File: droptime.c

package info (click to toggle)
c-cpp-reference 2.0.2-6
  • links: PTS
  • area: main
  • in suites: etch, etch-m68k, lenny
  • size: 8,012 kB
  • ctags: 4,612
  • sloc: ansic: 26,960; sh: 11,014; perl: 1,854; cpp: 1,324; asm: 1,239; python: 258; makefile: 115; java: 77; awk: 34; csh: 9
file content (21 lines) | stat: -rwxr-xr-x 556 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
/** int drop_time(void)
**
**   Drops current timeslice in OS/2, Win, DPMI 1.0 and (I think) DV
**
**  Returns:  0 if not successful, 1 if dropped
**
**  Based on Ralf Brown's Interrupt list.
**  Donated to Public Domain by Thor Johnson.
**
***********************************************************************/

#include <dos.h>

int drop_time(void)     /* Drops Time-slice, giving to another program */
{
      union REGS regs;

      regs.x.ax = 0x1680;
      int86(0x2f, &regs, &regs);
      return (regs.h.al == 0x80)? 0 : 1;
}