pipe is crucial for shell.
Signed-off-by: Yuan Tan tanyuan@tinylab.org --- tools/include/nolibc/sys.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h index 8bfe7db20b80..09841fc266fe 100644 --- a/tools/include/nolibc/sys.h +++ b/tools/include/nolibc/sys.h @@ -752,6 +752,23 @@ int open(const char *path, int flags, ...) }
+/* + * int pipe(int pipefd[2]); + */ + +static __attribute__((unused)) +int sys_pipe(int pipefd[2]) +{ + return my_syscall1(__NR_pipe, pipefd); +} + +static __attribute__((unused)) +int pipe(int pipefd[2]) +{ + return __sysret(sys_pipe(pipefd)); +} + + /* * int prctl(int option, unsigned long arg2, unsigned long arg3, * unsigned long arg4, unsigned long arg5);