Remove use of non-standard sigaction_t

src/exec_monitor.c

@@ -495,7 +495,7 @@ exec_monitor(struct command_details *details, sigset_t *oset,
 {
     struct monitor_closure mc = { 0 };
     struct command_status cstat;
-    sigaction_t sa;
+    struct sigaction sa;
     int errpipe[2];
     debug_decl(exec_monitor, SUDO_DEBUG_EXEC);
 

src/exec_nopty.c

@@ -469,7 +469,7 @@ handle_sigchld_nopty(struct exec_closure_nopty *ec)
 	 * resume, potentially stopping sudo with SIGTTOU while the command
 	 * continues to run.
 	 */
-	sigaction_t sa, osa;
+	struct sigaction sa, osa;
 	pid_t saved_pgrp = -1;
 	int fd, signo = WSTOPSIG(status);
 

src/exec_pty.c

@@ -392,7 +392,7 @@ static int
 suspend_sudo(int signo, pid_t ppgrp)
 {
     char signame[SIG2STR_MAX];
-    sigaction_t sa, osa;
+    struct sigaction sa, osa;
     int ret = 0;
     debug_decl(suspend_sudo, SUDO_DEBUG_EXEC);
 
@@ -1111,7 +1111,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
     struct exec_closure_pty ec = { 0 };
     struct plugin_container *plugin;
     sigset_t set, oset;
-    sigaction_t sa;
+    struct sigaction sa;
     pid_t ppgrp;
     int sv[2];
     debug_decl(exec_pty, SUDO_DEBUG_EXEC)

src/signal.c

@@ -36,7 +36,7 @@
 static struct signal_state {
     int signo;
     int restore;
-    sigaction_t sa;
+    struct sigaction sa;
 } saved_signals[] = {
     { SIGALRM },	/* SAVED_SIGALRM */
     { SIGCHLD },	/* SAVED_SIGCHLD */

src/sudo.c

@@ -318,7 +318,7 @@ main(int argc, char *argv[], char *envp[])
      * signal.  However, we want to avoid having sudo dump core itself.
      */
     if (WIFSIGNALED(status)) {
-	sigaction_t sa;
+	struct sigaction sa;
 
 	if (WCOREDUMP(status))
 	    disable_coredump(false);

src/tcsetpgrp_nobg.c

@@ -50,7 +50,7 @@ sigttou(int signo)
 int
 tcsetpgrp_nobg(int fd, pid_t pgrp_id)
 {
-    sigaction_t sa, osa;
+    struct sigaction sa, osa;
     int rc;
 
     /*

src/tgetpass.c

@@ -84,8 +84,8 @@ char *
 tgetpass(const char *prompt, int timeout, int flags,
     struct sudo_conv_callback *callback)
 {
-    sigaction_t sa, savealrm, saveint, savehup, savequit, saveterm;
-    sigaction_t savetstp, savettin, savettou;
+    struct sigaction sa, savealrm, saveint, savehup, savequit, saveterm;
+    struct sigaction savetstp, savettin, savettou;
     char *pass;
     static const char *askpass;
     static char buf[SUDO_CONV_REPL_MAX + 1];