From 26f72edc468b235ee735821be54856ccfce87fbd Mon Sep 17 00:00:00 2001 From: Warren Dukes Date: Sun, 11 Apr 2004 23:37:18 +0000 Subject: add volatile qualifiers to some shared mem buffer stuff, to enusre compiler doesn't optimize out order sensitive stuff git-svn-id: https://svn.musicpd.org/mpd/trunk@698 09075e82-0dd4-0310-85a5-a0d7c8717e4f --- src/decode.c | 2 +- src/player.h | 22 +++++++++++----------- src/playerData.h | 16 ++++++++-------- 3 files changed, 20 insertions(+), 20 deletions(-) diff --git a/src/decode.c b/src/decode.c index 5cb5cfa20..4b50192b4 100644 --- a/src/decode.c +++ b/src/decode.c @@ -52,7 +52,7 @@ #include #include -int * decode_pid = NULL; +int volatile * decode_pid = NULL; void decodeSigHandler(int sig) { if(sig==SIGCHLD) { diff --git a/src/player.h b/src/player.h index df256ea0b..65ea07595 100644 --- a/src/player.h +++ b/src/player.h @@ -52,11 +52,11 @@ typedef struct _PlayerControl { mpd_sint8 decodeType; - mpd_sint8 stop; - mpd_sint8 play; - mpd_sint8 pause; - mpd_sint8 state; - mpd_sint8 closeAudio; + mpd_sint8 volatile stop; + mpd_sint8 volatile play; + mpd_sint8 volatile pause; + mpd_sint8 volatile state; + mpd_sint8 volatile closeAudio; mpd_sint8 error; mpd_uint16 bitRate; mpd_sint8 bits; @@ -67,16 +67,16 @@ typedef struct _PlayerControl { float elapsedTime; char file[MAXPATHLEN+1]; char erroredFile[MAXPATHLEN+1]; - mpd_sint8 queueState; - mpd_sint8 queueLockState; - mpd_sint8 lockQueue; - mpd_sint8 unlockQueue; - mpd_sint8 seek; + mpd_sint8 volatile queueState; + mpd_sint8 volatile queueLockState; + mpd_sint8 volatile lockQueue; + mpd_sint8 volatile unlockQueue; + mpd_sint8 volatile seek; double seekWhere; float crossFade; mpd_uint16 softwareVolume; double totalPlayTime; - int decode_pid; + int volatile decode_pid; } PlayerControl; void player_sigChldHandler(int pid, int status); diff --git a/src/playerData.h b/src/playerData.h index 52cbba1be..353c33c66 100644 --- a/src/playerData.h +++ b/src/playerData.h @@ -33,14 +33,14 @@ extern int buffered_before_play; extern int buffered_chunks; typedef struct _Buffer { - char * chunks; - mpd_uint16 * chunkSize; - mpd_uint16 * bitRate; - float * times; - mpd_sint16 begin; - mpd_sint16 end; - mpd_sint16 next; - mpd_sint8 wrap; + char * volatile chunks; + mpd_uint16 * volatile chunkSize; + mpd_uint16 * volatile bitRate; + float * volatile times; + mpd_sint16 volatile begin; + mpd_sint16 volatile end; + mpd_sint16 volatile next; + mpd_sint8 volatile wrap; float totalTime; } Buffer; -- cgit v1.2.3