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#ifdef __linux__
static void disable_oom_killer();
#include <fcntl.h>
#include <linux/oom.h>
void
disable_oom_killer()
{
FILE *f;
const char oomfile[] = "/proc/self/oom_score_adj";
if (!(f = fopen(oomfile, "w"))) {
if (errno == ENOENT)
return;
die("slock: fopen %s: %s\n", oomfile, strerror(errno));
}
fprintf(f, "%d", OOM_SCORE_ADJ_MIN);
if (fclose(f)) {
if (errno == EACCES)
die("slock: unable to disable OOM killer. "
"Make sure to suid or sgid slock.\n");
else
die("slock: fclose %s: %s\n", oomfile, strerror(errno));
}
}
#endif
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