49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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#pragma once
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#include "../plugin.h"
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// This extension let your plugin hook itself into the host select/poll/epoll/kqueue reactor.
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// This is useful to handle asynchronous I/O on the main thread.
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static CLAP_CONSTEXPR const char CLAP_EXT_POSIX_FD_SUPPORT[] = "clap.posix-fd-support";
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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// IO events flags, they can be used to form a mask which describes:
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// - which events you are interested in (register_fd/modify_fd)
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// - which events happened (on_fd)
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CLAP_POSIX_FD_READ = 1 << 0,
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CLAP_POSIX_FD_WRITE = 1 << 1,
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CLAP_POSIX_FD_ERROR = 1 << 2,
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};
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typedef uint32_t clap_posix_fd_flags_t;
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typedef struct clap_plugin_posix_fd_support {
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// This callback is "level-triggered".
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// It means that a writable fd will continuously produce "on_fd()" events;
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// don't forget using modify_fd() to remove the write notification once you're
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// done writing.
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//
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// [main-thread]
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void(CLAP_ABI *on_fd)(const clap_plugin_t *plugin, int fd, clap_posix_fd_flags_t flags);
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} clap_plugin_posix_fd_support_t;
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typedef struct clap_host_posix_fd_support {
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// Returns true on success.
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// [main-thread]
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bool(CLAP_ABI *register_fd)(const clap_host_t *host, int fd, clap_posix_fd_flags_t flags);
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// Returns true on success.
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// [main-thread]
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bool(CLAP_ABI *modify_fd)(const clap_host_t *host, int fd, clap_posix_fd_flags_t flags);
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// Returns true on success.
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// [main-thread]
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bool(CLAP_ABI *unregister_fd)(const clap_host_t *host, int fd);
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} clap_host_posix_fd_support_t;
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#ifdef __cplusplus
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}
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#endif
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