nils/shairport-sync
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Improve error reporting if pipe can't be opened or written to.

Browse Source
This commit is contained in:
Mike Brady
2017-04-07 18:33:05 +01:00
parent b8700b3f1b
commit ec0bc81baf
1 changed files with 18 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
audio_pipe.c
+18 -3
View File
@@ -42,21 +42,36 @@
static int fd = -1;
char *pipename = NULL;
int warned = 0;
static void start(int sample_rate, int sample_format) {
// this will leave fd as -1 if a reader hasn't been attached
fd = open(pipename, O_WRONLY | O_NONBLOCK);
if ((fd<-1) && (warned==0)) {
warn("Error %d opening the pipe named \"%s\".",errno,pipename);
warned = 1;
}
}
static void play(short buf[], int samples) {
// if the file is not open, try to open it.
char errorstring[1024];
if (fd == -1) {
fd = open(pipename, O_WRONLY | O_NONBLOCK);
}
// if it's got a reader, write to it.
if (fd != -1) {
int ignore = non_blocking_write(fd, buf, samples * 4);
}
if (fd > 0) {
int rc = non_blocking_write(fd, buf, samples * 4);
if ((rc<0) && (warned==0)) {
strerror_r(errno,(char*)errorstring,1024);
warn("Error %d writing to the pipe named \"%s\": \"%s\".",errno,pipename,errorstring);
warned = 1;
}
} else if ((fd == -1) && (warned==0)) {
strerror_r(errno,(char*)errorstring,1024);
warn("Error %d opening the pipe named \"%s\": \"%s\".",errno,pipename,errorstring);
warned = 1;
}
}
static void stop(void) {