From 5a50fa7147be049212274534ccfbf7ed14708070 Mon Sep 17 00:00:00 2001 From: Warren Dukes Date: Tue, 13 Apr 2004 17:08:31 +0000 Subject: block signals when writing db to ensure db isn't corrupted git-svn-id: https://svn.musicpd.org/mpd/trunk@730 09075e82-0dd4-0310-85a5-a0d7c8717e4f --- src/directory.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/directory.c') diff --git a/src/directory.c b/src/directory.c index 8a193d5a2..ec0d24ba7 100644 --- a/src/directory.c +++ b/src/directory.c @@ -553,6 +553,7 @@ int printDirectoryInfo(FILE * fp, char * name) { return 0; } +/* DON'T BLOCK SIGNALS IN THIS FUNCTION, called by writeDirectoryDB() */ void writeDirectoryInfo(FILE * fp, Directory * directory) { ListNode * node = (directory->subDirectories)->firstNode; Directory * subDirectory; @@ -684,12 +685,18 @@ int writeDirectoryDB() { while(!(fp=fopen(directorydb,"w")) && errno==EINTR); if(!fp) return -1; + /* block signals so we ensure the db doesn't get corrupted */ + /* no functions that writeDirectoryInfoCalls should mess with + signals or signal blocking! */ + blockSignals(); myfprintf(fp,"%s\n",DIRECTORY_INFO_BEGIN); myfprintf(fp,"%s%s\n",DIRECTORY_MPD_VERSION,VERSION); myfprintf(fp,"%s%s\n",DIRECTORY_FS_CHARSET,getFsCharset()); myfprintf(fp,"%s\n",DIRECTORY_INFO_END); writeDirectoryInfo(fp,mp3rootDirectory); + unblockSignals(); + while(fclose(fp) && errno==EINTR); return 0; -- cgit v1.2.3