SYNOPSISIn signal.h Ft int Fn sigpending sigset_t *set
DESCRIPTIONThe Fn sigpending system call returns a mask of the signals pending for delivery to the calling thread or the calling process in the location indicated by Fa set . Signals may be pending because they are currently masked, or transiently before delivery (although the latter case is not normally detectable).
RETURN VALUESRv -std sigpending
ERRORSThe Fn sigpending system call will fail if:
- Bq Er EFAULT
- The Fa set argument specified an invalid address.
STANDARDSThe Fn sigpending system call is expected to conform to St -p1003.1-90 .