4 This file is part of polypaudio.
6 polypaudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 polypaudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with polypaudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
40 #include "mainloop-signal.h"
42 #include "cli-command.h"
47 static struct pa_mainloop *mainloop;
49 static void exit_signal_callback(struct pa_mainloop_api*m, struct pa_signal_event *e, int sig, void *userdata) {
51 fprintf(stderr, __FILE__": got signal.\n");
54 static void aux_signal_callback(struct pa_mainloop_api*m, struct pa_signal_event *e, int sig, void *userdata) {
55 struct pa_core *c = userdata;
57 pa_module_load(c, sig == SIGUSR1 ? "module-cli" : "module-cli-protocol-unix", NULL);
60 static void close_pipe(int p[2]) {
68 int main(int argc, char *argv[]) {
70 struct pa_cmdline *cmdline = NULL;
71 struct pa_strbuf *buf = NULL;
74 int daemon_pipe[2] = { -1, -1 };
76 if (!(cmdline = pa_cmdline_parse(argc, argv))) {
77 fprintf(stderr, __FILE__": failed to parse command line.\n");
82 pa_cmdline_help(argv[0]);
87 if (cmdline->daemonize) {
90 if (pa_stdio_acquire() < 0) {
91 fprintf(stderr, __FILE__": failed to acquire stdio.\n");
95 if (pipe(daemon_pipe) < 0) {
96 fprintf(stderr, __FILE__": failed to create pipe.\n");
100 if ((child = fork()) < 0) {
101 fprintf(stderr, __FILE__": fork() failed: %s\n", strerror(errno));
108 close(daemon_pipe[1]);
111 if (pa_loop_read(daemon_pipe[0], &retval, sizeof(retval)) != sizeof(retval)) {
112 fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
119 close(daemon_pipe[0]);
129 lt_dladdsearchdir(DLSEARCHDIR);
132 mainloop = pa_mainloop_new();
135 r = pa_signal_init(pa_mainloop_get_api(mainloop));
137 pa_signal_new(SIGINT, exit_signal_callback, NULL);
138 signal(SIGPIPE, SIG_IGN);
140 c = pa_core_new(pa_mainloop_get_api(mainloop));
143 pa_signal_new(SIGUSR1, aux_signal_callback, c);
144 pa_signal_new(SIGUSR2, aux_signal_callback, c);
146 buf = pa_strbuf_new();
148 r = pa_cli_command_execute(c, cmdline->cli_commands, buf, &cmdline->fail, &cmdline->verbose);
149 fprintf(stderr, s = pa_strbuf_tostring_free(buf));
152 if (r < 0 && cmdline->fail) {
153 fprintf(stderr, __FILE__": failed to initialize daemon.\n");
154 if (cmdline->daemonize)
155 pa_loop_write(daemon_pipe[1], &retval, sizeof(retval));
156 } else if (!c->modules || pa_idxset_ncontents(c->modules) == 0) {
157 fprintf(stderr, __FILE__": daemon startup without any loaded modules, refusing to work.\n");
158 if (cmdline->daemonize)
159 pa_loop_write(daemon_pipe[1], &retval, sizeof(retval));
162 if (cmdline->daemonize)
163 pa_loop_write(daemon_pipe[1], &retval, sizeof(retval));
164 fprintf(stderr, __FILE__": mainloop entry.\n");
165 if (pa_mainloop_run(mainloop, &retval) < 0)
167 fprintf(stderr, __FILE__": mainloop exit.\n");
173 pa_mainloop_free(mainloop);
180 pa_cmdline_free(cmdline);
182 close_pipe(daemon_pipe);