[RFC,PATCH] Only disable sigpipe during SSL write

If the connection isn't over SSL, there's no need to do the disable.

This effectively halves the number of syscalls performed by libpq when
SSL is not in use.

Signed-off-by: Jeremy Kerr <jk(at)ozlabs(dot)org>

---
src/interfaces/libpq/fe-secure.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/interfaces/libpq/fe-secure.c b/src/interfaces/libpq/fe-secure.c
index eb579cf..2101315 100644
--- a/src/interfaces/libpq/fe-secure.c
+++ b/src/interfaces/libpq/fe-secure.c
@@ -368,13 +368,13 @@ pqsecure_write(PGconn *conn, const void *ptr, size_t len)
{
ssize_t n;

- DISABLE_SIGPIPE(return -1);
-
#ifdef USE_SSL
if (conn->ssl)
{
int err;

+ DISABLE_SIGPIPE(return -1);
+
n = SSL_write(conn->ssl, ptr, len);
err = SSL_get_error(conn->ssl, n);
switch (err)
@@ -433,15 +433,14 @@ pqsecure_write(PGconn *conn, const void *ptr, size_t len)
n = -1;
break;
}
+ RESTORE_SIGPIPE();
}
else
#endif
{
n = send(conn->sock, ptr, len, 0);
- REMEMBER_EPIPE(n < 0 && SOCK_ERRNO == EPIPE);
}

- RESTORE_SIGPIPE();

return n;
}