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Merge pull request #160 from Humm42/closepipes

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-s: close unused fds
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Devin J. Pohly 2022-02-15 14:04:25 -06:00 committed by GitHub
parent bda7b31174 ebfefa84ba
commit a15cb1e20e
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1 changed files with 2 additions and 0 deletions
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dwl.c
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@ -1827,11 +1827,13 @@ run(char *startup_cmd)
EBARF("startup: fork"); EBARF("startup: fork");
if (startup_pid == 0) { if (startup_pid == 0) {
dup2(piperw[0], STDIN_FILENO); dup2(piperw[0], STDIN_FILENO);
close(piperw[0]);
close(piperw[1]); 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); dup2(piperw[1], STDOUT_FILENO);
close(piperw[1]);
close(piperw[0]); close(piperw[0]);
} }
/* If nobody is reading the status output, don't terminate */ /* If nobody is reading the status output, don't terminate */