diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | tabbed.c | 21 |
2 files changed, 10 insertions, 13 deletions
@@ -11,7 +11,7 @@ DOCPREFIX = ${PREFIX}/share/doc/${NAME} # use system flags. TABBED_CFLAGS = -I/usr/X11R6/include -I/usr/include/freetype2 ${CFLAGS} TABBED_LDFLAGS = -L/usr/X11R6/lib -lX11 -lfontconfig -lXft ${LDFLAGS} -TABBED_CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE +TABBED_CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=700L # OpenBSD (uncomment) #TABBED_CFLAGS = -I/usr/X11R6/include -I/usr/X11R6/include/freetype2 ${CFLAGS} @@ -125,7 +125,6 @@ static void run(void); static void sendxembed(int c, long msg, long detail, long d1, long d2); static void setcmd(int argc, char *argv[], int); static void setup(void); -static void sigchld(int unused); static void spawn(const Arg *arg); static int textnw(const char *text, unsigned int len); static void toggle(const Arg *arg); @@ -976,9 +975,16 @@ setup(void) XWMHints *wmh; XClassHint class_hint; XSizeHints *size_hint; + struct sigaction sa; - /* clean up any zombies immediately */ - sigchld(0); + /* do not transform children into zombies when they terminate */ + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART; + sa.sa_handler = SIG_IGN; + sigaction(SIGCHLD, &sa, NULL); + + /* clean up any zombies that might have been inherited */ + while (waitpid(-1, NULL, WNOHANG) > 0); /* init screen */ screen = DefaultScreen(dpy); @@ -1079,15 +1085,6 @@ setup(void) } void -sigchld(int unused) -{ - if (signal(SIGCHLD, sigchld) == SIG_ERR) - die("%s: cannot install SIGCHLD handler", argv0); - - while (0 < waitpid(-1, NULL, WNOHANG)); -} - -void spawn(const Arg *arg) { if (fork() == 0) { |