| /* |
| * Copyright (c) 2018 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| #ifndef ZEPHYR_INCLUDE_POSIX_UNISTD_H_ |
| #define ZEPHYR_INCLUDE_POSIX_UNISTD_H_ |
| |
| #include "posix_types.h" |
| |
| #ifdef CONFIG_POSIX_API |
| #include <zephyr/fs/fs.h> |
| #endif |
| #ifdef CONFIG_NETWORKING |
| /* For zsock_gethostname() */ |
| #include <zephyr/net/socket.h> |
| #include <zephyr/net/hostname.h> |
| #endif |
| #ifdef CONFIG_POSIX_SYSCONF |
| #include <zephyr/posix/signal.h> |
| #endif |
| #include <zephyr/posix/sys/confstr.h> |
| #include <zephyr/posix/sys/stat.h> |
| #include <zephyr/posix/sys/sysconf.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Version test macros */ |
| #define _POSIX_VERSION 200809L |
| #define _POSIX2_VERSION (-1L) |
| #define _XOPEN_VERSION (-1L) |
| |
| /* Internal helper macro to set constant if required Kconfig symbol is enabled */ |
| #define Z_SC_VAL_IFDEF(_def, _val) COND_CODE_1(_def, (_val), (-1L)) |
| |
| /* Constants for Options and Option Groups */ |
| #define _POSIX_ADVISORY_INFO (-1L) |
| #define _POSIX_ASYNCHRONOUS_IO (-1L) |
| #define _POSIX_BARRIERS Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_CHOWN_RESTRICTED (-1L) |
| #define _POSIX_CLOCK_SELECTION Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION) |
| #define _POSIX_CPUTIME (-1L) |
| #define _POSIX_FSYNC (-1L) |
| #define _POSIX_IPV6 Z_SC_VAL_IFDEF(CONFIG_NET_IPV6, _POSIX_VERSION) |
| #define _POSIX_JOB_CONTROL (-1L) |
| #define _POSIX_MAPPED_FILES _POSIX_VERSION |
| #define _POSIX_MEMLOCK (-1L) |
| #define _POSIX_MEMLOCK_RANGE (-1L) |
| #define _POSIX_MEMORY_PROTECTION (-1L) |
| #define _POSIX_MESSAGE_PASSING Z_SC_VAL_IFDEF(CONFIG_POSIX_MQUEUE, _POSIX_VERSION) |
| #define _POSIX_MONOTONIC_CLOCK Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION) |
| #define _POSIX_NO_TRUNC (-1L) |
| #define _POSIX_PRIORITIZED_IO (-1L) |
| #define _POSIX_PRIORITY_SCHEDULING (-1L) |
| #define _POSIX_RAW_SOCKETS Z_SC_VAL_IFDEF(CONFIG_NET_SOCKETS_PACKET, _POSIX_VERSION) |
| #define _POSIX_READER_WRITER_LOCKS Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_REALTIME_SIGNALS (-1L) |
| #define _POSIX_REGEXP (-1L) |
| #define _POSIX_SAVED_IDS (-1L) |
| #define _POSIX_SEMAPHORES Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_SHARED_MEMORY_OBJECTS (-1L) |
| #define _POSIX_SHELL (-1L) |
| #define _POSIX_SPAWN (-1L) |
| #define _POSIX_SPIN_LOCKS Z_SC_VAL_IFDEF(CONFIG_PTHREAD_SPINLOCK, _POSIX_VERSION) |
| #define _POSIX_SPORADIC_SERVER (-1L) |
| #define _POSIX_SYNCHRONIZED_IO (-1L) |
| #define _POSIX_THREAD_ATTR_STACKADDR Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_THREAD_ATTR_STACKSIZE Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_THREAD_CPUTIME (-1L) |
| #define _POSIX_THREAD_PRIO_INHERIT _POSIX_VERSION |
| #define _POSIX_THREAD_PRIO_PROTECT (-1L) |
| #define _POSIX_THREAD_PRIORITY_SCHEDULING Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_THREAD_PROCESS_SHARED (-1L) |
| #define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1L) |
| #define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1L) |
| #define _POSIX_THREAD_SAFE_FUNCTIONS Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #define _POSIX_THREAD_SPORADIC_SERVER (-1L) |
| |
| #ifndef _POSIX_THREADS |
| #define _POSIX_THREADS Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION) |
| #endif |
| |
| #define _POSIX_TIMEOUTS Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION) |
| #define _POSIX_TIMERS Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION) |
| #define _POSIX_TRACE (-1L) |
| #define _POSIX_TRACE_EVENT_FILTER (-1L) |
| #define _POSIX_TRACE_INHERIT (-1L) |
| #define _POSIX_TRACE_LOG (-1L) |
| #define _POSIX_TYPED_MEMORY_OBJECTS (-1L) |
| #define _POSIX_V6_ILP32_OFF32 (-1L) |
| #define _POSIX_V6_ILP32_OFFBIG (-1L) |
| #define _POSIX_V6_LP64_OFF64 (-1L) |
| #define _POSIX_V6_LPBIG_OFFBIG (-1L) |
| #define _POSIX_V7_ILP32_OFF32 (-1L) |
| #define _POSIX_V7_ILP32_OFFBIG (-1L) |
| #define _POSIX_V7_LP64_OFF64 (-1L) |
| #define _POSIX_V7_LPBIG_OFFBIG (-1L) |
| #define _POSIX2_C_BIND _POSIX_VERSION |
| #define _POSIX2_C_DEV (-1L) |
| #define _POSIX2_CHAR_TERM (-1L) |
| #define _POSIX2_DELAYTIMER_MAX (-1L) |
| #define _POSIX2_FORT_DEV (-1L) |
| #define _POSIX2_FORT_RUN (-1L) |
| #define _POSIX2_LOCALEDEF (-1L) |
| #define _POSIX2_PBS (-1L) |
| #define _POSIX2_PBS_ACCOUNTING (-1L) |
| #define _POSIX2_PBS_CHECKPOINT (-1L) |
| #define _POSIX2_PBS_LOCATE (-1L) |
| #define _POSIX2_PBS_MESSAGE (-1L) |
| #define _POSIX2_PBS_TRACK (-1L) |
| #define _POSIX2_SW_DEV (-1L) |
| #define _POSIX2_UPE (-1L) |
| #define _XOPEN_CRYPT (-1L) |
| #define _XOPEN_ENH_I18N (-1L) |
| #define _XOPEN_REALTIME (-1L) |
| #define _XOPEN_REALTIME_THREADS (-1L) |
| #define _XOPEN_SHM (-1L) |
| #define _XOPEN_STREAMS (-1L) |
| #define _XOPEN_UNIX (-1L) |
| #define _XOPEN_UUCP (-1L) |
| |
| /* Maximum values */ |
| #define _POSIX_CLOCKRES_MIN (20000000L) |
| |
| /* Minimum values */ |
| #define _POSIX_AIO_LISTIO_MAX (2) |
| #define _POSIX_AIO_MAX (1) |
| #define _POSIX_ARG_MAX (4096) |
| #define _POSIX_CHILD_MAX (25) |
| #define _POSIX_DELAYTIMER_MAX (32) |
| #define _POSIX_HOST_NAME_MAX (255) |
| #define _POSIX_LINK_MAX (8) |
| #define _POSIX_LOGIN_NAME_MAX (9) |
| #define _POSIX_MAX_CANON (255) |
| #define _POSIX_MAX_INPUT (255) |
| #define _POSIX_MQ_OPEN_MAX Z_SC_VAL_IFDEF(CONFIG_POSIX_MQUEUE, \ |
| CONFIG_MSG_COUNT_MAX) |
| #define _POSIX_MQ_PRIO_MAX (32) |
| #define _POSIX_NAME_MAX (14) |
| #define _POSIX_NGROUPS_MAX (8) |
| #define _POSIX_OPEN_MAX CONFIG_POSIX_MAX_FDS |
| #define _POSIX_PATH_MAX (256) |
| #define _POSIX_PIPE_BUF (512) |
| #define _POSIX_RE_DUP_MAX (255) |
| #define _POSIX_RTSIG_MAX CONFIG_POSIX_RTSIG_MAX |
| #define _POSIX_SEM_NSEMS_MAX CONFIG_SEM_NAMELEN_MAX |
| #define _POSIX_SEM_VALUE_MAX CONFIG_SEM_VALUE_MAX |
| #define _POSIX_SIGQUEUE_MAX (32) |
| #define _POSIX_SSIZE_MAX (32767) |
| #define _POSIX_SS_REPL_MAX (4) |
| #define _POSIX_STREAM_MAX (8) |
| #define _POSIX_SYMLINK_MAX (255) |
| #define _POSIX_SYMLOOP_MAX (8) |
| #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS (4) |
| #define _POSIX_THREAD_KEYS_MAX (128) |
| #define _POSIX_THREAD_THREADS_MAX (64) |
| #define _POSIX_TIMER_MAX (32) |
| #define _POSIX_TRACE_EVENT_NAME_MAX (30) |
| #define _POSIX_TRACE_NAME_MAX (8) |
| #define _POSIX_TRACE_SYS_MAX (8) |
| #define _POSIX_TRACE_USER_EVENT_MAX (32) |
| #define _POSIX_TTY_NAME_MAX (9) |
| #define _POSIX_TZNAME_MAX (6) |
| #define _POSIX2_BC_BASE_MAX (99) |
| #define _POSIX2_BC_DIM_MAX (2048) |
| #define _POSIX2_BC_SCALE_MAX (99) |
| #define _POSIX2_BC_STRING_MAX (1000) |
| #define _POSIX2_CHARCLASS_NAME_MAX (14) |
| #define _POSIX2_COLL_WEIGHTS_MAX (2) |
| #define _POSIX2_EXPR_NEST_MAX (32) |
| #define _POSIX2_LINE_MAX (2048) |
| #define _XOPEN_IOV_MAX (16) |
| #define _XOPEN_NAME_MAX (255) |
| #define _XOPEN_PATH_MAX (1024) |
| |
| /* Other invariant values */ |
| #define NL_LANGMAX (14) |
| #define NL_MSGMAX (32767) |
| #define NL_SETMAX (255) |
| #define NL_TEXTMAX (_POSIX2_LINE_MAX) |
| #define NZERO (20) |
| |
| /* Runtime invariant values */ |
| #define AIO_LISTIO_MAX _POSIX_AIO_LISTIO_MAX |
| #define AIO_MAX _POSIX_AIO_MAX |
| #define AIO_PRIO_DELTA_MAX (0) |
| #define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX |
| #define HOST_NAME_MAX COND_CODE_1(CONFIG_NETWORKING, \ |
| (NET_HOSTNAME_MAX_LEN), \ |
| (_POSIX_HOST_NAME_MAX)) |
| #define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX |
| #define MQ_OPEN_MAX _POSIX_MQ_OPEN_MAX |
| #define MQ_PRIO_MAX _POSIX_MQ_PRIO_MAX |
| |
| #ifndef ATEXIT_MAX |
| #define ATEXIT_MAX 8 |
| #endif |
| |
| #ifndef PAGE_SIZE |
| #define PAGE_SIZE BIT(CONFIG_POSIX_PAGE_SIZE_BITS) |
| #endif |
| |
| #ifndef PAGESIZE |
| #define PAGESIZE PAGE_SIZE |
| #endif |
| |
| #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS |
| #define PTHREAD_KEYS_MAX COND_CODE_1(CONFIG_PTHREAD_IPC, \ |
| (CONFIG_MAX_PTHREAD_KEY_COUNT), \ |
| (_POSIX_THREAD_KEYS_MAX)) |
| #define PTHREAD_THREADS_MAX COND_CODE_1(CONFIG_PTHREAD_IPC, \ |
| (CONFIG_MAX_PTHREAD_COUNT), \ |
| (0)) |
| #define SEM_NSEMS_MAX _POSIX_SEM_NSEMS_MAX |
| #define SEM_VALUE_MAX CONFIG_SEM_VALUE_MAX |
| #define SIGQUEUE_MAX _POSIX_SIGQUEUE_MAX |
| #define STREAM_MAX _POSIX_STREAM_MAX |
| #define SYMLOOP_MAX _POSIX_SYMLOOP_MAX |
| #define TIMER_MAX Z_SC_VAL_IFDEF(CONFIG_TIMER, CONFIG_MAX_TIMER_COUNT) |
| #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX |
| #define TZNAME_MAX _POSIX_TZNAME_MAX |
| |
| /* Pathname variable values */ |
| #define FILESIZEBITS (32) |
| #define POSIX_ALLOC_SIZE_MIN (256) |
| #define POSIX_REC_INCR_XFER_SIZE (1024) |
| #define POSIX_REC_MAX_XFER_SIZE (32767) |
| #define POSIX_REC_MIN_XFER_SIZE (1) |
| #define POSIX_REC_XFER_ALIGN (4) |
| #define SYMLINK_MAX _POSIX_SYMLINK_MAX |
| |
| #ifdef CONFIG_POSIX_API |
| /* File related operations */ |
| int close(int file); |
| ssize_t write(int file, const void *buffer, size_t count); |
| ssize_t read(int file, void *buffer, size_t count); |
| off_t lseek(int file, off_t offset, int whence); |
| |
| /* File System related operations */ |
| int rename(const char *old, const char *newp); |
| int unlink(const char *path); |
| int stat(const char *path, struct stat *buf); |
| int mkdir(const char *path, mode_t mode); |
| |
| FUNC_NORETURN void _exit(int status); |
| |
| #ifdef CONFIG_NETWORKING |
| static inline int gethostname(char *buf, size_t len) |
| { |
| return zsock_gethostname(buf, len); |
| } |
| #endif /* CONFIG_NETWORKING */ |
| |
| #endif /* CONFIG_POSIX_API */ |
| |
| #ifdef CONFIG_GETOPT |
| int getopt(int argc, char *const argv[], const char *optstring); |
| extern char *optarg; |
| extern int opterr, optind, optopt; |
| #endif |
| |
| pid_t getpid(void); |
| unsigned sleep(unsigned int seconds); |
| int usleep(useconds_t useconds); |
| #ifdef CONFIG_POSIX_SYSCONF_IMPL_FULL |
| long sysconf(int opt); |
| #endif |
| #if _POSIX_C_SOURCE >= 2 |
| size_t confstr(int name, char *buf, size_t len); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* ZEPHYR_INCLUDE_POSIX_UNISTD_H_ */ |
