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-rw-r--r--libc-top-half/musl/src/unistd/tcgetpgrp.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/unistd/tcgetpgrp.c b/libc-top-half/musl/src/unistd/tcgetpgrp.c
new file mode 100644
index 0000000..50080c7
--- /dev/null
+++ b/libc-top-half/musl/src/unistd/tcgetpgrp.c
@@ -0,0 +1,11 @@
+#include <unistd.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+pid_t tcgetpgrp(int fd)
+{
+ int pgrp;
+ if (ioctl(fd, TIOCGPGRP, &pgrp) < 0)
+ return -1;
+ return pgrp;
+}