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terminal: trim memory after free:ing a terminal

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A terminal with lots of scrollback history will have allocated a lot
of memory.

Normally, free() wont return this memory to the OS, and we don't seem
to trigger the automatic trim calls.

This means the server would accumulate quite a lot of memory over
time, as terminals come and go.

Now we explicitly trim the memory every time a terminal is destroyed.
This commit is contained in:
Daniel Eklöf 2019-11-03 12:48:18 +01:00
parent ffadb5f020
commit 2195e2cf71
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GPG key ID: 5BBD4992C116573F
1 changed files with 3 additions and 0 deletions
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terminal.c
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@ -1,5 +1,6 @@
#include "terminal.h" #include "terminal.h"
#include <malloc.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <assert.h> #include <assert.h>
@ -796,6 +797,8 @@ term_destroy(struct terminal *term)
} }
free(term); free(term);
if (!malloc_trim(0))
LOG_WARN("failed to trim memory");
return ret; return ret;
} }