diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sandbox/cpu/os.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index 36637af..3e37c93 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -44,6 +44,14 @@ ssize_t os_read(int fd, void *buf, size_t count) return read(fd, buf, count); } +ssize_t os_read_no_block(int fd, void *buf, size_t count) +{ + const int flags = fcntl(fd, F_GETFL, 0); + + fcntl(fd, F_SETFL, flags | O_NONBLOCK); + return os_read(fd, buf, count); +} + ssize_t os_write(int fd, const void *buf, size_t count) { return write(fd, buf, count); |