Merge branch 'master' into merge-jitter

.github/workflows/test.yml

@@ -49,10 +49,10 @@ jobs:
       fail-fast: false
       matrix:
         distro:
-          - 'debian:testing'
+          - 'debian:stable'
           #...
         include:
-          - distro: 'debian:testing'
+          - distro: 'debian:stable'
             prepare: .github/prepare_debian.sh
           #...
     steps:

configure.ac

@@ -621,7 +621,6 @@ AC_C_CONST
 AC_STRUCT_TM
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
-AC_TYPE_SIGNAL
 
 AC_CACHE_CHECK([for va_copy],ac_cv_HAVE_VA_COPY,[
 AC_TRY_LINK([#include <stdarg.h>

lib/utils_cmd.h

@@ -33,7 +33,7 @@ void cmd_init (void);
 #define CMD_NO_ASSOC 0x02    /* output.line won't point to buf */
 
 
-RETSIGTYPE timeout_alarm_handler (int);
+void timeout_alarm_handler (int);
 
 
 #endif /* _UTILS_CMD_ */

plugins/netutils.h

@@ -92,7 +92,7 @@ extern int econn_refuse_state;
 extern int was_refused;
 extern int address_family;
 
-RETSIGTYPE socket_timeout_alarm_handler (int) __attribute__((noreturn));
+void socket_timeout_alarm_handler (int) __attribute__((noreturn));
 
 /* SSL-Related functionality */
 #ifdef HAVE_SSL

plugins/popen.c

@@ -50,9 +50,9 @@ extern FILE *child_process;
 FILE *spopen (const char *);
 int spclose (FILE *);
 #ifdef REDHAT_SPOPEN_ERROR
-RETSIGTYPE popen_sigchld_handler (int);
+void popen_sigchld_handler (int);
 #endif
-RETSIGTYPE popen_timeout_alarm_handler (int);
+void popen_timeout_alarm_handler (int);
 
 #include <stdarg.h>							/* ANSI C header file */
 #include <fcntl.h>
@@ -266,7 +266,7 @@ spclose (FILE * fp)
 }
 
 #ifdef REDHAT_SPOPEN_ERROR
-RETSIGTYPE
+void
 popen_sigchld_handler (int signo)
 {
 	if (signo == SIGCHLD)
@@ -274,7 +274,7 @@ popen_sigchld_handler (int signo)
 }
 #endif
 
-RETSIGTYPE
+void
 popen_timeout_alarm_handler (int signo)
 {
 	int fh;

plugins/popen.h

@@ -5,7 +5,7 @@
 
 FILE *spopen (const char *);
 int spclose (FILE *);
-RETSIGTYPE popen_timeout_alarm_handler (int);
+void popen_timeout_alarm_handler (int);
 
 pid_t *childpid=NULL;
 int *child_stderr_array=NULL;