implement gnu sigisemptyset

This commit is contained in:
Rich Felker 2011-09-12 00:00:30 -04:00
parent ce17ea6f2c
commit fb80e047cc
2 changed files with 10 additions and 0 deletions

View File

@ -106,6 +106,7 @@ void (*sigset(int, void (*)(int)))(int);
#ifdef _GNU_SOURCE
typedef void (*sighandler_t)(int);
void (*bsd_signal(int, void (*)(int)))(int);
int sigisemptyset(const sigset_t *);
#define SA_NOMASK SA_NODEFER
#endif

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@ -0,0 +1,9 @@
#define _GNU_SOURCE
#include <signal.h>
#include <string.h>
int sigisemptyset(const sigset_t *set)
{
static const sigset_t zeroset;
return !memcmp(set, &zeroset, 8);
}