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Have a way to wait until a worker state changes.
[apps/madmutt.git]
/
lib-sys
/
evtloop.c
diff --git
a/lib-sys/evtloop.c
b/lib-sys/evtloop.c
index
a28c9b8
..
8e1d361
100644
(file)
--- a/
lib-sys/evtloop.c
+++ b/
lib-sys/evtloop.c
@@
-13,8
+13,9
@@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
- *
- * Copyright © 2006 Pierre Habouzit
+ */
+/*
+ * Copyright © 2007 Pierre Habouzit
*/
#include <pthread.h>
*/
#include <pthread.h>
@@
-36,6
+37,9
@@
DO_ARRAY_TYPE(job_t, job);
static int epollfd = -1;
static job_array jobs;
static int epollfd = -1;
static job_array jobs;
+static pthread_mutex_t el_mx;
+static pthread_cond_t el_cond;
+static pthread_t el_thread;
static int el_job_setemode(job_t *w, el_mode emode)
{
static int el_job_setemode(job_t *w, el_mode emode)
{
@@
-110,6
+114,10
@@
job_t *el_job_start(const machine_t *m, void *cfg)
int el_job_release(job_t *w, el_status reason)
{
int el_job_release(job_t *w, el_status reason)
{
+ if (w->cond) {
+ pthread_cond_signal(&el_cond);
+ w->cond = false;
+ }
w->state = EL_LLP_FINI;
if (w->m && w->m->finalize) {
w->m->finalize(w, reason);
w->state = EL_LLP_FINI;
if (w->m && w->m->finalize) {
w->m->finalize(w, reason);
@@
-293,6
+301,16
@@
ssize_t el_job_write(job_t *w, buffer_t *buf)
return nr;
}
return nr;
}
+void el_lock(void)
+{
+ pthread_mutex_lock(&el_mx);
+}
+
+void el_unlock(void)
+{
+ pthread_mutex_unlock(&el_mx);
+}
+
int el_dispatch(int timeout)
{
struct epoll_event events[FD_SETSIZE];
int el_dispatch(int timeout)
{
struct epoll_event events[FD_SETSIZE];
@@
-305,11
+323,16
@@
int el_dispatch(int timeout)
mutt_exit(EXIT_FAILURE);
}
mutt_exit(EXIT_FAILURE);
}
+ el_lock();
while (--count >= 0) {
job_t *w = events[count].data.ptr;
int event = events[count].events;
int evt = 0;
while (--count >= 0) {
job_t *w = events[count].data.ptr;
int event = events[count].events;
int evt = 0;
+ if (w->cond) {
+ pthread_cond_signal(&el_cond);
+ w->cond = false;
+ }
gettimeofday(&w->mru, NULL);
switch (w->state) {
case EL_LLP_INIT:
gettimeofday(&w->mru, NULL);
switch (w->state) {
case EL_LLP_INIT:
@@
-335,11
+358,18
@@
int el_dispatch(int timeout)
break;
}
}
break;
}
}
+ el_unlock();
return 0;
}
return 0;
}
-void *el_loop(void *data)
+void el_wait(job_t *w)
+{
+ w->cond = true;
+ pthread_cond_wait(&el_cond, &el_mx);
+}
+
+static void *el_loop(void *data)
{
time_t sec = time(NULL);
{
time_t sec = time(NULL);
@@
-354,16
+384,31
@@
void *el_loop(void *data)
continue;
sec = now.tv_sec;
now.tv_sec -= 10;
continue;
sec = now.tv_sec;
now.tv_sec -= 10;
+
+ el_lock();
for (int i = jobs.len - 1; i >= 0; --i) {
job_t *w = jobs.arr[i];
for (int i = jobs.len - 1; i >= 0; --i) {
job_t *w = jobs.arr[i];
- if (timercmp(&now, &w->mru, >))
+ if (timercmp(&now, &w->mru, >)) {
+ if (w->cond) {
+ pthread_cond_signal(&el_cond);
+ w->cond = false;
+ }
IGNORE(w->m->on_event(w, EL_EVT_WAKEUP));
IGNORE(w->m->on_event(w, EL_EVT_WAKEUP));
+ }
}
}
+ el_unlock();
}
}
void el_initialize(void)
{
}
}
void el_initialize(void)
{
+ pthread_mutexattr_t attr;
+
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
+ pthread_mutex_init(&el_mx, &attr);
+ pthread_mutexattr_destroy(&attr);
+
gnutls_global_init();
epollfd = epoll_create(1024);
if (epollfd < 0) {
gnutls_global_init();
epollfd = epoll_create(1024);
if (epollfd < 0) {
@@
-371,11
+416,15
@@
void el_initialize(void)
mutt_exit(EXIT_FAILURE);
}
job_array_init(&jobs);
mutt_exit(EXIT_FAILURE);
}
job_array_init(&jobs);
+ pthread_create(&el_thread, NULL, &el_loop, NULL);
}
void el_shutdown(void)
{
}
void el_shutdown(void)
{
+ pthread_cancel(el_thread);
+ pthread_join(el_thread, NULL);
job_array_wipe(&jobs);
close(epollfd);
gnutls_global_deinit();
job_array_wipe(&jobs);
close(epollfd);
gnutls_global_deinit();
+ pthread_mutex_destroy(&el_mx);
}
}