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Adds generation of SIGIO on X11 connection if O_ASYNC defined

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Nick Briggs
2025-12-11 09:18:40 -08:00
parent a074c4a3c0
commit 5432d73819
1 changed files with 10 additions and 0 deletions
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10
src/xinit.c
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@@ -17,6 +17,8 @@
#include <stdbool.h> // for false, bool, true
#include <stdio.h> // for NULL
#include <stdlib.h> // for exit
#include <fcntl.h> // for fcntl, O_ASYNC, ...
#include <unistd.h> // for getpid
#include "adr68k.h" // for NativeAligned4FromLAddr
#include "dbprint.h" // for TPRINT
#include "devif.h" // for (anonymous), MRegion, DspInterface, OUTER_S...
@@ -248,6 +250,7 @@ DspInterface X_init(DspInterface dsp, LispPTR lispbitmap, unsigned width_hint, u
unsigned depth_hint)
{
Screen *Xscreen;
int xfd;
dsp->identifier = Display_Name; /* This is a hack. The display name */
/* has to dealt with in a more */
@@ -360,5 +363,12 @@ DspInterface X_init(DspInterface dsp, LispPTR lispbitmap, unsigned width_hint, u
break;
}
XInitImage(&dsp->ScreenBitmap);
#if defined(O_ASYNC)
xfd = ConnectionNumber(dsp->display_id);
if (fcntl(xfd, F_SETOWN, getpid()) == -1) perror("X_init: fcntl F_SETOWN error");
if (fcntl(xfd, F_SETFL, fcntl(xfd, F_GETFL, 0) | O_ASYNC) == -1) perror("X_init: fcntl F_SETFL O_ASYNC error");
#endif
return (dsp);
}