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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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5
Kernel/Process.h
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@ -126,6 +126,9 @@ public:
int sys$execve(const char* filename, const char** argv, const char** envp);
Unix::sighandler_t sys$signal(int signum, Unix::sighandler_t);
int sys$isatty(int fd);
int sys$getdtablesize();
int sys$dup(int oldfd);
int sys$dup2(int oldfd, int newfd);
static void initialize();
@ -193,7 +196,7 @@ private:
State m_state { Invalid };
DWORD m_wakeupTime { 0 };
TSS32 m_tss;
Vector<OwnPtr<FileHandle>> m_file_descriptors;
Vector<RetainPtr<FileHandle>> m_file_descriptors;
RingLevel m_ring { Ring0 };
int m_error { 0 };
void* m_kernelStack { nullptr };