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Added debug trace to socket read.

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This commit is contained in:
vraatikka
2013-08-15 11:13:34 +03:00
parent bed0206895
commit 90e6e11923
1 changed files with 16 additions and 0 deletions
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16
server/core/poll.c
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@ -20,10 +20,13 @@
#include <unistd.h> #include <unistd.h>
#include <stdlib.h> #include <stdlib.h>
#include <sys/epoll.h> #include <sys/epoll.h>
#include <errno.h>
#include <poll.h> #include <poll.h>
#include <dcb.h> #include <dcb.h>
#include <atomic.h> #include <atomic.h>
#include <gwbitmask.h> #include <gwbitmask.h>
#include <skygw_utils.h>
#include <log_manager.h>
/** /**
* @file poll.c - Abstraction of the epoll functionality * @file poll.c - Abstraction of the epoll functionality
@ -152,12 +155,25 @@ int thread_id = (int)arg;
#else #else
if ((nfds = epoll_wait(epoll_fd, events, MAX_EVENTS, 0)) == -1) if ((nfds = epoll_wait(epoll_fd, events, MAX_EVENTS, 0)) == -1)
{ {
int eno = errno;
errno = 0;
skygw_log_write(LOGFILE_TRACE,
"epoll_wait returned %d, errno %d",
nfds,
eno);
} }
else if (nfds == 0) else if (nfds == 0)
{ {
int eno = 0;
if ((nfds = epoll_wait(epoll_fd, events, MAX_EVENTS, EPOLL_TIMEOUT)) == -1) if ((nfds = epoll_wait(epoll_fd, events, MAX_EVENTS, EPOLL_TIMEOUT)) == -1)
{ {
} }
eno = errno;
errno = 0;
skygw_log_write(LOGFILE_TRACE,
"After timeout, epoll_wait returned %d, errno %d",
nfds,
eno);
} }
#endif #endif
if (nfds > 0) if (nfds > 0)