diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index ffb1e7a03..893dab9e2 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -38,6 +38,11 @@ details. */ #include "perprocess.h" #include "security.h" +/* newlib used to define O_NDELAY differently from O_NONBLOCK. Now it + properly defines both to be the same. Unfortunately, we have to + behave properly the old version, too, to accomodate older executables. */ +#define OLD_O_NDELAY 4 + extern BOOL allow_ntsec; /* Close all files and process any queued deletions. @@ -202,10 +207,10 @@ _read (int fd, void *ptr, size_t len) set_sig_errno (0); fhandler_base *fh = fdtab[fd]; - DWORD wait = fh->get_flags () & (O_NONBLOCK | O_NDELAY) ? 0 : INFINITE; + DWORD wait = (fh->get_flags () & (O_NONBLOCK | OLD_O_NDELAY)) ? 0 : INFINITE; /* Could block, so let user know we at least got here. */ - syscall_printf ("read (%d, %p, %d)", fd, ptr, len); + syscall_printf ("read (%d, %p, %d) %sblocking", fd, ptr, len, wait ? "" : "non"); int res; if (wait && (!fh->is_slow () || fh->get_r_no_interrupt ())) @@ -232,7 +237,7 @@ _read (int fd, void *ptr, size_t len) out: - syscall_printf ("%d = read (%d<%s>, %p, %d), errno %d", -1, fd, fh->get_name (), + syscall_printf ("%d = read (%d<%s>, %p, %d), errno %d", res, fd, fh->get_name (), ptr, len, get_errno ()); MALLOC_CHECK; return res; |