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More thread work.

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default 2023-02-06 18:59:20 +01:00
parent 06fc40e1cd
commit 451d964c0c
1 changed files with 47 additions and 8 deletions
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55
httpd.c
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@ -335,14 +335,16 @@ xs_list *job_fifo = NULL;
void job_post(const xs_val *job) void job_post(const xs_val *job)
/* posts a job for the threads to process it */ /* posts a job for the threads to process it */
{ {
/* lock the mutex */ if (job != NULL) {
pthread_mutex_lock(&job_mutex); /* lock the mutex */
pthread_mutex_lock(&job_mutex);
/* add to the fifo */ /* add to the fifo */
job_fifo = xs_list_append(job_fifo, job); job_fifo = xs_list_append(job_fifo, job);
/* unlock the mutex */ /* unlock the mutex */
pthread_mutex_unlock(&job_mutex); pthread_mutex_unlock(&job_mutex);
}
/* ask for someone to attend it */ /* ask for someone to attend it */
sem_post(&job_sem); sem_post(&job_sem);
@ -371,6 +373,33 @@ void job_wait(xs_val **job)
#define MAX_THREADS 256 #define MAX_THREADS 256
#endif #endif
static void *job_thread(void *arg)
/* job thread */
{
// httpd_connection((FILE *)arg);
srv_debug(0, xs_fmt("job thread started"));
for (;;) {
xs *job = NULL;
job_wait(&job);
srv_debug(0, xs_fmt("job thread wake up"));
if (job == NULL)
break;
if (xs_type(job) == XSTYPE_DATA) {
/* it's a socket */
}
}
srv_debug(0, xs_fmt("job thread stopped"));
return NULL;
}
void httpd(void) void httpd(void)
/* starts the server */ /* starts the server */
{ {
@ -379,6 +408,7 @@ void httpd(void)
int rs; int rs;
pthread_t threads[MAX_THREADS]; pthread_t threads[MAX_THREADS];
int n_threads = 0; int n_threads = 0;
int n;
address = xs_dict_get(srv_config, "address"); address = xs_dict_get(srv_config, "address");
port = xs_number_get(xs_dict_get(srv_config, "port")); port = xs_number_get(xs_dict_get(srv_config, "port"));
@ -417,6 +447,10 @@ void httpd(void)
/* thread #0 is the background thread */ /* thread #0 is the background thread */
pthread_create(&threads[0], NULL, background_thread, NULL); pthread_create(&threads[0], NULL, background_thread, NULL);
/* the rest of threads are for job processing */
for (n = 1; n < n_threads; n++)
pthread_create(&threads[n], NULL, job_thread, NULL);
if (setjmp(on_break) == 0) { if (setjmp(on_break) == 0) {
for (;;) { for (;;) {
FILE *f = xs_socket_accept(rs); FILE *f = xs_socket_accept(rs);
@ -430,8 +464,13 @@ void httpd(void)
srv_running = 0; srv_running = 0;
/* wait for the background thread to end */ /* send as many empty jobs as working threads */
pthread_join(threads[0], NULL); for (n = 1; n < n_threads; n++)
job_post(NULL);
/* wait for all the threads to exit */
for (n = 0; n < n_threads; n++)
pthread_join(threads[n], NULL);
job_fifo = xs_free(job_fifo); job_fifo = xs_free(job_fifo);