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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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49
polyp/main.c
View file

@ -43,6 +43,7 @@
#include "util.h"
#include "sioman.h"
#include "xmalloc.h"
#include "cpulimit.h"
static struct pa_mainloop *mainloop;
@ -54,15 +55,37 @@ static void drop_root(void) {
}
}
static void exit_signal_callback(struct pa_mainloop_api*m, struct pa_signal_event *e, int sig, void *userdata) {
m->quit(m, 1);
fprintf(stderr, __FILE__": got signal.\n");
static const char* signal_name(int s) {
switch(s) {
case SIGINT: return "SIGINT";
case SIGTERM: return "SIGTERM";
case SIGUSR1: return "SIGUSR1";
case SIGUSR2: return "SIGUSR2";
case SIGXCPU: return "SIGXCPU";
case SIGPIPE: return "SIGPIPE";
default: return "UNKNOWN SIGNAL";
}
}
static void aux_signal_callback(struct pa_mainloop_api*m, struct pa_signal_event *e, int sig, void *userdata) {
struct pa_core *c = userdata;
assert(c);
pa_module_load(c, sig == SIGUSR1 ? "module-cli" : "module-cli-protocol-unix", NULL);
static void signal_callback(struct pa_mainloop_api*m, struct pa_signal_event *e, int sig, void *userdata) {
fprintf(stderr, __FILE__": got signal %s.\n", signal_name(sig));
switch (sig) {
case SIGUSR1:
pa_module_load(userdata, "module-cli", NULL);
return;
case SIGUSR2:
pa_module_load(userdata, "module-cli-protocol-unix", NULL);
return;
case SIGINT:
case SIGTERM:
default:
fprintf(stderr, "Exiting.\n");
m->quit(m, 1);
return;
}
}
static void close_pipe(int p[2]) {
@ -157,16 +180,19 @@ int main(int argc, char *argv[]) {
r = pa_signal_init(pa_mainloop_get_api(mainloop));
assert(r == 0);
pa_signal_new(SIGINT, exit_signal_callback, NULL);
pa_signal_new(SIGTERM, exit_signal_callback, NULL);
pa_signal_new(SIGINT, signal_callback, c);
pa_signal_new(SIGTERM, signal_callback, c);
signal(SIGPIPE, SIG_IGN);
c = pa_core_new(pa_mainloop_get_api(mainloop));
assert(c);
pa_signal_new(SIGUSR1, aux_signal_callback, c);
pa_signal_new(SIGUSR2, aux_signal_callback, c);
pa_signal_new(SIGUSR1, signal_callback, c);
pa_signal_new(SIGUSR2, signal_callback, c);
r = pa_cpu_limit_init(pa_mainloop_get_api(mainloop));
assert(r == 0);
buf = pa_strbuf_new();
assert(buf);
r = pa_cli_command_execute(c, cmdline->cli_commands, buf, &cmdline->fail, &cmdline->verbose);
@ -193,6 +219,7 @@ int main(int argc, char *argv[]) {
pa_core_free(c);
pa_cpu_limit_done();
pa_signal_done();
pa_mainloop_free(mainloop);