#include "ipsets.h"
-static int lock_fd = -1;
+static int fw3_lock_fd = -1;
static pid_t pipe_pid = -1;
static FILE *pipe_fd = NULL;
bool
-fw3_lock(void)
+fw3_lock_path(int *fd, const char *path)
{
- lock_fd = open(FW3_LOCKFILE, O_CREAT|O_WRONLY, S_IRUSR|S_IWUSR);
+ int lock_fd = open(path, O_CREAT|O_WRONLY, S_IRUSR|S_IWUSR);
if (lock_fd < 0)
{
- warn("Cannot create lock file %s: %s", FW3_LOCKFILE, strerror(errno));
+ warn("Cannot create lock file %s: %s", path, strerror(errno));
return false;
}
return false;
}
+ *fd = lock_fd;
+
return true;
}
+bool
+fw3_lock()
+{
+ return fw3_lock_path(&fw3_lock_fd, FW3_LOCKFILE);
+}
+
+
void
-fw3_unlock(void)
+fw3_unlock_path(int *fd, const char *lockpath)
{
- if (lock_fd < 0)
+ if (*fd < 0)
return;
- if (flock(lock_fd, LOCK_UN))
+ if (flock(*fd, LOCK_UN))
warn("Cannot release exclusive lock: %s", strerror(errno));
- close(lock_fd);
+ close(*fd);
unlink(FW3_LOCKFILE);
- lock_fd = -1;
+ *fd = -1;
+}
+
+
+void
+fw3_unlock(void)
+{
+ fw3_unlock_path(&fw3_lock_fd, FW3_LOCKFILE);
}
bool fw3_lock(void);
void fw3_unlock(void);
+bool fw3_lock_path(int *fw3_lock_fd, const char *path);
+void fw3_unlock_path(int *fw3_lock_fd, const char *path);
void fw3_write_statefile(void *state);