X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibposix.so_src%2Funistd.c;h=dca29630e7e2f5b5e7a60175e681cd77df76e6df;hb=32b3ca2050ccd25aa69e86ab140d1a80328124ed;hp=a2f4eb7f2ddc07c0bbe8dfd26c76551312859872;hpb=a4c5446b23df108289ea71df2b63a7e26ab19375;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/libposix.so_src/unistd.c b/Usermode/Libraries/libposix.so_src/unistd.c
index a2f4eb7f..dca29630 100644
--- a/Usermode/Libraries/libposix.so_src/unistd.c
+++ b/Usermode/Libraries/libposix.so_src/unistd.c
@@ -50,6 +50,12 @@ int open(const char *path, int openmode, ...)
 	return ret;
 }
 
+int access(const char *path, int openmode)
+{
+	errno = EINVAL;
+	return -1;
+}
+
 int creat(const char *path, mode_t mode)
 {
 	// TODO: Make native call to do this cheaper
@@ -183,6 +189,17 @@ int usleep(useconds_t usec)
 	return 0;
 }
 
+unsigned int alarm(unsigned int seconds)
+{
+	static int64_t	alarm_time;
+	if( seconds > 0 )
+	{
+		alarm_time = _SysTimestamp() + seconds * 1000;
+		// TODO: Schedule SIGALRM
+	}
+	return (alarm_time - _SysTimestamp()) / 1000;
+}
+
 int kill(pid_t pid, int signal)
 {
 	// TODO: Need special handling?
@@ -275,3 +292,21 @@ int ttyname_r(int fd, char *buf, size_t buflen)
 
 	return ENOTIMPL;
 }
+
+int isatty(int fd)
+{
+	if( fd < 0 ) {
+		errno = EBADF;
+		return 0;
+	}
+	
+	 int	type = _SysIOCtl(fd, DRV_IOCTL_TYPE, NULL);
+	if( type == -1 )
+		return 0;
+	if( type != DRV_TYPE_TERMINAL ) {
+		errno = ENOTTY;
+		// NOTE: Pre POSIX 2001, EINVAL was returned
+		return 0;
+	}
+	return 1;
+}