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Code

Assume the availability of POSIX signals

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This commit is contained in:
Moritz Grimm 2017-07-07 16:35:32 +02:00
parent 71e5820df1
commit cfbbc94751
2 changed files with 7 additions and 34 deletions
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9
configure.ac
View File

@ -226,15 +226,6 @@ AC_REPLACE_FUNCS([ \
strtonum \
])
AC_CHECK_FUNCS([sigaction], [
AC_DEFINE([HAVE_SIGNALS], [1],
[Define to 1 if we have BSD signals.])
], [], [
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
])
AC_CHECK_FUNC([clock_gettime], [], [
AC_CHECK_LIB([rt], [clock_gettime], [
AX_UNIQVAR_PREPEND([EZ_LIBS], [-lrt])

32
src/ezstream.c
View File

@ -21,9 +21,7 @@
#include "ezstream.h"
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
#include <signal.h>
#include "cfg.h"
#include "cmdline.h"
@ -44,7 +42,6 @@ playlist_t playlist;
int playlistMode;
unsigned int resource_errors;
#ifdef HAVE_SIGNALS
const int ezstream_signals[] = {
SIGTERM, SIGINT, SIGHUP, SIGUSR1, SIGUSR2
};
@ -54,13 +51,6 @@ volatile sig_atomic_t rereadPlaylist_notify;
volatile sig_atomic_t skipTrack;
volatile sig_atomic_t queryMetadata;
volatile sig_atomic_t quit;
#else
int rereadPlaylist;
int rereadPlaylist_notify;
int skipTrack;
int queryMetadata;
int quit;
#endif /* HAVE_SIGNALS */
typedef struct tag_ID3Tag {
char tag[3];
@ -72,6 +62,7 @@ typedef struct tag_ID3Tag {
char genre;
} ID3Tag;
void sig_handler(int);
char * buildReencodeCommand(const char *, const char *, metadata_t);
metadata_t getMetadata(const char *);
FILE * openResource(stream_t, const char *, int *, metadata_t *,
@ -84,13 +75,6 @@ int streamFile(stream_t, const char *);
int streamPlaylist(stream_t);
int ez_shutdown(int);
#ifdef HAVE_SIGNALS
void sig_handler(int);
# ifndef SIG_IGN
# define SIG_IGN (void (*)(int))1
# endif /* !SIG_IGN */
void
sig_handler(int sig)
{
@ -113,7 +97,6 @@ sig_handler(int sig)
break;
}
}
#endif /* HAVE_SIGNALS */
char *
buildReencodeCommand(const char *extension, const char *fileName,
@ -781,10 +764,8 @@ main(int argc, char *argv[])
stream_t stream;
extern char *optarg;
extern int optind;
#ifdef HAVE_SIGNALS
struct sigaction act;
unsigned int i;
#endif
ret = 1;
if (0 > cfg_init() ||
@ -806,12 +787,11 @@ main(int argc, char *argv[])
if (0 > stream_setup(stream))
return (ez_shutdown(1));
#ifdef HAVE_SIGNALS
memset(&act, 0, sizeof(act));
act.sa_handler = sig_handler;
# ifdef SA_RESTART
#ifdef SA_RESTART
act.sa_flags = SA_RESTART;
# endif
#endif
for (i = 0; i < sizeof(ezstream_signals) / sizeof(int); i++) {
if (sigaction(ezstream_signals[i], &act, NULL) == -1) {
log_syserr(ERROR, errno, "sigaction");
@ -822,12 +802,14 @@ main(int argc, char *argv[])
* Ignore SIGPIPE, which has been seen to give a long-running ezstream
* process trouble. EOF and/or EPIPE are also easier to handle.
*/
#ifndef SIG_IGN
# define SIG_IGN (void (*)(int))1
#endif /* !SIG_IGN */
act.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &act, NULL) == -1) {
log_syserr(ERROR, errno, "sigaction");
return (ez_shutdown(1));
}
#endif /* HAVE_SIGNALS */
if (0 > stream_connect(stream)) {
log_error("initial server connection failed");