ESP-IDF
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Outline
#define _ESP_PLATFORM_SYS_POLL_H_
#define POLLIN
#define POLLRDNORM
#define POLLRDBAND
#define POLLPRI
#define POLLOUT
#define POLLWRNORM
#define POLLWRBAND
#define POLLERR
#define POLLHUP
#define POLLNVAL
pollfd
nfds_t
poll(struct pollfd *, nfds_t, int);
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/newlib/platform_include/sys/poll.h
 
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/* * SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #ifndef _ESP_PLATFORM_SYS_POLL_H_ #define _ESP_PLATFORM_SYS_POLL_H_ #define POLLIN (1u << 0) /* data other than high-priority may be read without blocking */ #define POLLRDNORM (1u << 1) /* normal data may be read without blocking */ #define POLLRDBAND (1u << 2) /* priority data may be read without blocking */ #define POLLPRI (POLLRDBAND) /* high-priority data may be read without blocking */ // Note: POLLPRI is made equivalent to POLLRDBAND in order to fit all these events into one byte #define POLLOUT (1u << 3) /* normal data may be written without blocking */ #define POLLWRNORM (POLLOUT) /* equivalent to POLLOUT */ #define POLLWRBAND (1u << 4) /* priority data my be written */ #define POLLERR (1u << 5) /* some poll error occurred */ #define POLLHUP (1u << 6) /* file descriptor was "hung up" */ #define POLLNVAL (1u << 7) /* the specified file descriptor is invalid */11 defines #ifdef __cplusplus extern "C" { #endif struct pollfd { int fd; /* The descriptor. */ short events; /* The event(s) is/are specified here. */ short revents; /* Events found are returned here. */ }{ ... }; typedef unsigned int nfds_t; int poll(struct pollfd *fds, nfds_t nfds, int timeout); #ifdef __cplusplus }{...} // extern "C" #endif /* ... */ #endif // _ESP_PLATFORM_SYS_POLL_H_
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