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catpoint
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Move to sigaction. Raise SIGWINCH on HUP for ncurses. 

Thanks Bob for the sigaction suggestion!
master
Christoph Lohmann 2020-12-20 17:20:03 +01:00
parent 6649dc02de
commit 0ebd046cc4
2 changed files with 18 additions and 7 deletions
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2
Makefile
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@ -12,7 +12,7 @@ MANPREFIX = ${PREFIX}/share/man
# use system flags.
CATPOINT_CFLAGS = ${CFLAGS}
CATPOINT_CPPFLAGS = ${CPPFLAGS}
CATPOINT_CPPFLAGS = ${CPPFLAGS} -D_DEFAULT_SOURCE
CATPOINT_LDFLAGS = ${LDFLAGS} -lncursesw
# Gentoo
#CATPOINT_LDFLAGS = ${LDFLAGS} -lncursesw -ltinfow

23
catpoint.c
View File

@ -61,18 +61,29 @@ reloadcurrentslide(int sig)
{
loadcurrentslide(slidefiles, currentslide);
if (sig == SIGHUP)
raise(SIGWINCH); /* Redisplay slide. */
if (sig == SIGHUP) {
/* Make ncurses redisplay slide. */
if (raise(SIGWINCH) < 0)
err(1, "raise");
}
}
void
setsignal()
{
signal(SIGHUP, reloadcurrentslide);
struct sigaction sa;
signal(SIGINT, cleanup);
signal(SIGQUIT, cleanup);
signal(SIGTERM, cleanup);
memset(&sa, 0, sizeof(sa));
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = cleanup;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
sa.sa_handler = reloadcurrentslide;
sigaction(SIGHUP, &sa, NULL);
}
int