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SIG_HOLD is not yet implemented

This commit is contained in:
Gregory Nutt 2015-04-09 11:25:15 -06:00
parent c7b0be2583
commit fc45d5a2b7
1 changed files with 10 additions and 5 deletions
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15
include/signal.h
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@ -165,17 +165,22 @@
#define SIGEV_NONE 0 /* No notification desired */
#define SIGEV_SIGNAL 1 /* Notify via signal */
/* Special values of of sa_handler used by sigaction and sigset. There are all
* treated like NULL for now.
/* Special values of of sa_handler used by sigaction and sigset. They are all
* treated like NULL for now. This is okay for SIG_DFL and SIG_IGN because
* in NuttX, the default action for all signals is to ignore them.
*
* REVISIT: Need to distinguish the value of SIG_HOLD. It is need in the
* implementation of sigset().
* REVISIT: Need to distinguish the value of SIG_HOLD. It is needed in the
* implementation of sigset() but would need to be recognized in all signal
* functions that deal with signal disposition.
*/
#define SIG_ERR ((CODE void*)-1)
#define SIG_DFL ((CODE void*)0)
#define SIG_IGN ((CODE void*)0)
#define SIG_HOLD ((CODE void*)0)
#if 0 /* Not yet supported */
# define SIG_HOLD ((CODE void*)0)
#endif
/********************************************************************************
* Global Type Declarations