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tint2: Do not rely only on select() to detect new X events, since we sync the socket in the system tray which messes up select

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o9000 2015-06-25 15:36:47 +02:00
parent 222eca4099
commit 4d69a0bc33
1 changed files with 220 additions and 217 deletions
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17
src/tint.c
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@ -224,6 +224,8 @@ void init_X11_post_config()
if (pipe(sn_pipe) != 0) {
fprintf(stderr, "Creating pipe failed.\n");
} else {
fcntl(sn_pipe[0], F_SETFL, O_NONBLOCK | fcntl(sn_pipe[0], F_GETFL));
fcntl(sn_pipe[1], F_SETFL, O_NONBLOCK | fcntl(sn_pipe[1], F_GETFL));
sn_pipe_valid = 1;
struct sigaction act;
memset(&act, 0, sizeof(struct sigaction));
@ -1173,14 +1175,17 @@ start:
timeout = 0;
// Wait for X Event or a Timer
if (select(maxfd+1, &fdset, 0, 0, timeout) > 0) {
if (FD_ISSET(sn_pipe[0], &fdset)) {
if (systray_profile)
fprintf(stderr, "[%f] %s:%d waiting for events...\n", profiling_get_time(), __FUNCTION__, __LINE__);
if (XPending(server.dsp) > 0 || select(maxfd+1, &fdset, 0, 0, timeout) >= 0) {
if (systray_profile)
fprintf(stderr, "[%f] %s:%d processing events\n", profiling_get_time(), __FUNCTION__, __LINE__);
if (sn_pipe_valid) {
char buffer[1];
ssize_t wur = read(sn_pipe[0], buffer, 1);
(void) wur;
while (read(sn_pipe[0], buffer, sizeof(buffer)) > 0) {
sigchld_handler_async();
}
if (FD_ISSET(x11_fd, &fdset)) {
}
while (XPending(server.dsp)) {
XNextEvent(server.dsp, &e);
#if HAVE_SN
@ -1417,7 +1422,6 @@ start:
}
}
}
}
callback_timeout_expired();
@ -1426,7 +1430,6 @@ start:
if (signal_pending == SIGUSR1) {
// restart tint2
// SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
FD_CLR (x11_fd, &fdset); // not sure if needed
goto start;
}
else {