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apps/system/cu/cu_main.c: (1) Protect from possible re-definition of signal values, (2) Fix CU ctrl-C hand when remote core hang.

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This commit is contained in:
ligd 2018-08-23 07:05:09 -06:00 committed by Gregory Nutt
parent aef0978a12
commit feb1229dc3
1 changed files with 12 additions and 3 deletions
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15
system/cu/cu_main.c
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@ -61,9 +61,17 @@
* Pre-processor Definitions
****************************************************************************/
#define SIGINT 2
#define SIGKILL 9
#define SIGTERM 15
#ifndef SIGINT
# define SIGINT 2
#endif
#ifndef SIGKILL
# define SIGKILL 9
#endif
#ifndef SIGTERM
# define SIGTERM 15
#endif
enum parity_mode
{
@ -119,6 +127,7 @@ static FAR void *cu_listener(FAR void *parameter)
static void sigint(int sig)
{
pthread_cancel(g_cu.listener);
tcflush(g_cu.outfd, TCIOFLUSH);
close(g_cu.outfd);
close(g_cu.infd);
exit(0);