[Minios-devel] [UNIKRAFT PATCH v3 3/4] lib/vfscore: sys_ioctl() - Handle FIOCLEX and FIONCLEX requests

[Costin Lupu <costin.lupu@xxxxxxxxx>]

Signed-off-by: Costin Lupu <costin.lupu@xxxxxxxxx>
---
 lib/vfscore/syscalls.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/vfscore/syscalls.c b/lib/vfscore/syscalls.c
index 54adc2d2..d375774a 100644
--- a/lib/vfscore/syscalls.c
+++ b/lib/vfscore/syscalls.c
@@ -44,6 +44,7 @@
 #include <stdio.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <sys/ioctl.h>
 
 #include <dirent.h>
 #include <vfscore/prex.h>
@@ -381,14 +382,24 @@ sys_lseek(struct vfscore_file *fp, off_t off, int type, 
off_t *origin)
 int
 sys_ioctl(struct vfscore_file *fp, unsigned long request, void *buf)
 {
-       int error;
+       int error = 0;
 
        DPRINTF(VFSDB_SYSCALL, ("sys_ioctl: fp=%p request=%lux\n", fp, 
request));
 
        if ((fp->f_flags & (UK_FREAD | UK_FWRITE)) == 0)
                return EBADF;
 
-       error = vfs_ioctl(fp, request, buf);
+       switch (request) {
+       case FIOCLEX:
+               fp->f_flags |= O_CLOEXEC;
+               break;
+       case FIONCLEX:
+               fp->f_flags &= ~O_CLOEXEC;
+               break;
+       default:
+               error = vfs_ioctl(fp, request, buf);
+               break;
+       }
 
        DPRINTF(VFSDB_SYSCALL, ("sys_ioctl: comp error=%d\n", error));
        return error;
-- 
2.20.1


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