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authorLaurent Bercot <ska-skaware@skarnet.org>2014-12-21 00:26:40 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-12-21 00:26:40 +0000
commit23bdcb4ad4ef19d99b729e5282fd15df6300a3b5 (patch)
treebc1976b67844d3070b0cd2bbecf5103ece86024d /src/libunixonacid
parent828159d33b8ced9e016470c61ffd66bbef048e06 (diff)
downloadskalibs-23bdcb4ad4ef19d99b729e5282fd15df6300a3b5.tar.xz
So the non-portable MSG_DONTWAIT may alleviate the problem... might
as well use it on architectures that support it.
Diffstat (limited to 'src/libunixonacid')
-rw-r--r--src/libunixonacid/unixmessage_receive.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/src/libunixonacid/unixmessage_receive.c b/src/libunixonacid/unixmessage_receive.c
index 502b523..5c80082 100644
--- a/src/libunixonacid/unixmessage_receive.c
+++ b/src/libunixonacid/unixmessage_receive.c
@@ -14,19 +14,18 @@
#include <skalibs/siovec.h>
#include <skalibs/unixmessage.h>
-#ifdef SKALIBS_HASOKWAITALL
-# ifdef SKALIBS_HASCMSGCLOEXEC
-# define RECV(fd, hdr) recvmsg(fd, (hdr), MSG_WAITALL | MSG_CMSG_CLOEXEC)
-# else
-# define RECV(fd, hdr) recvmsg(fd, (hdr), MSG_WAITALL)
-# endif
+static int const awesomeflags =
+#ifdef SKALIBS_HASMSGDONTWAIT
+ MSG_WAITALL | MSG_DONTWAIT
+#elif defined (SKALIBS_HASNBWAITALL)
+ MSG_WAITALL
#else
-# ifdef SKALIBS_HASCMSGCLOEXEC
-# define RECV(fd, hdr) recvmsg(fd, (hdr), MSG_CMSG_CLOEXEC)
-# else
-# define RECV(fd, hdr) recvmsg(fd, (hdr), 0)
-# endif
+ 0
#endif
+#ifdef SKALIBS_HASCMSGCLOEXEC
+ | MSG_CMSG_CLOEXEC
+#endif
+ ;
static int unixmessage_receiver_fill (unixmessage_receiver_t *b)
{
@@ -51,7 +50,7 @@ static int unixmessage_receiver_fill (unixmessage_receiver_t *b)
cbuffer_wpeek(&b->mainb, v) ;
iovec_from_siovec(iov, v, 2) ;
}
- r = RECV(b->fd, &msghdr) ;
+ r = recvmsg(b->fd, &msghdr, awesomeflags) ;
if (r <= 0) return r ;
{
struct cmsghdr *c = CMSG_FIRSTHDR(&msghdr) ;