| 9 |
|
|
| 10 |
|
#include "copyright.h" |
| 11 |
|
|
| 12 |
+ |
#include "platform.h" |
| 13 |
+ |
|
| 14 |
|
#include "standard.h" |
| 15 |
|
|
| 14 |
– |
#include "color.h" |
| 15 |
– |
|
| 16 |
|
#include "driver.h" |
| 17 |
|
|
| 18 |
– |
#include "vfork.h" |
| 19 |
– |
|
| 18 |
|
#ifndef DEVPATH |
| 19 |
|
#define DEVPATH getenv("PATH") /* device search path */ |
| 20 |
|
#endif |
| 76 |
|
eputs(": not found\n"); |
| 77 |
|
return(NULL); |
| 78 |
|
} |
| 79 |
+ |
#ifdef RHAS_FORK_EXEC |
| 80 |
|
/* open communication pipes */ |
| 81 |
|
if (pipe(p1) == -1 || pipe(p2) == -1) |
| 82 |
|
goto syserr; |
| 83 |
< |
if ((devchild = vfork()) == 0) { /* fork driver process */ |
| 83 |
> |
if ((devchild = fork()) == 0) { /* fork driver process */ |
| 84 |
|
close(p1[1]); |
| 85 |
|
close(p2[0]); |
| 86 |
|
sprintf(pin, "%d", p1[0]); |
| 101 |
|
syserr: |
| 102 |
|
perror(dname); |
| 103 |
|
return(NULL); |
| 104 |
+ |
|
| 105 |
+ |
#else /* ! RHAS_FORK_EXEC */ |
| 106 |
+ |
|
| 107 |
+ |
eputs(dname); |
| 108 |
+ |
eputs(": no fork/exec\n"); |
| 109 |
+ |
return(NULL); |
| 110 |
+ |
|
| 111 |
+ |
#endif /* ! RHAS_FORK_EXEC */ |
| 112 |
|
} |
| 113 |
|
|
| 114 |
|
|
