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More work towards getting bash to build.

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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
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3
LibC/unistd.h
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@ -39,6 +39,9 @@ int ttyname_r(int fd, char* buffer, size_t);
off_t lseek(int fd, off_t, int whence);
int link(const char* oldpath, const char* newpath);
int unlink(const char* pathname);
int getdtablesize();
int dup(int old_fd);
int dup2(int old_fd, int new_fd);
#define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
#define WTERMSIG(status) ((status) & 0x7f)