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#include <sys/signal.h>
#ifndef SIGCLD
#define SIGCLD SIGCHLD
#endif
/* #define sigmask(n) ((unsigned int)1 << (((n) - 1) & (32 - 1))) */
#define sigword(n) (((unsigned int)((n) - 1))>>5)
#define __SIGEMPTYSET { 0, 0, 0, 0, 0, 0, 0, 0 }
#define __SIGFILLSET { 0xffffffff,0xffffffff,0xffffffff,0xffffffff,\
0xffffffff,0xffffffff,0xffffffff,0xffffffff}
#define __SIGADDSET(s, n) ((s)->sigset[sigword(n)] |= sigmask(n))
#define __SIGDELSET(s, n) ((s)->sigset[sigword(n)] &= ~sigmask(n))
#define __SIGISMEMBER(s, n) ((s)->sigset[sigword(n)] & sigmask(n))
#define SIGSET_SIZE sizeof(sigset_t)/sizeof(long)
#define SIG_ANY(sig) sig_any(&sig)
static inline int sig_any(sigset_t *sig) {
int i;
for (i=0; i < SIGSET_SIZE; i++)
if (sig->sigset[i] != 0)
return 1;
return 0;
}
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