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Merge branch 'pipe-status'

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This commit is contained in:
Devin J. Pohly 2021-05-10 11:49:16 -05:00
commit 41bb7a7679
1 changed files with 8 additions and 1 deletions
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dwl.c
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@ -1809,15 +1809,22 @@ run(char *startup_cmd)
setenv("WAYLAND_DISPLAY", socket, 1); setenv("WAYLAND_DISPLAY", socket, 1);
if (startup_cmd) { if (startup_cmd) {
int piperw[2];
pipe(piperw);
startup_pid = fork(); startup_pid = fork();
if (startup_pid < 0) if (startup_pid < 0)
EBARF("startup: fork"); EBARF("startup: fork");
if (startup_pid == 0) { if (startup_pid == 0) {
dup2(STDERR_FILENO, STDOUT_FILENO); dup2(piperw[0], STDIN_FILENO);
close(piperw[1]);
execl("/bin/sh", "/bin/sh", "-c", startup_cmd, NULL); execl("/bin/sh", "/bin/sh", "-c", startup_cmd, NULL);
EBARF("startup: execl"); EBARF("startup: execl");
} }
dup2(piperw[1], STDOUT_FILENO);
close(piperw[0]);
} }
/* If nobody is reading the status output, don't terminate */
signal(SIGPIPE, SIG_IGN);
/* Run the Wayland event loop. This does not return until you exit the /* Run the Wayland event loop. This does not return until you exit the
* compositor. Starting the backend rigged up all of the necessary event * compositor. Starting the backend rigged up all of the necessary event