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fix broken shgetc limiter logic (wasn't working)
[musl]
/
src
/
stdio
/
ftrylockfile.c
diff --git
a/src/stdio/ftrylockfile.c
b/src/stdio/ftrylockfile.c
index
67f4b6a
..
725c4c3
100644
(file)
--- a/
src/stdio/ftrylockfile.c
+++ b/
src/stdio/ftrylockfile.c
@@
-4,13
+4,13
@@
int ftrylockfile(FILE *f)
{
int tid = pthread_self()->tid;
int ftrylockfile(FILE *f)
{
int tid = pthread_self()->tid;
- if (!libc.lockfile) libc.lockfile = __lockfile;
if (f->lock == tid) {
if (f->lock == tid) {
- if (f->lockcount ==
INT
_MAX)
+ if (f->lockcount ==
LONG
_MAX)
return -1;
f->lockcount++;
return 0;
}
return -1;
f->lockcount++;
return 0;
}
+ if (f->lock < 0) f->lock = 0;
if (f->lock || a_cas(&f->lock, 0, tid))
return -1;
f->lockcount = 1;
if (f->lock || a_cas(&f->lock, 0, tid))
return -1;
f->lockcount = 1;