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	st-externalpipe-signal-0.8.2.diff (1705B)
	---
	1 From df32a82e8a889629ed406ce468f24c35da7e9a03 Mon Sep 17 00:00:00 2001
	2 From: Miles Alan <[email protected]>
	3 Date: Sun, 11 Aug 2019 21:33:55 -0500
	4 Subject: [PATCH] Add handler for SIGUSR1 signal to run an externalpipe c…
	5
	6 ---
	7 config.def.h \| 1 +
	8 st.c \| 14 ++++++++++++++
	9 st.h \| 1 +
	10 3 files changed, 16 insertions(+)
	11
	12 diff --git a/config.def.h b/config.def.h
	13 index 0e01717..96d1bdd 100644
	14 --- a/config.def.h
	15 +++ b/config.def.h
	16 @@ -1,3 +1,4 @@
	17 +char *externalpipe_sigusr1[] = {"/bin/sh", "-c", "externalpipe_buffer.s…
	18 /* See LICENSE file for copyright and license details. */
	19
	20 /*
	21 diff --git a/st.c b/st.c
	22 index b8e6077..48cae2e 100644
	23 --- a/st.c
	24 +++ b/st.c
	25 @@ -155,6 +155,7 @@ typedef struct {
	26 static void execsh(char , char *);
	27 static void stty(char **);
	28 static void sigchld(int);
	29 +static void sigusr1(int);
	30 static void ttywriteraw(const char *, size_t);
	31
	32 static void csidump(void);
	33 @@ -719,6 +720,13 @@ execsh(char cmd, char *args)
	34 _exit(1);
	35 }
	36
	37 +void
	38 +sigusr1(int unused)
	39 +{
	40 + static Arg a = {.v = externalpipe_sigusr1};
	41 + externalpipe(&a);
	42 +}
	43 +
	44 void
	45 sigchld(int a)
	46 {
	47 @@ -765,6 +773,12 @@ stty(char **args)
	48 int
	49 ttynew(char line, char cmd, char out, char *args)
	50 {
	51 + static struct sigaction sa;
	52 + sa.sa_handler = sigusr1;
	53 + sigemptyset(&sa.sa_mask);
	54 + sa.sa_flags = SA_RESTART;
	55 + sigaction(SIGUSR1, &sa, NULL);
	56 +
	57 int m, s;
	58
	59 if (out) {
	60 diff --git a/st.h b/st.h
	61 index 38c61c4..794b4ff 100644
	62 --- a/st.h
	63 +++ b/st.h
	64 @@ -111,6 +111,7 @@ void xrealloc(void , size_t);
	65 char xstrdup(char );
	66
	67 /* config.h globals */
	68 +extern char *externalpipe_sigusr1[];
	69 extern char *utmp;
	70 extern char *stty_args;
	71 extern char *vtiden;
	72 --
	73 2.19.2
	74