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add CPU load limiter

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@176 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-09-03 20:14:23 +00:00
parent c73a298f88
commit 4a9239f808
10 changed files with 392 additions and 40 deletions
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43
polyp/mainloop-signal.c
View file

@ -54,33 +54,31 @@ static void signal_handler(int sig) {
}
static void callback(struct pa_mainloop_api*a, struct pa_io_event*e, int fd, enum pa_io_event_flags f, void *userdata) {
ssize_t r;
int sig;
struct pa_signal_event*s;
assert(a && e && f == PA_IO_EVENT_INPUT && e == io_event && fd == signal_pipe[0]);
for (;;) {
ssize_t r;
int sig;
struct pa_signal_event*s;
if ((r = read(signal_pipe[0], &sig, sizeof(sig))) < 0) {
if (errno == EAGAIN)
return;
fprintf(stderr, "signal.c: read(): %s\n", strerror(errno));
if ((r = read(signal_pipe[0], &sig, sizeof(sig))) < 0) {
if (errno == EAGAIN)
return;
}
if (r != sizeof(sig)) {
fprintf(stderr, "signal.c: short read()\n");
return;
}
for (s = signals; s; s = s->next)
if (s->sig == sig) {
assert(s->callback);
s->callback(a, s, sig, s->userdata);
break;
}
fprintf(stderr, "signal.c: read(): %s\n", strerror(errno));
return;
}
if (r != sizeof(sig)) {
fprintf(stderr, "signal.c: short read()\n");
return;
}
for (s = signals; s; s = s->next)
if (s->sig == sig) {
assert(s->callback);
s->callback(a, s, sig, s->userdata);
break;
}
}
int pa_signal_init(struct pa_mainloop_api *a) {
@ -108,7 +106,8 @@ void pa_signal_done(void) {
while (signals)
pa_signal_free(signals);
api->io_free(io_event);
api->io_free(io_event);
io_event = NULL;
close(signal_pipe[0]);