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[libc][unistd] 完善isatty()

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This commit is contained in:
Meco Man
2021-04-26 14:31:31 +08:00
parent f90c522308
commit 19347ed454
2 changed files with 22 additions and 5 deletions
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26
components/libc/compilers/common/unistd.c
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@@ -15,18 +15,29 @@
#ifdef RT_USING_POSIX_TERMIOS
#include "termios.h"
int isatty(int fd)
{
struct termios ts;
return(tcgetattr(fd,&ts) != -1);/*true if no error (is a tty)*/
return(tcgetattr(fd, &ts) != -1); /*true if no error (is a tty)*/
}
#else
int isatty(int fd)
{
if (fd >=0 && fd < 3)
{
return 1;
}
else
{
return 0;
}
}
RTM_EXPORT(isatty);
#endif
RTM_EXPORT(isatty);
char *ttyname(int fd)
{
return "/dev/tty0"; /*TODO: need to add more specific*/
return "/dev/tty"; /*TODO: need to add more specific*/
}
RTM_EXPORT(ttyname);
@@ -50,11 +61,16 @@ int usleep(useconds_t usec)
}
RTM_EXPORT(usleep);
pid_t getpid(void)
pid_t gettid(void)
{
/*TODO*/
return 0;
}
pid_t getpid(void)
{
return gettid();
}
RTM_EXPORT(getpid);
pid_t getppid(void)