int pthread_sigmask(int __how,__sigset_t *__newmask,__sigset_t *__oldmask)

{

  __sigset_t *__set;

  int iVar1;

  int *piVar2;

  int iVar3;

  sigset_t sStack_90;

  __set = __newmask;

  if (__newmask != (__sigset_t *)0x0) {

    __set = &sStack_90;

    memcpy(__set,__newmask,0x80)   //possible issue identified - semgrep

    iVar1 = __pthread_sig_restart;

    if (__how != 2) {

      if (__how == 3) {

        sigaddset(__set,__pthread_sig_restart);

      }

      else if (__how != 1) {

        __set = &sStack_90;

        goto LAB_00018f20;

      }

      sigdelset(__set,__pthread_sig_cancel);

      iVar1 = __pthread_sig_debug;

      if (__pthread_sig_debug < 1) {

        __set = &sStack_90;

        goto LAB_00018f20;

      }

    }

    sigdelset(__set,iVar1);

  }

LAB_00018f20:

  iVar1 = sigprocmask(__how,__set,__oldmask);

  iVar3 = 0;

  if (iVar1 == -1) {

    piVar2 = __errno_location();

    iVar3 = *piVar2;

  }

  return iVar3;

}