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Code Issues Releases Activity

update machinery: run each update callback in it's own thread

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This commit is contained in:
Phil Sutter 2009-09-11 01:18:38 +02:00
parent 925ac2b7ba
commit b7b9329e38
1 changed files with 17 additions and 1 deletions
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18
src/common.c
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@ -384,6 +384,7 @@ void format_seconds_short(char *buf, unsigned int n, long seconds)
static struct update_cb {
struct update_cb *next;
void (*func)(void);
pthread_t thread;
} update_cb_head = {
.next = NULL,
};
@ -423,6 +424,16 @@ void free_update_callbacks(void)
update_cb_head.next = NULL;
}
static void *run_update_callback(void *) __attribute__((noreturn));
static void *run_update_callback(void *data)
{
struct update_cb *ucb = data;
(*ucb->func)();
pthread_exit(NULL);
}
int no_buffers;
void update_stuff(void)
@ -446,8 +457,13 @@ void update_stuff(void)
prepare_update();
for (uc = update_cb_head.next; uc; uc = uc->next) {
pthread_create(&uc->thread, NULL, &run_update_callback, uc);
}
/* need to synchronise here, otherwise locking is needed (as data
* would be printed with some update callbacks still running) */
for (uc = update_cb_head.next; uc; uc = uc->next)
(*uc->func)();
pthread_join(uc->thread, NULL);
/* XXX: move the following into the update_meminfo() functions? */
if (no_buffers) {