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(-)usr.bin/bc/bc.y (+3 lines)
Lines 1184-1189 main(int argc, char *argv[]) Link Here
1184 
		if (dc == -1)
 1184 
		if (dc == -1)
1185 
			err(1, "cannot fork");
 1185 
			err(1, "cannot fork");
1186 
		else if (dc != 0) {
 1186 
		else if (dc != 0) {
1187 
			sigset_t set;
1188 
			sigaddset(&set, SIGCHLD);
1189 
			sigprocmask(SIG_UNBLOCK, &set, NULL);
1187 
			signal(SIGCHLD, sigchld);
 1190 
			signal(SIGCHLD, sigchld);
1188 
			close(STDOUT_FILENO);
 1191 
			close(STDOUT_FILENO);
1189 
			dup(p[1]);
 1192 
			dup(p[1]);

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