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More work towards getting bash to build.

Implemented some syscalls: dup(), dup2(), getdtablesize().
FileHandle is now a retainable, since that's needed for dup()'ed fd's.
I didn't really test any of this beyond a basic smoke check.
This commit is contained in:
Andreas Kling 2018-11-05 19:01:22 +01:00
parent 82f84bab11
commit 9f2b9c82bf
17 changed files with 114 additions and 23 deletions

View file

@ -3,6 +3,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <Kernel/Syscall.h>
extern "C" {
@ -20,6 +21,16 @@ DIR* opendir(const char* name)
return dirp;
}
int closedir(DIR* dirp)
{
if (!dirp || dirp->fd == -1)
return -EBADF;
int rc = close(dirp->fd);
if (rc == 0)
dirp->fd = -1;
return rc;
}
struct sys_dirent {
ino_t ino;
byte file_type;