mirror of
https://git.planet-casio.com/Lephenixnoir/gint.git
synced 2025-01-01 06:23:35 +01:00
32 lines
541 B
C
32 lines
541 B
C
|
#ifndef _SETJMP_H
|
||
|
|
#define _SETJMP_H 1
|
||
|
|
|
||
|
|
// There are 16 CPU registers that *must* be saved to ensure a basically
|
||
|
|
// safe jump.
|
||
|
|
typedef unsigned int jmp_buf[16];
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//---
|
||
|
|
// Long jump functions.
|
||
|
|
//---
|
||
|
|
|
||
|
|
/*
|
||
|
|
setjmp()
|
||
|
|
Configures a jump by saving data to the given jump buffer.
|
||
|
|
|
||
|
|
@arg env Empty jump buffer.
|
||
|
|
*/
|
||
|
|
int setjmp(jmp_buf env);
|
||
|
|
|
||
|
|
/*
|
||
|
|
longjmp()
|
||
|
|
Performs a long jump.
|
||
|
|
|
||
|
|
@arg env Jump buffer configure with setjmp().
|
||
|
|
@arg value setjmp() will return this integer after the jump.
|
||
|
|
*/
|
||
|
|
void longjmp(jmp_buf env, int value);
|
||
|
|
|
||
|
|
#endif // _SETJMP_H
|