LibC: Implement wait()

This is a simple convenience wrapper over waitpid().

2 files changed, 6 insertions, 0 deletions

diff --git a/Libraries/LibC/unistd.cpp b/Libraries/LibC/unistd.cpp
index 8cb27006c8..1991dbf45d 100644
--- a/Libraries/LibC/unistd.cpp
+++ b/Libraries/LibC/unistd.cpp
@@ -236,6 +236,11 @@ pid_t waitpid(pid_t waitee, int* wstatus, int options)
     __RETURN_WITH_ERRNO(rc, rc, -1);
 }
 
+pid_t wait(int* wstatus)
+{
+    return waitpid(-1, wstatus, 0);
+}
+
 int lstat(const char* path, struct stat* statbuf)
 {
     int rc = syscall(SC_lstat, path, statbuf);
diff --git a/Libraries/LibC/unistd.h b/Libraries/LibC/unistd.h
index c522bba6bc..30fac6c00c 100644
--- a/Libraries/LibC/unistd.h
+++ b/Libraries/LibC/unistd.h
@@ -66,6 +66,7 @@ ssize_t read(int fd, void* buf, size_t count);
 ssize_t write(int fd, const void* buf, size_t count);
 int close(int fd);
 pid_t waitpid(pid_t, int* wstatus, int options);
+pid_t wait(int* wstatus);
 int chdir(const char* path);
 char* getcwd(char* buffer, size_t size);
 char* getwd(char* buffer);