On Monday 12 October 2009 14:28:02 Garrett Cooper wrote: > On Mon, Oct 12, 2009 at 2:39 AM, liubo <[email protected]> wrote: > > The test case ppoll01 does not register the signal handler > > of SIGINT, so the program will be terminated by SIGINT > > from child process. > > > > Then, the rest cases will not be tested. > > > > This patch fixed the problem. > > > > --- a/testcases/kernel/syscalls/ppoll/ppoll01.c > > +++ b/testcases/kernel/syscalls/ppoll/ppoll01.c > > @@ -124,9 +124,17 @@ extern void cleanup() { > > +/* > > + * sighandler() > > + */ > > +void sighandler(int sig) > > +{ > > + return; > > +} > > void setup() { > > /* Capture signals if any */ > > - /* Create temporary directories */ > > + signal(SIGINT, sighandler); > > + /* Create temporary directories */ > > TEST_PAUSE; > > tst_tmpdir(); > > } > > @@ -404,16 +412,6 @@ TEST_END: > > } > > > > > > -/* > > - * sighandler() > > - */ > > -void sighandler(int sig) > > -{ > > - if (sig == SIGINT) > > - return; > > - // NOTREACHED > > - return; > > -} > > 1. If all that the signal handler does is just return, it should have > been doing SIG_IGN from the beginning. > 2. I don't understand how your change fixes this because the signal > handler's function is almost the same (the original handler was more > generic).
default behavior with SIGINT is to terminate, and going by this patch, no one
set up a signal handler for SIGINT. so the fix as you implied sounds like:
- call signal(SIGINT, SIG_IGN);
- delete sighandlerr()
-mike
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