sigblock

Adds the signals in the specified mask to the set of signals currently being blocked from delivery.

Library:LibC

Classification:BSD

Service:Signal Services

Syntax

  #include <signal.h> 
   
  int sigblock (
     int   mask );

Parameters

mask: (IN) Specifies the signals to add to the mask.

Return Values

Returns the previous set of signals.

Remarks

IMPORTANT:This function is only available to NLMs that are using POSIX semantics.

SIGKILL and SIGSTOP cannot be blocked. The mask is created with the sigmask function.

See Also