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@ -178,6 +178,7 @@ static void setlayout(const Arg *arg);
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static void setmfact(const Arg *arg);
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static void setup(void);
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static void showhide(Client *c);
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static void sigchld(int signal);
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static void spawn(const Arg *arg);
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static void tag(const Arg *arg);
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static int textnw(const char *text, unsigned int len);
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@ -1340,22 +1341,24 @@ showhide(Client *c) {
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}
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}
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void
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sigchld(int signal) {
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while(0 < waitpid(-1, NULL, WNOHANG));
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}
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void
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spawn(const Arg *arg) {
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/* The double-fork construct avoids zombie processes and keeps the code
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* clean from stupid signal handlers. */
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signal(SIGCHLD, sigchld);
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if(fork() == 0) {
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if(fork() == 0) {
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if(dpy)
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close(ConnectionNumber(dpy));
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setsid();
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execvp(((char **)arg->v)[0], (char **)arg->v);
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fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
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perror(" failed");
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}
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if(dpy)
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close(ConnectionNumber(dpy));
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setsid();
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execvp(((char **)arg->v)[0], (char **)arg->v);
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fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
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perror(" failed");
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exit(0);
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}
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wait(0);
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}
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void
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