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Add sigset()

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This commit is contained in:
Gregory Nutt
2015-04-09 10:16:35 -06:00
parent 2aa80e06f5
commit 81703e6fad
4 changed files with 288 additions and 20 deletions
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include/signal.h
+8 -1
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@@ -165,11 +165,17 @@
#define SIGEV_NONE 0 /* No notification desired */
#define SIGEV_SIGNAL 1 /* Notify via signal */
/* Special values of sigaction (all treated like NULL) */
/* Special values of of sa_handler used by sigaction and sigset. There are all
* treated like NULL for now.
*
* REVISIT: Need to distinguish the value of SIG_HOLD. It is need in the
* implementation of sigset().
*/
#define SIG_ERR ((CODE void*)-1)
#define SIG_DFL ((CODE void*)0)
#define SIG_IGN ((CODE void*)0)
#define SIG_HOLD ((CODE void*)0)
/********************************************************************************
* Global Type Declarations
@@ -262,6 +268,7 @@ int sigdelset(FAR sigset_t *set, int signo);
int sigismember(FAR const sigset_t *set, int signo);
int sigaction(int sig, FAR const struct sigaction *act,
FAR struct sigaction *oact);
void (*sigset(int signo, void (*disp)(int)))(int);
int sigignore(int signo);
int sigprocmask(int how, FAR const sigset_t *set, FAR sigset_t *oset);
int sigpause(int signo);