now player and decoder processes should only exit() when receiving term signal…

src/audioOutputs/audioOutput_alsa.c

@@ -284,7 +284,7 @@ static int alsa_playAudio(AudioOutput * audioOutput, char * playChunk,
 	while (size > 0) {
 		ret = ad->writei(ad->pcmHandle, playChunk, size);
 
-		if(ret == -EAGAIN) continue;
+		if(ret == -EAGAIN || ret == -EINTR) continue;
 		
 		if(ret < 0) {
 			if( alsa_errorRecovery(ad, ret) < 0) {

src/decode.c

@@ -39,7 +39,7 @@
 
 volatile int * volatile decode_pid = NULL;
 
-void decodeSigHandler(int sig) {
+void decodeSigHandler(int sig, siginfo_t * si, void * v) {
 	if(sig==SIGCHLD) {
 		int status;
 		if(decode_pid && *decode_pid==wait3(&status,WNOHANG,NULL)) {
@@ -52,7 +52,8 @@ void decodeSigHandler(int sig) {
 			*decode_pid = 0;
 		}
 	}
-	else if(sig==SIGTERM) {
+	else if(sig==SIGTERM && si->si_pid==getppid()) {
+		DEBUG("player/decoder got SIGTERM from parent process\n");
 		if(decode_pid) {
 			int pid = *decode_pid;
 			if(pid>0) kill(pid,SIGTERM);

src/decode.h

@@ -27,6 +27,7 @@
 
 #include <stdio.h>
 #include <sys/param.h>
+#include <signal.h>
 
 #define DECODE_TYPE_FILE	0
 #define DECODE_TYPE_URL		1
@@ -61,7 +62,7 @@ typedef struct _DecoderControl {
         volatile float totalTime;
 } DecoderControl;
 
-void decodeSigHandler(int sig);
+void decodeSigHandler(int sig, siginfo_t * siginfo, void * v);
 
 void decode();
 

src/sig_handlers.c

@@ -74,6 +74,7 @@ void initSigHandlers() {
 	sa.sa_flags = 0;
 	sigemptyset(&sa.sa_mask);
 	sa.sa_handler = SIG_IGN;
+	sa.sa_sigaction = NULL;
 	while(sigaction(SIGPIPE,&sa,NULL)<0 && errno==EINTR);
 	sa.sa_handler = chldSigHandler;
 	while(sigaction(SIGCHLD,&sa,NULL)<0 && errno==EINTR);
@@ -98,8 +99,11 @@ void setSigHandlersForDecoder() {
 	sa.sa_flags = 0;
 	sigemptyset(&sa.sa_mask);
 	sa.sa_handler = SIG_IGN;
+	sa.sa_sigaction = NULL;
 	while(sigaction(SIGHUP,&sa,NULL)<0 && errno==EINTR);
-	sa.sa_handler = decodeSigHandler;
+	sa.sa_handler = NULL;
+	sa.sa_flags = SA_SIGINFO;
+	sa.sa_sigaction = decodeSigHandler;
 	while(sigaction(SIGCHLD,&sa,NULL)<0 && errno==EINTR);
 	while(sigaction(SIGTERM,&sa,NULL)<0 && errno==EINTR);
 	while(sigaction(SIGINT,&sa,NULL)<0 && errno==EINTR);
@@ -111,6 +115,7 @@ void ignoreSignals() {
 	sa.sa_flags = 0;
 	sigemptyset(&sa.sa_mask);
 	sa.sa_handler = SIG_IGN;
+	sa.sa_sigaction = NULL;
 	while(sigaction(SIGPIPE,&sa,NULL)<0 && errno==EINTR);
 	while(sigaction(SIGCHLD,&sa,NULL)<0 && errno==EINTR);
 	while(sigaction(SIGUSR1,&sa,NULL)<0 && errno==EINTR);