diff options
Diffstat (limited to 'TraceScreen.c')
| -rw-r--r-- | TraceScreen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/TraceScreen.c b/TraceScreen.c index abef7120..845ceaab 100644 --- a/TraceScreen.c +++ b/TraceScreen.c @@ -108,7 +108,8 @@ bool TraceScreen_forkTracer(TraceScreen* this) { (void) written; exit(1); } - fcntl(this->fdpair[0], F_SETFL, O_NONBLOCK); + int ok = fcntl(this->fdpair[0], F_SETFL, O_NONBLOCK); + if (ok == -1) return false; this->strace = fdopen(this->fdpair[0], "r"); this->fd_strace = fileno(this->strace); return true; |