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add RTM_EXPORT label for unistd.c

This commit is contained in:
Meco Man 2021-02-12 02:21:30 +08:00
parent e3a32e807c
commit fa8e8ed31f
1 changed files with 4 additions and 0 deletions
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4
components/libc/compilers/common/unistd.c
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@ -21,12 +21,14 @@ int isatty(int fd)
struct termios ts;
return(tcgetattr(fd,&ts) != -1);/*true if no error (is a tty)*/
}
RTM_EXPORT(isatty);
#endif
char *ttyname(int fd)
{
return "/dev/tty0"; /*TODO: need to add more specific*/
}
RTM_EXPORT(ttyname);
unsigned int sleep(unsigned int seconds)
{
@ -38,6 +40,7 @@ unsigned int sleep(unsigned int seconds)
return seconds - delta_tick/RT_TICK_PER_SECOND;
}
RTM_EXPORT(sleep);
int usleep(useconds_t usec)
{
@ -45,3 +48,4 @@ int usleep(useconds_t usec)
rt_hw_us_delay(usec % 1000u);
return 0;
}
RTM_EXPORT(usleep);