simplified action calling using new interface Warning: this version has a

    structure alignment issue in omusrmsg.c, I currently do not know why. I
    check in so that others can look at it.

1 files changed, 11 insertions, 2 deletions

diff --git a/omusrmsg.c b/omusrmsg.c
index 3ac974ac..f03a0806 100644
--- a/omusrmsg.c
+++ b/omusrmsg.c
@@ -120,6 +120,8 @@ static void wallmsg(register selector_t *f)
 		return;
 
 	iovCreate(f);	/* init the iovec */
+printf("gen iIovUsed %d\n", f->f_iIovUsed);
+printf("iovUsed address: %x, size %d\n",&f->f_iIovUsed, sizeof(selector_t));
 
 	/* open the user login file */
 	setutent();
@@ -179,13 +181,20 @@ static void wallmsg(register selector_t *f)
 				(void) signal(SIGALRM, endtty);
 				(void) alarm(15);
 				/* open the terminal */
+//errno = 0;
 				ttyf = open(p, O_WRONLY|O_NOCTTY);
+printf("try tty '%s' open: %d\n", p, ttyf);
 				if (ttyf >= 0) {
+printf("tty open!\n");
 					struct stat statb;
 
 					if (fstat(ttyf, &statb) == 0 &&
-					    (statb.st_mode & S_IWRITE))
-						(void) writev(ttyf, f->f_iov, f->f_iIovUsed);
+					    (statb.st_mode & S_IWRITE)) {
+int written;
+				//		(void) writev(ttyf, f->f_iov, f->f_iIovUsed);
+						written = writev(ttyf, f->f_iov, f->f_iIovUsed);
+printf("write tty %d bytes, iIovUsed %d\n", written, f->f_iIovUsed);
+					}
 					close(ttyf);
 					ttyf = -1;
 				}