/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ /* * unistd function definitions for NOLIBC * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu> */ #ifndef _NOLIBC_UNISTD_H #define _NOLIBC_UNISTD_H #include "std.h" #include "arch.h" #include "types.h" #include "sys.h" static __attribute__((unused)) int msleep(unsigned int msecs) { struct timeval my_timeval = { msecs / 1000, (msecs % 1000) * 1000 }; if (sys_select(0, 0, 0, 0, &my_timeval) < 0) return (my_timeval.tv_sec * 1000) + (my_timeval.tv_usec / 1000) + !!(my_timeval.tv_usec % 1000); else return 0; } static __attribute__((unused)) unsigned int sleep(unsigned int seconds) { struct timeval my_timeval = { seconds, 0 }; if (sys_select(0, 0, 0, 0, &my_timeval) < 0) return my_timeval.tv_sec + !!my_timeval.tv_usec; else return 0; } static __attribute__((unused)) int usleep(unsigned int usecs) { struct timeval my_timeval = { usecs / 1000000, usecs % 1000000 }; return sys_select(0, 0, 0, 0, &my_timeval); } static __attribute__((unused)) int tcsetpgrp(int fd, pid_t pid) { return ioctl(fd, TIOCSPGRP, &pid); } /* make sure to include all global symbols */ #include "nolibc.h" #endif /* _NOLIBC_UNISTD_H */