forked from Bananymous/banan-os
Kernel: Add syscall for reading directory entries
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f7de310889
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7a5d5cabad
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@ -144,6 +144,14 @@ namespace Kernel
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return 0;
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}
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long sys_read_dir_entries(int fd, API::DirectoryEntryList* buffer, size_t buffer_size)
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{
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auto ret = Process::current().read_next_directory_entries(fd, buffer, buffer_size);
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if (ret.is_error())
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return -ret.error().get_error_code();
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return 0;
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}
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extern "C" long sys_fork_trampoline();
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extern "C" long cpp_syscall_handler(int syscall, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5)
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@ -215,6 +223,9 @@ namespace Kernel
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case SYS_SETENVP:
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ret = sys_setenvp((char**)arg1);
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break;
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case SYS_READ_DIR_ENTRIES:
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ret = sys_read_dir_entries((int)arg1, (API::DirectoryEntryList*)arg2, (size_t)arg3);
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break;
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default:
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Kernel::panic("Unknown syscall {}", syscall);
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}
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@ -24,6 +24,7 @@ __BEGIN_DECLS
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#define SYS_WAIT 17
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#define SYS_STAT 18
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#define SYS_SETENVP 19
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#define SYS_READ_DIR_ENTRIES 20
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__END_DECLS
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@ -163,6 +163,14 @@ long syscall(long syscall, ...)
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ret = Kernel::syscall(SYS_SETENVP, (uintptr_t)envp);
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break;
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}
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case SYS_READ_DIR_ENTRIES:
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{
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int fd = va_arg(args, int);
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void* buffer = va_arg(args, void*);
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size_t buffer_size = va_arg(args, size_t);
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ret = Kernel::syscall(SYS_READ_DIR_ENTRIES, fd, (uintptr_t)buffer, buffer_size);
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break;
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}
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default:
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puts("LibC: Unhandeled syscall");
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ret = -ENOSYS;
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