diff options
| author | ajs <ajs> | 2005-02-17 20:02:49 +0000 |
|---|---|---|
| committer | ajs <ajs> | 2005-02-17 20:02:49 +0000 |
| commit | d7e2a8188f6e9eaccb5e1c1bd7b9d5af79429c0c (patch) | |
| tree | 6abb03907d0eeaa5f343e3927ef6d9e619e6f079 | |
| parent | 038163fa87d5b41503c721bb097faea6b25661c9 (diff) | |
2005-02-17 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* network.h: Define a new ERRNO_IO_RETRY macro to test whether an I/O
operation should be retried. This eliminates the need to duplicate
the same logic testing for EAGAIN or EINTR in multiple places.
| -rw-r--r-- | lib/ChangeLog | 6 | ||||
| -rw-r--r-- | lib/network.h | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog index ac05baba..40e73ff7 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,9 @@ +2005-02-17 Andrew J. Schorr <ajschorr@alumni.princeton.edu> + + * network.h: Define a new ERRNO_IO_RETRY macro to test whether an I/O + operation should be retried. This eliminates the need to duplicate + the same logic testing for EAGAIN or EINTR in multiple places. + 2005-02-16 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * stream.h: Declare new function stream_read_try suitable for use diff --git a/lib/network.h b/lib/network.h index 589b80e9..9333ef81 100644 --- a/lib/network.h +++ b/lib/network.h @@ -33,4 +33,8 @@ int writen (int, const u_char *, int); -1 on error. */ extern int set_nonblocking(int fd); +/* Does the I/O error indicate that the operation should be retried later? */ +#define ERRNO_IO_RETRY(EN) \ + (((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR)) + #endif /* _ZEBRA_NETWORK_H */ |