46 lines
835 B
C
46 lines
835 B
C
#include <lib.h>
|
|
#define fcntl _fcntl
|
|
#include <fcntl.h>
|
|
#include <stdarg.h>
|
|
|
|
#if _ANSI
|
|
PUBLIC int fcntl(int fd, int cmd, ...)
|
|
#else
|
|
PUBLIC int fcntl(fd, cmd)
|
|
int fd;
|
|
int cmd;
|
|
#endif
|
|
{
|
|
va_list argp;
|
|
message m;
|
|
|
|
va_start(argp, cmd);
|
|
|
|
/* Set up for the sensible case where there is no variable parameter. This
|
|
* covers F_GETFD, F_GETFL and invalid commands.
|
|
*/
|
|
m.m1_i3 = 0;
|
|
m.m1_p1 = NULL;
|
|
|
|
/* Adjust for the stupid cases. */
|
|
switch(cmd) {
|
|
case F_DUPFD:
|
|
case F_SETFD:
|
|
case F_SETFL:
|
|
m.m1_i3 = va_arg(argp, int);
|
|
break;
|
|
case F_GETLK:
|
|
case F_SETLK:
|
|
case F_SETLKW:
|
|
case F_FREESP:
|
|
m.m1_p1 = (char *) va_arg(argp, struct flock *);
|
|
break;
|
|
}
|
|
|
|
/* Clean up and make the system call. */
|
|
va_end(argp);
|
|
m.m1_i1 = fd;
|
|
m.m1_i2 = cmd;
|
|
return(_syscall(VFS_PROC_NR, FCNTL, &m));
|
|
}
|