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repo: music
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commit 774d8465e0fef1054ec49a2f835b171b14ded506
Author: epoch <epoch@enzo.thebackupbox.net>
Date:   Sat Jan 16 02:33:07 2021 -0600

    put a SIGTERM handler in qargs to send a TERM to child process.

diff --git a/qargs.c b/qargs.c

--- a/qargs.c
+++ b/qargs.c
@@ -11,19 +11,30 @@
 int pid;//THE child process
 int direction;

+#define STOP_WITH SIGTERM
+
 #define DIR_NEXT 1
+#define DIR_STOP 0
 #define DIR_PREV -1

+char exit_please=0;
+
 void sig_handler(int sig) {
   fprintf(stderr,"got a signal. %d\n",sig);
   switch(sig) {
+    case SIGTERM:
+      if(pid > 0) kill(pid,STOP_WITH);
+      else fprintf(stderr,"shit. pid is %d\n",pid);
+      direction=DIR_STOP;
+      exit_please=1;
+      break;
     case SIGUSR1:
-      if(pid > 0) kill(pid,9);
+      if(pid > 0) kill(pid,STOP_WITH);
       else fprintf(stderr,"shit. pid is %d\n",pid);
       direction=DIR_PREV;
       break;
     case SIGUSR2:
-      if(pid > 0) kill(pid,9);
+      if(pid > 0) kill(pid,STOP_WITH);
       else fprintf(stderr,"shit. pid is %d\n",pid);
       direction=DIR_NEXT;
       break;
@@ -59,10 +70,11 @@ int main(int argc,char *argv[]) {
   FILE *fp;
   printf("%d\n",getpid());
   fflush(stdout);
-  while(1) {//I should come up with a better condition for the main loop
+  while(!exit_please) {//I should come up with a better condition for the main loop
     signal(SIGUSR1,sig_handler);
     signal(SIGUSR2,sig_handler);
     signal(SIGHUP,sig_handler);
+    signal(SIGTERM,sig_handler);
     if(index == lines_read) {
       if(fgets(line[index % LINES],sizeof(line[index % LINES])-1,stdin) == 0) {
         fprintf(stderr,"Reached EOF on stdin.\n");
@@ -92,6 +104,7 @@ int main(int argc,char *argv[]) {
         }
         signal(SIGUSR1,SIG_IGN);
         signal(SIGUSR2,SIG_IGN);
+        signal(SIGTERM,SIG_DFL);
         execlp(argv[1],argv[1],line[index % LINES],NULL);
 	perror("execlp");
         return -2;//child failed to exec. tell it to fuck off.

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