int pthread_cancel(pthread_t __th)

{

  char cVar1;

  int iVar2;

  undefined4 *puVar3;

  int iVar4;

  undefined1 *puVar5;

  __pid_t __pid;

  iVar2 = (__th & 0x3ff) * 0x10;

  puVar5 = __pthread_handles + iVar2;

  __pthread_lock(puVar5,0);

  iVar2 = *(int *)(__pthread_handles + iVar2 + 8);

  if ((iVar2 == 0) || (*(pthread_t *)(iVar2 + 0x10) != __th)) {

    __pthread_unlock(puVar5);

    iVar2 = 3;

  }

  else {

    cVar1 = *(char *)(iVar2 + 0x42)   //possible issue identified - semgrep

    *(undefined1 *)(iVar2 + 0x42) = 1;

    if ((*(char *)(iVar2 + 0x40) == '\x01') || (cVar1 != '\0')) {

      __pthread_unlock(puVar5);

    }

    else {

      puVar3 = *(undefined4 **)(iVar2 + 0x1bc);

      __pid = *(__pid_t *)(iVar2 + 0x14);

      iVar4 = 0;

      if (puVar3 != (undefined4 *)0x0) {

        iVar4 = (*(code *)puVar3[1])(*puVar3,iVar2);

        *(char *)(iVar2 + 0x1b8) = (char)iVar4;

      }

      __pthread_unlock(puVar5);

      if (iVar4 == 0) {

        kill(__pid,__pthread_sig_cancel);

      }

      else {

        __pthread_restart_new(iVar2);

      }

    }

    iVar2 = 0;

  }

  return iVar2;

}