MonetDB: profiler - When you unset a lock, you first have to set...

[Sjoerd Mullender]

Changeset: b74228236831 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=b74228236831
Modified Files:
        monetdb5/mal/mal_profiler.c
Branch: profiler
Log Message:

When you unset a lock, you first have to set it.
This probably fixes bug 3795.


diffs (19 lines):

diff --git a/monetdb5/mal/mal_profiler.c b/monetdb5/mal/mal_profiler.c
--- a/monetdb5/mal/mal_profiler.c
+++ b/monetdb5/mal/mal_profiler.c
@@ -151,6 +151,7 @@ static void logjsonInternal(int k, char 
        strncpy(s+1, buf,strlen(buf));
        len = strlen(logbuffer);
 
+       MT_lock_set(&mal_profileLock, "logjson");
        if (eventstream) {
        // upon request the log record is sent over the profile stream
                if( eventcounter == 0){
@@ -173,6 +174,7 @@ static void logjsonInternal(int k, char 
                        profilerPool[k].trace = 
open_wastream(profilerPool[k].fname);
                        if( profilerPool[k].trace == NULL){
                                GDKerror("could not create profiler file");
+                               MT_lock_unset(&mal_profileLock, "logjson");
                                return;
                        }
                        profilerPool[k].start = GDKusec();
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