task_arg.h

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/* Copyright (c) 2016, 2024, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef TASK_ARG_H
#define TASK_ARG_H
 
/* Reasonably type-safe parameters to tasks */
enum arg_type {
  a_int,
  a_long,
  a_uint,
  a_ulong,
  a_ulong_long,
  a_float,
  a_double,
  a_void,
  a_string,
  a_end
};
typedef enum arg_type arg_type;
 
struct task_arg {
  arg_type type;
  union {
    int i;
    long l;
    unsigned int u_i;
    unsigned long u_l;
    unsigned long long u_ll;
    float f;
    double d;
    char const *s;
    void *v;
  } val;
};
typedef struct task_arg task_arg;
 
#endif