freebsd-ports/devel/gamin/files/patch-libgamin_gam_api.c
Joe Marcus Clarke 69a8d6f0dc * Update to 0.1.7, and add support for file system type detection (currently,
only UFS file systems are handled by kqueue, but this might change in the
  future if kqueue on NFS proves stable) [1]

* Switch py-gamin to use USE_FAM+WANT_FAM_SYSTEM

* Switch test target to regression-test so that pointyhat will run tests
  automatically

Submitted by:	ale [1]
2006-02-09 06:40:18 +00:00

119 lines
3.5 KiB
C

--- libgamin/gam_api.c.orig Tue Feb 7 17:49:07 2006
+++ libgamin/gam_api.c Tue Feb 7 17:49:13 2006
@@ -14,6 +14,7 @@
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/uio.h>
+#include <string.h>
#include "fam.h"
#include "gam_protocol.h"
#include "gam_data.h"
@@ -421,10 +422,10 @@
{
char data[2] = { 0, 0 };
int written;
-#if defined(HAVE_CMSGCRED) && !defined(LOCAL_CREDS)
- struct {
+#if defined(HAVE_CMSGCRED) && (!defined(LOCAL_CREDS) || defined(__FreeBSD__))
+ union {
struct cmsghdr hdr;
- struct cmsgcred cred;
+ char cred[CMSG_SPACE (sizeof (struct cmsgcred))];
} cmsg;
struct iovec iov;
struct msghdr msg;
@@ -436,16 +437,16 @@
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
- msg.msg_control = &cmsg;
- msg.msg_controllen = sizeof (cmsg);
+ msg.msg_control = (caddr_t) &cmsg;
+ msg.msg_controllen = CMSG_SPACE (sizeof (struct cmsgcred));
memset (&cmsg, 0, sizeof (cmsg));
- cmsg.hdr.cmsg_len = sizeof (cmsg);
+ cmsg.hdr.cmsg_len = CMSG_LEN (sizeof (struct cmsgcred));
cmsg.hdr.cmsg_level = SOL_SOCKET;
cmsg.hdr.cmsg_type = SCM_CREDS;
#endif
retry:
-#if defined(HAVE_CMSGCRED) && !defined(LOCAL_CREDS)
+#if defined(HAVE_CMSGCRED) && (!defined(LOCAL_CREDS) || defined(__FreeBSD__))
written = sendmsg(fd, &msg, 0);
#else
written = write(fd, &data[0], 1);
@@ -647,15 +648,16 @@
gid_t c_gid;
#ifdef HAVE_CMSGCRED
- struct {
+ struct cmsgcred *cred;
+ union {
struct cmsghdr hdr;
- struct cmsgcred cred;
+ char cred[CMSG_SPACE (sizeof (struct cmsgcred))];
} cmsg;
#endif
s_uid = getuid();
-#if defined(LOCAL_CREDS) && defined(HAVE_CMSGCRED)
+#if defined(LOCAL_CREDS) && defined(HAVE_CMSGCRED) && !defined(__FreeBSD__)
/* Set the socket to receive credentials on the next message */
{
int on = 1;
@@ -676,8 +678,8 @@
#ifdef HAVE_CMSGCRED
memset(&cmsg, 0, sizeof(cmsg));
- msg.msg_control = &cmsg;
- msg.msg_controllen = sizeof(cmsg);
+ msg.msg_control = (caddr_t) &cmsg;
+ msg.msg_controllen = CMSG_SPACE (sizeof (struct cmsgcred));
#endif
retry:
@@ -694,7 +696,7 @@
goto failed;
}
#ifdef HAVE_CMSGCRED
- if (cmsg.hdr.cmsg_len < sizeof(cmsg) || cmsg.hdr.cmsg_type != SCM_CREDS) {
+ if (cmsg.hdr.cmsg_len < CMSG_LEN (sizeof (struct cmsgcred)) || cmsg.hdr.cmsg_type != SCM_CREDS) {
GAM_DEBUG(DEBUG_INFO,
"Message from recvmsg() was not SCM_CREDS\n");
goto failed;
@@ -720,9 +722,10 @@
goto failed;
}
#elif defined(HAVE_CMSGCRED)
- c_pid = cmsg.cred.cmcred_pid;
- c_uid = cmsg.cred.cmcred_euid;
- c_gid = cmsg.cred.cmcred_groups[0];
+ cred = (struct cmsgcred *) CMSG_DATA (&cmsg);
+ c_pid = cred->cmcred_pid;
+ c_uid = cred->cmcred_euid;
+ c_gid = cred->cmcred_groups[0];
#else /* !SO_PEERCRED && !HAVE_CMSGCRED */
GAM_DEBUG(DEBUG_INFO,
"Socket credentials not supported on this OS\n");
@@ -1283,14 +1286,17 @@
// FIXME: drop and reacquire lock while blocked?
gamin_data_lock(conn);
- if (!gamin_data_event_ready(conn)) {
+ while ((ret = gamin_data_event_ready(conn)) == 0) {
if (gamin_read_data(conn, fc->fd, 1) < 0) {
gamin_try_reconnect(conn, fc->fd);
FAMErrno = FAM_CONNECT;
return (-1);
}
}
- ret = gamin_data_read_event(conn, fe);
+
+ if (ret > 0)
+ ret = gamin_data_read_event(conn, fe);
+
gamin_data_unlock(conn);
if (ret < 0) {