shithub: pplay

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write to file without interrupting main thread

--- a/cmd.c

+++ b/cmd.c

@@ -392,7 +392,7 @@

 static int

 writeto(char *arg)

 {

-	int r, fd;

+	int fd;

 	if(dot.to - dot.from == 0){

 		werrstr("writeto: dot isn't a range");

@@ -402,9 +402,12 @@

 		werrstr("writeto: %r");

 		return -1;

 	}

-	r = writebuf(fd);

+	if(procrfork(wproc, (int*)fd, mainstacksize, RFFDG) < 0){

+		fprint(2, "procrfork: %r\n");

+		return -1;

+	}

 	close(fd);

-	return r;

+	return 0;

 }

 int

--- a/pplay.man

+++ b/pplay.man

@@ -263,6 +263,8 @@

 .PP

 Mousing, in particular for panning, can be uncomfortable or annoying.

 .PP

+There are no safeguards against races when writing to file.

+.PP

 The data structure implementation underlying the editing commands

 is, despite much effort to the contrary, still prone to off-by-ones

 and other bugs.