powersave sleep - use fd's and seletc. ecore pipe cant be used
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3c106c6b81
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70d08a770e
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@ -1,4 +1,5 @@
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#include "e.h"
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#include <sys/select.h>
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struct _E_Powersave_Deferred_Action
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{
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@ -7,6 +8,12 @@ struct _E_Powersave_Deferred_Action
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unsigned char delete_me : 1;
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};
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struct _E_Powersave_Sleeper
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{
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Ecore_Pipe *pipe;
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int fd;
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};
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/* local subsystem functions */
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static void _e_powersave_sleeper_cb_dummy(void *data EINA_UNUSED, void *buffer EINA_UNUSED, unsigned int bytes EINA_UNUSED);
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static Eina_Bool _e_powersave_cb_deferred_timer(void *data);
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@ -130,35 +137,57 @@ e_powersave_mode_unforce(void)
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E_API E_Powersave_Sleeper *
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e_powersave_sleeper_new(void)
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{
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Ecore_Pipe *pipe;
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E_Powersave_Sleeper *sleeper;
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pipe = ecore_pipe_add(_e_powersave_sleeper_cb_dummy, NULL);
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powersave_sleepers = eina_list_append(powersave_sleepers, pipe);
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return (E_Powersave_Sleeper *)pipe;
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sleeper = E_NEW(E_Powersave_Sleeper, 1);
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sleeper->pipe = ecore_pipe_add(_e_powersave_sleeper_cb_dummy, NULL);
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ecore_pipe_freeze(sleeper->pipe);
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powersave_sleepers = eina_list_append(powersave_sleepers, sleeper);
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return (E_Powersave_Sleeper *)sleeper;
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}
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E_API void
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e_powersave_sleeper_free(E_Powersave_Sleeper *sleeper)
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{
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Ecore_Pipe *pipe = (Ecore_Pipe *)sleeper;
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if (!pipe) return;
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powersave_sleepers = eina_list_remove(powersave_sleepers, pipe);
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ecore_pipe_del(pipe);
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if (!sleeper) return;
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ecore_pipe_del(sleeper->pipe);
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powersave_sleepers = eina_list_remove(powersave_sleepers, sleeper);
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eina_freeq_ptr_add(eina_freeq_main_get(), sleeper, free, sizeof(*sleeper));
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}
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E_API void
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e_powersave_sleeper_sleep(E_Powersave_Sleeper *sleeper, int poll_interval)
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{
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Ecore_Pipe *pipe = (Ecore_Pipe *)sleeper;
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double tim, now;
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unsigned int tim;
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fd_set rfds, wfds, exfds;
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struct timeval tv;
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int ret;
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char buf[1] = { 1 };
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if (!pipe) return;
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if (!sleeper) return;
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if (e_powersave_mode_get() == E_POWERSAVE_MODE_FREEZE) tim = 3600;
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else tim = (double)poll_interval / 8.0;
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now = ecore_time_get();
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tim = fmod(now, tim);
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ecore_pipe_wait(pipe, 1, tim);
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FD_ZERO(&rfds);
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FD_ZERO(&wfds);
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FD_ZERO(&exfds);
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FD_SET(sleeper->fd, &rfds);
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tim = (fmod(ecore_time_get(), tim) * 1000000.0);
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tv.tv_sec = tim / 1000000;
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tv.tv_usec = tim % 1000000;
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for (;;)
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{
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ret = select(sleeper->fd + 1, &rfds, &wfds, &exfds, &tv);
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if ((ret == 1) && (FD_ISSET(sleeper->fd, &rfds)))
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{
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read(sleeper->fd, buf, 1);
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return;
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}
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else if (ret == 0)
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{
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return;
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}
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}
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}
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/* local subsystem functions */
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@ -166,13 +195,14 @@ e_powersave_sleeper_sleep(E_Powersave_Sleeper *sleeper, int poll_interval)
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static void
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_e_powersave_sleepers_wake(void)
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{
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Ecore_Pipe *pipe;
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E_Powersave_Sleeper *sleeper;
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Eina_List *l;
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char buf[1] = { 1 };
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EINA_LIST_FOREACH(powersave_sleepers, l, pipe)
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EINA_LIST_FOREACH(powersave_sleepers, l, sleeper)
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{
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ecore_pipe_write(pipe, buf, 1);
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write(ecore_pipe_write_fd(sleeper->pipe), buf, 1);
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ecore_pipe_write(sleeper->pipe, buf, 1);
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}
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}
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