add API to block/reset signals

git-svn-id: file:///home/lennart/svn/public/libdaemon/trunk@139 153bfa13-eec0-0310-be40-b0cb6a0e1b4b

1 files changed, 30 insertions, 4 deletions

diff --git a/libdaemon/dfork.h b/libdaemon/dfork.h
index fcb32c3..7d9b62a 100644
--- a/libdaemon/dfork.h
+++ b/libdaemon/dfork.h
@@ -27,11 +27,11 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-    
+
 /** \mainpage libdaemon
  *
  * libdaemon
- * 
+ *
  * For a brief explanation of libdaemons's purpose, have a look on the
  * README file. Thank you!
  *
@@ -43,7 +43,7 @@ extern "C" {
 
 /** \file
  *
- * Contains an API for doing a daemonizing fork(). 
+ * Contains an API for doing a daemonizing fork().
  *
  * You may daemonize by calling daemon_fork(), a function similar to
  * the plain fork(). If you want to return a return value of the
@@ -100,13 +100,39 @@ int daemon_retval_wait(int timeout);
  */
 int daemon_retval_send(int s);
 
+/** This variable is defined to 1 iff daemon_close_all() and daemon_close_allv() are supported.*/
+#define DAEMON_CLOSE_ALL_AVAILABLE 1
+
 /** Close all file descriptors except those passed. List needs to be
  * terminated by -1. FDs 0, 1, 2 will be kept open anyway. */
 int daemon_close_all(int except_fd, ...);
 
-/** Same as daemon_close_all but takes an array of fds, terminated by -1 */
+/** Same as daemon_close_all but takes an array of fds, terminated by
+ * -1 */
 int daemon_close_allv(const int except_fds[]);
 
+/** This variable is defined to 1 iff daemon_unblock_sigs() and daemon_unblock_sigsv() are supported.*/
+#define DAEMON_UNBLOCK_SIGS_AVAILABLE 1
+
+/** Unblock all signals except those passed. List needs to be
+ * terminated by -1. */
+int daemon_unblock_sigs(int except, ...);
+
+/** Same as daemon_unblock_sigs() but takes an array of signals,
+ * terminated by -1 */
+int daemon_unblock_sigsv(const int except[]);
+
+/** This variable is defined to 1 iff daemon_reset_sigs() and daemon_reset_sigsv() are supported.*/
+#define DAEMON_RESET_SIGS_AVAILABLE 1
+
+/** Reset all signal handlers except those passed. List needs to be
+ * terminated by -1. */
+int daemon_reset_sigs(int except, ...);
+
+/** Same as daemon_reset_sigs() but takes an array of signals,
+ * terminated by -1 */
+int daemon_reset_sigsv(const int except[]);
+
 #ifdef __cplusplus
 }
 #endif