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exec: convert to generic object payload
This commit is contained in:
Phil Sutter
parent
0dc60481cf
commit
b74e0494de
163
src/exec.c
163
src/exec.c
@ -37,6 +37,15 @@
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#include <sys/types.h>
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#include <sys/wait.h>
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struct execi_data {
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double last_update;
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float interval;
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char *cmd;
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char *buffer;
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double data;
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timed_thread *p_timed_thread;
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};
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/* FIXME: this will probably not work, since the variable is being reused
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* between different text objects. So when a process really hangs, it's PID
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* will be overwritten at the next iteration. */
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@ -160,10 +169,11 @@ static void *threaded_exec(void *arg)
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{
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char *buff, *p2;
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struct text_object *obj = arg;
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struct execi_data *ed = obj->data.opaque;
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while (1) {
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buff = malloc(text_buffer_size);
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read_exec(obj->data.execi.cmd, buff, text_buffer_size);
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read_exec(ed->cmd, buff, text_buffer_size);
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p2 = buff;
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while (*p2) {
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if (*p2 == '\001') {
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@ -171,24 +181,24 @@ static void *threaded_exec(void *arg)
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}
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p2++;
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}
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timed_thread_lock(obj->data.execi.p_timed_thread);
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if (obj->data.execi.buffer)
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free(obj->data.execi.buffer);
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obj->data.execi.buffer = buff;
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timed_thread_unlock(obj->data.execi.p_timed_thread);
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if (timed_thread_test(obj->data.execi.p_timed_thread, 0)) {
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timed_thread_exit(obj->data.execi.p_timed_thread);
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timed_thread_lock(ed->p_timed_thread);
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if (ed->buffer)
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free(ed->buffer);
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ed->buffer = buff;
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timed_thread_unlock(ed->p_timed_thread);
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if (timed_thread_test(ed->p_timed_thread, 0)) {
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timed_thread_exit(ed->p_timed_thread);
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}
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}
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/* never reached */
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}
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/* check the execi fields and return true if the given interval has passed */
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static int time_to_update(struct text_object *obj)
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static int time_to_update(struct execi_data *ed)
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{
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if (!obj->data.execi.interval)
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if (!ed->interval)
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return 0;
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if (current_update_time - obj->data.execi.last_update >= obj->data.execi.interval)
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if (current_update_time - ed->last_update >= ed->interval)
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return 1;
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return 0;
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}
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@ -209,13 +219,19 @@ void scan_pre_exec_arg(struct text_object *obj, const char *arg)
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void scan_execi_arg(struct text_object *obj, const char *arg)
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{
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struct execi_data *ed;
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int n;
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if (sscanf(arg, "%f %n", &obj->data.execi.interval, &n) <= 0) {
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ed = malloc(sizeof(struct execi_data));
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memset(ed, 0, sizeof(struct execi_data));
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if (sscanf(arg, "%f %n", &ed->interval, &n) <= 0) {
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NORM_ERR("${execi* <interval> command}");
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free(ed);
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return;
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}
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obj->data.execi.cmd = strndup(arg + n, text_buffer_size);
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ed->cmd = strndup(arg + n, text_buffer_size);
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obj->data.opaque = ed;
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}
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void print_exec(struct text_object *obj, char *p, int p_max_size)
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@ -241,44 +257,53 @@ void print_execp(struct text_object *obj, char *p, int p_max_size)
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void print_execi(struct text_object *obj, char *p, int p_max_size)
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{
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if (time_to_update(obj)) {
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if (!obj->data.execi.buffer)
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obj->data.execi.buffer = malloc(text_buffer_size);
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read_exec(obj->data.execi.cmd, obj->data.execi.buffer, text_buffer_size);
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obj->data.execi.last_update = current_update_time;
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struct execi_data *ed = obj->data.opaque;
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if (!ed)
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return;
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if (time_to_update(ed)) {
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if (!ed->buffer)
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ed->buffer = malloc(text_buffer_size);
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read_exec(ed->cmd, ed->buffer, text_buffer_size);
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ed->last_update = current_update_time;
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}
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snprintf(p, p_max_size, "%s", obj->data.execi.buffer);
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snprintf(p, p_max_size, "%s", ed->buffer);
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}
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void print_execpi(struct text_object *obj, char *p)
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{
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struct execi_data *ed = obj->data.opaque;
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struct text_object subroot;
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struct information *tmp_info;
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if (!ed)
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return;
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tmp_info = malloc(sizeof(struct information));
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memcpy(tmp_info, &info, sizeof(struct information));
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if (!time_to_update(obj)) {
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parse_conky_vars(&subroot, obj->data.execi.buffer, p, tmp_info);
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if (!time_to_update(ed)) {
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parse_conky_vars(&subroot, ed->buffer, p, tmp_info);
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} else {
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char *output;
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int length;
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FILE *fp = pid_popen(obj->data.execi.cmd, "r", &childpid);
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FILE *fp = pid_popen(ed->cmd, "r", &childpid);
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if (!obj->data.execi.buffer)
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obj->data.execi.buffer = malloc(text_buffer_size);
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if (!ed->buffer)
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ed->buffer = malloc(text_buffer_size);
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length = fread(obj->data.execi.buffer, 1, text_buffer_size, fp);
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length = fread(ed->buffer, 1, text_buffer_size, fp);
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pclose(fp);
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output = obj->data.execi.buffer;
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output = ed->buffer;
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output[length] = '\0';
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if (length > 0 && output[length - 1] == '\n') {
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output[length - 1] = '\0';
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}
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parse_conky_vars(&subroot, obj->data.execi.buffer, p, tmp_info);
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obj->data.execi.last_update = current_update_time;
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parse_conky_vars(&subroot, ed->buffer, p, tmp_info);
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ed->last_update = current_update_time;
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}
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free_text_objects(&subroot, 1);
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free(tmp_info);
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@ -286,24 +311,28 @@ void print_execpi(struct text_object *obj, char *p)
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void print_texeci(struct text_object *obj, char *p, int p_max_size)
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{
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if (!obj->data.execi.p_timed_thread) {
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obj->data.execi.p_timed_thread =
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timed_thread_create(&threaded_exec,
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(void *) obj, obj->data.execi.interval * 1000000);
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if (!obj->data.execi.p_timed_thread) {
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struct execi_data *ed = obj->data.opaque;
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if (!ed)
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return;
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if (!ed->p_timed_thread) {
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ed->p_timed_thread = timed_thread_create(&threaded_exec,
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(void *) obj, ed->interval * 1000000);
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if (!ed->p_timed_thread) {
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NORM_ERR("Error creating texeci timed thread");
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}
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/*
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* note that we don't register this thread with the
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* timed_thread list, because we destroy it manually
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*/
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if (timed_thread_run(obj->data.execi.p_timed_thread)) {
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if (timed_thread_run(ed->p_timed_thread)) {
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NORM_ERR("Error running texeci timed thread");
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}
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} else {
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timed_thread_lock(obj->data.execi.p_timed_thread);
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snprintf(p, p_max_size, "%s", obj->data.execi.buffer);
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timed_thread_unlock(obj->data.execi.p_timed_thread);
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timed_thread_lock(ed->p_timed_thread);
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snprintf(p, p_max_size, "%s", ed->buffer);
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timed_thread_unlock(ed->p_timed_thread);
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}
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}
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@ -326,7 +355,13 @@ void print_execgraph(struct text_object *obj, char *p, int p_max_size)
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char showaslog = FALSE;
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char tempgrad = FALSE;
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double barnum;
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char *cmd = obj->data.execi.cmd;
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struct execi_data *ed = obj->data.opaque;
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char *cmd;
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if (!ed)
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return;
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cmd = ed->cmd;
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if (strstr(cmd, " "TEMPGRAD) && strlen(cmd) > strlen(" "TEMPGRAD)) {
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tempgrad = TRUE;
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@ -347,11 +382,16 @@ void print_execgraph(struct text_object *obj, char *p, int p_max_size)
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void print_execigraph(struct text_object *obj, char *p, int p_max_size)
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{
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if (time_to_update(obj)) {
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struct execi_data *ed = obj->data.opaque;
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if (!ed)
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return;
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if (time_to_update(ed)) {
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double barnum;
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char showaslog = FALSE;
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char tempgrad = FALSE;
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char *cmd = obj->data.execi.cmd;
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char *cmd = ed->cmd;
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if (strstr(cmd, " "TEMPGRAD) && strlen(cmd) > strlen(" "TEMPGRAD)) {
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tempgrad = TRUE;
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@ -369,23 +409,28 @@ void print_execigraph(struct text_object *obj, char *p, int p_max_size)
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if (barnum >= 0.0) {
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obj->f = barnum;
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}
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obj->data.execi.last_update = current_update_time;
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ed->last_update = current_update_time;
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}
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new_graph(p, obj->a, obj->b, obj->c, obj->d, (int) (obj->f), 100, 1, obj->char_a, obj->char_b);
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}
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void print_execigauge(struct text_object *obj, char *p, int p_max_size)
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{
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if (time_to_update(obj)) {
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struct execi_data *ed = obj->data.opaque;
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if (!ed)
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return;
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if (time_to_update(ed)) {
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double barnum;
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read_exec(obj->data.execi.cmd, p, p_max_size);
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read_exec(ed->cmd, p, p_max_size);
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barnum = get_barnum(p);
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if (barnum >= 0.0) {
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obj->f = 255 * barnum / 100.0;
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}
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obj->data.execi.last_update = current_update_time;
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ed->last_update = current_update_time;
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}
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new_gauge(p, obj->a, obj->b, round_to_int(obj->f));
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}
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@ -413,16 +458,20 @@ void print_execbar(struct text_object *obj, char *p, int p_max_size)
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void print_execibar(struct text_object *obj, char *p, int p_max_size)
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{
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struct execi_data *ed = obj->data.opaque;
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double barnum;
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if (time_to_update(obj)) {
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read_exec(obj->data.execi.cmd, p, p_max_size);
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if (!ed)
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return;
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if (time_to_update(ed)) {
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read_exec(ed->cmd, p, p_max_size);
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barnum = get_barnum(p);
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if (barnum >= 0.0) {
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obj->f = barnum;
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}
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obj->data.execi.last_update = current_update_time;
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ed->last_update = current_update_time;
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}
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#ifdef X11
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if(output_methods & TO_X) {
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@ -445,11 +494,17 @@ void free_exec(struct text_object *obj)
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void free_execi(struct text_object *obj)
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{
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if (obj->data.execi.p_timed_thread)
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timed_thread_destroy(obj->data.execi.p_timed_thread, &obj->data.execi.p_timed_thread);
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if (obj->data.execi.cmd)
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free(obj->data.execi.cmd);
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if (obj->data.execi.buffer)
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free(obj->data.execi.buffer);
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memset(&obj->data.execi, 0, sizeof(obj->data.execi));
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struct execi_data *ed = obj->data.opaque;
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if (!ed)
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return;
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if (ed->p_timed_thread)
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timed_thread_destroy(ed->p_timed_thread, &ed->p_timed_thread);
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if (ed->cmd)
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free(ed->cmd);
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if (ed->buffer)
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free(ed->buffer);
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free(obj->data.opaque);
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obj->data.opaque = NULL;
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}
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@ -457,15 +457,6 @@ struct text_object {
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char *str;
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} ifblock;
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struct {
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double last_update;
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float interval;
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char *cmd;
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char *buffer;
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double data;
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timed_thread *p_timed_thread;
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} execi; /* 5 */
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struct {
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int a, b;
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} pair; /* 2 */
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