_thread(&(obj->data.execi.thread_info));
pthread_mutex_unlock(&(obj->data.execi.thread_info.mutex));
} }
replace_thread(&(obj->data.execi.thread_info), obj->data.execi.pos);
pthread_mutex_unlock(&(obj->data.execi.thread_info.mutex));
} }
snprintf(p, p_max_size, "%s", obj->data.execi.buffer); snprintf(p, p_max_size, "%s", obj->data.execi.buffer);
} }
if (!pthread_mutex_trylock(&(obj->data.execi.thread_info.mutex))) {
obj->data.execi.thread_info.thread = (pthread_t)0;
pthread_mutex_unlock(&(obj->data.execi.thread_info.mutex));
}
//parse_conky_vars(obj->data.execi.buffer, p, cur);
}
#endif #endif
OBJ(fs_bar) { OBJ(fs_bar) {
if (obj->data.fs != NULL) { if (obj->data.fs != NULL) {