mirror of
https://github.com/ByteWelder/Tactility.git
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79d3dd4fdb
app-module - Apps now have support for: - environment variables (inherit from parent app) - current workdir - window size (when running in terminal) - Add type aliases like `AppId` and `PackageId` - Remove data duplication between ledger and app instance records: create `AppManifestSet` - `AppManifest` usage safety improved: pass by value where needed, or use `AppId` instead of a manifest. Terminal and shell - Moved shell commands into coreutils-module as proper apps. - Refine stack size for terminal and shell because apps now run with their own task and stack (including in-memory apps) Platform - Fix for listing root dir on ESP32: wrap posix directory functions and wire in file systems. - Moved all platform-specific file system init code to platform subprojects Other - Fix for screenshot capture (issue with paths) - Fixes for coreutils app correctness - Memory optimizations (use more PSRAM where possible) in various locations such as app-module, shell and terminal. - `ls` and `help` commands now use terminal width and show columns of data by default - Created fs helpers at `TactilityKernel/include/tactility/filesystem/fs.h` (partially ported from `ShellFs`)
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include <app/file.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <tactility/error.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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/** Fixed size of an app instance's fd table. FD allocation uses the lowest unused index >= 3. */
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#define APP_MAX_FDS 16
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/**
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* FD-table dispatch for read()/write()/close(). Falls through to the real syscall for a fd not
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* bound by the calling task's own app instance.
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*/
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ssize_t app_io_read(int fd, void* buffer, size_t size);
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ssize_t app_io_write(int fd, const void* buffer, size_t size);
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int app_io_close(int fd);
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/**
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* FD-table dispatch for AppFileOps::await(): blocks until @a fd is ready or @a timeout elapses.
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* @retval ERROR_NOT_FOUND @a fd isn't bound in the calling task's own app instance fd table
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* @retval ERROR_TIMEOUT @a timeout elapsed
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* @retval ERROR_NONE the condition is true
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*/
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error_t app_io_await(int fd, AppFileWait wait, TickType_t timeout);
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/**
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* FD-table dispatch for AppFileOps::ioctl().
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* @retval ERROR_NOT_FOUND @a fd isn't bound in the calling task's own app instance fd table
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* @retval ERROR_NOT_SUPPORTED the object bound at @a fd has no ioctl() implementation
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*/
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error_t app_io_ioctl(int fd, AppIoctlRequest request, void* arg);
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/**
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* Installs a custom AppFileOps at @a fd in the calling task's own app instance fd table.
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* Unlike AppStreamBinding, writes are never teed to the real underlying fd.
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* @warning Must be called from the app instance's own task.
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* @retval ERROR_NOT_FOUND the calling task isn't a running app instance
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* @retval ERROR_OUT_OF_RANGE @a fd is outside [0, APP_MAX_FDS)
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* @retval ERROR_NONE on success
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*/
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error_t app_io_bind_self(int fd, const struct AppFileOps* ops, void* object);
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#ifdef __cplusplus
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}
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#endif
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