24ec0d73b5
- introduce new call numbers, names, and field aliases; - initialize request messages to zero for all ABI calls; - format callnr.h in the same way as com.h; - redo call tables in both servers; - remove param.h namespace pollution in the servers; - make brk(2) go to VM directly, rather than through PM; - remove obsolete BRK, UTIME, and WAIT calls; - clean up path copying routine in VFS; - move remaining system calls from libminlib to libc; - correct some errno-related mistakes in libc routines. Change-Id: I2d8ec5d061cd7e0b30c51ffd77aa72ebf84e2565
25 lines
544 B
C
25 lines
544 B
C
#include <sys/cdefs.h>
|
|
#include "namespace.h"
|
|
#include <lib.h>
|
|
|
|
#include <string.h>
|
|
#include <minix/u64.h>
|
|
#include <unistd.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(lseek, _lseek)
|
|
#endif
|
|
|
|
off_t
|
|
lseek(int fd, off_t offset, int whence)
|
|
{
|
|
message m;
|
|
|
|
memset(&m, 0, sizeof(m));
|
|
m.VFS_LSEEK_FD = fd;
|
|
m.VFS_LSEEK_OFF_LO = ex64lo(offset);
|
|
m.VFS_LSEEK_OFF_HI = ex64hi(offset);
|
|
m.VFS_LSEEK_WHENCE = whence;
|
|
if (_syscall(VFS_PROC_NR, VFS_LSEEK, &m) < 0) return( (off_t) -1);
|
|
return( (off_t) make64(m.VFS_LSEEK_OFF_LO, m.VFS_LSEEK_OFF_HI));
|
|
}
|